Hand hole combination device for drainage and desilting of gas drainer

Abstract

The utility model discloses a hand hole combination device for drainage and desilting of a gas drainer, which comprises a desilting hand hole base, a desilting hand hole cover plate, a first drainage part and a plugging part, and the desilting hand hole cover plate is detachably connected to the top of the desilting hand hole base, so that the desilting hand hole cover plate can be quickly opened for operation when desilting operation is needed; gas and liquid in the gas drainer cannot leak from the hand hole through the sealing part, the sealing performance and safety of the system are guaranteed, and the first drainage part is fixedly connected to the dredging hand hole cover plate, so that water can be smoothly discharged out of the gas drainer through the first drainage part in the drainage process. The function of discharging water and sediments in the gas drainer is achieved, the phenomenon that communicating pipes of all chambers of the gas drainer are blocked by the sediments is avoided, and normal operation of gas conveying is kept. The leakage risk caused by too many holes is reduced, the overall sealing performance and reliability of the system are improved, and the problems that a traditional gas drainer is high in leakage risk, inconvenient to dredge, difficult to maintain and the like are effectively solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of coal gas drainer, in particular to a hand hole combination device for drainage and dredging of coal gas drainer. BACKGROUND

[0002] The hot blast stove of the blast furnace plays a role of providing hot blast for the blast furnace in the production process of the blast furnace. The blast furnace gas is burned in the combustion chamber of the hot blast stove by a certain proportion of blast furnace gas and air, and the heat is accumulated in the checker bricks in the regenerative chamber. The cold blast is heated to a certain temperature by the regenerative chamber of the hot blast stove and then supplied to the blast furnace. The blast furnace gas is transported to the hot blast stove through the gas pipeline. The main role of the coal gas drainer in the process of coal gas transportation is to remove water in the coal gas pipeline to prevent coal gas leakage and ensure the safe operation of the coal gas pipeline system. The coal gas drainer uses the water seal principle to seal the coal gas by height, effectively prevents the leakage of coal gas, and prevents the occurrence of serious accidents such as ignition, explosion, and poisoning of coal gas. Water can be discharged from the pipeline in time to avoid the influence of water on coal gas transportation equipment and coal gas combustion equipment, and to ensure the normal operation of these equipment. The coal gas drainer needs to be dredged regularly in daily production. During the dredging process, the water in each chamber is discharged through the drainage pipe and the drainage gate at the bottom of the coal gas drainer, and then the cleaning hand hole is opened to clean the dirt inside each chamber. CONTENT OF THE UTILITY MODEL

[0003] In view of the defects in the prior art, the present application provides a hand hole combination device for drainage and dredging of a coal gas drainer to solve the problem of high leakage risk of the drainage pipe and the cleaning hand hole of the existing coal gas drainer in the prior art.

[0004] The above-mentioned purpose of the present application is mainly realized by the following technical scheme:

[0005] A hand hole combination device for drainage and dredging of a coal gas drainer, the hand hole combination device comprising:

[0006] A dredging hand hole base;

[0007] A dredging hand hole cover plate, which is detachably connected to the top of the dredging hand hole base, and a sealing part is arranged between the dredging hand hole cover plate and the dredging hand hole base, and a first operation hole is formed in the dredging hand hole cover plate;

[0008] A first drainage part, one end of which extends into the first operation hole, and the other end extends to the upper part of the dredging hand hole cover plate, and the first drainage part is fixedly connected to the dredging hand hole cover plate;

[0009] A blocking part is detachably arranged at one end of the first drainage part away from the dredging manhole cover plate, for blocking the communication state in the first drainage part at one end of the first drainage part.

[0010] In an optional embodiment, the manhole combination device further comprises a connecting part connected to the outer wall of the first drainage part, one end of the connecting part being connected to the blocking part.

[0011] In an optional embodiment, the connecting part is flexible and in the shape of a bundle.

[0012] In an optional embodiment, a rotating part is arranged between the connecting part and the blocking part.

