CN112456154A - Sealing feeding method for sheet and block materials - Google Patents
Sealing feeding method for sheet and block materials Download PDFInfo
- Publication number
- CN112456154A CN112456154A CN202011496165.4A CN202011496165A CN112456154A CN 112456154 A CN112456154 A CN 112456154A CN 202011496165 A CN202011496165 A CN 202011496165A CN 112456154 A CN112456154 A CN 112456154A
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- feeding
- sealing device
- storage chamber
- movable sealing
- processing equipment
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- 238000007789 sealing Methods 0.000 title claims abstract description 157
- 239000000463 material Substances 0.000 title claims abstract description 142
- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000003860 storage Methods 0.000 claims abstract description 109
- 230000001681 protective effect Effects 0.000 claims abstract description 34
- 239000007789 gas Substances 0.000 claims description 86
- 231100001261 hazardous Toxicity 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 12
- 239000013590 bulk material Substances 0.000 claims description 12
- 239000003566 sealing material Substances 0.000 claims description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 241000883990 Flabellum Species 0.000 claims 2
- 230000000694 effects Effects 0.000 description 4
- 239000002360 explosive Substances 0.000 description 3
- 231100000614 poison Toxicity 0.000 description 3
- 230000007096 poisonous effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
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Classifications
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- 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
- B65G53/36—Arrangements of containers
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- 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
- B65G53/40—Feeding or discharging devices
-
- 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
- B65G53/40—Feeding or discharging devices
- B65G53/46—Gates or sluices, e.g. rotary wheels
-
- 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
- B65G53/40—Feeding or discharging devices
- B65G53/50—Pneumatic devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The invention discloses a sealing feeding method of a flaky and blocky material, which comprises the following steps: step S1: feeding the first storage chamber, opening the first movable sealing device, wherein the first storage chamber is in an atmospheric environment, and the flaky materials enter the first storage chamber from the feed hopper; step S2: air replacement, namely replacing the air in the first storage chamber with protective gas; step S3: feeding the material processing equipment, opening the second movable sealing device, feeding the blocky material into the material processing equipment from the first material storage chamber, communicating the first material storage chamber with the material processing equipment, and feeding the dangerous gas in the material processing equipment into the first material storage chamber; step S4: replacing the dangerous gas in the first storage chamber, wherein after the flaky and blocky materials enter the material processing equipment from the first storage chamber, the second movable sealing device is closed, and the dangerous gas in the first storage chamber is replaced by the protective gas; step S5: and circularly repeating the steps from the step S1 to the step S5.
Description
Technical Field
The invention relates to the field of sealed feeding, in particular to a sealed feeding method for a flaky and blocky material.
Background
Some piece bulk material treatment equipment need go on under high temperature closed environment, the gas in its equipment contains the poisonous harmful and flammable explosive gas that the material was handled and is left over, in order to simplify the description, in this application, the poisonous harmful and flammable explosive gas that produces in piece bulk material treatment equipment is simplified into hazardous gas, the hazardous gas that appears in the following all refers to the poisonous harmful and flammable explosive gas that produces in piece bulk material treatment equipment, sealed feeding is in order to prevent that the hazardous gas in the material treatment equipment from leaking through the charge-in system, prevent simultaneously that outside air from inhaling in the material treatment equipment through the charge-in system, sealed feeding sealed effect can cause environmental pollution, even take place the pernicious accident of blasting.
The powdery material has high density, if the powdery material keeps a certain material stacking height all the time in the continuous feeding process, the feeding device can be sealed by the high density property of the powdery material, and the environment of the equipment in the feeding device and the external environment are isolated, so that the effect of sealing feeding is achieved.
However, the sheet-shaped material cannot utilize the density property of the material to play a sealing role due to the large void ratio among the materials, and only can realize sealed feeding through a feeding machine with a sealing function.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a method for hermetically feeding a flaky and blocky material, which can realize high-temperature sealed feeding of the flaky and blocky material.
