CN104401738A - Nitrogen closed suction type pneumatic conveying method for lead powder - Google Patents
Nitrogen closed suction type pneumatic conveying method for lead powder Download PDFInfo
- Publication number
- CN104401738A CN104401738A CN201410556257.5A CN201410556257A CN104401738A CN 104401738 A CN104401738 A CN 104401738A CN 201410556257 A CN201410556257 A CN 201410556257A CN 104401738 A CN104401738 A CN 104401738A
- Authority
- CN
- China
- Prior art keywords
- nitrogen
- lead powder
- closing
- pneumatic conveying
- conveying
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The invention discloses a nitrogen closed suction type pneumatic conveying method for lead powder. The method comprises the following steps of 1, constructing a nitrogen closed suction type pneumatic conveying system for lead powder; 2, conveying the lead powder by adopting a nitrogen closed suction type pneumatic conveying process; 3, adopting nitrogen protection for lead powder conveying and performing closed recycle on nitrogen. The nitrogen for protecting the lead powder conveying passes through a gas-solid separating device (6), an ultrafiltration device (7), a nitrogen return pipeline (9), a vacuum pump device (11) and a nitrogen storage tank (13) and is recycled for conveying the lead powder. Data are detected by a nitrogen concentration detector (14) arranged on the nitrogen storage tank (13) in a closed cycle system, and nitrogen is supplemented to the closed cycle system at any time by a nitrogen generating device (12) arranged in the system. According to the method, the equipment number and equipment maintenance are reduced, and the occupational hazard caused by conveying the lead powder in the production process of lead-acid storage batteries is effectively eliminated or reduced.
Description
Technical field
The present invention relates to field of Environment Protection, more particularly, relate to the suction of a kind of nitrogen closing and send formula lead powder pneumatic conveying method.
Background technology
Along with the fast development of automobile, boats and ships and telecommunications industry, lead-acid storage battery also develops rapidly as the power source that cost performance is higher thereupon, and practitioner is increasing year by year.Due to personnel's close contact hazardous and noxious substances of lead-acid storage battery production enterprise more than 80%, measure of control imperfection in addition, causes the health of the former operating personnels of objectionable impurities such as contact lead and sulfuric acid to receive serious threat.Thus, to lead-acid storage battery production enterprise implement actv. measure of control, reduce occupational disease attack rate, become the task of top priority of lead-acid storage battery production enterprise occupational health management work.
Mainly there are following problems in existing lead-acid storage battery production:
Lead powder delivery system device is huge, and plant maintenance amount is large, and equipment failure rate is higher, all will carry out the maintenance of lead powder conveyer and part replacement every year, and lead dust is large especially to maintenance of equipment personnel injury.
Summary of the invention
The technical matters that the present invention mainly solves is, for the above-mentioned defect in prior art, provides a kind of nitrogen closing to inhale and send formula lead powder pneumatic conveying method.
The technical solution adopted for the present invention to solve the technical problems is: a kind of nitrogen closing is inhaled and sent formula lead powder pneumatic conveying method, comprises the following steps:
The first step: construct a kind of nitrogen closing and inhale and send formula lead powder air-transport system, it comprise connect successively lead powder storage warehouse, lead powder transmitter, delivery duct, gas-solid separating device, ultrafiltration device, lead powder storehouse, nitrogen return conduits, vacuum pump apparatus, nitrogen storage gas tank and system control device; Lead powder storage warehouse is provided with level-sensing device, lead powder device for discharging is set under lead powder storage warehouse; Nitrogen return conduits is provided with pressure sensor; Nitrogen closing circulating system is provided with nitrogen device processed; The nitrogen gas concn detector that nitrogen storage gas tank is arranged.
Second step: adopt nitrogen closing to inhale and send formula pneumatic conveying process to carry out lead powder conveying.Lead powder device for discharging, lead powder transmitter, delivery duct, gas-solid separating device and ultrafiltration device are set under lead powder storage warehouse, adopt in lead powder storehouse lead powder being sent to each production station under nitrogen protection state.
