CN114056938A - Powdery material feeding device and feeding control method - Google Patents
Powdery material feeding device and feeding control method Download PDFInfo
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- CN114056938A CN114056938A CN202010784692.9A CN202010784692A CN114056938A CN 114056938 A CN114056938 A CN 114056938A CN 202010784692 A CN202010784692 A CN 202010784692A CN 114056938 A CN114056938 A CN 114056938A
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- sending pump
- pressure transmitter
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- 239000000463 material Substances 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000007599 discharging Methods 0.000 claims abstract description 16
- 239000012254 powdered material Substances 0.000 claims 2
- 238000010276 construction Methods 0.000 abstract description 6
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 7
- 238000013461 design Methods 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
- 230000006978 adaptation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000012546 transfer Methods 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
- B65G53/04—Conveying materials in bulk pneumatically through pipes or tubes; Air slides
- B65G53/16—Gas pressure systems operating with fluidisation of the materials
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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
-
- 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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- 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
- B65G53/58—Devices for accelerating or decelerating flow of the materials; Use of pressure generators
-
- 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
- B65G53/66—Use of indicator or control devices, e.g. for controlling gas pressure, for controlling proportions of material and gas, for indicating or preventing jamming of material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Transport Of Granular Materials (AREA)
Abstract
The application provides a powdery material feeding device and a feeding control method, wherein the powdery material feeding device comprises a storage bin and a metering and sending pump, a feeding valve is connected between the bottom of the storage bin and the top of the metering and sending pump, and the storage bin is communicated with the metering and sending pump through a first air valve; the metering and sending pump is provided with a first pressure transmitter and a material level meter; the side wall of the metering and sending pump is connected with a discharge pipeline, the discharge pipeline is connected with a discharge valve communicated with the metering and sending pump, and a second pressure transmitter is arranged on the discharge pipeline; the bottom of the metering sending pump is connected with a second air valve communicated with the air source main pipeline, a third air valve communicated with the air source main pipeline is arranged on the discharging pipeline, and a third pressure transmitter is arranged on the air source main pipeline. The beneficial effect of this application is: the metering bin and the sending bin are combined into a metering sending pump, so that the overall height of the equipment is reduced, the structure of the equipment is simplified, and the construction cost is reduced; the material can be effectively prevented from flowing backwards according to the air pressure monitoring of each pressure transmitter.
Description
Technical Field
The disclosure relates to the technical field of powdery material feeding, in particular to a powdery material feeding device and a feeding control method.
Background
But automatic material conveying device of measurement and continuous transport powdery material, its material volume that adds realizes through the volume measurement mode, and this kind of measurement mode includes measurement storehouse and sends the storehouse, stores the storehouse and sets up in the top of measurement storehouse, and conveyor installs in the bottom of storing the storehouse, because the measurement structure adopts two storehouse designs, so the whole height requirement of storing the storehouse is high, and the design load requirement is high, and the cost increases correspondingly. And because the feeding device equipment is more among the prior art, highly higher can not become the sled equipment, needs the site to be special constructor to carry out the construction, and site work volume is big, and the operation maintenance cost is high.
Disclosure of Invention
The application aims at the problems and provides a powdery material feeding device and a feeding control method.
In a first aspect, the application provides a powdery material feeding device, which comprises a storage bin and a metering and sending pump, wherein the metering and sending pump is arranged below the storage bin, a feeding valve is connected between the bottom of the storage bin and the top of the metering and sending pump, and the storage bin is communicated with the metering and sending pump through a first air valve; the metering and sending pump is provided with a first pressure transmitter and a material level meter; the side wall of the metering and sending pump is connected with a discharge pipeline, the discharge pipeline is connected with a discharge valve communicated with the metering and sending pump, and a second pressure transmitter is arranged on the discharge pipeline; the bottom of the metering sending pump is connected with a second air valve communicated with the air source main pipeline, a third air valve communicated with the air source main pipeline is arranged on the discharge pipeline, and a third pressure transmitter is arranged on the air source main pipeline.
According to the technical scheme that this application embodiment provided, still include the controller, the controller configuration is used for control the opening or closing of feed valve, bleeder valve, first pneumatic valve, second pneumatic valve and third pneumatic valve is used for receiving the signal of first pressure transmitter, second pressure transmitter, third pressure transmitter and charge level indicator.
According to the technical scheme that this application embodiment provided, feed valve, bleeder valve and first air valve set up to two valve structures.
