CN1330218C - Pipeline type powder bunker electrostatic remover - Google Patents
Pipeline type powder bunker electrostatic remover Download PDFInfo
- Publication number
- CN1330218C CN1330218C CNB031134556A CN03113455A CN1330218C CN 1330218 C CN1330218 C CN 1330218C CN B031134556 A CNB031134556 A CN B031134556A CN 03113455 A CN03113455 A CN 03113455A CN 1330218 C CN1330218 C CN 1330218C
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- Prior art keywords
- spray point
- discharge
- positive
- conveying pipeline
- air chamber
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- Expired - Lifetime
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- Electrostatic Spraying Apparatus (AREA)
- Nozzles (AREA)
- Elimination Of Static Electricity (AREA)
Abstract
The present invention discloses an electrostatic remover of a pipeline type powder bunker, which comprises a positive pressure air chamber on the outer wall of a conveying pipe and spray points which are arranged in the positive pressure air chamber and on the outer wall of the conveying pipe and are provided with positive ion discharge and negative ion discharge, wherein the spray points of positive ions and negative ions discharge are respectively and electrically connected with a positive ion high voltage module and a negative ion high voltage module mutually which are connected to an output end of a voltage regulator; the spray points open into the inner part of the conveying pipe and are arranged on the conveying pipe via a spray point base; a positive draft chamber on the spray point base is communicated with the positive pressure air chamber. The electrostatic remover has continuous adjustment of positive and negative ions and high efficiency of electrostatic elimination, and also, harsh electrostatic prevention requirements of a large bunker of powders are satisfied. The present invention has positive draft protection and the work is safe and reliable.
Description
Affiliated technical field
The present invention relates to a kind of static eraser that is used for petrochemical industry powder material conveyance conduit.
Background technology
At petroleum chemical industry, wind send in the powder material process such as polyolefin, exists mutual collision and friction inevitably, makes material produce and carry a large amount of electrostatic charges, especially to the big material bin of petrochemical industry, it is less to bring out the required critical charge-mass ratio of powder discharge, and discharge frequency is higher, and increasing along with material in the storehouse, the increase of stockpile top combustible gas concentration, the institute's energy requirement that ignites reduces, and very easily brings out feed bin dust explosion and burning, even leads to fatal crass's serious accident.In order to control the generation of blast accident that static causes effectively, people always pay the utmost attention to and how to suppress and eliminate static, but in the reality, because the material electrostatic charge exists "+", "-" two kinds of polarity, and charged big rise and fall, skewness, many reasons such as critical charge-mass ratio is inconsistent in each operational environment in addition, make interchange or direct current consumer appliance all can't reach the desirable electrical efficiency that disappears, this people's care static is for a long time eliminated problem, never find effective technical means, and the methods such as process operation condition and fuel gas control that still rely on reduce and fire probability, but this method exists, and to influence link many, as technological fluctuation, safeguard inconsiderately etc., out-of-control phenomenon very easily takes place, reliability is not high, is difficult to avoid the generation of accident.
Summary of the invention
In order to overcome the prior art above shortcomings, the object of the present invention is to provide a kind of electrical efficiency height that disappears, and the electric positive and negative ion injection rate adjustable pipeline type powder material warehouse Xelminator respectively that disappears.
The technical solution adopted for the present invention to solve the technical problems is: be provided with the malleation air chamber on the conveying pipeline outer wall, the spray point of cation discharge and anion discharge is housed on the indoor conveying pipeline outer wall of positive pressure gas, described spray point leads in the conveying pipeline and by the discharge needle stand and is installed on the conveying pipeline, be provided with the forced draft chamber being positioned on the discharge needle stand of spray point fore-end, this forced draft chamber is connected with the malleation air chamber.
Described spray point with cation discharge is electrically connected with the cation high-pressure modular; Spray point with anion discharge is electrically connected with the anion high-pressure modular; Described positive and negative ion high-pressure modular is connected with output voltage regulator respectively.
