CN112556436B - Closed-cycle iron and steel sintered red ore cooling device - Google Patents
Closed-cycle iron and steel sintered red ore cooling device Download PDFInfo
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- CN112556436B CN112556436B CN202011374186.9A CN202011374186A CN112556436B CN 112556436 B CN112556436 B CN 112556436B CN 202011374186 A CN202011374186 A CN 202011374186A CN 112556436 B CN112556436 B CN 112556436B
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- 238000001816 cooling Methods 0.000 title claims abstract description 155
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 32
- 239000010959 steel Substances 0.000 title claims abstract description 32
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title description 22
- 229910052742 iron Inorganic materials 0.000 title description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 110
- 239000000463 material Substances 0.000 claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 229920002456 HOTAIR Polymers 0.000 claims abstract description 12
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052802 copper Inorganic materials 0.000 claims abstract description 10
- 239000010949 copper Substances 0.000 claims abstract description 10
- 240000001307 Myosotis scorpioides Species 0.000 claims description 36
- 238000001914 filtration Methods 0.000 claims description 12
- 238000003780 insertion Methods 0.000 claims description 11
- 238000010248 power generation Methods 0.000 claims description 9
- 235000020188 drinking water Nutrition 0.000 claims description 7
- 239000003651 drinking water Substances 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 5
- 210000001503 Joints Anatomy 0.000 claims description 4
- 230000002146 bilateral Effects 0.000 claims description 4
- 239000000498 cooling water Substances 0.000 claims 3
- 241000681094 Zingel asper Species 0.000 claims 1
- 238000005245 sintering Methods 0.000 abstract description 20
- 230000000694 effects Effects 0.000 abstract description 7
- 238000007789 sealing Methods 0.000 description 5
- 230000001429 stepping Effects 0.000 description 4
- 230000002411 adverse Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000003068 static Effects 0.000 description 1
- 238000004642 transportation engineering Methods 0.000 description 1
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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
- F27D15/00—Handling or treating discharged material; Supports or receiving chambers therefor
- F27D15/02—Cooling
- F27D15/0206—Cooling with means to convey the charge
- F27D15/0266—Cooling with means to convey the charge on an endless belt
-
- 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
- F27D17/004—Systems for reclaiming waste heat
-
- 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
- F27D17/008—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
-
- 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
Abstract
The invention relates to the technical field of steel sintering equipment, and particularly discloses a closed-cycle steel sintering red ore cooling device; the cooling device comprises a feeding hopper and a cooling box, wherein the lower end of the feeding hopper is connected with an inclined feeding pipe body, the lower end of the feeding pipe body is connected and communicated with the upper surface of the cooling box, a plurality of crawler conveying cooling devices are arranged in the inner cavity of the cooling box at intervals, the lower end of the cooling box is connected with a collecting hopper, a baffle is arranged on the collecting hopper in a pulling mode, the lower end of the right side surface of the cooling box is connected with a cold air inlet pipe, and the upper end of the right side surface of the cooling box is connected with a hot air exhaust pipe; the invention discloses a method for realizing the blanking speed of materials in a cooling box by changing a traditional fire grate into a mode of driving a flexible high-temperature-resistant crawler belt by a transmission motor, wherein the flexible high-temperature-resistant crawler belt and a cooling rectangular water tank are both made of copper or aluminum with good heat conductivity, the red ore can be quickly cooled through water pump circulation, and the cooling time of the whole red ore can be shortened to a half under the action of cold air fed by a circulating fan, so that the cooling effect is excellent.
Description
Technical Field
The invention relates to the technical field of steel sintering equipment, and particularly discloses a closed-cycle steel sintering red ore cooling device.
Background
At present, sintering machines in the steel industry of China mainly have two forms, one is a stepping sintering machine, and the other is a belt sintering machine. The structure of the stepping sintering machine comprises a sintering section and a cooling section, and the stepping sintering machine has the advantages that the cooling time is short, the cooling effect is poor, and even red ores are generated, so that the quality of the sintered ores cannot be ensured, and the belt transportation and the screening of the ores are adversely affected; meanwhile, due to the influence of the sealing structure of the stepping sintering machine, the air leakage rate of the sintering machine is high and can reach more than 50%, a large amount of air is needed for cooling, a large amount of energy is consumed, and the air is difficult to recover. The cooling of the strand sintering machine generally adopts a ring type cooling machine, the ring type cooling machine is also influenced by a sealing structure, the air leakage rate of the sintering machine reaches more than 50 percent, and therefore, a large amount of air is needed for cooling, a large amount of energy is consumed, and the problem of difficult recovery is caused.
