Boom screed chemical sprayer system for paving

1. A boom screed machine including a chemical spray system, comprising:

a platform assembly;

a boom configured to extend and retract, the boom being coupled to the platform assembly;

a vertical column coupled to an end of the boom;

a plow head crossbar coupled to the vertical column;

a plow head coupled to the plow head crossbar, the plow head configured to smooth and level wet concrete when the boom is extended;

at least one tank implemented in or on the platform assembly;

a pump implemented in or on the platform assembly;

platform assembly tubing connecting the tank to the pump;

a pressure regulating valve connected to the platform assembly tubing, the pressure regulating valve configured to control a rate of a flow through the platform assembly tubing;

a chemical spray fluid hose coupled to the platform assembly tubing, the chemical spray fluid hose passing through the boom;

a reel system implemented in the boom and configured to accommodate the chemical spray fluid hose;

plow head crossbar tubing mounted to the plow head crossbar and coupled to the chemical spray fluid hose;

a solenoid valve connected to the plow head crossbar tubing, the solenoid valve configured to open and close a flow through the plow head crossbar tubing; and

at least one spray head coupled to the plow head crossbar tubing and configured to spray chemical spray fluid onto level and smooth wet concrete,

wherein the pump is configured to receive the chemical spray fluid and pump the chemical spray fluid through the platform assembly tubing, the chemical spray fluid hose, the plow head crossbar tubing, and the at least one spray head when the solenoid valve is open and the pump is activated.

2. The boom screed machine including the chemical spray system of claim 1 , further comprising:

a camera configured to capture video of wet concrete in front of the plow head; and

a display communicatively coupled to the camera, the display configured to present the video to an operator of the boom screed machine.

3. The boom screed machine including the chemical spray system of claim 2 , wherein camera is mounted to the vertical column.

4. The boom screed machine including the chemical spray system of claim 1 , further comprising:

an operator seat mounted on the platform assembly,

wherein the pressure regulating valve is implemented as a pressure reducing needle valve, wherein the pressure reducing needle valve is located within 2 meters of the operator seat.

5. The boom screed machine including the chemical spray system of claim 1 , wherein the pressure regulating valve is implemented as a pressure regulating control valve.

6. The boom screed machine including the chemical spray system of claim 1 , wherein that at least one spray head comprises at least two spray heads, wherein the at least two spray heads are configured to spray the chemical spray fluid onto the level and smooth wet concrete with a coverage spanning a width of the level and smooth wet concrete.

7. The boom screed machine including the chemical spray system of claim 1 , further comprising:

a first relay;

a pump user input device coupled to the first relay, the pump user input device configured to activate and deactivate the pump;

a second relay; and

a spray user input device coupled to the second relay, the spray user input device configured to open and close the solenoid valve,

wherein the chemical spray system is configured to spray the chemical spray fluid through the at least one spray head when the solenoid valve is open and the pump is activated.

8. The boom screed machine including the chemical spray system of claim 1 , further comprising:

a first relay;

a second relay; and

at least one user input device coupled to the first relay and the second relay, the at least one user input device configured to activate and deactivate the pump and configured to open and close the solenoid valve,

wherein the chemical spray system is configured to spray the chemical spray fluid through the at least one spray head when the solenoid valve is open and the pump is activated.

9. The boom screed machine including the chemical spray system of claim 1 , further comprising:

a control system configured to control operation of the chemical spray system.

10. The boom screed machine including the chemical spray system of claim 9 , wherein the control system comprises a controller configured to:

activate and deactivate the pump; and

open and close the solenoid valve,

wherein the chemical spray system is configured to spray the chemical spray fluid through the at least one spray head when the solenoid valve is open and the pump is activated.

11. The boom screed machine including the chemical spray system of claim 10 , wherein the controller is further configured to:

activate the pump when the boom is retracting; and

open the solenoid valve when the boom is retracting,

wherein the chemical spray system is configured to spray the chemical spray fluid through the at least one spray head when the boom is retracting.

12. The boom screed machine including the chemical spray system of claim 11 , wherein the controller is further configured to:

deactivate the pump when the boom is extending; and

close the solenoid valve when the boom is extending.

13. The boom screed machine including the chemical spray system of claim 11 , wherein the control system is configured to operate in an automatic mode and a manual mode.

14. The boom screed machine including the chemical spray system of claim 1 , further comprising a mixing valve, wherein the at least one tank comprises at least two tanks including a water tank configured to store water and a chemical spray component solution tank configured to store concentrated chemical spray component solution, wherein the mixing valve is configured to mix the water and the concentrated chemical spray component solution into the chemical spray fluid.

15. The boom screed machine including the chemical spray system of claim 1 , wherein the chemical spray fluid is an evaporation retardant.

16. The boom screed machine including the chemical spray system of claim 1 , wherein the each of the at least one spray head is adjustable to change an aim of each of the at least one spray head.

17. The boom screed machine including the chemical spray system of claim 1 , further comprising:

at least one motorized actuator, each of the at least one motorized actuator configured to adjust an aim of one of the at least one spray head.