Supporting structure in large hydrogen production electrolytic cell
By designing reinforcement ribs and adjustable support structures, the disturbance of the intermediate plate and bolts in large hydrogen-making electrolytic cells is solved, which improves the maintenanceability and overall performance of the equipment and reduces maintenance costs.
Patent Information
- Application Number
- CN202323294224.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-05
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2033-12-05
AI Technical Summary
The intermediate plates and bolts in large hydrogen electrolytic tanks are prone to disturbance problems, resulting in reduced performance, increased maintenance costs and unstable operation.
A support structure is designed, including the main support beam and support assembly, which provides two-point or three-point support through reinforcement and adjustable structures, improving overall support strength and adjustability and ensuring bolt stability.
It effectively solves the problem of disturbance between the intermediate plate and bolts, improves the maintenanceability of large hydrogen electrolytic cells, reduces maintenance time and cost, and reduces production downtime.
Smart Images
Figure CN222313329U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a large-scale hydrogen production electrolytic cell, in particular to a supporting structure in the large-scale hydrogen production electrolytic cell. Background Art
[0002] Hydrogen electrolyzers play a vital role in hydrogen production. In recent years, my country's water electrolysis hydrogen production industry has developed rapidly. Under the trend of energy development, large-scale hydrogen production equipment is an inevitable trend. For large-scale hydrogen electrolyzers, due to the long length of large-scale hydrogen electrolyzers, the intermediate plates and bolts in large-scale hydrogen electrolyzers are prone to interference problems. This problem will lead to a decrease in the performance of large-scale electrolyzers, an increase in maintenance costs, and an increase in operational instability. Therefore, this problem needs to be solved urgently. Utility Model Content
[0003] The technical problem to be solved by the utility model is: to provide a support structure in a large hydrogen production electrolyzer that can reliably support bolts, and the problem of interference between the intermediate plate and the bolts in the large hydrogen production electrolyzer can be effectively solved by the support structure.
[0004] In order to solve the above problems, the technical solution adopted by the utility model is: the support structure in the large-scale hydrogen production electrolyzer described in the invention comprises: a main support beam; the front and rear ends of the main support beam are respectively supported by a main support assembly; the structure of the main support assembly comprises: a base; a left connecting tube with an internal thread is fixedly arranged on the top left half of the base, the bottom of the left bolt is screwed into the left locking nut and then screwed into the left connecting tube, a left bolt sleeve is screwed on the left bolt, and the left bolt sleeve is fixedly connected to the main support beam through a left reinforcing rib; a right connecting tube with an internal thread is fixedly arranged on the top right half of the base, the bottom of the right bolt is screwed into the right locking nut and then screwed into the right connecting tube, a right bolt sleeve is screwed on the right bolt, and the right bolt sleeve is fixedly connected to the main support beam through a right reinforcing rib. When the bolts in the large hydrogen production electrolyzer are distributed as two-point supports, the above-mentioned support structure in the large hydrogen production electrolyzer is adopted, and the two bolts used for the two-point supports in the large hydrogen production electrolyzer are respectively placed on the top surface of the main support beam.
[0005] In order to improve the overall supporting strength of the main support beam, this scheme arranges the main support beam as an I-shaped structure consisting of an upper support plate, a lower support plate, and a vertical support plate connected between the upper support plate and the lower support plate; the lower surface of the left half of the upper support plate, the left side wall of the vertical support plate, and the upper surface of the left half of the lower support plate constitute the left groove of the main support beam, and the left reinforcement rib in the main support assembly is fixedly connected to the left groove; the lower surface of the right half of the upper support plate, the right side wall of the vertical support plate, and the upper surface of the right half of the lower support plate constitute the right groove of the main support beam, and the right reinforcement rib in the main support assembly is fixedly connected to the right groove.
[0006] In order to further improve the overall supporting strength of the main support beam, based on the above, this solution also has a plurality of first reinforcing ribs spaced apart from front to back in the left groove, and a plurality of second reinforcing ribs spaced apart from front to back in the right groove.
