CN117602381A - Dynamic pneumatic conveying balancing device for pulverized coal conveying - Google Patents
Dynamic pneumatic conveying balancing device for pulverized coal conveying Download PDFInfo
- Publication number
- CN117602381A CN117602381A CN202410096137.5A CN202410096137A CN117602381A CN 117602381 A CN117602381 A CN 117602381A CN 202410096137 A CN202410096137 A CN 202410096137A CN 117602381 A CN117602381 A CN 117602381A
- Authority
- CN
- China
- Prior art keywords
- conveying
- pulverized coal
- cooling
- conveyer pipe
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003245 coal Substances 0.000 title claims abstract description 74
- 238000001816 cooling Methods 0.000 claims abstract description 48
- 230000007246 mechanism Effects 0.000 claims abstract description 42
- 238000005303 weighing Methods 0.000 claims abstract description 13
- 239000000428 dust Substances 0.000 claims abstract description 10
- 238000007599 discharging Methods 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 22
- 239000010959 steel Substances 0.000 claims description 22
- 210000001503 joint Anatomy 0.000 claims description 15
- 239000000110 cooling liquid Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 11
- 239000000463 material Substances 0.000 description 9
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 description 4
- 239000002817 coal dust Substances 0.000 description 4
- 239000002826 coolant Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/005—Control arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/34—Emptying devices
- B65G65/40—Devices for emptying otherwise than from the top
- B65G65/46—Devices for emptying otherwise than from the top using screw conveyors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/14—Pulverising loaded or unloaded materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/20—Auxiliary treatments, e.g. aerating, heating, humidifying, deaerating, cooling, de-watering or drying, during loading or unloading; Loading or unloading in a fluid medium other than air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/04—Detection means
-
- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Transport Of Granular Materials (AREA)
Abstract
The invention relates to the technical field of pulverized coal pneumatic conveying, and provides a dynamic pneumatic conveying balancing device for pulverized coal conveying, which comprises a blower, a conveying pipe and a cooling mechanism arranged on the conveying pipe, wherein the blower is fixedly arranged at the front end of the conveying pipe, an air outlet of the blower is communicated with the conveying pipe, a feeding mechanism is fixedly arranged at the front end of the conveying pipe and at one side close to the blower, a dust remover is fixedly arranged at the tail end of the conveying pipe, the dust remover is fixedly arranged at the feeding port of a storage bin, the bottom of the storage bin is connected with a discharging box, and a weighing device is arranged between the feeding mechanism and the cooling mechanism at the front end of the conveying pipe; the device keeps the stability and the quality of the pulverized coal by reducing the temperature of the pulverized coal, improves the safety in the pulverized coal conveying process, and can timely adjust the blanking quantity of the feeding mechanism according to the demand quantity of the tail-end pulverized coal furnace, thereby ensuring that the pulverized coal middle bin is always in a dynamic balance state and avoiding the phenomenon of hardening when the pulverized coal is stored for a long time.
Description
Technical Field
The invention relates to the technical field of pulverized coal pneumatic conveying, in particular to a dynamic pneumatic conveying balancing device for pulverized coal conveying.
Background
The dynamic pneumatic conveying device for coal powder is one kind of continuous coal powder conveying equipment, and consists of mainly feeding device, air conveying pipeline, power unit, etc. The feeding device comprises a feeding hopper and a small fan, the feeding hopper is used for storing pulverized coal, and the small fan is used for blowing the pulverized coal to a destination through an air conveying pipeline. The air conveying pipeline is a pipeline for connecting the feeding device and the power device, and high-speed airflow flows in the pipeline to carry the pulverized coal to a destination. The power device comprises a high-pressure fan and a control system, wherein the high-pressure fan provides air flow power, and the control system controls the operation of the fan and the conveying speed of coal dust. The dynamic pneumatic conveying device for the pulverized coal can effectively avoid the problems of difficulty and pollution of manually conveying the pulverized coal, improve the conveying efficiency and quickly convey the pulverized coal to a required place.
