Special bottom plate drainer for rubber membrane sealing type gas holder

Abstract

The invention discloses a special bottom plate drainer for a rubber membrane sealing type gas holder, which comprises a drainer body arranged above the liquid level of a water accumulation pool; one end of the inlet pipe is connected with the drainer body, and the other end of the inlet pipe is connected with a water outlet of a bottom plate of the gas holder; one end of the U-shaped pipe is connected with the drainer body; and the condensed water discharge port is used for discharging condensed water into the water accumulation pool, and the condensed water discharge port is connected with the other end of the U-shaped pipe. The drainer body is lifted to the position above the liquid level of the water accumulation pool from the bottom of the water accumulation pool, condensate water on the bottom plate is safely and efficiently drained, meanwhile, it is ensured that the drainer body cannot be soaked in the condensate water, and the service life of the drainer body is prolonged. The drainer body is lifted from the bottom of the water accumulation pool to the position above the liquid level of the water accumulation pool, so that people do not need to enter the water accumulation pool when the drainer body is cleaned, and the cleaning efficiency is greatly improved.

Description

Technical Field

[0001] The present invention relates to the technical field of drainers, in particular to a rubber membrane sealed bottom plate drainer special for gas cabinets. Background Art

[0002] Rubber membrane-sealed gasholders are widely used gas storage devices in the steel and metallurgical industries. During normal operation, these gasholders generate a large amount of condensed water inside the piston. Conventional technology drains this condensed water through drain holes distributed uniformly around the outer ring of the baseplate, where it flows into a drainer installed in a water reservoir outside the gasholder. However, conventional drainers have the following drawbacks:

[0003] 1. The drainer body is located low and close to the bottom of the water pool. When the drainer is draining normally, the drainer body is immersed in condensate. Gas condensate is highly corrosive. If the drainer body is immersed in corrosive condensate for a long time, it is prone to corrosion and perforation, shortening the drainer life and leading to the risk of gas leakage.

[0004] 2. The drainer body is located low and close to the bottom of the water pool, which causes great inconvenience to the drainer cleaning work. The cleaned sludge is all deposited around the drainer body, shortening the life of the drainer and increasing the difficulty of cleaning. Personnel need to enter the pool to operate, which is inefficient and poses a safety hazard.

[0005] Therefore, there is an urgent need for a rubber membrane sealed gas cabinet special bottom plate drainer to solve the above problems. Summary of the Invention

[0006] In order to overcome the above-mentioned shortcomings of the prior art, the present invention provides a rubber membrane sealed gas cabinet dedicated bottom plate drainer.

[0007] The technical solution adopted by the present invention to solve the technical problem is: a rubber membrane sealed gas cabinet special bottom plate drainer, comprising:

[0008] The drainer body is set above the liquid level of the water pool;

[0009] Inlet pipe, one end of the inlet pipe is connected to the drain body, and the other end of the inlet pipe is connected to the drain port on the bottom plate of the gas tank;

[0010] A U-shaped tube, one end of which is connected to the drainer body;

[0011] The condensed water outlet is used to discharge the condensed water into the water pool, and the condensed water outlet is connected to the other end of the U-shaped pipe.

[0012] As a further improvement of the present invention, the U-shaped tube is detachably connected to the drain body. By detachably connecting the U-shaped tube to the drain body, the U-shaped tube can be replaced separately, thereby reducing overall maintenance costs.

[0013] As a further improvement of the present invention, the U-shaped tube is detachably connected to the drain body via a flange, which supports quick disassembly and facilitates quick replacement and maintenance of the U-shaped tube.

[0014] As a further improvement of the present invention, the U-shaped tube is made of a corrosion-resistant material, so as to improve the corrosion resistance of the U-shaped tube.

[0015] As a further improvement of the present invention, the U-shaped tube is made of stainless steel, which can improve the corrosion resistance.

[0016] As a further improvement of the present invention, the lower half of the U-shaped tube is located below the liquid level in the water reservoir. Because the U-shaped tube is detachably connected to the drainer body, even if the U-shaped tube corrodes and perforates, it can be quickly replaced without the need for hot work.

[0017] As a further improvement of the present invention: the drainer body and the inlet pipe are detachably connected.

[0018] As a further improvement of the present invention: the drainer body is detachably connected to the inlet pipe via a flange.

