Three, summary of the invention:
The purpose of this utility model is for above present situation, difficulty, obstacle, limitation and quagmire, provides that a kind of technology maturation, applied range, good energy-conserving effect, cost is low, comprehensive utilization ability is high oilfield sewage and boiler smoke are mixed bathes two-way refining plant.
The purpose of this utility model is achieved through the following technical solutions:
The two-way refining plant of the mixed bath of oilfield sewage and boiler smoke, is comprised of mixed bath distillation tower and heat exchange segregator two portions;
Heat exchange segregator is by cold water cavity and contain the dual chamber that the sealing heat exchanger fin in it forms, and heat exchanger fin bottom is provided with trap and pure water pipe;
The inside that part is narrowed on mixed bath distillation tower top arranges droplet nutsche filter, flue gas vapour outlet connecting gas transmission pipe are kept somewhere in top, described pneumatic tube the other end connecting sealed heat exchanger fin, middle and upper part installation sleeve annular or the rake shape atomization water distributor of combing, the external high-pressure hydraulic pump of atomization water distributor, middle part arranges dust elimination umbrella, bottom arranges flue pipe and connects flue gas director, the bore of described dust elimination umbrella is greater than the bore of flue gas director, a water storage tank expanding is constructed in bottom, in the inside of water storage tank, arrange one with the mixed isometrical doline slag-drip opening in distillation tower bottom of bathing, upper part of doline slag-drip opening funnel is filtering membrane net, one side of water storage tank sets out the mouth of a river, inner setting heats coil pipe, heat coil pipe one end and connect high-pressure hydraulic pump and atomization water distributor by waste pipe, the other end connects cold water cavity by waste pipe.
The flue gas that injection boiler produces and oilfield sewage are inputted respectively the mixed distillation tower of bathing, the oilfield sewage spraying through atomization water distributor in mixed bath distillation tower mixes and bathes with the boiler smoke through flue gas director and the disperse of dust elimination umbrella, oilfield sewage is because being heated by boiler smoke, part evaporation forms steam, boiler smoke purifies through drip washing, after steam and purification, flue gas is sent into heat exchange segregator by pneumatic tube after droplet nutsche filter dewaters, do not form another part oilfield sewage of steam and because of the adsorption moisture bonding exhaust gas dust water storage tank that falls that increases weight, moisture after filtration membrane filtration is discharged by water outlet, outer row after harmlessness disposing, dust and other cured articles are interrupted and are released by slag-drip opening, the oilfield sewage being imported by heat exchange segregator is inputted atomization water distributor by heating after coil pipe further heats up by high-pressure hydraulic pump, the dual chamber that its heat exchange segregator is comprised of airtight cold water cavity and the heat exchanger fin that contains the big area sealing in it, oilfield sewage is entered by cold water cavity bottom, through top waste pipe, derive, by mixed steam, flue gas of bathing distillation tower generation, through pneumatic tube, from heat exchanger fin one side, entered, after vapor condensation, by the trap of heat exchanger fin bottom and pure water pipe, discharged to injection boiler and supplied water, flue gas is discharged and is participated in oil well stream-injection or row outward by the pneumatic tube on heat exchanger fin top.
The two-way refining plant of the mixed bath of oilfield sewage of the present utility model and boiler smoke compared with prior art has utilisation technology maturation, and the features such as application apparatus improvement, improvement, manufacture and supporting simple and convenient assembly, have following remarkable advantage in addition:
1, this device adopts oilfield sewage and boiler smoke is mixed bathes, and utilizes waste water control clean flue gas, utilize flue gas to administer oilfield sewage and extract the two-way purification pattern of water purification, input still less, lower, the better effects if of cost.
2, this device adopts flue gas director, the measures such as dust elimination umbrella and atomization water distributor, flue gas and oilfield sewage are fully mixed, make water, gas at fine particles, even mixed bath in molecule aspect, form very big contact area between the two, the heat diffusion of being convenient to high-temperature flue gas discharges, and the moisture content conversion of liquid state to steam state of absorb heat.Utilize sewage as the cooling water of heat exchange segregator, not only saved normal water loss, also for entering mixed bath distillation tower participation reaction, sewage carried out preheating heating, the sewage of its preheating enters mixed bath after distillation tower, receives again the water heat accumulation energy of water storage tank by heating coil pipe, has not only further improved sewage and has participated in mixed initial temperature of bathing, also further utilized common discarded waste heat, whole heat energy utilization is more abundant, and energy-saving effect is better, and efficiency is higher.