Through retrieval, the prior patent (publication number: CN 217102129U) discloses a pneumatic conveying device for coal dust, which comprises a portal-shaped mounting frame, a conveying pipeline is arranged below the portal-shaped mounting frame, a crushing mechanism, a screening mechanism and a material guiding mechanism are sequentially arranged on the portal-shaped mounting frame from top to bottom, one end of the top of the crushing mechanism is communicated with a feeding hopper, one end of the bottom of the crushing mechanism is communicated with the top of the screening mechanism, the bottom of the screening mechanism is connected with a discharging pipe, the discharging pipe extends downwards to the upper part inside the material guiding mechanism, a discharging pipe is communicated between the bottom of the material guiding mechanism and the conveying pipeline, a blower is fixed on one side of the vertical part of the portal-shaped mounting frame, an air outlet end of the blower is communicated with an air inlet pipe, one end of the conveying pipeline, which is close to the blower, is arranged in a closed manner, and the air inlet pipe penetrates through the closed end of the conveying pipeline and extends to the inside the conveying pipeline. The coal powder can be crushed and screened before entering the conveying pipeline, and the coal powder uniformly enters the conveying pipeline through the material guiding mechanism, so that the conveying pipeline is prevented from being blocked.
However, the following problems are found in the implementation related art: (1) The conveying device does not cool the pulverized coal in the pulverized coal conveying process, and because a large amount of heat and carbon monoxide are generated in the pulverized coal conveying process, the pulverized coal has the characteristics of inflammability and explosiveness, the stability and the quality are not guaranteed in the conveying process, safety accidents are easy to cause, and great potential safety hazards exist; (2) In the conveying process, the device can not automatically adjust the conveying output according to the demand of the tail-end pulverized coal furnace, and timely adjusts the discharging quantity of the feeding mechanism, so that the pulverized coal intermediate bin is difficult to ensure to be in a dynamic balance state all the time, and the phenomenon that pulverized coal is stored for a long time and is agglomerated is easily caused.
Disclosure of Invention
The invention provides a dynamic pneumatic conveying balancing device for pulverized coal conveying, and aims to solve the problems that the stability and quality of pulverized coal cannot be guaranteed and safety accidents are easy to cause in the existing pulverized coal pneumatic conveying process.
The technical scheme of the invention is as follows: the utility model provides a dynamic air conveying balancing unit for buggy is carried, includes air-blower, conveyer pipe and installs the cooling body on the conveyer pipe, air-blower fixed mounting is at the front end of conveyer pipe, and the air outlet and the conveyer pipe of air-blower communicate with each other, the front end of conveyer pipe and be close to the fixed feed mechanism that is provided with in one side of air-blower, the end fixed mounting of conveyer pipe has the dust remover, dust remover fixed mounting is in the feed inlet department of feed bin, the feed bin erects in the frame, just the bottom of feed bin is connected with the discharge box, one side fixed mounting of discharge box has the discharge motor, the front end of conveyer pipe just is located and installs weighing device between feed mechanism and the cooling body, the CO detector is installed at the top of feed bin.
Further, the cooling mechanism comprises a cooling cylinder, cooling plates are connected to the two ends of the cooling cylinder in a threaded mode, butt joints are connected to the outer sides of the cooling plates in a threaded mode, the butt joints are connected to the two ends of the conveying pipe in a flange mode respectively, and a cooling liquid inlet and a liquid outlet are formed in the outer surface of the cooling cylinder respectively.
Further, a plurality of through holes are formed in the surfaces of the cooling plates in an equidistant and spaced arrangement mode, a plurality of seamless steel pipes are sleeved in the through holes, the seamless steel pipes are located between the two cooling plates, and gaps are formed between the adjacent seamless steel pipes.
Further, the inner diameter of the cooling cylinder is larger than the butt joint at the two ends, and the butt joint is communicated with the conveying pipe.
Further, feed mechanism includes the delivery box, fixed mounting has inverter motor on the one end lateral wall of delivery box, inverter motor's output shaft fixedly connected with conveyer rod, the one end of conveyer rod passes through bearing movable assembly on the inside wall of delivery box, the delivery box is kept away from inverter motor's one end bottom and has been seted up the discharge gate that link up mutually with the conveyer pipe.