The utility model with the patent number of CN206146210U discloses a closed cycle iron and steel sintered red ore cooling device, which comprises a device body, a heat exchange containing cavity arranged in the device body, a feed inlet arranged at the upper end of the device body, an uniform distributor arranged at the lower end of the feed inlet, a discharge outlet arranged at the lower end of the device body and a temperature equalizer arranged on the device body, wherein the temperature equalizer is communicated with a cold air outlet; each grate is obliquely arranged at an angle with the heat exchange cavity, and the grates are arranged in parallel; the front end of each fire grate is provided with a material pushing device, and the tail end of each fire grate is provided with a hopper. The utility model discloses a steel sintering red ore cooling device replaces the cooling zone or the ring cold machine of former sintering machine, compares with former cooling method, has output, and is of high quality, and the energy consumption is low, but still exists following not enough in the in-service use process. Firstly, the feeding speed of the iron and steel sintered red ore cooling device disclosed by the utility model is not easy to control; secondly, the device blows cold air into the device through a circulating fan to cool the red ore, the cooling rate is low, cooling time of two to three hours is needed, the temperature of the red ore is increased after the cold air cools the red ore, and heat energy in heated air cannot be fully utilized, so that heat is lost, and environmental protection and energy reutilization are not utilized; thirdly, because its grate slope sets up, the unloading speed of the red ore deposit of high temperature on the unable effective control grate, even provide the unloading speed that promotes the red ore deposit on the grate through hydraulic system, but its speed control effect is accurate, leads to the red ore deposit temperature of discharge gate inconsistent. Therefore, in order to overcome the above-mentioned shortcomings of the existing closed-cycle iron and steel sintered red ore cooling device, it is a technical problem to be solved to design a closed-cycle iron and steel sintered red ore cooling device which can solve the above-mentioned three problems simultaneously.
Disclosure of Invention
The technical problem to be solved by the invention is to design a closed-cycle steel sintering red ore cooling device which can simultaneously solve the three problems aiming at the defects of the existing closed-cycle steel sintering red ore cooling device.
The invention is realized by the following technical scheme:
a closed-cycle steel sintered red ore cooling device comprises a feeding hopper and a cooling box which is vertically arranged, wherein the lower end of the feeding hopper is connected with an inclined blanking pipe body, the lower end of the blanking pipe body is connected and communicated with the upper surface of the cooling box, a rotating shaft which is coincident with the central axis of the blanking pipe body is arranged in the blanking pipe body, a spiral conveying blade is arranged on the rotating shaft, a driving motor is arranged on the upper surface of the cooling box, and a universal rotating part is connected between the end part of the rotating shaft, which is transmitted out of the lower end of the blanking pipe body, and an output shaft of the driving motor;
the cooling device comprises a cooling box, a plurality of crawler belt conveying cooling devices, a baffle plate, a cold air inlet pipe, a hot air exhaust pipe and a cooling box, wherein the plurality of crawler belt conveying cooling devices are arranged in the inner cavity of the cooling box at intervals, each crawler belt conveying cooling device is obliquely and downwards arranged, two adjacent crawler belt conveying cooling devices are symmetrically arranged in a left-right mode, the lower end of the cooling box is connected with a material collecting hopper, the material collecting hopper is provided with the baffle plate in a drawing mode, the lower end of the right side face of the cooling box is connected with the cold air inlet pipe, and the upper end of the right side face of the cooling box is connected with the hot air exhaust pipe;
the conveying and cooling device for the crawler comprises a transmission motor, a driving roller, a driven roller and a flexible high-temperature-resistant crawler belt, wherein the transmission motor, the driving roller, the driven roller and the flexible high-temperature-resistant crawler belt are arranged on the front side surface of a cooling box;
