CN102060452B - Incinerator bottom slag treatment system and method - Google Patents
Incinerator bottom slag treatment system and method Download PDFInfo
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- CN102060452B CN102060452B CN 200910224579 CN200910224579A CN102060452B CN 102060452 B CN102060452 B CN 102060452B CN 200910224579 CN200910224579 CN 200910224579 CN 200910224579 A CN200910224579 A CN 200910224579A CN 102060452 B CN102060452 B CN 102060452B
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Abstract
The invention provides an incinerator bottom slag treatment system and method. The incinerator bottom slag treatment system mainly comprises a vibrating coarse screening machine, a tumbler screening machine, a wet screening machine, a sand washing maching, a mud-sand separator, a magnetic separator, an eddy current separator, a stone breaker, a filter press and conveyer belts and other devices used for conveying bottom slag to each machine or tool. After screened and treated by the bottom slag treatment system provided by the invention, the incinerator bottom slag with complex composition can be converted to aggregate which has equal particle size and is suitable for engineering, thus the environment can be protected, the earth can be protected, and recycling can be achieved to increase the economic benefit.
Description
Technical field
The invention relates to and a kind ofly incinerator bottom slag can be done more effective processing, with the end slag disposal system of the maximizing the benefits of incinerator bottom slag recycling.The present invention is also relevant for a kind of incinerator bottom slag treatment process.
Background technology
Refuse treatment is the great environment problem that mankind's intense industrialization and urbanization face afterwards.In numerous trash processing way, being processed after first with incinerator, incineration firing being incinerated is at present wide adopted a kind of trash processing way again.Burn treating refuse to have at least following several benefit with incinerator: (1) rubbish can reduce the volume of rubbish after incinerating through burning significantly; (2) contained in rubbish have the material of harm to burn by incineration to environment to be removed; (3) burning of incinerator is to implement under the environment of controlling, and its emission gases also is subject to suitable monitoring and processing, can reduce the harm to human body; And the recyclable recycling of end slag after (4) burning, to improve the economic benefit of refuse treatment.
Traditionally, slag processing in the end is divided into haply dual mode and implements: direct screening mode, and dry screening mode.When collection end slag from incinerator, usually all can reduce the generation that end slag is collected flue dust between operational period on the one hand to the watering of end slag, also can do suitable cooling to end slag on the other hand.Yet this watering operation meeting causes the indefinite situation of end slag ingredient water content.In traditional direct Screening Treatment, do not processed for the end indefinite problem of slag water content, but directly screened operation, although the cost that this kind processing mode is processed is lower, but also can produce some shortcomings, for example, the stink of end slag remakes into very much the user to be disliked; Wayward and the screening of end slag water content not exclusively, the aggregate particle diameter can't be distinguished, and causes the efficiency of separation low, so limited process after finished product can be for the purposes of recycling etc. shortcoming.In dry Screening Treatment, in order to solve the indefinite problem of end slag water content, adopted fiery roasting mode that the moisture of end slag is got rid of fully.Yet this kind processing mode can produce and too consume the energy and the too high shortcoming of processing cost.
Because the problems referred to above that slag of the existing end is processed exist demand at incinerator bottom slag finishing sector bound pair in end slag treatment facility and the method for the shortcoming that can solve above-mentioned tradition end slag treatment facility and method.