Further, the outer wall of the conveying rod is provided with a spiral conveying blade, and the spiral conveying blade is arranged in a threaded mode along the length direction of the conveying rod.
Further, a feed inlet communicated with the bottom of the storage bin is formed in the top of the discharge box, a discharge hole corresponding to the feed inlet is formed in the bottom of the discharge box, and a cavity is formed in the discharge box.
Further, the output shaft fixedly connected with pivot of row material motor, in the cavity of row material case was located to the pivot, and fixedly mounted with a plurality of flitch down on the outer wall of pivot, a plurality of the flitch down is the symmetric distribution along the central axis direction of pivot.
Further, the weighing device is a rotor balance conveying device, and a processor in signal connection with the input end of the variable frequency motor is further arranged in the weighing device.
The working principle and the beneficial effects of the invention are as follows:
1. in the present invention; through installing cooling mechanism on the conveyer pipe, utilize to add a certain amount of coolant liquid in the coolant liquid entry, make the coolant liquid fill in the space between a plurality of seamless steel pipes, after the buggy is carried to the butt joint of cooling cylinder one end, in entering seamless steel pipe by a plurality of through-holes, the heat of buggy self carries out cold and heat exchange in passing through the pipe wall transfer of seamless steel pipe to the coolant liquid outside the pipe to reach refrigerated effect, through reducing buggy temperature, with stability and the quality that keeps the buggy, and then improved the security in the buggy transportation process.
2. In the present invention; the device can feed back the rotor balance conveyor according to the demand of terminal buggy stove but automatic adjustment carries output, and its conveyer pipe front end has weighing device, and the difference of rotor balance's unloading volume and buggy intermediate bin unloading volume is fed back to front end feed mechanism's inverter motor through the treater, timely adjustment feed mechanism's unloading volume to the buggy intermediate bin is in dynamic balance state all the time, avoids buggy to deposit for a long time to have the hardening phenomenon.
3. In the present invention; after the buggy gets into the delivery box, drive the conveyer rod through starting inverter motor and rotate to drive screw conveyor blade along the length direction screw thread rotation of conveyer rod, constantly carry the buggy to discharge gate department and fall into in the conveyer pipe of below, and screw conveyor blade is in rotatory in-process, can effectively cut massive buggy broken, make the buggy that gets into in the conveyer pipe be the powdery material that the volume is less, the blast blower of being convenient for can be better blows the output, improves conveying efficiency, and can effectively avoid the conveyer pipe to cause the jam.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a cooling mechanism according to the present invention;
FIG. 3 is an assembly schematic diagram of a seamless steel pipe according to the present invention;
FIG. 4 is a schematic structural view of a feeding mechanism according to the present invention;
FIG. 5 is a schematic diagram illustrating the assembly of a discharge motor and a discharge box according to the present invention;
FIG. 6 is a schematic diagram of a blanking plate according to the present invention;
fig. 7 is a bottom view of the discharging box according to the present invention.
In the figure: 1. a blower; 2. a delivery tube; 3. a feed mechanism; 301. a delivery box; 302. a variable frequency motor; 303. a conveying rod; 304. spiral conveying blades; 305. a discharge port; 4. a dust remover; 5. a storage bin; 6. a discharge box; 601. a feed inlet; 602. a cavity; 603. a discharge port; 7. a discharging motor; 701. a rotating shaft; 702. a blanking plate; 8. a frame; 9. a cooling mechanism; 901. a cooling cylinder; 902. a cooling plate; 903. butt joint; 904. a cooling liquid inlet; 905. a liquid outlet; 906. a seamless steel pipe; 907. a through hole; 10. a weighing device; 11. a CO detector.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-7, the present invention provides a technical solution:
a dynamic pneumatic conveying balancing device for pulverized coal conveying comprises a blower 1, a conveying pipe 2 and a cooling mechanism 9 arranged on the conveying pipe 2, wherein the blower 1 is fixedly arranged at the front end of the conveying pipe 2, an air outlet of the blower 1 is communicated with the conveying pipe 2, a feeding mechanism 3 is fixedly arranged at the front end of the conveying pipe 2 and close to one side of the blower 1, a dust remover 4 is fixedly arranged at the tail end of the conveying pipe 2, the dust remover 4 is fixedly arranged at a feeding hole of a storage bin 5, the storage bin 5 is erected on a frame 8, the bottom of the storage bin 5 is connected with a discharge box 6, a discharge motor 7 is fixedly arranged at one side of the discharge box 6, a weighing device 10 is arranged between the feeding mechanism 3 and the cooling mechanism 9 at the front end of the conveying pipe 2, and a CO detector 11 is arranged at the top of the storage bin 5.