The technical scheme adopted by the embodiment of the invention is as follows: the sealed feeding method of the block materials comprises the following steps: the feeding hopper is hollow; the gas supply device is used for supplying gas which does not react with the materials and the air phase; the connecting pipeline comprises a feeding hole and a discharging hole, the feeding hole is communicated with the lower end of the feeding hopper, and the discharging hole is communicated with material processing equipment; the first movable sealing device is arranged on the connecting pipeline and can movably seal a channel of the connecting pipeline; the second movable sealing device is arranged on the connecting pipeline and positioned between the first movable sealing device and the discharge port, the second movable sealing device can movably seal the channel of the connecting pipeline, and the first movable sealing device, the second movable sealing device and the connecting pipeline between the first movable sealing device and the second movable sealing device form a first storage chamber; the first exhaust device comprises a first air inlet pipe and a first air outlet pipe, and the first air inlet pipe and the first air outlet pipe are communicated with the first storage chamber;
the feeding step comprises the following steps:
step S1: feeding the first storage chamber, opening the first movable sealing device, wherein the first storage chamber is in an atmospheric environment, and the flaky materials enter the first storage chamber from the feed hopper;
step S2: air replacement, namely replacing the air in the first storage chamber with protective gas;
step S21: when the material processing equipment is in positive pressure, the first air inlet pipe is opened, the first air outlet pipe is closed, protective gas is introduced into the first air inlet pipe, air is discharged from the first movable sealing device port, the air in the first storage chamber is replaced by the protective gas, and after the air replacement is finished, the first air inlet pipe is closed, and the gas replacement is stopped;
step S22: when the material processing equipment is under negative pressure, after the flaky materials enter the first storage chamber from the feed hopper, the first movable sealing device is closed, the first air inlet pipe is opened, the first air outlet pipe is opened, and protective gas is introduced to replace air in the first storage chamber;
step S3: feeding the material processing equipment, opening the second movable sealing device, feeding the blocky material into the material processing equipment from the first material storage chamber, communicating the first material storage chamber with the material processing equipment, and feeding the dangerous gas in the material processing equipment into the first material storage chamber;
step S4: replacing the dangerous gas in the first storage chamber, wherein after the flaky and blocky materials enter the material processing equipment from the first storage chamber, the second movable sealing device is closed, and the dangerous gas in the first storage chamber is replaced by the protective gas;
step S41: when the material processing equipment is under positive pressure, the first movable sealing device is closed, the first air inlet pipe is opened, the first air outlet pipe is opened, and protective gas is introduced to replace the hazardous gas in the first storage chamber with the protective gas;
step S42: when the material processing equipment is under negative pressure, the first movable sealing device is opened, the first air inlet pipe is opened, the first air outlet pipe is opened, protective gas is introduced, the hazardous gas in the first storage chamber is replaced by the protective gas while the flaky material enters the first storage chamber, and after the replacement is finished, the first air inlet pipe is closed and the first air outlet pipe is closed;
step S5: and circularly repeating the steps from the step S1 to the step S5.
The sealed feeding method of the flaky blocky materials provided by the embodiment of the invention has at least the following beneficial effects:
1. the material enters a first storage chamber through a feed hopper, air entering the flaky material is removed through a first exhaust device in the first storage chamber, after the air removal is completed, the first movable sealing device is in a closed state, then the second movable sealing device is opened and is communicated with the equipment environment, the material enters the equipment without air seal, and the first storage chamber is sealed by the first movable sealing device and the second movable sealing device, so that the problem of sealed feeding of the flaky material is solved, and no air leakage occurs in the feeding process;
2. and after the feeding is accomplished, the hazardous gas among the equipment environment gets into first storage compartment, and second movable sealing device closes again, and the first exhaust apparatus of rethread discharges hazardous gas, with hazardous gas and external effectual isolation, uses safelyr, and has realized the sealed feeding of piece cubic material simultaneously.
According to some embodiments of the present invention, the device further comprises a third movable sealing device and a second air exhausting device, the third movable sealing device is disposed between the second movable sealing device and the discharge hole, the third movable sealing device can movably seal the channel of the connecting pipeline, a second storage chamber is formed between the third movable sealing device and the second movable sealing device, and the second storage chamber is communicated with the second air exhausting device to replace air in the second storage chamber.
According to some embodiments of the invention, the device further comprises a feeding device, the feeding device comprises a feeding pipe and a push rod, the side surface of the feeding pipe is communicated with the discharge port, one end of the feeding pipe is communicated with the equipment, the push rod is sleeved at the other end of the feeding pipe in a sliding manner, and the push rod pushes the material falling into the feeding pipe from the discharge port into the equipment.
According to some embodiments of the invention, a sealing gasket is provided between the push rod and the feeding tube to seal the feeding tube.
