CN207012721U - A kind of lead dust purifying processing device - Google Patents

A kind of lead dust purifying processing device Download PDF

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Publication number
CN207012721U
CN207012721U CN201720638698.9U CN201720638698U CN207012721U CN 207012721 U CN207012721 U CN 207012721U CN 201720638698 U CN201720638698 U CN 201720638698U CN 207012721 U CN207012721 U CN 207012721U
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CN
China
Prior art keywords
inlet
packed tower
rapids
air inlet
spray packed
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.)
Expired - Fee Related
Application number
CN201720638698.9U
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Chinese (zh)
Inventor
周世伟
徐鹏
杨亚东
张纪良
唐志峰
陈亚喜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIANGSU HAIPENG CORROSION-PROOF EQUIPMENT Co Ltd
Original Assignee
JIANGSU HAIPENG CORROSION-PROOF EQUIPMENT Co Ltd
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Filing date
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Application filed by JIANGSU HAIPENG CORROSION-PROOF EQUIPMENT Co Ltd filed Critical JIANGSU HAIPENG CORROSION-PROOF EQUIPMENT Co Ltd
Priority to CN201720638698.9U priority Critical patent/CN207012721U/en
Application granted granted Critical
Publication of CN207012721U publication Critical patent/CN207012721U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of lead dust purifying processing device, including lead dust air inlet pipe, fluosilicic acid adding tube, circular seam Venturi tube, rapids to rush formula washer, spray packed tower, air-introduced machine, water inlet pipe, circulating pump and circulating slot;Circulating pump includes first circulation pump and second circulation pump.The air inlet of circular seam Venturi tube is connected with lead dust air inlet pipe;The gas outlet of air inlet and circular seam Venturi tube that rapids rushes formula washer connects;The gas outlet that the air inlet of spray packed tower rushes formula washer with rapids is connected;The gas outlet of spray packed tower is connected with air-introduced machine.Circulating slot is arranged on the rapid lower section for rushing formula washer and spray packed tower.After device of the present utility model is first with circumferential weld Venturi dedusting, the lead dust handling process of formula washing and the absorption of spray packed tower multistage purification is rushed by rapids again, efficiency of dust collection reaches >=99%, and lead ion is only 0.2mg/m3 in the tail gas after absorption, far below discharging standards.

