CN218731065U - Electricity leading device of solid oxide fuel cell power generation system - Google Patents
Electricity leading device of solid oxide fuel cell power generation system Download PDFInfo
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- CN218731065U CN218731065U CN202222306287.3U CN202222306287U CN218731065U CN 218731065 U CN218731065 U CN 218731065U CN 202222306287 U CN202222306287 U CN 202222306287U CN 218731065 U CN218731065 U CN 218731065U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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Abstract
The utility model discloses a solid oxide fuel cell power generation system draw electric installation, it is including being fixed in insulating nut on the hot area housing end, setting up in insulating screw rod of insulating nut inside multilayer deformable seal ring, the insulating nut of screw in, the center of insulating screw rod has the first through-hole that supplies the conducting rod to run through, and the conducting rod passes behind insulating screw rod and the insulating nut with pile electrode contact, insulating screw rod screw in insulating nut extrusion seal ring makes its deformation hold the conducting rod tightly. The utility model discloses a solid oxide fuel cell power generation system's electricity device that draws, difficult problem in the present trade of solution that can be fine is stable, reliable drawing the low temperature district to the electric energy from the high temperature district.
Description
Technical Field
The utility model belongs to the fuel cell field, concretely relates to solid oxide fuel cell power generation system draws electric installation.
Background
The increasing shortage of global warming and fossil fuels is two major problems facing people nowadays. The fuel cell is a clean power generation technology, is not limited by Carnot cycle, and can realize high-efficiency power generation. Recently, fuel cells have been developed rapidly, wherein Solid Oxide Fuel Cells (SOFC) are third generation fuel cells, and the fuel has wide applicability and can be used for natural gas, hydrogen, coal bed gas, water gas, coke oven gas, methane and the like; the generating efficiency is up to more than 65%; SOFC systems require power generation in high temperature environments, which involves electrical insulation problems in high temperature environments.
The normal power generation environment temperature of the SOFC is about 750 ℃, and great difficulty is brought to the extraction of electric energy in a high-temperature environment. At present, because the solid oxide fuel cell just starts at home and is in a test stage, the metal conducting rod is simply matched with a ceramic or quartz sleeve to conduct electricity. The existing scheme has the defects of easy shaking of the lead pole, large contact resistance between the lead pole and the pile electrode, large gap between the ceramic tube and the lead pole, incapability of ensuring the air tightness of the pile working environment, large heat loss and the like. At present, no good electricity leading scheme is available for leading electric energy from a high-temperature area to a low-temperature load end.
SUMMERY OF THE UTILITY MODEL
The difficult problem of solid oxide fuel cell draws electricity among the prior art, the utility model provides a solid oxide fuel cell power generation system draws electric installation, difficult problem in the present trade of solution that can be fine, stable, reliable low temperature region of drawing to the electric energy from the high temperature region.
The utility model discloses a solid oxide fuel cell power generation system draw electric installation, it includes hot area casing, be fixed in hot area casing tip's insulating nut, set up in the inside multilayer deformable seal ring of insulating nut, the insulating screw rod of screw in insulating nut, open at the center of insulating screw rod has the first through-hole that supplies the conducting rod to run through, the conducting rod passes behind insulating screw rod and the insulating nut with pile electrode contact (or be connected), insulating screw in insulating nut extrusion seal ring makes its deformation hold the conducting rod tightly. The stack electrodes of the solid oxide fuel cell are housed in a hot zone housing.
Furthermore, the insulating nut may be, for example, a column (the length may be, for example, 5 to 20 cm), one end of the hot zone housing is provided with an opening through which the insulating nut passes (the aperture may enable the insulating nut to be just snapped in), the outer periphery of the insulating nut is provided with a ring-shaped flange (the ring-shaped flange is, for example, integrally formed with the insulating nut, and the thickness of the ring-shaped flange may be, for example, 2 to 12 cm), the ring-shaped flange is provided with horizontal steps, the number of the steps may be, for example, 2 to 4, the steps are symmetrically arranged along the ring-shaped flange or uniformly distributed on the ring-shaped flange, the bottom surface of the ring-shaped flange is tightly attached to the outer surface of the hot zone housing, preferably, a ring-shaped sealing gasket is arranged between the ring-shaped flange and the hot zone housing for tightening and sealing, the sealing gasket may be, for example, ceramic fiber or graphite, and the insulating nut is made of one of insulating materials, such as inorganic materials ceramic, corundum, quartz, and the like.
