CN209741014U - System for be used for cement production behind with discarded object branch matter - Google Patents

Abstract

the utility model discloses a system for be used for cement manufacture behind discarded object branch matter. The system comprises a screening machine, a feeding port of the screening machine is communicated with a waste collection room, a first discharging port of the screening machine is communicated with a feeding port of a gasification furnace, a gas outlet of the gasification furnace is communicated with a high-temperature flue gas inlet of a decomposition furnace, a discharging port of the gasification furnace is communicated with a feeding port of a batching system, and a second discharging port of the screening machine is communicated with the feeding port of the decomposition furnace. The utility model discloses a cold and hot dual-classification of domestic waste outside the kiln has avoided domestic waste because factors such as moisture height, calorific value are low, the particle diameter is inhomogeneous directly go into the kiln, can fully burn dioxin.

Description

System for be used for cement production behind with discarded object branch matter

Technical Field

The utility model relates to a processing system of discarded object especially relates to a system that is used for cement manufacture behind branch matter with the discarded object.

Background

With the rapid development of urbanization and the increasing improvement of the living standard of people, the waste in cities and towns in China, such as: domestic waste and municipal sludge are growing rapidly. The disposal of these wastes has become an important issue that has restricted the development of urban sustainability. Because the domestic garbage has complex components, low heat value and high moisture, secondary pollution can be caused by improper treatment. The current treatment technologies of domestic garbage and sludge mainly comprise several modes of landfill, composting, incineration power generation and the like, but the terminal treatment is difficult to realize, and secondary pollution exists in different degrees. In particular to garbage sorting, the common cold sorting is difficult to ensure the sorting quality, and organic matters and inorganic matters are doped, so that obstacles are brought to the subsequent resource treatment. Due to the problems of heat source, waste gas collection and the like in sludge drying, efficient resource treatment is difficult to realize.

The cement industry has gained international recognition of waste, and as the main chemical components of inorganic substances of the garbage comprise SiO2, Fe203 and A12O3, and are similar to siliceous raw materials in cement raw materials, the garbage can be theoretically used for partially replacing the siliceous raw materials to prepare materials, and the heat value can be used as fuel. But because of the factors such as the moisture and the heat value of the garbage, the garbage is directly put into a kiln for disposal, and the influence on the operation of the cement kiln is large.

Specifically, the prior art has resulted in wastes such as: the domestic garbage has adverse effects on the operation condition of the cement kiln due to high moisture, low heat value, uneven particle size and other factors, so that the large-scale waste disposal cannot be realized, and the purpose of saving energy cannot be achieved. It is not possible to ensure complete destruction of dioxin in garbage.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a first technical problem that solves provides a method for cement production with being used for after discarded object divides matter, uses this method can avoid the discarded object, if: the domestic garbage has adverse effect on the operation condition of the cement kiln due to high moisture, low heat value, uneven particle size and other factors, and can realize the mass treatment of wastes and achieve the purpose of saving energy.

The to-be-solved second technical problem of the utility model is to provide a system for be used for cement manufacture behind the discarded object branch matter, use this system can avoid the discarded object, if: the domestic garbage has adverse effect on the operation condition of the cement kiln due to high moisture, low heat value, uneven particle size and other factors, and can realize the mass treatment of wastes and achieve the purpose of saving energy.

In terms of the method, in order to solve the first technical problem, the utility model provides a be used for cement manufacture's method behind discarded object branch matter, separate into large granule discarded object and tiny particle discarded object earlier, separate out high temperature flue gas and inorganic lime-ash with the large granule discarded object through heating gasification again, then, send into the high temperature flue gas and send into inorganic lime-ash batching system for cement kiln raw materials.

The waste comprises urban raw domestic garbage and/or stale garbage.

Large particle waste is high calorific value large particle waste.

The small particle waste is low calorific value small particle waste.

The waste is crushed before being separated into large-particle waste and small-particle waste.

And crushing the waste by a crusher.

The waste is sent to the crusher from the waste collection room through the grab bucket and the first plate type feeding machine in sequence.

And sending the crushed waste into a screening machine from the crusher through a belt conveyor.

The maximum size of the broken large-particle waste is less than or equal to 200mm and the minimum size is greater than or equal to 30 mm.

The maximum size of the crushed small-particle waste is less than 30 mm.

the waste is separated by a screening machine.

The large waste after screening is oversize.

The screened small particle waste is undersize.

The oversize material is heated and gasified by a gasification furnace to separate high-temperature flue gas and inorganic ash.

And (4) sending the inorganic ash into a slag remover for water cooling.

Fishing out the water-cooled inorganic ash.

And sending the fished inorganic ash into a batching system through a first plate chain conveyor.

And delivering the oversize products from the sieving machine to the gasification furnace through a second plate type feeding machine.

And burning the oversize materials by using odor in the waste collection room as primary air for gasification and burning.

The odor is sent into the gasification furnace from the waste collection room through the odor adjusting and controlling device.

And introducing redundant odor into the high-temperature section of the cement kiln grate cooler through the odor regulation control device to be used as primary air for combustion.

Introducing odor into the emergency deodorization system in an emergency.

and (4) feeding high-temperature flue gas generated by burning oversize materials into a high-temperature flue gas inlet of the decomposing furnace.