[0007] When the bolts in a large hydrogen production electrolyzer are distributed as three-point supports, this solution, on the basis of the above, further provides a small support assembly on the front half of the main support beam and the rear half of the main support beam respectively; the structure of the small support assembly is as follows: a small support base is installed on the top of the main support beam, and the front and rear ends of the small support beam are respectively installed on the small support base through a lifting and adjusting support structure; the lifting and adjusting support structure is as follows: a first connecting cylinder with an internal thread is fixedly provided on the left half of the small support base, the bottom of the first bolt is screwed into the first connecting cylinder, a first bolt sleeve is screwed on the first bolt, and the first bolt sleeve is fixedly connected to the small support beam through a third reinforcing rib; a second connecting cylinder with an internal thread is fixedly provided on the right half of the small support base, the bottom of the second bolt is screwed into the second connecting cylinder, a second bolt sleeve is screwed on the second bolt, and the second bolt sleeve is fixedly connected to the small support beam through a fourth reinforcing rib. The support structure of the large hydrogen production electrolyzer mentioned above is adopted. The three bolts used for three-point support in the large hydrogen production electrolyzer, the bolt located at the bottom is placed on the top surface of the main support beam, and the two bolts on both sides of the bolt located at the bottom are placed on the corresponding small support beams respectively.
[0008] In order to improve the overall supporting strength of the small support beam, this solution arranges the small support beam to be an I-shaped structure consisting of a top support plate, a bottom support plate, and a middle support plate connected between the top support plate and the bottom support plate; the lower surface of the left half of the top support plate, the left side wall of the middle support plate, and the upper surface of the left half of the bottom support plate constitute the first groove of the small support beam, and the third reinforcing rib in the small support assembly is fixedly connected to the first groove; the lower surface of the right half of the top support plate, the right side wall of the middle support plate, and the upper surface of the right half of the bottom support plate constitute the second groove of the small support beam, and the fourth reinforcing rib in the small support assembly is fixedly connected to the second groove.
[0009] In order to further improve the overall supporting strength of the main support beam, based on the above, this solution also has a number of fifth reinforcing ribs spaced apart from front to back in the first groove, and a number of sixth reinforcing ribs spaced apart from front to back in the second groove.
[0010] Furthermore, in the aforementioned support structure of a large hydrogen production electrolyzer, the top surface of the small support beam in the small support assembly is an arc-shaped support curved surface that bends downward in an arc shape.
[0011] Furthermore, in the aforementioned support structure of a large hydrogen production electrolyzer, the small support base in the small support assembly is installed on the top of the support beam in the following manner: a left waist-shaped hole is opened at a position corresponding to each first bolt, and the bottom of each first bolt is screwed into the first connecting tube and then passes through the left waist-shaped hole and is tightened with the first locking nut; a right waist-shaped hole is opened at a position corresponding to each second bolt, and the bottom of each second bolt is screwed into the second connecting tube and then passes through the right waist-shaped hole and is tightened with the second locking nut.
[0012] The beneficial effects of the utility model are: it can effectively solve the disturbance problem of the intermediate plate and bolts of a large hydrogen production electrolyzer. In addition, the adjustability of the support structure helps to operate more easily when maintaining or replacing parts of a large hydrogen production electrolyzer, which not only improves the maintainability of the large hydrogen production electrolyzer, but also reduces the maintenance time, helps to reduce production downtime and reduce costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a usage status diagram of the second embodiment of the support structure in a large hydrogen production electrolyzer described in the utility model.
[0014] Figure 2 yes Figure 1 Schematic diagram of the local enlarged structure of part A.
[0015] Figure 3 It is a structural schematic diagram of a second embodiment of a support structure in a large-scale hydrogen production electrolyzer described in the utility model.
[0016] Figure 4 yes Figure 3 Schematic diagram of the local structure of the small support component.
