Combustion-supporting air rapid heating system of bauxite calcining furnace

Abstract

The utility model provides a bauxite calcining furnace combustion-supporting air rapid heating system which comprises a calcining furnace body and an industrial combustor, a combustion-supporting assembly is arranged on the left side of the industrial combustor, a supporting assembly is arranged at the bottom of the industrial combustor, and by starting an industrial oxygen generator, the industrial oxygen generator can work to produce high-oxygen-content air; then, the speed regulating fan works according to the required rotating speed, so that the speed regulating fan can blow high-oxygen-content air produced by the industrial oxygen generator into the industrial combustor through the connecting pipe, the one-way valve, the air inlet elbow and the auxiliary air inlet end in sequence to support combustion of the industrial combustor, and the temperature of the industrial combustor is increased quickly; the vibration noise generated when the industrial oxygen generator works can be reduced, meanwhile, the vibration noise generated when the industrial combustor works can be reduced through a second vibration stopping pad, and the vibration noise generated when the industrial oxygen generator and the industrial combustor work can be reduced through a third vibration stopping pad by avoiding resonance noise generated between the fixing base and the ground.

Description

TECHNICAL FIELD

[0001] The utility model relates to the bauxite calcining furnace combustion support technical field, concretely is a kind of bauxite calcining furnace combustion support wind rapid heating system. BACKGROUND

[0002] ‌Bauxite calcining furnace‌It is a kind of equipment specially used for calcining bauxite, mainly used for manufacturing various high alumina bricks, and these high alumina bricks are widely used in metallurgical industry and other industries, and bauxite calcining furnace usually adopts rotary kiln equipment, mainly including rotary part, supporting part, transmission device, kiln head cover, kiln head kiln tail seal and combustion device etc.

[0003] But the combustion device in the prior art's‌Bauxite calcining furnace does not have corresponding combustion support structure to carry out rapid heating combustion, so the combustion device is slow in temperature rising speed and long in heating time in initial start-up use process, thereby affecting the calcining efficiency of the‌Bauxite calcining furnace, and the vibration noise generated by the existing combustion device when working is also relatively large, and the surrounding workers can be affected in hearing under these vibration noises for a long time. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of bauxite calcining furnace combustion support wind rapid heating system to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of bauxite calcining furnace combustion support wind rapid heating system, including calcining furnace body, furnace door, combustion nozzle and industrial burner, the furnace door is installed at the rear end of the calcining furnace body, the combustion nozzle is inserted in the middle position of the front end surface of the calcining furnace body, the industrial burner is installed at the front end of the combustion nozzle, the combustion support assembly is arranged on the left side of the industrial burner, and the combustion support assembly is used to combustion support industrial burner and make it rapid heating, the support assembly is arranged in the bottom of the industrial burner, and the support assembly is used to support industrial burner and combustion support assembly.

[0007] Preferably, the combustion support assembly includes intake elbow, check valve, connecting pipe, speed-regulating fan, outlet pipe and industrial oxygen generator, the industrial oxygen generator is installed on the left side of the industrial burner, the outlet pipe is connected to the outlet end of the upper end surface of the industrial oxygen generator, the speed-regulating fan is connected to the right end outlet of the outlet pipe, the connecting pipe is connected to the right end surface outlet of the speed-regulating fan, the check valve is connected to the right end of the connecting pipe, and the intake elbow is connected to the right end outlet of the check valve.

[0008] Preferably, the support assembly includes a support base, a first shock-absorbing pad, a support seat, a fixed seat and a second shock-absorbing pad. A support base is installed under the industrial burner. The lower end face of the support base is fixedly connected to the support seat, the bottom of the support seat is fixedly connected to the fixed seat, the left side of the upper end face of the support base is fixedly connected to the first shock-absorbing pad, and the right side of the upper end face of the support base is fixedly connected to the second shock-absorbing pad.

[0009] Preferably, a first buffer lining is provided inside the first shock-absorbing pad, and the material of the first buffer lining is sponge rubber; a second buffer lining is provided inside the second shock-absorbing pad, and the material of the second buffer lining is sponge rubber.

