CN205332823U - Melt multistage energy -conserving manufacturing system of aluminium stove - Google Patents

Abstract

The utility model provides a melt multistage energy -conserving manufacturing system of aluminium stove, is including melting aluminium stove, ultrasonic atomization oil supply unit and high temperature flue gas retrieval and utilization device, ultrasonic atomization oil supply unit is including a jar body, atomizing array, three -way pipe and centrifugal fan, the atomizing array is located the bottom of the jar body, the top of jar body is equipped with the gas outlet, is equipped with air inlet and oil inlet on the jar is personally experienced sth. Part of the body, the three -way pipe is equipped with first connector, second connector and third connector, and the first connector and jar gas outlet of the body of three -way pipe are connected, and the second connector of three -way pipe is connected with centrifugal fan's air inlet end, and the third connector of three -way pipe forms the air intake, centrifugal fan's air -out end communicates with the furnace who melts the aluminium stove through the connecting pipe. Based on ultrasonic atomization fuel technique, better control the fuel delivery, satisfy the smelting process calorific requirement, entire system solves big, the big scheduling problem of energy consumption of metal smelting trade used heat fume emission volume.

Description

Aluminium melting furnace multi-stage, energy-saving manufactures system

Technical field

This utility model relates to aluminium melting furnace, and especially aluminium melting furnace multi-stage, energy-saving manufactures system。

Background technology

State is the first in the world great Lv country of consumption, and national big and small aluminium melting furnace is ten hundreds of, but ubiquity energy utilization rate is low, the problem that cost is high。And for the most aluminium melting furnace of China, the heat taken away from the flue gas of discharge constitutes about total the 40% ~ 60% of heat that inputs, and its exhaust gas temperature is mostly higher than 600 DEG C, belongs to middle high-temperature residual heat resource。In addition seven ministries and commissions such as National Energy Board, National Development and Reform Committee, Chinese Ministry of Environmental Protection combine issue " coal-fired aluminium melting furnace energy-conserving and environment-protective comprehensively promote engineering construction scheme " and are planned for 2018, promote 500,000 tons of highly effective aluminium-melting stove, eliminate and fall behind coal-fired aluminium melting furnace 400,000 tons, complete the task of reducing energy consumption 400,000 tons。The problem that the discharge amount of exhaust gas of traditional aluminium melting furnace is big, energy consumption is high can not get effective solution always, and therefore aluminium melting furnace is irresistible towards intellectuality, high energy saving High efficient Revamp。

Summary of the invention

Technical problem to be solved in the utility model is to provide a kind of aluminium melting furnace multi-stage, energy-saving and manufactures system, solves the problem that discharge amount of exhaust gas is big, energy consumption is high of traditional aluminium melting furnace。

For solving above-mentioned technical problem, the technical solution of the utility model is: a kind of aluminium melting furnace multi-stage, energy-saving manufactures system, including aluminium melting furnace, ultrasonic atomization fueller and high-temperature flue gas reclamation set；Described ultrasonic atomization fueller includes tank body, atomization array, tee T and centrifugal blower, and described atomization array is located at the bottom of described tank body, and the top of tank body is provided with gas outlet, and tank body is provided with air inlet and oil-in；Described tee T is provided with the first connector, the second connector and the 3rd connector, and the first connector of tee T is connected with the gas outlet of tank body, and the second connector of tee T is connected with the air intake of centrifugal blower, and the 3rd connector of tee T forms air inlet；The outlet air end of described centrifugal blower is connected with the burner hearth of aluminium melting furnace by connecting tube。Fuel oil enters tank body from oil-in, and when fuel oil covers atomization array certain distance, namely fuel oil is atomized into fine particle and naturally swims in tank body；The gas outlet of tank body is connected with tee T, the residue two ends of tee T tap into air port and centrifugal blower respectively, air with mist of oil is sucked into centrifugal blower together with the air that the gas outlet entrance threeway of atomization assembly enters with suction opeing, mix homogeneously gradually under the stirring of centrifugal blower fan blade wheel, and squeeze in smelting furnace under the effect of negative pressure and to burn, thus improving the result of reaction efficiency。

As improvement, described atomization array is made up of some atomising heads。

As improvement, described air inlet and oil-in are arranged on the side of tank body。

As improvement, described air inlet is connected with air inlet pipe, and described air inlet pipe is provided with non-return valve and air valve。

As improvement, it is provided with in described tank body and controls the liquid level sensor of fuel liquid level height in tank body。

As improvement, described tank body tapers into from can body to gas outlet diameter。