3, the water of condensation after utilization evaporation is as boiler feed water, its water of condensation is closer to pure water, not only save the pretreatment procedure of common boiler feed water, water of condensation is lower to the aggressiveness of boiler, also there is not the knot trowel used for plastering factor, make the longer service life of boiler, thermo-efficiency is higher, steam output is larger.
4, boiler flue gas, through bathing dedusting, reduces sulfide content, is convenient to follow-up waste gas application, and outer row also can reduce the pollution to environment.
5, oilfield sewage evaporates by the mixed bath of this device, when condensation pure water is provided, greatly reduced sewage quantity, for further deepening to administer, reduce workload, also because sewage and flue gas are mixed baths under high ambient conditions, be convenient to generate easily curing salt and new salt with accelerating part acidity, basic cpd reaction, make further disposal simpler.
6, this device, in two-way treatment flue gas and sewage, is realized the recirculation of part of waste heat and is utilized by this carrier of sewage, and heat energy efficiency is higher, more energy-conservation.
In sum, the two-way refining plant of the mixed bath of oilfield sewage of the present utility model and boiler smoke has distinguishing feature, the advantages such as energy-saving and environmental protection, cost is low, profitable, efficiency is high in thermal recovery is produced, thereby, there is good application value.
Five, embodiment:
In conjunction with Figure of description, oilfield sewage of the present utility model and the two-way refining plant of the mixed bath of boiler smoke are done to following further description:
As shown in Figure 1, the two-way refining plant of the mixed bath of oilfield sewage of the present utility model and boiler smoke
Mixed bath distillation tower 1 and heat exchange segregator 2 two portions, consist of, its mixed bath distillation tower 1 is the sealing member of constructing with concrete or metal.A water storage tank expanding 11 is constructed in mixed distillation tower 1 bottom of bathing, in the inside of water storage tank 11, arrange one with the mixed isometrical doline slag-drip opening 15 in distillation tower 1 bottom of bathing, upper part of funnel is filtering membrane net 13, one side of water storage tank 11 sets out the mouth of a river 14, inner setting heats coil pipe 12, mixed bottom of bathing distillation tower 1 arranges flue pipe 3 and connects flue gas director 5, middle part arranges the dust elimination umbrella 6 that bore is greater than flue gas director 5, middle and upper part installation sleeve annular or the atomization water distributor 7 of combing rake shape, the inside that part is narrowed on top arranges droplet nutsche filter 8, flue gas vapour outlet 9 connecting gas transmission pipe 10 are kept somewhere in top.
Its heat exchange segregator 2 is by cold water cavity 18 and contain the dual chamber that the sealing heat exchanger fin 19 in it forms.Oilfield sewage 17 is injected by cold water cavity 18 bottoms, through top waste pipe 4, derive, by mixed steam, flue gas of bathing distillation tower 1 generation, through pneumatic tube 10, from a side of heat exchanger fin 19, entered, after the condensation of steam loss of heat, by trap 20 and pure water pipe 21 discharges of heat exchanger fin 19 bottoms, to injection boiler, supplied water, flue gas is discharged and is participated in oil well gas injections or direct outer row by heat exchanger fin 19 top pneumatic tubes 10.
The mixed workflow of bathing two-way refining plant of oilfield sewage and boiler smoke is: after profit sewage 17 absorbs heat and heats up in the interior participation flue gas of heat exchange segregator 2, steam process of cooling, through waste pipe 4, import and heat coil pipe 12, again heat up, by high-pressure hydraulic pump 16 injection atomization water distributors 7 heat absorption evaporations, realize boiler afterheat recycle.Boiler smoke is to import the mixed distillation tower 1 of bathing by flue pipe 3, through 5 disperses of flue gas director, dust elimination umbrella 6 stops sedimentation larger particles dust in the vortex backflowing, and pastes the trickle dust of factor sedimentation, the sulfide such as weightening finish react the new compounds such as generation sulfuric acid, sulfurous acid and vitriol with water and with water, fall into that water storage tank 11 is purified in mixed bath process because of water suction.The heat energy of boiler smoke is by evaporation atomized water, and the condensation process of heat exchange segregator 2 and preheating sewage are fully recycled.
Outside technical characterictic described in attached specification sheets, be the known technology of those skilled in the art.