Novel non-metal pole frame

By setting up feed and discharge transition channels and a multi-channel design on the pole frame, the problem of uneven alkali distribution is solved, achieving uniform distribution and flow efficiency of alkali, reducing the risk of tank burning, and enhancing the flushing ability of alkali.

CN223906965UActive Publication Date: 2026-02-13WENZHOU GAOQI HYDROGEN ENERGY TECH CO LTD
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Patent Information

Application Number
CN202520488955.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-19
Publication Date
2026-02-13
Estimated Expiration
2035-03-19

AI Technical Summary

Technical Problem

The existing electrode frame design results in uneven distribution of alkali solution, which can easily form dead liquid zones and increase the possibility of tank burnout.

Method used

The electrode frame body is provided with a feed transition groove and a discharge transition groove, and multiple feed channels and discharge channels are opened on the inner wall. The number of discharge channels is greater than the number of feed channels. The patch is provided with a different number of material passage grooves. The patch is fixed by the mounting groove and mounting structure to adjust the flow field.

Benefits of technology

It achieves uniform distribution of alkali solution, reduces dead liquid areas, lowers the risk of tank burn-out, enhances the flushing ability of alkali solution, and improves the outflow efficiency of gas-liquid mixture.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223906965U_ABST
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Abstract

The utility model relates to a novel non-metal pole frame which comprises a pole frame body, an electrolysis hole, a feeding hole and a discharging hole are formed in the pole frame body, a feeding transition groove communicated with the feeding hole is formed in the pole frame body, a discharging transition groove communicated with the discharging hole is formed in the pole frame body, and the discharging transition groove is communicated with the discharging hole. A plurality of feeding channels communicated with the feeding hole and the feeding transition groove are formed in the inner wall of the electrolysis hole, and a plurality of discharging channels communicated with the discharging hole and the discharging transition groove are formed in the inner wall of the electrolysis hole. While the weight of the pole frame is reduced, areas for alkali liquor to flow in and flow out are increased, so that the alkali liquor is distributed more uniformly, dead liquid areas are reduced, and the possibility of tank burning is reduced.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of pole frame, and in particular to a novel non-metal pole frame. BACKGROUND

[0002] Hydrogen is an important industrial raw material and energy carrier, which is widely used in chemical industry, metallurgy, electronics and other fields. Water electrolysis is one of the most promising methods for hydrogen production among existing hydrogen production methods, which is simple, efficient and low in emission, and has broad application prospects.

[0003] The electrolytic cell is a key equipment for water electrolysis, and the pole frame is a key accessory of the electrolytic cell. In the related technology, the pole frame is annular, and the pole frame is provided with an electrolysis hole, a feeding hole, a discharging hole, a feeding passage communicating the electrolysis hole and the feeding hole, and a discharging passage communicating the electrolysis hole and the discharging hole. The feeding hole is used for flowing liquid, so that the liquid can flow into the inner hole of the pole frame, and the discharging hole is used for discharging hydrogen or oxygen, so that the gas generated in the electrolysis hole and the liquid mixed with the gas can be discharged.

[0004] The electrolysis hole includes a first area and a second area, wherein the feeding passage and the discharging passage are both distributed in the first area, that is, the flow in and out of the lye is mainly concentrated in the first area, which leads to the possibility of forming a dead liquid area in the second area, uneven distribution of lye, and the possibility of burning the tank. CONTENT OF THE INVENTION

[0005] In order to make the lye in the electrolysis hole uniformly distributed, the present application provides a novel non-metal pole frame.

[0006] The present application provides a novel non-metal pole frame, which adopts the following technical scheme:

[0007] A novel non-metal pole frame, comprising a pole frame body, the pole frame body is provided with an electrolysis hole, a feeding hole and a discharging hole, the pole frame body is provided with a feeding transition groove in communication with the feeding hole, the pole frame body is provided with a discharging transition groove in communication with the discharging hole, the inner wall of the electrolysis hole is provided with a plurality of feeding passages in communication with the feeding hole and the feeding transition groove, the inner wall of the electrolysis hole is provided with a plurality of discharging passages in communication with the discharging hole and the discharging transition groove, and the total number of the discharging passages is greater than the total number of the feeding passages.

[0008] By adopting the technical scheme, the feed transition groove in communication with the feed hole and the discharge transition groove in communication with the discharge hole are arranged on the polar frame body, so that the alkali solution or the gas-liquid mixture can flow into the feed transition groove and the discharge transition groove, the weight of the polar frame is reduced, the area of the alkali solution flowing in and flowing out is increased, the alkali solution is more evenly distributed, the dead liquid area is reduced, the possibility of burning the groove is reduced, the discharge channels are arranged more, the gas-liquid mixture is more easily discharged, the feed channels are arranged less, the gas pressure and the liquid pressure are increased, the flushing capacity of the alkali solution is stronger, the disturbance to the inner cavity of the electrolysis hole is strengthened, and the dead liquid area is further reduced.

