Paraffin continuous shaping machine utilizes the temp-difference condensing device
Technical field
The present invention relates to a kind of application mode of natural cooling source, particularly utilize natural cooling source to replace ammonia refrigeration The Application of Technology mode in the paraffin continuous shaping machine production technology.
Background technology
-15 ℃ of liquefied ammonia that material liquid wax cooling procedure adopts refrigerator to provide mostly in the existing paraffin continuous shaping machine production technology are the cooling technology of refrigerant; Liquefied ammonia is transported to N finned evaporator in the paraffin continuous shaping machine cold house through pipeline; Evaporimeter is the rectangular box body formula; Above uncovered be cold air inlet with the corresponding junction of blower fan bellows, two centrifugal rotors are installed, respectively by the driven by motor that is fixed on the bellows side in the bellows; The bellows front is an air outlet, through the diffuser of air outlet cold wind is blown into the upper air duct of cold house during work; The following of evaporimeter is inlet box; Above uncovered corresponding connection with evaporimeter; The uncovered of front is that air inlet is corresponding with cold house's lower air duct; The cold wind that blower fan bellows outlets blows out during work is rolled over after upper air duct is pounced on cold house, opposite wall and is screwed into lower air duct and gets back to inlet box, is transported to the cold house through evaporator cools by last bellows rotor again and circulates repeatedly, makes cold house's temperature remain the setting index.Owing to need a whole set of high-power refrigerator assembly cover, and the unit auxiliary facility is many in the whole technical process, and so there are many problems: floor space is big, and power consumption is big, the operating cost height; The temperature difference is big in the cold house, and evaporimeter is prone to frosting influences operating efficiency; Equipment purchasing and maintenance cost are relatively more expensive.
Summary of the invention
The objective of the invention is through a kind of application mode of utilizing natural cooling source is provided; Paraffin continuous shaping machine utilizes the temp-difference condensing device; Replace ammonia refrigeration technological lower season at natural temperature; Realize that the massive paraffin continuous forming machine adopts the natural cooling source cooling technology, and then guarantee continuous, the efficient operation of massive paraffin continuous forming machine.
The present invention takes following concrete technical scheme: cold air circulating system such as the apparatus main body structure mainly comprises air draught Rose Box, inlet air air collecting box, blower fan, air-out air channel, air-out air collecting box, air draft Rose Box, organize Electric air valve and check-valves more, non-return valve, relief valve, filter, and wind-warm syndrome, intelligent wind pressure analog control system.Said air draught filter is mounted in the device of the outer cold wind of outdoor suction chamber; Comprise the low efficient filter and the medium effeciency filter that are installed in the gas inlet; Casing is on the top of agent structure; Outlet is passed through one group of Electric air valve with corresponding inlet air air collecting box end face and is connected with check-valves, sends the inlet air air collecting box according to expense to after with the outdoor cold air filtration during work.Said inlet air air collecting box; Outlet is communicated with parallel docking with the former blower fan back side; The lower end is through installing one group of non-return valve, electric control valve and the air-out air collecting box is vertical is connected; The air quantity that recycles from the cold house in the suction air-out air collecting box through the electric control valve timely and appropriate discovery during work is used to regulate the wind pushing temperature of sending into the cold house.Said air-out air collecting box, inlet and the parallel connection in former air channel, one group of extensive filter, check-valves, relief valve are installed in the junction, outlet and the parallel connection of air draft Rose Box, its integral body is in the bottom of agent structure.Through low efficient filter the intensification wind of discharging in the cold house is filtered during work, prevent that the wax bits that go out with the wind from getting into the inlet air air collecting box, is communicated with the air draft Rose Box through check-valves, relief valve, and then guarantees the service pressure of cold house's cold wind.Said air draft Rose Box parallelly with the air-out air collecting box is mounted on outdoorly, and low efficient filter is installed in its exit, and the foreign material of the wind that is used for preventing that the cold house from discharging are put in the atmosphere, and its wind speed is regulated through relief valve.Said blower fan is to utilize original blower fan apparatus, and its bellows back side is communicated with the inlet air air collecting box, and the rotor that starts during work in the fan electromotor drive bellows is sent into cold wind in the cold house by setting revolution, and blower motor is by frequency control.The air-intaking box that said air-return duct is below the evaporimeter is opened its back side and the parallel connection of air-out air collecting box; Because of air-return duct is uncovered the connection below evaporimeter; For preventing that cold house's cold wind from getting into evaporimeter; One group of Electric air valve is installed below evaporimeter, when utilizing natural wind, is closed this valve, when utilizing ammonia refrigeration, open this valve.System is controlled in said artificial intelligence; Be through difference setting pressure sensor, differential pressure pickup in air draught Rose Box porch; At blower fan outlet, return air inlet, air-out air collecting box, air draft air collecting box difference setting pressure sensor and temperature sensor, differential pressure pickup; Overall process detects the subsystem of wind-warm syndrome, blast, this formation paraffin continuous shaping machine control system of system thus, installs concentratedly and in same switch board, agrees to coordinate, and can operate separately.
