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A solid and liquid separation device, comprising: a housing, the housing having an inlet, a solid outlet and a liquid outlet, the liquid outlet located in a lower portion of the housing; a screen located within the housing, the screen positioned above the liquid outlet at an inclined angle, wherein

A solid and liquid separation device, comprising: a housing, the housing having an inlet, a solid outlet and a liquid outlet, the liquid outlet located in a lower portion of the housing; a screen located within the housing, the screen positioned above the liquid outlet at an inclined angle, wherein a lower end of the screen is directly below the inlet; a conveying assembly, mounted in the housing located above the screen, and including two rotation shafts co-operating with two drive members, a plurality of connecting rods mounted between the two drive chains, each drive chain comprising at least one longitudinally flexible link, each connecting rod including a scraper, the scraper capable of contacting the screen for driving solids toward an upper end of the screen; and, a squeeze assembly, including a cylinder for supporting solids falling from the upper end of the screen, the cylinder provided with a threaded rod that is configured to be driven to rotate by a power member, the threaded rod capable of outputting the solids toward the solid outlet.

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1. A solid and liquid separation device, comprising:(a) a housing, the housing having an inlet, a solid outlet and a liquid outlet, the liquid outlet located in a lower portion of the housing; (b) a screen located within the housing, the screen positioned above the liquid outlet at an inclined angle

1. A solid and liquid separation device, comprising:(a) a housing, the housing having an inlet, a solid outlet and a liquid outlet, the liquid outlet located in a lower portion of the housing; (b) a screen located within the housing, the screen positioned above the liquid outlet at an inclined angle, wherein a lower end of the screen is directly below the inlet; (c) a conveying assembly, mounted in the housing located above the screen, and including two rotation shafts cooperating with two drive members, at least one of the rotation shafts connected to the housing by two tension assemblies, a plurality of connecting rods mounted between the two drive members, each connecting rod including a scraper, the scraper capable of contacting the screen for driving solids toward an upper end of the screen; and, (d) a squeeze assembly, including a trough for supporting solids falling from the upper end of the screen, the trough provided with an auger that is configured to be driven to rotate by a power member, the auger capable of outputting the solids toward the solid outlet. 2. The solid and liquid separation device of claim 1 wherein each tension assembly comprises a spring.3. The solid and liquid separation device of claim 1 wherein each tension assembly comprises an adjustment screw.4. The solid and liquid separation device of claim 1 wherein each tension assembly comprises a spring and an adjustment screw.5. The solid and liquid separation device of claim 1 wherein the power member is capable of driving the auger at a plurality of different speeds of rotation.6. The solid and liquid separation device of claim 1 further comprising a brushing assembly mounted in the housing located below the screen, the brushing assembly comprising two rotation shafts co-operating with two drive members, a plurality of connecting rods mounted between the two drive members, each connecting rod including a brush, the brush configured to remove solid components of material caught in the screen.7. A solid and liquid separation device, comprising:(a) a housing, the housing having an inlet, a solid outlet and a liquid outlet, the liquid outlet located in a lower portion of the housing; (b) a screen located within the housing, the screen positioned above the liquid outlet at an inclined angle, wherein a lower end of the screen is directly below the inlet; (c) a conveying assembly, mounted in the housing located above the screen, and including two rotation shafts co-operating with two drive members, a plurality of connecting rods mounted between the two drive members, each connecting rod including a scraper, the scraper capable of contacting the screen for driving solids toward an upper end of the screen; (d) a squeeze assembly, including a trough for supporting solids falling from the upper end of the screen, the trough provided with an auger that is configured to be driven to rotate by a power member, the auger capable of outputting the solids toward the solid outlet; (e) a plurality of nozzles arranged for spraying liquid toward a top of the screen and toward the squeeze assembly; (f) a sensor configured to produce an output signal indicative of whether material is being introduced into the housing through the inlet; and, (g) a control panel configured to receive the output signal from the sensor, the control panel connected to activate the plurality of nozzles when the output signal indicates that no material has been introduced into the housing through the inlet for a predetermined period of time. 8. The solid and liquid separation device of claim 7 wherein at least one of the rotation shafts is connected to the housing by two tension assemblies.9. The solid and liquid separation device of claim 8 wherein each tension assembly comprises a spring.10. The solid and liquid separation device of claim 8 wherein each tension assembly comprises an adjustment screw.11. The solid and liquid separation device of claim 8 wherein each tension assembly comprises a spring and an adjustment screw.12. The solid and liquid separation device of claim 7 wherein the housing is provided with doors that may be opened and closed, for assembling, dismantling and maintenance of parts in the housing.13. The solid and liquid separation device of claim 7 further comprising a heater mounted in the housing above the conveying assembly.14. The solid and liquid separation device of claim 7 wherein the housing is provided with an overflow outlet, so that excessive material introduced into the housing through the inlet may be drawn out, and may be introduced again through the inlet.15. The solid and liquid separation device of claim 7 wherein the housing comprises a generally V-shaped floor, and wherein the liquid outlet is located at the bottom of the generally V-shaped floor.16. The solid and liquid separation device of claim 7 wherein the auger comprises a tapered end portion.17. The solid and liquid separation device of claim 16 wherein the tapered end portion extends out of the housing through the solid outlet.18. The solid and liquid separation device of claim 17 further comprising an auger cap attached to the housing, the auger cap positioned over the tapered end.19. The solid and liquid separation device of claim 18 wherein the auger cap comprises a truncated conical screen fitted around the tapered end.20. The solid and liquid separation device of claim 18 wherein the auger cap comprises a solid discharge chute.21. The solid and liquid separation device of claim 7 wherein the power member is capable of driving the auger at a plurality of different speeds of rotation.22. The solid and liquid separation device of claim 7 further comprising a brushing assembly mounted in the housing located below the screen, the brushing assembly comprising two rotation shafts co-operating with two drive members, a plurality of connecting rods mounted between the two drive members, each connecting rod including a brush, the brush configured to remove solid components of material caught in the screen.