According to some embodiments of the invention, the device further comprises a disc feeder, the disc feeder is arranged between the discharge port and the feeding device, the disc feeder comprises a storage disc, fan blades and a power device, the top of the storage disc is communicated with the discharge port, the bottom of the storage disc is provided with a feeding port, the feeding port is communicated with the side surface of the feeding pipe, the fan blades are arranged at the bottom of the storage disc and are in transmission connection with the power device, and the fan blades are driven by the power device to rotate so as to push the material into the feeding port.
According to some embodiments of the invention, the fan blades are arranged at an angle to the bottom of the magazine disc.
According to some embodiments of the present invention, the first movable sealing device is a first pneumatic knife gate valve, the first pneumatic knife gate valve includes a first gate plate, a first valve body and a first pneumatic device, the first gate plate is in transmission connection with the first pneumatic device to drive the first gate plate to open or close the first valve body, a soft sealing device is arranged on a contact surface of the first gate plate and the first valve body, and the soft sealing device is made of a flexible sealing material to soft seal the first valve body.
According to some embodiments of the present invention, the second movable sealing device is a second pneumatic knife gate valve, the second pneumatic knife gate valve includes a second gate, a second valve body, and a second pneumatic device, the second gate is in transmission connection with the second pneumatic device to drive the second gate to open or close the second valve body, a first hard sealing device is disposed on a contact surface of the second gate and the second valve body, and the first hard sealing device is made of a hard sealing material to hard seal the second valve body.
According to some embodiments of the present invention, the third movable sealing device is a third pneumatic knife gate valve, the third pneumatic knife gate valve includes a third gate, a third valve body, and a third pneumatic device, the third gate is in transmission connection with the third pneumatic device to drive the third gate to open or close the third valve body, a second hard sealing device is disposed on a contact surface of the third gate and the third valve body, and the second hard sealing device is made of a hard sealing material to hard seal the third valve body.
According to some embodiments of the invention, the protective gas is nitrogen.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of a sealed feeding method of a tablet bulk material according to an embodiment of the present invention;
FIG. 2 is a process flow diagram of a method for sealing feeding of a tablet material in accordance with an embodiment of the present invention;
FIG. 3 is a schematic view of a first movable sealing device according to an embodiment of the present invention;
FIG. 4 is a partial enlarged view of portion A of FIG. 3;
FIG. 5 is a schematic view of a second movable sealing device according to an embodiment of the present invention;
FIG. 6 is a schematic view of a disk feeder according to an embodiment of the present invention;
FIG. 7 is a schematic view of a feeding device according to an embodiment of the present invention;
fig. 8 is a process flow diagram of a sealing feeding method of a flaky block material with a third movable sealing valve according to an embodiment of the invention.
Reference numerals:
100-a feed hopper;
200-connecting a pipe;
300-a first movable sealing means; 310-a first ram; 320-a first valve body; 330-a first pneumatic device; 340-soft sealing means;
400-a second movable sealing device; 410-a second gate; 420-a second valve body; 430-a second pneumatic device; 440-a first hard seal;
500-a first storage chamber;
610-a first inlet duct; 620-a first outlet duct;
700-a feeding device; 710-a feed tube; 720-push rod; 730-a sealing gasket;
800-disk feeder; 810-storage disc; 820-fan blades; 830-a power plant; 840-feeding port.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1 and 2, in an embodiment of the present invention, a method for feeding a tablet material hermetically comprises:
a feed hopper 100, the feed hopper 100 being hollow;
the gas supply device is used for supplying protective gas which does not react with the material and the air phase; the protective gas may be an inert gas such as nitrogen.