According to the technical scheme that this application embodiment provided, third pressure transmitter is connected with the controller electricity, pressure data transmission in the air supply trunk line that third pressure transmitter will detect to the controller.
According to the technical scheme provided by the embodiment of the application, the storage bin, the metering sending pump and the controller are integrated in the prying block.
According to the technical scheme provided by the embodiment of the application, the controller is set to be a PLC controller.
In a second aspect, the present application provides a method for controlling the charging of a powdery material, comprising the following steps:
opening a feeding valve and a first air valve;
receiving a volume signal in a metering sending pump of the level gauge;
when the volume signal reaches a first set value, closing the feeding valve and the first air valve;
opening a second air valve and a third air valve;
receiving a first air pressure signal in a metering sending pump sent by a first pressure transmitter;
when the first air pressure signal reaches a second set value, the discharge valve is opened;
receiving a second air pressure signal in the discharge pipeline sent by a second pressure transmitter;
and when the difference value of the second air pressure signal and the first air pressure signal reaches a third set value, closing the discharge valve, the second air valve and the third air valve.
According to the technical scheme provided by the embodiment of the application, the opening of the feeding valve and the first air valve further comprises the following steps:
receiving a third air pressure signal in the main air source pipeline sent by a third pressure transmitter;
receiving a second air pressure signal in the discharge pipeline sent by a second pressure transmitter;
and when the numerical value of the third air pressure signal is greater than that of the second air pressure signal, the feeding valve and the first air valve are opened.
The invention has the beneficial effects that: the application provides a powdery material feeding device and a feeding control method, wherein a metering bin and a sending bin are combined into a metering sending pump, so that the overall height of equipment is reduced, the structure of the equipment is simplified, and the construction cost is reduced; according to the air pressure monitoring of each pressure transmitter, the material in the discharging pipeline can be effectively prevented from flowing back to the storage bin through timely switching the material injection or discharging process, and the working stability of the whole set of equipment is ensured.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of the present application;
FIG. 2 is a flow chart of a second embodiment of the present application;
the text labels in the figures are represented as: 100. a storage bin; 200. a metering delivery pump; 310. a feed valve; 320. a discharge valve; 410. a first air valve; 420. a second air valve; 430. a third air valve; 510. a first pressure transmitter; 520. a second pressure transmitter; 530. a third pressure transmitter; 600. a level gauge; 700. a discharge pipeline; 800. and a controller.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the following detailed description of the present invention is provided in conjunction with the accompanying drawings, and the description of the present section is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention in any way.
Fig. 1 is a schematic diagram of a first embodiment of the present application, which includes a storage bin 100 and a metering and sending pump 200, wherein the metering and sending pump 200 is disposed below the storage bin 100, a feeding valve 310 is connected between the bottom of the storage bin 100 and the top of the metering and sending pump 200, and the storage bin 100 is communicated with the metering and sending pump 200 through a first gas valve 410; the metering and sending pump 200 is provided with a first pressure transmitter 510 and a level indicator 600; the side wall of the metering and sending pump 200 is connected with a discharge pipeline 700, the discharge pipeline 700 is connected with a discharge valve 320 communicated with the metering and sending pump 200, and a second pressure transmitter 520 is arranged on the discharge pipeline 700; the bottom of the metering sending pump 200 is connected with a second air valve 420 communicated with an air source main pipeline, a third air valve 430 communicated with the air source main pipeline is arranged on the discharging pipeline 700, and a third pressure transmitter 530 is arranged on the air source main pipeline.
In this embodiment, the metering bin and the delivery bin in the prior art are combined into the metering delivery pump 200, so that the overall height of the equipment is reduced, the structure of the equipment is simplified, the manufacturing cost is saved, the overall integration of the equipment on a skid block is possible, and the construction steps on a construction site are simplified. Acquire the atmospheric pressure numerical value in the measurement delivery pump 200 through first pressure change ware, acquire the atmospheric pressure numerical value in the ejection of compact pipeline 700 through second pressure transmitter 520, acquire the atmospheric pressure numerical value in the air supply trunk line through third pressure transmitter 530, the process of reinforced and the ejection of compact is switched through the atmospheric pressure numerical value of each monitoring to make equipment stabilize reinforced and ejection of compact work.
