CN208250144U - For handling the microwave processing equipment of oily sludge - Google Patents
For handling the microwave processing equipment of oily sludge Download PDFInfo
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- CN208250144U CN208250144U CN201820378197.6U CN201820378197U CN208250144U CN 208250144 U CN208250144 U CN 208250144U CN 201820378197 U CN201820378197 U CN 201820378197U CN 208250144 U CN208250144 U CN 208250144U
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Abstract
The utility model provides a kind of for handling the microwave processing equipment of oily sludge, the cylindrical shell that the conveying device of the microwave processing equipment passes through horizontal cavity is connected to the cylindrical reactor of horizontal cavity, the cylindrical reactor is driven by the power mechanism to be rotated around its own axis, microwave source is connected to by being threaded through the microwave feed-in mouth of cylindrical shell with cylindrical reactor, oil gas collection mechanism is connected to the oil gas vent at the top of cylindrical shell, and discharge nozzle is connected to the discharge port of cylindrical shell.The method of processing oily sludge provided by the utility model and its microwave processing equipment heating are more effective, also more uniform, are suitable for carrying out continuous treatment to oily sludge.
Description
Technical field
The utility model relates to a kind of for handling the microwave processing equipment of oily sludge, belong at petrochemical industry waste
Manage technical field.
Background technique
Oil exploitation, petroleum refining and other petrochemical industry related fieldss can all generate a large amount of oily sludge.If no
Add processing direct emission, on the one hand environment is caused to seriously affect, on the other hand result in waste of resources, therefore realizes oily sludge
Innoxious and recycling be current research final goal.
Mainly have to the processing method of oily sludge at present: re-injection method, solidification method, mechanical phonograph recorder separation, ablution, biology
Method, solvent extraction and thermochemical treatment method.Its final purpose is to realize the minimizing of oily sludge, innoxious and resource
Change.There is certain deficiency in these processing aspects, such as landfill method and solidification method land occupation, there are environmental pollution hidden danger, wastes
Resource.The Biochemical method period is long, and residual oil content is difficult to up to standard.Extraction needs a large amount of solvent.Traditional heat treatment side
Method has an incineration method and Thermal desorption method, and incineration method has exhaust gas and waste sludge discharge, and common Thermal desorption method can by organic matter into
Recycling and innoxious is realized in row recycling, but the method energy consumption of conventional pyrolytic analysis at present is high, and the processing time is long.
Based on this, in research at this stage, propose through microwave heating come by way of handling oily sludge.It is specific next
It says, is that oily sludge is put into the resonant cavity of microwave equipment in research process in the early stage, to make oily sludge humorous
The interior microwave heating issued by microwave source of the cavity that shakes, when reaching the gasification temperature of certain component oily in oily sludge, the group
Divide and just escaped from oily sludge, is then collected, the recycling treatment to oily sludge is realized with this.
In order to adapt to industrialized production, a kind of microwave processing equipment of serialization processing, the microwave treatment are then proposed
Equipment includes cylindrical shell, the resonant cavity being arranged in cylindrical shell, is arranged in the intracorporal conveyer belt of resonant cavity.Outside column
Feed inlet is offered on shell, oily sludge enters in cylindrical shell from the feed inlet and falls on the intracorporal conveyer belt of resonant cavity,
Then microwave heating section is sent to by conveyer belt and carries out microwave heating, the component of the oil distilled during heating is outside column
The gas outlet opened up on shell is discharged and is collected, and the oily sludge for being stripped of oil is transported to discharging section by conveyer belt, then
The discharge port discharge microwave processing equipment opened up from cylindrical shell.
But above-mentioned microwave processing equipment needs install conveyer belt in resonant cavity, can seriously affect microwave electromagnetic field
Distribution causes heating efficiency very low and heats uneven.
Utility model content
The utility model provides a kind of for handling the microwave processing equipment of oily sludge, and to solve, above-mentioned or other are latent
In problem.
Some embodiments according to the present utility model provide a kind of for handling the microwave processing equipment of oily sludge, packet
It includes: feeding mechanism, horizontal cavity, oil gas collection mechanism, discharge nozzle, microwave source and driving mechanism；The feeding mechanism includes
Device for transporting objects and feed pipe, the device for transporting objects are used to stir evenly oily sludge and additive and from described
The feed end of feed pipe is transported to the discharge end of the feed pipe；The horizontal cavity includes: cylindrical shell and is mounted on column
Cylindrical reactor in shape shell, the first end and second end end that the cylindrical reactor is located at axial direction offer out
Mouthful；The first end of the cylindrical shell offers feed inlet, and the feed pipe passes through the feed inlet and reacts from the column
The opening of device first end is extend into the cylindrical reactor；The second end of the cylindrical shell offers discharge port, described
Discharge port is connected to the discharge nozzle；Oil gas vent, the oil gas collection mechanism and institute are offered at the top of the cylindrical shell
State oil gas vent connection；Microwave feed-in mouth is also provided on the cylindrical shell, the waveguide connecting with the microwave source passes through institute
The opening for stating microwave feed-in mouth and cylindrical reactor wherein one end is extend into the cylindrical reactor；The driving mechanism with
The cylindrical reactor transmission connection, for driving the cylindrical reactor to rotate around the axis of the cylindrical reactor.