a heat exchange water tank is arranged on the right side of the cooling tank, a heat exchange steam tank and a steam turbine are arranged on the rear side of the heat exchange water tank, a high-temperature air filter tank is arranged on the right side of the heat exchange steam tank and the steam turbine, a circulating fan is arranged on the upper surface of the heat exchange water tank, an exhaust pipe is connected with the air outlet end of the circulating fan and is connected with a cold air inlet pipe, the air inlet end of the circulating fan is connected with a curved heat exchange pipe extending into the heat exchange water tank, enough drinking water is filled in the heat exchange water tank, the other end of the curved heat exchange pipe extends out of the heat exchange water tank and is communicated with the front side surface of the high-temperature air filter tank, at least two filter screen insertion ends are arranged on the upper surface of the high-temperature air filter tank at intervals, and a T-shaped slot communicated with the high-temperature air filter tank is arranged in the filter screen insertion end, a filter screen frame is inserted into each T-shaped slot, a filter screen layer is arranged in each filter screen frame, a T-shaped seal strip matched with the upper end of each T-shaped slot is arranged at the upper end of each filter screen frame, a plurality of connecting holes are formed in each T-shaped seal strip, fixing bolts matched with the connecting holes are screwed on the side surface of the insertion end of each filter screen, and the aperture of the filter screen in the high-temperature air filter box is sequentially increased from front to back;
the rear side surface of the high-temperature air filter box is connected with a medium-temperature air pipe, a spiral heat exchange pipe is arranged in the heat exchange steam tank, the medium-temperature air pipe extends into the heat exchange steam tank to be connected with one end of the spiral heat exchange pipe, the other end of the spiral heat exchange pipe is connected with a high-temperature air pipe, the upper end of the high-temperature air pipe is connected with a hot air exhaust pipe, the upper surface of the heat exchange steam tank is provided with a steam cover, the upper end of the steam cover is connected with a steam exhaust pipe, the steam exhaust pipe is connected with a steam turbine, and a rotating shaft of the steam turbine is connected with a power generation device;
and a water pump is arranged at the lower end of the rear side of the cooling box, the water inlet end of the water pump is connected with a water source, the water outlet end of the water pump is connected with a vertical first water pipe, the water inlet pipe of each caterpillar material conveying cooling device is communicated with a water pipe, the water outlet pipe of each caterpillar material conveying cooling device is connected with a second water pipe, and the lower end of each second water pipe is communicated with a heat exchange steam tank.
As a further arrangement of the scheme, the upper end of the feeding hopper is also provided with a sealing cover plate.
As a further arrangement of the scheme, heat insulation fixing blocks are arranged at the joints of the driving motor, the transmission motor and the outer surface of the cooling box.
As a further arrangement of the scheme, the number of the caterpillar track conveying cooling devices arranged in the inner cavity of the cooling box is four, and the caterpillar track conveying cooling devices are arranged at intervals up and down and are arranged in bilateral symmetry.
As a further arrangement of the above scheme, the flexible high-temperature resistant crawler belt is made of copper or aluminum, and the cooling rectangular water tank is also made of copper or aluminum.
As a further arrangement of the above scheme, a display is arranged on the outer surface of the heat exchange water tank, and a temperature sensor is arranged inside the heat exchange water tank.
As the further setting of above-mentioned scheme, the filter screen that high temperature filtration case upper surface set up inserts the end and is 3~ 5.
As a further arrangement of the scheme, the left side surface and the right side surface of the lower end of the T-shaped seal are also provided with rubber seals.
As a further arrangement of the proposal, the aperture of the filter screen layer at the most front side of the high-temperature air filter box is not more than 0.2 mm.
As a further arrangement of the above scheme, a vibration motor is mounted on the outer surface of the aggregate bin.
Compared with the prior art, the invention has the following beneficial effects:
1) the invention discloses a closed-loop circulation iron and steel sintered red ore cooling device, which is characterized in that a blanking pipe body is arranged between an upper hopper and a cooling box, through the design of a driving motor, a rotating shaft and a spiral conveying blade, the blanking pipe body can uniformly blank high-temperature red ore materials in the upper hopper, and the effect of controlling the blanking speed can be achieved by controlling the rotating speed of the driving motor.
2) The invention discloses a closed-loop circulation steel sintering red ore cooling device, which changes the traditional moving grate and static grate into a mode of driving a flexible high-temperature resistant crawler belt by a transmission motor to realize the blanking speed of materials in a cooling box, meanwhile, a cooling rectangular water tank which is attached to the lower surface of the upper end of the flexible high-temperature resistant crawler belt is arranged in the flexible high-temperature resistant crawler belt, the flexible high-temperature resistant crawler belt and the cooling rectangular water tank are both made of copper or aluminum with good heat conductivity, the red ore stacked on the flexible high-temperature resistant crawler belt can be quickly cooled through water pump circulation, and the cooling time of the whole red ore can be shortened to half of the original time under the action of cold air fed by a circulating fan, so that the cooling effect is excellent.