[0017] Figure 5 yes Figure 3 Schematic diagram of the partial structure of the main support assembly.
[0018] Figure 6 yes Figure 3 Schematic diagram of the structure in the B direction.
[0019] Figure 7 yes Figure 6 Schematic diagram of the structure in the CC section direction.
[0020] Figure 8 yes Figure 6 Schematic diagram of the structure in the DD section direction.
[0021] Fig. 9 It is a structural schematic diagram of a support structure in a large hydrogen production electrolyzer described in the utility model when three points of support are performed.
[0022] Fig.10 It is a structural schematic diagram of a first embodiment of a support structure in a large-scale hydrogen production electrolyzer described in the utility model.
[0023] Fig.11 It is a structural schematic diagram of a supporting structure in a large hydrogen production electrolyzer described in the utility model when two points of support are performed. DETAILED DESCRIPTION
[0024] The technical solution of the present utility model is further described in detail below in conjunction with the accompanying drawings and preferred embodiments.
[0025] For the convenience of description, this embodiment uses Figure 6 The left-hand direction shown is defined as "front", with Figure 6 The right-hand direction shown is defined as "rear", with Figure 6 The upper side shown is defined as "upper", with Figure 6 The lower side shown is defined as "lower"; Figure 7 The left-hand direction shown is defined as "left", with Figure 7 The right-hand direction shown is defined as "right", and all directional words involved in the present invention are based on the above definition and are unified.
[0026] In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "front", "rear", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", "fourth", "fifth", and "sixth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, an indirect connection through an intermediate medium, or the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0028] In view of the problem that the intermediate plate and bolts 81 in the large electrolyzer 8 are prone to interference, the utility model designs a support structure in a large hydrogen-producing electrolyzer. Several support structures in the large hydrogen-producing electrolyzer described in the utility model are arranged in the large hydrogen-producing electrolyzer 8, which can effectively solve the interference problem of the intermediate plate and bolts 81 in the large hydrogen-producing electrolyzer 8. Example
[0029] A support structure in a large hydrogen production electrolyzer described in this embodiment, such as Fig.10 and Fig.11 As shown, it comprises: a main support beam 1; the front and rear ends of the main support beam 1 are supported by a main support assembly 2 respectively. The structure of the main support assembly 2 comprises: a base 21; a left connecting tube 22 with internal threads is fixedly arranged on the top left half of the base 21, the bottom of the left bolt 26 is screwed into the left locking nut 24 and then screwed into the left connecting tube 22, a left bolt sleeve 28 is screwed on the left bolt 26, and the left bolt sleeve 28 is fixedly connected to the main support beam 1 through the left reinforcing rib 31. A right connecting tube 23 with internal threads is fixedly arranged on the top right half of the base 21, the bottom of the right bolt 27 is screwed into the right locking nut 25 and then screwed into the right connecting tube 23, a right bolt sleeve 29 is screwed on the right bolt 27, and the right bolt sleeve 29 is fixedly connected to the main support beam 1 through the right reinforcing rib 32.
[0030] In this embodiment, the main support beam 1 is composed of an upper support plate 11, a lower support plate 13, and a vertical support plate 12 connected between the upper support plate 11 and the lower support plate 13 to form an I-shaped structure. Figure 7 As shown, the lower surface of the left half of the upper support plate 11, the left side wall of the vertical support plate 13, and the upper surface of the left half of the lower support plate 12 constitute the left groove 101 of the main support beam 1, and the left reinforcing rib 31 in the main support assembly 2 is fixedly connected to the left groove 101. The lower surface of the right half of the upper support plate 11, the right side wall of the vertical support plate 13, and the upper surface of the right half of the lower support plate 12 constitute the right groove 102 of the main support beam 1, and the right reinforcing rib 32 in the main support assembly 2 is fixedly connected to the right groove 102.
[0031] In addition, in order to improve the overall support strength of the main support beam 1, in this embodiment, a plurality of first reinforcing ribs 14 are arranged at intervals from front to back in the left groove 101, and a plurality of second reinforcing ribs are arranged at intervals from front to back in the right groove 102.