Summary of the invention
One of purpose of the present invention is for providing a kind of incinerator bottom slag treatment system, and this system comprises: oscillatory type scalping device is used for the preliminary screening of end slag as greater than the end slag of the first particle diameter and less than the end slag of the first particle diameter; The postsearch screening device, be used for less than the end slag of the first particle diameter further screening for greater than the end slag of the second particle diameter and less than the end slag of the second particle diameter; The wet separation device is used for the end ballast screen less than the second particle diameter is divided into greater than the end slag of the 3rd particle diameter and less than the end slag of the 3rd particle diameter; Wash husky device, be used for and get rid of less than the sandy composition in the end slag of the 3rd particle diameter; Silt separation apparatus is used for and will gets rid of through washing in the end slag after husky the processing residual silt composition; Filter-pressing device is used for and will filters out through the moisture content in the end slag of silt separating treatment, to obtain particle diameter less than the engineering of the 3rd particle diameter aggregate finished product; The first electromagnetic separation device is used for ferrous material is sorted out from the end slag greater than the second particle diameter; The second electromagnetic separation device is used for ferrous material is sorted out from the end slag greater than the 3rd particle diameter; The eddy current separation device is used for non-ferrous metal is sorted out from the end slag of processing through the second electromagnetic separation device, to obtain particle diameter greater than the engineering of the 3rd particle diameter aggregate finished product; Lithotripsy apparatus is used for and will becomes end slag less than the second particle diameter greater than the first particle diameter and greater than the end slag size degradation of the second particle diameter, carries out wet separation and processes in order to being recycled to this wet separation device; And transporter, be used for end slag is transported between each device.
According to one embodiment of the invention, this postsearch screening device is a tromeling machine, it comprises on its perisporium of a trommel screen and offers the sieve aperture that a plurality of apertures approximate the second particle diameter, its two ends that are arranged on this trommel screen of a plurality of driving rolls are used for supporting and the rotary drum sieve, and wherein, this trommel screen is configured to and horizontal plane folder one angle, makes an end of trommel screen higher than the other end.
This wet separation device is a wet type sifting machine, it comprises on its perisporium of trommel screen that is configured to horizontal plane folder one angle and offers the sieve aperture that a plurality of apertures approximate the 3rd particle diameter, its two ends that are arranged on this trommel screen of a plurality of driving rolls are used for supporting and the rotary drum sieve, and a watering unit its comprise a water pump and a sprinkler pipe its end by this trommel screen stretches in this trommel screen and has a plurality of water sprayering holes and is opened on the sprinkler pipe tube wall that is positioned at this trommel screen by this water pump.This transporter is conveying belt.
Another purpose of invention is for providing slag treatment process of a kind of end, and this method comprises: the prescreen step is used for end ballast screen choosing is divided into greater than the first particle diameter and less than the end slag of the first particle diameter; The postsearch screening step is used for the end ballast screen choosing less than the first particle diameter is divided into greater than the end slag of the second particle diameter and less than the end slag of the second particle diameter; Wet type wet concentration step is used for the end ballast screen choosing less than the second particle diameter is divided into greater than the end slag of the 3rd particle diameter and less than the end slag of the 3rd particle diameter; The first electromagnetic separation step is used for ferrous metal is sorted out from the end slag greater than the second particle diameter; The size degradation step is used for the end slag size degradation greater than the second particle diameter greater than in the end slag of the first particle diameter and postsearch screening step in the prescreen step is become less than the end slag of the second particle diameter and delivers to this wet type wet concentration step; The second electromagnetic separation step is used for ferrous metal is sorted out from the end slag greater than the 3rd particle diameter; The eddy current separation step is used for the non-ferrous metal thing is sorted out from the end slag of crossing through this second electromagnetic separation step process, uses obtaining particle diameter greater than the coarse aggregate finished product of the 3rd particle diameter; Wash husky step, be used for and get rid of less than the sandy composition in the end slag of the 3rd particle diameter; The silt separating step is used for and will gets rid of through washing in the end slag after husky the processing residual silt composition; The press filtration step is used for and will filters out through the moisture content in the end slag of silt separating treatment, uses obtaining particle diameter less than the thin aggregate finished product of the 3rd particle diameter.
According to one embodiment of the invention, this postsearch screening step is to implement with the tromeling machine, this tromeling machine comprises on its perisporium of a trommel screen and offers the sieve aperture that a plurality of apertures approximate the second particle diameter, its two ends that are arranged on this trommel screen of a plurality of driving rolls are used for supporting and the rotary drum sieve, and wherein, this trommel screen is configured to and horizontal plane folder one angle, makes an end of trommel screen higher than the other end.