3) When the closed-cycle steel sintering red ore cooling device disclosed by the invention cools red ore, the heat exchange is carried out on exhausted hot air twice through the heat exchange water tank and the heat exchange steam tank, the high-temperature air body enables water in the heat exchange steam tank to boil to generate steam for the first time, and then the steam enters the steam turbine to drive the rotating shaft connected with the power generation device to rotate, so that the power generation effect is realized; the drinking water in the rectangular water tank is heated by the medium-temperature air body for the second time, and the heated drinking water can be directly used as drinking water and respectively sent to independent water using areas, so that the heat utilization rate is high, and the energy recycling is realized.
4) In the high-temperature air filter box disclosed in embodiment 2 of the present invention, the filter screen insertion end, the T-shaped seal, the filter screen frame, and the filter screen layer are provided, so that the circulating air can be filtered for many times, and the filter screen frame and the filter screen layer can be conveniently taken out, replaced, and dredged after being used for a long time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a first angular perspective structure of the present invention;
FIG. 2 is a schematic view of a second angular perspective structure according to the present invention;
FIG. 3 is a schematic view of the inner plane structure of the cooling box and the blanking tube body of the present invention;
FIG. 4 is a schematic isometric view of a cooling device for conveying material of a crawler belt according to the present invention;
FIG. 5 is a schematic view showing the inner plan structure of the heat exchange water tank of the present invention;
FIG. 6 is a schematic view of the internal plan structure of the heat exchange steam drum of the present invention;
FIG. 7 is a schematic perspective view of a heat exchange steam drum according to the present invention;
FIG. 8 is a schematic perspective view of a high temperature air filtration tank according to the present invention;
FIG. 9 is a schematic view of the internal plan structure of the high temperature air filtration tank of the present invention;
fig. 10 is a perspective view of a screen frame, a T-seal, etc. according to the present invention.
Wherein: 1-feeding hopper, 101-cold air inlet pipe, 102-hot air exhaust pipe, 2-cooling box, 3-blanking pipe body, 301-rotating shaft, 302-spiral conveying blade, 303-driving motor, 304-universal rotating member, 4-caterpillar conveying material cooling device, 401-driving motor, 402-driving roller, 403-driven roller, 404-flexible high temperature resistant caterpillar, 405-antiskid material convex strip, 406-cooling rectangular water tank, 407-water inlet pipe, 408-water outlet pipe, 5-collecting hopper, 501-baffle, 6-heat exchange water tank, 601-display, 602-temperature sensor, 7-heat exchange steam tank, 701-spiral heat exchange pipe, 702-steam cover, 703-steam exhaust pipe, 8-steam turbine, 801-power generation device, 9-high temperature air filter box, 901-filter screen insertion end, 902-filter screen frame, 903-filter screen layer, 904-T-shaped seal strip, 905-connecting hole, 906-connecting hole, 907-rubber seal strip, 10-circulating fan, 11-exhaust pipe, 12-curved heat exchange pipe, 13-medium temperature air pipe, 14-high temperature air pipe, 15-water pump, 16-first water pipe, 17-second water pipe, 18-heat insulation fixing block and 19-vibration motor.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.
It should be noted that the terms "first", "second" and the like in the description of the present invention are used for convenience only to describe different components, and are not to be construed as indicating or implying a sequential relationship, relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first", "second", may explicitly or implicitly include at least one of the feature.
The closed cycle iron and steel sintered red ore cooling device disclosed by the invention is further explained with reference to the attached drawings 1-10.
Example 1
The embodiment 1 discloses a closed-cycle iron and steel sintered red ore cooling device, which is mainly composed of a feeding hopper 1 and a cooling box 2 vertically arranged, and is shown in figures 1, 2 and 3. Wherein, the upper end of the charging hopper 1 is also provided with a sealing cover plate (not shown in the figure), the lower end of the charging hopper 1 is connected with an inclined blanking pipe body 3, the lower end of the blanking pipe body 3 is communicated with the upper surface of the cooling box 2, a rotating shaft 301 which is coincident with the central axis of the blanking pipe body 3 is arranged in the blanking pipe body 3, a spiral conveying blade 302 is arranged on the rotating shaft 301, the upper surface of the cooling box 2 is provided with a driving motor 303, and a universal rotating part 304 is connected between the end part of the rotating shaft 301 which is extended out of the lower end of the blanking pipe body 3 and the output shaft of the driving motor 303; the heated iron and steel sintered red ore in the feeding hopper can be transported into the cooling box 2 by the rotation of the driving motor 303.