The temperature of the high-temperature flue gas at the gas outlet of the gasification furnace is 800-.

the temperature of the high-temperature flue gas at the gas outlet of the gasification furnace is adjusted and controlled through the primary air quantity and the garbage feeding quantity.

The undersize materials are firstly stored in a live bottom bin.

And conveying the undersize products from the sieving machine to a live bottom bin through a second plate chain conveyor.

And the undersize materials are sequentially sent to a third plate chain conveyor or a scattering dryer from the movable bottom bin through a constant feeder and an electric three-way valve.

And detecting the moisture of the undersize in the live bottom bin through a moisture analyzer.

and the moisture analyzer controls the electric three-way valve to send the undersize products to a third plate chain conveyor or a scattering dryer according to the moisture detection result of the undersize products.

The undersize material comprises dry undersize material and wet undersize material.

The moisture content of the dry undersize is less than 30%.

The moisture of the wet undersize is greater than or equal to 30%.

The dry undersize material is directly sent into a cement kiln for incineration.

And feeding the dry undersize into a feeding port of the decomposing furnace through a third plate chain conveyor, a bucket elevator and an air locking valve in sequence.

The wet undersize is dried to form dry undersize, and then the dry undersize is sent into a cement kiln to be burnt.

Drying the wet undersize through a scattering dryer.

The wet undersize material stays in the scattering dryer for 30-45 minutes.

The wet undersize is dried by high-temperature flue gas generated after burning the oversize.

The high-temperature smoke temperature for drying the wet undersize is 700-800 ℃.

The temperature of high-temperature flue gas for drying wet undersize is adjusted by the amount of ozone, so that the drying temperature of the undersize is controlled.

The water content of the dried undersize is 20-30%.

And conveying the dried undersize products into a feed inlet of the decomposing furnace through a third plate chain conveyor, a bucket elevator and an air locking valve in sequence.

and sending high-temperature water vapor generated after the wet undersize is dried by the breaking-up dryer into a high-temperature water vapor inlet and/or a high-temperature flue gas inlet of the decomposing furnace.

The high-temperature water vapor and the high-temperature flue gas are mixed and then enter a high-temperature flue gas inlet of the decomposing furnace.

And the percolate in the waste collection room is sent to a liquid inlet and/or a kiln head cover of the decomposing furnace.

The percolate is sent to a liquid inlet and/or a kiln head cover of the decomposing furnace through a centrifugal pump.

Compared with the prior art, the method for producing cement by separating the waste has the following beneficial effects.

1. This technical scheme is owing to adopted earlier with the discarded object separation into large granule discarded object and tiny particle discarded object, separate out high temperature flue gas and inorganic lime-ash with the large granule discarded object through heating gasification again, then, send the high temperature flue gas into the dore furnace, send inorganic lime-ash into the feed proportioning system and be used for the technological means of cement kiln raw materials, so, through the cold and hot dual branch matter of domestic waste outside the kiln, domestic waste has been avoided because the moisture is high, the calorific value is low, the particle diameter is inhomogeneous etc. factor directly goes into the kiln, the cement kiln operation operating mode adverse effect that arouses, realize handling the discarded object in batches, reach the purpose of energy saving. The dioxin in the garbage is completely burnt. Because of the characteristics of high temperature, alkalinity, long retention time and the like of the cement kiln, the dioxin can be fully burnt.

2. The technical scheme adopts the technical means that the wastes comprise urban raw domestic wastes and/or aged wastes, so that the technical scheme is favorable for carrying out quality-based treatment on various wastes.

3. The technical proposal adopts the large-particle waste with high heat value; the small-particle waste is low-calorific-value small-particle waste; crushing the waste before separating the waste into large-particle waste and small-particle waste; the technical means of crushing the waste by the crusher can greatly improve the efficiency and quality of quality-grading treatment.

4. According to the technical scheme, the waste is fed into the crusher from the waste collection room sequentially through the grab bucket and the first plate-type feeder. The crushed waste is sent into the screening machine from the crusher through the belt conveyor, so that the conveying control of the waste is facilitated.

5. The technical proposal adopts the technical proposal that the maximum size of the broken large-particle waste is less than or equal to 200mm and the minimum size is greater than or equal to 30 mm; the maximum size of the crushed small-particle waste is less than 30mm, so that the quality separation treatment efficiency is extremely high and the quality is excellent.

6. in the technical scheme, the waste is separated by a screening machine; the large-particle waste after screening is oversize; the screened small-particle waste is undersize; heating and gasifying the oversize material through a gasification furnace to separate high-temperature flue gas and inorganic ash; sending the inorganic ash into a slag remover for water cooling; fishing out the water-cooled inorganic ash; the fished inorganic ash is sent into a batching system through a first plate chain conveyor, so that the inorganic ash can be used as a raw material for producing cement.

7. According to the technical scheme, the technical means that oversize materials are conveyed into the gasification furnace from the screening machine through the second plate type feeding machine is adopted, so that the control on conveying of the oversize materials is facilitated.

