CN115875974A - Aluminum melting furnace capable of preventing heat loss - Google Patents

Abstract

The invention discloses an aluminum melting furnace capable of preventing heat loss, which comprises: melt aluminium stove main part, melt aluminium stove main part and include the furnace body, prevent heat loss roof layer and stove bottom layer, prevent that heat loss roof layer, stove bottom layer set up the upper and lower extreme at the furnace body respectively, are provided with the stove lining in the furnace body, and the front end of furnace body is provided with the furnace gate. The invention provides an aluminum melting furnace capable of preventing heat loss, which comprises an aluminum melting furnace main body, wherein the aluminum melting furnace main body comprises a furnace body, a heat loss prevention furnace top layer and a furnace bottom layer, the furnace bottom layer is arranged at the lower end of the furnace body, the heat loss prevention furnace top layer is arranged at the upper end of the furnace body, a furnace door is arranged at the front end of the furnace body, waste aluminum can be added through the furnace door, an inner space of the aluminum melting furnace main body is formed among the furnace body, the heat loss prevention furnace top layer and the furnace bottom layer, aluminum melting operation is carried out in the inner space of the aluminum melting furnace main body, the heat loss prevention furnace top layer has the function of preventing heat loss, the energy-saving effect is very obvious, and precious waste aluminum resources are saved.

Description

Aluminum melting furnace capable of preventing heat loss

Technical Field

The invention relates to the technical field of aluminum melting furnaces, in particular to an aluminum melting furnace capable of preventing heat loss.

Background

Many aluminum parts used as materials for automobiles, household electrical appliances, buildings and the like are manufactured by utilizing an aluminum casting device, an aluminum melting furnace is used for supplying aluminum melt to the aluminum casting device, the aluminum melting furnace is a novel high-efficiency energy-saving furnace developed according to an aluminum melting process, the aluminum melting furnace can well meet the requirements of strict alloy component requirements, discontinuous production, large single furnace capacity and the like in the aluminum melting process, the effects of reducing consumption, reducing burning loss, improving product quality, reducing labor intensity, improving labor conditions and improving production efficiency are achieved, the aluminum melting furnace is suitable for intermittent operation, and more alloy and scrap materials are melted, and the aluminum melting furnace in the prior art generally adopts sustainable development energy as fuel.

The chinese patent of prior application number 202222010207.X discloses an aluminium melting furnace that heat loss prevention, this technical scheme air-blower passes through the leading-in inside of melting aluminium furnace main part of heat conduction intake pipe with outside air when using, the hot-air after the burning rises, get into the blast pipe, the inside of flexible insulating tube and heat energy exchange pipe, the heat conduction intake pipe inlays in the inside of heat energy exchange pipe, when the hot-air gets into the inside of heat energy exchange pipe, the surface laminating of hot-air and heat conduction intake pipe, with the inside of heat conduction intake pipe, the leading-in aluminium furnace main part of melting of air in the rethread heat conduction intake pipe, avoid heat energy through burning after like waste gas discharge, energy saving consumption.

Further, as disclosed in the prior chinese patent application No. 202222010144.8, in use, a high temperature recovery device stores heat energy contained in dust before the dust generated by combustion is discharged, and the heat energy is transferred to the inside of the aluminum melting furnace body through a second connection pipe and is transferred to the inside of the aluminum melting furnace body again through an air blower, thereby circulating back and forth, and reducing the loss of heat energy.

The aluminum melting furnace in the technical scheme has the energy-saving effect by recycling the heat, but the aluminum melting furnace is far from insufficient by recycling the burning heat and needs to be further improved. Therefore, there is a need for an aluminum melting furnace that is resistant to heat loss to at least partially solve the problems of the prior art.

Disclosure of Invention

In this summary, concepts in a simplified form are introduced that are further described in the detailed description. The summary of the invention is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.

To at least partially solve the above problems, the present invention provides an aluminum melting furnace preventing heat loss, comprising:

melt aluminium stove main part, melt aluminium stove main part and include the furnace body, prevent heat loss furnace roof layer and stove bottom layer, prevent that heat loss furnace roof layer, stove bottom layer set up the upper and lower extreme at the furnace body respectively, be provided with the stove lining in the furnace body, the front end of furnace body is provided with the furnace gate.

