CN203784965U - Efficient incinerator for oil sludge - Google Patents
Efficient incinerator for oil sludge Download PDFInfo
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- CN203784965U CN203784965U CN201420208604.0U CN201420208604U CN203784965U CN 203784965 U CN203784965 U CN 203784965U CN 201420208604 U CN201420208604 U CN 201420208604U CN 203784965 U CN203784965 U CN 203784965U
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- oil sludge
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Abstract
The utility model relates to an efficient incinerator for oil sludge. The efficient incinerator comprises a furnace body including an inner furnace wall (11) and an outer furnace wall (10), and is characterized in that an air interlayer (12) is defined by the inner furnace wall and the outer furnace wall; a primary air inlet (13) is formed in the outer furnace wall; a furnace bottom (5) is arranged at the lower part of a furnace chamber (15); furnace bottom air outlets (6) communicated with the air outlets of an air distributor (4) which is positioned outside the furnace bottom are formed in the furnace bottom (5); the air inlets of the air distributor (4) are communicated with the air interlayer; secondary air inlet passages (9) are mounted in the middle of the furnace body; a feed screw (8) used for transporting the oil sludge into the furnace chamber is mounted at the lower-middle part of the furnace body; a diesel oil auxiliary burner (1) is mounted at the lower part of the furnace body, and a fume outlet passage (14) is arranged at the upper part of the furnace body; a controllable deslagging passage (16) is arranged at the lower part of furnace body. The efficient incinerator has the advantages that the combustion efficiency is high, the incineration is stable, and the mechanical failure rate is lower, thereby being an ideal device for the efficient clean treatment of the oil sludge.
Description
Technical field
The utility model relates to a kind of environmental protection equipment, especially a kind of for oily sludge being burned to alleviate the incinerator of environmental pollution, specifically a kind of high efficient oil sludge incinerator.
Background technology
As everyone knows, China's oil field One's name is legion, only taking petroleum exploration and development industry as example, sludge creation amount is crude output 0.5%～1%, annual just by the greasy dirt generation that has nearly 1,000,000 tons.The quantity of the oily sludge meanwhile, producing in the process of a large amount of production and transport, accumulating oil is also very surprising.In China, greasy dirt processing problem is never effectively solved.Carry out energetically improvement and the comprehensive utilization work of greasy dirt although domestic, produced effects little.Each oil field generally adopts the method for directly burying, farmland composting process to process greasy dirt.The method has directly been polluted soil, surface water and groundwater landed property, not basic solution problem of environmental pollution, and inflammable substance in greasy dirt is run off, cause the waste of the energy.Therefore new method and the new technology of, studying as early as possible and set up a set of applicable oil field sludge harmless and recycling treatment become the task of top priority.The processing mode of greasy dirt mainly contains burying method, mixes burning burning method, partition method, biological degradation method, re-injection method, buries method, stacking method etc. at present.Wherein, burning method has advantages of that at aspects such as resource, innoxious and decrement (appearance) changes other processing modes are incomparable.In China, sludge incinerator mainly contains multihearth grate furnace, fluidized bed incinerator, vertical multi-sectional incinerator, rotary kiln type incinerator, melting incinerating stove etc.For the characteristic of greasy dirt, in technique, generally incinerator is fired to chamber from being divided into one-level combustion chamber and secondary.In the stove of one-level combustion chamber, temperature general control is at 850 DEG C～950 DEG C, mainly complete greasy dirt dry, pyrolysis, burn, burn, cooling five processes, secondary combustion is indoor is mainly the combustion process that pyrolytic gasification forms mixed flue gas.But, at present most domestic incinerator ubiquity is low to the efficiency of combustion of greasy dirt, burns the shortcomings such as unstable and failure rate of machinery is high, causes greasy dirt burning insufficient, capacity usage ratio is low, easily produces the problems such as gas pollutant and maintenance cost are large in burning process.
Summary of the invention
The purpose of this utility model is low for existing greasy dirt firing efficiency, burn inadequate problem, design a kind of efficiency of combustion and capacity usage ratio that can significantly improve greasy dirt particle, control greasy dirt smooth combustion, realize automatic discharge, the high efficient oil sludge incinerator of the efficient utilization of strong promotion greasy dirt simultaneously.