The connecting pipeline 200 comprises a feeding hole and a discharging hole, the feeding hole is communicated with the lower end of the feeding hopper 100, and the discharging hole is communicated with the material processing equipment;
the first movable sealing device 300 is arranged on the connecting pipeline 200, and the first movable sealing device 300 can movably seal the channel of the connecting pipeline 200;
the second movable sealing device 400 is arranged on the connecting pipeline 200 and positioned between the first movable sealing device 300 and the discharge hole, the second movable sealing device 400 can movably seal the channel of the connecting pipeline 200, and the first movable sealing device 300, the second movable sealing device 400 and the connecting pipeline 200 between the first movable sealing device 300 and the second movable sealing device 400 form a first material storage chamber 500;
the first exhaust device comprises a first air inlet pipe 610 and a first air outlet pipe 620, and the first air inlet pipe 610 and the first air outlet pipe 620 are communicated with the first storage chamber 500;
the feeding step comprises the following steps:
step S1: feeding the first storage chamber, opening the first movable sealing device, wherein the first storage chamber is in an atmospheric environment, and the flaky materials enter the first storage chamber from the feed hopper;
step S2: air replacement, namely replacing the air in the first storage chamber with protective gas;
step S21: when the material processing equipment is in positive pressure, the first air inlet pipe is opened, the first air outlet pipe is closed, protective gas is introduced into the first air inlet pipe, air is discharged from the first movable sealing device port, the air in the first storage chamber is replaced by the protective gas, and after the air replacement is finished, the first air inlet pipe is closed, and the gas replacement is stopped;
step S22: when the material processing equipment is under negative pressure, after the flaky materials enter the first storage chamber from the feed hopper, the first movable sealing device is closed, the first air inlet pipe is opened, the first air outlet pipe is opened, and protective gas is introduced to replace air in the first storage chamber;
step S3: feeding the material processing equipment, opening the second movable sealing device, feeding the blocky material into the material processing equipment from the first material storage chamber, communicating the first material storage chamber with the material processing equipment, and feeding the dangerous gas in the material processing equipment into the first material storage chamber;
step S4: replacing the dangerous gas in the first storage chamber, wherein after the flaky and blocky materials enter the material processing equipment from the first storage chamber, the second movable sealing device is closed, and the dangerous gas in the first storage chamber is replaced by the protective gas;
step S41: when the material processing equipment is under positive pressure, the first movable sealing device is closed, the first air inlet pipe is opened, the first air outlet pipe is opened, and protective gas is introduced to replace the hazardous gas in the first storage chamber with the protective gas;
step S42: when the material processing equipment is under negative pressure, the first movable sealing device is opened, the first air inlet pipe is opened, the first air outlet pipe is opened, protective gas is introduced, the hazardous gas in the first storage chamber is replaced by the protective gas while the flaky material enters the first storage chamber, and after the replacement is finished, the first air inlet pipe is closed and the first air outlet pipe is closed;
step S5: and circularly repeating the steps from the step S1 to the step S5.
Specifically, the implementation process is as follows:
when the material processing equipment is under positive pressure, materials are initially positioned in the feed hopper, the first movable sealing device 300 and the second movable sealing device 400 are both in a closed state at the moment, the materials enter the first material storage chamber 500 by opening the first movable sealing device 300 and are intercepted by the closed second movable sealing device 400, the air brought in by the materials is replaced at the moment, the air is completely discharged by the first exhaust device, after the materials completely enter and complete the air replacement, the first movable sealing device 300 is closed, and the second movable sealing device 400 is opened, so that the materials enter the material processing equipment, the problem of sealing and feeding of flaky materials is solved, and no air leakage occurs in the feeding process; subsequently, the second movable sealing device 400 is closed again, at the moment, the gas in the first storage chamber is dangerous gas, the first exhaust device is opened to completely exhaust the dangerous gas, the dangerous gas is effectively isolated from the outside, and a feeding process step is completed.
When the material processing equipment is under negative pressure, materials are initially positioned in the feeding hopper, the first movable sealing device 300 and the second movable sealing device 400 are both in a closed state at the moment, the first movable sealing device 300 is opened to enable the materials to enter the first material storage chamber 500, after the materials completely enter, the first movable sealing device 300 is closed, air entering the first material storage chamber 500 is removed through the first exhaust device, then the second movable sealing device 400 is opened to be communicated with the equipment environment, the materials enter the material processing equipment in an airtight mode, the first movable sealing device 300 and the second movable sealing device 400 seal the first material storage chamber 500, the problem of sealed feeding of the flaky materials is solved, and no air leakage occurs in the feeding process; after the feeding is completed, the dangerous gas in the equipment environment enters the first storage chamber 500, the second movable sealing device 400 is closed again, and the dangerous gas is discharged through the first exhaust device, so that the dangerous gas is effectively isolated from the outside, and a feeding process step is completed. While the first exhaust device exhausts the hazardous gas, the first movable sealing device 300 can be opened to start the next feeding, and the equipment is in a negative pressure environment at the moment, so that the hazardous gas can be exhausted from the first exhaust device and cannot be diffused into the air.