8. The technical scheme adopts the technical means that the odor in the waste collection room is used as primary air for gasification and incineration to incinerate oversize materials, so that the air in the waste collection room can be greatly purified, the odor is changed into valuable materials to be utilized, meanwhile, the odor in the odor is eliminated, and the further energy saving is facilitated.

9. The technical proposal adopts the technical means that the odor is sent into the gasification furnace from the waste collection room through the odor adjusting and controlling device, thereby being beneficial to adjusting and controlling the transportation of the odor.

10. The technical proposal adopts the technical means that redundant odor is introduced into the high-temperature section of the grate cooler of the cement kiln through the odor regulation and control device to be used as primary air combustion, thereby being beneficial to fully utilizing the odor.

11. According to the technical scheme, the technical means of introducing the odor into the emergency deodorization system in an emergency is adopted, so that the safety of odor utilization can be improved.

12. According to the technical scheme, the technical means that the high-temperature flue gas generated by burning the oversize materials is fed into the high-temperature flue gas inlet of the decomposing furnace is adopted, so that the high-temperature flue gas generated by burning the oversize materials can be used for heating the cement raw materials, and the energy can be further saved.

13. The technical scheme adopts the technical means that the temperature of the high-temperature flue gas at the gas outlet of the gasification furnace is 800-.

14. According to the technical scheme, the technical means that the temperature of the high-temperature flue gas at the gas outlet of the gasification furnace is adjusted and controlled through the primary air quantity and the garbage feeding quantity is adopted, so that the requirement for heating the cement raw material can be met by the high-temperature flue gas.

15. The technical proposal adopts the method that undersize materials are firstly stored in a live bottom bin; and undersize materials are conveyed into the movable bottom bin from the screening machine through the second plate chain conveyor, so that the conveying control of the undersize materials is facilitated.

16. In the technical scheme, undersize materials are sequentially sent to a third plate chain conveyor or a scattering dryer from a live bottom bin through a constant feeder and an electric three-way valve; detecting the moisture of undersize materials in the live bottom bin by a moisture analyzer; the moisture analyzer controls the electric three-way valve to send the undersize products to a third plate chain conveyor or a scattering dryer according to the moisture detection result of the undersize products; the undersize comprises dry undersize and wet undersize; the water content of the dry undersize is less than 30 percent; the moisture content of the wet undersize is greater than or equal to 30%; directly feeding the dry undersize into a cement kiln for incineration; feeding the dry undersize into a feeding port of the decomposing furnace through a third plate chain conveyor, a bucket elevator and an air locking valve in sequence; the wet undersize is dried to form dry undersize, and then the dry undersize is sent to a cement kiln for incineration, so that the method is favorable for the undersize to be fully incinerated after entering the cement kiln.

17. In the technical scheme, wet undersize is dried by a scattering dryer; the wet undersize material stays in the scattering dryer for 30-45 minutes, so that the wet undersize material can be fully dried.

18. in the technical scheme, wet undersize is dried by using high-temperature flue gas generated after the oversize is burnt; the high-temperature flue gas temperature for drying the wet undersize is 700-800 ℃, so that the drying of the wet undersize is facilitated.

19. According to the technical scheme, the technical means that the temperature of high-temperature flue gas for drying the wet undersize is adjusted through the amount of ozone, and then the drying temperature of the undersize is controlled is adopted, so that the wet undersize can be dried.

20. The technical scheme adopts the technical means that the moisture content of the dried screen underflow is 20-30%, so that the screen underflow can be ensured to be fully burnt after entering the cement kiln.

21. According to the technical scheme, the technical means that the dried undersize is conveyed into the feeding port of the decomposing furnace sequentially through the third plate chain conveyor, the bucket elevator and the air locking valve is adopted, so that the conveying control of the dried undersize is facilitated.

22. According to the technical scheme, the technical means that high-temperature water vapor generated after wet undersize is dried by the scattering dryer is fed into the high-temperature water vapor inlet and/or the high-temperature flue gas inlet of the decomposing furnace is adopted, so that the generated high-temperature water vapor can enter the high-temperature area at the bottom of the decomposing furnace to be used as a gasifying agent of fuel coal for low-nitrogen combustion.

23. the technical means that the high-temperature water vapor and the high-temperature flue gas are mixed and then enter the high-temperature flue gas inlet of the decomposing furnace is adopted, so that the low-nitrogen combustion of the high-temperature water vapor serving as a gasifying agent of the fuel coal is facilitated.

24. according to the technical scheme, the technical means that the leachate in the waste collection room is sent into the liquid inlet and/or the kiln head cover of the decomposing furnace is adopted, and the leachate contains ammonia nitrogen substances, so that the cleaning of the waste collection room is facilitated, the purpose of reducing the generation of nitrogen oxides can be achieved by the leachate, and low-nitrogen combustion is realized.

25. The technical scheme adopts the technical means that the percolate is sent into the liquid inlet and/or the kiln head cover of the decomposing furnace through the centrifugal pump, so the equipment is simple, and the cost of waste disposal is favorably reduced.

in terms of the system, in order to solve above-mentioned second technical problem, the utility model provides a be used for cement manufacture's system after with discarded object branch matter, including the screening machine, communicate with each other between the pan feeding mouth of screening machine and refuse collection, the first discharge gate of screening machine communicates with each other with the pan feeding mouth of gasifier, the gas outlet of gasifier and the high temperature flue gas entry intercommunication of dore furnace, the discharge gate of gasifier communicates with each other with the pan feeding mouth of feed proportioning system, the second discharge gate of screening machine with the pan feeding mouth of dore furnace communicates with each other.