The technical solution of the utility model is:
A kind of high efficient oil sludge incinerator, it comprises the body of heater being made up of internal protecting wall 11 and outer furnace wall 10, internal protecting wall 11 surrounds burner hearth 15, it is characterized in that being formed with air blanketing 12 between described internal protecting wall 11 and outer furnace wall 10, the air in air blanketing 12 and internal protecting wall 11 carry out heat exchange and form wind of high temperature; On outer furnace wall 10, be provided with a wind entrance 13 into air blanketing 12 air feed, be provided with furnace bottom 5 in the bottom of burner hearth 15, furnace bottom 5 is provided with to the furnace bottom air outlet 6 of air feed in burner hearth, in described furnace bottom air outlet, 6 are connected with the air outlet of the air distribution plate 4 that is positioned at furnace bottom outside, and the air inlet of air distribution plate 4 is connected with air blanketing 12 by a wind pipeline 2; The Secondary Air air intake passage 9 that several are arranged is obliquely installed at the middle part of body of heater, and Secondary Air is sent into obliquely in burner hearth and is coordinated with a wind time that makes freeze profile become eddy airstream upwards to burn at stove inner suspension to increase greasy dirt particle through Secondary Air air intake passage 9; The middle and lower part that is arranged on body of heater to the feed screw 8 of transferring oil mud in burner hearth, is provided with diesel oil combustion-supporting 1 in the bottom of body of heater; Be provided with the exhanst gas outlet passage 14 being connected with burner hearth on the top of body of heater, be provided with the controllable type slagging channel 16 being connected with burner hearth in the bottom of body of heater.
The tapered structure of described furnace bottom, described air distribution plate 4 is also pyramidal structure; Also oblique layout is to utilize gravity to realize automatic discharge for described slagging channel 16, and the cone base angle of the inclination angle of slagging channel 16 and furnace bottom matches.
Described automatically controlled slagging coutrol valve 3 is installed on slagging channel 16, tangent at the bottom of the entrance point of slagging channel and conical furnace.
A cone space for diesel oil combustion-supporting 1 flame combustion is formed at the bottom of described cone shaped distributor 4.
Described Secondary Air air intake passage 9 is by the horizontal segment tangent with outer furnace wall 10 and become oblique section of 25-45 degree angle to form with horizontal plane.
In described body of heater, pyrometer couple is installed.
Described outer furnace wall 10 is made up of outer layer plate and internal layer refractory brick.
Described internal protecting wall 11 is high-quality refractory metal material member.
Described Secondary Air air intake passage 9 quantity are four, and they are distributed on around body of heater.
The beneficial effects of the utility model:
Furnace wall of the present utility model adopts double furnace wall structure, be respectively from the inside to the outside the outer furnace wall that internal protecting wall, air blanketing, the heat-barrier material be made up of thermally conductive materials are made, due to the air heat-insulation layer between ectonexine furnace wall, and the insulation effect of outer furnace wall material, isolated heat transmission, make body of heater exospheric temperature lower, be convenient to the maintenance overhaul of safe ready; A wind enters the air blanketing between outer furnace wall in body of heater by top entrance simultaneously, and primary air is heated in the heat radiation that absorbs internal protecting wall, has improved the incinerator thermal efficiency, reduces energy loss simultaneously.
In air inlet system of the present utility model, an air intake is by the air blanketing passage preheating between interior outer furnace wall, upwards spray into primary air through bottom of furnace body domatic ogival air distribution plate, Secondary Air is by being arranged on body of heater middle part, its horizontal direction and furnace wall are tangent, vertical direction becomes four inclination air intake pipe orifices of 30 degree angles to spray into burner hearth obliquely with horizontal plane, one Secondary Air coordinates makes freeze profile become upwards eddy airstream, can increase greasy dirt particle in stove inner suspension burning time, ensure that its time of staying in burner hearth is greater than 2 seconds, promote greasy dirt particle fully to burn, ensure that hearth combustion section each several part temperature is even simultaneously, there will not be local hot spot, make to burn stable, be easy to control.
The dreg removing system that the slag-drip opening at domatic ogival furnace bottom of the present utility model and minimum point place, furnace bottom both sides and slagging coutrol valve form, rely on the effect of lime-ash self gravitation to assemble to minimum point place, both sides slag-drip opening, discharged by slagging coutrol valve control, realize incinerator automatic discharge, this dreg removing system easy operating simple in structure, avoid traditional mechanical dreg removing system failure rate of machinery high, the problems such as maintenance expense height.
Wind of device for monitoring temperature cooperation of feeder bottom, the real-time adjusting of Secondary Air air force, guarantee that greasy dirt particle burning remains on normal design temperature, greasy dirt particle is fully burnt, reduce nitrogen oxide in tail gas Ji gas pollutant content such as bioxin.