Microwave processing equipment as described above, wherein the device for transporting objects is spiral agitator.
Microwave processing equipment as described above, wherein the axis of the cylindrical reactor favours horizontal plane.
Microwave processing equipment as described above, wherein it further include waste material storage tank, the waste material storage tank and the discharging
Pipe connection, for storing the surplus materials after microwave heating.
Microwave processing equipment as described above, wherein the oil gas collection mechanism includes condenser and knockout drum；
The condenser is connected to by condensation pipe with the oil gas vent at the top of the cylindrical shell, by the cylindrical reactor points
It separates out the oil gas come and is cooled to liquid；The knockout drum is connected to the condenser, to store the liquid.
Microwave processing equipment as described above, wherein the oil gas collection mechanism further include: nitrogen storage tank；The column
Air inlet is also provided on shell, the air inlet is connected to by admission line with the nitrogen storage tank；The knockout drum
Top be also provided with gas outlet, the gas outlet is connected to by reflux line with the nitrogen storage tank.
Microwave processing equipment as described above, wherein be additionally provided with blower on the condensation pipe.
Microwave processing equipment as described above, wherein the condenser is provided with the thermometer for detecting condensation temperature.
Microwave processing equipment as described above, wherein be additionally provided with cyclone separator on the condensation pipe.
Microwave processing equipment as described above, wherein also set on the pipeline for connecting the condenser and knockout drum
It is equipped with pressure gauge.
Microwave processing equipment as described above, wherein the exit end of the waveguide is provided with baffle.
The microwave processing equipment provided by the utility model for being used to handle oily sludge, by the way that device for transporting objects to be arranged
Drum-type cavity outside and the feed pipe by being fixed on drum-type cavity one end be continuously conveyed and contain in cylindrical reactor
There is the material of oily sludge, influence when avoiding device for transporting objects operation for microwave field distribution in microwave resonance cavity,
So that the design of microwave field becomes simple controllable, and rotated during heating by cylindrical reactor itself, makes score
Separate out come oil gas can loss comes out from oily sludge faster, subsequently into being condensed back in oil gas collection mechanism
Receive, at the same the rotation of cylindrical reactor can with further such that microwave heating more uniformly and mixture is stirred and
Mixing, avoids it from being adhered on the inner wall of cylindrical reactor.
The advantages of additional aspect of the utility model, will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
By referring to accompanying drawing described in detail below, the above and other purpose of the utility model embodiment, feature and excellent
Point will become more clearly understood from.In the accompanying drawings, by by example and it is unrestricted in a manner of multiple implementations to the utility model
Example is illustrated, in which:
Fig. 1 is the structural schematic diagram of microwave processing equipment provided by the embodiment of the utility model.
In figure:
1, microwave processing equipment；10, feeding mechanism；
101, feed pipe；101a, feed end；
101b, discharge end；101c, material inlet；
103, spiral agitator；105, end cap；
20, horizontal cavity；201, cylindrical shell；
201a, feed inlet；201b, discharge port；
201c, oil gas vent；201d, microwave feed-in mouth；
201e, air inlet；203, cylindrical reactor；
203a, left end opening；203b, right-end openings；
205, power mechanism；301, discharge nozzle；
303, waste material storage tank；40, oil gas collection mechanism；
401, condenser pipe；403, condenser；
405, knockout drum；407, nitrogen storage tank；
409, blower；501, microwave source；
503, waveguide；2, oily sludge.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure
Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model
System.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field
Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into
Row combination and combination.
Fig. 1 is microwave processing equipment provided in this embodiment, is used to handle crude oil waste or oil-containing drilling well is discarded
The oily sludges such as object 2.As shown in Figure 1, the microwave processing equipment 1 includes spiral agitator 103, feed pipe 101, horizontal cavity
20, oil gas collection mechanism 40, discharge nozzle 301, microwave source 501 and driving mechanism, wherein spiral agitator 103 and feed pipe
101 constitute the feeding mechanism 10 of microwave processing equipment 1, and certainly, feeding mechanism 10 can also include other devices and structure, example
Such as end cap 105, it is used to close the feed end 101a for the feed pipe 101 being described below.In order to make those skilled in the art
How the clearer understanding of member handles oily sludge 2 using the microwave processing equipment 1 of the present embodiment, below will be according in Fig. 1
Each equipment and its component is described in the direction (namely direction of motion of raw material, product and waste) of arrow, but it should reason
Solution, is described below the concrete restriction not constituted to the utility model.
