CN205312291U - Combination control feed bin - Google Patents
Combination control feed bin Download PDFInfo
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- CN205312291U CN205312291U CN201620041357.9U CN201620041357U CN205312291U CN 205312291 U CN205312291 U CN 205312291U CN 201620041357 U CN201620041357 U CN 201620041357U CN 205312291 U CN205312291 U CN 205312291U
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- feed bin
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Abstract
The utility model provides a combination control feed bin, includes feed bin body (7), the lower part of feed bin body (7) is including a conic section, and conic section is last to have one deck or multilayer to aerify a little, conic section sets up bin outlet in the bottom, and bin outlet is connected to pneumatic conveyer pipe way (12), combination control feed bin still includes air compressor machine (1), and it is connected to and divide into triplex gas circuit Q1, Q2 and Q3 after processing unit (2) behind the compressed air, and gas circuit Q1 is connected to feed bin body (7) top, maintains the feed bin internal pressure, and gas circuit Q2 is connected to pneumatic conveyer pipe way (12), draws off the material with the feed bin and carries to the target container, and gas circuit Q3 is connected to one deck or multilayer are aerifyd a little. Differential pressure sensor (10) and differential pressure control valve (3) connected between gas circuit Q1 and the gas circuit Q2. The utility model discloses a solve effectively that the powder material is built bridge and effective the improvement and the stable control powder material mass flow of unloading.
Description
Technical field
The utility model relates to a kind of storage material container, relates to a kind of combination control feed bin further.
Background technology
In industry fields such as the energy, chemical industry, metallurgy, cement, food and pharmacy, there is the powder material being stored in feed bin in a large number, such as fine coal, cement, flour, medicine powder etc., need to be stablized, draw off uniformly, being delivered in downstream process, the unloading characteristics that material is drawn off by feed bin is directly connected to the safety and stability of back-end process. The situation of discharging is only carried out by gravity, if silo design is unreasonable or runs into the problems such as the situations such as material physical property change may occur core flow, blocking and discharging unstable, and its underaction in discharging mass flow rate adjustment. For addressing this problem, increase mechanism or the method inflated by feed bin is suggested and applies at bin outlet.
Traditional mechanical type feed mode as rotary valve and spiral pump can be more accurate control delivery rate, but due to sealing problem, generally can only be applied in the occasion that pressure is no more than 3bar. Meanwhile, high energy consumption (especially spiral pump) and due to rotate the parts shorter further application also constraining mechanical type feed mode in the work-ing life caused easy to wear.
Inflation feed bin is also called sending cans, is divided into bottom discharge and top discharge two kinds of forms, little with its energy consumption, equipment is simple, noise is little and is paid attention to. At present, the feed that sending cans can be applicable under different pressures, especially high pressure (MPa level) environment, is widely used in the occasion of the high pressure feed such as dry coal dust gasification furnace feed and blast furnace feeding. But research also finds, inflation feed bin sharpness of regulation is low, and when aerating position and aeration quantity coordinate not good, has material and builds bridge and occur, destroys the stability of discharging on the contrary.
Practical novel content
In view of this, the purpose of this utility model is to provide a kind of assembled bin, to solve above-described technical problem.
The utility model provides a kind of combination control feed bin, comprises feed bin body, wherein,
The bottom of described feed bin body includes a cone section, described cone section has one or more layers inflation point, offers bin outlet bottom described cone section, and bin outlet is connected to Pneumatic conveying pipeline;
Described combination control feed bin also comprises air compressor machine, it is divided into three part gas circuit Q1, Q2 and Q3 after being connected to pressurized air post-processing unit, gas circuit Q1 is connected to feed bin bodies top, maintain pressure in feed bin, gas circuit Q2 is connected to Pneumatic conveying pipeline, feed bin drawing off mass transport to target container, gas circuit Q3 is connected to one or more layers inflation point described.