This wet type wet concentration step is to implement with the wet type sifting machine, this wet type sifting machine comprises on its perisporium of trommel screen that is configured to level folder one angle and offers the sieve aperture that a plurality of apertures approximate the 3rd particle diameter, its two ends that are arranged on this trommel screen of a plurality of driving rolls are used for supporting and the rotary drum sieve, and a watering unit its comprise a water pump and a sprinkler pipe its end by this trommel screen stretches in this trommel screen and has a plurality of water sprayering holes and is opened on the sprinkler pipe tube wall that is positioned at this trommel screen by this water pump.
Further feature of the present invention and advantage can be from below with reference to obtaining clearer and concrete understanding the detailed description of accompanying drawing illustrated embodiment.
Description of drawings
The present invention can be by describing in detail with reference to the one exemplary embodiment of accompanying drawing and easier quilt is understood, wherein identical assembly is marked by identical label, these embodiment are suggested just purpose as an example, are not the present invention to be confined to these exemplary embodiment.
Fig. 1 is the schematic diagram of incinerator bottom slag treatment system of the present invention.
Fig. 2 a and 2b are respectively schematic front view and the side-view of the tromeling machine of incinerator bottom slag treatment system of the present invention.
Fig. 3 is the schematic diagram of the magnetic separator of incinerator bottom slag treatment system of the present invention.
Fig. 4 is the schematic diagram of cut-away section of the wet type sifting machine of incinerator bottom slag treatment system of the present invention.
Fig. 5 is a schema, and it shows the key step of incinerator bottom slag treatment process of the present invention.
Embodiment
Refer now to Fig. 1 the present invention's incinerator bottom slag treatment system 1 is described to embodiment shown in Figure 4.
Fig. 1 is that its demonstration of a schematic diagram is according to the incinerator bottom slag treatment system 1 of one embodiment of the invention.This system 1 mainly comprises the devices such as oscillatory type scalping machine 10, tromeling machine 20, electromagnetic separator 30, secondary electric magnetic separator 30 ', stoning machine 40, wet type sifting machine 50, eddy current separator 60, sand washer 70, silt separating machine 80 and pressure filter 90.
Oscillatory type scalping machine 10 mainly comprises plane vibration formula scalping grid 11 and is provided with a plurality of sieve apertures on it, its diameter equal the first particle diameter (as, 75mm), be used for the incinerator bottom slag through maturation process is carried out preliminary screening.Export and be transported to tromeling machine 20 by conveying belt from the first discharge port 12 by the end slag of these scalping grid and carry out the postsearch screening processing.And, fail to discharge and deliver to stoning machine 40 by conveying belt from the second discharge port 14 by the end slag of scalping grid to smash operation.
As shown in Fig. 2 a and Fig. 2 b, tromeling machine 20 mainly comprises on trommel screen 21 its perisporiums and offers a plurality of sieve apertures 22, its diameter equal the second particle diameter (as, 19mm), a plurality of driving rolls 23 its two ends that are arranged on this trommel screen 21 are used for supporting and rotary drum sieve 21, and a bracing frame 24 is used for supporting this driving rolls 23.This cylinder 21 be configured to horizontal plane at angle, make an end of trommel screen 21 higher than the other end.End slag from this oscillatory type scalping machine 10 is admitted to trommel screen 21 to carry out the postsearch screening operation from the higher end of trommel screen 21.Usually, it is less that size of mesh used is processed in end slag postsearch screening, therefore the blocked situation of sieve aperture often can occur in traditional plane formula vibrating screener, causes the shortcomings such as the poor and essential often shutdown of efficiency of separation cleaning.And tromeling machine 20 of the present invention is that the mode of rolling is screened end slag, and the kinetic energy when increase end slag is processed allows end slag be difficult for blocking sieve aperture, uses the above-mentioned shortcoming that solves traditional oscillatory type design.After trommel screen 21 screening, drop and drop down onto on conveying belt through plate 26 guiding of gathering materials from sieve aperture 22 less than the end slag of 19mm, carry out dusting cover and process to be transported to wet type sifting machine 50.And,, further process to be transported to electromagnetic separator 30 from lower one the making a clean sweep of and drop down onto on another conveying belt of trommel screen 21 greater than the end slag of 19mm.
