Product Description

PU-H255A High-pressure foam sprayer machine

Descrition:

   PU-H255A High-pressure foam sprayer machine

• Summarization:

PU-H255 high pressure foam sprayer machine is used widely in the field of furniture,electrical appliance( refrigerator,freezer and water heater etc insulation building materials,automobile decoration.It has the features of high-precision injection,average mixture and stable performance as well the high-efficiency.

Configuration and specifications for each components

1, components of the foam sprayer machine

2,Main Technical specifications

3,Configuration and specifications

3.1Tank unit

3．1．1

 250 L Polyol tank

Function:to stor the Polyol

·Working volume         250L

· Allowed working pressure    0.3MPa

· Max loading pressure    0.45MPa

·Cavity wall (with external thermal insulation layer)   thermostatical control

·1 piece of manual stop valve is installed on the point of output.the blowdown valve is installed on the base of tank

·1 set of material feeding system  and 1set of the mouth of pneumatic ball valve and 1 piece of single valve

· 1 set of  barrel mixture motor of raw material,power 0.75kw, rotating speed 47RPM

·One set of PT100 Platinum resistance temperature probe and controller

·One piece of jacket water safety valve,rated pressure 0.3Mpa

·One piece of tank safety valve,rated pressure 0.45Mpa to guarantee safety use

     ·One piece of Nitrogen valve；

·One piece of  Nitrogen pressure relief valve which is used  to relief the pressure while maintaining or stopping

3．1．2 250L polyisocyanate material tank

·working volume            250L

·Allowed working pressure    0.3MPa

· Max loading pressure    0.45MPa

·cavity wall with external temperature insulation layer and thermostatical control

2 stop valves are installed on the mouth of output

·1 piece of manual stop valve is installed on the point of output.the blowdown valve is installed on the base of tank

·1 set of material feeding system  and 1set of the mouth of pneumatic ball valve and 1 piece of single valve

· 1 set of  barrel mixture motor of raw material,power 0.75kw, rotating speed 47RPM

·One set of PT100 Platinum resistance temperature probe and controller

·One piece of jacket water safety valve,rated pressure 0.3Mpa

·One piece of tank safety valve,rated pressure 0.45Mpa to guarantee safety use

     ·One piece of Nitrogen valve；

·One piece of  Nitrogen pressure relief valve which is used  to relief the pressure while maintaining or stopping

3．2 components metering unit

3．2．1 polyol

 1 set of high-precision metering advice is installed on the machine frame and it is consist of 1) 1 piece of motor ,power 22kw,1460RPM and motor protection class IP154.  2) 1 set of non-leakage magnetic coupling. 3)high-pressure metering pump A2VK55

 1 set of pre-pressure control device which is used to prevent pump to being empty.the control pressure is set in 0.1Mpa.when the pre-pressure data is lower than the set data,the control system will send out the alarm indication   

 1 set of high pressure control device which is used to control the working pressure of compositions.the working pressure is set within 6--22Mpa.when pressure data over-exceeds , the equipment will stop to send out the alarm and display the information of malfunction that is over-lower or over higher

 The limit safety pressure for the composition metering pump is set in 25Mpa .the safety valve has the function of protecting to guarantee the safety of metering pump and system

3．2．2 polyisocyanate metering unit

  1 set of high-precision metering advice is installed on the machine frame and it is consist of 1) 1 piece of motor ,power 22kw,1460RPM and motor protection class IP154.  2) 1 set of non-leakage magnetic coupling. 3)high-pressure metering pump A2VK55

 1 set of pre-pressure control device which is used to prevent pump to being empty.the control pressure is set in 0.1Mpa.when the pre-pressure data is lower than the set data,the control system will send out the alarm indication   

 1 set of high pressure control device which is used to control the working pressure of compositions.the working pressure is set within 6--22Mpa.when pressure data over-exceeds , the equipment will stop to send out the alarm and display the information of malfunction that is over-lower or over higher

 The limit safety pressure for the composition metering pump is set in 25Mpa .the safety valve has the function of protecting to guarantee the safety of metering pump and system

3．3High-low pressure cycle exchange unit

The high-low cycle exchange unit controls the exchange of the high and low pressure and make it form low energy cycle

3．4 filter

    It is used to filter and that should be cleaned timely

3．5Mixture head

 It adopts the mixture theory of clean L-shape mixture head with needle-shaped spraying mouth  ,V shaped arrangement mouth and high pressure hit to guarantee mixture averagely

The mixture hear is installed on the hanging arm(0--180 degree jigging in order to inject the material.

The operation box has the high-low switch,press button for injection, the switch of station injection  and emergency stop button.

3．6hydraulic system

1 piece of tank which installs the hydraulic control parts ,the volume 80L

·hydraulic pump and driven motor,coupling (5.5kw motor,1400RPM)

·hydraulic pressure:100～200Bar adjustable

·accumulator 6.3L.pre-pressure 80bar

·oil condenser that is used for cooling oil and to guarantee the temperature ,in the hydraulic system,not excessive while working ((≤60℃)

·hydraulic manifold blocks.there are pressure increasing valve,safety valve and manual unloading valve.

· 1 piece of pressure meter showing the working pressure on the hydraulic system

·1 piece of returning filter with single-direction valve

·2 pieces of  Electromagnet for Magnetic Exchange Valves which is used to control on/off of the mixture head

·1 piece of NG6 solenoid which controls the testing unit of returning flow of polyisocyanate

3．7Electrical control system

3.7.1 we adopt the human-interactive operation which can set the injection time,testing time.pressure time and so on

3.7.2 We adopt the programmable controller which can control the whole foaming sprayer and make the metering,hydraulics,temperature control and raw material mixture and mixture head injection high efficient and reliable.

3.7.3  We adopt PID digital display temperature control to set the temperature of the 2 kinds of raw material tank freely according to the artistic requirements in order to control the material temperature constantly and display the data of PV and SV 

3.7.4 The system parameter can be operated on the menu and it has strong function of breakdown alarm the control system

    and it can show the testing point of breakdown information on the operation panel and sending out the voice of alarm .the machine can stop automatically.After the breakdown is solved out the machine can be restarted.

3.7.5  electrical control cabinet:

·Xinjie controller made in china

·Total power switch with tripping coil which is locked with      safety system .It can be off once it has alarm.

·All kinds of contactors and electric replays

·All kinds of switches and press buttons

·Control elements for mixture head

·control elements for testing

·Communicative interface connected with control system

·system software and controller program

Applications:

PU panels

Specifications:

3.7.6  Main technical specification of the electrical parts

3．8 Temperatur control system

Temperature control unit is used to control 2 kinds of raw material temperature to make it integration structure

·water cooling unit used to cool the water for cooling unit

·closed steel cover with movable wheel

·temperature control instrument

·Auto-display and malfunction control

·Water cycle pressure meter

·pressure meter for Refrigerant cycle

·controller

·The heating system is to heat A/B material ,4x4KW

3．9Tubular heater exchange

     The temperature control media( water) inside of which are installed on the returning pipeline of the stainless tubular heater exchange is connected with other units like cooling/heating unit in order to realize the adjustment of the material temperature

3．10pipeline system

The pipeline length(soft,hard and so on ) will be fixed on the user’s spot from the machine frame to the mixture head

3．11Main supporting frame of the machine

In order to transport easily and maintain,the frame is designed into platform used to support the metering ,hydraulic and material tank and returning flow test unit.

The hook is installed on the frame and installation panel on the ground         

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