[0009] Optionally, an installation groove extending in the axial direction of the polar frame body is arranged on the end face of the polar frame body, and a patch is arranged in the installation groove.

[0010] By adopting the technical scheme, the feed channel and the discharge channel are arranged on the patch, the patch is installed in the installation groove after being processed, the overall size of the polar frame is small, the feed channel and the discharge channel are conveniently processed, and the processing difficulty and the processing cost are reduced.

[0011] Optionally, a plurality of patches are arranged, different numbers of feed grooves are arranged on each patch, and the discharge channel and the feed channel are respectively composed of a plurality of feed grooves on different patches.

[0012] By adopting the technical scheme, the numbers of the feed grooves arranged on the plurality of patches are different, different patches can be selected and installed in the installation groove according to actual use requirements, and the flow field inside the electrolysis hole is adjusted.

[0013] Optionally, the number of the feed grooves on the patch for feeding close to the feed hole is less than the number of the feed grooves on the patch for feeding away from the feed hole.

[0014] By adopting the technical scheme, the number of the feed grooves on the patch close to the feed hole is less than the number of the feed grooves on the patch away from the feed hole, so that the flowability of the alkaline aqueous solution flowing to the feed transition groove is improved after the alkaline aqueous solution enters the feed hole, and the possibility of burning the feed transition groove is reduced.

[0015] Optionally, the number of the feed grooves on the patch for discharging close to the discharge hole is greater than the number of the feed grooves on the patch for discharging away from the discharge hole.

[0016] By adopting the technical scheme, the number of the feed grooves on the patch close to the discharge hole is less than the number of the feed grooves on the patch away from the discharge hole, so that the gas-liquid mixture can be discharged from the discharge hole as soon as possible.

[0017] Optionally, the through-passage is arranged on the patch and penetrates through an end surface of a groove bottom wall of the mounting groove close to the patch.

[0018] By adopting the technical scheme, the through-passage on the small-size patch is more convenient to process.

[0019] Optionally, a plurality of through-passages are arranged on the patch and dispersed around an axis of the pole frame body.

[0020] By adopting the technical scheme, the through-passages are arranged more dispersedly, the flushing range of the alkali solution is increased, and the disturbance to the inner cavity of the electrolysis hole is further strengthened.

[0021] Optionally, a plurality of mounting grooves are arranged, the mounting grooves and the patches are one-to-one corresponding, the mounting grooves and the patches are both provided with mounting structures, and the patches are fixed in the mounting grooves through the mounting structures.

[0022] By adopting the technical scheme, the mounting grooves and the patches are one-to-one corresponding, and the patches are convenient to position and install.

[0023] Optionally, the mounting structure comprises a positioning block and a positioning groove for the positioning block to be inserted, the positioning block is arranged on a side wall of the patch, and the positioning groove is arranged on a groove wall of the mounting groove.

[0024] By adopting the technical scheme, the positioning block is inserted into the positioning groove, the installation of the patch is positioned, and the movement of the patch relative to the pole frame in the radial direction is limited.

[0025] Optionally, the mounting structure further comprises a fixing block and a fixing groove for the fixing block to be inserted, the fixing block is arranged on a side wall of the positioning block close to a groove bottom wall of the positioning groove, the fixing groove is arranged on the groove bottom wall of the positioning groove, and the size of the fixing groove is smaller than the size of the fixing block.

[0026] By adopting the technical scheme, after the positioning block is inserted into the positioning groove, the patch is limited, then the fixing block is inserted into the fixing groove, the fixing block and the fixing groove are in interference fit, the patch is fixed in the mounting groove, the structure is simple, and the assembly is convenient.

[0027] In summary, the present application has at least one of the following beneficial technical effects:

[0028] 1. While reducing the weight of the pole frame, the area for the alkali solution to flow in and out is increased, the alkali solution is more uniformly distributed, the dead liquid area is reduced, and the possibility of burning the tank is reduced;

[0029] 2. The more the discharge passages are arranged, the more the gas-liquid mixture is easy to flow out, the less the feeding passages are arranged, the gas pressure and the liquid pressure are increased, the flushing capacity of the alkali solution is stronger, the disturbance to the inner cavity of the electrolysis hole is strengthened, and the dead liquid area is reduced;

[0030] 3. Different patches can be selected according to actual use requirements and installed in the installation groove, so as to adjust the flow field inside the electrolysis hole. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 is a structural schematic diagram of the application.