[0010] Preferably, a first through hole is provided inside the first anti-vibration pad, and the material of the first anti-vibration pad is a damping pad; a second through hole is provided inside the second anti-vibration pad, and the material of the second anti-vibration pad is a damping pad.

[0011] Preferably, a third vibration-absorbing pad is fixedly connected to the bottom of the fixing seat, and the material of the third vibration-absorbing pad is a damping pad.

[0012] Preferably, a main air inlet end is provided on the side of the industrial burner, a secondary air inlet end is provided on the top of the industrial burner, and the furnace door is an openable and closable structure.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. By starting the industrial oxygen generator, the industrial oxygen generator can be made to produce air with high oxygen content. Then, the speed-regulating fan can be made to work at the required speed. The speed-regulating fan can blow the high-oxygen-content air produced by the industrial oxygen generator through the connecting pipe, the one-way valve, the air intake elbow and the auxiliary air intake end to the interior of the industrial burner to assist combustion and quickly heat it up, thereby ensuring the calcination efficiency of the calciner body.

[0015] 2. By fixedly connecting the first anti-vibration pad, the vibration noise of the industrial oxygen generator during operation can be reduced. At the same time, the second anti-vibration pad can reduce the vibration noise of the industrial burner during operation. The third anti-vibration pad can avoid resonance noise between the fixed base and the ground, thereby reducing the vibration noise of the industrial oxygen generator and the industrial burner during operation, and avoiding excessive vibration noise affecting the hearing health of surrounding workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0017] Figure 2 This is a structural diagram of the combustion-supporting component and the supporting component in the present utility model;

[0018] Figure 3It is the structure diagram of the support assembly in the utility model;

[0019] Figure 4 It is the structure diagram of the combustion-supporting assembly in the utility model;

[0020] Figure 5 It is Figure 3 The enlarged view of A in the middle.

[0021] In the figure: 1, calcining furnace body; 2, furnace door; 3, combustion nozzle; 4, combustion-supporting assembly; 41, air inlet elbow; 42, one-way valve; 43, connecting pipe; 44, speed-regulating fan; 45, air outlet pipe; 46, industrial oxygen generator; 5, industrial burner; 51, main air inlet end; 52, auxiliary air inlet end; 6, support assembly; 61, support base plate; 62, first shock-absorbing pad; 621, first through hole; 63, support seat; 64, fixing seat; 65, second shock-absorbing pad; 651, second through hole; 66, first buffer lining piece; 67, second buffer lining piece; 68, third shock-absorbing pad. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Please refer to Figures 1-5 The utility model provides a technical scheme:

[0024] Embodiment one:

[0025] A bauxite calcining furnace combustion-supporting air rapid heating system, including calcining furnace body 1, furnace door 2, combustion nozzle 3 and industrial burner 5, the rear end of calcining furnace body 1 is installed with furnace door 2, and furnace door 2 is a structure that can be opened and closed. The openable and closable furnace door 2 not only facilitates workers to put the bauxite to be calcined into the inside of calcining furnace body 1, but also facilitates workers to take out the calcined bauxite in the inside of calcining furnace body 1. Since the internal detailed structure and working principle of calcining furnace body 1 are relatively mature technologies in the prior art, they are not described in detail here. The middle position of the front end face of calcining furnace body 1 is inserted with combustion nozzle 3, and combustion nozzle 3 is gap-fitted with calcining furnace body 1. The front end of combustion nozzle 3 is installed with industrial burner 5. Industrial burner 5 can spray fire into the inside of calcining furnace body 1 to heat when working. Since the internal detailed structure and working principle of industrial burner 5 are relatively mature technologies in the prior art, they are not described in detail here.