According to a kind of embodiment of the present utility model, a minute gas unit it is connected with further between described gas circuit Q3 and described inflation point, divide and it is connected to gas flow rate control unit between gas unit and each inflation point, control with the intake pressure to each inflation.
According to a kind of embodiment of the present utility model, described feed bin body is connected with LOAD CELLS.
According to a kind of embodiment of the present utility model, described LOAD CELLS is installed under three equally distributed ears of feed bin body equal altitudes.
According to a kind of embodiment of the present utility model, described feed bin body is connected with pressure transmitter, to measure feed bin body interior pressure.
According to a kind of embodiment of the present utility model, described pressure transmitter (9) is installed on the top of feed bin body.
According to a kind of embodiment of the present utility model, the differential pressure pick-up connected between gas circuit Q1 and gas circuit Q2 and differential pressure regulating valve.
According to a kind of embodiment of the present utility model, described differential pressure regulating valve (3) is stopping valve or butterfly valve.
According to a kind of embodiment of the present utility model, connected by discharging ball valve between described bin outlet and described Pneumatic conveying pipeline.
According to technique scheme, the effect of the utility model combination control feed bin is:
(1) by arranging air compressor machine, feed bin is inflated through Q1 and Q3 gas circuit by air compressor machine, avoid the bridge formation of B class coal dust in feed bin of the material of mobility difference, water-content as outer in height, by being inflated by feed bin, it is to increase the discharging mass rate of powder material;
(2) by arranging LOAD CELLS, weight in feed bin is carried out monitor in real time;
(3) by arranging air compressor machine, differential pressure pick-up and differential pressure regulating valve, it is achieved inflation and differential pressure combination control, it is achieved to the accurate regulation and control of mass flow;
(4) by arranging pressurized air post-processing unit, remove the moisture in pressurized air and oil, obtain dry, clean pressurized air.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment 1;
In figure:
1-air compressor machine,
2-pressurized air post-processing unit,
3-differential pressure regulating valve,
4-sub-cylinder,
5-gas flow rate control unit,
6-ball valve,
7-feed bin body,
8-LOAD CELLS,
9-pressure transmitter,
10-differential pressure pick-up,
11-discharging ball valve,
12-Pneumatic conveying pipeline.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with specific embodiment, and with reference to accompanying drawing, the utility model is described in further detail.
The utility model provides a kind of combination control feed bin, comprises feed bin body, wherein:
Comprising a cone section below described feed bin body, cone section has one or more layers inflation point, offers bin outlet bottom described cone section, bin outlet is connected to Pneumatic conveying pipeline;
Described combination control feed bin also comprises air compressor machine, it is divided into three gas circuit Q1, Q2 and Q3 after being connected to pressurized air post-processing unit, gas circuit Q1 is connected to feed bin bodies top, maintain pressure in feed bin, gas circuit Q2 is connected to Pneumatic conveying pipeline, feed bin drawing off mass transport to target container, gas circuit Q3 is connected to one or more layers inflation point described.
For the selection of multilayer inflation point, the number of plies of inflation point bores section height depending on feed bin, and every layer has a main steam line, is connected the inflation point being evenly arranged on feed bin, and inflation point quantity is depending on feed bin diameter; For the connection between gas circuit Q3 and inflation point, it is connected with a point gas unit therebetween further, between point gas unit and each inflation point, it is connected to gas flow rate control unit, control with the intake pressure to each inflation point.
For the selection of air compressor machine, inflation is provided through sub-cylinder by gas source, and the amount of described inflation is controlled by each layer gas flow rate control unit, between the minimum fluidization velocity of aeration quantity powder material in feed bin and settling velocity.
For the material of the combination control each assembly of feed bin, feed bin body is preferably metal feed bin, and feed bin body adopts carbon steel or stainless steel to make, with the plant running adapted in normal pressure or different pressurization situation; Described Pneumatic conveying pipeline, adopts carbon steel pipe or stainless steel tube, depending on different discharging mass rate, different material, different pressures, the selection of caliber is different.