Referring to Fig. 1, spiral agitator 103 is arranged in feed pipe 101, the material conveying as conveying oily sludge 2
Device can be used for oily sludge 2 or to oily sludge 2 and the work being added in oily sludge 2 simultaneously certainly
The additive that property charcoal will be perhaps described in detail to below is stirred so that active carbon or additive can be with oil-containings
Sludge 2 is transported to inside following horizontal cavitys 20 from the discharge end 101b of feed pipe 101 again after evenly mixing, micro- to carry out
Wave heating processing.In the present embodiment, as shown in Figure 1, the feed end 101a of feed pipe 101 is arranged in spiral agitator 103,
In some other embodiment, spiral agitator 103, which also can be set, is located at appointing for horizontal 20 exterior portion of cavity in feed pipe 101
Meaning suitable position.
Although being appreciated that in the present embodiment that spiral agitator 103 is arranged in feed pipe 101, in other implementations
In mode, spiral agitator 103 can also be separately provided, and the feed end of screw mixer Yu feed pipe 101 can be used for example
101a connection, to realize the conveying to raw material and stirring action.
Also need illustrate a bit, although the present embodiment using spiral agitator 103 as conveying oily sludge 2 or comprising
There is the device for transporting objects of the mixture of oily sludge 2, still, rotary propeller type stirring also can be used in some other embodiment
Device, turbine agitator, magnetic stirrer etc. substitute the spiral agitator 103 of the present embodiment as device for transporting objects or
Other power transmission mechanisms of arranging in pairs or groups also belong to the protection scope of the utility model as device for transporting objects, these replacements.
Certainly, it if in some other embodiment, does not need to oily sludge 2 or does not need to oily sludge 2 and addition
When being stirred to the substance in oily sludge 2, then this reality can also be replaced using other power transmission mechanisms (such as pump)
Apply the spiral agitator 103 in example.
The feed end 101a of feed pipe 101 can be directly connected to the pipeline etc. for transporting oily sludge 2, thus oily sludge
2 can enter the feed pipe 101 by the feed end 101a of feed pipe 101 and pass through under the stirring action of spiral agitator 103
The discharge end 101b for crossing the feed pipe 101 is transported in horizontal cavity 20.It continues to refer to figure 1, the feed end 101a of feed pipe 101
It can also be sealed by end cap 105, then open up one or more material inlet on the tube wall close to feed end 101a
101c is straight by materials such as oily sludge 2, active carbon or additives will pass through said one or multiple material inlet 101c
It connects and is transported in the groove of spiral agitator 103, be then stirred and convey in the rotation process of spiral agitator 103, most
The delivery end through feed pipe 101 conveys after oily sludge 2 or oily sludge 2 and active carbon or additive stir evenly at last
Into horizontal cavity 20, then by microwave heating treatment.
Horizontal cavity 20 includes cylindrical shell 201 and the cylindrical reactor 203 being arranged in cylindrical shell 201, the column
Shape reactor 203 can be rotated around its axis and its both ends for being located at axis is provided with opening.To crouch shown in Fig. 1
For formula cavity 20, the cylindrical reactor 203 being arranged in cylindrical shell 201 offers left end opening 203a and right-end openings
203b.Wherein, cylindrical reactor 203 be used for carry from the feed end 101a of feed pipe 101 input oily sludge 2 or comprising
There is the mixture of oily sludge 2, to carry out microwave heating treatment in the cylindrical reactor 203, cylindrical shell 201 is then by column
Shape reactor 203 seals, to avoid the leakage of microwave.In some alternative embodiments, the axis of cylindrical reactor 203
It is parallel to horizontal plane；In other optional embodiments, the axis of cylindrical reactor 203 favours horizontal plane, to make
Obtaining material can move toward the direction discharge port 201b under the effect of gravity, as shown in Figure 1.
With continued reference to Fig. 1, the left end of the cylindrical shell 201 of horizontal cavity 20 offers feed inlet 201a, cylindrical shell 201
Right end offer discharge port 201b, the top of cylindrical shell 201 offers the oil gas outflow separated for microwave heating
Oil gas vent 201c is also provided with the microwave feed-in mouth 201d passed through for waveguide 503 on cylindrical shell 201.It should be appreciated that one
In a little embodiments, horizontal cavity 20 can be the multimode cavity with a variety of microwave modes, in other embodiments,
Horizontal cavity 20 can be the Single-mode Resonator with single microwave mode, and those skilled in the art can select according to actual needs
Single-mode Resonator or multimode cavity are selected as horizontal cavity 20.
Need herein illustrate a bit, in the present embodiment cylindrical shell 201 and cylindrical reactor 203 it is merely meant that the two
Component has longer length in axis direction, the cylinder that both parts must be rule is not offered as, that is, outside column
The outer surface or inner surface of shell 201 and cylindrical reactor 203 may be designed to any appropriate shape.