As improvement, described high-temperature flue gas reclamation set includes heat smoke air exhauster, mixing chamber and high-temperature flue gas pipe, one end of high-temperature flue gas pipe connects with the burner hearth of aluminium melting furnace, and the other end is connected with mixing chamber gas returning port by heat smoke air exhauster, and the gas outlet of mixing chamber connects with the burner hearth of aluminium melting furnace。It is adjusted by the rotating speed of variable-frequency heat smoke air exhauster, extract in the burner hearth of aluminium melting furnace 600 DEG C of high-temperature flue gas to hybrid chamber, high-temperature flue gas is directly mixed into the high-temperature gas mixture of 1020 DEG C and is injected directly into the burner hearth of aluminium melting furnace with fuel combustion at hybrid chamber, heating aluminium ingot and aluminum liquid, make aluminum can continue to melt。This technology adjusts cigarette system to control based on frequency conversion, stability and high efficiency ground is directly by high-temperature flue gas reuse, it is to avoid the waste of traditional waste heat recovery transformation process, and protects aluminum metal finished product by the burning of rare oxygen, improves the utilization rate of heat energy, reduces fuel consumption。

This utility model is compared with prior art had the benefit that

Under adjusting cigarette system to control based on frequency conversion, high-temperature flue gas is recycled on stability and high efficiency ground；Based on ultrasonic atomization liquid fuel technology, better control fuel delivery, meet fusion process institute calorific requirement。Whole system solves the problems such as metal smelt industry waste heat flue gas discharge capacity is big, energy consumption is big。

Accompanying drawing explanation

Fig. 1 is this utility model overall structure schematic diagram I。

Fig. 2 is this utility model overall structure schematic diagram II。

Fig. 3 is ultrasonic atomization assembly structure schematic diagram。

Fig. 4 is ultrasonic atomization fueller internal structure schematic diagram。

Detailed description of the invention

Below in conjunction with Figure of description, the utility model is described in further detail。

As it is shown in figure 1, a kind of aluminium melting furnace multi-stage, energy-saving manufactures system, including aluminium melting furnace 2, ultrasonic atomization fueller 1, high-temperature flue gas reclamation set 4 and Internet of Things network control system。

As shown in Figure 3,4, described ultrasonic atomization fueller 1 includes ultrasonic atomization assembly 11 and fueller 12, and described ultrasonic atomization assembly 11 includes tank body 111 and atomization array 117, and described fueller 12 includes tee T 122 and centrifugal blower 121。Described atomization array 117 is located at the bottom of described tank body 111, and described atomization array 117 is made up of some atomising heads；Tank body 111 is cylindrical, and the top of tank body 111 is provided with gas outlet 114, and described tank body 111 114 diameters from can body to gas outlet taper into；The side of tank body 111 is provided with air inlet 112 and oil-in 113, and described air inlet 112 is connected with air inlet pipe, and described air inlet pipe is provided with non-return valve 116 and air valve 115；It is provided with in described tank body 111 and controls the liquid level sensor 118 of fuel liquid level height in tank body 111。Described tee T 122 is provided with the first connector the 1222, second connector and the 3rd connector 1221, first connector 1222 of tee T 122 is connected with the gas outlet 114 of tank body 111, second connector of tee T 122 is connected with the air intake of centrifugal blower 121, and the 3rd connector 1221 of tee T 122 forms air inlet；The outlet air end of described centrifugal blower 121 is connected with the burner hearth of aluminium melting furnace 2 by connecting tube 3。Fuel oil enters tank body 111 from oil-in 113, and when fuel oil covers atomization array 117 certain distance, namely fuel oil is atomized into fine particle and naturally swims in tank body 111；The gas outlet 114 of tank body 111 is connected with tee T 122, the residue two ends of tee T 122 tap into air port and centrifugal blower 121 respectively, with mist of oil air from atomization assembly gas outlet 114 enter the air that threeway enters with suction opeing together be sucked into centrifugal blower 121, mix homogeneously gradually under the stirring of centrifugal blower 121 impeller, and squeeze in smelting furnace under the effect of negative pressure and to burn, thus improving the result of reaction efficiency。

As shown in Figure 2, described high-temperature flue gas reclamation set 4 includes heat smoke air exhauster 42, mixing chamber 43 and high-temperature flue gas pipe 41, one end of high-temperature flue gas pipe 41 connects with the burner hearth of aluminium melting furnace 2, the other end is connected with mixing chamber 43 gas returning port by heat smoke air exhauster 42, and the gas outlet 114 of mixing chamber 43 connects with the burner hearth of aluminium melting furnace 2。It is adjusted by the rotating speed of variable-frequency heat smoke air exhauster 42, extract in the burner hearth of aluminium melting furnace 2 600 DEG C of high-temperature flue gas to hybrid chamber, high-temperature flue gas is directly mixed into the high-temperature gas mixture of 1020 DEG C and is injected directly into the burner hearth of aluminium melting furnace 2 with fuel combustion at hybrid chamber, heating aluminium ingot and aluminum liquid, make aluminum can continue to melt。This technology adjusts cigarette system to control based on frequency conversion, stability and high efficiency ground is directly by high-temperature flue gas reuse, it is to avoid the waste of traditional waste heat recovery transformation process, and protects aluminum metal finished product by the burning of rare oxygen, improves the utilization rate of heat energy, reduces fuel consumption。

