CN214927347U - Garbage co-disposal equipment conforming to cement kiln process - Google Patents
Garbage co-disposal equipment conforming to cement kiln process Download PDFInfo
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- CN214927347U CN214927347U CN202120373819.8U CN202120373819U CN214927347U CN 214927347 U CN214927347 U CN 214927347U CN 202120373819 U CN202120373819 U CN 202120373819U CN 214927347 U CN214927347 U CN 214927347U
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Abstract
The utility model discloses a garbage co-processing device conforming to the cement kiln technology, which comprises a combustible pretreatment line and a kitchen remainder pretreatment line which are respectively connected with two discharge ports of a winnowing machine, wherein the combustible pretreatment line comprises a first-stage crusher, a combustible conveyor, a second-stage crusher and a combustible storage bin which are sequentially connected, the discharge port of the first-stage crusher and the feed port of the second-stage crusher are connected through the combustible conveyor, and the discharge port of the second-stage crusher is connected with the combustible storage bin; the kitchen waste pretreatment line comprises a kitchen waste conveyor, a horizontal filter press and a kitchen waste storage bin which are sequentially connected, wherein the outlet end of the kitchen waste conveyor is connected with the feeding port of the horizontal filter press, and the discharge port of the horizontal filter press is connected with the kitchen waste storage bin. The utility model has the advantages that: the combustible is crushed into fine particles in two stages, so that the subsequent combustion efficiency is improved; and the kitchen waste can be subjected to filter pressing, so that the water content of the kitchen waste is reduced.
Description
Technical Field
The utility model relates to a refuse handling installation technical field especially relates to a refuse co-processing equipment who accords with cement kiln technology.
Background
At present, various methods are adopted for treating municipal solid waste. Such as: landfill, compost, heat treatment, worm, feeding of municipal solid waste, bacterial digestion, water-borne, microwave treatment or classification recovery, comprehensive utilization, and the like. The main treatment methods are a landfill method, a composting method and a heat treatment method, wherein the cement kiln co-treatment method belongs to the heat treatment method.
In the prior art, the pretreatment mode of cement kiln co-processing for unsorted mixed type original ecological domestic garbage is as follows: the method comprises the steps of firstly, roughly crushing original ecological garbage through primary coarse crushing equipment, then carrying out air separation through an air separator, carrying out air separation through the air separator to separate two types of combustible materials and kitchen wastes, carrying out extrusion dehydration on the subsequent combustible materials through a compression device, conveying the extruded and dehydrated combustible materials to a combustible material bin through a belt, taking materials, metering, conveying the materials through the belt, feeding the materials into a decomposing furnace, burning the combustible materials at the high temperature of more than 880 ℃, keeping the materials for more than 6 seconds, and enabling ash generated by burning to enter a cement kiln along with the rest unburnt materials in the decomposing furnace to participate in the calcination of clinker under the high-temperature environment of 1450 ℃. The subsequent incombustible kitchen wastes enter a kitchen waste slow storage warehouse, are discharged by adopting a spiral reamer, are fed into a raw material mill after being metered, are mixed, dried and ground in the raw material mill together with the raw materials in the raw material mill, and the ground kitchen wastes enter a preheater, a decomposing furnace and a rotary kiln together with the raw materials and are incinerated at the high temperature of 1450 ℃ through 850 plus materials, so that ash generated by incineration becomes a component of cement clinker.
Because the urban domestic original ecological garbage is only subjected to the coarse crushing process, the coarsely crushed original ecological garbage contains a large amount of flexible long-strip-shaped garbage, the crushing granularity of combustible substances selected by wind is large, and the phenomena of easy agglomeration, insufficient combustion, even material collapse and the like exist in the subsequent combustion in a cement kiln decomposing furnace; and the problem of frequent hanging and blocking exists in the conveying process on the conveying line, which influences the normal conveying. The kitchen waste separated by wind has high water content, wherein the water mainly contains salts such as NaCl and the like, so that excessive ultrafine powder is easily generated when the salt-containing water enters a raw material mill and a roller press in the subsequent raw material preparation process, and the generated ultrafine powder is difficult to collect, so that the temperature of the preheater C1 is as high as 380 ℃; and the subsequent kiln system needs to consume the super large air quantity in order to evaporate the part of water, thereby greatly increasing the energy consumption of the fan.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the not enough of prior art, provide a rubbish that accords with cement kiln technology deals with in coordination and equips.