Referring to the attached drawing 3, a plurality of caterpillar band material conveying and cooling devices 4 are arranged in the inner cavity of the cooling box 2 at intervals, each caterpillar band material conveying and cooling device 4 is arranged obliquely downwards, and two adjacent caterpillar band material conveying and cooling devices 4 are arranged in a bilateral symmetry mode. Specifically, the number of the caterpillar track conveying cooling devices 4 arranged in the inner cavity of the cooling box 2 is four, and the caterpillar track conveying cooling devices are arranged at intervals in an up-down and left-right symmetrical mode. The lower end of the cooling box 2 is connected with a collecting hopper 5, the collecting hopper 5 is provided with a baffle 501 in a drawing mode, the lower end of the right side face of the cooling box 2 is connected with a cold air inlet pipe 101, and the upper end of the right side face of the cooling box 2 is connected with a hot air exhaust pipe 102.
Referring to fig. 4, the caterpillar conveying and cooling device 4 comprises a transmission motor 401, a driving roller 402, a driven roller 403 and a flexible high-temperature resistant caterpillar 404, the flexible high-temperature resistant caterpillar 404 is wound between the driving roller 402 and the driven roller 403, an output shaft of the transmission motor 401 is connected with an output shaft of the driving roller 402, a plurality of anti-skid material convex strips 405 are arranged on the outer surface of the flexible high-temperature resistant caterpillar 404 at equal intervals, a cooling rectangular water tank 406 is arranged inside the flexible high-temperature resistant caterpillar 404, the upper surface of the cooling rectangular water tank 406 is attached to the lower surface of the upper end of the flexible high-temperature resistant caterpillar 404, and the rear side surface of the cooling rectangular water tank 406 is connected with a water inlet pipe 407 and a water outlet pipe 408. Wherein, the flexible high temperature resistant caterpillar 404 is made of copper or aluminum, and the cooling rectangular water tank 406 is also made of copper or aluminum.
Referring to fig. 1 and 5, a heat exchange water tank 6 is provided on the right side of the cooling tank 2, a heat exchange steam tank 7 is provided on the rear side of the heat exchange water tank 6, and a high temperature air filtering tank 9 is provided on the right side of the heat exchange steam tank 7 and the steam turbine 8. A circulating fan 10 is arranged on the upper surface of the heat exchange water tank 6, an air outlet end of the circulating fan 10 is connected with an exhaust pipe 11, the exhaust pipe 11 is connected with a cold air inlet pipe 101, an air inlet end of the circulating fan 10 is connected with a curved heat exchange pipe 12 extending into the heat exchange water tank 6, and sufficient drinking water is filled in the heat exchange water tank 6 (refer to fig. 5). Further, a display 601 is provided on the outer surface of the heat exchange water tank 6, and a temperature sensor 602 is provided inside the heat exchange water tank 6. The other end of the curved heat exchange tube 12 extends out of the heat exchange water tank 6 and is communicated with the front side face of the high-temperature air filter box 9, 3-5 filter screen frames are sequentially arranged in the high-temperature air filter box 9 from front to back, a filter screen layer is arranged in each filter screen frame, the aperture of a filter screen in the high-temperature air filter box 9 is sequentially increased from front to back, and the aperture of the filter screen layer 903 at the foremost side of the high-temperature air filter box 9 is controlled not to exceed 0.2 mm.
Referring to fig. 1, fig. 2 and fig. 6, a middle temperature air pipe 13 is connected to a rear side surface of the high temperature air filter box 9, a spiral heat exchange pipe 701 is disposed in the heat exchange steam tank 7, the middle temperature air pipe 13 extends into the heat exchange steam tank 7 and is connected to one end of the spiral heat exchange pipe 701, the other end of the spiral heat exchange pipe 701 is connected to a high temperature air pipe 14, an upper end of the high temperature air pipe 14 is connected to the hot air exhaust pipe 102, a steam cover 702 is disposed on an upper surface of the heat exchange steam tank 7, a steam exhaust pipe 703 is connected to an upper end of the steam cover 702, the steam exhaust pipe 703 is connected to the steam turbine 8, a rotating shaft of the steam turbine 8 is connected to a power generation device 801, and the power generation device 801 is a prior art, which will not be described in detail in this embodiment.
Referring to fig. 2, a water pump 15 is disposed at the lower end of the rear side of the cooling box 2, the water inlet end of the water pump 15 is connected to a water source, the water outlet end of the water pump 15 is connected to a vertical first water pipe 16, the water inlet pipe 107 of each of the track conveying cooling devices 4 is communicated with the first water pipe 16, the water outlet pipe 408 of each of the track conveying cooling devices 4 is connected to a second water pipe 17, and the lower end of the second water pipe 17 is communicated with the heat exchange steam tank 7.