40 pairs of this stoning machine implement to smash operation from oscillatory type scalping machine 10 and the end slag of electromagnetic separator 30, in order to will become greater than the end slag size degradation of 19mm the end slag less than 19mm.The end slag of process stoning machine size degradation returns to this tromeling machine 20 by conveying belt and screens.This stoning machine 40 can be any general commercially available stoning machine kind.
as shown in Figure 4, being used for this wet type sifting machine 50 that wet separation processes mainly comprises on trommel screen 51 its perisporiums that are configured to horizontal plane folder one angle and offers a plurality of sieve apertures 52, its diameter equal the 3rd particle diameter (as, 4.75mm), driving rolls 53 its two ends that are arranged on this trommel screen 51 are used for supporting and rotary drum sieve 51, and one the watering unit its comprise a water pump 54 and a sprinkler pipe 55 its end by this trommel screen 51 stretches into this trommel screen 51 and the part of this sprinkler pipe 55 in trommel screen 51 offers a plurality of water sprayering holes in order to the end slag in trommel screen 51 is sprinkled water equably from this water pump 54, use and implement washing wet type screening operation.After processing through wet separation, be mixed in silt in end slag by tape transport to sand washer 70 and silt separating machine 80 with removal less than the end slag of 4.75mm, then be delivered to pressure filter 90 in order to the moisture content press filtration in end slag out, to obtain particle diameter less than the thin aggregate finished product of 4.75mm.Sand washer 70 used herein, silt separating machine 80 and pressure filter 90 can use general traditional sand washer, silt separating machine and pressure filter.
In addition, after processing through wet separation, greater than the end slag of 4.75mm by tape transport to secondary electric magnetic separator 30 ' to sub-elect the material of ferrous metal class.This secondary electric magnetic separator 30 ' is similar to this electromagnetic separator 30, and therefore, its structure will repeat no more.
After the 30 ' sorting of secondary electric magnetic separator, the end slag of iron content is not transported to eddy current separator 60 to carry out the separation operation of non-ferrous metal through conveying belt.This eddy current separator 60 is to utilize magnetic field to change equipment with non-ferrous metal and other feed separation.The eddy current flowing-path must be closed curve, and its flow direction is parallel with the coil winding direction, with the alternating magnetic field perpendicular direction and be reverse direction with the change of flux of alternating current and flow, so its frequency is identical with the frequency of alternating-current.Can induction excite the object of eddy current must belong to the conductor that can conduct electricity.Utilize this principle metals such as comprising aluminium, copper, stainless steel can be sorted out from end slag, to improve recovery value and to reduce secondary pollution.
End slag after eddy current separator 60 sortings can obtain particle diameter greater than the coarse aggregate finished product of 4.75mm through selection by winnowing, vibratory screening and after manually examining processing such as picking up plastic component again.
Next, the step of the present invention's incinerator bottom slag treatment process 100 is described with reference to Fig. 5.
Step S101 is a prescreen step, is divided into greater than the first particle diameter (as, end slag 75mm) and end slag less than the first particle diameter through the incinerator bottom slag of maturation process is screened in this step.Afterwards, be sent to step S102 less than the end slag of the first particle diameter and be for further processing, be sent to step S104 greater than the end slag of the first particle diameter.Step S102 is the postsearch screening step, in this step, use the end slag less than the first particle diameter that revolving drum type screening machine will filter out in step S101 to do further Screening Treatment, to filter out greater than the second particle diameter (as, end slag 19mm) and less than the end slag of the second particle diameter.Then, be sent to step S103 less than the end slag of the second particle diameter and be for further processing, be sent to step S105 greater than the end slag of the second particle diameter.Step S104 one smashes treatment step, and in this step, end slag is become end slag less than the second particle diameter by size degradation, then is sent to step S103 and carries out subsequent disposal.
