CN113844898B - Anti-blocking discharging device and using method thereof - Google Patents
Anti-blocking discharging device and using method thereof Download PDFInfo
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- CN113844898B CN113844898B CN202111078676.9A CN202111078676A CN113844898B CN 113844898 B CN113844898 B CN 113844898B CN 202111078676 A CN202111078676 A CN 202111078676A CN 113844898 B CN113844898 B CN 113844898B
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- 238000007599 discharging Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 87
- 230000002093 peripheral effect Effects 0.000 claims abstract description 11
- 239000007789 gas Substances 0.000 claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- B65G53/52—Adaptations of pipes or tubes
- B65G53/521—Adaptations of pipes or tubes means for preventing the accumulation or for removal of deposits
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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
- B65G53/04—Conveying materials in bulk pneumatically through pipes or tubes; Air slides
- B65G53/24—Gas suction systems
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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
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Transport Of Granular Materials (AREA)
Abstract
The invention discloses an anti-blocking discharging device and a using method thereof. The invention is suitable for the technical field of material conveying, wherein a port of a first end of a main pipe is connected with an inlet of negative pressure material sucking equipment; the first air inlet pipe is connected to the peripheral surface of the first end of the main pipe; the first end of the second air inlet pipe is arranged in the first end of the main pipe, and the second end of the second air inlet pipe extends out of the end part of the second end of the main pipe; the third air inlet pipe is connected to the end part of the second end of the main pipe; the feeding pipe is connected between a discharge hole of the storage bin and the peripheral surface of the second end of the main pipe; the first valve is arranged on the first air inlet pipe; the second valve is arranged on the second air inlet pipe; the third valve is arranged on the third air inlet pipe. The invention can solve the problem of blockage during discharging in the process of transporting granular and powdery materials by negative pressure and pneumatic, and has the characteristics of simple structure, low energy consumption and difficult damage compared with the discharging device with the anti-blockage function in the prior art, and has good practicability and creativity.
Description
Technical Field
The invention belongs to the technical field of material conveying, and particularly relates to an anti-blocking discharging device and a using method thereof.
Background
With the improvement of environmental protection standards, the pneumatic conveying mode is increasingly adopted to convey granular and powdery materials, and the negative pressure pneumatic conveying mode is mostly adopted to avoid dust escape. Because granular and powdery materials have poor fluidity and uneven size grades, particularly materials with larger specific gravity, the materials are easy to be blocked at the positions of a pipeline, an elbow, a valve body and the like of a discharging device at the bottom of a storage bin in the negative pressure pneumatic conveying process. In the existing discharging device, parts such as a screw feeder and vibration fluidization are often adopted for preventing blockage, and the device has the technical problems of complex structure, high energy consumption and easy damage.
Disclosure of Invention
The invention aims to at least solve the technical problems that a discharging device with an anti-blocking function is complex in structure, high in energy consumption and easy to damage in equipment for conveying granular and powdery materials by negative pressure and air force to a certain extent. Therefore, the invention provides an anti-blocking discharging device and a using method thereof.
The technical scheme of the invention is as follows:
In one aspect, the present invention provides an anti-jam discharge apparatus disposed between a silo and a negative pressure suction device, the apparatus comprising:
The port of the first end of the main pipe is connected with the inlet of the negative pressure suction equipment;
the first air inlet pipe is connected to the peripheral surface of the first end of the main pipe;
the first end of the second air inlet pipe is arranged in the first end of the main pipe, and the second end of the second air inlet pipe extends out of the end part of the second end of the main pipe;
The third air inlet pipe is connected to the end part of the second end of the main pipe;
The inlet of the feeding pipe is connected with the discharge port of the storage bin, and the outlet of the feeding pipe is connected to the peripheral surface of the second end of the main pipe;
The first valve is arranged on the first air inlet pipe;
the second valve is arranged on the second air inlet pipe;
and the third valve is arranged on the third air inlet pipe.
Further, a first flange is arranged on the port of the first end of the main pipe, and the first flange is connected with the negative pressure material sucking equipment.
Further, a second flange is arranged at the end part of the second end of the main pipe, and the second flange is connected with the supporting structure of the device.
Further, the first air inlet pipe is obliquely arranged towards the direction of the second end of the main pipe, and an included angle between the central axis of the first air inlet pipe and the central axis of the main pipe is 45 degrees.