The utlity model has efficiency of combustion high, burn the stable and low advantage of failure rate of machinery, for the high-efficiency cleaning processing of greasy dirt provides desirable equipment.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure: 1 is diesel oil combustion-supporting, 2 is a wind pipeline, and 3 is slagging coutrol valve, 4 is air distribution plate, and 5 is furnace bottom, and 6 is furnace bottom air outlet, 7 is pyrometer couple, and 8 is feed screw, and 9 is Secondary Air air intake passage, 10 is outer furnace wall, and 11 is internal protecting wall, and 12 is air blanketing, 13 is a wind entrance, 14 is exhanst gas outlet passage, and 15 is burner hearth, and 16 is slag-drip opening.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further described.
As shown in Figure 1.
A kind of high efficient oil sludge incinerator, it comprises 1, wind pipeline 2 of diesel oil combustion-supporting, slagging coutrol valve 3, air distribution plate 4, furnace bottom 5, furnace bottom air outlet 6, pyrometer couple 7, feed screw 8, Secondary Air air intake passage 9, outer furnace wall 10, internal protecting wall 11,12, wind entrances 13 of air blanketing, flue gas outlet passageway 14, burner hearth 15 and slag-drip opening 16, as Fig. 1.Internal protecting wall 11 and outer furnace wall 10 form body of heater, are the burner hearth 15 that burns greasy dirt in internal protecting wall 11, and oil pollution is sent in burner hearth by feed screw 8.Internal protecting wall 11 is made up of thermostable heat-conductive material (as metal material), so that internal protecting wall 11 heat radiations can be fast by the absorption of air in air blanketing 12, outer furnace wall 10 is made up of outer layer plate and internal layer refractory brick.Between described internal protecting wall 11 and outer furnace wall 10, be formed with air blanketing 12, the air in air blanketing 12 and internal protecting wall 11 carry out heat exchange and form wind of high temperature; On outer furnace wall 10, be provided with a wind entrance 13 into air blanketing 12 air feed, be provided with the pointed furnace bottom 5 of cone in the bottom of burner hearth 15, boring pointed furnace bottom 5 is provided with to the furnace bottom air outlet 6 of air feed in burner hearth, in described furnace bottom air outlet, 6 are connected with the air outlet of the air distribution plate that is also cone tip shape 4 that is positioned at furnace bottom outside, and the air inlet of air distribution plate 4 is connected with air blanketing 12 by a wind pipeline 2; Several Secondary Air air intake passage 9(the present embodiment of arranging are obliquely installed at the middle part of body of heater and adopt four uniform Secondary Air air intake passages 9), Secondary Air air intake passage 9 is by the horizontal segment tangent with outer furnace wall 10 and become oblique section of 25-45 degree angle to form with horizontal plane.Secondary Air is sent into obliquely in burner hearth and is coordinated with a wind time that makes freeze profile become eddy airstream upwards to burn at stove inner suspension to increase greasy dirt particle through Secondary Air air intake passage 9; The middle and lower part that is arranged on body of heater to the feed screw 8 of transferring oil mud in burner hearth, feed screw 8 belows are provided with the pyrometer couple 7 as device for monitoring temperature, for temperature in monitoring burner hearth in real time.In the bottom of body of heater, diesel oil combustion-supporting 1 is installed, the flame of diesel oil combustion-supporting 1 burns in the lower taper combustion space of cone shaped distributor 4, improves temperature in stove when too low for use in furnace temperature; Be provided with the exhanst gas outlet passage 14 being connected with burner hearth on the top of body of heater, be provided with the angle and the furnace bottom that are connected with burner hearth in the bottom of body of heater and bore the controllable type slagging channel 16 that base angle matches, to utilize gravity deslagging, electric-controlled type or hand slagging coutrol valve door 3 are installed on slagging channel, and the entrance point of slagging channel is to be designed to form tangent at the bottom of conical furnace as best.