Paraffin continuous shaping machine utilizes the temp-difference condensing device, comprises blower fan, cooling recirculation system that cooler is formed and artificial intelligence control system; The blower fan outlet air end connects cooling chamber, and air intake connects air collecting box, and Electric air valve is installed in the cooler bottom; Air collecting box Electric air valve and air collecting box check-valves are installed in the air collecting box middle part, and air collecting box separates, and top is the air-supply air collecting box; The bottom is the air draft air collecting box, and the air collecting box Electric air valve is regulated the air quantity that sucks blower fan, regulates the wind pushing temperature air-supply air collecting box of sending into cooling chamber the air-supply Electric air valve is installed; The air-supply check-valves, the powered air-purifying case is used to into outdoor cold wind; The air draft air collecting box is installed the first air draft Electric air valve; The first air draft check-valves, the air draft Rose Box is used to discharge the intensification air behind the cooling paraffin; The air draft air collecting box is installed the second air draft Electric air valve side by side; The second air draft check-valves also is provided with relief valve and is communicated with outdoor, is used to guarantee the service pressure of cooling chamber; Cooling chamber temperature sensor and cooling chamber pressure sensor are installed in the cooling chamber, its outer installation environment temperature sensor, the air draft air collecting box is installed air collecting box temperature sensor and air draft air collecting box pressure sensor.Said powered air-purifying case is installed air-supply low efficient filter and air-supply medium effeciency filter away from air-supply Electric air valve one side; The air-supply low efficient filter is communicated with outdoor; And the low efficient filter differential pressure pickup is set, the air-supply medium effeciency filter is provided with the medium effeciency filter differential pressure pickup; Said air draft Rose Box is installed the air draft low efficient filter away from the second air draft Electric air valve, one side, and the air draft differential pressure pickup is set.Said cooling chamber pressure sensor, air draft air collecting box pressure sensor are connected with artificial intelligence control system, detect and the adjustment operating pressure; Medium effeciency filter differential pressure pickup, low efficient filter differential pressure pickup, air draft differential pressure pickup are connected with artificial intelligence control system, detect the working condition of filter, and care and maintenance is carried out in prompting; Environment temperature sensor, cooling chamber temperature sensor, air collecting box temperature sensor are connected with artificial intelligence control system, detect EAT, mixed ventilation temperature, return air temperature; Artificial intelligence control system connects blower fan, the first air draft Electric air valve, the second air draft Electric air valve; Relief valve, air collecting box Electric air valve, Electric air valve; Adjust the aperture of each Electric air valve and the rotating speed of blower fan, outside the control room with the intake of return air, constant wind pushing temperature.
After adopting such scheme; Compared with prior art have following beneficial effect: winter subzero 5 the degree weather more for a long time; Abundant natural cooling resource is arranged, and under the situation that guarantees operate as normal, can make full use of outdoor cold air is that paraffin carries out cooling forming.Be no less than 110 days at the weather that is lower than 0 ℃, the ammonia machine electrical power is 260kw, calculates by rate of load condensate 85%, and then 110 days savable electric weight are 583440kw.Practiced thrift a large amount of energy, reduced production cost, reduced the use wearing and tearing of ammonia machine, the maintenance cost of cooling recirculation system and artificial intelligence control system is cheap.Flexibility is more outstanding in the use, can switch at any time with the refrigerator system according to this device of outdoor temperature, and then guarantee that the paraffin cooling procedure do not interrupt.
Description of drawings
Fig. 1 utilizes the structural representation of temp-difference condensing device for paraffin continuous shaping machine.
Among the figure: 1a, air-supply Electric air valve, 1b, air-supply check-valves, 1.1, blower fan, 1.2, cooler; 2.1, the air-supply air collecting box, 2.2, the air draft air collecting box, 2a, the first air draft Electric air valve, 2b, the first air draft check-valves; 3.1, the powered air-purifying case, 3.2 air draft Rose Boxes, 3a, the second air draft Electric air valve, 3b, the second air draft check-valves; 3c, relief valve, 4, cooling chamber, 4a, air collecting box Electric air valve, 4b, air collecting box check-valves; 5, Electric air valve, 6, the air-supply low efficient filter, 7, the air-supply medium effeciency filter, 8, the air draft low efficient filter; 9.1, the cooling chamber pressure sensor, 9.2, air draft air collecting box pressure sensor, 9.3, the medium effeciency filter differential pressure pickup, 9.4, the low efficient filter differential pressure pickup; 9.5, the air draft differential pressure pickup, 10.1, environment temperature sensor, 10.2, the cooling chamber temperature sensor, 10.3, the air collecting box temperature sensor.