3rd step: lead powder conveying is adopted to nitrogen protection and carries out close cycle utilization to nitrogen.The nitrogen of protection lead powder conveying is recycled through gas-solid separating device, ultrafiltration device, nitrogen return conduits, vacuum pump apparatus and nitrogen storage gas tank again to be carried for lead powder.According to the nitrogen gas concn detector determination data that nitrogen storage gas tank in closed cycle system is arranged, the nitrogen device processed configured in employing system at any time supplements nitrogen in closed cycle system.
A kind of nitrogen closing of the present invention is inhaled and is sent formula lead powder pneumatic conveying method, is provided with the suction of a set of nitrogen closing and send formula lead powder pneumatic conveying method to carry for lead powder under lead powder storage warehouse.
A kind of nitrogen closing of the present invention is inhaled and is sent formula lead powder pneumatic conveying method, and the nitrogen closing for the protection of lead powder conveying recycles.
A kind of nitrogen closing of the present invention is inhaled and is sent formula lead powder pneumatic conveying method; in the nitrogen closing recycling system carried for the protection of lead powder; be configured with nitrogen device processed; the nitrogen gas concn that can use according to close cycle; carry out automatic nitrogen to supplement, guarantee that nitrogen gas concn meets technological requirement.
beneficial effect of the present invention:
1, employing of the present invention will reduce Mechanical Equipment Quantity and machinery maintenance amount (great advantage that Geldart-D particle substitutes traditional mechanical transmission device is just this);
2, employing protection nitrogen closing of the present invention recycle; eliminate or reduce lead powder in lead-acid storage battery production process and carry the occupational hazard caused; lead powder pneumatic conveying method reliability of operation and stability can be effectively guaranteed, also effectively energy consumption can be reduced simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation that a kind of nitrogen closing of the present invention inhales the air-transport system sent in formula lead powder pneumatic conveying method.
In figure: 1, lead powder storage silo 2, level-sensing device 3, lead powder device for discharging 4, lead powder transmitter 5, delivery duct 6, gas-solid separating device 7, ultrafiltration device 8, lead powder storehouse 9, nitrogen return conduits 10, pressure sensor 11, vacuum pump apparatus 12, nitrogen device 13 processed, nitrogen storage gas tank 14, nitrogen gas concn detector 15, system control device.
Detailed description of the invention
Clearly understanding to have technical characteristic of the present invention, object and effect, now contrasting accompanying drawing and describing the specific embodiment of the present invention in detail.
A kind of nitrogen closing is inhaled and is sent formula lead powder pneumatic conveying method, comprises the following steps:
The first step: construct the suction of a kind of nitrogen closing and send formula lead powder air-transport system, as shown in Figure 1, it comprise connect successively lead powder storage warehouse 1, lead powder transmitter 4, delivery duct 5, gas-solid separating device 6, ultrafiltration device 7, lead powder storehouse 8, nitrogen return conduits 9, vacuum pump apparatus 11, nitrogen storage gas tank 13 and system control device 15; Lead powder storage warehouse 1 is provided with level-sensing device 2, and lead powder storage warehouse arranges lead powder device for discharging 31 time; Nitrogen return conduits 9 is provided with pressure sensor 10; Nitrogen closing circulating system is provided with nitrogen device 12 processed; The nitrogen gas concn detector 14 that nitrogen storage gas tank 13 is arranged.
Second step: adopt nitrogen closing to inhale and send formula pneumatic conveying process to carry out lead powder conveying.Lead powder storage warehouse arranges lead powder device for discharging 3, lead powder transmitter 4, delivery duct 5, gas-solid separating device 6 and ultrafiltration device 7 etc. for 1 time, adopts in the lead powder storehouse 8 lead powder being sent to each production station under nitrogen protection state.
3rd step: lead powder conveying is adopted to nitrogen protection and carries out close cycle utilization to nitrogen.The nitrogen of protection lead powder conveying is recycled through gas-solid separating device 6, ultrafiltration device 7, nitrogen return conduits 9, vacuum pump apparatus 11 and nitrogen storage gas tank 13 again to be carried for lead powder.According to nitrogen gas concn detector 14 determination data that nitrogen storage gas tank 13 in closed cycle system is arranged, in the nitrogen device processed 12 pairs of closed cycle systems configured in employing system at any time, supplement nitrogen.
A kind of nitrogen closing of the present invention is inhaled and is sent formula lead powder pneumatic conveying method, and lead powder storage warehouse is provided with the suction of a set of nitrogen closing for 1 time and send formula lead powder pneumatic conveying method to carry for lead powder.