And a first discharge port of the screening machine is communicated with a feeding port of the gasification furnace through a second plate-type feeding machine.

and a first discharge port of the screening machine is communicated with a feeding port of the second plate-type feeding machine.

And the discharge hole of the second plate-type feeder is communicated with the feed inlet of the gasification furnace.

and the discharge port of the gasification furnace is communicated with the feeding port of the batching system sequentially through the slag remover and the first plate chain conveyor.

And the discharge hole of the gasification furnace is communicated with the feed inlet of the slag remover.

And the discharge hole of the slag remover is communicated with the feeding hole of the first plate chain conveyor.

And the discharge hole of the first plate chain conveyor is communicated with the feeding hole of the batching system.

And a second discharge port of the screening machine is communicated with a feed inlet of the movable bottom bin.

And the discharge port of the movable bottom bin is communicated with the feeding port of the constant feeder.

And the discharge port of the constant feeder is communicated with the feeding port of the electric three-way valve.

And a moisture analyzer is arranged between the electric three-way valve and the movable bottom bin.

The moisture analyzer is connected with a moisture content sensing component.

The moisture content sensing component is arranged in the false bottom bin.

The moisture content sensing component is arranged at the bottom of the live bottom bin.

And the control signal output end of the moisture analyzer is electrically connected with the control signal input end of the electric three-way valve.

And a first discharge port of the electric three-way valve is communicated with a feeding port of the third plate chain conveyor.

And the discharge port of the third plate chain conveyor is communicated with the feed port of the bucket elevator.

The discharge hole of the bucket elevator is communicated with the feed inlet of the air locking valve.

And the discharge hole of the air locking valve is communicated with the feeding hole of the decomposing furnace.

And a second discharge hole of the electric three-way valve is communicated with a feeding hole of the scattering dryer.

and the discharge port of the scattering dryer is communicated with the feed port of the third plate chain conveyor.

And a high-temperature flue gas inlet of the scattering dryer is communicated with a high-temperature flue gas outlet of the gasification furnace.

And a high-temperature water vapor outlet of the scattering dryer is communicated with a high-temperature water vapor inlet of the decomposing furnace and/or communicated with a high-temperature flue gas inlet of the decomposing furnace.

and a feeding port of the screening machine is communicated with a discharge port of the belt conveyor.

And a feeding port of the belt conveyor is communicated with a discharging port of the crusher.

And a feeding port of the crusher is communicated with a discharge port of the first plate-type feeding machine.

A grab bucket is arranged between the feeding port of the first plate type feeding machine and the waste collection room.

And the air outlet of the waste collection room is communicated with the air inlet of the odor regulation and control device.

and a first air outlet of the odor adjusting and controlling device is communicated with an air inlet of the gasification furnace.

And a second air outlet of the odor adjusting and controlling device is communicated with the high-temperature area of the grate cooler.

And a second air outlet of the odor regulation and control device is communicated with an air inlet of the emergency deodorization system.

And a liquid outlet of the waste collection room is communicated with a liquid inlet of the centrifugal pump.

And the liquid outlet of the centrifugal pump is communicated with the liquid inlet of the decomposing furnace.

and a liquid outlet of the centrifugal pump is communicated with a liquid inlet of the kiln head cover.

The grate cooler is communicated with the kiln head of the rotary kiln through the kiln head cover.

the kiln tail of the rotary kiln is communicated with the lower end of the decomposing furnace.

The utility model discloses be used for cement manufacture's system after with discarded object branch matter compares with prior art and has following beneficial effect.

1. This technical scheme is owing to adopted communicate with each other between pan feeding mouth and the waste collection of screening machine, the first discharge gate of screening machine communicates with each other with the pan feeding mouth of gasifier, the gas outlet of gasifier and the high temperature flue gas entry intercommunication of dore furnace, the discharge gate of gasifier and feed proportioning system's pan feeding mouth communicate with each other, the second discharge gate of screening machine with the communicating technological means of pan feeding mouth of dore furnace, so, through the cold and hot dual branch matter of domestic waste outside the kiln, avoided domestic waste because the direct kiln that goes into of factors such as moisture height, calorific value are low, particle diameter is inhomogeneous, the cement kiln operating mode adverse effect that arouses realizes handling the discarded object in batches greatly, reaches the purpose of energy saving. The dioxin in the garbage is completely burnt. Because of the characteristics of high temperature, alkalinity, long retention time and the like of the cement kiln, the dioxin can be fully burnt.

2. According to the technical scheme, the first discharge port of the screening machine is communicated with the feeding port of the gasification furnace through the second plate-type feeding machine; a first discharge port of the screening machine is communicated with a feeding port of the second plate type feeding machine; the discharge hole of the second plate type feeding machine is communicated with the feed inlet of the gasification furnace; a discharge port of the gasification furnace is communicated with a feed inlet of the batching system sequentially through a slag remover and a first plate chain conveyor; the discharge hole of the gasification furnace is communicated with the feed inlet of the slag remover; the discharge hole of the slag remover is communicated with the feeding hole of the first plate chain conveyor; the technical means that the discharge hole of the first plate chain conveyor is communicated with the feeding hole of the batching system is adopted, so that the inorganic ash generated by burning oversize materials can be used as a raw material for producing cement, and the high-temperature smoke generated by burning the oversize materials can be used for heating the cement raw material, so that the energy can be further saved.