[0032] Figure 2 is Figure 1 is an enlarged view of A in FIG.

[0033] Figure 3 is an exploded view of the patch and the installation groove of the application highlighting the installation structure.

[0034] Figure 4 is a partial view of the application highlighting the patch for feeding.

[0035] Figure 5 is a partial view of the application highlighting the patch for discharging.

[0036] Reference signs: 1, pole frame body; 11, electrolysis hole; 12, feeding hole; 13, discharging hole; 14, feeding transition groove; 15, discharging transition groove; 16, feeding channel; 17, discharging channel; 18, installation groove; 2, patch; 21, material passing groove; 3, installation structure; 31, positioning block; 32, positioning groove; 33, fixing block; 34, fixing groove. DETAILED DESCRIPTION

[0037] The following will be described in detail in combination with the accompanying Figures 1-5 The application is further described in detail.

[0038] The embodiment of the application discloses a novel non-metallic pole frame. Referring to Figure 1 , the novel non-metallic pole frame comprises a pole frame body 1. An electrolysis hole 11, a feeding hole 12 and a discharging hole 13 are arranged on the axial end wall of the pole frame body 1, the electrolysis hole 11 is arranged to make the pole frame body 1 as a whole in a ring shape, and the feeding hole 12 and the discharging hole 13 are both two, and the four feeding holes 12 and the discharging holes 13 are distributed axially and spaced apart around the electrolysis hole 11.

[0039] Referring to Figure 1 , the axial end wall of the pole frame body 1 is provided with a feeding transition groove 14 in communication with the feeding hole 12, and the feeding transition groove 14 extends axially around the electrolysis hole 11, and the axial end wall of the pole frame body 1 is provided with a discharging transition groove 15 in communication with the discharging hole 13, and the discharging transition groove 15 extends axially around the electrolysis hole 11.

[0040] Referring to Figure 1 and Figure 2The inner wall of the electrolysis hole 11 is provided with a plurality of feeding channels 16 in communication with the feeding hole 12 and the feeding transition groove 14, and the inner wall of the electrolysis hole 11 is also provided with a plurality of discharging channels 17 in communication with the discharging hole 13 and the discharging transition groove 15.

[0041] With reference to Figure 1 With Figure 3 The axial end wall of the pole frame body 1 is provided with a plurality of mounting grooves 18, the plurality of mounting grooves 18 are distributed around the axial direction of the electrolysis hole 11, and the mounting grooves 18 extend from the inner wall of the electrolysis hole 11 to the feeding transition groove 14 and the discharging transition groove 15. The mounting groove 18 is fixedly installed with the patch 2.

[0042] With reference to Figure 3 With Figure 4 With Figure 5 The patch 2 is provided with a plurality of patches 2, and each patch 2 is provided with a different number of material passing grooves 21 on the end wall facing the groove bottom wall of the mounting groove 18. A plurality of material passing grooves 21 are dispersedly arranged on the patch 2 around the axial direction of the electrolysis hole 11. The material passing groove 21 penetrates the patch 2 along the radial direction of the electrolysis hole 11. When the patch 2 is installed in the mounting groove 18, the feeding channel 16 and the discharging channel 17 are both formed by the material passing groove 21 and the groove bottom wall of the mounting groove 18.

[0043] With reference to Figure 4 With Figure 5 The number of discharging channels 17 is greater than the number of feeding channels 16, that is, the patch 2 for discharging is selected to have a larger number of material passing grooves 21, and the patch 2 for feeding is selected to have a smaller number of material passing grooves 21. In this embodiment, the patch 2 for feeding and the patch 2 for discharging are both provided with five, wherein the number of material passing grooves 21 on the three patches 2 for feeding close to the feeding hole 12 is three, and the number of material passing grooves 21 on the two patches 2 for feeding away from the feeding hole 12 is eight. The number of material passing grooves 21 on the three patches 2 for discharging close to the discharging hole 13 is fifteen, and the number of material passing grooves 21 on the two patches 2 for discharging away from the discharging hole 13 is three. In other embodiments, different patches 2 can be selected according to actual use requirements. In other embodiments, the patches can be arranged differently according to actual needs.

[0044] With reference to Figure 3 The mounting groove 18 and the patch 2 are both provided with a mounting structure 3, and the mounting structure 3 is used to fix the patch 2 in the mounting groove 18. The mounting structure 3 includes a positioning block 31 and a positioning groove 32 for inserting the positioning block 31. The positioning block 31 is integrally formed on the two side walls of the patch 2, and the positioning groove 32 is provided on the two opposite groove walls of the mounting groove 18.