Furthermore, a second through hole and a third through hole communicated with the second through hole are sequentially formed in the insulating nut from top to bottom along the central shaft, the inner diameter of the second through hole is larger than that of the third through hole, a horizontal ring table top used for placing a sealing gasket is formed at the transition part of the second through hole and the third through hole, the second through hole is a threaded hole used for screwing in an insulating screw rod, the thread of the second through hole is matched with that of the insulating screw rod, the inner diameter of the third through hole is consistent with the outer diameter of the conducting rod or slightly larger than the outer diameter of the conducting rod, for example, the inner diameter is 0.1-0.5mm larger, and the depth of the second through hole can be 3-10cm, for example.
Further, the sealing washer is made of high-temperature-resistant and force-bearing deformable ceramic fibers or graphite, the sealing washer can be 1-10 layers, the inner diameter of the sealing washer is consistent with the outer diameter of the conducting rod or slightly larger than the outer diameter of the conducting rod (for example, the diameter is 0.1-0.5mm larger, the conducting rod can penetrate through the sealing washer), the difference between the inner diameter and the outer diameter of the sealing washer is equal to the width of the ring platform surface, the thickness of a single sealing washer can be 3-5mm, when the sealing washer is placed on the ring platform surface, the insulating screw is screwed into the second through hole and extrudes the sealing washer, the conducting rod is tightly held by the deformation of the sealing washer, the conducting rod is fixed, meanwhile, the effect of isolating a hot area (power generation area) from a low-temperature area (outside) is achieved, and the air tightness of a pile working environment is guaranteed.
Furthermore, the insulating screw rod can be T-shaped, and the material of the insulating screw rod is one of inorganic materials such as ceramic, corundum and quartz.
Further, the inner diameter of the first through hole is consistent with the outer diameter of the conducting rod or slightly larger than the outer diameter of the conducting rod, for example, 0.1-0.3mm larger, preferably, the inner diameters of the first through hole, the third through hole and the sealing washer are consistent, and when the insulating screw is screwed into the second through hole, the first through hole and the third through hole are concentric.
Further, the bottommost end of the conducting rod is in contact with the pile electrode, the conducting rod sequentially penetrates through the third through hole, the sealing washer and the first through hole from bottom to top and extends to the outer side of the hot zone shell, meanwhile, the third through hole, the sealing washer and the first through hole are concentric with the central shaft, preferably, the conducting rod can be of an inverted T shape, the horizontal portion can be of a round cake shape or a square shape, the horizontal portion is in contact with the pile electrode, and the vertical portion sequentially penetrates through the third through hole, the sealing washer and the first through hole from bottom to top and extends to the outer side of the hot zone shell.
Furthermore, the insulating nut is fixed on the hot zone housing through a fixing plate, the fixing plate may be, for example, a square plate, the fixing plate is provided with fastening holes for being placed on the step of the annular flange, for example, square holes, the fixing plate is provided with fourth through holes for bolts to pass through (the fourth through holes are distributed on the fixing plate on both sides of the fastening holes, for example, the number of the fourth through holes may be 2 to 4), meanwhile, the hot zone housing is provided with threaded holes corresponding to the fourth through holes (the threaded holes preferably do not pass through the hot zone housing), the bolts are screwed into the fourth through holes and the threaded holes on the hot zone housing, the bolts are screwed, the insulating nut is gradually close to the hot zone housing under extrusion, the bottom surface of the annular flange is tightly attached to the outer surface of the hot zone housing, so that the insulating nut is fixed on the hot zone housing, and meanwhile, the sealing gasket between the annular flange and the hot zone housing ensures the sealing performance; stainless steel such as SUS310SS and SUS316 resistant to high temperatures of 750 ℃ or higher can be used for the fixing plate, and the fixing plate is preferably subjected to high-temperature oxidation-resistant treatment.