A kind of nitrogen closing of the present invention is inhaled and is sent formula lead powder pneumatic conveying method, and the nitrogen closing for the protection of lead powder conveying recycles.
A kind of nitrogen closing of the present invention is inhaled and is sent formula lead powder pneumatic conveying method; in the nitrogen closing recycling system carried for the protection of lead powder; be configured with nitrogen device 12 processed; the nitrogen gas concn that can use according to close cycle; carry out automatic nitrogen to supplement, guarantee that nitrogen gas concn meets technological requirement.
Above content is in conjunction with concrete optimal technical scheme further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (4)
1. nitrogen closing is inhaled and is sent a formula lead powder pneumatic conveying method, it is characterized in that, comprises the following steps:
The first step: construct a kind of nitrogen closing and inhale and send formula lead powder air-transport system, it comprise connect successively lead powder storage warehouse (1), lead powder transmitter (4), delivery duct (5), gas-solid separating device (6), ultrafiltration device (7), lead powder storehouse (8), nitrogen return conduits (9), vacuum pump apparatus (11), nitrogen storage gas tank (13) and system control device (15); Lead powder storage warehouse (1) is provided with level-sensing device (2), lead powder device for discharging (3) is set under lead powder storage warehouse (1); Nitrogen return conduits (9) is provided with pressure sensor (10); Nitrogen closing circulating system is provided with nitrogen device (12) processed; At the upper nitrogen gas concn detector (14) arranged of nitrogen storage gas tank (13);
Second step: adopt nitrogen closing to inhale and send formula pneumatic conveying process to carry out lead powder conveying, lead powder device for discharging (3), lead powder transmitter (4), delivery duct (5), gas-solid separating device (6) and ultrafiltration device (7) are set under lead powder storage warehouse (1), adopt and lead powder is sent in the lead powder storehouse (8) of each production station under nitrogen protection state;
3rd step: lead powder conveying is adopted to nitrogen protection and carries out close cycle utilization to nitrogen; the nitrogen of protection lead powder conveying is recycled through gas-solid separating device (6), ultrafiltration device (7), nitrogen return conduits (9), vacuum pump apparatus (11) and nitrogen storage gas tank (13) again to be carried for lead powder; according to upper nitrogen gas concn detector (14) determination data arranged of nitrogen storage gas tank (13) in closed cycle system, the nitrogen device (12) processed configured in employing system at any time supplements nitrogen in closed cycle system.
2. nitrogen closing according to claim 1 is inhaled and is sent formula lead powder pneumatic conveying method, it is characterized in that, is provided with the suction of a set of nitrogen closing and send formula lead powder pneumatic conveying method to carry for lead powder under lead powder storage warehouse (1).
3. nitrogen closing according to claim 1 is inhaled and is sent formula lead powder pneumatic conveying method, it is characterized in that, the nitrogen closing for the protection of lead powder conveying recycles.
4. nitrogen closing according to claim 1 is inhaled and is sent formula lead powder pneumatic conveying method; it is characterized in that; in the nitrogen closing recycling system carried for the protection of lead powder; be configured with nitrogen device (12) processed; the nitrogen gas concn that can use according to close cycle; carry out automatic nitrogen to supplement, guarantee that nitrogen gas concn meets technological requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410556257.5A CN104401738A (en) | 2014-10-20 | 2014-10-20 | Nitrogen closed suction type pneumatic conveying method for lead powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410556257.5A CN104401738A (en) | 2014-10-20 | 2014-10-20 | Nitrogen closed suction type pneumatic conveying method for lead powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104401738A true CN104401738A (en) | 2015-03-11 |
Family