Further, the second air inlet pipe is coaxially arranged with the main pipe.
Further, the central axis of the outlet of the feeding pipe is 1000-1500mm away from the port of the second end of the second air inlet pipe.
On the other hand, the invention also provides a using method of the anti-blocking discharging device, which comprises the following steps:
The anti-blocking discharging device is arranged between the storage bin and the negative pressure material sucking equipment, a port of the first end of the main pipe is connected with an inlet of the negative pressure material sucking equipment, and an inlet of the feeding pipe is connected with a discharge port of the storage bin;
Starting a negative pressure pump of the negative pressure suction equipment to perform negative pressure pumping;
opening the first valve and the second valve, closing the third valve, and checking an intake state;
According to the pressure and the material flow value displayed by the negative pressure material sucking equipment, the opening degrees of the first valve and the second valve are regulated;
judging whether the material conveying flow can reach a demand state, and executing a first instruction if the material conveying flow can reach the demand state, wherein the first instruction is to stop adjusting the device;
And if the material conveying flow rate fails to reach the demand state, executing a second instruction, wherein the second instruction is to open a third valve, adjust the third valve until the material flow rate reaches the demand state, and execute the first instruction.
Further, compressed gas is contained in the first air inlet pipe, the second air inlet pipe and the third air inlet pipe.
Further, the air pressure of the compressed air in the first air inlet pipe, the second air inlet pipe and the third air inlet pipe is greater than or equal to 0.2KPa.
Further, the gas in the first gas inlet pipe, the second gas inlet pipe and the third gas inlet pipe is nitrogen.
The embodiment of the invention has at least the following beneficial effects:
According to the anti-blocking discharging device and the using method thereof, as the port of the first end of the main pipe is connected with the inlet of the negative pressure material sucking device, the inlet of the material feeding pipe is connected with the discharge port of the storage bin, the outlet of the material feeding pipe is connected to the peripheral surface of the second end of the main pipe, so that the negative pressure pump of the negative pressure material sucking device is started to suck negative pressure, the negative pressure is formed in the main pipe and the material feeding pipe, materials enter the main pipe through the material feeding pipe under the action of the negative pressure, and then enter the negative pressure material sucking device through the main pipe.
In summary, the invention can solve the problem of blockage during discharging in the process of transporting granular and powdery materials by negative pressure and air force, and has the characteristics of simple structure, low energy consumption and difficult damage compared with the discharging device with the anti-blockage function in the prior art, and has good practicability and creativity.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of an anti-blocking discharging device according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of a method for using an anti-blocking discharging device according to an embodiment of the invention.
Reference numerals:
1-main pipe, 2-first intake pipe, 3-second intake pipe, 4-third intake pipe, 5-first valve, 6-second valve, 7-third valve, 8-pan feeding pipe, 9-first ring flange, 10-second ring flange.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled 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.
Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.
The invention is described below with reference to specific embodiments in conjunction with the accompanying drawings:
firstly, the embodiment of the invention provides an anti-blocking discharging device.
Fig. 1 is an anti-blocking discharging device according to an embodiment of the present invention, and referring to fig. 1, the device includes a main pipe 1, a first air inlet pipe 2, a second air inlet pipe 3, a third air inlet pipe 4, a first valve 5, a second valve 6, a third valve 7, and a feeding pipe 8, where a port at a first end of the main pipe 1 is connected to an inlet of a negative pressure suction device, the first air inlet pipe 2 is connected to a peripheral surface of the first end of the main pipe 1, the first end of the second air inlet pipe 3 is disposed inside the first end of the main pipe 1, a second end of the second air inlet pipe 3 extends out of an end of the second end of the main pipe 1, the third air inlet pipe 4 is connected to an end of the second end of the main pipe 1, an inlet of the feeding pipe 8 is connected to a discharge port of a storage bin, an outlet of the feeding pipe 8 is connected to a peripheral surface of the second end of the main pipe 1, the first valve 5 is disposed on the first air inlet pipe 2, the second valve 6 is disposed on the second air inlet pipe 3, and the third valve 7 is disposed on the third air inlet pipe 4.