[0026] The industrial burner 5 is provided with a main air inlet end 51 on the side, the main air inlet end 51 facilitates the industrial burner 5 to enter the external air into the inside for work, the industrial burner 5 is provided with a secondary air inlet end 52 on the top, the secondary air inlet end 52 is communicated with the air inlet elbow 41, the secondary air inlet end 52 facilitates the air inlet elbow 41 to guide the air with high oxygen content into the inside of the industrial burner 5 for combustion support, the industrial burner 5 is provided with a combustion support assembly 4 on the left side, and the combustion support assembly 4 is used for combustion support of the industrial burner 5 to make it quickly warm up, so as to improve the heating efficiency of the industrial burner 5, the industrial burner 5 is provided with a supporting assembly 6 at the bottom, and the supporting assembly 6 is used for supporting the industrial burner 5 and the combustion support assembly 4, and the industrial burner 5 and the calcining furnace body 1 are connected with the external control panel through wires.

[0027] The combustion support assembly 4 comprises an air inlet elbow 41, a one-way valve 42, a connecting pipe 43, a speed regulating fan 44, an air outlet pipe 45 and an industrial oxygen generator 46, the industrial oxygen generator 46 is installed on the left side of the industrial burner 5, and the industrial oxygen generator 46 is connected with the external control panel through wires, the industrial oxygen generator 46 can manufacture air with high oxygen content when working, since the internal detailed structure and working principle of the industrial oxygen generator 46 belong to relatively mature technology in the prior art, therefore, it is not described in detail here, the air outlet pipe 45 is connected with the outlet end of the upper end face of the industrial oxygen generator 46, and the air outlet pipe 45 facilitates the speed regulating fan 44 to suck the air with high oxygen content manufactured by the industrial oxygen generator 46.

[0028] The speed regulating fan 44 is connected with the outlet of the right end face of the air outlet pipe 45, the speed regulating fan 44 is connected with the external fan frequency converter through wires, the speed regulating fan 44 not only actively blows the air with high oxygen content manufactured by the industrial oxygen generator 46 into the connecting pipe 43 when working, but also facilitates the staff to adjust the speed according to the needs, so that it works at the required speed, the connecting pipe 43 is connected with the outlet of the right end face of the speed regulating fan 44, the connecting pipe 43 can guide the air blown by the speed regulating fan 44 into the one-way valve 42, the one-way valve 42 is connected with the right end of the connecting pipe 43, the one-way valve 42 not only guides the air in the connecting pipe 43 into the air inlet elbow 41, but also avoids the air in the air inlet elbow 41 from flowing back to the connecting pipe 43, the air inlet elbow 41 is connected with the outlet of the right end of the one-way valve 42, and the air inlet elbow 41 can guide the air with high oxygen content into the secondary air inlet end 52.

[0029] Example two:

[0030] On the basis of embodiment one, in this embodiment, the first shock pad 62 is fixedly connected, which can reduce the vibration noise of the industrial oxygen generator 46 during operation, and the second shock pad 65 can reduce the vibration noise of the industrial burner 5 during operation, and the third shock pad 68 can avoid resonance noise between the fixed seat 64 and the ground, thereby reducing the vibration noise of the industrial oxygen generator 46 and the industrial burner 5 during operation.

[0031] The support assembly 6 comprises a support base plate 61, a first shock pad 62, a support seat 63, a fixed seat 64 and a second shock pad 65. The support base plate 61 is installed below the industrial burner 5. The support base plate 61 can support the industrial oxygen generator 46 and the industrial burner 5 through the first shock pad 62 and the second shock pad 65 respectively. The support base plate 61 is fixedly connected with the support seat 63 at the lower end surface. The support seat 63 can support the support base plate 61. The support seat 63 is fixedly connected with the fixed seat 64 at the bottom. The fixed seat 64 is fixed to the ground at a specified position by external expansion bolts. The fixed seat 64 can support and fix the support seat 63. The first shock pad 62 is fixedly connected with the support base plate 61 at the left side of the upper end surface. The first shock pad 62 is made of damping pad. The first shock pad 62 made of damping pad can dissipate the vibration energy transmitted by the industrial oxygen generator 46 to achieve the purpose of vibration reduction, thereby controlling the vibration level of the industrial oxygen generator 46, so as to reduce the vibration noise of the industrial oxygen generator 46 during operation.