3. According to the technical scheme, the second discharge hole of the screening machine is communicated with the feeding hole of the movable bottom bin; the discharge hole of the movable bottom bin is communicated with the feeding hole of the quantitative feeder; the discharge port of the constant feeder is communicated with the feed port of the electric three-way valve; a moisture analyzer is arranged between the electric three-way valve and the movable bottom bin; the moisture analyzer is connected with a moisture content sensing component; the moisture content sensing component is arranged in the live bottom bin; the moisture content sensing component is arranged at the bottom of the live bottom bin; the control signal output end of the moisture analyzer is electrically connected with the control signal input end of the electric three-way valve; a first discharge hole of the electric three-way valve is communicated with a feed inlet of the third plate chain conveyor; the discharge hole of the third plate chain conveyor is communicated with the feed inlet of the bucket elevator; the discharge hole of the bucket elevator is communicated with the feed inlet of the air locking valve; the discharge hole of the air locking valve is communicated with the feed inlet of the decomposing furnace; a second discharge hole of the electric three-way valve is communicated with a feeding hole of the scattering dryer; the discharge hole of the scattering dryer is communicated with the feed inlet of the third plate chain conveyor; a high-temperature flue gas inlet of the scattering dryer is communicated with a high-temperature flue gas outlet of the gasification furnace; the high-temperature steam outlet of the scattering dryer is communicated with the high-temperature steam inlet of the decomposing furnace and/or communicated with the high-temperature flue gas inlet of the decomposing furnace, so that the dry undersize and the dry undersize can be used for fully burning cement raw materials, and the high-temperature steam generated after the wet undersize is dried can enter a high-temperature area at the bottom of the decomposing furnace to be used as a gasifying agent of fuel coal for low-nitrogen burning.

4. According to the technical scheme, the material inlet of the screening machine is communicated with the material outlet of the belt conveyor; a feeding port of the belt conveyor is communicated with a discharging port of the crusher; a feeding port of the crusher is communicated with a discharging port of the first plate type feeding machine; a grab bucket is arranged between the feeding port of the first plate type feeding machine and the waste collection room, so that the waste can be crushed and the conveying control of the waste is facilitated.

5. In the technical scheme, the air outlet of the waste collection room is communicated with the air inlet of the odor regulation and control device; the first air outlet of the odor adjusting and controlling device is communicated with the air inlet of the gasification furnace; a second air outlet of the odor adjusting and controlling device is communicated with the high-temperature area of the grate cooler; the second air outlet of the odor regulation and control device is communicated with the air inlet of the emergency deodorization system, so that the air in a waste collection room can be greatly purified, the odor is changed into valuable and is utilized, and meanwhile, the odor in the odor is eliminated, and further energy conservation is facilitated.

6. in the technical scheme, the liquid outlet of the waste collection room is communicated with the liquid inlet of the centrifugal pump; a liquid outlet of the centrifugal pump is communicated with a liquid inlet of the decomposing furnace; a liquid outlet of the centrifugal pump is communicated with a liquid inlet of the kiln head cover; the grate cooler is communicated with the kiln head of the rotary kiln through the kiln head cover; the kiln tail of the rotary kiln is communicated with the lower end of the decomposing furnace, so that the waste collection room is cleaned, and the leachate can play a role in reducing the generation of nitrogen oxides to realize low-nitrogen combustion.

Drawings

The method and system for cement production according to the present invention will be described in detail with reference to the accompanying drawings and embodiments.

FIG. 1 is a schematic diagram of the working process and connection structure of the system and method for producing cement by separating waste materials.

Detailed Description

As shown in fig. 1, the present embodiment provides a method for separating wastes into large-sized wastes and small-sized wastes, separating the large-sized wastes into high-temperature flue gas and inorganic ash through heating and gasification, and then feeding the high-temperature flue gas into a decomposing furnace 21 and the inorganic ash into a batching system 11 for cement kiln raw materials.

This embodiment is owing to adopted earlier with the discarded object separation into large granule discarded object and tiny particle discarded object, separate out high temperature flue gas and inorganic lime-ash with the large granule discarded object through heating gasification again, then, send the high temperature flue gas into the dore furnace, send inorganic lime-ash into the feed proportioning system and be used for the technological means of cement kiln raw materials, so, through the cold and hot dual branch matter of domestic waste outside the kiln, domestic waste has been avoided because the moisture is high, the calorific value is low, the particle diameter is inhomogeneous etc. factor directly goes into the kiln, the cement kiln operation operating mode adverse effect that arouses, realize handling the discarded object in batches, reach the purpose of energy saving. The dioxin in the garbage is completely burnt. Because of the characteristics of high temperature, alkalinity, long retention time and the like of the cement kiln, the dioxin can be fully burnt.

various modifications of the present embodiment will be described in detail below.