[0019] As a further improvement of the present invention, the inlet pipe is equipped with an inlet gate valve for cutting off the gas. The inlet gate valve is installed on the inlet pipe, and the inlet gate valve can cut off the gas when the drainer is under maintenance.

[0020] As a further improvement of the present invention: the drainer body is provided with a hand hole for cleaning dirt.

[0021] As a further improvement of the present invention, the drainer body is provided with a drain valve. By providing a hand hole for cleaning dirt and a drain valve on the side of the drainer body, sludge cleaning is facilitated, and the provision of the hand hole for cleaning dirt and the drain valve further improves the cleaning efficiency.

[0022] As a further improvement of the present invention, the bottom of the drain body is provided with an inclined flow-guiding structure, and the drain valve is connected to the lower portion of the inclined flow-guiding structure. By providing the inclined flow-guiding structure at the bottom of the drain body and connecting the drain valve to the lower portion of the inclined flow-guiding structure, sludge is easily discharged through the drain valve.

[0023] As a further improvement of the present invention: the height of the U-shaped tube is calculated using the following formula:

[0024] Formula 1: H ≥ H0

[0025] Formula 2: H0 = P 煤气 ×102mm;

[0026] in:

[0027] H is the height of the U-shaped tube (unit: mm);

[0028] H0 is the liquid seal height of the U-tube (unit: mm);

[0029] P 煤气 is the gas pressure (unit: kPa).

[0030] As a further improvement of the present invention: the height of the U-shaped tube is calculated using the following formula:

[0031] Formula 1: H ≥ H0

[0032] Formula 3:

[0033] in:

[0034] H is the height of the U-shaped tube (unit: m);

[0035] H0 is the liquid seal height of the U-tube (unit: m);

[0036] P 煤气 is the gas pressure (unit: Pa);

[0037] ρ 液 is the density of the liquid seal (water is 1000kg / m 3 );

[0038] g is the acceleration due to gravity (9.8 m / s 2 ).

[0039] As a further improvement of the present invention: the U-shaped tube is made of 316L stainless steel, which has corrosion resistance; the drainer body is made of carbon steel lined with plastic material, which can effectively prevent acid and alkali corrosion and extend the service life.

[0040] Compared with the prior art, the present invention has the following beneficial effects:

[0041] 1. The present invention elevates the drainer body from the bottom of the sump to above the liquid level of the sump. This ensures that the drainer body will not be immersed in the condensed water while safely and efficiently draining the condensed water from the bottom plate, thereby extending the life of the drainer body.

[0042] 2. The present invention elevates the drainer body from the bottom of the water pool to above the liquid level of the water pool, so that when cleaning the drainer body, personnel do not need to enter the water pool, which greatly improves the cleaning efficiency.

[0043] 3. The present invention provides a cleaning hand hole and a drain valve on the side of the drain body to facilitate sludge cleaning. The operator does not need to enter the water pool and can complete the cleaning through the cleaning hand hole and the drain valve, thereby achieving efficient cleaning.

[0044] 4. The present invention uses a U-shaped tube to detachably connect the drainer body, and the U-shaped tube can be replaced separately, reducing overall maintenance costs. By providing an inclined guide structure at the bottom of the drainer body and connecting the sewage valve to the lower part of the inclined guide structure, sludge can be discharged easily through the sewage valve. By arranging the inlet gate valve between the inlet pipe and the bottom plate drain port, the inlet gate valve can cut off the gas during maintenance, avoiding operational risks and ensuring safety and reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] Figure 1 It is a structural schematic diagram of the present invention.

[0046] Figure numerals: 1-inlet pipe, 2-inlet gate valve, 3-drainer body, 4-hand hole for cleaning, 5-drain valve, 6-U-shaped pipe, 7-condensate outlet. DETAILED DESCRIPTION

[0047] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0048] It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being “connected to” another element, it may be directly connected to the other element or indirectly connected to the other element.

[0049] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention.

[0050] In addition, the terms "first" and "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "plurality" means two or more, unless otherwise clearly and specifically defined. Moreover, the terms "comprises", "includes" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device that includes a series of elements includes not only those elements, but also other elements that are not explicitly listed, or also includes elements that are inherent to such a process, method, article or device.