[0013] In an optional embodiment, the rotating part comprises a connecting plate fixedly connected to the connecting part, and a T-shaped end stop shaft movably penetrating through the connecting plate, one end of the end stop shaft being fixedly connected to the blocking part, so that the end stop shaft and the blocking part can rotate on the connecting plate.

[0014] In an optional embodiment, the end stop shaft is in the shape of T.

[0015] In an optional embodiment, a connecting chain is arranged on the connecting plate and connected to the connecting part.

[0016] In an optional embodiment, the blocking part is threadedly connected to the first drainage part.

[0017] In an optional embodiment, the dredging manhole base and the dredging manhole cover plate are fixedly connected by a plurality of spaced-apart bolt parts.

[0018] In an optional embodiment, a control valve is arranged on the first drainage part.

[0019] Compared with the prior art, the manhole combination device has the following advantages:

[0020] The manhole combination device in the present application is used for the drainage dredging and related operations of a coal gas drainage device, and comprises a dredging manhole base, a dredging manhole cover plate, a first drainage part, and a blocking part. The dredging manhole cover plate is detachably connected to the top of the dredging manhole base, and a sealing part is arranged between the dredging manhole cover plate and the dredging manhole base. A first operation hole is arranged on the dredging manhole cover plate. One end of the first drainage part extends into the first operation hole, and the other end extends to the upper part of the dredging manhole cover plate. The first drainage part is fixedly connected to the dredging manhole cover plate. The blocking part is detachably arranged at one end of the first drainage part away from the dredging manhole cover plate, for blocking the communication state in the first drainage part at one end of the first drainage part.

[0021] The dredging hand hole base is fixedly installed on the gas drainer, serving as a basic support part of the entire combined device, and the dredging hand hole cover plate is detachably connected to the top of the dredging hand hole base, facilitating quick opening for operation when dredging operation is needed.

[0022] The sealing part is arranged between the dredging hand hole base and the dredging hand hole cover plate, ensuring that the gas and liquid in the gas drainer will not leak from the hand hole during normal operation, thereby guaranteeing the sealing property and safety of the system. The first drainage part is fixedly connected to the dredging hand hole cover plate, so that water can be smoothly drained out of the gas drainer through the first drainage part during the drainage process. The water and sediment in the gas drainer are discharged, avoiding the blockage of the communication pipes of each chamber of the gas drainer by the sediment, and maintaining the normal operation of the gas conveying. The leakage risk caused by too many openings is reduced, the overall sealing property and reliability of the system are improved, and the problems of high leakage risk, inconvenient dredging and difficult maintenance of the traditional gas drainer are effectively solved. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0024] Figure 1 The structure schematic diagram of the hand hole combined device provided by the embodiment of the present application is shown in the figure.

[0025] Figure 2 The structure schematic diagram of the hand hole combined device provided by the embodiment of the present application is shown in the figure.

[0026] Figure 3 The structure schematic diagram of the rotating part provided by the embodiment of the present application is shown in the figure.

[0027] In the figure: 101, dredging hand hole base; 102, dredging hand hole cover plate; 103, sealing part; 104, first drainage part; 201, plugging part; 202, connecting piece; 203, bolt piece; 204, control valve; 301, rotating part; 302, connecting plate; 303, end stop shaft; 304, connecting chain. DETAILED DESCRIPTION

[0028] The utility model is further described below in combination with the drawings and specific embodiments. It should be noted that the description of these embodiments is used to help understand the utility model and does not constitute a limitation on the utility model. The specific structure and functional details disclosed in this paper are only used to describe the example embodiments of the utility model. However, the utility model can be embodied in many alternative forms, and should not be understood as being limited in the embodiments described in this paper.

[0029] As Figure 1 , Figure 2 indicated, Figure 1 is a structural schematic view of a manhole combination device provided by the embodiment of the application, Figure 2 is a structural schematic view of a manhole combination device provided by the embodiment of the application; a manhole combination device for drainage and dredging of a gas drainer, the manhole combination device comprising a dredging manhole base 101, a dredging manhole cover plate 102, a first drainage part 104 and a plugging part 201, wherein:

[0030] As Figure 1 , Figure 2 indicated, the dredging manhole base 101 is the basic structure of the entire device and can be fixedly installed on the cylinder of the gas drainer. It is used to bear the dredging manhole cover plate 102 and provide stable support for the entire device. The structural strength and stability of the base ensure long-term reliable operation of the device.