The waste comprises urban raw domestic garbage and/or stale garbage.

the embodiment adopts the technical means of waste including urban raw domestic garbage and/or stale garbage, so that the quality-classified treatment of various wastes is facilitated.

Large particle waste is high calorific value large particle waste.

The small particle waste is low calorific value small particle waste.

The waste is crushed before being separated into large-particle waste and small-particle waste.

The waste is crushed by the crusher 4.

In the embodiment, the large-particle waste is high-calorific-value large-particle waste; the small-particle waste is low-calorific-value small-particle waste; crushing the waste before separating the waste into large-particle waste and small-particle waste; the technical means of crushing the waste by the crusher can greatly improve the efficiency and quality of quality-grading treatment.

The waste is fed from the waste collection compartment 1 to the crusher 4 sequentially through the grapple 2 and the first plate feeder 3.

The crushed waste is sent from the crusher 4 to the screening machine 6 by the belt conveyor 5.

In the embodiment, the waste is conveyed into the crusher from the waste collection room sequentially through the grab bucket and the first plate-type feeder. The crushed waste is sent into the screening machine from the crusher through the belt conveyor, so that the conveying control of the waste is facilitated.

The maximum size of the broken large-particle waste is less than or equal to 200mm and the minimum size is greater than or equal to 30 mm.

The maximum size of the crushed small-particle waste is less than 30 mm.

In the embodiment, the maximum size of the broken large-particle waste is less than or equal to 200mm, and the minimum size of the broken large-particle waste is greater than or equal to 30 mm; the maximum size of the crushed small-particle waste is less than 30mm, so that the quality separation treatment efficiency is extremely high and the quality is excellent.

The waste is separated by a sieving machine 6.

The large waste after screening is oversize.

the screened small particle waste is undersize.

The oversize material is heated and gasified by a gasification furnace 8 to separate high-temperature flue gas and inorganic ash.

the inorganic ash is sent to a slag remover 9 for water cooling.

Fishing out the water-cooled inorganic ash.

The fished inorganic ash is sent to a batching system 11 through a first plate chain conveyor 10.

In the embodiment, the waste is separated by the sieving machine; the large-particle waste after screening is oversize; the screened small-particle waste is undersize; heating and gasifying the oversize material through a gasification furnace to separate high-temperature flue gas and inorganic ash; sending the inorganic ash into a slag remover for water cooling; fishing out the water-cooled inorganic ash; the fished inorganic ash is sent into a batching system through a first plate chain conveyor, so that the inorganic ash can be used as a raw material for producing cement.

Oversize material is fed from the screening machine 6 to the gasification furnace 8 through the second plate feeder 7.

In the embodiment, the technical means that oversize materials are fed into the gasification furnace from the screening machine through the second plate type feeding machine is adopted, so that the control on the conveying of the oversize materials is favorably implemented.

The odor in the waste collection room 1 is used as primary air for gasification and incineration to incinerate oversize materials.

the technical means that the odor in the waste collection room is used as primary air for gasification and incineration to incinerate oversize materials is adopted, so that the air in the waste collection room can be greatly purified, the odor is changed into valuable materials to be utilized, meanwhile, the odor in the odor is eliminated, and further energy conservation is facilitated.

The odor is sent from the waste collection room 1 to the gasification furnace 8 through the odor control device 26.

In the present embodiment, the technical means for sending the odor from the waste collection room to the gasification furnace through the odor control device is adopted, and therefore, the present embodiment is advantageous for controlling the transportation of the odor.

The redundant odor is introduced into the high-temperature section of the cement kiln grate cooler 24 through the odor adjusting and controlling device 26 to be used as primary air for combustion.

The embodiment adopts the technical means that redundant odor is introduced into the high-temperature section of the cement kiln grate cooler through the odor adjusting and controlling device to be used as primary air combustion, so that the odor is favorably and fully utilized.

The odor is introduced into the emergency deodorization system 27 in an emergency.

In the embodiment, the technical means of introducing the odor into the emergency deodorization system in an emergency is adopted, so that the safety of odor utilization can be improved.

High-temperature flue gas generated by burning oversize materials is sent into a high-temperature flue gas inlet of the decomposing furnace 21.

In the embodiment, the technical means that the high-temperature flue gas generated by burning the oversize materials is fed into the high-temperature flue gas inlet of the decomposing furnace is adopted, so that the high-temperature flue gas generated by burning the oversize materials can be used for heating the cement raw materials, and the energy can be further saved.

The temperature of the high-temperature flue gas at the gas outlet of the gasification furnace 8 is 800-.

In the embodiment, the technical means that the temperature of the high-temperature flue gas at the gas outlet of the gasification furnace is 800-.

The temperature of the high-temperature flue gas at the air outlet of the gasification furnace 8 is adjusted and controlled by the primary air quantity and the garbage feeding quantity.

The embodiment adopts the technical means that the temperature of the high-temperature flue gas at the gas outlet of the gasification furnace is regulated and controlled through the primary air quantity and the garbage feeding quantity, so that the high-temperature flue gas can meet the requirement of heating the cement raw material.