[0051] The present invention will now be further described with reference to the accompanying drawings and embodiments:

[0052] In one embodiment of the present invention, a rubber membrane sealed gas cabinet dedicated bottom plate drainer is provided, comprising:

[0053] The drainer body 3 is arranged above the liquid level of the water pool;

[0054] Inlet pipe 1, one end of the inlet pipe 1 is connected to the drain body 3, and the other end of the inlet pipe 1 is connected to the drain port on the bottom plate of the gas tank;

[0055] A U-shaped tube 6, one end of which is connected to the drain body 3;

[0056] The condensed water outlet 7 is used to discharge the condensed water into the water pool, and the condensed water outlet 7 is connected to the other end of the U-shaped tube 6.

[0057] In the above example, by raising the position of the drainer body 3 from the bottom of the water pool to above the liquid level of the water pool, while safely and efficiently draining the condensed water from the bottom plate, it ensures that the drainer body 3 will not be immersed in the condensed water, thereby extending the life of the drainer body 3.

[0058] By raising the position of the drainer body 3 from the bottom of the water pool to above the liquid level of the water pool, personnel do not need to enter the water pool when cleaning the drainer body 3, which greatly improves the cleaning efficiency.

[0059] Furthermore, the U-shaped tube 6 is detachably connected to the drainer body 3 .

[0060] Since the U-shaped tube 6 is detachably connected to the drainer body 3 , the U-shaped tube 6 can be replaced separately, thereby reducing the overall maintenance cost.

[0061] Furthermore, the U-shaped tube 6 is detachably connected to the drainer body 3 via a flange.

[0062] The U-shaped tube 6 is detachably connected to the drainer body 3 via a flange, which supports quick disassembly and facilitates quick replacement and maintenance of the U-shaped tube 6 .

[0063] Furthermore, the U-shaped tube 6 is made of corrosion-resistant material. By making the U-shaped tube 6 of corrosion-resistant material, the corrosion resistance of the U-shaped tube 6 is improved.

[0064] Furthermore, the U-shaped tube 6 is made of stainless steel or a polymer composite material.

[0065] By using stainless steel or a polymer composite material for the U-shaped tube 6 , the corrosion resistance can be improved.

[0066] Furthermore, the lower half of the U-shaped tube 6 is located below the liquid level of the water pool.

[0067] The lower half of the U-shaped tube 6 is below the liquid level of the water pool. Since the U-shaped tube 6 is detachably connected to the drainer body 3, even if the U-shaped tube 6 is corroded and perforated, it can be quickly replaced without the need for fire.

[0068] Furthermore, the U-shaped tube is made of 316L stainless steel and has corrosion resistance.

[0069] Furthermore, the drainer body is made of carbon steel lined with plastic material, which can effectively prevent acid and alkali corrosion and extend the service life.

[0070] Furthermore, the drainer body 3 and the inlet pipe 1 are detachably connected.

[0071] Furthermore, the drainer body 3 is detachably connected to the inlet pipe 1 via a flange.

[0072] Furthermore, the inlet pipe 1 is equipped with an inlet gate valve 2 for cutting off the gas.

[0073] An inlet gate valve 2 is installed through the inlet pipe 1. The inlet gate valve 2 can cut off the gas when the drainer is being repaired, thereby avoiding operational risks and being safe and reliable.

[0074] Furthermore, the drainer body 3 is provided with a hand hole 4 for cleaning dirt.

[0075] Furthermore, the drainer body 3 is provided with a drain valve 5 .

[0076] By providing a hand hole 4 for cleaning dirt and a drain valve 5 on the side of the drain body 3, sludge cleaning is facilitated, and the provision of the hand hole 4 for cleaning dirt and the drain valve 5 further improves the cleaning efficiency.

[0077] Furthermore, an inclined flow-guiding structure is provided at the bottom of the drainer body 3 , and the sewage valve 5 is connected to the lower part of the inclined flow-guiding structure.

[0078] By providing an inclined flow-guiding structure at the bottom of the drainer body 3 and connecting the sewage valve 5 to the lower part of the inclined flow-guiding structure, the sludge can be discharged easily through the sewage valve 5 .