Finally, it should be noted that the joints between the driving motor 303, the transmission motor 401 and the outer surface of the cooling box 2 in this embodiment are provided with heat insulation fixing blocks 18.
Example 2
Referring to the attached drawing 3, a plurality of caterpillar band material conveying and cooling devices 4 are arranged in the inner cavity of the cooling box 2 at intervals, each caterpillar band material conveying and cooling device 4 is arranged obliquely downwards, and two adjacent caterpillar band material conveying and cooling devices 4 are arranged in a bilateral symmetry mode. Specifically, the number of the caterpillar track conveying cooling devices 4 arranged in the inner cavity of the cooling box 2 is four, and the caterpillar track conveying cooling devices are arranged at intervals in an up-down and left-right symmetrical mode. The lower end of the cooling box 2 is connected with a collecting hopper 5, the collecting hopper 5 is provided with a baffle 501 in a drawing mode, the lower end of the right side face of the cooling box 2 is connected with a cold air inlet pipe 101, and the upper end of the right side face of the cooling box 2 is connected with a hot air exhaust pipe 102.
Referring to fig. 4, the caterpillar conveying and cooling device 4 comprises a transmission motor 401, a driving roller 402, a driven roller 403 and a flexible high-temperature resistant caterpillar 404, the flexible high-temperature resistant caterpillar 404 is wound between the driving roller 402 and the driven roller 403, an output shaft of the transmission motor 401 is connected with an output shaft of the driving roller 402, a plurality of anti-skid material convex strips 405 are arranged on the outer surface of the flexible high-temperature resistant caterpillar 404 at equal intervals, a cooling rectangular water tank 406 is arranged inside the flexible high-temperature resistant caterpillar 404, the upper surface of the cooling rectangular water tank 406 is attached to the lower surface of the upper end of the flexible high-temperature resistant caterpillar 404, and the rear side surface of the cooling rectangular water tank 406 is connected with a water inlet pipe 407 and a water outlet pipe 408. Wherein, the flexible high temperature resistant caterpillar 404 is made of copper or aluminum, and the cooling rectangular water tank 406 is also made of copper or aluminum.
Referring to fig. 1 and 5, a heat exchange water tank 6 is provided on the right side of the cooling tank 2, a heat exchange steam tank 7 and a steam turbine 8 are provided on the rear side of the heat exchange water tank 6, and a high temperature air filtering tank 9 is provided on the right side of the heat exchange steam tank 7 and the steam turbine 8. A circulating fan 10 is arranged on the upper surface of the heat exchange water tank 6, an air outlet end of the circulating fan 10 is connected with an exhaust pipe 11, the exhaust pipe 11 is connected with a cold air inlet pipe 101, an air inlet end of the circulating fan 10 is connected with a curved heat exchange pipe 12 extending into the heat exchange water tank 6, and sufficient drinking water is filled in the heat exchange water tank 6 (refer to fig. 5). Further, a display 601 is provided on the outer surface of the heat exchange water tank 6, and a temperature sensor 602 is provided inside the heat exchange water tank 6. The other end of the curved heat exchange tube 12 extends out of the heat exchange water tank 6 and is communicated with the front side surface of the high-temperature air filter box 9.
Referring to fig. 8, 9 and 10, in the present embodiment, the filter frame 902 is designed to be detachable, when specifically configured, at least two filter insertion ends 901 are disposed on the upper surface of the high-temperature air filter tank 9 at intervals, specifically, 3 to 5 filter insertion ends 901 disposed on the upper surface of the high-temperature air filter tank 9 in the present embodiment are provided. The filter screen inserting end 901 is provided with T-shaped slots communicated with the high-temperature air filtering box 9, each T-shaped slot is inserted with a filter screen frame 902, a filter screen layer 903 is arranged in each filter screen frame 902, the upper end of each filter screen frame 902 is provided with a T-shaped seal strip 904 matched with the upper end of the T-shaped slot, the T-shaped seal strip 904 is provided with a plurality of connecting holes 905, the side face of the filter screen inserting end 901 is in threaded connection with a fixing bolt 906 matched with each connecting hole 905, and the left side face and the right side face of the lower end of the T-shaped seal strip 904 are further provided with rubber seal strips 907. And the aperture of the filter screen in the high-temperature air filter box 9 is sequentially increased from front to back, and the aperture of the filter screen layer 903 at the foremost side of the high-temperature air filter box 9 is controlled not to exceed 0.2 mm.