The utility model has the advantages that:
the utility model discloses a solid oxide fuel cell power generation system's electricity device that draws guarantees that the conducting rod is insulating with other parts through pottery or other insulating material, uses ceramic fibre or other high temperature resistant deformable materials to guarantee that the conducting rod is stable and keep apart high temperature zone and external, guarantees pile operational environment gas tightness simultaneously. The electric energy of the SOFC power generation system is stably led to a low-temperature area (outside) from a high-temperature area (power generation area), so that the conducting rod is ensured not to shake, the conducting rod is well contacted with a pile electrode, good insulating property is met, and the air tightness between the pile working environment and the outside is ensured. In addition, because the sealing washer is made of high-temperature-resistant deformable material, when the galvanic pile expands with heat and contracts with cold, the conducting rod moves up and down, and the sealing effect can also be achieved. Meanwhile, proper force can be applied to the conducting rod through the outside, and the conducting rod is guaranteed to be in good contact with the electrode of the pile. When the stress of expansion with heat and contraction with cold changes, the same force is applied to the galvanic pile, the thermal stress is eliminated, and stable and good contact and air tightness are always ensured.
Drawings
Fig. 1 is a side view of a current guiding device of a solid oxide fuel cell power generation system according to the present invention.
Fig. 2 is a longitudinal sectional view of a current guiding device of a solid oxide fuel cell power generation system according to the present invention.
FIG. 3 is a plan view of a conductive rod;
wherein 3-a is a front view, and 3-b is a top view.
FIG. 4 is a plan view of an insulated screw;
wherein 4-a is a longitudinal sectional view and 4-b is a plan view.
FIG. 5 is a plan view of the sealing gasket;
wherein 5-base:Sub>A isbase:Sub>A top view, 5-b isbase:Sub>A side view, and 5-c isbase:Sub>A sectional view in the A-A direction of 5-base:Sub>A.
FIG. 6 is a plan view of the fixing plate;
wherein 6-base:Sub>A isbase:Sub>A plan view, and 6-b isbase:Sub>A sectional view in the A-A direction of 6-base:Sub>A.
Fig. 7 is a schematic structural view of the insulating nut.
FIG. 8 is a plan view of the insulating nut;
wherein 8-a is a longitudinal section, 8-b is a side view, and 8-c is a plan view.
Fig. 9 is a schematic structural view of the connection between the insulating nut and the fixing plate.
Reference numerals are as follows:
1: a conductive rod; 2: an insulating screw; 3: an insulating nut; 4: a sealing gasket; 5 fixing the plate; 6: a bolt; 7: a hot zone enclosure; 8: a hot zone; 9: a stack electrode; 10: a first through hole; 11: a second through hole; 12: a third through hole; 13: a ring table surface; 14: a fourth via hole; 15: an annular flange; 16: a step; 17: and (6) buckling the holes.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
In the present application, the directions "up and down" are based on the placement position in the drawings.
As shown in fig. 1-8, the utility model discloses a solid oxide fuel cell power generation system draws electric installation, it includes hot area casing 7, be fixed in insulating nut 3 on the hot area casing 7 tip, set up in insulating nut 3 inside multilayer flexible seal ring 4, screw in insulating nut 3's insulating screw 2, open at the center of insulating screw 2 has the first through-hole 10 that supplies conducting rod 1 to run through, conducting rod 1 passes insulating screw 2 and insulating nut 3 back and contacts with pile electrode 9, insulating screw 2 screw in insulating nut 3 extrusion seal ring 4 makes it warp and holds conducting rod 1 tightly. The stack electrodes 9 are housed in the hot zone housing 7.
The insulating nut 3 may be, for example, a column (the length may be, for example, 5 to 20 cm), the hot zone housing 7 has an opening through which the insulating nut 3 passes (the aperture may be such that the insulating nut is just inserted), the insulating nut 3 has a ring-shaped flange 15 on its outer periphery (the ring-shaped flange 15 is, for example, integrally formed with the insulating nut 3, and the thickness of the ring-shaped flange 15 may be, for example, 2 to 12 cm), the ring-shaped flange 15 has horizontal steps 16, the number of the steps 16 may be, for example, 2 to 4, the steps 16 are symmetrically arranged along the ring-shaped flange 15 or uniformly distributed on the ring-shaped flange, and the bottom surface of the ring-shaped flange 15 is tightly attached to the outer surface of the hot zone housing 7, preferably, a ring-shaped gasket is arranged between the ring-shaped flange and the hot zone housing for tightening and sealing, the gasket may be, for example, ceramic fiber or graphite, and the insulating nut 3 is made of one of inorganic materials, such as ceramic, corundum, quartz, and the like.
