CN206229193U - A kind of flue gas filter system during copper rod machining - Google Patents

Abstract

The utility model discloses flue gas filter system during a kind of copper rod machining, including absorption tower and circulating water mechanism, absorption tower is connected by blast pipe with chimney, described circulating water mechanism includes water inlet pipe, clarifier-tank and tank, water inlet pipe is used for the aqueous solution is sprayed in absorption tower, and the backflow aqueous solution is standby by flowing into tank after clarifier-tank filtering；Blast pipe is laid on clarifier-tank top, the heat in blast pipe can raise aqueous temperature in clarifier-tank, promote the carrying out reacted in recirculated water.The utility model improves the purification efficiency and degree of purification of the aqueous solution in clarifier-tank, more effectively can carry out filtration, purification to flue gas.

Description

A kind of flue gas filter system during copper rod machining

Technical field

The utility model is related to flue gases purification field, flue gas mistake during more specifically to a kind of copper rod machining Filter system.

Background technology

When copper rod machining is carried out using copper scrap, it is necessary process that copper scrap is smelted, in the smelting process of copper, smelting system Bessemerized using flash smelting, PS, anode furnace refinery practice.To overflow SO in reduction smelting process₂Shadow of the flue gas to environment Ring, be provided with ugitive gas collection system, higher concentration SO₂Flue gas is discharged after dynamic wave desulphurization system desulfurization, low concentration SO₂Flue gas Directly enter chimney high altitude discharge, increasingly strict with environmental requirement, the flue gas of the direct discharge of reason high-altitude chimney can not reach Mark discharge, it is necessary to carry out desulfurization process.The flue gas of generation has following characteristics, and exhaust gas volumn is big, SO₂Fluctuation of concentration is larger, in flue gas Contain a certain amount of smelting smoke dust.The active burnt method of sulfur method, ammonia process, new catalytic method, magnesium processes, sodium method etc. are commonly used at present, These methods are mostly to make the SO in flue gas by chemical reaction₂Removed by absorbing, recirculated water is by after clarifier-tank reaction precipitation Recycling.For chemical reaction, reaction temperature, reaction time and contact area be influence reaction efficiency amount it is big because Element, therefore, how to solve the problems, such as that above-mentioned factor is brought on the basis of existing technology is the key for improving clean-up effect.

By retrieval, Chinese Patent Application No.：201410569694.0, the applying date：On October 23rd, 2014, innovation and creation It is entitled：A kind of flue gas desulfurization device, can not very well process the larger sulfur-containing smoke gas of flue gas fluctuation and ask for current sulfur method Topic, there is provided it is a kind of it is higher adapt to flue gas fluctuating nature and can effective desulfurization device.The flue gas desulfurization device is by sulfuric acid tail gas Absorption tower, smoke absorption tower, dosing part, separate section composition, the sulfuric acid tail gas absorption tower external clean solution tank of bottom liquid outlet, Clean solution tank outlet pipeline reactor, reactor inlet is provided with chemicals dosing plant, and pipeline reactor exports the power of external series connection Reactor and solid-liquid separator, the external filtering equipment of solid-liquid separator solid outlet, the external flue gas of solid-liquid separator liquid outlet The spray pump intake on absorption tower, the attached spray pump discharge of smoke absorption tower spray also attached with sulfuric acid tail gas absorption tower is pumped into Mouth is connected, and smoke absorption tower connects the clean solution tank.The program is related to whole cleaning system, and main purpose is to can adapt to cigarette The fluctuation of gas, and do not have clear and definite scheme for how to improve efficiency.