Description

A kind of lead dust purifying processing device
Technical field
It the utility model is related to a kind of lead dust purifying processing device.
Background technology
China largely eliminates the backward production facilities during lead is smelted in recent years, casts aside the reason for production capacity is low, technique falls behind, and also one Individual factor is exactly easy generation lead dust and lead steam, is detrimental to health.At present, more using high-efficiency dust remover purification lead powder dirt and The dust of lead vapor collection mixes with raw material, re-uses.But dry method dust or one-time investment are excessive, operation, maintenance pipe Manage complicated or the technical merit to operator requires high, while be also unable to reach discharge standard.And utilize chemical absorption method Purifying lead-bearing flue dust effect is preferable, but can produce secondary wastewater, it is necessary to add corresponding sewage treatment equipment, increases equipment investment And operating cost.Jiangsu Haipeng Anti-corrosion Equipment Co., Ltd tries to explore to integrate wet dedusting and fluorine based on corrosion protection equipment The new lead dust environment-friendly treating process of silicic acid wet cleaning, the lead dust concentration after processing are less than 0.7mg/m3, meeting country While air pollution emission standard, the waste water back to zero discharge after purification.
In " the lead-zinc smelting industry pollution prevention technique policy " collected, proposed on air contaminant treatment technology following Some is required:(1)Lead-zinc smelting flue gas should be collected, utilization and processing.Lead zinc metallurgical furnace is opened, blowing out, smelting furnace melt is put Outlet, lead refine electric lead pan, and market pot etc. has fume collection and control techniques should be taken at flue gas leakage.(2)Should strengthen it is leaded, The processing of gathering dust of the heavy metal particles thing flue gas such as zinc.Encourage the high-efficiency cloth bag using novel fabric materials such as microporous barrier composite filtering materials Deduster.(3)Process to persistently distributing harmful health gas for a long time, it is necessary to take suppression, collect and purify in a organized way Improve operating environment Deng measure.
Caused substantial amounts of lead steam and leaded dust in lead bullion fusion process, disperse in workshop and ambient air, It is detrimental to health, it is necessary to take measures, administered.At present, received more using high-efficiency dust remover purification lead powder dirt and lead steam The dust of collection mixes with raw material, re-uses.But dry method dust or one-time investment are excessive, operation, pairs of maintenance management complexity The technical merit of operator requires high, while is also unable to reach discharge standard.And utilize chemical absorption method purifying lead-bearing flue dust Effect is preferable, but can produce secondary wastewater, it is necessary to add corresponding sewage treatment equipment, increases equipment investment and operating cost.
Technique leading in dedusting of blast furnace gas --- be the very image of husband's circular seam washing device, also referred to as circumferential weld venturi at present Device.After the lead dust removing dust evaporated from molten lead fire door, 99% efficiency of dust collection can reach.In tail gas after dedusting Still can be exceeded, it is necessary to be handled by wet cleaning.It is conventional such as method of acetic acid chemical absorbing, lead acetate can be generated, for acetic acid The post processing of lead, mostly using alkali lye displacement lead Precipitation.Need to configure subsider, reactive tank, centrifuge or filter press Etc. equipment, complex operation.
Utility model content
The purpose of this utility model is to solve the above problems, there is provided a kind of lead dust purifying processing device.
Realizing the technical scheme of the utility model purpose is:A kind of lead dust purifying processing device, including lead dust air inlet pipe, fluorine Silicic acid adding tube, circular seam Venturi tube, rapids rush formula washer, spray packed tower, air-introduced machine, water inlet pipe, circulating pump and circulating slot; The circulating pump includes first circulation pump and second circulation pump.
The circular seam Venturi tube is provided with air inlet, gas outlet, inlet and liquid outlet;The circular seam Venturi tube enters Gas port is connected with the lead dust air inlet pipe;The rapids rushes formula washer and is provided with air inlet, gas outlet and inlet;The rapids The air inlet for rushing formula washer is connected with the gas outlet of the circular seam Venturi tube;The spray packed tower is provided with air inlet, gone out Gas port and inlet;The gas outlet that the air inlet of the spray packed tower rushes formula washer with rapids is connected;The spraying filler The gas outlet of tower is connected with the air-introduced machine;The inlet of the spray packed tower includes main inlet and auxiliary inlet, described The main inlet of spray packed tower is connected with the water inlet pipe.