Step S103 is a wet type wet concentration step.With traditional direct treatment process and dry treatment method differently, in the method for the invention, this step is by sprinkling water equably to implement the wet type Screening Treatment to end slag, to filter out greater than the 3rd particle diameter (as, end slag 4.75mm) and less than the end slag of the 3rd particle diameter.Afterwards, be sent to step S106 greater than the end slag of the 3rd particle diameter, be sent to step S107 less than the end slag of the 3rd particle diameter.The benefit of the present invention's wet type screening is the stink of used water removal end slag not only, can also get rid of the composition that corrosive nature is arranged for reinforcing bar in end slag, for example chlorion.
Step S105 is an electromagnetic separation step, and in this step, the mode of utilizing magnetic greater than the ferrous metal in the end slag of the second particle diameter is out screened and be sent in the ferrous metal accumulator tank and recycled from end slag.After electromagnetic separation, remaining end slag is sent to step S108 and in the mode of artificial separation, plastics materials in end slag and non-ferrous metal material is chosen to plastics recovery groove and non-ferrous metal material recycle groove and reclaimed.Remaining end slag is sent to step S104 and smashes processing after artificial separation.
Be sent to step S106 greater than the end slag of the 3rd particle diameter and process in order to implement the secondary electric magnetic separation, in this step, ferrous metal is sorted out from end slag by magnetic attraction and is sent in ferrous metal material recycle groove and recycled.Be sent to step S109 through the end slag after electromagnetic separation.Step S109 is an eddy current separation step, and in this step, the non-ferrous metal material can be responded to by conductive object the principle that excites eddy current and be sorted out from end slag and be sent to non-ferrous metal object accumulator tank and recycled.Can obtain the coarse aggregate finished product through selection by winnowing, vibratory screening and after manually picking up waste plastic mixture again through the end slag after eddy current separation.
Be sent to step S107 through the end slag less than the 3rd particle diameter after the wet type Screening Treatment of step S103 and wash husky the processing, then deliver to step S110 and carry out the silt separating treatment, deliver at last step S111 and carry out the press filtration processing, after getting rid of the moisture content in end slag, can obtain thin aggregate finished product.
No matter what obtain with incinerator bottom slag treatment process of the present invention is that coarse aggregate finished product or thin aggregate finished product all have the good engineering properties such as aggregate size uniformity, light weight, low density, high water-permeability and high-bearing capacity, similar to coal bottom ash or natural gravel (GP) material, be suitable as the engineering materials such as road basement material and pitch addition material.
One of characteristic of incinerator bottom slag treatment system of the present invention and method is to implement with the tromeling machine postsearch screening operation of end slag; kinetic energy when processing to utilize the mode of rolling to increase end slag; allow end slag be difficult for blocking sieve aperture; reduce the stop time of cleaning sieve aperture, use the efficient that significantly improves end ballast screen choosing.Another characteristic of the present invention removes the stink of end slag for to screen to process end slag with wet type by end slag is sprinkled water equably, and material that can corrosion reinforcing bar in slag at the bottom of stripping (as, chlorion), to improve the practicality of aggregate finished product.
Although in above being illustrated with reference to preferred embodiment shown in the drawings, this does not represent that the present invention reaches structure and the operation shown in accompanying drawing described in only being confined to above for incinerator bottom slag treatment system of the present invention and method.In fact, under the principle and spirit of disclosure above institute teaching, the present invention can have various modification and variation.For example, in the above embodiments, the quantity of the various facility that system of the present invention comprises all is illustrated take one as example, but processes energy or in order to improve ferrous metal and non-ferrous metal clearance in order to increase, can be simultaneously will a plurality of various facility in parallel or series connection use.Again, although use in the above-described embodiment specific aperture size as example be illustrated (as, the first particle diameter 75mm, the second particle diameter 19mm, the 3rd particle diameter 4.75mm), in order to adapt to the required of various finished product grain size, also can select other particle diameter, aperture.The modification that all these are possible and changing in the true scope of the present invention that the claims all drop on the application define.