According to the aluminum melting furnace capable of preventing heat loss, the heat loss prevention furnace top layer comprises a top plate mechanism and a plurality of heat loss prevention modules, the top plate mechanism is arranged at the upper end of a furnace body, a plurality of heat-resisting anchoring parts are arranged at the bottom of the top plate mechanism, the heat loss prevention modules are arranged at the lower ends of the heat-resisting anchoring parts and are in contact connection with one another, a reserved fire through hole is formed in the heat loss prevention furnace top layer, and a top-mounted heat accumulating type burner is arranged in the reserved fire through hole.

According to the aluminum melting furnace capable of preventing heat loss, the top plate mechanism comprises a supporting framework and a top plate body, the supporting framework is arranged at the upper end of the furnace body, the top plate body is arranged on the supporting framework, the supporting framework comprises a plurality of first supporting rod bodies, a plurality of second supporting rod bodies and a plurality of third supporting rod bodies, the plurality of first supporting rod bodies are arranged on the side wall of the furnace body, the plurality of second supporting rod bodies are uniformly distributed among the plurality of first supporting rod bodies, the plurality of third supporting rod bodies are uniformly distributed at the bottoms of the plurality of second supporting rod bodies, and the plurality of heat-resistant anchoring parts are arranged at the bottoms of the second supporting rod bodies at intervals.

According to the aluminum melting furnace capable of preventing heat loss, the furnace bottom layer comprises a first bottom plate layer, a second bottom plate layer and a furnace bottom fire-resistant layer, the first bottom plate layer is arranged in a bottom groove of a furnace body, the second bottom plate layer is arranged on the first bottom plate layer, an impermeable layer is arranged on the second bottom plate layer, and the furnace bottom fire-resistant layer is arranged on the impermeable layer.

According to the aluminum melting furnace capable of preventing heat loss, disclosed by the embodiment of the invention, the furnace lining layer comprises the hard plate, the heat insulation plate and the inner heat preservation layer, the hard plate is arranged on the side wall of the furnace body, the heat insulation plate is arranged on the hard plate, and the inner heat preservation layer is arranged on the heat insulation plate.

According to the aluminum melting furnace capable of preventing heat loss, the overhead heat accumulating type burner comprises a burner shell, an air reversing valve group and a flue gas reversing valve group, a heat accumulating chamber is arranged in the burner shell, a buffer chamber is arranged at the upper end of the heat accumulating chamber, a combustion chamber is arranged at the lower end of the heat accumulating chamber, the air reversing valve group and the flue gas reversing valve group are respectively installed on two sides of the buffer chamber, and a heat accumulator is arranged in the heat accumulating chamber.

According to the aluminum melting furnace capable of preventing heat loss, the air reversing valve group comprises a wafer type butterfly valve, a pneumatic actuator, a reversing electromagnetic valve and a silencer, the wafer type butterfly valve is arranged on one side of the upper end of a buffer chamber, the pneumatic actuator is arranged on the upper end of the wafer type butterfly valve, the reversing electromagnetic valve is arranged on the inner side of the wafer type butterfly valve, and the silencer is arranged on the upper end of the buffer chamber.

According to the aluminum melting furnace capable of preventing heat loss, the burner shell is provided with the fuel part, the fuel part comprises the ignition nozzle, the main fuel burner and the feeding part, the ignition nozzle and the main fuel burner penetrate through the burner shell and correspond to the combustion chamber, the feeding part comprises the valve body, the feeding pipe and the feeding joint module, the valve body is arranged at the outer end of the main fuel burner, and the feeding joint module is arranged between the valve body and the feeding pipe.

According to the aluminum melting furnace capable of preventing heat loss, the feed joint module comprises an intermediate support frame and an energy dissipation part, the energy dissipation part is arranged in the intermediate support frame, the intermediate support frame is connected with the valve body and the feed pipe through a valve end pipe and a material end pipe respectively, the energy dissipation part comprises an outer energy dissipation pipe group and an inner energy dissipation pipe group, the outer energy dissipation pipe group comprises two first end caps, a plurality of first inner hard support rings and a plurality of arc-shaped elastic rings, the first inner hard support rings are arranged between the two arc-shaped elastic rings, the first end caps are arranged at the outer ends of the arc-shaped elastic rings, an inner circumferential groove is formed in a cap cylinder of each first end cap, an inner gasket and a plurality of first springs are arranged in the inner circumferential groove, the plurality of first springs are located between the inner gasket and the inner wall of the inner circumferential groove, a lining dislocation ring is arranged at the outer ends of the first end caps, and the inner energy dissipation pipe group is movably arranged in the outer support frame and connected with the lining ring in a dislocation mode.