[0032] The right side of the upper end surface of the supporting substrate 61 is fixedly connected with a second shock-absorbing pad 65, which is made of damping pad. The second shock-absorbing pad 65 made of damping pad can dissipate the vibration energy transmitted by the industrial burner 5 to achieve the purpose of vibration reduction, thereby controlling the vibration level of the industrial burner 5, so as to reduce the vibration noise of the industrial burner 5 during operation. The first shock-absorbing pad 62 is provided with a first buffer lining 66 inside, and the first buffer lining 66 is made of sponge rubber. The first buffer lining 66 made of sponge rubber can further improve the shock-absorbing capacity of the first shock-absorbing pad 62. The second shock-absorbing pad 65 is provided with a second buffer lining 67 inside, and the second buffer lining 67 is made of sponge rubber. The second buffer lining 67 made of sponge rubber can further improve the shock-absorbing capacity of the second shock-absorbing pad 65. The first shock-absorbing pad 62 is provided with a first penetrating hole 621 inside. The first penetrating hole 621 facilitates the penetration of the external mounting bolt inside the first shock-absorbing pad 62, so as to mount and fix the industrial oxygen generator 46 on the upper end surface thereof. The second shock-absorbing pad 65 is provided with a second penetrating hole 651 inside. The second penetrating hole 651 facilitates the penetration of the external mounting bolt inside the second shock-absorbing pad 65, so as to mount and fix the industrial burner 5 on the upper end surface thereof. The bottom of the fixing seat 64 is fixedly connected with a third shock-absorbing pad 68, which is made of damping pad. The third shock-absorbing pad 68 made of damping pad can dissipate the vibration energy transmitted by the fixing seat 64 to achieve the purpose of vibration reduction, thereby avoiding the generation of resonance noise between the fixing seat 64 and the ground.

[0033] Working principle: in the calcination process of bauxite, the workers first open the door 2, at this time can be put into the calcining furnace body 1 inside the appropriate amount of bauxite to be calcined, put in after the closing of the door 2, then can start the calcining furnace body 1 and industrial burner 5 work, in the process, the working industrial burner 5 will be through the combustion nozzle 3 to the calcining furnace body 1 inside the fire heating, and the rotating calcining furnace body 1 will make the bauxite inside it heated calcination more uniform and sufficient; when the industrial burner 5 needs to be combusted to make it quickly warm up, the workers first start the industrial oxygen generator 46, make the industrial oxygen generator 46 work to manufacture high oxygen content air, then through the external fan frequency converter makes the speed regulating fan 44 work according to the required speed, and the working speed regulating fan 44 will suck the high oxygen content air manufactured by the industrial oxygen generator 46 through the air outlet pipe 45, and then blow the sucked high oxygen content air into the air inlet elbow pipe 41 through the connecting pipe 43 and the check valve 42, at this time the air inlet elbow pipe 41 will guide the high oxygen content air into the industrial burner 5 through the auxiliary air inlet end 52 to combust it, so that the industrial burner 5 can obtain better heat transfer effect and more complete combustion to quickly warm up, when the industrial burner 5 no longer needs to be combusted, only need to close the industrial oxygen generator 46 and the speed regulating fan 44 respectively, at this time the check valve 42 can prevent the air in the air inlet elbow pipe 41 from flowing back to the connecting pipe 43; during the working of the industrial oxygen generator 46 and the industrial burner 5, the fixing seat 64 will support and position the support base plate 61 through the support seat 63, so that the support base plate 61 stably supports the industrial burner 5 and the industrial oxygen generator 46 respectively, and the first shock absorbing pad 62 can dissipate the vibration energy transmitted by the industrial oxygen generator 46 to achieve the purpose of shock absorption, so as to control the vibration level of the industrial oxygen generator 46, thereby reducing the vibration noise of the industrial oxygen generator 46 during working, at the same time, the second shock absorbing pad 65 can dissipate the vibration energy transmitted by the industrial burner 5 to achieve the purpose of shock absorption, so as to control the vibration level of the industrial burner 5, thereby reducing the vibration noise of the industrial burner 5 during working, and the third shock absorbing pad 68 can dissipate the vibration energy transmitted by the fixing seat 64 to achieve the purpose of shock absorption, so as to avoid the resonance noise between the fixing seat 64 and the ground, thereby reducing the vibration noise of the industrial oxygen generator 46 and the industrial burner 5 during working.