After adopting said structure, owing on the conveying pipeline positive and negative ion spray point is housed, its pin surface of metal electrode, under the effect of electric potential field, dissociate respectively and to disappear electric cation and anion, after this positive and negative ion is injected into conveying pipeline, meet with heterocharge that material is with in the conveying pipeline and compound mutually, the electric charge of charged material is disappeared; Particularly this structure can according to material in the conveying pipeline the variation of electrically charged amount and polarity ratio thereof, preset respectively or "+" of timely adjustment positive and negative ion spray point, the output of "-" high voltage source, thereby obtain "+", "-" ion flow ratio of suitable elimination static, reach the best electrical efficiency that disappears.Also because the spray point end is provided with the forced draft chamber, high pressure draught sprays in the conveying pipeline through the spray point surface during work, the anti-stream of material and the accumulation on spray point have been stoped so on the one hand, prior one side is to have improved the kinetic energy that positive and negative ion spreads in conveying pipeline, both increased the free probability of electric field, increase the electric field strength of wire surface again, thereby further improved the electrical efficiency that disappears.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is the front view of a kind of structure of pipeline type powder material warehouse Xelminator of the present invention;
Fig. 2 is the theory diagram of pipeline type powder material warehouse Xelminator shown in Figure 1;
Fig. 3 is the front view of pipeline type powder material warehouse Xelminator spray point structure shown in Figure 1.
Embodiment
Pipeline type powder material warehouse Xelminator shown in Figure 1, send the outer wall of material conveying pipeline 3 to be socketed with in the form of a ring malleation air chamber 1 at wind, malleation air chamber 1 is provided with the air supply opening 2 that is connected with high-pressure air source, and high-pressure modular 10 and cable joint 5 also are arranged on the malleation air chamber 1; On the outer wall of the conveying pipeline 3 in malleation air chamber 1, two along the wall circumferential array and discharge acusectors 7, every row's spray point 7 is equipped with eight, and presses the staggered successively setting at interval of spray point of cation discharge and anion discharge; Spray point between two rows is also vertically staggered, and this symmetric arrays mode helps positive and negative deionization and spreads in conveying pipeline equably, thereby strengthens the electric effect that disappears, and improves the electrical efficiency that disappears.The corresponding aperture that spray point 7 passes on the conveying pipeline 3 leads in the conveying pipeline 3; Spray point 7 is loaded on the discharge needle stand 8 and by sealing 4 and is installed on hermetically on the outer wall of conveying pipeline 3, be provided with forced draft chamber 6 with the discharge needle stand 8 of spray point 7 leading section correspondence positions, this forced draft chamber 6 is connected by symmetrically arranged two air ducts 9 with malleation air chamber 1.As shown in Figure 3, spray point 7 is connected with high-pressure modular by current-limiting resistance 12 and spray point lead-in wire 11, and spray point 7 and current-limiting resistance 12 are fixed on the needle stand 8 that discharges by resin 13.Shown in Figure 2, the output of voltage regulator is connected with cation high-pressure modular and anion high-pressure modular respectively, and the cation high-pressure modular is electrically connected mutually with the cation spray point, and the anion high-pressure modular is electrically connected mutually with the anion spray point.
During work, according to the electrify size and the polarity situation of material in the conveying pipeline, output is rationally preset or timely adjustment to the high voltage source of voltage regulator, to reach the best electrical efficiency that disappears; Air with pressure enters malleation air chamber 1 from air supply opening 2, air duct 9 and forced draft chamber 6 on discharge needle stand 8 is blown in the conveying pipeline 3 again, the heterocharge of disappear electric positive and negative ion and the material that spray point 7 is dissociated is compound fully, reaches the effect of efficient elimination material electric charge.In order to guarantee to work more reliably, should keep the atmospheric pressure value in the malleation air chamber 1, therefore, in malleation air chamber 1, pressure sensor is installed, to have only when air-pressure chamber pressure to reach setting, during as pressure 〉=1.0KPa, just high-pressure modular is powered to spray point 7; Otherwise when gas circuit interruption or unexpected decompression, during as force value deficiency 1.0KPa, the spray point high-tension circuit cuts off automatically.Simultaneously, before the consumer appliance spray point energising should there be the gas displacement delay protection time,, just spray point be started working as after aligning the gas displacement that plenum chamber 1 carries out more than the 60S, powering.
The quantity of above-mentioned spray point arrangement mode and quantity and air duct 9 and set-up mode all can be made corresponding adjustment according to conveying pipeline size and working condition.Spray point 7 is a tungsten alloy material, also can adopt other to have high conductivity and high-melting point metal sintered powder material, and 8 of discharge needle stands adopt 10
12Ω high resistant insulating material.