The discharge end 101b of feed pipe 101 passes through the feed inlet 201a that is opened up of left end of cylindrical shell 201 and from column
The opening of 203 left end of reactor is extend into inside cylindrical reactor 203, and is turned right and extended a distance into, so that material is from discharging
End 101b can be fallen to completely in cylindrical reactor 203 after dropping out, and after microwave heating treatment, surplus materials is through column
The discharge port 201b of 201 right end of right-end openings and cylindrical shell of reactor 203 enters in discharge nozzle 301, to be discharged
To the outside of horizontal cavity 20.
Power mechanism 205 and cylindrical reactor 203 are sequentially connected, so as to drive the column by power mechanism 205
Reactor 203 is rotated around the axis of the cylindrical reactor 203 itself.It is appreciated that be sequentially connected with cylindrical reactor 203
Power mechanism 205 can be any prior art such as shaft transmission, gear drive, tape handler, chain-drive mechanism
In suitable transmission mechanism.
Optionally, discharge nozzle 301 can also be connected to waste material storage tank 303, so as to will by heat treatment after
Surplus materials is transported in waste material storage tank 303 through discharge nozzle 301 and stores, to avoid the pollution to environment, and can also
The surplus materials being stored in waste material storage tank 303 is subjected to recycling treatment and utilization in the follow-up process.
The oil gas separated after microwave heating treatment rises to the top of horizontal cavity 20 and the oil gas from top
Outlet 201c enters oil gas collection mechanism 40 and is collected for later use.Specifically, oil gas collection mechanism 40 is wrapped
Include condenser pipe 401 and condenser 403.Wherein, one end of condenser pipe 401 is connected to oil gas vent 201c, the other end and condenser
403 connections, the oil gas that microwave heating treatment is separated are introduced into condenser 403 and are cooled to liquid.It is appreciated that in order to
Liquid cooling in condenser 403 is collected, it is also an option that property the gas-liquid that one is connected to condenser 403 be set divide
From tank 405, so that liquid can be flowed into the knockout drum 405 from condenser 403.
Without oxygen in horizontal cavity 20 when further, in order to guarantee microwave heating treatment, or add to improve microwave
Be heat-treated the flow velocity of oil gas separated, it is also an option that property nitrogen storage tank 407 is set and in the upper of knockout drum 405
Portion opens up gas outlet.Nitrogen storage tank 407 is respectively with the air inlet 201e's and knockout drum 405 that are arranged on horizontal cavity 20
Gas outlet connection.Specifically, the nitrogen storage tank 407 passes through the air inlet opened up on admission line and the side wall 201 of horizontal cavity 20
Mouth 201e connection, the gas outlet of 405 storage tank 405 of knockout drum are connected to by reflux line with the nitrogen storage tank 407.In microwave
The going in horizontal cavity 20 of heat treatment, which is filled with nitrogen, to discharge the oxygen in horizontal cavity 20, and in microwave
Heating can also promote the effect of oil gas condensation by controlling the flow velocity of nitrogen during the processing.
In addition, in order to accelerate the flowing of gas, in condenser pipe 401 or connection condenser 403 and knockout drum 405
Blower 409 can also be set in pipeline, will be passed through in horizontal cavity 20 so as to pass through the suction of blower 409 or blow effect
The oil gas that microwave heating is separated introduces in condenser 403.Optionally, between oil gas vent 201c and condenser 403
It may be provided for the cyclone separator (not shown) for separating the solid particle in oil gas on condenser pipe 401,
Condenser 403 is blocked to avoid solid particle.It in some alternative embodiments, can also be in the pipe of oil gas collection mechanism 40
Road setting pressure gauge, such as pressure gauge is set on the pipeline of connection condenser 403 and knockout drum 405.Pass through setting
Pressure gauge can detect the oil gas that microwave heating treatment is isolated, to control entire technical process.Other can
In the embodiment of choosing, condenser 403 can also be arranged one or more for monitoring the thermometer of condensation temperature.
The microwave feed-in mouth 201d opened up on horizontal cavity 20 can be one or more, each microwave feed-in mouth
A waveguide 503 is equipped in 201d, so as to oily sludge 2 or include oily sludge 2 mixture carry out microwave
Heat treatment.The waveguide 503 can be any one in the hollow waveguide of rectangular waveguide 503 and circular waveguide 503 or other shapes
Kind.It should be appreciated that in order to enable distribution of the intensity in horizontal cavity 20 of microwave electromagnetic field than more consistent, when horizontal cavity 20
When a microwave feed-in mouth 201d is arranged, one end of cylindrical shell 201 is arranged in this microwave feed-in mouth 201d；When horizontal cavity
20 have multiple microwave feed-in mouth 201d when, radially uniform arrangement of these microwaves feed-in mouth 201d along cylindrical shell 201, example
Such as, one microwave feed-in mouth 201d can be respectively set in upper and lower part as shown in Figure 1.In addition, in order to avoid oil gas or
Solid particle enters in waveguide, the exit end (namely one end of microwave outgoing) of waveguide is provided with feed-in window, in the window
On be provided with the baffle being made by quartz or ceramics etc..