For feed bin body, it is preferable that, feed bin body installs LOAD CELLS, it is more preferable to, LOAD CELLS is installed under three equally distributed ears of feed bin body equal altitudes. Preferably, described feed bin bodies top is provided with pressure transmitter, to measure feed bin body (7) internal pressure.
Preferred connection differential pressure pick-up and differential pressure regulating valve between gas circuit Q1 and gas circuit Q2, it is achieved inflation and differential pressure combination control, it is achieved to the accurate regulation and control of mass flow.
Between gas circuit Q3 and inflation point, preferably it is connected with a minute gas unit further, between point gas unit and each inflation point, it is connected to gas flow rate control unit, control with the intake pressure to each inflation point.
Embodiment 1:
With reference to Fig. 1, a kind of combination control feed bin device, this device comprises: air compressor machine 1, pressurized air post-processing unit 2, differential pressure regulating valve 3, sub-cylinder 4, gas flow rate control unit 5, ball valve 6, feed bin body 7, LOAD CELLS 8, pressure transmitter 9, differential pressure pick-up 10, discharging ball valve 11, Pneumatic conveying pipeline 12. air compressor machine 1, as gas source, mainly provides three part gas circuit Q1, Q2, Q3. gas circuit Q1 maintains feed bin pressure, and Q2 is used for feed bin drawing off mass transport to target container, and Q3 is used for feed bin cone section inflation. pressurized air post-processing unit 2, for the moisture that removes in pressurized air and oil, obtains dry, clean pressurized air. regulate differential pressure regulating valve 3 aperture can control feed bin and the differential pressure of powder material transfer line, this differential pressure is measured by the differential pressure pick-up 10 at UNICOM's feed bin top and main conveying gas circuit, sub-cylinder 4 is for buffer compression gas, gas flow rate control unit 5 is for fixing quantity pressurising gas, ball valve 6 is for controlling the switch of pressurising gas gas circuit, feed bin body 7 adopts carbon steel or stainless steel to make, with the plant running adapted in normal pressure or different pressurization situation, LOAD CELLS 7 measures the quality of feed bin in real time, pressure transmitter 9 measuring system pressure, discharging ball valve 11 is the switch of feed bin discharging, feed bin is drawn off mass transport to targeted environment by Pneumatic conveying pipeline 12.
The carrying out practically step of the combination control feed bin device of the present embodiment is: open air compressor machine 1 and pressurized air post-processing unit 2, required pressurising gas tolerance is regulated with gas flow rate control unit 5, pressure regulation differential pressure regulating valve 3 regulates feed bin and transfer line differential pressure, open gas-filled switching tube ball valve 6, open feed bin discharging ball valve 11, deviation according to LOAD CELLS rate (being about powder material discharging mass rate) and target powder material discharging mass rate over time, regulate the differential pressure of feed bin and powder material transfer line or regulate each layer aeration quantity and combination thereof, it is made to reach target flow. the material drawn off is transferred the band of gas in Pneumatic conveying pipeline 12 and walks, target approach container, treats that pressure transmitter 9 pressure declines suddenly, LOAD CELLS 8 registration is constant, illustrates that in feed bin, material is emptying, and discharging terminates.
Above-described specific embodiment; the purpose of this utility model, technical scheme and useful effect have been further described; it it should be understood that; the foregoing is only specific embodiment of the utility model; it is not limited to the utility model; all within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (9)
1. a combination control feed bin, comprises feed bin body (7), it is characterised in that,
The bottom of described feed bin body (7) includes a cone section, described cone section has one or more layers inflation point, offers bin outlet bottom described cone section, and bin outlet is connected to Pneumatic conveying pipeline (12);
Described combination control feed bin also comprises air compressor machine (1), it is divided into three part gas circuit Q1, Q2 and Q3 after being connected to pressurized air post-processing unit (2), gas circuit Q1 is connected to feed bin body (7) top, maintain pressure in feed bin, gas circuit Q2 is connected to Pneumatic conveying pipeline (12), feed bin drawing off mass transport to target container, gas circuit Q3 is connected to one or more layers inflation point described.
