Plate fastener for an electrostatic precipitator cell
View Patent ↗A plate fastener for an electrostatic precipitator cell is provided according to an embodiment of the invention. The plate fastener includes a fastener shaft including a head. The fastener shaft extends through the electrostatic precipitator cell. The head is adapted to retain a first end plate of the electrostatic precipitator cell. The plate fastener further includes a plurality of spacers configured to fit onto the fastener shaft. A spacer of the plurality of spacers is adapted to be positioned between successive polarity plates of a plurality of plates of the electrostatic precipitator cell. The plate fastener further includes a one-way shaft retainer configured to affix to the fastener shaft. The one-way shaft retainer is adapted to retain a second end plate of the electrostatic precipitator cell. The plate fastener affixes the plurality of plates together into a set of spaced-apart plates.
1. A plate fastener for an electrostatic precipitator cell, the collection plate fastener comprising:
a fastener shaft including a head, with the fastener shaft extending through the electrostatic precipitator cell and with the head being adapted to retain a first end plate of the electrostatic precipitator cell;
a plurality of spacers configured to fit onto the fastener shaft, with a spacer of the plurality of spacers being adapted to be positioned between successive polarity plates of a plurality of plates of the electrostatic precipitator cell; and
a one-way shaft retainer configured to affix to the fastener shaft, with the one-way shaft retainer being adapted to retain a second end plate of the electrostatic precipitator cell, wherein the plate fastener affixes the plurality of plates together into a set of spaced-apart plates.
2. The plate fastener of claim 1 , with the one-way shaft retainer being configured to removably affix to the fastener shaft.
3. The plate fastener of claim 1 , further comprising a deformable spacer adapted to be positioned between an end plate and an adjacent spacer.
4. The plate fastener of claim 1 , further comprising a deformable spacer adapted to be positioned between an end plate and an adjacent spacer, with the deformable spacer comprising a wave washer.
5. The plate fastener of claim 1 , further comprising a deformable spacer adapted to be positioned between an end plate and an adjacent spacer, with the deformable spacer comprising a bowed disc.
6. The plate fastener of claim 1 , with the plate fastener comprising a collection plate fastener.
7. The plate fastener of claim 1 , with the plate fastener comprising a charge plate fastener.
8. The plate fastener of claim 1 , with the plate fastener comprising a charge plate fastener, and with the charge plate fastener further comprising:
a first end cap adapted to contact a first end plate of the electrostatic precipitator cell and configured to receive the head of the fastener shaft; and
a second end cap adapted to contact a second end plate of the electrostatic precipitator cell and configured to receive the one-way shaft retainer, with the first and second end caps being formed of an electrical insulator material.
9. A collection plate fastener for an electrostatic precipitator cell, the collection plate fastener comprising:
a fastener shaft including a head, with the fastener shaft extending through the electrostatic precipitator cell and with the head being adapted to contact a first end collection plate of the electrostatic precipitator cell;
a plurality of collection plate spacers configured to fit onto the fastener shaft, with a collection plate spacer of the plurality of collection plate spacers being adapted to be positioned between two adjacent collection plates of a plurality of collection plates of the electrostatic precipitator cell; and
a one-way shaft retainer configured to affix to the fastener shaft, with the one-way shaft retainer being adapted to contact a second end collection plate of the electrostatic precipitator cell, wherein the collection plate fastener affixes the plurality of collection plates together into a set of spaced-apart collection plates.
10. The collection plate fastener of claim 9 , with the one-way shaft retainer being configured to removably affix to the fastener shaft.
11. The collection plate fastener of claim 9 , further comprising a deformable spacer adapted to be positioned between an end collection plate and an adjacent spacer.
12. The collection plate fastener of claim 9 , further comprising a deformable spacer adapted to be positioned between an end collection plate and an adjacent spacer, with the deformable spacer comprising a wave washer.
13. The collection plate fastener of claim 9 , further comprising a deformable spacer adapted to be positioned between an end collection plate and an adjacent spacer, with the deformable spacer comprising a bowed disc.