The utility model discloses a realize through following technical scheme:
a garbage co-processing device conforming to a cement kiln process comprises a combustible pretreatment line and a kitchen remainder pretreatment line which are respectively connected with two discharge ports of a winnowing machine, wherein the combustible pretreatment line comprises a first-stage crusher, a combustible conveyor, a second-stage crusher and a combustible storage bin which are sequentially connected, the discharge port of the first-stage crusher and the feed port of the second-stage crusher are connected through the combustible conveyor, and the discharge port of the second-stage crusher is connected with the combustible storage bin;
the kitchen waste pretreatment line comprises a kitchen waste conveyor, a horizontal filter press and a kitchen waste storage bin which are sequentially connected, wherein the outlet end of the kitchen waste conveyor is connected with the feeding port of the horizontal filter press, and the discharge port of the horizontal filter press is connected with the kitchen waste storage bin.
Further, the combustible material conveyer is including the first combustible material conveyer and the second combustible material conveyer that link up in proper order, the direction of delivery of first combustible material conveyer is along the fore-and-aft direction, the direction of delivery of second combustible material conveyer is all along left right direction, and the exit end of second combustible material conveyer is higher than the entry end, the entry end of first combustible material conveyer is located the discharge gate below of one-level breaker, the exit end of first combustible material conveyer is located the entry end top of second combustible material conveyer, the exit end of second combustible material conveyer is located the pan feeding mouth top of second grade breaker.
Further, the outlet end of the kitchen waste conveyor is higher than the inlet end.
Compared with the prior art, the utility model has the following advantages:
1. the utility model provides a rubbish coprocessing equipment that accords with cement kiln technology, it has increased the two-stage breaker in combustible substance preliminary treatment line, and the two-stage breaker carries out the two-stage breakage to the combustible substance, can tear up the combustible substance to tiny granule, and the combustible substance after the fine crushing can absorb the heat rapidly and reach the ignition point when follow-up entering cement kiln dore furnace, and the burning is abundant, the condition of collapsing can not appear, has really reached the efficiency of alternative fuel, reduction coal consumption; and the faults of hanging and blocking materials are greatly reduced in the follow-up conveying process of the finely-crushed combustible materials, and smooth conveying is ensured.
2. The utility model provides a rubbish coprocessing equipment that accords with cement kiln technology, it has increased horizontal pressure filter in kitchen waste preliminary treatment line, carries out the filter-pressing to the kitchen waste that water content is big through horizontal pressure filter, filters the moisture in the kitchen waste, has avoided on the one hand to contain salt moisture to form the superfine powder enrichment in getting into subsequent processes, leads to pre-heater C1 degree to reach 380 ℃ of harm; the other convenience also reduces the excess air quantity which needs to be consumed due to the evaporation of excessive garbage moisture, thereby achieving the purposes of energy conservation and consumption reduction.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Figure 2 is a top view of the combustible pretreatment line of the invention.
Reference numbers in the figures: 1, a first-level crusher; 2, a secondary crusher; 3 a first combustible conveyor; 4 a second combustible conveyor; 5 a kitchen waste conveyor; 6, horizontal filter press; 7 kitchen waste storage bin.
Detailed Description
The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Referring to fig. 1 and 2, the embodiment discloses a refuse co-processing equipment that accords with cement kiln technology, include combustible pretreatment line and kitchen remainder pretreatment line that are connected respectively with two discharge gates of air separator, combustible pretreatment line is including the one-level breaker 1 that links up in proper order, combustible conveyor, second grade breaker 2, combustible storage silo (not shown in the figure), link up through combustible conveyor between the discharge gate of one-level breaker 1 and the feed inlet of second grade breaker 2, the discharge gate and the combustible storage silo of second grade breaker 2 link up mutually. The primary crusher 1 and the secondary crusher 2 both adopt double-shaft crushers.
Wherein, the combustible substance conveyer is including the first combustible substance conveyer 3 and the second combustible substance conveyer 4 that link up in proper order, the direction of delivery of first combustible substance conveyer 3 is along the fore-and-aft direction, the direction of delivery of second combustible substance conveyer 4 is all along left right direction, and the exit end of second combustible substance conveyer 4 is higher than the entry end, the entry end of first combustible substance conveyer 3 is located one-level breaker 1's discharge gate below, the exit end of first combustible substance conveyer 3 is located the entry end top of second combustible substance conveyer 4, the exit end of second combustible substance conveyer 4 is located the pan feeding mouth top of second grade breaker 2.