According to the aluminum melting furnace capable of preventing heat loss, the inner energy dissipation pipe group comprises a plurality of inner support rod bodies, a second inner support hard ring and two second end caps, an inner wing ring is arranged in the second inner support hard ring, a plurality of first inner holes are formed in the inner wing ring, the inner support rod bodies penetrate through the first inner holes, a plurality of second springs are arranged between two adjacent second inner support hard rings, the two second end caps are arranged at two ends of the inner support rod bodies, second inner holes corresponding to the inner support rod bodies are formed in the second end caps, second cap edges of the second end caps are located in the inner peripheral grooves and correspond to the inner gaskets, an inner fixing block is arranged at the outer end of each inner support rod body, and the inner fixing block extends into the fixing blind hole of the lining dislocation ring.

Compared with the prior art, the invention at least comprises the following beneficial effects:

the invention provides an aluminum melting furnace capable of preventing heat loss, which comprises an aluminum melting furnace main body, wherein the aluminum melting furnace main body comprises a furnace body, a heat loss prevention furnace top layer and a furnace bottom layer, the heat loss prevention furnace top layer and the furnace bottom layer are respectively arranged at the upper end and the lower end of the furnace body, a furnace lining layer is arranged in the furnace body, the furnace bottom layer is arranged at the lower end of the furnace body, the heat loss prevention furnace top layer is arranged at the upper end of the furnace body, a furnace door is arranged at the front end of the furnace body, waste aluminum can be added through the furnace door, further, an inner space of the aluminum melting furnace main body is formed among the furnace body, the heat loss prevention furnace top layer and the furnace bottom layer, aluminum melting operation is carried out in the inner space of the aluminum melting furnace main body, the heat loss prevention furnace top layer has a function of preventing heat loss, the energy saving effect is very obvious, precious waste aluminum resources are saved, and the cost of a project is reduced.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the present invention.

Fig. 2 is a schematic view of the internal structure of the present invention.

Fig. 3 is a schematic structural view of a reserved fire hole in the invention.

Fig. 4 is a schematic view showing an internal structure of the overhead heat accumulating type burner of the present invention.

Fig. 5 is a schematic view showing an external structure of an overhead heat accumulating type burner of the present invention.

FIG. 6 is a schematic view of the structure of the material supply part of the present invention.

FIG. 7 is a schematic view of the structure of a feed connection module according to the present invention.

Figure 8 is a schematic structural view of an outer energy dissipating pipe set in the present invention.

Figure 9 is a schematic view of part of the internal structure of an outer energy dissipating pipe set in accordance with the present invention.

Fig. 10 is a schematic structural view of an internal energy-dissipating tube group in the present invention.

FIG. 11 is a schematic view of an intermediate support frame according to the present invention.

FIG. 12 is a schematic view of a portion of the structure of the middle support frame of the present invention.

Fig. 13 is an enlarged view of a portion a of fig. 7 according to the present invention.

Fig. 14 is an enlarged structural view of the portion B in fig. 12 according to the present invention.

Fig. 15 is an enlarged view of the portion C of fig. 12 according to the present invention.

Detailed Description

The present invention is further described in detail below with reference to the drawings and examples so that those skilled in the art can practice the invention with reference to the description.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

As shown in fig. 1 to 5, the present invention provides an aluminum melting furnace capable of preventing heat loss, comprising: melt aluminium stove main part 100, this melt aluminium stove main part 100 includes furnace body 1, prevent heat loss furnace roof layer 2 and stove bottom 3, prevent heat loss furnace roof layer 2, stove bottom 3 sets up the last lower extreme at furnace body 1 respectively, be provided with stove lining 11 in the furnace body 1, wherein, the lower extreme at furnace body 1 is installed to stove bottom 3, prevent that heat loss furnace roof layer 2 installs the upper end at furnace body 1, furnace gate 12 is installed to the front end of furnace body 1, can add aluminium scrap through furnace gate 12, and then furnace body 1, prevent having constituted the inner space who melts aluminium stove main part 100 between heat loss furnace roof layer 2 and the stove bottom 3, melt the aluminium operation in the inner space of aluminium stove main part 100, prevent that heat loss furnace roof layer 2 has the function of preventing the loss of heat energy, energy-saving effect is very obvious, still practice thrift valuable aluminium scrap resource, reduce the cost of project.