[0045] With reference to Figure 3The mounting structure 3 further comprises a fixing block 33 integrally formed on an end wall of the positioning block 31 close to the groove bottom wall of the mounting groove 18, and a fixing groove 34 provided on the groove bottom wall of the positioning groove 32, the cross-sectional dimension of the fixing block 33 is smaller than that of the fixing groove 34, and the fixing block 33 is in interference fit with the fixing groove 34, so as to fix the patch 2 in the mounting groove 18.

[0046] The implementation principle of the novel non-metal pole frame is that the alkaline aqueous solution is delivered into the feeding hole 12, then into the feeding transition groove 14, and then into the electrolysis hole 11 through the feeding channel 16, so that the alkaline aqueous solution is uniformly distributed in the electrolysis hole 11, and the pole frame is not easy to be grooved during electrolysis; the gas-liquid mixture is delivered into the discharging transition groove 15 through the discharging channel 17, and finally discharged from the discharging hole 13.

[0047] The above are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, therefore: any equivalent changes made according to the structure, shape, principle of the present application shall be covered within the protection scope of the present application.

Claims

1. A novel non-metallic pole frame characterized by: The application relates to an electrolysis frame body (1) which is provided with an electrolysis hole (11), a feeding hole (12) and a discharging hole (13), a feeding transition groove (14) which is in communication with the feeding hole (12), a discharging transition groove (15) which is in communication with the discharging hole (13), a plurality of feeding channels (16) which are in communication with the feeding hole (12) and the feeding transition groove (14) and are arranged on the inner wall of the electrolysis hole (11), a plurality of discharging channels (17) which are in communication with the discharging hole (13) and the discharging transition groove (15) and are arranged on the inner wall of the electrolysis hole (11), and the total number of the discharging channels (17) is greater than that of the feeding channels (16).

2. The novel non-metallic pole frame according to claim 1, characterized in that: An installation groove (18) which extends along the axial direction of the electrolysis frame body (1) is arranged on the end face of the electrolysis frame body (1), a patch (2) is arranged in the installation groove (18), and the feeding channels (16) and the discharging channels (17) are arranged on the patch (2).

3. The novel non-metallic pole frame according to claim 2, characterized in that: A plurality of patches (2) are arranged, different numbers of material passing grooves (21) are arranged on each patch (2), and the discharging channels (17) and the feeding channels (16) are respectively composed of a plurality of material passing grooves (21) on different patches (2).

4. The novel non-metallic pole frame according to claim 3, characterized in that: The number of the material passing grooves (21) on the patch (2) which is close to the feeding hole (12) and is used for feeding is smaller than that of the material passing grooves (21) on the patch (2) which is far away from the feeding hole (12) and is used for feeding.

5. The novel non-metallic pole frame according to claim 3, wherein: The number of the material passing grooves (21) on the patch (2) which is close to the discharging hole (13) and is used for discharging is greater than that of the material passing grooves (21) on the patch (2) which is far away from the discharging hole (13) and is used for discharging.

6. The novel non-metallic pole frame according to claim 3, wherein: The material passing grooves (21) penetrate the end face of the groove bottom wall of the patch (2) which is close to the installation groove (18).

7. The novel non-metallic pole frame according to claim 3, wherein: A plurality of the material passing grooves (21) are dispersedly arranged on the patch (2) around the axial line of the electrolysis frame body (1).

8. The novel non-metallic pole frame according to claim 3, wherein: A plurality of the installation grooves (18) correspond to the patches (2) one by one, installation structures (3) are arranged on the installation grooves (18) and the patches (2), and the patch (2) is fixed in the installation groove (18) through the installation structure (3).

9. The novel non-metallic pole frame according to claim 8, characterized in that: The installation structure (3) comprises a positioning block (31) and a positioning groove (32) in which the positioning block (31) is inserted, the positioning block (31) is arranged on the side wall of the patch (2), and the positioning groove (32) is arranged on the groove wall of the installation groove (18).

10. The novel non-metallic pole frame according to claim 9, characterized in that: The installation structure (3) further comprises a fixing block (33) and a fixing groove (34) in which the fixing block (33) is inserted, the fixing block (33) is arranged on the side wall of the positioning block (31) which is close to the groove bottom wall of the positioning groove (32), the fixing groove (34) is arranged on the groove bottom wall of the positioning groove (32), and the size of the fixing groove (34) is smaller than that of the fixing block (33).