2. combination according to claim 1 control feed bin, it is characterized in that, it is connected with a minute gas unit between described gas circuit Q3 and described inflation point further, between point gas unit and each inflation point, it is connected to gas flow rate control unit, control with the intake pressure to each inflation point.
3. combination according to claim 1 control feed bin, it is characterised in that, described feed bin body (7) is connected with LOAD CELLS (8).
4. combination according to claim 3 control feed bin, it is characterised in that, described LOAD CELLS (8) is installed under three equally distributed ears of feed bin body equal altitudes.
5. combination according to claim 1 control feed bin, it is characterised in that, described feed bin body (7) is connected with pressure transmitter (9), to measure feed bin body (7) internal pressure.
6. combination according to claim 5 control feed bin, it is characterised in that: described pressure transmitter (9) is installed on the top of feed bin body.
7. combination according to claim 1 control feed bin, it is characterised in that, the differential pressure pick-up (10) connected between gas circuit Q1 and gas circuit Q2 and differential pressure regulating valve (3).
8. combination according to claim 7 control feed bin, it is characterised in that: described differential pressure regulating valve (3) is stopping valve or butterfly valve.
9. combination according to claim 1 control feed bin, it is characterised in that, connected by discharging ball valve (11) between described bin outlet and described Pneumatic conveying pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620041357.9U CN205312291U (en) | 2016-01-15 | 2016-01-15 | Combination control feed bin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620041357.9U CN205312291U (en) | 2016-01-15 | 2016-01-15 | Combination control feed bin |
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| CN205312291U true CN205312291U (en) | 2016-06-15 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107628444A (en) * | 2017-10-16 | 2018-01-26 | 东莞市联洲知识产权运营管理有限公司 | A kind of pneumatic feeding device of toxic chemical powder |
| CN107879126A (en) * | 2017-10-25 | 2018-04-06 | 中国船舶重工集团公司第七〇九研究所 | The automatic assembling and disassembling system and method for Geldart-D particle radioactivity resin |
| CN109292456A (en) * | 2018-11-20 | 2019-02-01 | 奥星制药设备（石家庄）有限公司 | A kind of deceleration material blanking tube |
| CN109607235A (en) * | 2018-12-29 | 2019-04-12 | 航天神洁(北京)科技发展有限公司 | A kind of coal dust feed system with self-loopa |
| CN113533131A (en) * | 2021-07-02 | 2021-10-22 | 东南大学 | Gas penetrability and stress measuring device and method suitable for powder under high-pressure environment |
-
2016
- 2016-01-15 CN CN201620041357.9U patent/CN205312291U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107628444A (en) * | 2017-10-16 | 2018-01-26 | 东莞市联洲知识产权运营管理有限公司 | A kind of pneumatic feeding device of toxic chemical powder |
| CN107879126A (en) * | 2017-10-25 | 2018-04-06 | 中国船舶重工集团公司第七〇九研究所 | The automatic assembling and disassembling system and method for Geldart-D particle radioactivity resin |
| CN109292456A (en) * | 2018-11-20 | 2019-02-01 | 奥星制药设备（石家庄）有限公司 | A kind of deceleration material blanking tube |
| CN109607235A (en) * | 2018-12-29 | 2019-04-12 | 航天神洁(北京)科技发展有限公司 | A kind of coal dust feed system with self-loopa |
| CN109607235B (en) * | 2018-12-29 | 2021-07-13 | 航天神洁(北京)科技发展有限公司 | Take self-loopa's buggy charge-in system |
| CN113533131A (en) * | 2021-07-02 | 2021-10-22 | 东南大学 | Gas penetrability and stress measuring device and method suitable for powder under high-pressure environment |
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