Specifically, with reference to fig. 1, since the port at the first end of the main pipe 1 is connected with the inlet of the negative pressure suction device, the inlet of the feeding pipe 8 is connected with the discharge port of the storage bin, the outlet of the feeding pipe 8 is connected to the peripheral surface of the second end of the main pipe 1, so that the negative pressure pump of the negative pressure suction device is started to pump negative pressure, the main pipe 1 and the feeding pipe 8 form negative pressure, the material enters the main pipe 1 from the feeding pipe 8 under the action of the negative pressure and then enters the negative pressure suction device from the main pipe 1, since the first air inlet pipe 2 is connected to the peripheral surface of the first end of the main pipe 1, the first end of the second air inlet pipe 3 is arranged in the first end of the main pipe 1, the second end of the second air inlet pipe 3 extends out of the end of the second end of the main pipe 1, the third air inlet pipe 4 is connected to the end of the second end of the main pipe 1, the first valve 5 is arranged on the first air inlet pipe 2, the second valve 6 is arranged on the second air inlet pipe 3, the third valve 7 is arranged on the third air inlet pipe 3, so that the first valve 5 and the second valve 6 are opened, the third valve 7 is closed, the opening of the first valve 5 and the opening of the second valve 6 are regulated according to the pressure and the material flow value displayed by the negative pressure material sucking equipment, if the material conveying flow can reach a required state, the regulation of the device is stopped, and if the material conveying flow can not reach the required state, the first valve 5 and the second valve 6 are in a full-open state, the third valve 7 is opened, and the third valve 7 is regulated until the material flow reaches the required state, namely the regulation of the device is stopped.
Further, with reference to fig. 1, a first flange 9 for connecting with the negative pressure material sucking device is disposed on the port of the first end of the main pipe 1, so that the port of the first end of the main pipe 1 is detachably connected with the inlet of the negative pressure material sucking device, the replacement of the negative pressure material sucking device is facilitated, and meanwhile, the function of supporting the first end of the main pipe 1 is also achieved.
With reference to fig. 1, a second flange plate 10 is arranged at the end part of the second end of the main pipe 1, and the second flange plate 10 is connected with a supporting structure of the device so as to play a role in supporting the second end of the main pipe 1 and support the whole device by matching with the first flange plate 9, so that the stability of the device in the use process is ensured.
Referring to fig. 1, the first air inlet pipe 2 is obliquely arranged towards the second end of the main pipe 1, so that the air flow direction in the first air inlet pipe 2 can follow the air flow direction in the main pipe 1, and the material is promoted to be conveyed into the negative pressure material sucking device.
In the embodiment of the application, the included angle between the central axis of the first air inlet pipe 2 and the central axis of the main pipe 1 is 45 degrees, and the included angle is the optimal angle, so that the optimal effect that the air flow in the first air inlet pipe 2 promotes the material to be conveyed into the negative pressure material sucking equipment can be realized.
Further, with reference to fig. 1, the second air inlet pipe 3 is coaxially arranged with the main pipe 1, so as to achieve the optimal effect that the air flow of the second air inlet pipe 3 promotes the material to be conveyed into the negative pressure material sucking device.
With reference to fig. 1, the central axis of the outlet of the feeding pipe 8 is 1000-1500mm away from the port of the second end of the second air inlet pipe 3, so as to achieve the optimal effect that the air flow of the second air inlet pipe 3 promotes the material to be conveyed into the negative pressure material sucking device.
In the embodiment of the application, the diameter of the main pipe 1 is 150-300mm, the diameter of the second air inlet pipe 3 is 50-80mm, the distance between the central axis of the outlet of the feeding pipe 8 and the port of the second end of the second air inlet pipe 3 is 1000-1500mm, and when the distance between the central axis of the outlet of the feeding pipe 8 and the port of the second end of the second air inlet pipe 3 is set, the distance needs to be adjusted according to actual conditions so as to ensure the optimal material conveying effect.
In addition, based on the anti-blocking discharging device, the embodiment of the invention also provides a using method of the anti-blocking discharging device.
Fig. 2 is a schematic flow chart of a method for using an anti-blocking discharging device according to an embodiment of the present invention, and in combination with fig. 2, the method includes:
S1: the anti-blocking discharging device is connected between the storage bin and the negative pressure material sucking device.
In the embodiment of the invention, the port of the first end of the main pipe 1 is connected with the inlet of the negative pressure material sucking device through the first flange plate 9, and the inlet of the feeding pipe 8 is connected with the discharge port of the storage bin, so that the connection of the anti-blocking discharging device between the storage bin and the negative pressure material sucking device is realized.