Further, some embodiments of the present invention provide a heat loss prevention furnace roof 2 comprising a roof plate mechanism 21, a plurality of heat loss prevention modules 22, where the roof plate mechanism 21 is installed at the upper end of the side wall of the furnace body 1, a plurality of heat-resistant anchors are installed at the bottom of the roof plate mechanism 21, the heat loss prevention modules 22 are installed at the lower ends of the heat-resistant anchors, and the heat loss prevention modules 22 are connected in contact with each other, the heat loss prevention modules 22 are pre-formed by ceramic fiber roll blankets, wherein the external dimensions of the individual heat loss prevention modules 22 are compressed to 300 × 300mm, so that the whole roof plate mechanism 21 can form a compact whole by the expansion force of the heat loss prevention modules 22, and there are no through gaps, thereby playing a role of preventing heat flow and water, and achieving a remarkable energy saving effect; a plurality of reserved fire holes 23 are formed in the heat loss prevention furnace top layer 2, the reserved fire holes 23 penetrate through the top plate mechanism 21 and the heat loss prevention module 22 from top to bottom, the overhead heat accumulating type burners 4 are installed in the reserved fire holes 23, that is, the number of the overhead heat accumulating type burners 4 corresponds to the number of the reserved fire holes 23 one by one, so that a part of overhead heat accumulating type burners 4 are adopted to ignite and burn, and meanwhile, the other part of overhead heat accumulating type burners 4 are in a smoke exhaust mode. The overhead heat accumulating type burner 4 can recover and accumulate heat in the flue gas, and then the air supplied by the air reversing valve group 42 enters the overhead heat accumulating type burner 4 to form high-temperature combustion air, thereby being beneficial to improving the combustion efficiency of the fuel.

Further, the top plate mechanism 21 includes a supporting frame 211 and a top plate 212, the supporting frame 211 is installed at the upper end of the furnace body 1, the supporting frame 211 includes a plurality of first supporting rods 213, a plurality of second supporting rods 214 and a plurality of third supporting rods 215, the plurality of first supporting rods 213 are installed on the side wall of the furnace body 1, the plurality of second supporting rods 214 are uniformly distributed among the plurality of first supporting rods 213, the plurality of third supporting rods 215 are uniformly distributed at the bottom of the plurality of second supporting rods 214, and a plurality of heat-resistant anchors (not shown) are installed at the bottom of the second supporting rods 214 at intervals, and the supporting frame 211 lifts the plurality of heat-resistant anchors; the supporting framework 211 is used as a main supporting component of the furnace body 1, so that the top plate body 212 can be installed on the supporting framework 211, the supporting framework 211 provides a better support for the top plate body 212, and the top plate body 212 is supported by a steel plate so as to block the whole supporting framework 211.

Further, some embodiments of the present invention provide a specific structure of the hearth layer 3, and the hearth layer 3 of the structure includes a first hearth layer 31, a second hearth layer 32, and a hearth refractory layer 33, wherein the first hearth layer 31 is installed in the bottom groove 101 of the furnace body 1, the second hearth layer 32 is located on the first hearth layer 31, and the first and second hearth layers 31 and 32 are respectively provided with floating bead insulating bricks and hard calcium silicate plates to enhance the heat insulation performance of the hearth; furthermore, an impermeable layer 321 is arranged on the second bottom plate layer 32, the impermeable layer 321 is a whole impermeable layer made of impermeable refractory castable, the furnace bottom refractory layer 33 is arranged on the impermeable layer 321, and the furnace bottom refractory layer 33 is made of non-stick aluminum high-strength castable so as to reduce the adhesion of furnace slag to the furnace bottom and reduce the workload of furnace cleaning.

Further, some embodiments of the present invention further provide a specific structure of the furnace lining layer 11, the furnace lining layer 11 of the structure includes hard plates 12, heat insulation plates 13 and inner heat insulation layers 14, wherein the hard plates 12 are installed on the side walls 10 of the furnace body 1, the heat insulation plates 13 are installed on the hard plates 12, and the inner heat insulation layers 14 are installed on the heat insulation plates 13, wherein the side walls 10 of the furnace body 1 are made of steel plates with a thickness of 8mm, the hard plates 12 are made of ceramic fiber hard plates, the heat insulation plates 13 are built by floating bead heat insulation bricks, and the inner heat insulation layers 14 are made of calcium silicate plates, so that the whole furnace lining layer 11 of the above structure has a good heat insulation effect, and it is ensured that the temperature rise of the side walls of the furnace body 1 at the outer layer is less than 50 ℃.