In the present embodiment, the microwave source 501 connecting with waveguide 503 can be one or more, in other words, can be with
Partial waveguide 503 uses the same microwave source 501, and being also possible to each waveguide 503 respectively has an individual microwave source 501.
Higher microwave treatment power can be obtained by the way that multiple microwave sources 501 are arranged, such as can be used as needed multiple
The microwave source of the 75kW or 100kW of 915MHz；Also the microwave source that the 10kW of one or more 2450MHz can be used is guaranteeing
Microwave is improved while treating capacity to the treatment effeciency of oily sludge 2.
In addition it is also necessary to illustrate a bit, feed pipe 101, discharge nozzle 301, waveguide 503 and condenser pipe 401 are logical
It crosses flange to be fixed on the cylindrical shell 201 of horizontal cavity 20, to guarantee the leakproofness of horizontal cavity 20, column is avoided to react
Outside microwave from leakage to horizontal cavity 20 in device 203.
The microwave processing equipment 1 of the present embodiment by being arranged spiral agitator 103 outside horizontal cavity 20, and leads to
The cooperation for crossing spiral agitator 103 and feed pipe 101 transports material to progress microwave heating treatment in horizontal cavity 20, thus
Avoid by spiral agitator 103 setting in the cavity portion when existing spiral agitator 103 work when can to microwave into
Row reflects to change the unstable problem of microwave field distribution caused by microwave field distribution, and anti-by column during heating
Device 203 is answered itself to be rotated, can enabling the oil gas separated, loss comes out from oily sludge 2 faster, after
And enters in oil gas collection mechanism 40 and carry out condensing recovery.It will be evident that since resonant cavity has been arrived in the setting of spiral agitator 103
Therefore outside is dismounted when spiral agitator 103 is repaired in dismounting without to horizontal cavity 20, so that the present embodiment
The maintenance of microwave processing equipment 1 is simple, convenient, efficient.
In addition, rotated since cylindrical reactor 203 is lasting in microwave heating process, it not only can be further
Change the microwave distribution in cylindrical reactor 203, so that the distribution of microwave is more uniform, so that in cylindrical reactor 203
The material heating in each place is also more uniform, and since mixture can rotate simultaneously with the rotation of cylindrical reactor 203
It conveys forward, while having partly or completely that material can be fallen down when turning to higher place, thus can also be into
One step mixes material, guarantees the uniformity of material mixing, and avoids material sticks in the inner wall of cylindrical reactor 203
On.
In the present embodiment, it can be improved by addition such as active carbon or the additive containing high molecular polymer micro-
Wave handles the de-oiling rate and treatment effeciency of oily sludge 2, so that the continuous treatment of oily sludge 2 is more efficient.For example, making
When carrying out continuous processing with above-mentioned microwave processing equipment 1 with oil-containing drilling wastes of the 500Kg/h to no any substance of addition,
The initial oil content of the drilling wastes is 25.5%, if microwave power is 75kW, frequency is 915MHz, by microwave heating
Content of organics in treated surplus material is 1.7%, and (is referred to when add 5% parts by weight in oil-containing drilling wastes
Account for the weight of mixture) active carbon, carry out microwave heating treatment using the same terms, the content of organics in surplus material is
0.8%.From the foregoing, it will be observed that the de-oiling rate of microwave heating treatment can be improved when adding active carbon in oily sludge 2.
But by the way that active carbon is added in oily sludge 2, it often will appear local mistake during microwave heating treatment
The phenomenon namely material of heat will appear hot spot, and the appearance of these hot spots will lead to the organic cracking in material and generate coke, raw
At coke increase the temperature at this further, or even there is vitrification phenomenon, then make the interior of cylindrical reactor
A large amount of coke is deposited on wall, so that the phenomenon that these deposition positions are always maintained at overheat in subsequent processes, seriously affects
The uniformity of microwave heating, and the service life of horizontal cavity 20 sharply declined.