Referring to fig. 1, in some embodiments of the present invention, the present invention further includes a third movable sealing device and a second exhaust device, the third movable sealing device is disposed between the second movable sealing device 400 and the discharge hole, the third movable sealing device is movably sealed with the channel of the connecting pipe 200, a second storage chamber is formed between the third movable sealing device and the second movable sealing device 400, the second storage chamber is communicated with the second exhaust device to replace the gas in the second storage chamber, the second exhaust device includes a second gas inlet pipe and a second gas outlet pipe, and the second gas inlet pipe and the second gas outlet pipe are both communicated with the second storage chamber.
Specifically, after the material enters the first air storage device, the first movable sealing device 300 is closed, the air in the first storage chamber 500 is firstly discharged through the first exhaust device, the second movable sealing device 400 is opened again, so that the material completely enters the second storage chamber, the second movable sealing device 400 is closed, the third movable sealing device is opened again to put the material into the material processing equipment, at this time, the second storage chamber is communicated with the equipment environment, the hazardous gas in the material processing equipment enters the second movable sealing device 400, after the material completely enters the material processing equipment, the third movable sealing device is closed, the hazardous gas is completely discharged from the second storage chamber through the second exhaust device, and a feeding process step is completed.
Discharge the air completely through first storage chamber 500, discharge hazardous gas completely through the second storage chamber for the air is kept apart with hazardous gas, does not have the space of mixing, uses safelyr.
Referring to fig. 1, in some embodiments of the present invention, the present invention further includes a feeding device 700, the feeding device 700 includes a feeding pipe 710 and a push rod 720, a side surface of the feeding pipe 710 is communicated with the discharge port, one end of the feeding pipe 710 is communicated with the apparatus, the push rod 720 is slidably sleeved at the other end of the feeding pipe 710, and the push rod 720 pushes the material falling into the feeding pipe 710 from the discharge port into the apparatus. So that material can be fed into the apparatus through the feeding device 700.
Referring to fig. 1, in some embodiments of the present invention, a sealing gasket 730 is disposed between the push rod 720 and the feeding tube 710 to ensure the sealing of the feeding tube 710. In the using process, the dangerous gas in the material processing equipment is not easy to leak from the connection part of the feeding pipe 710 and the push rod 720, and the use is safer.
Referring to fig. 1, in some embodiments of the present invention, a disk feeder 800 is further included, the disk feeder 800 is disposed between the discharge port and the feeding device 700, the disk feeder 800 includes a storage disk 810, fan blades 820 and a power device 830, the top of the storage disk 810 is communicated with the discharge port, the bottom of the storage disk 810 is provided with a feed port 840, the feed port 840 is communicated with the side of the feeding pipe 710, the fan blades 820 are disposed at the bottom of the storage disk 810 and are in transmission connection with the power device 830, and the fan blades are driven by the power device 830 to rotate to push the material into the feed port 840.
Specifically, uneven feeding of the flaky and blocky materials with small and large intermittence easily causes excessive accumulation of the flaky and blocky materials in the subsequent feeding device 700, the feeding device 700 is blocked, stopping and production stopping are caused, and uneven feeding causes unstable working conditions and is difficult to realize technological requirements. And through the continuous rotation of the fan blades 820, the flaky materials in the storage disc 810 intermittently and continuously and uniformly enter the feeding device 700 through the feeding port 840, so that the flaky materials can be continuously and uniformly fed in a sealing manner, and the phenomenon of material blocking is prevented.
Referring to FIG. 1, in some embodiments of the invention, the fan blades 820 are disposed at an angle to the bottom of the magazine disk 810.
Specifically, the fan blades 820 are disposed perpendicular to the bottom of the magazine disk 810 to better agitate the material in the magazine disk 810 to provide a continuous and uniform flow into the feeding device 700.
Referring to fig. 1, in some embodiments of the present invention, the first movable sealing device 300 is a first pneumatic knife gate valve, the first pneumatic knife gate valve includes a first gate plate 310, a first valve body 320 and a first pneumatic device 330, the first gate plate 310 is in transmission connection with the first pneumatic device 330 to drive the first gate plate 310 to open or close the first valve body 320, a soft sealing device 340 is disposed on a contact surface between the first gate plate 310 and the first valve body 320, and the soft sealing device 340 is made of a flexible sealing material to soft seal the first valve body 320. The sealing effect of the flexible sealing material is better, but the flexible sealing material cannot withstand high temperature, and the first storage chamber 500 needs to be isolated from the outside air, so that the requirement for sealing is higher, and the soft sealing device 340 needs to be used.