In this embodiment, during the pulverized coal conveying process, a large amount of carbon monoxide gas is generated, if the concentration of carbon monoxide is too high, the health of the staff is seriously affected, the CO detector 11 can monitor the concentration of carbon monoxide in the bin 5 in real time, and if the concentration exceeds a safety threshold, an alarm is sent to remind the staff to pay attention to safety.
Referring to fig. 2 and 3, the cooling mechanism 9 includes a cooling cylinder 901, two ends of the cooling cylinder 901 are screwed with cooling plates 902, an outer side of each cooling plate 902 is screwed with an opposite joint 903, the opposite joints 903 are respectively connected with two ends of a conveying pipe 2 in a flange manner, a cooling liquid inlet 904 and a liquid outlet 905 are respectively formed in an outer surface of the cooling cylinder 901, a plurality of through holes 907 which are arranged at equal intervals are formed in the surface of each cooling plate 902, seamless steel pipes 906 are sleeved in the plurality of through holes 907, the plurality of seamless steel pipes 906 are positioned between the two cooling plates 902 oppositely, and gaps are formed between the adjacent seamless steel pipes 906;
in this embodiment, a certain amount of cooling liquid is added into the cooling liquid inlet 904 in advance, so that the cooling liquid is filled in the gaps between the seamless steel pipes 906, after the pulverized coal is conveyed to the butt joint 903 at one end of the cooling cylinder 901, the pulverized coal enters the seamless steel pipes 906 through the through holes 907, and the heat of the pulverized coal is transferred to the cooling liquid outside the pipes through the pipe walls of the seamless steel pipes 906 to implement cold-heat exchange, thereby achieving the cooling effect, and maintaining the stability and quality of the pulverized coal by reducing the temperature of the pulverized coal.
Wherein, the inner diameter of the cooling cylinder 901 is larger than the butt joint 903 at the two ends, and the butt joint 903 is communicated with the conveying pipe 2; by enlarging the inner diameter of the cooling cylinder 901, the circulation volume of the pulverized coal entering the seamless steel pipes 906 is enlarged, so that the pulverized coal can enter each seamless steel pipe 906 more fully and uniformly, a larger heat dissipation space is provided, and rapid heat dissipation and cooling of the pulverized coal are facilitated.
Referring to fig. 4, the feeding mechanism 3 includes a conveying box 301, a variable frequency motor 302 is fixedly mounted on a side wall at one end of the conveying box 301, an output shaft of the variable frequency motor 302 is fixedly connected with a conveying rod 303, one end of the conveying rod 303 is movably assembled on the inner side wall of the conveying box 301 through a bearing, a discharge hole 305 communicated with a conveying pipe 2 is formed in the bottom of one end of the conveying box 301 far away from the variable frequency motor 302, a spiral conveying blade 304 is arranged on the outer wall of the conveying rod 303, and the spiral conveying blade 304 is arranged in a threaded shape along the length direction of the conveying rod 303;
in this embodiment, after the pulverized coal enters the conveying box 301, the variable frequency motor 302 is started to drive the conveying rod 303 to rotate, so as to drive the spiral conveying blade 304 to rotate along the screw thread in the length direction of the conveying rod 303, the pulverized coal is continuously conveyed to the discharge hole 305 and falls into the conveying pipe 2 below, and the spiral conveying blade 304 can effectively cut and crush the massive pulverized coal in the rotating process, so that the pulverized coal entering the conveying pipe 2 is a powdery material with smaller volume, the blower 1 can blow and output better, the conveying efficiency is improved, and the blockage of the conveying pipe 2 can be effectively avoided.