In view of this, the present invention provides a kind of additive for being added in oil-containing solids waste, the additions
Agent includes the inorganic matter of the high molecular polymer of 1%~99% parts by weight and the solid-like of 1%~99% parts by weight,
In, inorganic matter is for inorganic salts and at one or more of salt oxide.When handling oil-containing solids waste, it is somebody's turn to do above-mentioned
Additive is uniformly mixed with oil-containing solids waste, is then fed into the cylindrical reactor of microwave heating equipment.By in oil-containing
Above-mentioned additive is uniformly blended into solid waste, it is proposed that so that the Microwave Power Density at mixture adds compared to no
Add the oil-containing solids waste of agent high, by experimental verification, highest can achieve 108W/m3(watt/cubic metre), additionally can be with
So that the even microwave distribution at mixture, so that the homogeneous heating of the mixture, avoids the hair of hot-spot phenomenon
Raw (namely the appearance for avoiding hot spot), then avoids in microwave heating process since hot spot occurs leading to organic matter pyrolysis institute
The coke of generation influences subsequent processes, so that the inner wall for not appearing in cylindrical reactor adheres to after microwave heating treatment
There is the problem of a large amount of coke, also avoids the possibility of damage microwave heating equipment 1.
In the present invention, high molecular polymer includes polysaccharide high molecular polymer, epoxy resin and phenolic resin
One or more of.In some alternative embodiments, it is poly- to can be glucan, sweet dew for polysaccharide high molecular polymer
One or more of sugar, starch and cellulose.Certainly, it can choose the height of any appropriate molecular weight in the present invention
Molecularly Imprinted Polymer, for example, can choose sale in the market measure biggish molecular weight be 1000~10000 alpha- glucan or
Starch that mannosan that person beta- glucan, molecular weight are 5000~10000, molecular weight are 10000 to 100000 and point
The phenolic resin that son measures the cellulose for 5000~100000, molecular weight is 500 to 1000.It needs to illustrate a bit, when selection
It is general to recommend selection polarity biggish at salt oxide (such as calcium oxide) and high score when the molecular weight of high molecular polymer is larger
Sub- polymer is collocated with each other, to be more conducive to improve material absorption microwave and convert microwave to the ability of thermal energy, even if also
Additive mixed with oil-containing solids waste after with higher Microwave Power Density and more evenly microwave distribution so that plus
Hot rate and heating uniformity are more preferable.In addition, then can choose epoxide number when containing epoxy resin in additive greater than 0.25
Epoxy resin, also can choose the big epoxide number of commercially available amount be 0.25~0.45 epoxy resin.In some optional implementations
In mode, the biggish epoxy resin of epoxide number can choose, it, can in inorganic component when the biggish epoxy resin of selection epoxide number
To match the higher substance of the dielectric constants such as titanium oxide, to improve the mixture after additive is mixed with oil-containing solids waste
The uniformity of Microwave Power Density and the microwave distribution of position, to improve the de-oiling rate of oil-containing solids waste, simultaneously
Avoid the generation of heating non-uniform phenomenon.
In the present invention, inorganic salts can be weak acid strong alkali salt, such as sodium phosphate, potassium phosphate, sodium metasilicate, silicic acid
The weak acid strong alkali salts such as potassium, sodium carbonate, sodium bicarbonate, hypochlorous acid acid sodium.It can be acidic oxide at salt oxide (such as to aoxidize
One or more of silicon and boron oxide), it is also possible in basic anhydride (such as iron oxide, magnesia and calcium oxide)
One or more can also be one or more of amphoteric oxide (such as aluminium oxide and titanium oxide), certainly, may be used also
To be basic anhydride, acidic oxide and amphoteric oxide wherein several mixture.In some alternative embodiments,
It can be with the weight ratio of each component of reasonably combined additive and each component, to make additive obtain reasonable dielectric constant
And dielectric loss, to improve the distributing homogeneity of microwave electromagnetic field and the heating efficiency of microwave.For example, can be in additive
Middle collocation higher titanium oxide of dielectric constant etc. is to improve the ability that additive absorbs microwave, thus when additive and oil-containing are solid
Body waste can make have microwave distribution more evenly at mixture after mixing, and avoid the production of heating non-uniform phenomenon
It is raw.
For example, high molecular polymer can be selected from polysaccharide high molecular polymer in the additive of the utility model,
One or more of epoxy resin and phenolic resin, inorganic matter can then be selected from strong base-weak acid salt, basic anhydride, acidity
One or more of oxide and amphoteric oxide.More specifically, high molecular polymerization in the additive of the utility model
Object can be selected from glucan, mannosan, starch, cellulose, in epoxy resin and phenolic resin any one or it is a variety of,
Inorganic matter can then be selected from iron oxide, calcium oxide, magnesia, silica, boron oxide, aluminium oxide, titanium oxide, sodium metasilicate and phosphoric acid
One or more of sodium.Such as in some alternative embodiments, high molecular polymer may include epoxy resin, especially
It is the higher epoxy resin of epoxide number and aliphatic epoxy resin, namely the carbon atom at selection epoxy group both ends is in centre
Position epoxy resin, to improve the dielectric loss of additive；Inorganic matter then may include titanium dioxide, by using epoxy
Resin and titanium dioxide can make additive have better dielectric constant and dielectric loss, absorb microwave energy and by microwave energy
It is converted into the ability enhancing of thermal energy, and microwave distribution can be made more uniform.