Further, some embodiments of the present invention provide a specific structure of the overhead heat accumulating type burner 4, the overhead heat accumulating type burner 4 of the structure includes a burner housing 41, an air reversing valve group 42, and a flue gas reversing valve group 43, specifically, the burner housing 41 has a heat accumulating chamber 44 therein, the upper end of the heat accumulating chamber 44 has a buffer chamber 45, the lower end of the heat accumulating chamber 44 has a combustion chamber 46, where the air reversing valve group 42 and the flue gas reversing valve group 43 are respectively installed on two sides of the buffer chamber 45;

when the air-fired heat-accumulating type fuel gas burner works, the air reversing valve group 42 supplies air into the buffer chamber 45, the flue gas reversing valve group 43 is in a closed state, the air passes through the heat accumulator 441 filled in the heat accumulator 44, and the outside air passes through the heat accumulator 441 to form high-temperature combustion-supporting air, so that the combustion efficiency of the fuel is improved; then air switching-over valves 42 closes, and flue gas switching-over valves 43 opens, and the flue gas side that the fuel burning produced is siphoned away like this, and the flue gas of high temperature not only can heat the heat accumulator 441 after through the heat accumulator 441, and heat absorption heat-retaining of heat accumulator 441 like this reduces the temperature of flue gas, and this adsorbs the smoke and dust in the flue gas moreover for exhaust flue gas accords with the environmental emission requirement, reduces the pollution to the environment.

The heat accumulator 441 is a heat accumulation ball made of mullite, a ceramic honeycomb body and high-alumina solid ceramic.

Further, the air reversing valve set 42 includes a wafer type butterfly valve 421, a pneumatic actuator 422, a reversing solenoid valve 423, and a muffler 424, where the wafer type butterfly valve 421 is installed at one side of the upper end of the buffer chamber 45, the pneumatic actuator 422 is installed at the upper end of the wafer type butterfly valve 421, the reversing solenoid valve 423 is installed inside the wafer type butterfly valve 421, and the muffler 424 is at the upper end of the buffer chamber 45, so that when the pneumatic actuator 422 is started to operate, the wafer type butterfly valve 421 is opened, air enters the wafer type butterfly valve 421, then the reversing solenoid valve 423 starts, and air enters the buffer chamber 45 through the reversing solenoid valve 423, and in this process, the muffler 424 is in an operating state, so as to reduce noise during operation. Through the design of the structure, the air reversing valve group 42 can supply air into the overhead heat accumulating type burner 4, and the working efficiency of the overhead heat accumulating type burner 4 is greatly improved.

In the same way, the flue gas reversing valve group 43 and the air reversing valve group 42 adopt the same structure, and the flue gas can be conveniently discharged.

As shown in fig. 5 to 15, further, some embodiments of the present invention provide specific structures of the burner housing 41, where a fuel section 47 is installed on the burner housing 41, and fuel is supplied into the burner housing 41 through the fuel section 47 for combustion to melt aluminum;

the combustion part 47 comprises an ignition nozzle 48, a main fuel burner 49 and a feeding part 50, wherein the ignition nozzle 48 and the main fuel burner 49 penetrate through the burner shell 41 and correspond to the combustion chamber 46, the feeding part 50 comprises a valve body 51, a feeding pipe 52 and a feeding connector module 6, the valve body 51 is installed at the outer end of the main fuel burner 49, the feeding connector module 6 is installed between the valve body 51 and the feeding pipe 52, fuel is fed into the main fuel burner 49 through the feeding pipe 52, the feeding connector module 6 and the valve body 51, the ignition nozzle 48 provides a fire source, and the main fuel burner 49 is ignited to perform aluminum melting operation when spraying the fuel;

because a plurality of overhead heat accumulating type burners 4 are arranged on the furnace body 1 of the aluminum melting furnace for preventing heat loss, a part of overhead heat accumulating type burners 4 are adopted to ignite and burn in a working mode, and the other part of overhead heat accumulating type burners 4 are in a smoke exhaust mode. The main fuel burner 49 needs to be opened and closed without interruption, and the valve body 51 is used for achieving the purpose, but the fuel positioned in the feed pipe 52 and in the closed valve body 51 is subjected to large internal pressure, so that the fuel can be well dissipated through the feed joint module 6, and the feed pipe 52 is prevented from being damaged.