[0031] As Figure 1 , Figure 2 indicated, the dredging manhole cover plate 102 is detachably connected to the top of the dredging manhole base 101, which facilitates quick opening of the cover plate when dredging operation is needed, and cleaning of the internal dirt. A sealing part 103 is arranged between the dredging manhole base 101 and the dredging manhole base 101, which ensures that the gas and liquid inside the gas drainer will not leak from the manhole during normal operation, ensuring the sealing and safety of the system. A first working hole is formed in the dredging manhole cover plate 102 for dredging operation and connection of the drainage pipe.

[0032] As Figure 1 , Figure 2 indicated, one end of the first drainage part 104 extends into the first working hole, and the other end extends to the upper part of the dredging manhole cover plate 102, and the first drainage part 104 is fixedly connected to the dredging manhole cover plate 102.

[0033] The first drainage part 104 is used to drain water inside the coal gas drainage device. One end of the first drainage part 104 extends into the first operation hole on the dredging manhole cover plate 102, and the other end extends to the upper part of the dredging manhole cover plate 102. The first drainage part 104 can be connected to the dredging manhole cover plate 102 by welding or other fixing methods to ensure its stability during operation.

[0034] As shown in Figure 1 , Figure 2 The blocking part 201 is detachably arranged at one end of the first drainage part 104 away from the dredging manhole cover plate 102, so as to block the communication state in the first drainage part 104 at one end of the first drainage part 104. The blocking part 201 is used to control the on-off of the drainage passage. The blocking part 201 is detachably arranged at one end of the first drainage part 104 away from the dredging manhole cover plate 102. When the drainage operation is needed for dredging, the blocking part 201 is removed, the passage in the first drainage part 104 is opened, and the water is drained; after the drainage is completed, the operator opens the dredging manhole cover plate 102 to perform the dredging operation. After the dredging is completed, the dredging manhole cover plate 102 is reinstalled, the sealing is ensured by the sealing part 103, the blocking part 201 is reinstalled, the communication state in the first drainage part 104 is blocked, and the coal gas is prevented from leaking from the drainage passage. The blocking part 201 can adopt threaded connection, flange connection or other reliable detachable structure to ensure the sealing and the convenience of operation during operation.

[0035] In the alternative embodiment, the manhole combination device in the present application is used for coal gas drainage device drainage dredging and related operations, and the operation principle of the manhole combination device is that the manhole combination device comprises a dredging manhole base 101, a dredging manhole cover plate 102, a first drainage part 104 and a blocking part 201. The dredging manhole cover plate 102 is detachably connected to the top of the dredging manhole base 101, and the sealing part 103 is arranged between the dredging manhole base 101 and the dredging manhole base 101. The first operation hole is formed in the dredging manhole cover plate 102. One end of the first drainage part 104 extends into the first operation hole, and the other end extends to the upper part of the dredging manhole cover plate 102. The first drainage part 104 is fixedly connected to the dredging manhole cover plate 102. The blocking part 201 is detachably arranged at one end of the first drainage part 104 away from the dredging manhole cover plate 102, so as to block the communication state in the first drainage part 104 at one end of the first drainage part 104.

[0036] The dredging hand hole base 101 is fixedly installed on the gas drainer as a basic supporting part of the entire combined device, and the dredging hand hole cover plate 102 is detachably connected to the top of the dredging hand hole base 101, so that the dredging hand hole cover plate 102 can be quickly opened for operation when dredging operation is needed.

[0037] The sealing part 103 is arranged between the dredging hand hole base 101 and the dredging hand hole cover plate 102, so that the gas and liquid in the gas drainer cannot leak from the hand hole during normal operation, and the sealing and safety of the system are ensured.