Referring to fig. 5, 6 and 7, a feed inlet 601 communicated with the bottom of a bin 5 is arranged at the top of a discharge box 6, a discharge outlet 603 corresponding to the feed inlet 601 is arranged at the bottom of the discharge box 6, a cavity 602 is arranged in the discharge box 6, an output shaft of a discharge motor 7 is fixedly connected with a rotating shaft 701, the rotating shaft 701 is arranged in the cavity 602 of the discharge box 6, a plurality of blanking plates 702 are fixedly arranged on the outer wall of the rotating shaft 701, and the blanking plates 702 are symmetrically distributed along the central axis direction of the rotating shaft 701;
in this embodiment, after the pulverized coal enters the cavity 602 of the discharge box 6 from the bin 5, the discharge motor 7 is started to drive the rotating shaft 701 to rotate, so as to drive the plurality of blanking plates 702 to rotate, so that the pulverized coal falling into the feed inlet 601 is uniformly dispersed and uniformly blanked through the discharge opening 603.
In this embodiment, the weighing device 10 is a rotor balance conveying device, and the weighing device 10 further includes a processor connected with the input end of the variable frequency motor 302 in a signal manner; the feeding quantity of the feeding mechanism 3 is timely adjusted by feeding the variable frequency motor 302 of the forefront feeding mechanism 3 back to the processor, so that the pulverized coal middle feed bin 5 is always in a dynamic balance state, and the phenomenon of hardening during long-time storage of pulverized coal is avoided.
The working principle and the using flow of the invention are as follows: when the dynamic pneumatic conveying balancing device for conveying pulverized coal is used, pulverized coal enters a conveying pipe 2 from a feeding mechanism 3, after the pulverized coal enters a conveying box 301, a variable frequency motor 302 is started to drive a conveying rod 303 to rotate, so that a spiral conveying blade 304 is driven to rotate along the length direction of the conveying rod 303, the pulverized coal is continuously conveyed to a discharge hole 305 and falls into the conveying pipe 2 below, in the rotating process of the spiral conveying blade 304, massive pulverized coal can be effectively cut and crushed, the pulverized coal entering the conveying pipe 2 is a powdery material with smaller volume, the pulverized coal can be conveniently and well blown out by a blower 1, the conveying efficiency is improved, and the blockage of the conveying pipe 2 can be effectively avoided; by adding a certain amount of cooling liquid into the cooling liquid inlet 904 in advance, the cooling liquid is filled in gaps among the seamless steel pipes 906, after the pulverized coal is conveyed to the butt joint 903 at one end of the cooling cylinder 901, the pulverized coal enters the seamless steel pipes 906 through the through holes 907, and the heat of the pulverized coal is transferred to the cooling liquid outside the pipes through the pipe walls of the seamless steel pipes 906 to implement cold-heat exchange, so that the cooling effect is achieved, and the stability and quality of the pulverized coal are maintained by reducing the temperature of the pulverized coal; when coal dust enters the cavity 602 of the discharge box 6 from the feed bin 5, the discharge motor 7 is started to drive the rotary shaft 701 to rotate, so that the plurality of blanking plates 702 are driven to rotate, and the coal dust falling into the feed inlet 601 is uniformly dispersed and uniformly discharged through the discharge outlet 603; in the conveying process, the conveying output can be automatically adjusted by feeding back the conveying device of the rotor scale according to the required quantity of the tail-end pulverized coal furnace, the front end of the conveying pipe 2 is provided with the weighing device 10, the difference value between the blanking quantity of the rotor scale and the blanking quantity of the pulverized coal middle bin 5 is fed back to the variable frequency motor 302 of the front-end feeding mechanism 3 through the processor, the blanking quantity of the feeding mechanism 3 is timely adjusted, and therefore the pulverized coal middle bin 5 is always in a dynamic balance state, and the phenomenon of hardening of pulverized coal stored for a long time is avoided.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (9)
1. The utility model provides a dynamic air conveying balancing unit for buggy is carried, includes air-blower (1), conveyer pipe (2) and installs cooling body (9) on conveyer pipe (2), its characterized in that: the utility model discloses a feed bin, including conveyer pipe (2), dust remover (4) are installed in the front end of conveyer pipe (1), and the air outlet of conveyer pipe (1) communicates with each other with conveyer pipe (2), the front end of conveyer pipe (2) just is close to one side of blower (1) and is fixedly provided with feed mechanism (3), the end fixed mounting of conveyer pipe (2) has dust remover (4), dust remover (4) fixed mounting is in the feed inlet department of feed bin (5), feed bin (5) erect on frame (8), just the bottom of feed bin (5) is connected with discharge box (6), one side fixed mounting of discharge box (6) has discharge motor (7), install weighing device (10) between feed mechanism (3) and cooling body (9) in the front end of conveyer pipe (2), CO detector (11) are installed at the top of feed bin (5).