Further, the above-mentioned feed joint module 6 includes an intermediate support frame 61, a dissipater 62, wherein the dissipater 62 is installed in the intermediate support frame 61, and the intermediate support frame 61 is connected to the valve body 51 and the feed pipe 52 through the valve end pipe 53 and the material end pipe 54, respectively;

here, the energy dissipater 62 includes an outer energy dissipater group 63 and an inner energy dissipater group 64, and the outer energy dissipater group 63 includes two first end caps 631, a plurality of first inner hard supporting rings 632 and a plurality of arc elastic rings 633, the first inner hard supporting ring 632 is installed between the two arc elastic rings 633, the first end cap 631 is installed at the outer end of the arc elastic rings 633, an inner circumferential groove 634 is formed in the cap cylinder of the first end cap 631, an inner gasket 635 and a plurality of first springs 636 are installed in the inner circumferential groove 634, the plurality of first springs 636 are located between the inner gasket 635 and the inner wall of the inner circumferential groove 634, a lining offset ring 637 is installed at the outer end of the first end cap 631, and the inner energy dissipater group 64 is movably installed in the outer energy dissipater group 63 and connected with the lining offset ring 637; here, an installation space is provided for the inner energy dissipating pipe group 64 by the outer energy dissipating pipe group 63, wherein after the inner energy dissipating pipe group 64 dissipates a part of the impulsive force energy of the fuel, the arc elastic ring 633 can be expanded outward, and the first inner hard support ring 632 can bear a larger pressure, so that the outer energy dissipating pipe group 63 cooperates with the inner energy dissipating pipe group 64 at the initial stage of closing the valve body 51, accommodates a better fuel by expansion deformation, and reduces the impulsive energy of the subsequent fuel to the valve body 51 and the feed pipe 52.

Further, the above-mentioned inner energy dissipating pipe group 64 includes a plurality of inner supporting rods 641, a second inner supporting ring 642, and two second end caps 643, specifically, the second inner supporting ring 642 is installed in the first inner supporting ring 632 of the outer energy dissipating pipe group 63, and is slidably connected with the first inner supporting ring 632, an inner fin 644 is installed in the second inner supporting ring 642, in order to connect the plurality of second inner supporting rings 642, a plurality of first inner holes 645 are opened on the inner fin 644, and the inner supporting rods 641 are inserted into the first inner holes 645, so that the plurality of inner supporting rods 641 connect the plurality of second inner supporting rings 642 in series, and a plurality of second springs are installed between two adjacent second inner supporting rings 642, and two second end caps 643 are installed at two ends of the inner supporting rods 643, and a second end cap 643 is opened in the second end cap 643 corresponding to the inner supporting rod 641, a second inner hole 648 of the second end cap 643 is located in the groove 648, and corresponds to the outer end of the inner supporting ring 635, and a blind hole 649 is installed in the inner supporting ring and extends to the blind hole 649 of the fixing block 649.

Wherein, the inner fin ring 644 has holes, so that fuel can enter the valve body 51 through the holes, when the valve body 51 is closed, the fuel is gathered in the energy dissipation part 62, the inner fin ring 644 generates resistance to the fuel, so that the subsequent fuel cannot be easily fed forward, the impact force of the fuel mainly acts on the inner fin rings 644, so that the inner energy dissipation pipe group 64 can move in the outer energy dissipation pipe group 63, and then the inner energy dissipation pipe group 64 can return to the original position under the action of the second spring 646, the inner gasket 635, the first springs 636 and other components. After the inner energy dissipation pipe group 64 carries out preliminary energy dissipation of impact energy on fuel, the fuel impacts the arc elastic ring 633, and the arc elastic ring 633 is stressed and expanded so as to carry out subsequent energy dissipation on the impact energy of the fuel.

Further, the middle support frame 61 includes two outer fins 611, a plurality of outer lugs 612 and a plurality of outer support bars 613, wherein the energy dissipation part 62 is firmly fixed between the valve body 51 and the supply pipe 52 through the middle support frame 61, and the middle support frame 61 can be easily removed between the valve body 51 and the supply pipe 52, thereby improving the efficiency of subsequent maintenance.

The first brim of the first end cap 631 is provided with an outer fin ring 611, the outer fin ring 611 is provided with a plurality of outer lugs 612, an outer frame rod 613 is arranged between the corresponding outer lugs 612 on the two outer fin rings 611 in a penetrating manner, corresponding fasteners are arranged on two sides of the outer frame rod 613, the outer frame rod 613 is fixed on the outer lugs 612, and the length of the outer energy dissipation pipe group 63 is limited, so that the outer energy dissipation pipe group 63 avoids damaging the valve body 51 and the feeding pipe 52;