[0038] The first drainage part 104 is fixedly connected to the dredging hand hole cover plate 102, so that water can be smoothly discharged from the gas drainer through the first drainage part 104 during the drainage process, and the water discharge function of the gas drainer before dredging is realized.

[0039] When drainage operation is needed for dredging, the blocking part 201 is removed, the channel in the first drainage part 104 is opened, and water is discharged. After the drainage operation is completed, the operator opens the dredging hand hole cover plate 102 for dredging operation. After dredging is completed, the dredging hand hole cover plate 102 is reinstalled, the sealing is ensured through the sealing part 103, the blocking part 201 is reinstalled, the communication state in the first drainage part 104 is blocked, the leakage of gas from the drainage channel is prevented, the normal operation and safety of the gas drainer are ensured, the leakage risk caused by too many openings is reduced, the overall sealing and reliability of the system are improved, the overall structure of the device is simplified, and the installation and maintenance are more convenient and fast.

[0040] The dredging hand hole cover plate 102 is detachably arranged, so that the cover plate can be quickly opened for cleaning the internal dirt when dredging operation is needed. The convenience of dredging operation is greatly improved, and the maintenance time and labor intensity are reduced.

[0041] The sealing part 103 between the dredging hand hole base 101 and the dredging hand hole cover plate 102 ensures the sealing of the gas drainer during normal operation, prevents gas leakage, avoids the occurrence of malignant accidents such as fire, explosion and poisoning caused by leakage, and improves the safety of the system.

[0042] The fixed connection of the first drainage part 104 and the blocking function of the blocking part 201 further ensure the safety of the drainage process, prevent accidental leakage during the drainage process, and ensure the safe operation of the gas drainer.

[0043] The problems of high leakage risk, inconvenient dredging and difficult maintenance of the traditional gas drainer are effectively solved.

[0044] As Figure 1As shown, in an optional embodiment, the handhole assembly further includes a connector 202 connected to the outer wall of the first drainage section 104, one end of which is connected to the sealing section 201.

[0045] The connector 202 is mounted on the outer wall of the first drainage section 104. One end of the connector 202 is connected to the sealing section 201, providing additional fixation or guidance when the sealing section 201 is disassembled. This prevents the sealing section 201 from being lost or accidentally detached during operation, improving the reliability of the device.

[0046] like Figure 1 As shown, in an optional embodiment, the connector 202 is a flexible bundle, allowing the sealing portion 201 to move flexibly during operation while maintaining connection with the first drainage portion 104. The flexible bundle connector 202 can be made of a high-strength flexible material, such as steel wire rope or nylon fiber, providing both sufficient strength and operational flexibility.

[0047] like Figure 1 , Figure 3 As shown, Figure 3 This is a schematic diagram of the rotating part 301 provided in an embodiment of this application. In an optional embodiment, a rotating part 301 is provided between the connecting member 202 and the sealing part 201. In order to further optimize the ease of operation of the sealing part 201, a rotating part 301 can be provided between the connecting member 202 and the sealing part 201, so that the sealing part 201 can rotate more flexibly on the connecting member 202, making it easier for the sealing part 201 to adjust its angle and for the operator to operate more easily.

[0048] like Figure 1 , Figure 3 As shown, in an optional embodiment, the rotating part 301 includes a connecting plate 302 fixedly connected to the connecting member 202, and a stop shaft 303 with an end fixedly connected to the connecting plate 302. One end of the stop shaft 303 is fixedly connected to the blocking part 201, so that the stop shaft 303 together with the blocking part 201 can rotate on the connecting plate 302.

[0049] The rotating part 301 includes a connecting plate 302 fixedly connected to the connector 202, and a stop shaft 303 with an end cap that movably passes through the connecting plate 302. One end of the stop shaft 303 is fixedly connected to the sealing part 201, allowing the sealing part 201 to rotate on the connecting plate 302 via the stop shaft 303. This allows the sealing part 201 to be adjusted in angle during disassembly and installation, making it easier for operators to perform the operation.