The specific embodiment
Utilize the structure of temp-difference condensing device for understanding paraffin continuous shaping machine in depth, explain as follows in conjunction with Fig. 1:
Paraffin continuous shaping machine utilizes the temp-difference condensing device to comprise blower fan 1.1, cooling recirculation system that cooler 1.2 is formed and artificial intelligence control system, and blower fan 1.1 outlet air ends connect cooling chamber 4; Air intake connects air collecting box, and Electric air valve 5 is installed in cooler 1.2 bottoms, and air collecting box Electric air valve 4a and air collecting box check-valves 4b are installed in the air collecting box middle part; Air collecting box separates, and top is air-supply air collecting box 2.1, and the bottom is an air draft air collecting box 2.2; Air collecting box Electric air valve 4a regulates the air quantity that sucks blower fan 1.1, regulates the wind pushing temperature air-supply air collecting box 2.1 of sending into cooling chamber 4 and air-supply Electric air valve 1a is installed, air-supply check-valves 1b; Powered air-purifying case 3.1 is used to into outdoor cold wind; Air draft air collecting box 2.2 is installed the first air draft Electric air valve 2a; The first air draft check-valves 2b, air draft Rose Box 3.2 is used to discharge the intensification air behind the cooling paraffin; Air draft air collecting box 2.2 is installed the second air draft Electric air valve 3a side by side; The second air draft check-valves 3b also is provided with relief valve 3c and is communicated with outdoor, is used to guarantee the service pressure of cooling chamber; Cooling chamber temperature sensor 10.2 and cooling chamber pressure sensor 9.1 are installed in the cooling chamber 4, its outer installation environment temperature sensor 10.1, air draft air collecting box 2.2 is installed air collecting box temperature sensor 10.3 and air draft air collecting box pressure sensor 9.2.Said powered air-purifying case 3.1 is installed air-supply low efficient filter 6 and air-supply medium effeciency filter 7 away from air-supply Electric air valve 1a one side; Air-supply low efficient filter 6 is communicated with outdoor; And low efficient filter differential pressure pickup 9.4 is set, air-supply medium effeciency filter 7 is provided with medium effeciency filter differential pressure pickup 9.3; Said air draft Rose Box 3.2 is installed air draft low efficient filter 8 away from the second air draft Electric air valve 3a, one side, and air draft differential pressure pickup 9.5 is set.Said cooling chamber pressure sensor 9.1, air draft air collecting box pressure sensor 9.2 are connected with artificial intelligence control system, detect and the adjustment operating pressure; Medium effeciency filter differential pressure pickup 9.3, low efficient filter differential pressure pickup 9.4, air draft differential pressure pickup 9.5 are connected with artificial intelligence control system, detect the working condition of filter, and care and maintenance is carried out in prompting; Environment temperature sensor 10.1, cooling chamber temperature sensor 10.2, air collecting box temperature sensor 10.3 are connected with artificial intelligence control system, detect EAT, mixed ventilation temperature, return air temperature; Artificial intelligence control system connects blower fan 1.1, the first air draft Electric air valve 2a, the second air draft Electric air valve 3a; Relief valve 3c, air collecting box Electric air valve 4a, Electric air valve 5; Adjust the aperture of each Electric air valve and the rotating speed of blower fan, outside the control room with the intake of return air, constant wind pushing temperature.
When detecting outdoor temperature, environment temperature sensor 10.1 is lower than-5 ℃; Transmit signal to the control room; Manual or the cold main frame of nonstick system of control stops the desire row, and the blower fan 1.1 of cool cycles works on, and closes Electric air valve 5; Open air-supply Electric air valve 1a, the first air draft Electric air valve 2a, the second air draft Electric air valve 3a, air collecting box Electric air valve 4a simultaneously; Regulate air-supply Electric air valve 1a, air collecting box Electric air valve 4a according to the mixed ventilation of setting, open amount and the rotating speed of blower fan 1.1, reach the purpose of constant temperature air-supply cooling paraffin.
Pressure in cooling chamber pressure sensor 9.1 detection cases in the cooling chamber 4; With pressure signal control fan operation rotating speed; Be not higher than setting pressure, when the pressure signal of cooling chamber 4 and air collecting box is unusual, can notify the operator on duty to check maintenance through warning system.Medium effeciency filter differential pressure pickup 9.3, low efficient filter differential pressure pickup 9.4, air draft differential pressure pickup 9.5 detect the dust obstruction amount of filter, regularly carry out the replacing of filter.Air-flow when check-valves is used to prevent work flows backwards.
More for a long time, have abundant natural cooling resource at the weather of subzero 5 degree winter, guaranteeing that can make full use of outdoor cold air is that paraffin carries out cooling forming under the situation of operate as normal.Be no less than 110 days at the weather that is lower than 0 ℃, the ammonia machine electrical power is 260kw, calculates by rate of load condensate 85%, and then 110 days savable electric weight are 583440kw.Practiced thrift a large amount of energy, reduced production cost, reduced the use wearing and tearing of ammonia machine, the maintenance cost of cooling recirculation system and artificial intelligence control system is cheap.