CN104401736A - Lead powder and nitrogen gas closed-cycle static-pressure dense-phase sectional boosting pneumatic conveying system - Google Patents

Lead powder and nitrogen gas closed-cycle static-pressure dense-phase sectional boosting pneumatic conveying system Download PDF

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Publication number
CN104401736A
CN104401736A CN201410556464.0A CN201410556464A CN104401736A CN 104401736 A CN104401736 A CN 104401736A CN 201410556464 A CN201410556464 A CN 201410556464A CN 104401736 A CN104401736 A CN 104401736A
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CN
China
Prior art keywords
lead powder
nitrogen
nitrogen gas
conveying
transport
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CN201410556464.0A
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Chinese (zh)
Inventor
李庆春
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无锡红旗除尘设备有限公司
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Priority to CN201410556464.0A priority Critical patent/CN104401736A/en
Publication of CN104401736A publication Critical patent/CN104401736A/en

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Abstract

The invention discloses a lead powder and nitrogen gas closed-cycle static-pressure dense-phase sectional boosting pneumatic conveying system. The system comprises a lead powder storage bin (1), a lead powder discharging device (3), a pneumatic feed valve (4), a transmitting bin pump (6), a lead powder conveying main gas source valve group (7), a discharge fluidization device (8), a bin pump discharge port boosting device (9), a pneumatic discharge valve (10), a dust conveying pipeline internal pressure sensor (11), a sectional external booster (12) with a pressure sensor, a dust conveying pipeline (13), a gas-solid separation device (14), an ultrafiltration device (15), a lead powder bin (16), a nitrogen gas return pipeline (17), a nitrogen gas storage tank II (19), a nitrogen gas recycling compression system device (21), a high-pressure nitrogen gas pipeline (23), a nitrogen gas storage tank I (24) and a system control device (25) which are sequentially connected. According to the system, the equipment quantity and the equipment maintenance load can be reduced, and the occupational risks of lead powder conveying in a lead-acid storage battery production process can be effectively eliminated or reduced.

Description

A kind of lead powder nitrogen closing circulation static pressure concentrated phase segmentation assisted air-transport system

Technical field

The present invention relates to field of Environment Protection, more particularly, relate to a kind of lead powder nitrogen closing circulation static pressure concentrated phase segmentation assisted air-transport system.

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 lead powder nitrogen closing circulation static pressure concentrated phase segmentation assisted air-transport system.

The technical solution adopted for the present invention to solve the technical problems is: construct a kind of lead powder nitrogen closing circulation static pressure concentrated phase segmentation assisted air-transport system, comprise the lead powder storage warehouse connected successively, lead powder device for discharging, air-actuated feeding valve, sending warehouse pump, lead powder conveying gas source valve group, discharging fluidizer, storehouse pump discharging opening boost installation, pneumatic bleeder valve, ash conveying pipe pressure sensor, with the segmentation external booster of pressure sensor, ash conveying pipe, gas-solid separating device, ultrafiltration device, lead powder storehouse, nitrogen return conduits, nitrogen storage gas tank II, nitrogen reuse circulation compression system device, high pressure nitrogen pipeline, nitrogen storage gas tank I and system control device, lead powder storage warehouse is provided with level-sensing device, sending warehouse pump is provided with pneumatic blow off valve, nitrogen device processed is provided with in nitrogen recycling circulating system, nitrogen storage gas tank I and nitrogen storage gas tank II are provided with pressure sensor, nitrogen storage gas tank II is provided with nitrogen gas concn detector.

A kind of lead powder nitrogen closing circulation static pressure concentrated phase segmentation assisted air-transport system of the present invention, under lead powder storage warehouse, be provided with a set of lead powder static pressure concentrated phase segmentation assisted air-transport system, adopt static pressure concentrated phase segmentation assisted pneumatic conveying process to carry out lead powder conveying; Aforementioned lead powder static pressure concentrated phase segmentation assisted air-transport system comprises lead powder device for discharging, sending warehouse pump and is equipped with the ash conveying pipe of segmentation assisted device, adopts Nitrogen source gases to be sent to by lead powder in each production station lead powder storehouse.

A kind of lead powder nitrogen closing circulation static pressure concentrated phase segmentation assisted air-transport system of the present invention, in lead powder conveying with in nitrogen closing recycling system, 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.

A kind of lead powder nitrogen closing circulation static pressure concentrated phase segmentation assisted air-transport system of the present invention, ash conveying pipe is provided with the segmentation external booster with pressure sensor, guarantee the stable and reliable of lead powder pneumatic ash transmitting system, simultaneously also more energy-conservation.

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 nitrogen closing of the present invention recycle, eliminate or reduces lead powder in lead-acid storage battery production process and carries the occupational hazard caused.