Referring to fig. 1, fig. 2 and fig. 6, a middle temperature air pipe 13 is connected to a rear side surface of the high temperature air filter box 9, a spiral heat exchange pipe 701 is disposed in the heat exchange steam tank 7, the middle temperature air pipe 13 extends into the heat exchange steam tank 7 and is connected to one end of the spiral heat exchange pipe 701, the other end of the spiral heat exchange pipe 701 is connected to a high temperature air pipe 14, an upper end of the high temperature air pipe 14 is connected to the hot air exhaust pipe 102, a steam cover 702 is disposed on an upper surface of the heat exchange steam tank 7, a steam exhaust pipe 703 is connected to an upper end of the steam cover 702, the steam exhaust pipe 703 is connected to the steam turbine 8, a rotating shaft of the steam turbine 8 is connected to a power generation device 801, and the power generation device 801 is a prior art, which will not be described in detail in this embodiment.
Referring to fig. 2, a water pump 15 is disposed at the lower end of the rear side of the cooling box 2, the water inlet end of the water pump 15 is connected to a water source, the water outlet end of the water pump 15 is connected to a vertical first water pipe 16, the water inlet pipe 107 of each of the track conveying cooling devices 4 is communicated with the first water pipe 16, the water outlet pipe 408 of each of the track conveying cooling devices 4 is connected to a second water pipe 17, and the lower end of the second water pipe 17 is communicated with the heat exchange steam tank 7. In this embodiment, the joints between the driving motor 303 and the cooling box 2, and between the driving motor 401 and the cooling box 2, are provided with heat insulation fixing blocks 18.
Finally, in the embodiment 2, the vibration motor 19 is installed on the outer surface of the collecting hopper 5, and the arrangement of the vibration motor 19 can accelerate the blanking of the red ore after the collecting hopper 5 is cooled.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The closed-cycle steel sintered red ore cooling device is characterized by comprising a feeding hopper (1) and a cooling box (2) which is vertically arranged, wherein the lower end of the feeding hopper (1) is connected with an inclined blanking pipe body (3), and the lower end of the blanking pipe body (3) is communicated with the upper surface of the cooling box (2);
a rotating shaft (301) which is coincident with the central axis of the blanking pipe body (3) is arranged in the blanking pipe body (3), a spiral conveying blade (302) is arranged on the rotating shaft (301), a driving motor (303) is arranged on the upper surface of the cooling box (2), and a universal rotating member (304) is connected between the end part of the rotating shaft (301) which is transmitted out of the lower end of the blanking pipe body (3) and the output shaft of the driving motor (303);
a plurality of crawler belt material conveying and cooling devices (4) are arranged in the inner cavity of the cooling box (2) at intervals, each crawler belt material conveying and cooling device (4) is arranged obliquely downwards, two adjacent crawler belt material conveying and cooling devices (4) are symmetrically arranged left and right, the lower end of the cooling box (2) is connected with a material collecting hopper (5), a baffle (501) is arranged on the material collecting hopper (5) in a drawing mode, the lower end of the right side face of the cooling box (2) is connected with a cold air inlet pipe (101), and the upper end of the right side face of the cooling box (2) is connected with a hot air exhaust pipe (102);
the caterpillar conveying and cooling device (4) comprises a transmission motor (401), a driving roller (402), a driven roller (403) and a flexible high-temperature-resistant caterpillar track (404), wherein the transmission motor (401), the driving roller (402), the driven roller (403) and the flexible high-temperature-resistant caterpillar track (404) are arranged on the front side surface of a cooling box (2), the flexible high-temperature-resistant caterpillar track (404) is wound between the driving roller (402) and the driven roller (403), an output shaft of the transmission motor (401) is connected with an output shaft of the driving roller (402), a plurality of anti-skid material raised strips (405) are arranged on the outer surface of the flexible high-temperature-resistant caterpillar track (404) at equal intervals, a rectangular cooling water tank (406) is arranged inside the flexible high-temperature-resistant caterpillar track (404), the upper surface of the rectangular cooling water tank (406) is attached to the lower surface of the upper end of the flexible high-temperature-resistant caterpillar track (404), and the rear side surface of the rectangular cooling water tank (406) is connected with a water inlet pipe (407) and a water outlet pipe (408);