In a preferred embodiment, the system further comprises a controller 800, wherein the controller 800 is configured to control the opening or closing of the inlet valve 310, the outlet valve 320, the first gas valve 410, the second gas valve 420 and the third gas valve 430, and is configured to receive signals of the first pressure transmitter 510, the second pressure transmitter 520, the third pressure transmitter 530 and the level gauge 600. In the preferred embodiment, the controller 800 is used as a control center of the whole set of equipment, and can control each valve and receive the detection data of each transmitter. Preferably, the controller 800 is provided as a PLC controller 800. In this embodiment, the third pressure transmitter 530 is electrically connected to the controller 800, and the third pressure transmitter 530 transmits the detected pressure data in the main air source pipeline to the controller 800.
In a preferred embodiment, the inlet valve 310, the outlet valve 320, and the first gas valve 410 are provided in a dual valve configuration. In this embodiment, because the discharging pipeline 700 is communicated with the main air source pipeline through the third air valve 430, pressure is always present in the discharging pipeline 700, and the material can be effectively prevented from flowing back to the storage bin 100 through the pressure difference control between the discharging pipeline 700 and the main air source pipeline and the double-valve structural design of the feeding valve 310, the discharging valve 320 and the first air valve 410, so that the normal operation of the device is affected.
In a preferred embodiment, the storage bin 100, the metering and dispensing pump 200, and the controller 800 are integrated within a skid. In the preferred embodiment, all parts of the equipment are integrated in the prying block, so that the equipment is convenient to integrate, transfer and install, the workload of field construction is reduced, and the working efficiency is improved.
Fig. 2 is a flowchart of a second embodiment of the present application, and the present embodiment is a control method for the first embodiment, including the following steps:
and S1, opening the feeding valve and the first gas valve.
After the feeding valve and the first air valve are opened, the powdery material in the storage bin enters the metering and sending pump under the action of gravity.
And S2, receiving the volume signal in the metering sending pump of the level gauge.
As material enters the metering and sending pump, a level gauge arranged at a set position senses the volume of the material in the metering and sending pump.
And S3, closing the feeding valve and the first air valve when the volume signal reaches the first set value.
When the volume of the material in the metering and sending pump reaches a first set value, the volume of the material in the metering and sending pump reaches the feeding volume, and the feeding valve and the first air valve are closed at the moment, so that the storage bin does not feed the material into the metering and sending pump any more.
And S4, opening the second air valve and the third air valve.
And S5, receiving a first air pressure signal in the metering sending pump sent by the first pressure transmitter.
And after the second air valve is opened, the air source in the main air source pipeline is introduced into the metering sending pump, and a first pressure regulator arranged on the metering sending pump detects a first air pressure signal in the metering sending pump.
And S6, when the first air pressure signal reaches a second set value, the discharge valve is opened.
When the air pressure value in the metering sending pump reaches a second set value, the metering sending pump has a discharging condition, and the discharging valve is opened, so that the material in the metering sending pump flows into the discharging pipeline.
And S7, receiving a second air pressure signal in the discharge pipeline sent by the second pressure transmitter.
And S8, when the difference value between the second air pressure signal and the first air pressure signal reaches a third set value, closing the discharge valve, the second air valve and the third air valve.
When the pressure difference between the air pressure in the discharging pipeline and the air pressure in the metering sending pump reaches a third set value, the discharging cycle is ended, and the metering sending pump outputs materials with set volume outwards, so that the discharging valve, the second air valve and the third air valve are closed.
In a preferred embodiment, the opening the inlet valve and the first gas valve further comprises the following steps:
receiving a third air pressure signal in the main air source pipeline sent by a third pressure transmitter;
receiving a second air pressure signal in the discharge pipeline sent by a second pressure transmitter;
and when the numerical value of the third air pressure signal is greater than that of the second air pressure signal, the feeding valve and the first air valve are opened.
The principles and embodiments of the present application are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present application, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments, or may be learned by practice of the invention.
Claims (8)
1. The powdery material feeding device is characterized by comprising a storage bin (100) and a metering and sending pump (200), wherein the metering and sending pump (200) is arranged below the storage bin (100), a feeding valve (310) is connected between the bottom of the storage bin (100) and the top of the metering and sending pump (200), and the storage bin (100) is communicated with the metering and sending pump (200) through a first air valve (410);
the metering and sending pump (200) is provided with a first pressure transmitter (510) and a level indicator (600);
the side wall of the metering sending pump (200) is connected with a discharge pipeline (700), the discharge pipeline (700) is connected with a discharge valve (320) communicated with the metering sending pump (200), and a second pressure transmitter (520) is arranged on the discharge pipeline (700);
the bottom of the metering sending pump (200) is connected with a second air valve (420) communicated with the air source main pipeline, a third air valve (430) communicated with the air source main pipeline is arranged on the discharging pipeline (700), and a third pressure transmitter (530) is arranged on the air source main pipeline.