2. A dynamic pneumatic conveying balance device for pulverized coal conveying according to claim 1, wherein: the cooling mechanism (9) comprises a cooling cylinder (901), cooling plates (902) are screwed at two ends of the cooling cylinder (901), butt joints (903) are screwed on the outer sides of the cooling plates (902), the butt joints (903) are respectively connected with two ends of the conveying pipe (2) in a flange mode, and a cooling liquid inlet (904) and a liquid outlet (905) are respectively formed in the outer surface of the cooling cylinder (901).
3. A dynamic pneumatic conveying balance device for pulverized coal conveying according to claim 2, wherein: the cooling device is characterized in that a plurality of through holes (907) are formed in the surface of each cooling plate (902) in an equidistant and spaced arrangement mode, a plurality of seamless steel pipes (906) are sleeved in the through holes (907), the seamless steel pipes (906) are located between the two cooling plates (902) in a relative mode, and gaps are formed between the adjacent seamless steel pipes (906).
4. A dynamic pneumatic conveying balance device for pulverized coal conveying according to claim 2, wherein: the inner diameter of the cooling cylinder (901) is larger than that of the butt joint (903) at two ends, and the butt joint (903) is communicated with the conveying pipe (2).
5. A dynamic pneumatic conveying balance device for pulverized coal conveying according to claim 1, wherein: feeding mechanism (3) are including carrying case (301), fixed mounting has inverter motor (302) on the one end lateral wall of carrying case (301), the output shaft fixedly connected with conveying rod (303) of inverter motor (302), the one end of conveying rod (303) passes through bearing movable assembly on the inside wall of carrying case (301), discharge gate (305) that link up mutually with conveyer pipe (2) are offered to the one end bottom that inverter motor (302) was kept away from to carrying case (301).
6. A dynamic pneumatic conveying balance device for pulverized coal conveying according to claim 5, wherein: the outer wall of the conveying rod (303) is provided with a spiral conveying blade (304), and the spiral conveying blade (304) is arranged in a threaded mode along the length direction of the conveying rod (303).
7. A dynamic pneumatic conveying balance device for pulverized coal conveying according to claim 1, wherein: the top of the discharge box (6) is provided with a feed inlet (601) communicated with the bottom of the storage bin (5), the bottom of the discharge box (6) is provided with a discharge outlet (603) corresponding to the feed inlet (601), and a cavity (602) is formed in the discharge box (6).
8. A dynamic pneumatic conveying balance device for pulverized coal conveying according to claim 1, wherein: the output shaft of the discharging motor (7) is fixedly connected with a rotating shaft (701), the rotating shaft (701) is arranged in a cavity (602) of the discharging box (6), a plurality of blanking plates (702) are fixedly arranged on the outer wall of the rotating shaft (701), and the blanking plates (702) are symmetrically distributed along the central axis direction of the rotating shaft (701).