Chinese Patent Application No.：201410438807.3, the applying date：On August 31st, 2014, a kind of sulfuric acid tail gas desulfurization dress Put, including absorption tower, spray equipment, the spray equipment is made up of circulating pump, measuring pump, hydrogen peroxide storage tank and spray thrower, will Peroxide passivation and activated carbon method are combined, and sulfuric acid tail gas are sulfuric acid first by hydrogen peroxide oxidation, and the sulfuric acid of generation enters collecting tank, Through the tail gas after dioxygen water process by charcoal absorption reservoir, activated carbon carries out physical absorption and chemisorbed to tail gas, should Sulfuric acid tail gas desulfurizer provides a kind of simple structure, safe and reliable, operation easily sulfuric acid tail gas administering method.The device Although sulfuric acid can preferably be gone, for the SO that Copper making is produced₂It is difficult to reach preferable effect, needs further to be changed Enter.

Utility model content

1. the utility model technical problem to be solved

The purpose of this utility model is to overcome the shortcomings of that smoke filtration purification efficiency is low in the prior art, there is provided a kind of Flue gas filter system during copper rod machining, the technical solution of the utility model improves the purification efficiency of the aqueous solution in clarifier-tank And degree of purification, filtration, purification more effectively can be carried out to flue gas.

2. technical scheme

To reach above-mentioned purpose, the technical scheme that the utility model is provided is：

Flue gas filter system during a kind of copper rod machining of the present utility model, including absorption tower and circulating water mechanism, absorb Tower is connected by blast pipe with chimney, and described circulating water mechanism includes water inlet pipe, clarifier-tank and tank, water inlet pipe be used for The aqueous solution is sprayed in absorption tower, the backflow aqueous solution is standby by flowing into tank after clarifier-tank filtering；The blast pipe is laid on Clarifier-tank lower section.

Further improved as the utility model, the clarifier-tank at least two, and in blast pipe and clarifier-tank Between fill Heat Conduction Material.

Further improved as the utility model, air-introduced machine is provided between blast pipe and exhaust chimney, be used for It is vented when smelting charging.

Further improved as the utility model, stage casing is provided with packing layer, the water inlet pipe inside absorption tower Including the first water inlet pipe and the second water inlet pipe, the first water inlet pipe leads to three branch roads, the single track in each branch road and absorption tower Shower is connected, and second water inlet pipe is connected with two circular spray tubes, between the circular spray tube and single track shower Every setting.

Further improved as the utility model, 1~5 shower nozzle, shower nozzle are provided with described single track shower On same straight tube.

Further improved as the utility model, the circular spray tube is circumferentially distributed along absorption tower, sprayed in annular 3~9 shower nozzles are provided with shower pipe.

Further improved as the utility model, described packing layer includes the first packing layer and the second packing layer, Single track shower or circular spray tube are provided between the first packing layer and the second packing layer.

Further improved as the utility model, absorb tower bottom and be provided with drainpipe, the drainpipe and filter water Circulating line is connected.

3. beneficial effect

The technical scheme provided using the utility model, compared with prior art, is had the advantages that：

(1) blast pipe, is laid on clarifier-tank top by flue gas filter system during a kind of copper rod machining of the present utility model, Heat in blast pipe can raise aqueous temperature in clarifier-tank, promote the carrying out reacted in recirculated water, so as to improve The purification efficiency and degree of purification of the aqueous solution in clarifier-tank, more effectively can carry out filtration, purification to flue gas.

(2) flue gas filter system during a kind of copper rod machining of the present utility model, on absorption tower, middle section position sets filler Layer, and shower is respectively provided with packing layer both sides, circular spray tube is combined with single track shower, into laddering to air cleaning Desulfurization, reaction time extension, the aqueous solution can be contacted more effectively with flue gas, substantially increase the purification efficiency of flue gas.

(3) packing layer, is divided into two-layer by flue gas filter system during a kind of copper rod machining of the present utility model, contributes to cigarette The further dispersion of gas；Shower is installed in the middle part of packing layer, by increasing capacitance it is possible to increase flue gas wettability realizes reactive multilayer, structure design Rationally, principle is simple, is easy to promote the use of.

Brief description of the drawings

Fig. 1 is this with new filtration system structural representation.