The circular cylindrical cavity that outer furnace wall 10 of the present utility model is made up of insulating brick and steel construction, insulating brick, in the middle of outer furnace wall 10, prevents heat loss, steel construction, in outside, furnace wall, mainly play fixed supporting role; Internal protecting wall 11 is made up of high-quality refractory metal material, makes the heat radiation of internal protecting wall can be fast by the absorption of air in air blanketing 12.When the diesel oil combustion-supporting 1 of bottom of furnace body is too low for furnace temperature, improve temperature in stove.Be provided with flue gas outlet passageway 14 at body of heater top.Air inlet system of the present utility model comprises air inlet system and secondary air system, air inlet system comprises the wind entrance 13 being arranged at directly over outer furnace wall, air blanketing passage between interior outer furnace wall and bottom of furnace body domatic ogival air distribution plate 4, secondary air system is by being arranged on body of heater middle part, its horizontal direction and furnace wall are tangent, vertical direction becomes four (or more than four) secondary air inlet passages 9 of 25-45 degree (the best is 30 degree) angle obliquely with horizontal plane, one time air inlet system coordinates air intake with secondary air system, make freeze profile become upwards eddy airstream, can increase greasy dirt particle in stove inner suspension burning time, ensure the time of staying of greasy dirt particle in stove, promote greasy dirt particle fully to burn, ensure that burner hearth 15 burning zone each several part temperature are even simultaneously, there will not be local hot spot, make to burn stable, be easy to control.Dreg removing system comprises that slag-drip opening 16 and the slagging coutrol valve 3 at domatic ogival furnace bottom 5 and minimum point place, furnace bottom both sides form, and can realize incinerator automatic discharge.Domatic ogival furnace bottom 5 is made up of high-quality high temperature resistant steel plate; air distribution plate 4 and steel plate of furnace hearth close contact, furnace bottom air outlet 6 is consistent with a wind air outlet position on air distribution plate 4, close contact; protecting cloth aerofoil avoids being subject to the direct impact of slag, extends air distribution plate service life.
When work, greasy dirt particle to be burned is transported in burner hearth 15 uniformly through feed screw 8, immediately with one, the upwards eddy airstream that Secondary Air forms mixes, form fluidization bed, take fire, one time wind enters in the air blanketing 12 between internal protecting wall 11 and outer furnace wall 10 via a wind entrance 13 directly over outer furnace wall 10, absorbing internal protecting wall heat radiation elevates the temperature, enter after domatic ogival air distribution plate 4 by a wind pipeline 2, sprayed in burner hearth 15 by furnace bottom air outlet 6, Secondary Air sprays into burner hearth via four Secondary Air air intake passages 9, the wind that the Secondary Air spraying into obliquely sprays into domatic ogival air distribution plate 4 coordinates and forms upwards eddy airstream, both for hearth combustion provides sufficient oxygen, extend again the suspension combustion time of greasy dirt particle in stove, promote greasy dirt particle fully to burn, the violent turbulence of air-flow simultaneously ensures that burner hearth 15 burning zone each several part temperature are even, there will not be local hot spot, in this process, greasy dirt particle is dry rapidly, catch fire, and severe bounce collision, be suspended in burner hearth 15 with the burning of boiling state, pyrometer couple 7 is the interior temperature of monitoring burner hearth in real time, and coordinate wind one time, the real-time adjusting of Secondary Air air force, guarantee that greasy dirt particle burning remains on normal design temperature, greasy dirt particle is fully burnt, reduce nitrogen oxide in tail gas Ji gas pollutant content such as bioxin, the flue gas finally rising goes out institute's passage 14 by the flue gas at body of heater top and discharges incinerator, produced simultaneously lime-ash is assembled to domatic pinnacle furnace bottom 5 minimum point place, both sides slagging channels 16 gradually under self gravitation effect, control discharge by slagging coutrol valve 3, can realize automatic discharge.
The double furnace wall structure of the utility model high efficient oil sludge incinerator has ensured that the heat radiation of internal protecting wall is absorbed by primary air, and an air temperature that makes to spray into burner hearth raises, and has improved incinerator efficiency of combustion, reduces the furnace wall energy loss causing of dispelling the heat simultaneously; Four, middle part of domatic ogival air distribution plate and incinerator inclination air intake pipe orifice is respectively to spraying into wind and Secondary Air in burner hearth, this air inlet system can become upwards eddy airstream at freeze profile, can increase greasy dirt particle in stove inner suspension burning time, promote greasy dirt particle fully to burn, ensure that hearth combustion section each several part temperature is even simultaneously, there will not be local hot spot, make to burn uniform and stable, air distribution plate is in domatic ogival furnace bottom below adjacent steel plate of furnace hearth simultaneously, can make air distribution plate avoid being subject to the direct impact of slag, extend air distribution plate service life; The dreg removing system that the slag-drip opening at domatic ogival furnace bottom and minimum point place, furnace bottom both sides and slagging coutrol valve form, has realized incinerator automatic discharge, has avoided traditional mechanical dreg removing system failure rate of machinery high, the problems such as maintenance expense height.It is low to the efficiency of combustion of greasy dirt that this new oil mud incinerator has solved in current greasy dirt incineration treatment technology ubiquity, burns the shortcomings such as unstable and failure rate of machinery is high, realized the high-efficiency cleaning processing to greasy dirt.