The circulating slot is arranged on the lower section that the rapids rushes formula washer and the spray packed tower;Set on the circulating slot There are fluosilicic acid adding mouth, inlet and liquid outlet;The liquid outlet includes main liquid outlet and auxiliary liquid outlet;The circulating slot Fluosilicic acid adding mouth is connected with the fluosilicic acid adding tube;The auxiliary liquid outlet of the circulating slot passes through the first circulation pump and institute State the auxiliary inlet connection of spray packed tower;The main liquid outlet of the circulating slot then by the second circulation pump respectively with it is described The inlet of circular seam Venturi tube and the rapids rush the inlet connection of formula washer;The inlet of the circulating slot then with it is described The liquid outlet connection of circular seam Venturi tube.
In order to further improve clean-up effect, the rapids rushes the air inlet of formula washer and the outlet of the circular seam Venturi tube Mouth is connected by connecting tube;The bottom of the connecting tube is provided with inlet, the inlet by the second circulation pump with it is described The main liquid outlet connection of circulating slot.
The utility model has positive effect:Lead dust purifying processing device of the present utility model is first with circumferential weld venturi After device dedusting, then formula is rushed by rapids and washs the lead dust handling process absorbed with spray packed tower multistage purification, efficiency of dust collection reaches To >=99%, lead ion is only 0.2mg/m3 in the tail gas after absorption, far below discharging standards.
Brief description of the drawings
Fig. 1 is the structural representation of lead dust purifying processing device of the present utility model.
Embodiment
Referring to Fig. 1, lead dust purifying processing device of the present utility model includes lead dust air inlet pipe 1, fluosilicic acid adding tube 2, ring Seam Venturi tube 3, rapids rush formula washer 4, spray packed tower 5, air-introduced machine 6, water inlet pipe 7, circulating pump and circulating slot 9;Circulating pump Including first circulation pump 81 and second circulation pump 82.
Circular seam Venturi tube 3 is provided with air inlet 3-1, gas outlet 3-2, inlet 3-3 and liquid outlet 3-4;Circumferential weld Wen The air inlet 3-1 of pipe 3 is connected with lead dust air inlet pipe 1.
Rapids rushes formula washer 4 and is provided with air inlet 4-1, gas outlet 4-2 and inlet 4-3;Rapids rushes entering for formula washer 4 Gas port 4-1 is connected with the gas outlet 3-2 of circular seam Venturi tube 3.
Spray packed tower 5 is provided with air inlet 5-1, gas outlet 5-2 and inlet;The air inlet 5-1 of spray packed tower 5 The gas outlet 4-2 that formula washer 4 is rushed with rapids is connected;The gas outlet 5-2 of spray packed tower 5 is connected with air-introduced machine 6;Spray packed tower 5 inlet includes main inlet 5-3-1 and auxiliary inlet 5-3-2, main inlet 5-3-1 and the water inlet pipe 7 of spray packed tower 5 Connection.
Circulating slot 9 is arranged on the rapid lower section for rushing formula washer 4 and spray packed tower 5;Circulating slot 9 adds provided with fluosilicic acid Mouth 9-1, inlet 9-2 and liquid outlet;Liquid outlet includes main liquid outlet 9-3-1 and auxiliary liquid outlet 9-3-2;The fluorine of circulating slot 9 Silicic acid adding mouth 9-1 is connected with fluosilicic acid adding tube 2.The auxiliary liquid outlet 9-3-2 of circulating slot 9 passes through first circulation pump 81 and spray The auxiliary inlet 5-3-2 connections of packed tower 5.The main liquid outlet 9-3-1 of circulating slot 9 then by second circulation pump 82 respectively with circumferential weld The inlet 3-3 of Venturi tube 3 and the rapid inlet 4-3 connections for rushing formula washer 4;The inlet 9-2 of circulating slot 9 then with circumferential weld The liquid outlet 3-4 connections of Venturi tube 3.
Rapids rushes the air inlet 4-1 of formula washer 4 and is connected with the gas outlet 3-2 of circular seam Venturi tube 3 by connecting tube 10;Connection The bottom of pipe 10 is provided with inlet 10-1, and inlet 10-1 passes through second circulation pump 82 and the main liquid outlet 9-3-1 of circulating slot 9 Connection.
The technical process of lead dust purifying processing device of the present utility model is as follows:Start air-introduced machine 6, make lead dust successively from lead Dirt air inlet pipe 1 enters circular seam Venturi tube 3, connecting tube 10, rapids and rushes formula washer 4, spray packed tower 5, most afterwards through the row of air-introduced machine 6 Go out.Meanwhile start circulating pump 81,82, water is entered spray packed tower 5 from water inlet pipe 7, to the lead dust by spray packed tower 5 Spray-absorption is carried out, the liquid after spray-absorption is then dropped down onto down in the circulating slot 9 of the bottom of spray packed tower 5;In first circulation pump Under 81 work, the partially liq in circulating slot 9 is entered spray packed tower 5 from the auxiliary inlet of spray packed tower 5, continue pair Spray-absorption is carried out by the lead dust in spray packed tower 5;Under the work of second circulation pump 82, make the part in circulating slot 9 Liquid respectively enters circular seam Venturi tube 3, rapids rushes formula washer 4 and connecting tube 10 in, respectively to by circular seam Venturi tube 3, rapid The lead dust rushed in formula washer 4 and connecting tube 10 carries out spray washing.Meanwhile added from fluosilicic acid adding tube 2 into circulating slot 9 Add fluosilicic acid.
Efficiency of dust collection of the present utility model reaches >=99%, and lead ion is only 0.2mg/m3 in the tail gas after absorption, is far below Discharging standards.