[0032] When the bolts 81 in the large hydrogen production electrolyzer 8 are distributed as two-point supports, the support structure in the large hydrogen production electrolyzer described in this embodiment is adopted, such as Fig.11 During use, the height of the main support beam 1 is adjusted by rotating the left bolt 26 and the right bolt 27 in the main support assembly 2. The adjustability of the main support beam 1 in the height direction helps to make the operation easier when maintaining the electrolytic cell or replacing parts, which not only improves the maintainability of the electrolytic cell, but also reduces the maintenance time, helps to reduce production downtime and reduce costs. Example
[0033] A support structure in a large hydrogen production electrolyzer described in this embodiment, such as Figure 1 , Figure 2 , Figure 3 , Figure 5 , Figure 6 and Figure 7 As shown, it comprises: a main support beam 1; the front and rear ends of the main support beam 1 are supported by a main support assembly 2 respectively. The structure of the main support assembly 2 comprises: a base 21; a left connecting tube 22 with internal threads is fixedly arranged on the top left half of the base 21, the bottom of the left bolt 26 is screwed into the left locking nut 24 and then screwed into the left connecting tube 22, a left bolt sleeve 28 is screwed on the left bolt 26, and the left bolt sleeve 28 is fixedly connected to the main support beam 1 through the left reinforcing rib 31. A right connecting tube 23 with internal threads is fixedly arranged on the top right half of the base 21, the bottom of the right bolt 27 is screwed into the right locking nut 25 and then screwed into the right connecting tube 23, a right bolt sleeve 29 is screwed on the right bolt 27, and the right bolt sleeve 29 is fixedly connected to the main support beam 1 through the right reinforcing rib 32.
[0034] like Figure 3 , Figure 6 and Figure 7As shown, the main support beam 1 in this embodiment is composed of an upper support plate 11, a lower support plate 13, and a vertical support plate 12 connected between the upper support plate 11 and the lower support plate 13 to form an I-shaped structure. The lower surface of the left half of the upper support plate 11, the left side wall of the vertical support plate 13, and the upper surface of the left half of the lower support plate 12 form a left groove 101 of the main support beam 1, and the left reinforcing rib 31 in the main support assembly 2 is fixedly connected to the left groove 101. The lower surface of the right half of the upper support plate 11, the right side wall of the vertical support plate 13, and the upper surface of the right half of the lower support plate 12 form a right groove 102 of the main support beam, and the right reinforcing rib 32 in the main support assembly 2 is fixedly connected to the right groove 102.
[0035] In addition, in order to improve the overall support strength of the main support beam 1, in this embodiment, a plurality of first reinforcing ribs 14 are arranged at intervals from front to back in the left groove 101, and a plurality of second reinforcing ribs are arranged at intervals from front to back in the right groove 102.
[0036] like Figure 3 , Figure 4 and Figure 8 As shown, in this embodiment, a small support assembly 4 is respectively provided on the front half of the main support beam 1 and the rear half of the main support beam 1; the structure of the small support assembly 4 is as follows: a small support base 41 is installed on the top of the main support beam 1, and the front and rear ends of the small support beam 5 are respectively installed on the small support base 41 through a lifting and adjusting support structure; the lifting and adjusting support structure is as follows: a first connecting cylinder 42 with an internal thread is fixedly provided on the left half of the small support base 41, the bottom of the first bolt 44 is screwed into the first connecting cylinder 42, a first bolt sleeve 46 is screwed on the first bolt 44, and the first bolt sleeve 46 is fixedly connected to the small support beam 5 through a third reinforcing rib 61; a second connecting cylinder 43 with an internal thread is fixedly provided on the right half of the small support base 41, the bottom of the second bolt 45 is screwed into the second connecting cylinder 43, a second bolt sleeve 47 is screwed on the second bolt 45, and the second bolt sleeve 47 is fixedly connected to the small support beam 5 through a fourth reinforcing rib 62.