Label declaration in schematic diagram：11st, absorption tower；12nd, discharging opening；13rd, the first packing layer；14th, the second packing layer； 15th, charging aperture；16th, blast pipe；17th, air-introduced machine；21st, the first water inlet pipe；22nd, the second water inlet pipe；23rd, circular spray tube；24th, it is single Road shower；3rd, air inlet pipe；41st, drainpipe；42nd, clarifier-tank；43rd, tank；44th, supply-water pump.

Specific embodiment

To further appreciate that content of the present utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments.

Embodiment 1

With reference to Fig. 1, flue gas filter system during a kind of copper rod machining of the present embodiment, including absorption tower 11 and circulation water dispenser Structure, the circulating water mechanism of the present embodiment includes water inlet pipe 41, clarifier-tank 42 and tank 43, and water inlet pipe is used in absorption tower 11 The spray aqueous solution, by flowing into tank 43 after the filtering of clarifier-tank 42, tank 43 is connected with supply-water pump 44 to the backflow aqueous solution, supplies The other end of water pump 44 is connected by water inlet pipe 41 with absorption tower 11, realizes recycling for the aqueous solution.

Absorption tower 11 is connected by blast pipe 16 with chimney, and blast pipe 16 is laid on the lower section of clarifier-tank 42, and in blast pipe Heat Conduction Material is filled between 16 and clarifier-tank 42, for being heated for clarifier-tank 42.Clarifier-tank 42 is placed with 3 along same rectilinear direction Individual, multiple ponds can be realized purifying step by step, and effect is more preferable；It is linear to be placed with beneficial to the trend for coordinating gas-distribution pipe.

Packing layer is internally provided with absorption tower 11, has alkaline matter and granular absorption material in packing layer, for adsorbing Micronic dust and sour gas in flue gas.Packing layer is located at the middle section position of absorption tower 11, and the hypomere of absorption tower 11 and top are spray Region.

The blast pipe 16 at the top of absorption tower 11 is communicated with exhaust chimney, for the flue gas after purification to be discharged.In charging, Not yet there are enough smoke powers to realize from circulation, therefore, air-introduced machine 17 is provided between blast pipe 16 and exhaust chimney, use It is vented when charging is smelted.

When using, flue gas enters from the air inlet pipe 3 for absorbing tower bottom, the flue gas exhaust pipe discharge after purification, blast pipe 16 are laid on the top of clarifier-tank 42, and the heat in blast pipe 16 can raise aqueous temperature in clarifier-tank, promote recirculated water The carrying out of middle reaction, so as to improve the purification efficiency and degree of purification of the aqueous solution in clarifier-tank, can be more effectively right Flue gas carries out filtration, purification.

Embodiment 2

Flue gas filter system during a kind of copper rod machining of the present embodiment, its basic structure is same as Example 1, more enters one Step ground：Water inlet pipe includes the first water inlet pipe 21 and the second water inlet pipe 22, and the first water inlet pipe 21 leads to three branch roads, each branch road It is connected with the single track shower 24 in absorption tower 11, is sprayed for the flue gas to the medium position of absorption tower 11.It is therein Single track shower 24 is a straight pipeline, and shower nozzle is set above.The single track shower 24 that three branch roads are connected is along absorption tower 11 length directions are spaced apart, and are respectively at the upper, middle and lower position on absorption tower 11, spray the aqueous solution can either wet air, Acidic materials can be absorbed again.

Second water inlet pipe 22 is connected with two circular spray tubes 23, and circular spray tube 23 sets with the interval of single track shower 24 Put.The circular spray tube 23 is circumferentially distributed along absorption tower 11, and uniform intervals are provided with 8 shower nozzles on circular spray tube 23.

The Main Function of circular spray tube 23 is internally sprayed water from the periphery of absorption tower 11, can cover the periphery of absorption tower 11 The flue gas in region.And single track shower 24 mainly carries out spray operation from middle part, mainly middle part flue gas is sprayed, used Circular spray tube 23 and the interval setting of single track shower 24, on the one hand can cover the interior zone on whole absorption tower, the opposing party Face can promote the air to have bigger mobility, the aqueous solution is fully contacted with flue gas.