Referring to fig. 1, in some embodiments of the present invention, the second movable sealing device 400 is a second pneumatic knife gate valve, the second pneumatic knife gate valve includes a second gate plate 410, a second valve body 420 and a second pneumatic device 430, the second gate plate 410 is in transmission connection with the second pneumatic device 430 to drive the second gate plate 410 to open or close the second valve body 420, a first hard sealing device 440 is disposed on a contact surface of the second gate plate 410 and the second valve body 420, the first hard sealing device 440 is made of a hard sealing material to seal the second valve body 420, the hard sealing has a sealing effect inferior to that of a soft sealing but can endure high temperature, and can endure high temperature for a long time in a high temperature environment, and the second movable sealing device 400 isolates high-temperature hazardous gas in the material processing equipment, so that the service life of the first movable sealing device 300 is more durable.
Referring to fig. 1, in some embodiments of the present invention, the third movable sealing device is a third pneumatic knife gate valve, the third pneumatic knife gate valve includes a third gate, a third valve body and a third pneumatic device, the third gate is in transmission connection with the third pneumatic device to drive the third gate to open or close the third valve body, a second hard sealing device is disposed on a contact surface of the third gate and the third valve body, the second hard sealing device is made of a hard sealing material to hard seal the third valve body, the third valve body can be baked for a long time in a high temperature environment, and the service life is longer. Moreover, through the double hard sealing of the second movable sealing device 400 and the third movable sealing device, the high-temperature dangerous gas is isolated in the second material storage chamber and is not in contact with the soft sealing device of the first movable sealing device 300, so that the service life of the first movable sealing device 300 is longer.
The present invention is not limited to the above-described embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.
Claims (10)
1. A sealed feeding method of a block material is characterized by comprising the following steps:
a feed hopper (100), the feed hopper (100) being hollow; the gas supply device is used for supplying protective gas which does not react with the material and the air phase;
the device comprises a connecting pipeline (200), wherein the connecting pipeline (200) comprises a feeding hole and a discharging hole, the feeding hole is communicated with the lower end of the feeding hopper (100), and the discharging hole is communicated with material processing equipment;
the first movable sealing device (300) is arranged on the connecting pipeline (200), and the first movable sealing device (300) can movably seal the channel of the connecting pipeline (200);
the second movable sealing device (400) is arranged on the connecting pipeline (200) and is positioned between the first movable sealing device (300) and the discharge hole, the second movable sealing device (400) can movably seal the channel of the connecting pipeline (200), and the first movable sealing device (300), the second movable sealing device (400) and the connecting pipeline (200) between the first movable sealing device and the second movable sealing device form a first storage chamber (500);
the first exhaust device comprises a first air inlet pipe (610) and a first air outlet pipe (620), and the first air inlet pipe (610) and the first air outlet pipe (620) are communicated with the first storage chamber (500);
the feeding step comprises the following steps:
step S1: feeding the first storage chamber, opening the first movable sealing device, wherein the first storage chamber is in an atmospheric environment, and the flaky materials enter the first storage chamber from the feed hopper;
step S2: air replacement, namely replacing the air in the first storage chamber with protective gas;
step S21: when the material processing equipment is in positive pressure, the first air inlet pipe is opened, the first air outlet pipe is closed, protective gas is introduced into the first air inlet pipe, air is discharged from the first movable sealing device port, the air in the first storage chamber is replaced by the protective gas, and after the air replacement is finished, the first air inlet pipe is closed, and the gas replacement is stopped;
step S22: when the material processing equipment is under negative pressure, after the flaky materials enter the first storage chamber from the feed hopper, the first movable sealing device is closed, the first air inlet pipe is opened, the first air outlet pipe is opened, and protective gas is introduced to replace air in the first storage chamber;
step S3: feeding the material processing equipment, opening the second movable sealing device, feeding the blocky material into the material processing equipment from the first material storage chamber, communicating the first material storage chamber with the material processing equipment, and feeding the dangerous gas in the material processing equipment into the first material storage chamber;
step S4: replacing the dangerous gas in the first storage chamber, wherein after the flaky and blocky materials enter the material processing equipment from the first storage chamber, the second movable sealing device is closed, and the dangerous gas in the first storage chamber is replaced by the protective gas;
step S41: when the material processing equipment is under positive pressure, the first movable sealing device is closed, the first air inlet pipe is opened, the first air outlet pipe is opened, and protective gas is introduced to replace the hazardous gas in the first storage chamber with the protective gas;
step S42: when the material processing equipment is under negative pressure, the first movable sealing device is opened, the first air inlet pipe is opened, the first air outlet pipe is opened, protective gas is introduced, the hazardous gas in the first storage chamber is replaced by the protective gas while the flaky material enters the first storage chamber, and after the replacement is finished, the first air inlet pipe is closed and the first air outlet pipe is closed;
step S5: and circularly repeating the steps from the step S1 to the step S5.