[0037] The small support beam 5 described in this embodiment is composed of a top support plate 51, a bottom support plate 53, and a middle support plate 52 supported and connected between the top support plate 51 and the bottom support plate 53 to form an I-shaped structure; the lower surface of the left half of the top support plate 51, the left side wall of the middle support plate 52, and the upper surface of the left half of the bottom support plate 53 constitute the first groove 501 of the small support beam 5, and the third reinforcing rib 61 in the small support component 4 is fixedly connected to the first groove 501; the lower surface of the right half of the top support plate 51, the right side wall of the middle support plate 52, and the upper surface of the right half of the bottom support plate 53 constitute the second groove 502 of the small support beam 5, and the fourth reinforcing rib 62 in the small support component 4 is fixedly connected to the second groove 502.
[0038] In addition, in order to improve the overall support strength of the small support beam 4, in this embodiment, a plurality of fifth reinforcing ribs 54 are arranged at intervals from front to back in the first groove 501, and a plurality of sixth reinforcing ribs are arranged at intervals from front to back in the second groove 502.
[0039] More preferably, the top surface of the small support beam 5 in the small support assembly 4 in this embodiment is an arc-shaped support curved surface 503 that is curved downward.
[0040] When the bolts 81 in the large hydrogen production electrolyzer 8 are distributed as three-point supports, the support structure in the large hydrogen production electrolyzer described in this embodiment is adopted, such as Fig. 9 As shown. In actual use, the specifications of the bolts 81 in the hydrogen production electrolyzers 8 of different specifications are also different, and the heights and left-right distances between the bolts 81 of different specifications are also different. To address this problem, in this embodiment, the small support base 41 in the small support assembly 4 is installed on the top of the support beam 1 in an adjustable structure. The specific structure is: a left waist-shaped hole 71 is opened on the main support beam 1 at the position corresponding to each first bolt 44, and the bottom of each first bolt 44 is screwed into the corresponding first connecting tube 42, and then passes through the corresponding left waist-shaped hole 71 and is tightened with the corresponding first locking nut 73; a right waist-shaped hole 72 is opened on the main support beam 1 at the position corresponding to each second bolt 45, and the bottom of each second bolt 45 is screwed into the corresponding second connecting tube 47, and then passes through the corresponding right waist-shaped hole 72 and is tightened with the corresponding second locking nut 74.
[0041] During use, the height of the main support beam 1 is adjusted by rotating the left bolt 26 and the right bolt 27 in the main support assembly 2. The height of the small support beam 5 is adjusted by rotating the first bolt 44 and the second bolt 45 in the small support assembly 4. The left and right positions of the small support assembly are adjusted by the left waist-shaped hole 71 and the right waist-shaped hole 72. The adjustability of the height direction of the main support beam 1 and the adjustability of the height direction of the small support beam 5 help to operate more easily when maintaining or replacing parts of the electrolytic cell, which not only improves the maintainability of the electrolytic cell, but also reduces the maintenance time, helps to reduce production downtime and reduce costs.
[0042] The above description is only a preferred embodiment of the present invention and does not constitute any other form of limitation to the present invention. Any modification or equivalent change made based on the technical essence of the present invention still falls within the scope of protection required by the present invention.
Claims
1. A support structure in a large hydrogen production electrolyzer, comprising: A main support beam; it is characterized in that: the front and rear ends of the main support beam are respectively supported by a main support assembly; the structure of the main support assembly comprises: a base; a left connecting tube with an internal thread is fixedly arranged on the top left half of the base, the bottom of the left bolt is screwed into the left locking nut and then screwed into the left connecting tube, a left bolt sleeve is screwed on the left bolt, and the left bolt sleeve is fixedly connected to the main support beam through a left reinforcing rib; a right connecting tube with an internal thread is fixedly arranged on the top right half of the base, the bottom of the right bolt is screwed into the right locking nut and then screwed into the right connecting tube, a right bolt sleeve is screwed on the right bolt, and the right bolt sleeve is fixedly connected to the main support beam through a right reinforcing rib.