further, a plurality of inner extending blocks 614 are installed on the outer fin ring 611, inner extending holes 531 corresponding to the inner extending blocks 614 are respectively arranged on the valve end tube 53 and the material end tube 54, first inner blind holes 615 and second inner blind holes 616 are formed in the inner extending blocks 614, wherein the second inner blind holes 616 are located on one side of the first inner blind holes 615 and are communicated with each other, an inner fixing mechanism 65 is installed in the first inner blind holes 615, the intermediate support frame 61 is installed and fixed between the valve end tube 53 and the material end tube 54 through the inner fixing mechanism 65, wherein the inner fixing mechanism 65 comprises a third spring 651, a guide cylinder 652, a guide inner column 653 and an inner wedge block 654, the guide inner column 653 is installed at the inner end of the inner wedge block 654 and is located in the guide cylinder 652, the third spring 651 abuts against the bottom of the first inner blind hole 615 and is sleeved outside the guide cylinder 652 and the guide inner wedge block 654, and the inner wedge block 654 is supported by the inner wedge block 654, so that the inner wedge block 654 can extend into the inner wedge holes 531, and the inner extending holes 532 are fixed between the inner extending holes 532;

further, in order to conveniently take out the inner extension block 614 from the inner extension hole 531 again, an inner corner hole 659 is formed in the back surface of the inner wedge block 654, an auxiliary mechanism is correspondingly installed in the second inner blind hole 616, the auxiliary mechanism includes an angle top rod 655 and a fourth spring 656, the angle top rod 655 is installed in the second inner blind hole 616 in a penetrating manner, and is sleeved with the fourth spring 656, a first spring retainer ring 657 is installed at the outer end of the second inner blind hole 616, a second spring retainer ring 657 is arranged on the angle top rod 655, and the fourth spring 656 is used for pushing the second spring retainer ring (not shown) to push the angle top rod 655 outwards, so that the angle top rod 655 does not affect the inner wedge block 654; when the outer movable opening ring 658 is installed at the outer end of the angle mandril 655, the outer movable opening ring 658 abuts against the outer end of the angle mandril 655 to push the angle mandril 655 inwards, so that the inner end of the angle mandril 655 enters the inner angle hole 659 to push the inner wedge-shaped block 654 inwards, and the inner wedge-shaped block 654 is separated from the inner wedge-shaped hole 532, thereby realizing the function of re-taking the inner extension block 614 from the inner extension hole 531, facilitating the subsequent maintenance treatment, prolonging the service life and reducing the cost of the aluminum melting furnace.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

While embodiments of the invention have been disclosed above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.

Claims (10)

1. The utility model provides a prevent heat loss's aluminium melting furnace which characterized in that includes:

melt aluminium stove main part (100), melt aluminium stove main part (100) including furnace body (1), heat loss prevention roof layer (2) and stove bottom (3), heat loss prevention roof layer (2), stove bottom (3) set up the upper and lower end at furnace body (1) respectively, be provided with stove lining layer (11) in furnace body (1), the front end of furnace body (1) is provided with furnace gate (12).

2. The aluminum melting furnace preventing heat loss according to claim 1,

the heat loss prevention furnace top layer (2) comprises a top plate mechanism (21) and a plurality of heat loss prevention modules (22), the top plate mechanism (21) is arranged at the upper end of the furnace body (1), a plurality of heat-resisting anchoring parts are arranged at the bottom of the top plate mechanism (21), the heat loss prevention modules (22) are arranged at the lower ends of the heat-resisting anchoring parts and are connected in a mutual contact mode through the heat loss prevention modules (22), a reserved fire opening (23) is formed in the heat loss prevention furnace top layer (2), and an overhead heat accumulating type combustor (4) is arranged in the reserved fire opening (23).

3. The aluminum melting furnace preventing heat loss according to claim 2,

roof mechanism (21) is including supporting skeleton (211), the roof body (212), support skeleton (211) and set up the upper end at furnace body (1), the roof body (212) sets up on supporting skeleton (211), support skeleton (211) including a plurality of first support body of rod (213), a plurality of second support body of rod (214) and a plurality of third support body of rod (215), it is a plurality of first support body of rod (213) sets up on the lateral wall of furnace body (1), a plurality of second support body of rod (214) equipartition is between a plurality of first support body of rod (213), and is a plurality of third support body of rod (215) equipartition is in the bottom of a plurality of second support body of rod (214), and is a plurality of heat-resisting anchor assembly sets up the bottom at the second support body of rod (214) at interval.