S2: and starting a negative pressure pump of the negative pressure suction equipment to pump negative pressure.
In the embodiment of the invention, after a negative pressure pump of the negative pressure material sucking device is started to suck negative pressure, the inside of the main pipe 1 and the feeding pipe 8 are negative pressure, and materials in the storage bin enter the negative pressure material sucking device through the feeding pipe 8 and the main pipe 1 under the action of the negative pressure.
S3: the first valve 5 and the second valve 6 are opened and the third valve 7 is closed.
In the embodiment of the invention, the use can be satisfied by only opening the first valve 5 and the second valve 6 to enable the air flow in the first air inlet pipe 2 and the second air inlet pipe 3 to act on the materials conveyed in the main pipe 1 under normal conditions, and the air flow in the third air inlet pipe 4 is not needed at this time, and only the third valve 7 is needed to be kept closed.
S4: the first valve 5 and the second valve 6 are adjusted.
In the embodiment of the invention, the negative pressure material sucking device can display the pressure and the material flow value, and the first valve 5 and the second valve 6 are required to be adjusted in a matched manner according to the pressure and the material flow value so as to enable the material conveying flow to reach a required state.
S5: judging whether the material conveying flow can reach the required state.
In the embodiment of the invention, if the material conveying flow can reach the demand state, executing a first instruction S6; if the material conveying flow rate fails to reach the required state, a second instruction S7 is executed.
S6: and stopping the adjustment of the anti-blocking discharging device.
In the embodiment of the invention, the adjustment of the anti-blocking discharging device is stopped, namely the existing states of the first valve 5, the second valve 6 and the third valve 7 are kept not to be adjusted, so that the materials are stably conveyed in a required state.
S7: the third valve 7 is opened and adjusted.
In the embodiment of the present invention, when the first valve 5 and the second valve 6 are adjusted to the maximum opening degree and the material conveying flow rate still fails to reach the required state, the third valve 7 is opened to enable the air flow in the third air inlet pipe 4 to enter the main pipe 1 to promote the material conveying, and when the third valve 7 is adjusted until the material flow rate reaches the required state, the first instruction S6 is executed.
Further, the first air inlet pipe 2, the second air inlet pipe 3 and the third air inlet pipe 4 are filled with compressed air, so that sufficient pressure is ensured for air flows in the first air inlet pipe 2, the second air inlet pipe 3 and the third air inlet pipe 4 to promote material conveying in the main pipe 1.
In the embodiment of the invention, the air pressure of the compressed air in the first air inlet pipe 2, the second air inlet pipe 3 and the third air inlet pipe 4 is greater than or equal to 0.2KPa to ensure the anti-blocking effect of the device, the value is the maximum pressure value of the compressed air in the first air inlet pipe 2, the second air inlet pipe 3 and the third air inlet pipe 4, and if the set maximum value is less than 0.2KPa, the conveying condition of materials in the device may be affected, and the anti-blocking effect is reduced.
In the embodiment of the invention, the gas in the first air inlet pipe 2, the second air inlet pipe 3 and the third air inlet pipe 4 is nitrogen, so that the reaction of the gas and materials is avoided, and the nitrogen has the characteristics of economy and environmental protection.
In summary, the invention can solve the problem of blockage during discharging in the process of transporting granular and powdery materials by negative pressure and air force, and has the characteristics of simple structure, low energy consumption and difficult damage compared with the discharging device with the anti-blockage function in the prior art, and has good practicability and creativity.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" indicate orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
It should be noted that all the directional indicators in the embodiments of the present invention are only used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture, and if the specific posture is changed, the directional indicators are correspondingly changed.
In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Further, one skilled in the art can engage and combine the different embodiments or examples described in this specification.