A second through hole 11 and a third through hole 12 communicated with the second through hole are sequentially formed in the insulating nut 3 from top to bottom along a central shaft, the inner diameter of the second through hole 11 is larger than the inner diameter of the third through hole 12, a horizontal ring table top 13 used for placing a sealing gasket 4 is formed at the transition part of the second through hole 11 and the third through hole 12, the second through hole 11 is a threaded hole used for screwing in an insulating screw rod, the thread of the second through hole 11 is matched with the thread of the insulating screw rod 2, the inner diameter of the third through hole 12 is consistent with the outer diameter of the conducting rod 1 or slightly larger than the outer diameter of the conducting rod, for example, the diameter is 0.1-0.5mm, and the depth of the second through hole can be 3-10cm.
The sealing washer 4 is made of high-temperature-resistant and force-bearing deformable ceramic fibers or graphite (the sealing washer can be 1-10 layers, for example, the inner diameter of the sealing washer 4 is consistent with the outer diameter of the conducting rod 1 or slightly larger than the outer diameter of the conducting rod (for example, the conducting rod can penetrate through the sealing washer) and the difference between the inner diameter and the outer diameter of the sealing washer 4 is equal to the width of the annular table surface 13, and the thickness of a single sealing washer can be 3-5mm, when the sealing washer is placed on the annular table surface 13, the insulating screw 2 is screwed into the second through hole 11 and presses the sealing washer, and the sealing washer deforms to hold the conducting rod 1 tightly, so that the conducting rod 1 is fixed, and meanwhile, the effect of isolating a hot area 8 (power generation area) from a low-temperature area (outside) is achieved, and the air tightness of a working environment of the electric pile is guaranteed.
The insulating screw 2 may be T-shaped, for example, and the material of the insulating screw 2 is one of inorganic materials such as ceramic, corundum, and quartz.
The inner diameter of the first through hole 10 is the same as the outer diameter of the conducting rod 1 or slightly larger than the outer diameter of the conducting rod, for example, 0.1-0.3mm larger, preferably, the inner diameters of the first through hole 10, the third through hole 12 and the sealing washer 4 are the same, when the insulating screw 2 is screwed into the second through hole 11, the first through hole 10 and the third through hole 12 are concentric.
The bottommost end of conducting rod 1 contacts (or is connected with) galvanic pile electrode 9, conducting rod 1 from down to up passes third through-hole 12 in proper order, seal ring 4, first through-hole 10 extends to the hot zone casing 7 outside, third through-hole 12 simultaneously, seal ring 4, first through-hole 10 is with the center axis, preferably, conducting rod 1 for example can be for falling "T" type, wherein the horizontal part can be cake type or square, the horizontal part contacts with the galvanic pile electrode, the vertical part from down to up passes third through-hole, seal ring, first through-hole extends to the hot zone casing outside in proper order.
The insulating nut 3 may be fixed to the hot zone housing 7 through the fixing plate 5, as shown in fig. 9, the fixing plate may be, for example, a square plate, the fixing plate 5 is provided with fastening holes 17 for being placed on the annular flange step 16, the fastening holes 17 may be, for example, square holes, the fixing plate 5 is provided with fourth through holes 14 (the fourth through holes may be, for example, 2 to 4 in number, for example, distributed on the fixing plate on both sides of the fastening holes) through which the bolts 6 pass, and the hot zone housing is provided with threaded holes corresponding to the fourth through holes (the threaded holes preferably do not pass through the hot zone housing), the bolts 6 are screwed into the fourth through holes 14 and the threaded holes on the hot zone housing, and the bolts 6 are tightened, the insulating nut is gradually approached to the hot zone housing by being pressed, and the bottom surface of the annular flange is tightly attached to the outer surface of the hot zone housing, so that the insulating nut is fixed to the hot zone housing, and the sealing gasket between the annular flange and the hot zone housing ensures sealing; stainless steel such as SUS310SS and SUS316 resistant to high temperatures of 750 ℃ or higher can be used for the fixing plate, and the fixing plate is preferably subjected to high-temperature oxidation-resistant treatment.
The foregoing describes preferred embodiments of the present invention, however, the foregoing description is not intended to be limiting. Many changes and modifications may be made by one of ordinary skill in the art without departing from the spirit and scope of the invention. Such changes or modifications are intended to be included within the scope of the appended claims.