9. A dynamic pneumatic conveying balance device for pulverized coal conveying according to claim 1, wherein: the weighing device (10) is a rotor balance conveying device, and a processor in signal connection with the input end of the variable frequency motor (302) is further arranged in the weighing device (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410096137.5A CN117602381A (en) | 2024-01-24 | 2024-01-24 | Dynamic pneumatic conveying balancing device for pulverized coal conveying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410096137.5A CN117602381A (en) | 2024-01-24 | 2024-01-24 | Dynamic pneumatic conveying balancing device for pulverized coal conveying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117602381A true CN117602381A (en) | 2024-02-27 |
Family
ID=89953946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410096137.5A Pending CN117602381A (en) | 2024-01-24 | 2024-01-24 | Dynamic pneumatic conveying balancing device for pulverized coal conveying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117602381A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102320451A (en) * | 2011-06-15 | 2012-01-18 | 徐慎山 | Novel blade feeder |
| CN103712847A (en) * | 2013-12-27 | 2014-04-09 | 北京雪迪龙科技股份有限公司 | Tubular cooler |
| CN207748430U (en) * | 2017-12-22 | 2018-08-21 | 北京京城环保股份有限公司 | A kind of dewatered sludge conveying device |
| CN208560957U (en) * | 2018-08-03 | 2019-03-01 | 内蒙古柠植源生物科技有限公司 | A kind of closed intelligent transportation system of weathering coal dust |
| CN111121930A (en) * | 2019-12-16 | 2020-05-08 | 合肥固泰自动化有限公司 | Automatic control system of constant feeder |
| CN218087876U (en) * | 2022-08-30 | 2022-12-20 | 佛山市业华陶瓷机械设备有限公司 | High-temperature powder conveying and circulating system |
-
2024
- 2024-01-24 CN CN202410096137.5A patent/CN117602381A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102320451A (en) * | 2011-06-15 | 2012-01-18 | 徐慎山 | Novel blade feeder |
| CN103712847A (en) * | 2013-12-27 | 2014-04-09 | 北京雪迪龙科技股份有限公司 | Tubular cooler |
| CN207748430U (en) * | 2017-12-22 | 2018-08-21 | 北京京城环保股份有限公司 | A kind of dewatered sludge conveying device |
| CN208560957U (en) * | 2018-08-03 | 2019-03-01 | 内蒙古柠植源生物科技有限公司 | A kind of closed intelligent transportation system of weathering coal dust |
| CN111121930A (en) * | 2019-12-16 | 2020-05-08 | 合肥固泰自动化有限公司 | Automatic control system of constant feeder |
| CN218087876U (en) * | 2022-08-30 | 2022-12-20 | 佛山市业华陶瓷机械设备有限公司 | High-temperature powder conveying and circulating system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101486234B (en) | Environment friendly recycling prilling unit for plastic foam | |
| CN201567035U (en) | Buffering gas-locking type guide slot | |
| CN101486249A (en) | Compression extrusion main unit of environment friendly recycling prilling unit for plastic foam | |
| CN109745919B (en) | Straw material particle processing equipment and straw material particle processing method | |
| CN117602381A (en) | Dynamic pneumatic conveying balancing device for pulverized coal conveying | |
| CN212481310U (en) | Stokehole feeding and crushing equipment of circulating fluidized bed garbage incinerator | |
| CN101486248B (en) | Delivery conduit of plastic foam environment friendly recycling prilling unit | |
| CN116585866B (en) | Dry denitration system | |
| CN201313358Y (en) | Crusher of foam plastic environmental-protection recycling granulating machine set | |
| CN210171629U (en) | Liquid nitrogen pulverizer | |
| CN106900273B (en) | Transmission auger mechanism | |
| CN220501693U (en) | Spreading and cooling machine scattering device | |
| CN113390228A (en) | Powder coating cooling control system | |
| CN209853364U (en) | Powdered coal bin discharging device | |
| CN214371261U (en) | Cooler for fertilizer production | |
| CN218537868U (en) | Uniform coal powder feeding and weighing device | |
| CN219880040U (en) | Cement mill selects whitewashed device | |
| CN213713080U (en) | Online sand supplementing device of circulating fluidized bed garbage furnace | |
| CN219631544U (en) | Spiral air locking discharging device for cage crusher | |
| CN219788543U (en) | Polyethylene wax high temperature separation cutting cooling device | |
| CN218282057U (en) | Flour milling system | |
| CN221076517U (en) | Quick steady unloader in coal mill buggy storehouse | |
| CN220670165U (en) | Tricalcium phosphate calcining device | |
| CN219024405U (en) | Cooling and dust removing device of unmanned rice mill | |
| CN215438311U (en) | Automatic coal conveying system device of changing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |