A kind of cycling elution exhaust gas treating tower in copper smelting by pyrometallurgy
Technical field
This utility model belongs to copper metallurgy technical field of waste gas treatment, particularly relates to the cycling elution in a kind of copper smelting by pyrometallurgy and gives up
Gas disposal tower.
Background technology
Copper smelting by pyrometallurgy includes the operations such as roasting, melting, blowing, refine, with copper sulfide concentrate as primary raw material.Roasting
Divide partial oxidizing roasting and dead roasting (" dead roast "), all or part of sulfur in removing concentrate, remove part arsenic, antimony simultaneously
Etc. volatile impurity.Melting is mainly matte smelting, it is therefore an objective to make the part ferrum in copper concentrate or roasted ore aoxidize, and with
The slag making such as stone-like pulse, flux removes, the matte that output cupric is higher.Refine divides pyro-refining and electrorefining.Blister copper essence divides pyrogenic process
Refine and electrorefining.Pyro-refining is to utilize some impurity that the affinity of oxygen is more than copper, and its oxide is insoluble in copper
The character such as liquid, are removed by oxidative slagging or volatilization.A large amount of flue gas can be produced baking, during melting and pyro-refining,
Often containing sulfur dioxide lamp harmful gas in flue gas, for environmental protection and energy-conservation, and fume treatment also serves as our living according to principles for self-cultivation
Produce operation.
Impact type leaching absorption tower is the core apparatus of wet process of FGD, common mainly iron spray column, inside does
Preservative treatment.In practical application, usually there is desulfuration efficiency low and the problem of job insecurity occurs and maintenance inconvenience, to useless
In gas, the noble metal response rate is low, causes greatly waste, in the case of the requirement of current energy-saving and emission-reduction and standard improve constantly,
A lot of desulphurization systems can not meet the needs of enterprise, the more efficient and reliable technology of market demand.
Utility model content
In view of this, the cycling elution exhaust gas treating tower in a kind of copper smelting by pyrometallurgy of necessary offer, reach waste gas
Cleaning is thorough, cleaning efficiency high effect.
For the defect overcoming prior art to exist, this utility model provides techniques below scheme:
A kind of cycling elution exhaust gas treating tower in copper smelting by pyrometallurgy, including the left eluting column being arranged side by side and right eluting column,
And material is fiberglass, described left and right eluting column is made up of 3 joint cylinders, connects by ring flange is fixing, institute between each joint cylinder
Stating left and right eluting column all height is 12 meters, and 0.2 times of a diameter of height, tower body wall thickness is 2 centimetres, the bottom in left eluting column
Equipped with cleanout fluid, being provided with a gas buffer tank, this gas buffer tank is provided with appendix by described left eluting column, this is defeated
Trachea oblique cutting enters in described cleanout fluid, is disposed with multiple packing layer, each packing layer in described left eluting column from the bottom up
Top be provided with shower, the end of its this shower is provided with shower nozzle, and this shower nozzle is a upper end open lower end closed
Vertical tube, and be provided with multiple spray hole on the sidewall of this vertical tube and bottom, the other end of described shower extends to described
Liquid case outside left eluting column, this liquid case is connected with the bottom of described left eluting column by pump, and the upper end of left eluting column connects glass
The spiral cooling tube that glass steel is made, the pitch of this spiral cooling tube is 70 centimetres, and the other end of this spiral cooling tube is connected to institute
Stating the bottom of right eluting column, the lower end of right eluting column is provided with drain pipe, in right eluting column in the way of identical with left eluting column
Being provided with packing layer and shower, the top of described right eluting column is provided with escape pipe, is provided with except mist in the lower section of escape pipe
Device, this demister is fixing with the inwall of described right eluting column to be connected.
Preferably, described baffle-box being additionally provided with muffler, the other end of this muffler is connected with described left eluting column, and
On-position is positioned at the top of described cleanout fluid liquid level.
Preferably, the angle that described appendix and horizontal plane are formed is 20 °.
Compared with prior art, the beneficial effects of the utility model have employed multiple step and clear up waste gas, clearly
Reason process extends relatively so that the cleaning of waste gas is more thorough, in hgher efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of the cycling elution exhaust gas treating tower in a kind of copper smelting by pyrometallurgy of this utility model.
Specific examples below will further illustrate this utility model in conjunction with above-mentioned accompanying drawing.
Detailed description of the invention
Below with reference to accompanying drawing, the utility model is described in further detail.
Seeing Fig. 1, the cycling elution exhaust gas treating tower in a kind of copper smelting by pyrometallurgy, including left eluting column 1 He being arranged side by side
Right eluting column 2, described left and right eluting column is made up of 3 joint cylinders, connects by ring flange 8 is fixing between each joint cylinder, and material
For fiberglass, described left and right eluting column all height are 12 meters, and 0.2 times of a diameter of height, tower body wall thickness is 2 centimetres, left drip washing
Bottom in tower 1 is equipped with cleanout fluid 1a, and described left eluting column 1 is other is provided with a gas buffer tank 4, on this gas buffer tank 4
Being provided with appendix 4a, this appendix 4a oblique cutting enters in described cleanout fluid 1a, sets gradually from the bottom up in described left eluting column 1
Having multiple packing layer 6, the top of each packing layer 6 to be provided with shower 3b, the end of its this shower 3b is provided with shower nozzle,
3a this shower nozzle 3a is the vertical tube of a upper end open lower end closed, and is provided with multiple hydrojet on the sidewall of this vertical tube and bottom
Hole, the other end of described shower 3b extends to the liquid case 3 outside described left eluting column 1, and this liquid case 3 is by pump 9 and described left pouring
Washing the bottom connection of tower 1, the upper end of left eluting column 1 connects the spiral cooling tube 4 having fiberglass to make, this spiral cooling tube 4
Pitch is 70 centimetres, and the other end of this spiral cooling tube 4 is connected to the bottom of described right eluting column 2, and the lower end of right eluting column sets
It is equipped with drain pipe 9, in right eluting column 2, in the way of identical with left eluting column 1, is provided with packing layer 6 and shower 3b, the described right side
The top of eluting column 2 is provided with escape pipe 5, and the lower section of escape pipe 5 is provided with demister 7, this demister 7 and described right drip washing
The inwall of tower 2 is fixing to be connected.
Preferably, described baffle-box 4 is additionally provided with muffler 4b, the other end of this muffler 4b and described left eluting column 1
Connect, and on-position is positioned at the top of described cleanout fluid 1a liquid level.
Preferably, the angle that described appendix 4a and horizontal plane are formed is 20 °.
Waste gas is first passed in baffle-box 4, is being passed in cleanout fluid 1a via the appendix 4a tilted in baffle-box 4
Carry out cleaning for the first time.Waste gas after cleaning for the first time is passed through spray by shower 3b after continuing up to come into packing layer 6
Head 3a ejection cleanout fluid 1a carry out second time clean.Waste gas after second time is cleaned cools down through spiral cooling tube 4
After arrive right eluting column 2 again in carry out third time and clean, complete the waste gas after third time is cleaned after demister 7 processes, then lead to
The escape pipe 5 crossing right eluting column 2 top is discharged.Cleanout fluid in right eluting column 2 is discharged by drain pipe 9, makees unified collection
Process, there is environmental protection, cost-effective advantage.
Described shower nozzle 3a uses a vertical tube to make, and the sidewall of vertical tube and bottom are provided with multiple spray hole, so, spray
Fluid apertures leads to surrounding, towards a biggest scope.Cleanout fluid is outwards sprayed by this spray hole at night, and it is wider that it sprays,
Effect is more.On the other hand, the shower nozzle 3a simple in construction of riser type, convenient for production, save manufacturing cost.
Liquid case 3 is connected with the lower end of left eluting column 1 by pump 9, and the cleanout fluid 1a in left eluting column 1 can be extracted into top
In liquid case 3, for Sprayer Circulation.
The effect of muffler 4b and baffle-box 4 is to be possible to prevent the cleanout fluid 1 bottom left eluting column 1 to pour in down a chimney.
The explanation of above example is only intended to help to understand method of the present utility model and core concept thereof.Should refer to
Go out, for those skilled in the art, on the premise of without departing from this utility model principle, it is also possible to this
Utility model carries out some improvement and modification, and these improve and modification also falls into this utility model scope of the claims
In.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses this practicality new
Type.Multiple amendment to these embodiments will be apparent from for those skilled in the art, is determined herein
The General Principle of justice can realize in the case of without departing from spirit or scope of the present utility model in other embodiments.Cause
This, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.