2. A method of sealingly feeding a piece of bulk material according to claim 1, characterized in that: still include third movable sealing device and second exhaust apparatus, third movable sealing device set up in second movable sealing device (400) with between the discharge gate, the mobile seal of third movable sealing device the passageway of connecting tube (200), third movable sealing device with form the second storage compartment between second movable sealing device (400), the second storage compartment with second exhaust apparatus is linked together to the replacement gas in the second storage compartment.
3. A method of sealed feeding of a piece of bulk material according to claim 1 or 2, characterized in that: the automatic feeding device is characterized by further comprising a feeding device (700), wherein the feeding device (700) comprises a feeding pipe (710) and a push rod (720), the side face of the feeding pipe (710) is communicated with the discharge port, one end of the feeding pipe (710) is communicated with material processing equipment, the push rod (720) is slidably sleeved at the other end of the feeding pipe (710), and the push rod (720) pushes materials falling into the feeding pipe (710) from the discharge port into the equipment.
4. A method of sealed feeding of a piece of bulk material according to claim 3, characterized in that: and a sealing gasket (730) is arranged between the push rod (720) and the feeding pipe (710) to seal the feeding pipe (710).
5. A method of sealed feeding of a piece of bulk material according to claim 3, characterized in that: still include disk feeder (800), disk feeder (800) set up in the discharge gate with between material feeding unit (700), disk feeder (800) include storage disc (810), flabellum (820) and power device (830), the top of storage disc (810) with the discharge gate is linked together, the bottom of storage disc (810) is equipped with feed inlet (840), feed inlet (840) with the side of conveying pipe (710) is linked together, flabellum (820) set up in the bottom of storage disc (810), with power device (830) transmission is connected rotate under the drive of power device (830), will material in the storage disc (810) pushes in the feed inlet (840).
6. The sealed feeding method of flaky massive materials according to claim 5, characterized in that: the fan blades (820) are arranged at a certain angle with the bottom of the storing disc (810).
7. A method of sealed feeding of a piece of bulk material according to claim 1 or 2, characterized in that: first movable seal device (300) is first pneumatic knife gate valve, first pneumatic knife gate valve includes first flashboard (310), first valve body (320) and first pneumatic means (330), first flashboard (310) with first pneumatic means (330) transmission is connected, in order to drive first flashboard (310) are opened or are closed first valve body (320), first flashboard (310) with be equipped with soft sealing device (340) on the contact surface of first valve body (320), soft sealing device (340) are made by flexible seal material, with soft sealing first valve body (320).
8. A method of sealed feeding of a piece of bulk material according to claim 1 or 2, characterized in that: the second movable sealing device (400) is a second pneumatic knife gate valve, the second pneumatic knife gate valve comprises a second gate plate (410), a second valve body (420) and a second pneumatic device (430), the second gate plate (410) is in transmission connection with the second pneumatic device (430) to drive the second gate plate (410) to be opened or closed the second valve body (420), the second gate plate (410) is provided with a first hard sealing device (440) on the contact surface of the second valve body (420), and the first hard sealing device (440) is made of hard sealing materials to be sealed firmly the second valve body (420).
9. A method of sealingly feeding a piece of bulk material according to claim 2, characterized in that: the third movable sealing device is a third pneumatic knife gate valve, the third pneumatic knife gate valve comprises a third gate plate, a third valve body and a third pneumatic device, the third gate plate is in transmission connection with the third pneumatic device to drive the third gate plate to be opened or closed, a second hard sealing device is arranged on the contact surface of the third valve body, and the second hard sealing device is made of hard sealing materials and is sealed hard to the third valve body.