Claims (10)
1. The utility model provides a solid oxide fuel cell power generation system's electricity induction device, its characterized in that, it includes hot area casing (7), insulating nut (3) of being fixed in hot area casing tip, set up multilayer deformable sealing washer (4) inside insulating nut (3), screw in insulating screw (2) of insulating nut (3), open at the center of insulating screw (2) has first through-hole (10) that supply conducting rod (1) to run through, conducting rod (1) pass insulating screw (2) and insulating nut (3) back and pile electrode (9) contact, insulating screw (2) screw in insulating nut (3) extrusion sealing washer (4) make its deformation hold conducting rod (1) tightly.
2. The electric lead device according to claim 1, characterized in that the insulating nut (3) is cylindrical, the hot zone housing (7) is provided with a hole for the insulating nut (3) to penetrate through, the periphery of the insulating nut (3) is provided with a ring of annular flanges (15), the annular flanges (15) are provided with horizontal steps (16), the steps (16) are symmetrically arranged along the annular flanges (15) or are uniformly distributed on the annular flanges, and the insulating nut (3) is made of any one of ceramic, corundum and quartz.
3. The electricity guiding device as claimed in claim 1 or 2, wherein a second through hole (11) and a third through hole (12) communicated with the second through hole are sequentially formed in the insulating nut (3) from top to bottom along a central axis, the inner diameter of the second through hole (11) is larger than that of the third through hole (12), a horizontal ring table top (13) for placing the sealing gasket (4) is formed at the transition part of the second through hole (11) and the third through hole (12), the second through hole (11) is a threaded hole for screwing in an insulating screw, the thread of the second through hole (11) is matched with the thread of the insulating screw (2), and the inner diameter of the third through hole (12) is consistent with the outer diameter of the conducting rod (1) or slightly larger than the outer diameter of the conducting rod.
4. The electric lead device according to claim 1, characterized in that the sealing washer (4) is made of ceramic fiber or graphite, the inner diameter of the sealing washer (4) is the same as or slightly larger than the outer diameter of the conducting rod (1), the difference between the inner diameter and the outer diameter of the sealing washer (4) is equal to the width of the annular table surface (13), the insulating screw (2) is screwed into the second through hole (11) and presses the sealing washer, and the sealing washer deforms to hold the conducting rod (1) tightly.
5. The electricity guiding device as claimed in claim 1 or 4, wherein the insulating screw rod (2) is made of any one of ceramic, corundum and quartz.
6. The current lead device according to claim 1, characterized in that the inner diameter of the first through hole (10) is identical to or slightly larger than the outer diameter of the conductive rod (1); and/or
The inner diameters of the first through hole (10), the third through hole (12) and the sealing washer (4) are consistent, and when the insulation screw (2) is screwed into the second through hole (11), the first through hole (10) and the third through hole (12) are concentric.
7. The current lead device according to claim 1, characterized in that the bottom end of the conductive rod (1) is in contact with the stack electrode (9), the conductive rod (1) sequentially passes through the third through hole (12), the sealing gasket (4) and the first through hole (10) from bottom to top and extends to the outer side of the hot zone housing (7), and the third through hole (12), the sealing gasket (4) and the first through hole (10) are concentric.
8. An electrical lead-through device according to claim 1 or 2, characterized in that the insulating nut (3) is fixed to the hot zone housing (7) via a fixing plate (5).
9. The current lead device according to claim 8, wherein the fixing plate (5) is provided with a fastening hole (17) for placing on the annular flange step (16), the fixing plate is provided with a fourth through hole (14) for the bolt (6) to pass through, the hot zone housing is provided with a threaded hole corresponding to the fourth through hole (14), the bolt (6) is screwed into the fourth through hole (14) and the threaded hole of the hot zone housing, and the bolt (6) is tightened to fix the insulating nut on the hot zone housing.
10. An electric lead-through device as claimed in claim 2, characterized in that the bottom surface of the annular flange (15) is arranged to abut against the outer surface of the hot zone housing (7), and that an annular sealing gasket is arranged between the annular flange and the hot zone housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222306287.3U CN218731065U (en) | 2022-08-30 | 2022-08-30 | Electricity leading device of solid oxide fuel cell power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222306287.3U CN218731065U (en) | 2022-08-30 | 2022-08-30 | Electricity leading device of solid oxide fuel cell power generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218731065U true CN218731065U (en) | 2023-03-24 |
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ID=85631247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222306287.3U Active CN218731065U (en) | 2022-08-30 | 2022-08-30 | Electricity leading device of solid oxide fuel cell power generation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218731065U (en) |
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2022
- 2022-08-30 CN CN202222306287.3U patent/CN218731065U/en active Active
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