ID=52639429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410556257.5A Pending CN104401738A (en) | 2014-10-20 | 2014-10-20 | Nitrogen closed suction type pneumatic conveying method for lead powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104401738A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116424876A (en) * | 2023-06-14 | 2023-07-14 | 河北佳诚化工有限公司 | Closed material adding device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10305923A (en) * | 1997-05-02 | 1998-11-17 | Kawasaki Heavy Ind Ltd | Transport device for powder and granular material |
| CN1386688A (en) * | 2002-06-26 | 2002-12-25 | 浙江大学 | Pulse delivering and nitrogen gas recovering apparatus for terephthalic acid powder |
| JP4605751B2 (en) * | 2004-01-30 | 2011-01-05 | 株式会社 ワイ・エム・エス | High concentration suction pneumatic transport method and apparatus |
| CN201729513U (en) * | 2010-06-25 | 2011-02-02 | 厦门龙净环保物料输送科技有限公司 | Pure terephthalic acid (PTA) long-distance conveying device |
| CN203112139U (en) * | 2012-12-28 | 2013-08-07 | 南京金杉汽车工程塑料有限责任公司 | Pneumatic conveying system |
| CN203672164U (en) * | 2014-01-21 | 2014-06-25 | 新疆中泰矿冶有限公司 | Purified ash returning combustion system of calcium carbide furnace |
-
2014
- 2014-10-20 CN CN201410556257.5A patent/CN104401738A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10305923A (en) * | 1997-05-02 | 1998-11-17 | Kawasaki Heavy Ind Ltd | Transport device for powder and granular material |
| CN1386688A (en) * | 2002-06-26 | 2002-12-25 | 浙江大学 | Pulse delivering and nitrogen gas recovering apparatus for terephthalic acid powder |
| JP4605751B2 (en) * | 2004-01-30 | 2011-01-05 | 株式会社 ワイ・エム・エス | High concentration suction pneumatic transport method and apparatus |
| CN201729513U (en) * | 2010-06-25 | 2011-02-02 | 厦门龙净环保物料输送科技有限公司 | Pure terephthalic acid (PTA) long-distance conveying device |
| CN203112139U (en) * | 2012-12-28 | 2013-08-07 | 南京金杉汽车工程塑料有限责任公司 | Pneumatic conveying system |
| CN203672164U (en) * | 2014-01-21 | 2014-06-25 | 新疆中泰矿冶有限公司 | Purified ash returning combustion system of calcium carbide furnace |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116424876A (en) * | 2023-06-14 | 2023-07-14 | 河北佳诚化工有限公司 | Closed material adding device |
| CN116424876B (en) * | 2023-06-14 | 2023-08-18 | 河北佳诚化工有限公司 | Closed material adding device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104401736A (en) | Lead powder and nitrogen gas closed-cycle static-pressure dense-phase sectional boosting pneumatic conveying system | |
| CN104444377A (en) | Nitrogen closed-cycle static pressure dense-phase segmented boosting pneumatic conveying method for lead powder | |
| CN104401737A (en) | Nitrogen closed suction type pneumatic conveying system for lead powder | |
| CN207536156U (en) | A kind of novel whole lines conveying equipment | |
| CN104401738A (en) | Nitrogen closed suction type pneumatic conveying method for lead powder | |
| CN204479091U (en) | X ray battery on-line measuring device | |
| CN204549322U (en) | A kind of raw materials for cement feedway | |
| CN203359952U (en) | Automatic resin filling system | |
| CN204056462U (en) | Lead battery package insert automatic release device | |
| CN105303329B (en) | A kind of equipment health state evaluation method based on monitoring information | |
| CN103538737A (en) | Traditional Chinese medicine pellet inner-and-outer package automation production line | |
| CN203567953U (en) | Traditional Chinese medicine pellet internal packaging and external packaging automatic production line | |
| CN105470600B (en) | A kind of recoverying and utilizing method for remaining lithium battery slurry | |
| CN201694610U (en) | Dustproof conveyor | |
| CN204428348U (en) | Car is sent under electrodynamic type aseptic material | |
| CN205708867U (en) | A kind of gas force transmission system | |
| CN204937590U (en) | A kind of nitrogen filled protection equipment | |
| CN204710805U (en) | Negative-pressure pipeline cleaning plant | |
| CN204309153U (en) | A kind of PVC send mixing system automatically | |
| CN203273297U (en) | Safe chloroethylene conveying system | |
| CN203753839U (en) | Automatic conveying system | |
| CN104828544A (en) | Security inspection machine with article push-out mechanism | |
| CN205060949U (en) | Pneumatic conveyor of powder | |
| CN205525062U (en) | Preparation hyaluronic acid's process systems | |
| CN204937998U (en) | A kind of BHZ feed bin safety and environmental protection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150311 |