14. A charge plate fastener for an electrostatic precipitator cell, the charge plate fastener comprising:
a first end cap adapted to contact a first end collection plate of the electrostatic precipitator cell;
a second end cap adapted to contact a second end collection plate of the electrostatic precipitator cell, with the first and second end caps being formed of an electrical insulator material;
a fastener shaft including a head, with the fastener shaft extending through the electrostatic precipitator cell and with the head fitting to the first end cap;
a plurality of charge plate spacers configured to fit onto the fastener shaft, with a charge plate spacer of the plurality of charge plate spacers being positioned between two adjacent charge plates of a plurality of charge plates of the electrostatic precipitator cell; and
a one-way shaft retainer configured to affix to the fastener shaft, with the one-way shaft retainer fitting to the second end cap, wherein the charge plate fastener affixes the plurality of charge plates together into a set of spaced-apart charge plates.
15. The charge plate fastener of claim 14 , with the one-way shaft retainer being configured to removably affix to the fastener shaft.
16. The charge plate fastener of claim 14 , further comprising a deformable spacer adapted to be positioned between an end collection plate and an adjacent spacer.
17. The charge plate fastener of claim 14 , further comprising a deformable spacer adapted to be positioned between an end collection plate and an adjacent spacer, with the deformable spacer comprising a wave washer.
18. The charge plate fastener of claim 14 , further comprising a deformable spacer adapted to be positioned between an end collection plate and an adjacent spacer, with the deformable spacer comprising a bowed disc.
19. An electrostatic precipitator cell, comprising:
two or more collection plates arranged in a substantially parallel fashion and including first and second end collection plates;
one or more charge plates arranged in a substantially parallel fashion and interleaved between the two or more collection plates;
one or more collection plate fasteners extending through the electrostatic precipitator cell between the first and second end collection plates, with a collection plate fastener of the one or more collection plate fasteners comprising:
a collection plate fastener shaft including a head, with the collection plate fastener shaft extending through the electrostatic precipitator cell and with the head being adapted to contact the first end collection plate of the electrostatic precipitator cell;
a plurality of collection plate spacers configured to fit onto the collection plate fastener shaft, with a collection plate spacer of the plurality of collection plate spacers being adapted to be positioned between two adjacent collection plates of a plurality of collection plates of the electrostatic precipitator cell; and
a one-way shaft retainer configured to affix to the collection plate fastener shaft, with the one-way shaft retainer being adapted to contact the second end collection plate of the electrostatic precipitator cell, wherein the collection plate fastener affixes the plurality of collection plates together into a set of spaced-apart collection plates; and
one or more charge plate fasteners extending through the electrostatic precipitator cell between the first and second end collection plates, with a charge plate fastener of the one or more charge plate fasteners comprising:
a first end cap adapted to contact a first end collection plate of the electrostatic precipitator cell;
a second end cap adapted to contact the second end collection plate, with the first and second end caps being formed of an electrical insulator material;
a charge plate fastener shaft including a head, with the charge plate fastener shaft extending through the electrostatic precipitator cell and with the head fitting to the first end cap;
a plurality of charge plate spacers configured to fit onto the charge plate fastener shaft, with a charge plate spacer of the plurality of charge plate spacers being positioned between two adjacent charge plates of a plurality of charge plates of the electrostatic precipitator cell; and
a one-way shaft retainer configured to affix to the charge plate fastener shaft, with the one-way shaft retainer fitting to the second end cap, wherein the charge plate fastener affixes the plurality of charge plates together into a set of spaced-apart charge plates.
20. The electrostatic precipitator cell of claim 19 , with the one-way shaft retainer being configured to removably affix to the fastener shaft.
21. The electrostatic precipitator cell of claim 19 , further comprising a deformable spacer adapted to be positioned between an end collection plate and an adjacent spacer.
22. The electrostatic precipitator cell of claim 19 , further comprising a deformable spacer adapted to be positioned between an end collection plate and an adjacent spacer, with the deformable spacer comprising a wave washer.
23. The electrostatic precipitator cell of claim 19 , further comprising a deformable spacer adapted to be positioned between an end collection plate and an adjacent spacer, with the deformable spacer comprising a bowed disc.