The undersize materials are firstly stored in a live bottom bin 13.

the undersize is fed from the sizer 6 into a false bottom silo 13 by a second plate chain conveyor 12.

in the embodiment, undersize materials are firstly stored in the live bottom bin; and undersize materials are conveyed into the movable bottom bin from the screening machine through the second plate chain conveyor, so that the conveying control of the undersize materials is facilitated.

the undersize is sent from the false bottom bunker 13 to a third plate chain conveyor 17 or a breaking dryer 18 through a constant feeder 14 and an electric three-way valve 15 in sequence.

The moisture content of the undersize in the live bottom silo 13 is detected by a moisture analyzer 16.

The moisture analyzer 16 controls the electric three-way valve 15 to send the undersize products to the third plate chain conveyor 17 or the scattering dryer 18 according to the moisture detection result of the undersize products.

The undersize material comprises dry undersize material and wet undersize material.

The moisture content of the dry undersize is less than 30%.

The moisture of the wet undersize is greater than or equal to 30%.

The dry undersize material is directly sent into a cement kiln for incineration.

the dry undersize materials are sequentially conveyed into a feeding port of a decomposing furnace 21 through a third plate chain conveyor 17, a bucket elevator 19 and an air locking valve 20.

The wet undersize is dried to form dry undersize, and then the dry undersize is sent into a cement kiln to be burnt.

In the embodiment, undersize materials are sequentially sent to the third plate chain conveyor or the scattering dryer from the movable bottom bin through the constant feeder and the electric three-way valve; detecting the moisture of undersize materials in the live bottom bin by a moisture analyzer; the moisture analyzer controls the electric three-way valve to send the undersize products to a third plate chain conveyor or a scattering dryer according to the moisture detection result of the undersize products; the undersize comprises dry undersize and wet undersize; the water content of the dry undersize is less than 30 percent; the moisture content of the wet undersize is greater than or equal to 30%; directly feeding the dry undersize into a cement kiln for incineration; feeding the dry undersize into a feeding port of the decomposing furnace through a third plate chain conveyor, a bucket elevator and an air locking valve in sequence; the wet undersize is dried to form dry undersize, and then the dry undersize is sent to a cement kiln for incineration, so that the method is favorable for the undersize to be fully incinerated after entering the cement kiln.

The wet undersize is dried by a break-up dryer 18.

The wet undersize remains in the break-up dryer 18 for 30-45 minutes.

In the embodiment, the wet undersize is dried by a scattering dryer; the wet undersize material stays in the scattering dryer for 30-45 minutes, so that the wet undersize material can be fully dried.

The wet undersize is dried by high-temperature flue gas generated after burning the oversize.

The high-temperature smoke temperature for drying the wet undersize is 700-800 ℃.

In the embodiment, wet undersize is dried by high-temperature flue gas generated after the oversize is burnt; the high-temperature flue gas temperature for drying the wet undersize is 700-800 ℃, so that the drying of the wet undersize is facilitated.

The temperature of high-temperature flue gas for drying wet undersize is adjusted by the amount of ozone, so that the drying temperature of the undersize is controlled.

The embodiment adopts the technical means that the temperature of the high-temperature flue gas for drying the wet undersize is adjusted through the amount of the ozone, and then the drying temperature of the undersize is controlled, so that the wet undersize can be dried.

The water content of the dried undersize is 20-30%.

In the embodiment, the technical means that the water content of the dried undersize is 20-30% is adopted, so that the undersize can be ensured to be fully burnt after entering the cement kiln.

And conveying the dried undersize products to a feed inlet of a decomposing furnace 21 through a third plate chain conveyor 17, a bucket elevator 19 and an air locking valve 20 in sequence.

According to the embodiment, the technical means that the dried undersize is conveyed into the feeding port of the decomposing furnace through the third plate chain conveyor, the bucket elevator and the air locking valve in sequence is adopted, so that the conveying control of the dried undersize is facilitated.

The high-temperature water vapor generated after the wet undersize is dried by the breaking-up dryer 18 is sent to a high-temperature water vapor inlet and/or a high-temperature flue gas inlet of the decomposing furnace 21.

In the embodiment, the technical means that the high-temperature water vapor generated after the wet undersize is dried by the scattering dryer is fed into the high-temperature water vapor inlet and/or the high-temperature flue gas inlet of the decomposing furnace is adopted, so the generated high-temperature water vapor can enter the high-temperature area at the bottom of the decomposing furnace to be used as a gasifying agent of fuel coal for low-nitrogen combustion.

The high-temperature water vapor and the high-temperature flue gas are mixed and then enter a high-temperature flue gas inlet of the decomposing furnace 21.

The embodiment adopts the technical means that the high-temperature water vapor and the high-temperature flue gas are mixed and then enter the high-temperature flue gas inlet of the decomposing furnace, so that the low-nitrogen combustion is more favorably carried out by taking the high-temperature water vapor as the gasifying agent of the fuel coal.

The percolate in the waste collection room 1 is sent to a liquid inlet of the decomposing furnace 21 and/or a kiln head cover 23.

the embodiment adopts the technical means that the percolate in the waste collection room is sent into the liquid inlet and/or the kiln head cover of the decomposing furnace, and the percolate contains ammonia nitrogen substances, so that the waste collection room is not only beneficial to cleaning, but also the percolate can play the role of reducing the generation of nitrogen oxides, and the low-nitrogen combustion is realized.