10. A method of sealed feeding of a piece of bulk material according to claim 1 or 2, characterized in that: the protective gas is nitrogen.
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| CN202011496165.4A CN112456154B (en) | 2020-12-17 | 2020-12-17 | Sealing feeding method for sheet-shaped material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113278761A (en) * | 2021-06-10 | 2021-08-20 | 大连重工机电设备成套有限公司 | Return iron adding device for closed electric furnace |
| CN115092554A (en) * | 2022-06-08 | 2022-09-23 | 赣州赛可韦尔科技有限公司 | Vertical double-valve feeding bin equipment |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1265286A (en) * | 1960-05-18 | 1961-06-30 | Socam | Locking device, in particular for the pneumatic transport of materials or products |
| EP0816266A1 (en) * | 1996-06-26 | 1998-01-07 | Motan-Fuller Verfahrenstechnik GmbH | Method and apparatus for filling a compact flow transport conduit |
| JP2004189475A (en) * | 2002-10-16 | 2004-07-08 | Yms:Kk | Method and device for continuous suction type pneumatic transportation |
| CN101475098A (en) * | 2008-12-17 | 2009-07-08 | 阳谷祥光铜业有限公司 | High temperature smoke positive pressure conveying treatment process and special equipment thereof |
| CN205011035U (en) * | 2015-09-18 | 2016-02-03 | 山东钢铁股份有限公司 | On draw formula air conveying storehouse fluidization material feeding unit for pump |
| DE102014113961A1 (en) * | 2014-09-26 | 2016-03-31 | Elke Rötters | Pressure lock for a pneumatic pressure vessel conveyor |
| CN209113107U (en) * | 2018-09-21 | 2019-07-16 | 天津市实达电力设备有限公司 | A kind of solid material strength vertical-lift conveying device |
| CN111017566A (en) * | 2019-12-25 | 2020-04-17 | 深圳市能源环保有限公司 | Powder material conveying device for fly ash spraying chelation treatment |
| CN214455064U (en) * | 2020-12-17 | 2021-10-22 | 江门市崖门新财富环保工业有限公司 | Sealed feeding device for sheet and block materials |
-
2020
- 2020-12-17 CN CN202011496165.4A patent/CN112456154B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1265286A (en) * | 1960-05-18 | 1961-06-30 | Socam | Locking device, in particular for the pneumatic transport of materials or products |
| EP0816266A1 (en) * | 1996-06-26 | 1998-01-07 | Motan-Fuller Verfahrenstechnik GmbH | Method and apparatus for filling a compact flow transport conduit |
| JP2004189475A (en) * | 2002-10-16 | 2004-07-08 | Yms:Kk | Method and device for continuous suction type pneumatic transportation |
| CN101475098A (en) * | 2008-12-17 | 2009-07-08 | 阳谷祥光铜业有限公司 | High temperature smoke positive pressure conveying treatment process and special equipment thereof |
| DE102014113961A1 (en) * | 2014-09-26 | 2016-03-31 | Elke Rötters | Pressure lock for a pneumatic pressure vessel conveyor |
| CN205011035U (en) * | 2015-09-18 | 2016-02-03 | 山东钢铁股份有限公司 | On draw formula air conveying storehouse fluidization material feeding unit for pump |
| CN209113107U (en) * | 2018-09-21 | 2019-07-16 | 天津市实达电力设备有限公司 | A kind of solid material strength vertical-lift conveying device |
| CN111017566A (en) * | 2019-12-25 | 2020-04-17 | 深圳市能源环保有限公司 | Powder material conveying device for fly ash spraying chelation treatment |
| CN214455064U (en) * | 2020-12-17 | 2021-10-22 | 江门市崖门新财富环保工业有限公司 | Sealed feeding device for sheet and block materials |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113278761A (en) * | 2021-06-10 | 2021-08-20 | 大连重工机电设备成套有限公司 | Return iron adding device for closed electric furnace |
| CN113278761B (en) * | 2021-06-10 | 2024-05-14 | 大连重工机电设备成套有限公司 | Furnace iron adding and returning device for closed electric furnace |
| CN115092554A (en) * | 2022-06-08 | 2022-09-23 | 赣州赛可韦尔科技有限公司 | Vertical double-valve feeding bin equipment |
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