CN109539815B - High-temperature hot air device suitable for waste gas circulation heating of brickkiln - Google Patents
High-temperature hot air device suitable for waste gas circulation heating of brickkiln Download PDFInfo
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- CN109539815B CN109539815B CN201811610102.XA CN201811610102A CN109539815B CN 109539815 B CN109539815 B CN 109539815B CN 201811610102 A CN201811610102 A CN 201811610102A CN 109539815 B CN109539815 B CN 109539815B
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 84
- 239000002912 waste gas Substances 0.000 title claims abstract description 26
- 239000011449 brick Substances 0.000 claims abstract description 24
- 230000001105 regulatory effect Effects 0.000 claims description 14
- 239000007789 gas Substances 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 7
- 239000012774 insulation material Substances 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- -1 iron-chromium-aluminum Chemical compound 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
- 239000011324 bead Substances 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D99/0001—Heating elements or systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
- F27D2019/0006—Monitoring the characteristics (composition, quantities, temperature, pressure) of at least one of the gases of the kiln atmosphere and using it as a controlling value
- F27D2019/0018—Monitoring the temperature of the atmosphere of the kiln
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D99/0001—Heating elements or systems
- F27D2099/0061—Indirect heating
- F27D2099/0065—Gas
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to the technical field of waste gas circulation heating devices, in particular to a high-temperature hot air device suitable for waste gas circulation heating of a brick kiln, which comprises a hot air flow passage and a heater arranged in a hot air flow passage, wherein the hot air flow passage comprises a blower, an air inlet pipe, an outer cylinder, an inner cylinder and a rotating body, the inner cylinder is arranged in the outer cylinder, an outer layer flow passage is formed between the outer cylinder and the inner cylinder, nozzles are uniformly distributed at the top of the inner cylinder, and the rotating body is arranged in the inner cylinder.
Description
Technical Field
The invention relates to the technical field of waste gas circulation heating devices, in particular to a high-temperature hot air device suitable for waste gas circulation heating of a brick kiln.
Background
The common coal heating method for the brick kiln has complex mutual influence of factors such as coal adding frequency, exhaust performance, heating uniformity, heating duration and the like, even technicians with abundant experience are difficult to ensure the brick outlet rate, phenomena such as over-burning, under-burning and the like often occur, and meanwhile, the energy consumption of the coal heating method is relatively large. In recent years, energy conservation and emission reduction are advocated in China, so that not only is the heating efficiency expected to be improved, but also the brick kiln tail gas is required to be fully utilized.
At present, part of brick kilns begin to explore a way of adopting hot air to burn bricks, but the equipment is complex, the investment cost is high, and the maintenance cost is high; or the temperature is difficult to control, the brick yield is low, and the high-temperature hot air device applicable to the brick kiln needs to be improved.
Disclosure of Invention
The invention aims to provide a high-temperature hot air device suitable for circularly heating waste gas of a brick kiln, so as to solve the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a high-temperature hot air device suitable for waste gas circulation heating of brickkiln, includes hot-blast runner and installs the heater in hot-blast wind channel, hot-blast runner includes forced draught blower, air-supply line, outer barrel and interior barrel and rotator, the internally mounted of outer barrel has interior barrel, form outer layer runner between outer barrel and the interior barrel, the top evenly distributed of interior barrel has the nozzle, the inside of interior barrel is equipped with the rotator, form the middle level runner between interior barrel and the rotator, the internal surface of rotator forms the inlayer runner, the impeller inner bottom plate is installed to the middle level runner lower extreme, the tuber pipe is installed at the top of interior barrel, rotate on the impeller inner bottom plate and be connected with lower four-foot support, rotator fixed connection is on lower four-foot support, four-foot support is installed at the top of rotator, collector column bottom sleeve is installed respectively to the mid-mounting of lower four-foot support, upper four-foot support.
Still further: the outer cylinder body and the inner cylinder body are both in a round table shape, the side wall of the outer cylinder body is provided with an air inlet pipe, the other end of the air inlet pipe is provided with a blower, and the air inlet pipe is communicated with the outer cylinder body.
Still further: the number of the nozzles is four, and the nozzles consist of outer walls of the nozzles and air outlets.
Still further: four wind shields are uniformly arranged on the periphery of the rotating body.