In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (8)
1. An anti-jam discharge apparatus, characterized in that the apparatus is disposed between a bin and a negative pressure suction device, the apparatus comprising:
the port of the first end of the main pipe (1) is connected with the inlet of the negative pressure material sucking device;
the first air inlet pipe (2) is connected to the peripheral surface of the first end of the main pipe (1), and the first air inlet pipe (2) is obliquely arranged towards the second end direction of the main pipe (1);
The first end of the second air inlet pipe (3) is arranged in the first end of the main pipe (1), the second end of the second air inlet pipe (3) extends out of the end part of the second end of the main pipe (1), and the second air inlet pipe (3) and the main pipe (1) are coaxially arranged;
The third air inlet pipe (4) is connected to the end part of the second end of the main pipe (1);
the inlet of the feeding pipe (8) is connected with the discharge port of the storage bin, and the outlet of the feeding pipe (8) is connected to the peripheral surface of the second end of the main pipe (1);
A first valve (5), wherein the first valve (5) is arranged on the first air inlet pipe (2);
a second valve (6), the second valve (6) being arranged on the second air inlet pipe (3);
a third valve (7), the third valve (7) being arranged on the third air inlet pipe (4);
The first air inlet pipe (2), the second air inlet pipe (3) and the third air inlet pipe (4) are internally provided with compressed air;
When a negative pressure pump of the negative pressure suction equipment is started to pump negative pressure, the first valve (5) and the second valve (6) are opened, the third valve (7) is closed, and the air inlet state is checked;
According to the pressure and the material flow value displayed by the negative pressure material sucking equipment, the opening degrees of the first valve (5) and the second valve (6) are adjusted;
Judging whether the material conveying flow can reach a demand state, and executing a first instruction if the material conveying flow can reach the demand state, wherein the first instruction is to stop the adjustment of the anti-blocking discharging device;
and if the material conveying flow rate fails to reach the demand state, executing a second instruction, wherein the second instruction is to open a third valve (7), adjust the third valve (7) until the material flow rate reaches the demand state, and execute the first instruction.
2. An anti-clogging unloading device as claimed in claim 1, characterized in that a first flange (9) is arranged on the port of the first end of the main pipe (1), and the first flange (9) is connected with the negative pressure material sucking device.
3. An anti-jam discharge device as claimed in claim 1, characterized in that a second flange (10) is provided at the end of the second end of the main pipe (1), said second flange (10) being connected to the support structure of the device.
4. An anti-jam discharge device as claimed in claim 1, characterized in that the centre axis of the first inlet pipe (2) is at an angle of 45 ° to the centre axis of the main pipe (1).
5. An anti-clogging discharge device as claimed in claim 1, characterized in that the distance between the centre axis of the outlet of the feed pipe (8) and the port at the second end of the second inlet pipe (3) is 1000-1500mm.
6. The application method of the anti-blocking discharging device is characterized by comprising the following steps of:
the anti-blocking discharging device as claimed in any one of claims 1 to 5 is arranged between the stock bin and the negative pressure material sucking equipment, a port at the first end of the main pipe (1) is connected with an inlet of the negative pressure material sucking equipment, and an inlet of the feeding pipe (8) is connected with a discharge port of the stock bin;
Starting a negative pressure pump of the negative pressure suction equipment to perform negative pressure pumping;
-opening said first valve (5) and said second valve (6), closing said third valve (7), and checking the intake condition;
According to the pressure and the material flow value displayed by the negative pressure material sucking equipment, the opening degrees of the first valve (5) and the second valve (6) are adjusted;
judging whether the material conveying flow can reach a demand state, and executing a first instruction if the material conveying flow can reach the demand state, wherein the first instruction is to stop adjusting the device;
and if the material conveying flow rate fails to reach the demand state, executing a second instruction, wherein the second instruction is to open a third valve (7), adjust the third valve (7) until the material flow rate reaches the demand state, and execute the first instruction.
7. The method of using an anti-clogging discharge device according to claim 6, characterized in that the air pressure of the compressed air in the first air inlet pipe (2), the second air inlet pipe (3) and the third air inlet pipe (4) is greater than or equal to 0.2KPa.
8. The method of using an anti-clogging discharge device according to claim 6, characterized in that the gas in the first inlet pipe (2), the second inlet pipe (3) and the third inlet pipe (4) is nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111078676.9A CN113844898B (en) | 2021-09-15 | 2021-09-15 | Anti-blocking discharging device and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111078676.9A CN113844898B (en) | 2021-09-15 | 2021-09-15 | Anti-blocking discharging device and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113844898A CN113844898A (en) | 2021-12-28 |
| CN113844898B true CN113844898B (en) | 2024-05-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202111078676.9A Active CN113844898B (en) | 2021-09-15 | 2021-09-15 | Anti-blocking discharging device and using method thereof |
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