By entering packing layer after bottom spray, spray cleaning then is being carried out into top area, repeatedly spray increases Air humidity, extends the reaction time；And packing layer is arranged on middle part, flue gas can be made to have sufficiently disturbance in bottom, It is uniformly distributed in tower, can be fully contacted with the aqueous solution；And the dust particale in flue gas can be effectively removed, improve Purification efficiency, reduces the pollution to air ambient.

Embodiment 3

Flue gas filter system during a kind of copper rod machining of the present embodiment, its basic structure is same as Example 2, more enters one Step ground：1~5 shower nozzle is provided with single track shower 24 in the present embodiment, preferably 3,3 shower nozzles are located at same straight tube On.Circular spray tube 23 is first-class to be arranged at intervals with 5 shower nozzles.

Embodiment 4

Flue gas filter system during a kind of copper rod machining of the present embodiment, its basic structure is same as Example 3, more enters one Step ground：Packing layer includes the first packing layer 13 and the second packing layer 14, is set between the first packing layer 13 and the second packing layer 14 It is equipped with single track shower 24.Packing layer is divided into two-layer, contributes to the further dispersion of flue gas；Spray is installed in the middle part of packing layer Pipe, by increasing capacitance it is possible to increase flue gas wettability realizes reactive multilayer.

Schematically the utility model and embodiments thereof are described above, the description does not have restricted, accompanying drawing Shown in be also one of implementation method of the present utility model, actual structure is not limited thereto.So, if this area Those of ordinary skill enlightened by it, do not departing from the case that the utility model creates objective, designed without creative The frame mode similar to the technical scheme and embodiment, all should belong to protection domain of the present utility model.

Claims (7)

1. flue gas filter system during a kind of copper rod machining, including absorption tower (11) and circulating water mechanism, absorption tower (11) pass through Blast pipe (16) is connected with chimney, it is characterised in that：Described circulating water mechanism includes water inlet pipe (41), clarifier-tank (42) and storage Pond (43), water inlet pipe is used for the spray aqueous solution in absorption tower (11), and the backflow aqueous solution flows by after clarifier-tank (42) filtering Enter tank (43) standby；The blast pipe (16) is laid on clarifier-tank (42) lower section.

2. flue gas filter system during a kind of copper rod machining according to claim 1, it is characterised in that：The clarifier-tank (42) at least two, and fill Heat Conduction Material between blast pipe (16) and clarifier-tank (42).

3. flue gas filter system during a kind of copper rod machining according to claim 1, it is characterised in that：In blast pipe (16) Air-introduced machine (17) is provided between exhaust chimney, be vented during charging for being smelted.

4. flue gas filter system during a kind of copper rod machining according to any one of claims 1 to 3, it is characterised in that： Absorption tower (11) internal stage casing is provided with packing layer, the water inlet pipe includes the first water inlet pipe (21) and the second water inlet pipe (22), the first water inlet pipe (21) leads to three branch roads, and each branch road is connected with the single track shower (24) in absorption tower (11) Logical, second water inlet pipe (22) is connected with two circular spray tubes (23), the circular spray tube (23) and single track shower (24) interval setting.

5. flue gas filter system during a kind of copper rod machining according to claim 4, it is characterised in that：Described single track spray 1~5 shower nozzle is provided with shower pipe (24), shower nozzle is located on same straight tube.

6. flue gas filter system during a kind of copper rod machining according to claim 4, it is characterised in that：The annular spray Pipe (23) is circumferentially distributed along absorption tower (11), and 3~9 shower nozzles are provided with circular spray tube (23).

7. flue gas filter system during a kind of copper rod machining according to claim 4, it is characterised in that：Described packing layer Including the first packing layer (13) and the second packing layer (14), it is provided between the first packing layer (13) and the second packing layer (14) Single track shower (24) or circular spray tube (23).