Internet of Things network control system is made up of with hardware two large divisions software。Hardware system is by WRN220 temperature sensor, anemobiagraph, variable-frequency hot cigarette air exhauster, variable-frequency cold air blower, ultrasonic atomization oil gun, composition of air analyser, LUGB deep fat flow transducer, 12864 LCDs, the gsm module of SIM900A, USB turns serial ports, 89C52 single-chip microcomputer, Du Pont's line composition。Software system by TCP debugging assistant, the software sharing that network programming is write。Native system have employed Internet of Things Monitoring and control system, gsm module transmission is utilized to realize monitoring in real time, whole aluminium melting furnace 2 operating condition can be drawn by the data gathered being carried out cloud computing, the aluminium block condition of production, and then make action control oil inlet quantity, flue gas reuse amount and smoke discharge amount, it is possible to the production process of aluminium melting furnace 2 is made precisely。

Heat recovery technology of the present utility model is compared with common heat recovery technology: under (1) adjusts cigarette system to control based on frequency conversion, and high-temperature flue gas is recycled on stability and high efficiency ground；(2) based on ultrasonic atomization liquid fuel technology, better control fuel delivery, meet fusion process institute calorific requirement；(3) based under Internet of Things data computational analysis, aluminium melting furnace 2 burnt and melts the monitoring of situation, controlling the atomized fuel amount of feeding and high-temperature flue gas yield in real time, reduce aluminum manufacturing cost, it is achieved wisdom manufacture, benefit manufacture。

Current atmospheric pollution is serious, the phenomenon such as haze, acid rain constantly occurs, have a strong impact on the orthobiosis of people, healthy to people makes a big impact, native system can solve the problems such as metal smelt industry waste heat flue gas discharge capacity is big, energy consumption is big, and design and cost of manufacture is low, it is possible to accepted by vast enterprise。Applied by this project implementation, for reducing the discharge of waste heat flue gas and reducing energy loss, play key effect, and the cost analysis of relevant industries can be provided for enterprise, raw material is made to dock with production technology, reduce the production cost of enterprise, implement the pattern of wisdom factory, be the great practicing to China's industry 4.0 concepts。

Claims (7)

1.A kind of aluminium melting furnace multi-stage, energy-saving manufactures system, it is characterised in that: include aluminium melting furnace, ultrasonic atomization fueller and high-temperature flue gas reclamation set；Described ultrasonic atomization fueller includes tank body, atomization array, tee T and centrifugal blower, and described atomization array is located at the bottom of described tank body, and the top of tank body is provided with gas outlet, and tank body is provided with air inlet and oil-in；Described tee T is provided with the first connector, the second connector and the 3rd connector, and the first connector of tee T is connected with the gas outlet of tank body, and the second connector of tee T is connected with the air intake of centrifugal blower, and the 3rd connector of tee T forms air inlet；The outlet air end of described centrifugal blower is connected with the burner hearth of aluminium melting furnace by connecting tube。

2.Aluminium melting furnace multi-stage, energy-saving according to claim 1 manufactures system, it is characterised in that: described atomization array is made up of some atomising heads。

3.Aluminium melting furnace multi-stage, energy-saving according to claim 1 manufactures system, it is characterised in that: described air inlet and oil-in are arranged on the side of tank body。

4.Aluminium melting furnace multi-stage, energy-saving according to claim 1 manufactures system, it is characterised in that: described air inlet is connected with air inlet pipe, and described air inlet pipe is provided with non-return valve and air valve。

5.Aluminium melting furnace multi-stage, energy-saving according to claim 1 manufactures system, it is characterised in that: it is provided with in described tank body and controls the liquid level sensor of fuel liquid level height in tank body。

6.Aluminium melting furnace multi-stage, energy-saving according to claim 1 manufactures system, it is characterised in that: described tank body tapers into from can body to gas outlet diameter。

7.Aluminium melting furnace multi-stage, energy-saving according to claim 1 manufactures system, it is characterized in that: described high-temperature flue gas reclamation set includes heat smoke air exhauster, mixing chamber and high-temperature flue gas pipe, one end of high-temperature flue gas pipe connects with the burner hearth of aluminium melting furnace, the other end is connected with mixing chamber gas returning port by heat smoke air exhauster, and the gas outlet of mixing chamber connects with the burner hearth of aluminium melting furnace。