[0079] The present invention prevents the drainer body 3 from being immersed in condensed water by installing it above the liquid level of the water pool, thereby keeping the drainer body 3 out of the corrosive environment and extending its service life; at the same time, the U-shaped tube 6 can be replaced separately, reducing the overall maintenance cost; by arranging the hand hole 4 for cleaning and the drain valve 5 on the side of the drainer body 3, sludge cleaning is facilitated, and the operator does not need to enter the water pool, and can complete the cleaning through the hand hole 4 and the drain valve 5, thereby achieving efficient cleaning; by arranging the inlet gate valve 2 between the inlet pipe 1 and the bottom plate drain port, the inlet gate valve 2 can cut off the gas during maintenance, avoiding operational risks and ensuring safety and reliability; the U-shaped tube 6 and the drainer body 3 are detachably connected by a flange, and the flange connection design supports quick disassembly, has a flexible structure, and can adapt to different working conditions.

[0080] The height of the U-shaped tube 6 is determined by calculation based on the internal pressure of the gas tank to ensure the liquid sealing effect.

[0081] In one embodiment, the height of the U-shaped tube is calculated using the following formula:

[0082] Formula 1: H ≥ H0

[0083] Formula 2: H0 = P 煤气 ×102mm

[0084] in:

[0085] H is the height of the U-shaped tube (unit: mm);

[0086] H0 is the liquid seal height of the U-tube (unit: mm);

[0087] P 煤气 is the gas pressure (unit: kPa).

[0088] In a specific example, when the gas pressure P 煤气 =5kPa, H0=P 煤气 ×102mm=510mm, then the height of the U-shaped tube must be above 510mm.

[0089] In another embodiment, the height of the U-shaped tube is calculated using the following formula:

[0090] Formula 1: H ≥ H0

[0091] Formula 3:

[0092] in:

[0093] H is the height of the U-shaped tube (unit: m);

[0094] H0 is the liquid seal height of the U-tube (unit: m);

[0095] P 煤气 is the gas pressure (unit: Pa);

[0096] ρ 液 is the density of the liquid seal (water is 1000kg / m 3 );

[0097] g is the acceleration due to gravity (9.8 m / s 2 ).

[0098] The present invention provides a rubber membrane sealed gas tank special bottom plate drainer. By raising the position of the drainer body and optimizing the pipeline connection method, the drainer body is prevented from contacting corrosive condensate water, thereby extending the service life, improving the cleaning efficiency, reducing maintenance costs, ensuring the safety and reliability of the drainage system, and reducing the risk of gas leakage. It solves the problems of short service life and low cleaning efficiency caused by long-term immersion of drainers in corrosive condensate water in the prior art, and is suitable for the condensate discharge of gas storage systems such as blast furnace gas and coke oven gas.

[0099] Application examples:

[0100] A steel plant 200000m 3 The rubber membrane sealed gas cabinet adopts the drainer of the present invention. The gas pressure is 5kPa. The installation method of the drainer is as follows:

[0101] Fix the drain body to the side wall of the water tank or the bracket, making sure that its bottom is at least 200mm above the liquid level;

[0102] Weld the inlet pipe to the drain port on the bottom plate of the gas tank and install the inlet gate valve;

[0103] The drainer body is detachably connected to the U-shaped pipe through a flange, and the height of the U-shaped pipe is H=P×102(mm)=5×102(mm)=510mm.

[0104] Among them, the U-shaped tube is made of 316L stainless steel, which has corrosion resistance; the drainer body is made of carbon steel lined with plastic material, which can effectively prevent acid and alkali corrosion and extend its service life.

[0105] Cleaning operation of the drainer: close the inlet gate valve, open the cleaning hand hole, and use tools to remove the internal sludge; open the drain valve to drain the remaining sewage into the collection device;

[0106] Maintenance and replacement of drainers: If the U-shaped pipe is corroded, it can be replaced by removing the flange bolts without the need for hot work or draining the water tank;

[0107] Cleaning cycle: extended from once a month to once a quarter, reducing maintenance time by 60%.

[0108] After adopting the drainer of the present invention, the service life of the drainer is increased from 2 years to more than 8 years, the cleaning efficiency is improved by 70%, and no gas leakage accidents caused by corrosion occur, with significant economic benefits.

[0109] Working principle of the present invention:

[0110] The drain body is installed above the liquid level of the water pool to prevent it from being immersed in condensed water, which keeps the drain body out of the corrosive environment and extends its service life. At the same time, the U-shaped tube can be replaced separately, reducing overall maintenance costs.

[0111] The hand hole for cleaning and the drain valve are set on the side of the drain body to facilitate sludge cleaning. The operator does not need to enter the water pool, and can complete the cleaning through the hand hole for cleaning and the drain valve, achieving efficient cleaning.