[0050] like Figure 1 , Figure 3As shown in the optional embodiment, the belt end stop shaft 303 is T-shaped, which not only provides stable connection, but also prevents the sealing part 201 from accidentally falling off during rotation. The end of the belt end stop shaft 303 is provided with a stop block, which further enhances the fixing effect and ensures the flexibility of the rotation of the sealing part 201.

[0051] As shown in the optional embodiment, the connecting plate 302 is provided with a connecting chain 304 connected with the connecting piece 202. In order to further enhance the stability of the connecting piece 202 and the sealing part 201, the connecting plate 302 can be provided with a connecting chain 304 connected with the connecting piece 202. The connecting chain 304 can be made of high-strength chain or flexible rope, which can provide additional fixation when the sealing part 201 is disassembled, preventing loss or accidental movement. It is suitable for frequent operation scenes, ensuring that the sealing part 201 can be connected with the device in any case. Figure 1 Figure 3 As shown in the optional embodiment, the connecting plate 302 is provided with a connecting chain 304 connected with the connecting piece 202. In order to further enhance the stability of the connecting piece 202 and the sealing part 201, the connecting plate 302 can be provided with a connecting chain 304 connected with the connecting piece 202. The connecting chain 304 can be made of high-strength chain or flexible rope, which can provide additional fixation when the sealing part 201 is disassembled, preventing loss or accidental movement. It is suitable for frequent operation scenes, ensuring that the sealing part 201 can be connected with the device in any case.

[0052] In the optional embodiment, the sealing part 201 is threadedly connected with the first drainage part 104, which not only provides reliable sealing, but also facilitates quick disassembly and installation of the sealing part 201. The threaded connection can be designed as fine or coarse thread according to actual needs to meet different sealing and operation requirements. In addition, the threaded connection can be equipped with sealing gaskets to further enhance the sealing performance.

[0053] As shown in the optional embodiment, the dredging handhole base 101 and the dredging handhole cover plate 102 are fixedly connected by a plurality of spaced bolt members 203. Not only can it provide sufficient strength, but also can ensure the sealing between the dredging handhole base 101 and the dredging handhole cover plate 102. The bolt members 203 can be made of high-strength materials, and sealing gaskets can be provided at the bolt connection to prevent gas leakage. The spaced bolt members 203 can uniformly distribute stress to improve the overall stability of the device. Figure 1 Figure 2 As shown in the optional embodiment, the first drainage part 104 is provided with a control valve 204, which can be used to adjust the drainage flow during drainage to ensure smooth drainage. The control valve 204 can be designed as a manual valve, an electric valve or a pneumatic valve according to actual needs to meet different operation requirements. By setting the control valve 204, the operator can control the opening and closing of the drainage at any time when needed, further improving the flexibility and safety of the device.

[0054] As shown in the optional embodiment, the first drainage part 104 is provided with a control valve 204, which can be used to adjust the drainage flow during drainage to ensure smooth drainage. The control valve 204 can be designed as a manual valve, an electric valve or a pneumatic valve according to actual needs to meet different operation requirements. By setting the control valve 204, the operator can control the opening and closing of the drainage at any time when needed, further improving the flexibility and safety of the device. Figure 1 Figure 2 As shown in the optional embodiment, the first drainage part 104 is provided with a control valve 204, which can be used to adjust the drainage flow during drainage to ensure smooth drainage. The control valve 204 can be designed as a manual valve, an electric valve or a pneumatic valve according to actual needs to meet different operation requirements. By setting the control valve 204, the operator can control the opening and closing of the drainage at any time when needed, further improving the flexibility and safety of the device.

[0055] ​​​It should be understood that the terms first, second, etc. are used to distinguish descriptions, and cannot be understood as indicating or implying relative importance. Although the terms first, second, etc. can be used herein to describe various units, these units should not be limited by these terms. These terms are only used to distinguish one unit from another unit. For example, the first unit can be called the second unit, and similarly the second unit can be called the first unit, without departing from the scope of the example embodiments of the present application.