4. The aluminum melting furnace preventing heat loss according to claim 1,

furnace bottom layer (3) include first bottom plate layer (31), second bottom plate layer (32) and stove bottom flame retardant coating (33), first bottom plate layer (31) set up in bottom recess (101) of furnace body (1), second bottom plate layer (32) set up on first bottom plate layer (31), be provided with on second bottom plate layer (32) prevention of seepage layer (321), stove bottom flame retardant coating (33) set up on prevention of seepage layer (321).

5. The aluminum melting furnace preventing heat loss according to claim 1,

the furnace lining layer (11) comprises a hard plate (12), a heat insulation board (13) and an inner heat insulation layer (14), wherein the hard plate (12) is arranged on the side wall of the furnace body (1), the heat insulation board (13) is arranged on the hard plate (12), and the inner heat insulation layer (14) is arranged on the heat insulation board (13).

6. The aluminum melting furnace preventing heat loss according to claim 1,

overhead type heat accumulation formula combustor (4) includes combustor shell (41), air switching-over valves (42), flue gas switching-over valves (43), be provided with regenerator (44) in combustor shell (41), the upper end of regenerator (44) is provided with buffer chamber (45), and the lower extreme is provided with combustion chamber (46), install respectively air switching-over valves (42), flue gas switching-over valves (43) buffer chamber (45) both sides, be provided with the heat accumulator in regenerator (44).

7. The aluminum melting furnace preventing heat loss according to claim 6,

air switching-over valves (42) are including wafer formula butterfly valve (421), pneumatic actuator (422), switching-over solenoid valve (423), silencer (424), wafer formula butterfly valve (421) set up in the upper end one side of surge chamber (45), pneumatic actuator (422) set up the upper end of wafer formula butterfly valve (421), switching-over solenoid valve (423) set up the inboard at wafer formula butterfly valve (421), silencer (424) set up the upper end of surge chamber (45).

8. The aluminum melting furnace preventing heat loss according to claim 6,

be provided with fuel portion (47) on combustor shell (41), fuel portion (47) include ignition nozzle (48), main fuel nozzle (49), feeding portion (50), ignition nozzle (48), main fuel nozzle (49) pass combustor shell (41) and correspond to in combustion chamber (46), feeding portion (50) include valve body (51), feed pipe (52) and feed joint module (6), valve body (51) set up the outer end at main fuel nozzle (49), feed joint module (6) set up between valve body (51), feed pipe (52).

9. The aluminum melting furnace preventing heat loss according to claim 8,

the feed joint module (6) comprises a middle support frame (61) and an energy dissipation part (62), wherein the energy dissipation part (62) is arranged in the middle support frame (61), the middle support frame (61) is respectively connected with the valve body (51) and the feed pipe (52) through a valve end pipe (53) and a material end pipe (54), the energy dissipation part (62) comprises an outer energy dissipation pipe group (63) and an inner energy dissipation pipe group (64), the outer energy dissipation pipe group (63) comprises two first end caps (631), a plurality of first inner hard supporting rings (632) and a plurality of arc elastic rings (633), the first inner hard supporting rings (632) are arranged between the two arc elastic rings (633), the first end caps (631) are arranged at the outer ends of the arc elastic rings (633), an inner circumferential groove (634) is arranged in the cap barrels of the first end caps (631), an inner circumferential gasket (635) and a plurality of first springs (636) are arranged in the inner circumferential groove (634), the plurality of first springs (636) are positioned between the inner circumferential gasket (635) and the inner wall of the inner circumferential groove (634), the first end caps (637) are movably connected with the outer end caps (637), and the inner end caps (637) are movably arranged in a dislocation connection.

10. The aluminum melting furnace preventing heat loss according to claim 9,

the inner energy-saving pipe group (64) comprises a plurality of inner supporting rod bodies (641), a second inner supporting hard ring (642) and two second end caps (643), wherein an inner fin ring (644) is arranged in the second inner supporting hard ring (642), a plurality of first inner holes (645) are formed in the inner fin ring (644), the inner supporting rod bodies (641) penetrate through the first inner holes (645), a plurality of second springs (646) are arranged between two adjacent second inner supporting hard rings (642), two second end caps (643) are arranged at two ends of the inner supporting rod bodies (641), second inner holes corresponding to the inner supporting rod bodies (641) are arranged in the second end caps (643), a second brim of each second end cap (643) is located in the inner peripheral groove (634) and corresponds to an inner gasket (635), an inner fixing block (649) is arranged at the outer end of each inner supporting rod body (641), and the inner fixing block (649) extends to a staggered blind hole of the inner supporting block retaining ring (637).

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