Still further: the impeller inner bottom plate comprises a bottom plate outer wall, a semicircular tube type base inner wall, an impeller type wind shielding body, an arc wind shielding surface, a vertical wind shielding surface and a collector column bottom shaft sleeve, wherein the bottom plate outer wall and the outer cylinder body form an inlet part of an outer layer flow passage, the bottom plate outer wall is arc-shaped, and a heat insulation material is arranged between the bottom plate outer wall and the semicircular tube type bottom plate inner wall.
Still further: the heater comprises a collector column bottom shaft sleeve, a collector column sleeve, collector columns, collector rings, small heating plates and large heating plates, wherein the collector columns sequentially penetrate through the collector column bottom shaft sleeve and the collector column sleeve, the collector columns are respectively connected with a wave wheel inner bottom plate, a lower four-foot support and an upper four-foot support in a rotating mode through the collector column bottom shaft sleeve and the collector column sleeve, the collector columns are provided with the four collector rings from top to bottom, the four large heating plates are arranged in the interior of the rotating body, and the collector rings are respectively connected with the small heating plates and the large heating plates from top to bottom in sequence.
Still further: the small heating plate consists of a collector ring anode, a collector ring cathode and heating wires, the heating wires are distributed circumferentially to form a heating plate contour, the heating wires are uniformly distributed circumferentially at intervals of 3 degrees by taking the collector ring as the center to form the heating plate contour, and the heating wires are made of iron-chromium-aluminum electrothermal alloy.
Still further: still include intelligent control system, intelligent control system includes control box and temperature sensor, and control box fixed connection is in the below of play tuber pipe, and temperature sensor installs in play tuber pipe, and the temperature-regulating pipe is installed to the lateral wall of outer barrel, and the other end and the play tuber pipe intercommunication of temperature-regulating pipe, the internally mounted of temperature-regulating pipe have the temperature-regulating valve, and the relief valve is installed at the top of play tuber pipe.
Still further: the lower four-leg support and the upper four-leg support are composed of a collector column sleeve and a fixed support, the fixed support is fixedly connected to the rotating body, the fixed support of the lower four-leg support is designed to be in a vertically upward shifting sheet shape, and the fixed support of the upper four-leg support is designed to be in a fan shape.
Still further: the collector post is fixed through the collector post bottom axle sleeve to it is spacing through collector post sleeve horizontal direction, and the collector post does not remove along with the rotator, and the collecting ring comprises collecting ring positive pole and collecting ring negative pole, and collecting ring positive negative pole is equipped with the transmission line with the brush form power supply to the heater strip in the inside of collector post, and the power cord of collecting ring penetrates through the transmission line.
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects: the high-temperature hot air device suitable for the circulating heating of the waste gas of the brick kiln fully utilizes the principles of hydrodynamics and aerodynamics, structurally adopts an 80-degree inclined plane, a diffuser pipe heating flow channel, a wave wheel inner bottom plate mixed flow device, a four-leg supporting device and the like, not only further eliminates moisture contained in the waste gas, but also fully mixes the flow in a heating area and keeps longer dead time, so that the waste gas is fully heated, the heating efficiency is improved, and the energy consumption is reduced. Meanwhile, the intelligent control mode provided is fast and convenient to regulate the temperature of hot air, has better adaptability to the temperature requirements of the brick kiln in different brick burning stages, and improves the brick outlet rate.
Drawings
FIG. 1 is a schematic diagram of a high temperature hot air device suitable for exhaust gas circulation heating of a brickkiln;
FIG. 2 is a schematic diagram of the inner bottom plate of the pulsator in the high-temperature hot-air device suitable for the circulation heating of the waste gas of the brick kiln;
FIG. 3 is a schematic diagram of a small heating plate in a high-temperature hot air device suitable for the circulation heating of waste gas of a brick kiln;
FIG. 4 is a schematic diagram of the structure of a large heating plate in a high-temperature hot air device suitable for the exhaust gas circulation heating of a brick kiln;
FIG. 5 is a schematic view of the structure of a nozzle in a high temperature hot air device suitable for the exhaust gas circulation heating of a brickkiln;
FIG. 6 is a schematic view of a stationary support in a high temperature hot air device suitable for use in the exhaust gas recirculation heating of a brickkiln;
FIG. 7 is a schematic diagram of a collector column in a high temperature hot air device suitable for exhaust gas recirculation heating of a brickkiln;
FIG. 8 is a cross-sectional view of the middle layer runner in the high temperature hot air device suitable for the exhaust gas circulation heating of the brickkiln;
fig. 9 is a control block diagram of a high temperature hot air device suitable for exhaust gas circulation heating of a brickkiln.
Reference numerals in the schematic drawings illustrate: 1-a blower; 2-an air inlet pipe; 3-an outer cylinder; 4-an inner cylinder; 5-nozzle; 6-wind shield; 7-large heating plates; 8-lower four-foot support; 9-a wave wheel inner bottom plate; 10-collector posts; 11-collecting rings; 12-an air outlet pipe; 13-upper four-foot support; 14-a temperature regulating tube; 15-a control box; 16-a pressure release valve; 17-a temperature sensor; 18-a temperature regulating valve; 19-a rotating body; 20-small heating plates; 21-the outer wall of the bottom plate; 22-semicircular tube type bottom plate inner wall; 23-pulsator type wind shielding body; 24-an arc-shaped wind shielding surface; 25-vertical wind shielding surface; 26-a collector column bottom shaft sleeve; 27-collecting ring anode; 28-collecting ring cathode; 29-heating wires; 30-heater plate profile; 31-gap struts; 32-nozzle outer wall; 33-an air outlet; 34—collector post sleeve; 35-fixing a bracket; 36-power transmission tube.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art without making any inventive effort, based on the embodiments of the present invention are within the scope of the present invention, and the present invention is further described below with reference to the embodiments.
Example 1
Referring to fig. 1-9, in the embodiment of the invention, a high temperature hot air device suitable for the circulation heating of waste gas of a brick kiln comprises a hot air runner, a heater and an intelligent control system, wherein the hot air runner comprises an air feeder 1, an air inlet pipe 2, an outer cylinder 3, an inner cylinder 4 and a rotating body 19, the outer cylinder 3 and the inner cylinder 4 are all in a round table shape, the air inlet pipe 2 is arranged on the side wall of the outer cylinder 3, the air feeder 1 is arranged at the other end of the air inlet pipe 2, the air inlet pipe 2 is communicated with the outer cylinder 3, the inner cylinder 4 is arranged in the outer cylinder 3, a heat insulation material is laid on the inner surface of the inner cylinder 4, an outer runner is formed between the outer cylinder 3 and the inner cylinder 4, the cross section area of the outer runner is equal, the outer runner forms an angle of 80 degrees with the horizontal direction, the top of the inner cylinder 4 is uniformly distributed with nozzles 5, and the total number of the nozzles 5 are 4, the nozzle 5 comprises nozzle outer wall 32 and air outlet 33, be 90 evenly distributed at the inner wall top of interior barrel 4, constitute four corner tangential air supply, can improve waste gas mixing disturbance ability, the inside of interior barrel 4 is equipped with rotator 19, form the middle level runner between inner barrel 4 and the rotator 19, rotator 19 is the little round platform form in head big end, make the middle level runner be diffusion tubulose, and the internal surface of rotator 19 is the little round platform form in head big end, form the inner layer runner of diffusion tubulose, forced draught blower 1 sends the waste gas after the brickkiln is dehumidified through air-supply line 2 into outer layer runner, and penetrate into the middle level runner through nozzle 5, four deep bead 6 have evenly been arranged on the peripheral circumference of rotator 19, the hot-blast blows to deep bead 6 behind the nozzle 5, deep bead 6 drives rotator 19 rotatory acceleration gas mixed flow, make it fully heat.
The lower end of the middle-layer runner is provided with a wave wheel inner bottom plate 9, the wave wheel inner bottom plate 9 comprises a bottom plate outer wall 21, a semicircular pipe type base inner wall 22, a wave wheel type wind shielding body 23, an arc wind shielding surface 24, a vertical wind shielding surface 25 and a collector column bottom shaft sleeve 26, the bottom plate outer wall 21 and the outer barrel 3 form an inlet part of an outer-layer runner, the bottom plate outer wall 21 is arc-shaped, water drops are convenient to accumulate, a heat insulation material is arranged between the bottom plate outer wall 21 and the semicircular pipe type bottom plate inner wall 22, and the semicircular pipe type bottom plate inner wall 22 guides hot air to flow from the middle-layer runner to the inner-layer runner; the impeller type wind shielding body 23, the arc wind shielding surface 24 and the vertical wind shielding surface 25 change the flow velocity of hot air in the circumferential direction into the inclined upward flow velocity, the hot air mixed flow is further guided to flow into an inner-layer flow channel, the hot air is guided to flow into the rotating body 19, the air outlet pipe 12 is arranged at the top of the inner cylinder body 4, the hot air enters the air outlet pipe 12 after passing through the inner-layer flow channel inside the rotating body 19, the lower four-foot support 8 is rotationally connected on the impeller inner bottom plate 9, the rotating body 19 is fixedly connected on the lower four-foot support 8, the upper four-foot support 13 is arranged at the top of the rotating body 19, the collector column bottom shaft sleeve 26 is arranged in the middle of the impeller inner bottom plate 9, and the collector column sleeve 34 is respectively arranged at the middle parts of the lower four-foot support 8 and the upper four-foot support 13.
The heater includes collector column bottom axle sleeve 26, collector column sleeve 34, collector column 10, collecting ring 11, little heating plate 20 and big heating plate 7, collector column 10 passes collector column bottom axle sleeve 26, collector column sleeve 34 in proper order, collector column 10 rotates with impeller inner bottom plate 9, lower four-foot support 8, last four-foot support 13 through collector column bottom axle sleeve 26, collector column sleeve 34 respectively and is connected, four collecting ring 11 have been arranged from the top down to collector column 10, the internally mounted of rotator 19 has four little heating plate 20, big heating plate 7 is still installed at rotator 19's middle part, collecting ring 11 from the top down is connected with little heating plate 20, big heating plate 7 in proper order respectively, rotator 19, last four-foot support 13 all adopt high temperature resistant material.
As shown in fig. 3, the small heating plates are composed of a collector ring positive electrode 27, a collector ring negative electrode 28 and heating wires 29, the heating wires 29 are circumferentially distributed to form a heating plate contour 30, and the heating wires 29 are circumferentially and uniformly arranged at intervals of 3 degrees with the collector ring as a center to form the heating plate contour 30. The heating wire 29 adopts iron-chromium-aluminum electrothermal alloy, the temperature resistance is up to 1400 ℃, the heating wire 29 adopts circumferential arrangement, the density of the heating wire 29 becomes smaller along with the increase of the circumferential diameter, and the waste gas at the middle-layer flow passage can be initially heated, so that the flow resistance is reduced, and the waste gas is fully heated in the inner-layer flow passage.
As shown in fig. 4, the large heating plate is similar in structure to the small heating plate, except that a gap strut 31 is provided to support the rotating body when the large heating plate passes through the rotating body 19.
The intelligent control system comprises a control box 15 and a temperature sensor 17, wherein the control box 15 is fixedly connected below the air outlet pipe 12, and the temperature sensor 17 is installed in the air outlet pipe 12.
As shown in fig. 2 and 6, the lower four-foot support 8 and the upper four-foot support 13 are each composed of a collector post sleeve 34 and a fixing bracket 35, the fixing brackets 35 are fixedly connected to the rotating body 19, the fixing brackets of the lower four-foot support 8 are designed into a vertically upward plectrum shape, when the fixing brackets rotate with the rotating body 19, the fixing brackets of the upper four-foot support 13 are designed into a fan shape, when the fixing brackets rotate, local suction force is formed at the inlet of the air outlet pipe 12, and the waste gas power is increased.
As shown in fig. 2, 6, 7 and 8, the collector post 10 is fixed by a collector post bottom shaft sleeve 26 and limited in the horizontal direction by a collector post sleeve 34, the collector post 10 does not move along with the rotating body, the collector ring 11 consists of a collector ring positive electrode 27 and a collector ring negative electrode 28, the collector ring positive electrode and the collector ring negative electrode supply power to the heating wire 29 in the form of a brush, a power transmission tube 36 is arranged in the collector post 10, and a power line of the collector ring 11 penetrates through the power transmission tube 36.
Example 2
On the basis of embodiment 1, a temperature regulating tube 14 is installed on the side wall of the outer cylinder 3, the other end of the temperature regulating tube 14 is communicated with an air outlet tube 12, a temperature regulating valve 18 is installed in the temperature regulating tube 14, a pressure relief valve 16 is installed at the top of the air outlet tube 12, a control box 15 controls the blower 1 or the temperature regulating valve 18 to regulate the air temperature according to measurement data of a temperature sensor 17, an intelligent control device controls the blower 1 to reduce the air supply quantity at low temperature, the opening of the temperature regulating valve 18 is regulated at high temperature, cold air is extracted from an outer-layer runner and is sent into the air outlet tube 12 through the temperature regulating tube 14 to reduce the air temperature, and when the pressure of the air outlet tube 12 is too high, the pressure is relieved through the pressure relief valve 16.
The invention and its embodiments have been described above by way of illustration and not limitation, and the invention is illustrated in the accompanying drawings and described in the drawings in which the actual structure is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present invention.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (8)
1. The utility model provides a high-temperature hot air device suitable for waste gas circulation heating of brickkiln, includes hot air flow channel and installs the heater in hot air flow channel, its characterized in that, hot air flow channel includes forced draught blower (1), air-supply line (2), urceolus body (3) and interior barrel (4) and rotator (19), the internally mounted of urceolus body (3) has interior barrel (4), form outer layer runner between urceolus body (3) and interior barrel (4), the top evenly distributed of interior barrel (4) has nozzle (5), the inside of inner barrel (4) is equipped with rotator (19), form the middle layer runner between interior barrel (4) and rotator (19), the internal surface of rotator (19) forms inlayer runner, impeller inner bottom plate (9) are installed to the middle layer runner lower extreme, play tuber pipe (12) are installed at the top of interior barrel (4), rotate on impeller inner bottom plate (9) and be connected with four foot supports (8) down, rotator (19) fixed connection is on four foot supports (8) down, four foot supports (13) are installed on the top of rotator (19), four foot supports (34) are installed respectively in the bottom of impeller inner bottom plate (9) middle part axle sleeve (26), four-support (13) are installed respectively;
the impeller inner bottom plate (9) comprises a bottom plate outer wall (21), a semicircular tube type bottom plate inner wall (22), an impeller type wind shielding body (23), an arc wind shielding surface (24), a vertical wind shielding surface (25) and a collector column bottom shaft sleeve (26), wherein the bottom plate outer wall (21) and the outer cylinder body (3) form an inlet part of an outer layer flow channel, the bottom plate outer wall (21) is arc-shaped, and a heat insulation material is arranged between the bottom plate outer wall (21) and the semicircular tube type bottom plate inner wall (22); the heater comprises a collector column bottom shaft sleeve (26), a collector column sleeve (34), a collector column (10), collector rings (11), small heating plates (20) and large heating plates (7), wherein the collector column (10) sequentially penetrates through the collector column bottom shaft sleeve (26) and the collector column sleeve (34), the collector column (10) is respectively connected with a wave wheel inner bottom plate (9), a lower four-foot support (8) and an upper four-foot support (13) in a rotating mode through the collector column bottom shaft sleeve (26), the collector column sleeve (34) is arranged on the collector column (10) from top to bottom, four large heating plates (7) are arranged in the inner portion of a rotating body (19), and the collector rings (11) are respectively connected with the small heating plates (20) and the large heating plates (7) from top to bottom in sequence.
2. The high-temperature hot air device suitable for circulating heating of waste gas of a brick kiln according to claim 1, wherein the outer cylinder (3) and the inner cylinder (4) are both in a round table shape, an air inlet pipe (2) is arranged on the side wall of the outer cylinder (3), a blower (1) is arranged at the other end of the air inlet pipe (2), and the air inlet pipe (2) is communicated with the outer cylinder (3).
3. The high-temperature hot air device suitable for circulating heating of waste gas of a brick kiln according to claim 1, characterized in that the number of the nozzles (5) is four, and the nozzles (5) consist of nozzle outer walls (32) and air outlets (33).
4. The high-temperature hot air device suitable for circulating heating of waste gas of a brick kiln according to claim 1, characterized in that four wind deflectors (6) are uniformly arranged on the periphery circumference of the rotating body (19).
5. The high-temperature hot air device suitable for circulating heating of waste gas of a brick kiln according to claim 1, wherein the small heating plates (20) consist of a collector ring anode (27), a collector ring cathode (28) and heating wires (29), the heating wires (29) are circumferentially distributed to form a heating plate profile (30), the heating wires (29) are uniformly arranged at intervals of 3 degrees in a circumferential manner with the collector ring (11) as a center to form the heating plate profile (30), and the heating wires (29) are made of iron-chromium-aluminum electrothermal alloy.