Claims (8)
1. incinerator bottom slag treatment system comprises:
Oscillatory type scalping device is used for the preliminary screening of end slag as greater than the end slag of the first particle diameter and less than the end slag of the first particle diameter;
The postsearch screening device, be used for less than the end slag of the first particle diameter further screening for greater than the end slag of the second particle diameter and less than the end slag of the second particle diameter;
The wet separation device is used for the end ballast screen less than the second particle diameter is divided into greater than the end slag of the 3rd particle diameter and less than the end slag of the 3rd particle diameter;
Wash husky device, be used for and get rid of less than the sandy composition in the end slag of the 3rd particle diameter;
Silt separation apparatus is used for and will gets rid of through washing in the end slag after husky the processing residual silt composition;
Filter-pressing device is used for and will filters out through the moisture content in the end slag of silt separating treatment, to obtain particle diameter less than the engineering of the 3rd particle diameter aggregate finished product;
The first electromagnetic separation device is used for ferrous material is sorted out from the end slag greater than the second particle diameter;
The second electromagnetic separation device is used for ferrous material is sorted out from the end slag greater than the 3rd particle diameter;
The eddy current separation device is used for non-ferrous metal is sorted out from the end slag of processing through the second electromagnetic separation device, to obtain particle diameter greater than the engineering of the 3rd particle diameter aggregate finished product;
Lithotripsy apparatus is used for and will becomes end slag less than the second particle diameter greater than the first particle diameter and greater than the end slag size degradation of the second particle diameter, carries out wet separation and processes in order to being recycled to this wet separation device; And
Transporter is used for end slag is transported between each device.
2. incinerator bottom slag treatment system as claimed in claim 1, it is characterized in that, this postsearch screening device is a tromeling machine, it comprises on its perisporium of a trommel screen and offers the sieve aperture that a plurality of apertures approximate the second particle diameter, its two ends that are arranged on this trommel screen of a plurality of driving rolls are used for supporting and the rotary drum sieve, and wherein, this trommel screen is configured to and horizontal plane folder one angle, makes an end of trommel screen higher than the other end.
3. incinerator bottom slag treatment system as claimed in claim 1, it is characterized in that, this wet separation device is a wet type sifting machine, it comprises a trommel screen that is configured to horizontal plane folder one angle, offer the sieve aperture that a plurality of apertures approximate the 3rd particle diameter on the perisporium of this trommel screen, the two ends that a plurality of driving rolls are arranged on this trommel screen are used for supporting and the rotary drum sieve, and one the watering unit, this watering unit comprises a water pump and a sprinkler pipe, an end by this trommel screen stretches in this trommel screen and has a plurality of water sprayering holes and is opened on the sprinkler pipe tube wall that is positioned at this trommel screen this sprinkler pipe by this water pump.
4. incinerator bottom slag treatment system as claimed in claim 1, is characterized in that, this transporter is conveying belt.
5. incinerator bottom slag treatment process comprises:
The prescreen step is used for end ballast screen choosing is divided into greater than the first particle diameter and less than the end slag of the first particle diameter;
The postsearch screening step is used for the end ballast screen choosing less than the first particle diameter is divided into greater than the end slag of the second particle diameter and less than the end slag of the second particle diameter;
Wet type wet concentration step is used for the end ballast screen choosing less than the second particle diameter is divided into greater than the end slag of the 3rd particle diameter and less than the end slag of the 3rd particle diameter;
The first electromagnetic separation step is used for ferrous metal is sorted out from the end slag greater than the second particle diameter;
The size degradation step is used for the end slag size degradation greater than the second particle diameter greater than in the end slag of the first particle diameter and postsearch screening step in the prescreen step is become less than the end slag of the second particle diameter and delivers to this wet type wet concentration step;
The second electromagnetic separation step is used for ferrous metal is sorted out from the end slag greater than the 3rd particle diameter;
The eddy current separation step is used for the non-ferrous metal thing is sorted out from the end slag of crossing through this second electromagnetic separation step process, uses obtaining particle diameter greater than the coarse aggregate finished product of the 3rd particle diameter;
Wash husky step, be used for and get rid of less than the sandy composition in the end slag of the 3rd particle diameter;
The silt separating step is used for and will gets rid of through washing in the end slag after husky the processing residual silt composition;
The press filtration step is used for and will filters out through the moisture content in the end slag of silt separating treatment, uses obtaining particle diameter less than the thin aggregate finished product of the 3rd particle diameter.