The power of microwave can be determining with application environment according to implementing to need in the present invention, such as can be
Any number of 0.5kW or more.In general, it can be carried out using 1kW, 3kW, 5kW or 15kW in small microwave heating
Heating for 200kW or can select bigger microwave power to be heated when treating capacity is big.The frequency of microwave heating can be with
For 300MHz~300GHz, but in order to avoid generating interference to satellite communication and radar, generally used in production process
915MHz and 2450MHz, it is to be understood that can be selected in 300MHz~300GHz in the case where taking certain shielding means
Other frequencies carry out microwave heating.
The utility model is specifically by the sample of 20g or so using ASTM D95 standard method measurement sample water content
Water and toluene are separated after product and the toluene mixing azeotropic of 100ml, to measure water content.Extracted using methylene chloride as described below
Follow the example of measurement sample oil content.
In the utility model, de-oiling rate v calculation method is as follows: after taking the unreacted substance of feed inlet and discharge port to react
Substance, using solvent-extracted method analyze in mixed material and residue oil percentage composition.
V=(a1/(100-s1-w1)-a2/(100-s1-w2))/a1/(100-s1-w1)
Wherein, v is de-oiling rate (weight), a1For the mass percentage (butt) of the oil in mixed material, a2It is micro-
The mass percentage (butt) of oil after Wave heating in surplus materials, s1 are the weight percent of the additive of addition, and w1 is
Water content before microwave treatment in sample, w2 are the water content of sample after microwave treatment.
In the present embodiment, following several additives can be used, it will be understood by those skilled in the art that being given below
Specific additive be only for example, rather than limitations of the present invention can be realized other of the utility model design
Additive is also included within the protection scope of the utility model.In other words, as long as in the substance added in oily sludge 2
Include 1%~99% parts by weight high molecular polymer and parts by weight be 1%~99% inorganic salts, at salt oxide
Or inorganic salts and the protection scope of the utility model is belonged at the combination of salt oxide.
Additive a:75% phenolic resin, 5% titanium oxide, 18% boron oxide and 2% aluminium oxide；
The mannosan of additive b:75%, 25% titanium oxide；
The cellulose of additive c:25%, 75% sodium phosphate；
Additive d:25% phenolic resin, 25% epoxy resin, 25% starch, 25% aluminium oxide；
Additive e:25% epoxy resin, 25% glucan, 20% silica, 10% iron oxide, 10% phosphorus
Sour sodium, 10% sodium metasilicate.
Additive f:1% glucan, 30% titanium oxide, 69% calcium oxide；
Additive g:75% phenolic resin, 24% glucan, 1% silica；
Additive h:50% glucan, 30% titanium oxide, 20% magnesia.
Specifically when preparing above-mentioned additive a to additive h, directly each component can be stirred, certainly,
In industrialized production or experiment, since additive needs to be uniformly mixed with oil-containing solids waste, accordingly it is also possible to directly will
Each component is added in oil-containing solids waste and stirs to obtain the mixture of additive and oil-containing solids waste.In addition, right
In the fewer additive of high molecular polymer dosage, such as above-mentioned additive f, first water can also be used high molecular polymer
After dissolution, high molecular polymer is impregnated into other components, high molecular polymer is evenly spread to other to realize
Moisture is then got rid of by modes such as drying or naturally dry, is finally made each in additive by the purpose in component
Component can be mixed uniformly, to improve the mixture of additive and oil-containing solids waste to the absorbability of microwave and make micro-
Wavelength-division cloth is more uniform.
The following table 1 be using above-mentioned microwave processing equipment 1 directly to oil-containing drilling wastes and respectively added with active carbon,
The result that is handled of oil-containing drilling wastes of additive a, additive b.Wherein, the treating capacity of microwave equipment is 500kg/h,
The oil content of oil-containing drilling wastes is 25.5%, water content 5.1%, density 2120kg/m3, the microwave power used is
The weight that 75kW, frequency 915MHz, additive a and additive b account for mixture is 5%.
Table 1
The following table 2 is using above-mentioned microwave processing equipment 1 directly to crude oil waste and respectively added with accounting for mixture weight
The active carbon of amount 5%, the additive a for accounting for mixture weight 5%, the oil-containing drilling well for the additive b for accounting for mixture weight 5% are discarded
The result that object is handled.Wherein, the treating capacity of microwave equipment is 500kg/h, and the oil content of crude oil waste is 25.0%, water
Content is 15.3%, density 1879kg/m3, the microwave power used is 75kW, frequency 915MHz.