2. The support structure in a large-scale hydrogen production electrolyzer according to claim 1, characterized in that: The main support beam is composed of an upper support plate, a lower support plate, and a vertical support plate connected between the upper support plate and the lower support plate to form an I-shaped structure; the lower surface of the left half of the upper support plate, the left side wall of the vertical support plate, and the upper surface of the left half of the lower support plate form a left groove of the main support beam, and the left reinforcement rib in the main support assembly is fixedly connected to the left groove; the lower surface of the right half of the upper support plate, the right side wall of the vertical support plate, and the upper surface of the right half of the lower support plate form a right groove of the main support beam, and the right reinforcement rib in the main support assembly is fixedly connected to the right groove.
3. The support structure in a large-scale hydrogen production electrolyzer according to claim 2, characterized in that: A plurality of first reinforcing ribs are arranged at intervals from front to back in the left groove, and a plurality of second reinforcing ribs are arranged at intervals from front to back in the right groove.
4. A support structure in a large hydrogen production electrolyzer according to claim 1, 2 or 3, characterized in that: A small support assembly is respectively provided on the front half of the main support beam and the rear half of the main support beam; the structure of the small support assembly is as follows: a small support base is installed on the top of the main support beam, and the front and rear ends of the small support beam are respectively installed on the small support base through a lifting and adjusting support structure; the lifting and adjusting support structure is as follows: a first connecting cylinder with an internal thread is fixedly provided on the left half of the small support base, the bottom of the first bolt is screwed into the first connecting cylinder, a first bolt sleeve is screwed on the first bolt, and the first bolt sleeve is fixedly connected to the small support beam through a third reinforcing rib; a second connecting cylinder with an internal thread is fixedly provided on the right half of the small support base, the bottom of the second bolt is screwed into the second connecting cylinder, a second bolt sleeve is screwed on the second bolt, and the second bolt sleeve is fixedly connected to the small support beam through a fourth reinforcing rib.
5. The support structure in a large-scale hydrogen production electrolyzer according to claim 4, characterized in that: The small support beam is composed of a top support plate, a bottom support plate, and a middle support plate connected between the top support plate and the bottom support plate to form an I-shaped structure; the lower surface of the left half of the top support plate, the left side wall of the middle support plate, and the upper surface of the left half of the bottom support plate form the first groove of the small support beam, and the third reinforcing rib in the small support assembly is fixedly connected to the first groove; the lower surface of the right half of the top support plate, the right side wall of the middle support plate, and the upper surface of the right half of the bottom support plate form the second groove of the small support beam, and the fourth reinforcing rib in the small support assembly is fixedly connected to the second groove.
6. The support structure in a large-scale hydrogen production electrolyzer according to claim 5, characterized in that: A plurality of fifth reinforcing ribs are arranged at intervals from front to rear in the first groove, and a plurality of sixth reinforcing ribs are arranged at intervals from front to rear in the second groove.
7. The support structure in a large-scale hydrogen production electrolyzer according to claim 5, characterized in that: The top surface of the small support beam in the small support assembly is an arc-shaped support curved surface that bends downward in an arc shape.
8. The support structure in a large-scale hydrogen production electrolyzer according to claim 5, characterized in that: The installation method of the small support base in the small support assembly being installed on the top of the support beam is as follows: a left waist-shaped hole is opened on the main support beam at the position corresponding to each first bolt, and the bottom of each first bolt is screwed into the corresponding first connecting tube and then passes through the corresponding left waist-shaped hole and is tightened with the corresponding first locking nut; a right waist-shaped hole is opened on the main support beam at the position corresponding to each second bolt, and the bottom of each second bolt is screwed into the corresponding second connecting tube and then passes through the corresponding right waist-shaped hole and is tightened with the corresponding second locking nut.