6. The exhaust gas circulation heating high-temperature hot air device suitable for a brickkiln according to claim 1, further comprising an intelligent control system, wherein the intelligent control system comprises a control box (15) and a temperature sensor (17), the control box (15) is fixedly connected below the air outlet pipe (12), the temperature sensor (17) is installed in the air outlet pipe (12), a temperature regulating pipe (14) is installed on the side wall of the outer cylinder (3), the other end of the temperature regulating pipe (14) is communicated with the air outlet pipe (12), a temperature regulating valve (18) is installed in the temperature regulating pipe (14), and a pressure relief valve (16) is installed at the top of the air outlet pipe (12).
7. The high-temperature hot air device suitable for circulating heating of waste gas of a brick kiln according to claim 1, characterized in that the lower four-leg support (8) and the upper four-leg support (13) are composed of a collector post sleeve (34) and a fixing bracket (35), the fixing bracket (35) is fixedly connected to the rotating body (19), the fixing bracket of the lower four-leg support (8) is designed into a vertically upward plectrum shape, and the fixing bracket of the upper four-leg support (13) is designed into a fan shape.
8. The high-temperature hot air device suitable for circulating heating of waste gas of a brick kiln according to claim 1, characterized in that the collector post (10) is fixed through a collector post bottom shaft sleeve (26) and limited in the horizontal direction through a collector post sleeve (34), the collector post (10) does not move along with a rotating body, the collector ring (11) consists of a collector ring positive electrode (27) and a collector ring negative electrode (28), the collector ring positive electrode and the collector ring negative electrode supply power to a heating wire (29) in a brush mode, a power transmission tube (36) is arranged in the collector post (10), and a power line of the collector ring (11) penetrates through the power transmission tube (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811610102.XA CN109539815B (en) | 2018-12-27 | 2018-12-27 | High-temperature hot air device suitable for waste gas circulation heating of brickkiln |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811610102.XA CN109539815B (en) | 2018-12-27 | 2018-12-27 | High-temperature hot air device suitable for waste gas circulation heating of brickkiln |
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| CN109539815A CN109539815A (en) | 2019-03-29 |
| CN109539815B true CN109539815B (en) | 2024-02-27 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110475465B (en) * | 2019-09-18 | 2020-05-22 | 山东大学 | Heat pipe system with jet hole height changing |
| CN110572992B (en) * | 2019-09-18 | 2020-05-19 | 山东大学 | Immersed self-turbulent flow cooling system with four-corner tangential circles |
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| JP2003207272A (en) * | 2002-01-11 | 2003-07-25 | Daido Steel Co Ltd | Hot air circulation type heating furnace |
| CN204286129U (en) * | 2014-11-21 | 2015-04-22 | 高文有 | Heat pipe-type coke-stove gas heater |
| KR101600576B1 (en) * | 2015-12-11 | 2016-03-08 | 서상원 | Mold heat processor of noxious gas combustion and recycling function having |
| CN108061467A (en) * | 2017-12-12 | 2018-05-22 | 申扬阳 | A kind of tunnel brick kiln waste heat boiler |
| CN209246717U (en) * | 2018-12-27 | 2019-08-13 | 南昌工程学院 | A kind of high-temperature hot-air device that the waste gas circulation suitable for brickkiln heats |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2003207272A (en) * | 2002-01-11 | 2003-07-25 | Daido Steel Co Ltd | Hot air circulation type heating furnace |
| CN204286129U (en) * | 2014-11-21 | 2015-04-22 | 高文有 | Heat pipe-type coke-stove gas heater |
| KR101600576B1 (en) * | 2015-12-11 | 2016-03-08 | 서상원 | Mold heat processor of noxious gas combustion and recycling function having |
| CN108061467A (en) * | 2017-12-12 | 2018-05-22 | 申扬阳 | A kind of tunnel brick kiln waste heat boiler |
| CN209246717U (en) * | 2018-12-27 | 2019-08-13 | 南昌工程学院 | A kind of high-temperature hot-air device that the waste gas circulation suitable for brickkiln heats |
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