Table 2
From Tables 1 and 2 it is found that by adding active carbon and additive provided in this embodiment, energy into oily sludge 2
Enough improve the de-oiling rate after microwave treatment.In addition, stating microwave processing equipment 1 in use to oil-containing drilling wastes or crude oil
After 120 hours of waste continuous processing, the oil gas separated in the microwave processing equipment 1 added with active carbon is due to micro-
Wave magnetic distribution is uneven and plasma phenomenon occurs, not only causes the reduction of oil gas, also creates microwave treatment mistake
The uncontrollability of journey, increases security risk；Meanwhile oily sludge can be unevenly distributed current situation due to microwave electromagnetic field
Portion's superheating phenomenon, to generate coke species, these coke species have part and are attached on the inner wall of horizontal cavity 20.
And added with after any additive provided in this embodiment, the microwave electromagnetic field distribution of microwave processing equipment 1 is more uniform, thus
So that coke species attachment is not had on the inner wall of horizontal cavity 20, while the density of electromagnetic field is higher, and also reduces
The plasma phenomenon of oil gas, that is, the heating of oily sludge is more equal added with after additive provided in this embodiment
It is even, to reduce the damage to microwave processing equipment 1, improve the service life of microwave processing equipment 1.
Finally, it should be noted that embodiment of above is only to illustrate the technical solution of the utility model, rather than to its into
Row limitation；Although detailed description, the common skill of this field has been carried out to the utility model referring to aforementioned embodiments
Art personnel are it is understood that it can still modify to technical solution documented by aforementioned embodiments, or to its middle part
Divide or all technical features are equivalently replaced；And these are modified or replaceed, and do not make the essence of corresponding technical solution de-
Range from the utility model embodiment technical solution.
Claims (10)
1. a kind of for handling the microwave processing equipment of oily sludge characterized by comprising feeding mechanism, horizontal cavity, oil
Gas collecting mechanism, discharge nozzle, microwave source and driving mechanism；
The feeding mechanism includes device for transporting objects and feed pipe, and the device for transporting objects is used for oily sludge and adds
Add agent to stir evenly and is transported to the discharge end of the feed pipe from the feed end of the feed pipe；
The horizontal cavity includes: cylindrical shell and the cylindrical reactor that is mounted in cylindrical shell, the cylindrical reactor
First end and second end end positioned at axial direction offers opening；
The first end of the cylindrical shell offers feed inlet, and the feed pipe passes through the feed inlet and reacts from the column
The opening of device first end is extend into the cylindrical reactor；
The second end of the cylindrical shell offers discharge port, and the discharge port is connected to the discharge nozzle；
Oil gas vent is offered at the top of the cylindrical shell, the oil gas collection mechanism is connected to the oil gas vent；
Microwave feed-in mouth is also provided on the cylindrical shell, the waveguide connecting with the microwave source passes through the microwave feed-in
Mouthful；
The driving mechanism and the cylindrical reactor are sequentially connected, for driving the cylindrical reactor to react around the column
The axis of device rotates.
2. microwave processing equipment according to claim 1, which is characterized in that
The device for transporting objects is spiral agitator.
3. microwave processing equipment according to claim 1, which is characterized in that the axis of the cylindrical reactor favours water
Plane.
4. microwave processing equipment according to claim 1, which is characterized in that further include waste material storage tank, the waste material is deposited
Storage tank is connected to the discharge nozzle.
5. microwave processing equipment according to claim 1-4, which is characterized in that the oil gas collection mechanism includes
Condenser and knockout drum；
The condenser is connected to by condensation pipe with the oil gas vent at the top of the cylindrical shell, by the cylindrical reactor
The oil gas inside separated is cooled to liquid；
The knockout drum is connected to the condenser, to store the liquid.
6. microwave processing equipment according to claim 5, which is characterized in that the oil gas collection mechanism further include: nitrogen
Storage tank；
Air inlet is also provided on the cylindrical shell, the air inlet is connected to by admission line with the nitrogen storage tank；
The top of the knockout drum is also provided with gas outlet, and the gas outlet is connected by reflux line and the nitrogen storage tank
It is logical.
7. microwave processing equipment according to claim 5, which is characterized in that be additionally provided with wind on the condensation pipe
Machine.
8. microwave processing equipment according to claim 5, which is characterized in that the condenser is provided with for detecting condensation
The thermometer of temperature.
9. microwave processing equipment according to claim 5, which is characterized in that be additionally provided with whirlwind on the condensation pipe
Separator.
10. microwave processing equipment according to claim 1-4, which is characterized in that the exit end of the waveguide is set
It is equipped with baffle.
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| CN108439766A (en) * | 2018-03-20 | 2018-08-24 | 中国石油大学(北京) | Handle the method and microwave processing equipment of oily sludge |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108439766A (en) * | 2018-03-20 | 2018-08-24 | 中国石油大学(北京) | Handle the method and microwave processing equipment of oily sludge |
| CN108439766B (en) * | 2018-03-20 | 2024-01-23 | 中国石油大学(北京) | Method for treating oily sludge |
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