[0112] The inlet gate valve is installed between the inlet pipe and the bottom plate drain port. The inlet gate valve can cut off the gas during maintenance, avoiding operational risks and ensuring safety and reliability.

[0113] The U-shaped pipe and the drainer body are detachably connected through a flange. The flange connection design supports quick disassembly and has a flexible structure to adapt to different working conditions.

[0114] The main functions of the present invention are:

[0115] By elevating the drainer body from the bottom of the sump to above the liquid level, the present invention safely and efficiently drains condensate from the bottom plate while ensuring that the drainer body is not immersed in the condensate, thus extending the drainer body's lifespan. By elevating the drainer body from the bottom of the sump to above the liquid level, personnel do not need to enter the sump when cleaning the drainer body, significantly improving cleaning efficiency. A handhole and a drain valve are provided on the side of the drainer body to facilitate sludge removal, eliminating the need for operators to enter the sump; cleaning can be completed through the handhole and drain valve, achieving efficient cleaning. A U-shaped tube is detachably connected to the drainer body, allowing the U-shaped tube to be replaced separately, reducing overall maintenance costs. An inclined diversion structure is provided at the bottom of the drainer body, and the drain valve is connected to the lower portion of the inclined diversion structure, facilitating sludge discharge through the drain valve. An inlet gate valve is positioned between the inlet pipe and the bottom plate drain port, allowing it to shut off gas during maintenance, eliminating operational risks and ensuring safety and reliability.

[0116] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some or all of the technical features therein. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and description of the present invention.

Claims

1. A rubber membrane sealed gas cabinet dedicated bottom plate drainer, characterized by: include: The drainer body (3) is arranged above the liquid level of the water pool; An inlet pipe (1), one end of which is connected to the drainer body (3), and the other end of which is connected to the drain port on the bottom plate of the gas tank; A U-shaped tube (6), one end of which is connected to the drainer body (3); The condensed water outlet (7) is used to discharge the condensed water into the water pool, and the condensed water outlet (7) is connected to the other end of the U-shaped tube (6).

2. The rubber membrane sealed gas cabinet dedicated bottom plate drainer according to claim 1, characterized in that: The U-shaped tube (6) is detachably connected to the drainer body (3).

3. The rubber membrane sealed gas cabinet dedicated bottom plate drainer according to claim 1, characterized in that: The U-shaped tube (6) is made of corrosion-resistant material.

4. The rubber membrane sealed gas cabinet dedicated bottom plate drainer according to claim 1, characterized in that: The drainer body (3) and the inlet pipe (1) are detachably connected.

5. The rubber membrane sealed gas cabinet dedicated bottom plate drainer according to claim 1, characterized in that: The inlet pipe (1) is equipped with an inlet gate valve (2) for cutting off the coal gas.

6. The rubber membrane sealed gas cabinet dedicated bottom plate drainer according to claim 1, characterized in that: The drainer body (3) is provided with a hand hole (4) for cleaning dirt and a drain valve (5).

7. The rubber membrane sealed gas cabinet dedicated bottom plate drainer according to claim 6, characterized in that: The bottom of the drainer body (3) is provided with an inclined flow-guiding structure, and the sewage valve (5) is connected to the lower part of the inclined flow-guiding structure.

8. The rubber membrane sealed gas cabinet dedicated bottom plate drainer according to claim 1, characterized in that: The height of the U-shaped tube is calculated using the following formula: Formula 1: H ≥ H0 Formula 2: H0 = P 煤气 ×102mm; in: H is the height of the U-shaped tube (unit: mm); H0 is the liquid seal height of the U-tube (unit: mm); P 煤气 is the gas pressure (unit: kPa).

9. The rubber membrane sealed gas cabinet dedicated bottom plate drainer according to claim 1, characterized in that: The height of the U-shaped tube is calculated using the following formula: Formula 1: H ≥ H0 Formula 3: in: H is the height of the U-shaped tube (unit: m); H0 is the liquid seal height of the U-tube (unit: m); P 煤气 is the gas pressure (unit: Pa); ρ 液 is the density of the liquid seal (water is 1000kg / m 3 ); g is the acceleration due to gravity (9.8 m / s 2 ).

10. The rubber membrane sealed gas cabinet dedicated bottom plate drainer according to claim 1, characterized in that: The U-shaped tube (6) is made of 316L stainless steel, and the drainer body (3) is made of carbon steel lined with plastic material.

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