2. The powdery material feeding device according to claim 1, further comprising a controller (800), wherein the controller (800) is configured to control the opening or closing of the feeding valve (310), the discharging valve (320), the first air valve (410), the second air valve (420) and the third air valve (430), and to receive signals of the first pressure transmitter (510), the second pressure transmitter (520), the third pressure transmitter (530) and the level gauge (600).
3. Powdered material feeding device according to claim 1, characterized in that the inlet valve (310), the outlet valve (320) and the first air valve (410) are arranged in a double valve structure.
4. Powdery material feeding device according to claim 2, characterized in that the third pressure transmitter (530) is electrically connected to the controller (800), the third pressure transmitter (530) transmitting detected pressure data in the main gas source pipe to the controller (800).
5. Powdered material feeding device according to claim 2, characterized in that the storage bin (100), the metering and sending pump (200) and the controller (800) are integrated in a skid.
6. The powdery material feeding device according to claim 2, wherein the controller (800) is provided as a PLC controller.
7. A powdery material feeding control method applied to the feeding device according to any one of claims 1 to 6, comprising the steps of:
opening a feeding valve and a first air valve;
receiving a volume signal in a metering sending pump of the level gauge;
when the volume signal reaches a first set value, closing the feeding valve and the first air valve;
opening a second air valve and a third air valve;
receiving a first air pressure signal in a metering sending pump sent by a first pressure transmitter;
when the first air pressure signal reaches a second set value, the discharge valve is opened;
receiving a second air pressure signal in the discharge pipeline sent by a second pressure transmitter;
and when the difference value of the second air pressure signal and the first air pressure signal reaches a third set value, closing the discharge valve, the second air valve and the third air valve.
8. The powdery material charging control method according to claim 7, wherein the opening of the charging valve and the first gas valve further comprises the following steps:
receiving a third air pressure signal in the main air source pipeline sent by a third pressure transmitter;
receiving a second air pressure signal in the discharge pipeline sent by a second pressure transmitter;
and when the numerical value of the third air pressure signal is greater than that of the second air pressure signal, the feeding valve and the first air valve are opened.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010784692.9A CN114056938A (en) | 2020-08-06 | 2020-08-06 | Powdery material feeding device and feeding control method |
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CN202010784692.9A CN114056938A (en) | 2020-08-06 | 2020-08-06 | Powdery material feeding device and feeding control method |
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CN114056938A true CN114056938A (en) | 2022-02-18 |
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CN202010784692.9A Pending CN114056938A (en) | 2020-08-06 | 2020-08-06 | Powdery material feeding device and feeding control method |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201334246Y (en) * | 2009-01-22 | 2009-10-28 | 天津科林斯凯环保科技有限公司 | Automatic feeding device capable of measuring and continuously conveying powdery material |
CN202529571U (en) * | 2012-03-23 | 2012-11-14 | 济南煜龙气力输送设备有限公司 | Gravimetric pulse pneumatic conveyor |
CN202897540U (en) * | 2012-05-29 | 2013-04-24 | 漆水根 | Powder measuring and transporting system of full-automatic mixing plant |
WO2013166122A2 (en) * | 2012-05-01 | 2013-11-07 | Eaton Corporation | Pressure compensation control of a fixed displacement pump in a pumping and metering system and associated method |
CN212424654U (en) * | 2020-08-06 | 2021-01-29 | 天津科林斯凯环保科技有限公司 | Powdery material feeding device |
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2020
- 2020-08-06 CN CN202010784692.9A patent/CN114056938A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201334246Y (en) * | 2009-01-22 | 2009-10-28 | 天津科林斯凯环保科技有限公司 | Automatic feeding device capable of measuring and continuously conveying powdery material |
CN202529571U (en) * | 2012-03-23 | 2012-11-14 | 济南煜龙气力输送设备有限公司 | Gravimetric pulse pneumatic conveyor |
WO2013166122A2 (en) * | 2012-05-01 | 2013-11-07 | Eaton Corporation | Pressure compensation control of a fixed displacement pump in a pumping and metering system and associated method |
CN202897540U (en) * | 2012-05-29 | 2013-04-24 | 漆水根 | Powder measuring and transporting system of full-automatic mixing plant |
CN212424654U (en) * | 2020-08-06 | 2021-01-29 | 天津科林斯凯环保科技有限公司 | Powdery material feeding device |
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