Claims (6)
1, a kind of pipeline type powder material warehouse Xelminator, it is characterized in that: on conveying pipeline (3) outer wall, be provided with malleation air chamber (1), the spray point (7) of cation discharge and anion discharge is housed on conveying pipeline (3) outer wall in malleation air chamber (1), described spray point (7) leads in the conveying pipeline (3) and by the needle stand (8) that discharges and is installed on the conveying pipeline (3), be provided with forced draft chamber (6) on the discharge needle stand (8) that is positioned at spray point (7) fore-end, this forced draft chamber (6) is connected with malleation air chamber (1).
2, Xelminator according to claim 1 is characterized in that: described spray point (7) with cation discharge is electrically connected with the cation high-pressure modular; Spray point (7) with anion discharge is electrically connected with the anion high-pressure modular; Described cation high-pressure modular and anion high-pressure modular link to each other with output voltage regulator respectively.
3, Xelminator according to claim 1 is characterized in that: the spray point (7) with cation discharge and anion discharge is a plurality of, and is crisscross arranged successively along conveying pipeline (3) wall.
4, Xelminator according to claim 1 is characterized in that: the discharge needle stand (8) that spray point (7) is housed is installed on the outer wall of conveying pipeline (3) hermetically by seal (4).
5, Xelminator according to claim 1 is characterized in that: described malleation air chamber (1) wall is provided with air supply opening (2).
6, according to each described Xelminator in the claim 1 to 5, it is characterized in that: described spray point (7) is a tungsten alloy material, and described discharge needle stand (8) is the high resistant insulating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031134556A CN1330218C (en) | 2003-05-10 | 2003-05-10 | Pipeline type powder bunker electrostatic remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031134556A CN1330218C (en) | 2003-05-10 | 2003-05-10 | Pipeline type powder bunker electrostatic remover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1549664A CN1549664A (en) | 2004-11-24 |
| CN1330218C true CN1330218C (en) | 2007-08-01 |
Family
ID=34320085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031134556A Expired - Lifetime CN1330218C (en) | 2003-05-10 | 2003-05-10 | Pipeline type powder bunker electrostatic remover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1330218C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102123556A (en) * | 2010-12-22 | 2011-07-13 | 苏州天华超净科技股份有限公司 | Ion fan transmitting needle |
| CN107306471A (en) * | 2015-12-25 | 2017-10-31 | 北京东方计量测试研究所 | A kind of safety-type powder electrostatic arrester |
| CN105731079A (en) * | 2016-01-29 | 2016-07-06 | 广州创特技术有限公司 | Electrostatic connection sheet of pneumatic conveying pipeline |
| CN110386374B (en) * | 2018-04-19 | 2021-04-13 | 中国石油化工股份有限公司 | Method and system for monitoring and controlling static electricity of polyolefin bin powder |
| CN109688682A (en) * | 2018-12-30 | 2019-04-26 | 上海安平静电科技有限公司 | A kind of direct current powder charger-eliminator and eliminate system |
| CN109688683A (en) * | 2018-12-30 | 2019-04-26 | 上海安平静电科技有限公司 | A kind of exchange powder charger-eliminator and powder conveying pipeline charge eliminate system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU430522A1 (en) * | 1972-02-17 | 1974-05-30 | В. А. Бел нкин , А. С. Спиридонов | DEVICE FOR NEUTRALIZATION OF ELECTRIC CHARGES |
| JPH08162284A (en) * | 1994-12-09 | 1996-06-21 | Fuiisa Kk | Static eliminator |
| JPH11176557A (en) * | 1997-12-12 | 1999-07-02 | Kazuo Okano | Electric discharge electrode for ion generating apparatus |
| CN2618404Y (en) * | 2003-05-10 | 2004-05-26 | 江苏东强股份有限公司 | Tubular power bin electrostatic eliminator |
-
2003
- 2003-05-10 CN CNB031134556A patent/CN1330218C/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU430522A1 (en) * | 1972-02-17 | 1974-05-30 | В. А. Бел нкин , А. С. Спиридонов | DEVICE FOR NEUTRALIZATION OF ELECTRIC CHARGES |
| JPH08162284A (en) * | 1994-12-09 | 1996-06-21 | Fuiisa Kk | Static eliminator |
| JPH11176557A (en) * | 1997-12-12 | 1999-07-02 | Kazuo Okano | Electric discharge electrode for ion generating apparatus |
| CN2618404Y (en) * | 2003-05-10 | 2004-05-26 | 江苏东强股份有限公司 | Tubular power bin electrostatic eliminator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1549664A (en) | 2004-11-24 |
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