The kitchen waste pretreatment line comprises a kitchen waste conveyor 5, a horizontal filter press 6 and a kitchen waste storage bin 7 which are sequentially connected, wherein the outlet end of the kitchen waste conveyor 5 is higher than the inlet end, the outlet end of the kitchen waste conveyor 5 is connected with the feeding port of the horizontal filter press 6, and the discharging port of the horizontal filter press 6 is connected with the kitchen waste storage bin 7.
During working, the original ecological garbage is firstly subjected to coarse crushing through a coarse crushing process, the garbage after the coarse crushing enters an air separator for air separation, combustible materials and kitchen waste are separated through the air separator, the combustible materials enter a combustible material pretreatment line for pretreatment, and the kitchen waste enters a kitchen waste pretreatment line for pretreatment. In the combustible pretreatment line, combustible firstly passes through a primary crusher 1 to be crushed, the combustible after the primary crushing is conveyed to a secondary crusher 2 through a first combustible conveyor 3 and a second combustible conveyor 4 in sequence, the combustible after the secondary crushing of the secondary crusher 2 enters a combustible storage bin to be temporarily stored, and the combustible is conveyed to a cement kiln decomposing furnace for decomposition by a conveying device subsequently. In the kitchen waste pretreatment line, kitchen waste is conveyed to a horizontal filter press 6 through a kitchen waste conveyor 5, the kitchen waste is subjected to filter pressing through the horizontal filter press 6, the filtered percolate is collected and enters a water treatment workshop for treatment, and the kitchen waste with low water content after filter pressing enters a kitchen waste storage bin 7 below for temporary storage.
This embodiment is through reforming transform the original ecological garbage production line, two-stage breaker and horizontal pressure filter 6 have been increased, make combustible refuse granule drop to 50-100mm, kitchen remainder moisture reduces to 40%, combustion efficiency after the combustible material goes into the stove has been promoted, and the moisture content in the kitchen remainder has been reduced, the follow-up production superfine powder that produces when getting into raw materials mill and roll squeezer of kitchen remainder has effectively been reduced, and reduced because the too much rubbish moisture of evaporation and the excessive amount of wind that needs to consume, and then reached energy saving and consumption reduction's purpose.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (3)
1. The utility model provides a rubbish that accords with cement kiln technology is dealt with in coordination is equipped, includes combustible substance preliminary treatment line and kitchen remainder preliminary treatment line that are connected respectively with two discharge gates of air separator, its characterized in that: the combustible pretreatment line comprises a first-stage crusher, a combustible conveyor, a second-stage crusher and a combustible storage bin which are sequentially connected, wherein a discharge port of the first-stage crusher is connected with a feed port of the second-stage crusher through the combustible conveyor, and a discharge port of the second-stage crusher is connected with the combustible storage bin;
the kitchen waste pretreatment line comprises a kitchen waste conveyor, a horizontal filter press and a kitchen waste storage bin which are sequentially connected, wherein the outlet end of the kitchen waste conveyor is connected with the feeding port of the horizontal filter press, and the discharge port of the horizontal filter press is connected with the kitchen waste storage bin.
2. The cement kiln process compliant co-disposal of waste as recited in claim 1, further comprising: the combustible material conveyer is including the first combustible material conveyer and the second combustible material conveyer that link up in proper order, the direction of delivery of first combustible material conveyer is along the fore-and-aft direction, the direction of delivery of second combustible material conveyer is all along left right direction, and the exit end of second combustible material conveyer is higher than the entry end, the entry end of first combustible material conveyer is located the discharge gate below of one-level breaker, the exit end of first combustible material conveyer is located the entry end top of second combustible material conveyer, the exit end of second combustible material conveyer is located the pan feeding mouth top of second grade breaker.
3. The cement kiln process compliant co-disposal of waste as recited in claim 1, further comprising: the outlet end of the kitchen waste conveyor is higher than the inlet end.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120373819.8U CN214927347U (en) | 2021-02-08 | 2021-02-08 | Garbage co-disposal equipment conforming to cement kiln process |
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| CN202120373819.8U CN214927347U (en) | 2021-02-08 | 2021-02-08 | Garbage co-disposal equipment conforming to cement kiln process |
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| CN214927347U true CN214927347U (en) | 2021-11-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114472463A (en) * | 2021-12-29 | 2022-05-13 | 中材国际环境工程（北京）有限公司 | System for cooperatively treating kitchen waste by using cement kiln and treatment method thereof |
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2021
- 2021-02-08 CN CN202120373819.8U patent/CN214927347U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114472463A (en) * | 2021-12-29 | 2022-05-13 | 中材国际环境工程（北京）有限公司 | System for cooperatively treating kitchen waste by using cement kiln and treatment method thereof |
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