3, the present invention adopts static pressure concentrated phase conveying processes, on ash conveying pipe, arranges the measures such as segmentation external booster, effectively can guarantee lead powder air-transport system reliability of operation and stability, also effectively can reduce energy consumption simultaneously.

Accompanying drawing explanation

Fig. 1 is a kind of lead powder nitrogen closing of the present invention circulation static pressure concentrated phase segmentation assisted air-transport system schematic diagram.

In figure: 1, lead powder storage warehouse 2, level-sensing device 3, lead powder device for discharging 4, air-actuated feeding valve 5, pneumatic blow off valve 6, sending warehouse pump 7, lead powder conveying gas source valve group 8, discharging fluidizer 9, storehouse pump discharging opening boost installation 10, pneumatic bleeder valve 11, ash conveying pipe pressure sensor 12, with the segmentation external booster 13 of pressure sensor, ash conveying pipe 14, gas-solid separating device 15, ultrafiltration device 16, lead powder storehouse 17, nitrogen return conduits 18, pressure sensor 19, nitrogen storage gas tank II 20, nitrogen gas concn detector 21, nitrogen reuse circulation compression system device 22, nitrogen device 23 processed, high pressure nitrogen pipeline 24, nitrogen storage gas tank I 25, 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.

As shown in Figure 1, a kind of lead powder nitrogen closing circulation static pressure concentrated phase segmentation assisted air-transport system, comprise the lead powder storage warehouse 1 connected successively, lead powder device for discharging 3, air-actuated feeding valve 4, sending warehouse pump 6, lead powder conveying gas source valve group 7, discharging fluidizer 8, storehouse pump discharging opening boost installation 9, pneumatic bleeder valve 10, ash conveying pipe pressure sensor 11, with the segmentation external booster 12 of pressure sensor, ash conveying pipe 13, gas-solid separating device 14, ultrafiltration device 15, lead powder storehouse 16, nitrogen return conduits 17, nitrogen storage gas tank II 19, nitrogen reuse circulation compression system device 21, high pressure nitrogen pipeline 23, nitrogen storage gas tank I 24 and system control device 25, lead powder storage warehouse 1 is provided with level-sensing device 2, sending warehouse pump 6 is provided with pneumatic blow off valve 5, nitrogen device 22 processed is provided with in nitrogen recycling circulating system, nitrogen storage gas tank I 24 and nitrogen storage gas tank II 19 are provided with pressure sensor 18, nitrogen storage gas tank II 19 is provided with nitrogen gas concn detector 20.Ash conveying pipe 13 is provided with the segmentation external booster 12 with pressure sensor, guarantees the stable and reliable of lead powder pneumatic ash transmitting system, simultaneously also more energy-conservation.

Lead powder storage warehouse is provided with a set of lead powder static pressure concentrated phase segmentation assisted air-transport system for 1 time, adopts static pressure concentrated phase segmentation assisted pneumatic conveying process to carry out lead powder conveying; Aforementioned lead powder static pressure concentrated phase segmentation assisted air-transport system comprises lead powder device for discharging 3, sending warehouse pump 6 and is equipped with the ash conveying pipe 13 of segmentation assisted device, adopts Nitrogen source gases to be sent to by lead powder in each production station lead powder storehouse 16.In lead powder conveying with in nitrogen closing recycling system, be configured with nitrogen device 22 processed, the nitrogen gas concn that can use according to close cycle, carry out automatic nitrogen and supplement, guarantee that nitrogen gas concn meets technological requirement, described conveying Nitrogen source gases pressure >=0.6MPa.