6. as the incinerator bottom slag treatment process of claim 5, it is characterized in that, this postsearch screening step is to implement with the tromeling machine, this tromeling machine comprises on its perisporium of a trommel screen and offers the sieve aperture that a plurality of apertures approximate the second particle diameter, its two ends that are arranged on this trommel screen of a plurality of driving rolls are used for supporting and the rotary drum sieve, and wherein, this trommel screen is configured to and horizontal plane folder one angle, makes an end of trommel screen higher than the other end.
7. incinerator bottom slag treatment process as described in claim 5 or 6, it is characterized in that, this wet type wet concentration step is to implement with the wet type sifting machine, this wet type sifting machine comprises a trommel screen that is configured to level folder one angle, offer the sieve aperture that a plurality of apertures approximate the 3rd particle diameter on the perisporium of this trommel screen, the two ends that a plurality of driving rolls are arranged on this trommel screen are used for supporting and the rotary drum sieve, and one the watering unit, this watering unit comprises a water pump and a sprinkler pipe, an end by this trommel screen stretches in this trommel screen and has a plurality of water sprayering holes and is opened on the sprinkler pipe tube wall that is positioned at this trommel screen this sprinkler pipe by this water pump.
8. incinerator bottom slag treatment process as claimed in claim 5, is characterized in that, after this eddy current separation step, and the step that also comprises selection by winnowing, vibratory screening and manually pick up.
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| CN108500028A (en) * | 2018-01-30 | 2018-09-07 | 苏州锳泽投资管理中心（有限合伙） | A kind of processing method of biomass direct combustion power generation bottom ash |
| CN108856237A (en) * | 2018-05-03 | 2018-11-23 | 苏州锳泽投资管理中心（有限合伙） | A kind of biomass direct combustion power generation bottom ash treatment method and processing system |
| CN108751840A (en) * | 2018-05-25 | 2018-11-06 | 邓立科 | The treatment process of clinker and the concrete prepared using the clinker |
| CN109678396A (en) * | 2019-01-16 | 2019-04-26 | 上海市市政规划设计研究院有限公司 | Asphalt and its mixing proportion design method |
| CN112221712B (en) * | 2020-09-19 | 2021-07-06 | 常州市从江再生资源利用有限公司 | Production system for recovering metal from household garbage incinerator slag |
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| CN1586745A (en) * | 2004-09-16 | 2005-03-02 | 上海寰保渣业处置有限公司 | Process for producing life garbage incinerator slag aggregate |
| CN101575183A (en) * | 2008-05-09 | 2009-11-11 | 国宾大地环保事业股份有限公司 | Processing method of incinerated flying ash |
| CN101574681A (en) * | 2008-05-09 | 2009-11-11 | 国宾大地环保事业股份有限公司 | Incinerated bottom slag washing procedure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1586745A (en) * | 2004-09-16 | 2005-03-02 | 上海寰保渣业处置有限公司 | Process for producing life garbage incinerator slag aggregate |
| CN101575183A (en) * | 2008-05-09 | 2009-11-11 | 国宾大地环保事业股份有限公司 | Processing method of incinerated flying ash |
| CN101574681A (en) * | 2008-05-09 | 2009-11-11 | 国宾大地环保事业股份有限公司 | Incinerated bottom slag washing procedure |
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