the right side of the cooling box (2) is provided with a heat exchange water tank (6), the rear side of the heat exchange water tank (6) is provided with a heat exchange steam tank (7) and a steam turbine (8), the right side of the heat exchange steam tank (7) and the steam turbine (8) is provided with a high-temperature air filtering box (9), the upper surface of the heat exchange water tank (6) is provided with a circulating fan (10), the air outlet end of the circulating fan (10) is connected with an exhaust pipe (11), the exhaust pipe (11) is connected with a cold air inlet pipe (101), the air inlet end of the circulating fan (10) is connected with a curved heat exchange pipe (12) extending into the heat exchange water tank (6), sufficient drinking water is filled in the heat exchange water tank (6), the other end of the curved heat exchange pipe (12) extends out of the heat exchange water tank (6) and is communicated with the front side surface of the high-temperature air filtering box (9), at least two filter screen insertion ends (901) are arranged on the upper surface of the high-temperature air filtering box (9) at intervals, T-shaped slots communicated with the high-temperature air filtering box (9) are formed in the filter screen insertion ends (901), a filter screen frame (902) is inserted into each T-shaped slot, a filter screen layer (903) is arranged in each filter screen frame (902), a T-shaped seal strip (904) matched with the upper end of each T-shaped slot is arranged at the upper end of each filter screen frame (902), a plurality of connecting holes (905) are formed in each T-shaped seal strip (904), fixing bolts (906) matched with each connecting hole (905) are screwed on the side surface of each filter screen insertion end (901), and the aperture of a filter screen in the high-temperature air filtering box (9) is sequentially increased from front to back;
the rear side face of the high-temperature air filter box (9) is connected with a medium-temperature air pipe (13), a spiral heat exchange pipe (701) is arranged in the heat exchange steam tank (7), the medium-temperature air pipe (13) extends into the heat exchange steam tank (7) to be connected with one end of the spiral heat exchange pipe (701), the other end of the spiral heat exchange pipe (701) is connected with a high-temperature air pipe (14), the upper end of the high-temperature air pipe (14) is connected with a hot air exhaust pipe (102), the upper surface of the heat exchange steam tank (7) is provided with a steam cover (702), the upper end of the steam cover (702) is connected with a steam exhaust pipe (703), the steam exhaust pipe (703) is connected with a steam turbine (8), and a rotating shaft of the steam turbine (8) is connected with a power generation device (801);
be located the rear side lower extreme of cooler bin (2) is provided with water pump (15), the end of intaking of water pump (15) is connected with the water source, the play water end of water pump (15) is connected with vertical first water pipe (16), every inlet tube (407) in the defeated material cooling device of track (4) are linked together with first water pipe (16), every outlet pipe (408) in the defeated material cooling device of track (4) are connected second water pipe (17) jointly, the lower extreme and heat exchange steam drum (7) of second water pipe (17) are linked together, the upper end of going up hopper (1) still is provided with sealed apron.
2. The closed cycle steel sinter red ore cooling device of claim 1, wherein: and heat insulation fixing blocks (18) are arranged at the joints of the driving motor (303), the transmission motor (401) and the outer surface of the cooling box (2).
3. The closed cycle steel sinter red ore cooling device of claim 1, wherein: the inner cavity of the cooling box (2) is internally provided with four crawler belt conveying cooling devices (4) which are arranged at intervals up and down and are arranged in a bilateral symmetry mode.
4. The closed cycle steel sinter red ore cooling device of claim 1, wherein: the flexible high temperature resistant track (404) is made of copper or aluminum, and the cooling rectangular water tank (406) is also made of copper or aluminum.
5. The closed cycle steel sinter red ore cooling device of claim 1, wherein: the outer surface of the heat exchange water tank (6) is provided with a display (601), and a temperature sensor (602) is arranged inside the heat exchange water tank (6).
6. The closed cycle steel sinter red ore cooling device of claim 1, wherein: the filter screen insertion ends (901) arranged on the upper surface of the high-temperature air filtering box (9) are 3-5.
7. The closed cycle steel sinter red ore cooling device of claim 1, wherein: the left side and the right side of the lower end of the T-shaped seal (904) are also provided with rubber seals (907).
8. The closed cycle steel sinter red ore cooling device of claim 7, wherein: the aperture of the filter screen layer (903) at the foremost side of the high-temperature air filter box (9) is not more than 0.2 mm.
9. The closed cycle steel sinter red ore cooling device of claim 1, wherein: and a vibration motor (19) is arranged on the outer surface of the collecting hopper (5).
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