Close cycle utilization is carried out to lead powder Geldart-D particle Nitrogen source gases used: conveying lead powder nitrogen is recycled through gas-solid separating device (14), ultrafiltration device (15), nitrogen return conduits (17), nitrogen storage tank II (19), nitrogen reuse circulation compression system device (21) and nitrogen storage tank I (24) again to be carried for lead powder.According to nitrogen gas concn detector (20) determination data arranged in closed cycle system, the nitrogen device (20) processed configured in employing system at any time supplements nitrogen in nitrogen closing circulating system, guarantees that lead powder supplying nitrogen concentration 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. a lead powder nitrogen closing circulation static pressure concentrated phase segmentation assisted air-transport system, it is characterized in that, comprise the lead powder storage warehouse (1) connected successively, lead powder device for discharging (3), air-actuated feeding valve (4), sending warehouse pump (6), lead powder conveying gas source valve group (7), discharging fluidizer (8), storehouse pump discharging opening boost installation (9), pneumatic bleeder valve (10), ash conveying pipe pressure sensor (11), with the segmentation external booster (12) of pressure sensor, ash conveying pipe (13), gas-solid separating device (14), ultrafiltration device (15), lead powder storehouse (16), nitrogen return conduits (17), nitrogen storage gas tank II (19), nitrogen reuse circulation compression system device (21), high pressure nitrogen pipeline (23), nitrogen storage gas tank I (24) and system control device (25), lead powder storage warehouse (1) is provided with level-sensing device (2), sending warehouse pump (6) is provided with pneumatic blow off valve (5), nitrogen device (22) processed is provided with in nitrogen recycling circulating system, nitrogen storage gas tank I (24) and nitrogen storage gas tank II (19) are provided with pressure sensor (18), nitrogen storage gas tank II (19) is provided with nitrogen gas concn detector (20).
2. lead powder nitrogen closing according to claim 1 is inhaled and is sent formula lead powder air-transport system, it is characterized in that, be provided with a set of lead powder static pressure concentrated phase segmentation assisted air-transport system under described lead powder storage warehouse (1), adopt static pressure concentrated phase segmentation assisted pneumatic conveying process to carry out lead powder conveying; Aforementioned lead powder static pressure concentrated phase segmentation assisted air-transport system comprises lead powder device for discharging (3), sending warehouse pump (6) and is equipped with the ash conveying pipe (13) of segmentation assisted device, adopts Nitrogen source gases to be sent to by lead powder in each production station lead powder storehouse (16).
3. lead powder nitrogen closing circulation static pressure concentrated phase segmentation assisted air-transport system according to claim 1, it is characterized in that, in lead powder conveying with in nitrogen closing recycling system, be configured with nitrogen device (22) 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.
4. lead powder nitrogen closing circulation static pressure concentrated phase segmentation assisted air-transport system according to claim 1, it is characterized in that, described ash conveying pipe (13) is provided with the segmentation external booster (12) with pressure sensor, guarantee the stable and reliable of lead powder pneumatic ash transmitting system, simultaneously also more energy-conservation.
CN201410556464.0A 2014-10-20 2014-10-20 Lead powder and nitrogen gas closed-cycle static-pressure dense-phase sectional boosting pneumatic conveying system CN104401736A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104860069A (en) * 2015-05-19 2015-08-26 山东钢铁股份有限公司 Mixed conveying type non-discharging-valve ash conveying facility
CN105731077A (en) * 2016-04-11 2016-07-06 江阴市高达输送机械科技有限公司 Pulverized coal pneumatic conveying nitrogen cyclic utilization system
CN106429452A (en) * 2016-12-21 2017-02-22 浙江智的智能装备技术有限公司 Powder adjuvant dense-phrase pneumatic conveying system
CN109081144A (en) * 2018-06-27 2018-12-25 林州市林丰铝电有限责任公司 Aluminium powder bucket mentions dnockout Conveyance tank
CN109230546A (en) * 2018-07-09 2019-01-18 中国能源建设集团广东省电力设计研究院有限公司 Pneumatic ash transmitting system

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JP2001246624A (en) * 2000-03-06 2001-09-11 Nkk Corp Method and device for drying waste plastic
CN1386688A (en) * 2002-06-26 2002-12-25 浙江大学 Pulse delivering and nitrogen gas recovering apparatus for terephthalic acid powder
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
CN203345764U (en) * 2013-07-02 2013-12-18 天能集团(河南)能源科技有限公司 Lead powder pneumatic delivery system
CN203602038U (en) * 2013-11-18 2014-05-21 新特能源股份有限公司 Positive pressure boosting type silica powder pneumatic conveyor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001246624A (en) * 2000-03-06 2001-09-11 Nkk Corp Method and device for drying waste plastic
CN1386688A (en) * 2002-06-26 2002-12-25 浙江大学 Pulse delivering and nitrogen gas recovering apparatus for terephthalic acid powder
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
CN203345764U (en) * 2013-07-02 2013-12-18 天能集团(河南)能源科技有限公司 Lead powder pneumatic delivery system
CN203602038U (en) * 2013-11-18 2014-05-21 新特能源股份有限公司 Positive pressure boosting type silica powder pneumatic conveyor

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104860069A (en) * 2015-05-19 2015-08-26 山东钢铁股份有限公司 Mixed conveying type non-discharging-valve ash conveying facility
CN105731077A (en) * 2016-04-11 2016-07-06 江阴市高达输送机械科技有限公司 Pulverized coal pneumatic conveying nitrogen cyclic utilization system
CN106429452A (en) * 2016-12-21 2017-02-22 浙江智的智能装备技术有限公司 Powder adjuvant dense-phrase pneumatic conveying system
CN109081144A (en) * 2018-06-27 2018-12-25 林州市林丰铝电有限责任公司 Aluminium powder bucket mentions dnockout Conveyance tank
CN109230546A (en) * 2018-07-09 2019-01-18 中国能源建设集团广东省电力设计研究院有限公司 Pneumatic ash transmitting system

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