[0056] It should be understood that the term "and / or" herein only describes the association relationship of the associated objects, which means that there can be three relationships, for example, A and / or B, which means that there are three cases of A alone, B alone, and A and B together. The term "and" herein describes another association relationship of the associated objects, which means that there can be two relationships, for example, A and B, which means that there are two cases of A alone and A and B together. In addition, the character " / " herein generally indicates that the associated objects before and after are an "or" relationship.

[0057] It should be understood that in the description of the present application, the terms "upper", "vertical", "inner", "outer" and the like indicate the orientation or positional relationship of the disclosed product when it is commonly placed, or the orientation or positional relationship commonly understood by those skilled in the art, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0058] In the description of the present application, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set", "mount", "connect" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0059] The terms used herein are only used to describe specific embodiments and are not intended to limit the example embodiments of the present application. As used herein, the singular forms "a", "an" and "the" are intended to include plural forms, unless the context clearly indicates otherwise. It should also be understood that the terms "include", "including", "contain", and / or "containing" when used herein specify the existence of the declared features, integers, steps, operations, units and / or components, and do not exclude the existence or addition of one or more other features, quantities, steps, operations, units, components and / or combinations thereof.

[0060] In the following description, specific details are set forth to provide a thorough understanding of example embodiments. However, one having ordinary skill in the art will understand that the example embodiments can be practiced without these specific details. In other instances, well-known processes, structures and techniques have not been shown to avoid obscuring the subject matter of this description.

[0061] The above description is merely that of the specific embodiments and therefore is not to be taken in a limiting sense as the scope of the present application is defined by the language of the claims. It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not intended to be restrictive of subject matter claimed.

[0062] It is to be understood that the information disclosed in this Background section is only for the purpose of providing an overview of the background of the present disclosure, and as such it can include information that is not prior art to the present application.

Claims

1. A manhole assembly for coal gas drainer dewatering dredging, characterized by, The hand hole combination device comprises: a dredging hand hole base; a dredging hand hole cover plate detachably connected to the top of the dredging hand hole base, and a sealing part provided between the dredging hand hole cover plate and the dredging hand hole base, and a first operation hole provided on the dredging hand hole cover plate; a first drainage part, one end of which extends into the first operation hole, and the other end of which extends to the upper part of the dredging hand hole cover plate, and the first drainage part is fixedly connected to the dredging hand hole cover plate; a blocking part, which is detachably provided at the end of the first drainage part away from the dredging hand hole cover plate, so as to block the communication state in the first drainage part at the end of the first drainage part.

2. The manway assembly for coal gasifier drain dewatering and decoking of claim 1, wherein: The hand hole combination device further comprises a connecting piece connected to the outer wall of the first drainage part, one end of the connecting piece being connected to the blocking part.

3. The manway assembly for coal gasifier drain dewatering and decoking of claim 2, wherein: The connecting piece is in the shape of a flexible bundle.

4. The manway assembly for coal gasifier dewatering and decoking of claim 2, wherein: A rotating part is provided between the connecting piece and the blocking part.

5. The manway assembly for dewatering and dredging of a coal gasifier dewaterer of claim 4, wherein: The rotating part comprises a connecting plate fixedly connected to the connecting piece, and a belt end stop shaft movably penetrating through the connecting plate, one end of the belt end stop shaft being fixedly connected to the blocking part, so that the belt end stop shaft and the blocking part can rotate on the connecting plate.

6. The manway assembly for coal gasifier dewatering and decoking of claim 5, wherein: The belt end stop shaft is in the shape of T.

7. The manway assembly for dewatering and dredging of a coal gasifier dewatering vessel of claim 5, wherein: A connecting chain is provided on the connecting plate and connected to the connecting piece.

8. The combination access opening device for dewatering and dredging of coal gasifier drains of claim 1 wherein: The blocking part is threadedly connected to the first drainage part.

9. The combination access opening and drain clearing device for coal gasifier drain clearing as defined in Claim 1 wherein: The dredging hand hole base and the dredging hand hole cover plate are fixedly connected by a plurality of spaced bolts.

10. The combination access opening device for dewatering and dredging of a coal gasifier dewaterer of claim 1 wherein: A control valve is provided on the first drainage part.

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