[0034] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A bauxite calcining furnace combustion air rapid heating system, comprising a calcining furnace body (1), a furnace door (2), a combustion nozzle (3) and an industrial burner (5), characterized in that: A furnace door (2) is installed at the rear end of the calcining furnace body (1), a combustion nozzle (3) is inserted into the middle position of the front end surface of the calcining furnace body (1), and an industrial burner (5) is installed at the front end of the combustion nozzle (3); A combustion-supporting assembly (4) is provided on the left side of the industrial burner (5), and the combustion-supporting assembly (4) is used to assist combustion of the industrial burner (5) so that it heats up quickly. A support assembly (6) is provided at the bottom of the industrial burner (5), and the support assembly (6) is used to support the industrial burner (5) and the combustion-supporting assembly (4): The combustion-supporting assembly (4) comprises an air intake elbow (41), a one-way valve (42), a connecting pipe (43), a speed-regulating fan (44), an air outlet pipe (45) and an industrial oxygen generator (46). The industrial oxygen generator (46) is installed on the left side of the industrial burner (5). The outlet end of the upper end face of the industrial oxygen generator (46) is connected to the air outlet pipe (45). The outlet of the right end of the air outlet pipe (45) is connected to the speed-regulating fan (44). The outlet of the right end face of the speed-regulating fan (44) is connected to the connecting pipe (43). The right end of the connecting pipe (43) is connected to the one-way valve (42). The outlet of the right end of the one-way valve (42) is connected to the air intake elbow (41).

2. The rapid heating system for combustion-supporting air in a bauxite calcining furnace according to claim 1, characterized in that: The support assembly (6) includes a support base (61), a first shock-absorbing pad (62), a support seat (63), a fixed seat (64) and a second shock-absorbing pad (65). The support base (61) is installed below the industrial burner (5). The lower end surface of the support base (61) is fixedly connected to the support seat (63), the bottom of the support seat (63) is fixedly connected to the fixed seat (64), the left side of the upper end surface of the support base (61) is fixedly connected to the first shock-absorbing pad (62), and the right side of the upper end surface of the support base (61) is fixedly connected to the second shock-absorbing pad (65).

3. The rapid heating system for combustion-supporting air in a bauxite calcining furnace according to claim 2, characterized in that: A first buffer lining (66) is provided inside the first anti-vibration pad (62), and the material of the first buffer lining (66) is sponge rubber. A second buffer lining (67) is provided inside the second anti-vibration pad (65), and the material of the second buffer lining (67) is sponge rubber.

4. The rapid heating system for combustion-supporting air in a bauxite calcining furnace according to claim 2, characterized in that: A first through hole (621) is provided inside the first anti-vibration pad (62), and the material of the first anti-vibration pad (62) is a damping pad. A second through hole (651) is provided inside the second anti-vibration pad (65), and the material of the second anti-vibration pad (65) is a damping pad.

5. The rapid heating system for combustion-supporting air in a bauxite calcining furnace according to claim 2, characterized in that: A third anti-vibration pad (68) is fixedly connected to the bottom of the fixing seat (64), and the third anti-vibration pad (68) is made of a damping pad.

6. The rapid heating system for combustion-supporting air in a bauxite calcining furnace according to claim 1, characterized in that: A main air inlet end (51) is provided on the side of the industrial burner (5), a secondary air inlet end (52) is provided on the top of the industrial burner (5), and the furnace door (2) is an openable and closable structure.

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