Claims (2)

  1. A kind of 1. lead dust purifying processing device, it is characterised in that:Including lead dust air inlet pipe(1), fluosilicic acid adding tube(2), circumferential weld Venturi tube(3), rapids rush formula washer(4), spray packed tower(5), air-introduced machine(6), water inlet pipe(7), circulating pump and circulating slot (9);The circulating pump includes first circulation pump(81)With second circulation pump(82);
    The circular seam Venturi tube(3)It is provided with air inlet, gas outlet, inlet and liquid outlet;The circular seam Venturi tube(3)'s Air inlet and the lead dust air inlet pipe(1)Connection;
    The rapids rushes formula washer(4)It is provided with air inlet, gas outlet and inlet;The rapids rushes formula washer(4)Enter Gas port and the circular seam Venturi tube(3)Gas outlet connection;
    The spray packed tower(5)It is provided with air inlet, gas outlet and inlet;The spray packed tower(5)Air inlet Formula washer is rushed with rapids(4)Gas outlet connection;The spray packed tower(5)Gas outlet and the air-introduced machine(6)Connection;Institute State spray packed tower(5)Inlet include main inlet and auxiliary inlet, the spray packed tower(5)Main inlet and institute State water inlet pipe(7)Connection;
    The circulating slot(9)It is arranged on the rapids and rushes formula washer(4)With the spray packed tower(5)Lower section;The circulation Groove(9)It is provided with fluosilicic acid adding mouth, inlet and liquid outlet;The liquid outlet includes main liquid outlet and auxiliary liquid outlet;Institute State circulating slot(9)Fluosilicic acid adding mouth and the fluosilicic acid adding tube(2)Connection;The circulating slot(9)Auxiliary liquid outlet lead to Cross the first circulation pump(81)With the spray packed tower(5)Auxiliary inlet connection;The circulating slot(9)Main liquid outlet Then pass through the second circulation pump(82)Respectively with the circular seam Venturi tube(3)Inlet and the rapids rush formula washer (4)Inlet connection;The circulating slot(9)Inlet then with the circular seam Venturi tube(3)Liquid outlet connection.
  2. 2. lead dust purifying processing device according to claim 1, it is characterised in that:The rapids rushes formula washer(4)Enter Gas port and the circular seam Venturi tube(3)Gas outlet pass through connecting tube(10)Connection;The connecting tube(10)Bottom be provided with into Liquid mouth, the inlet pass through the second circulation pump(82)With the circulating slot(9)Main liquid outlet connection.
CN201720638698.9U 2017-06-02 2017-06-02 A kind of lead dust purifying processing device Expired - Fee Related CN207012721U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720638698.9U CN207012721U (en) 2017-06-02 2017-06-02 A kind of lead dust purifying processing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720638698.9U CN207012721U (en) 2017-06-02 2017-06-02 A kind of lead dust purifying processing device

Publications (1)

Publication Number Publication Date
CN207012721U true CN207012721U (en) 2018-02-16

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720638698.9U Expired - Fee Related CN207012721U (en) 2017-06-02 2017-06-02 A kind of lead dust purifying processing device

Country Status (1)

Country Link
CN (1) CN207012721U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107174888A (en) * 2017-06-02 2017-09-19 江苏海鹏防腐设备有限公司 Lead dust purifying processing device and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107174888A (en) * 2017-06-02 2017-09-19 江苏海鹏防腐设备有限公司 Lead dust purifying processing device and method

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20180216

Termination date: 20200602