The utility model does not relate to partly all prior aries that maybe can adopt same as the prior art to be realized.
Claims (9)
1. a high efficient oil sludge incinerator, it comprises the body of heater being made up of internal protecting wall (11) and outer furnace wall (10), internal protecting wall (11) surrounds burner hearth (15), it is characterized in that being formed with air blanketing (12) between described internal protecting wall (11) and outer furnace wall (10), the air in air blanketing (12) and internal protecting wall (11) carry out heat exchange and form wind of high temperature; On outer furnace wall (10), be provided with the wind entrance (13) into air blanketing (12) air feed, be provided with furnace bottom (5) in the bottom of burner hearth (15), furnace bottom (5) is provided with to the furnace bottom air outlet (6) of air feed in burner hearth, in described furnace bottom air outlet, (6) are connected with the air outlet of the air distribution plate (4) that is positioned at furnace bottom outside, and the air inlet of air distribution plate (4) is connected with air blanketing (12) by a wind pipeline (2); The Secondary Air air intake passage (9) that several are arranged is obliquely installed at the middle part of body of heater, and Secondary Air is sent into obliquely in burner hearth and is coordinated with a wind time that makes freeze profile become eddy airstream upwards to burn at stove inner suspension to increase greasy dirt particle through Secondary Air air intake passage (9); The middle and lower part that is arranged on body of heater to the feed screw (8) of transferring oil mud in burner hearth, is provided with diesel oil combustion-supporting (1) in the bottom of body of heater; Be provided with the exhanst gas outlet passage (14) being connected with burner hearth on the top of body of heater, be provided with the controllable type slagging channel (16) being connected with burner hearth in the bottom of body of heater.
2. high efficient oil sludge incinerator according to claim 1, is characterized in that the described tapered structure of furnace bottom, and described air distribution plate (4) is also pyramidal structure; Also oblique layout is to utilize gravity to realize automatic discharge for described slagging channel (16), and the inclination angle of slagging channel (16) and the cone base angle of furnace bottom match.
3. high efficient oil sludge incinerator according to claim 1 and 2, is characterized in that the described automatically controlled slagging coutrol valve (3) that is provided with on slagging channel (16), tangent at the bottom of the entrance point of slagging channel and conical furnace.
4. high efficient oil sludge incinerator according to claim 1 and 2, is characterized in that a cone space for diesel oil combustion-supporting (1) flame combustion is formed at the bottom of described cone shaped distributor (4).
5. high efficient oil sludge incinerator according to claim 1, is characterized in that described Secondary Air air intake passage (9) by the horizontal segment tangent with outer furnace wall (10) and becomes oblique section of 25-45 degree angle to form with horizontal plane.
6. high efficient oil sludge incinerator according to claim 1, is characterized in that, in described body of heater, pyrometer couple is installed.
7. high efficient oil sludge incinerator according to claim 1, is characterized in that described outer furnace wall (10) is made up of outer layer plate and internal layer refractory brick.
8. high efficient oil sludge incinerator according to claim 1, is characterized in that described internal protecting wall (11) is high-quality refractory metal material member.
9. high efficient oil sludge incinerator according to claim 1, is characterized in that described Secondary Air air intake passage (9) quantity is four, and they are distributed on around body of heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420208604.0U CN203784965U (en) | 2014-04-28 | 2014-04-28 | Efficient incinerator for oil sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420208604.0U CN203784965U (en) | 2014-04-28 | 2014-04-28 | Efficient incinerator for oil sludge |
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| Publication Number | Publication Date |
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| CN203784965U true CN203784965U (en) | 2014-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420208604.0U Expired - Fee Related CN203784965U (en) | 2014-04-28 | 2014-04-28 | Efficient incinerator for oil sludge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939919A (en) * | 2014-04-28 | 2014-07-23 | 江苏金鼎锅炉有限公司 | Efficient oil sludge incinerator |
-
2014
- 2014-04-28 CN CN201420208604.0U patent/CN203784965U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939919A (en) * | 2014-04-28 | 2014-07-23 | 江苏金鼎锅炉有限公司 | Efficient oil sludge incinerator |
| CN103939919B (en) * | 2014-04-28 | 2016-10-19 | 江苏金鼎锅炉有限公司 | High efficient oil sludge incinerator |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20210428 |