The percolate is conveyed into the liquid inlet of the decomposing furnace 21 and/or the kiln head cover 23 by a centrifugal pump 25.

The embodiment adopts the technical means that the percolate is sent into the liquid inlet and/or the kiln head cover of the decomposing furnace through the centrifugal pump, so the device is simple and is beneficial to reducing the cost of waste disposal.

As shown in fig. 1, the present embodiment provides a system for separating waste into two components and then using the two components for cement production, which includes a screening machine 6, a feeding port of the screening machine 6 is communicated with a waste collection room 1, a first discharging port of the screening machine 6 is communicated with a feeding port of a gasification furnace 8, a gas outlet of the gasification furnace 8 is communicated with a high-temperature flue gas inlet of a decomposition furnace 21, a discharging port of the gasification furnace 8 is communicated with a feeding port of a batching system 11, and a second discharging port of the screening machine 6 is communicated with a feeding port of the decomposition furnace 21. As can be seen from fig. 1, the gas outlet of the gasification furnace 8 is provided with a regulating valve 30.

This embodiment is owing to adopted communicate with each other between pan feeding mouth and the waste collection of screening machine, the first discharge gate of screening machine communicates with each other with the pan feeding mouth of gasifier, the gas outlet of gasifier and the high temperature flue gas entry intercommunication of dore furnace, the discharge gate of gasifier and feed proportioning system's pan feeding mouth communicate with each other, the second discharge gate of screening machine with the communicating technological means of pan feeding mouth of dore furnace, so, through the cold and hot dual branch matter of domestic waste outside the kiln, avoided domestic waste because the direct kiln that goes into of factors such as moisture height, calorific value are low, particle diameter is inhomogeneous, the cement kiln operating mode adverse effect that arouses realizes handling the discarded object in batches, reaches the purpose of energy saving. The dioxin in the garbage is completely burnt. Because of the characteristics of high temperature, alkalinity, long retention time and the like of the cement kiln, the dioxin can be fully burnt.

Various modifications of the present embodiment will be described in detail below.

As shown in fig. 1, a first discharge port of the sieving machine 6 is communicated with a feed port of the gasification furnace 8 through a second plate feeder 7.

And a first discharge port of the screening machine 6 is communicated with a feeding port of the second plate-type feeding machine 7.

And the discharge hole of the second plate-type feeder 7 is communicated with the feed inlet of the gasification furnace 8.

And a quantitative feeder 29 is arranged at the discharge port of the second plate-type feeder 7 and the feeding port of the gasification furnace 8.

And a discharge hole of the gasification furnace 8 is communicated with a feeding hole of the batching system 11 sequentially through a slag remover 9 and a first plate chain conveyor 10.

And the discharge hole of the gasification furnace 8 is communicated with the feed inlet of the slag remover 9.

and the discharge hole of the slag remover 9 is communicated with the feeding hole of the first plate chain conveyor 10.

And the discharge hole of the first plate link chain conveyor 10 is communicated with the feeding hole of the batching system 11.

In the embodiment, the first discharge hole of the sieving machine is communicated with the feeding hole of the gasification furnace through the second plate-type feeder; a first discharge port of the screening machine is communicated with a feeding port of the second plate type feeding machine; the discharge hole of the second plate type feeding machine is communicated with the feed inlet of the gasification furnace; a discharge port of the gasification furnace is communicated with a feed inlet of the batching system sequentially through a slag remover and a first plate chain conveyor; the discharge hole of the gasification furnace is communicated with the feed inlet of the slag remover; the discharge hole of the slag remover is communicated with the feeding hole of the first plate chain conveyor; the technical means that the discharge hole of the first plate chain conveyor is communicated with the feeding hole of the batching system is adopted, so that the inorganic ash generated by burning oversize materials can be used as a raw material for producing cement, and the high-temperature smoke generated by burning the oversize materials can be used for heating the cement raw material, so that the energy can be further saved.

As shown in fig. 1, the second discharge port of the sieving machine 6 is communicated with the feed port of the flash silo 13.

And a discharge hole of the movable bottom bin 13 is communicated with a feeding hole of the constant feeder 14.

And the discharge hole of the constant feeder 14 is communicated with the feeding hole of the electric three-way valve 15.

A moisture analyzer 16 is arranged between the electric three-way valve 15 and the movable bottom bin 13.

The moisture analyzer 16 is connected to a moisture content sensing means.

The moisture content sensing component is arranged in the live bottom bin 13.

The moisture content sensing component is arranged at the bottom of the live bottom bin 13.

A control signal output end of the moisture analyzer 16 is electrically connected with a control signal input end of the electric three-way valve 15.

And a first discharge port of the electric three-way valve 15 is communicated with a feed port of the third plate chain conveyor 17.

And the discharge port of the third plate chain conveyor 17 is communicated with the feed port of the bucket elevator 19.

And the discharge hole of the bucket elevator 19 is communicated with the feed inlet of the air locking valve 20.

The discharge hole of the air locking valve 20 is communicated with the feeding hole of the decomposing furnace 21.

and a second discharge hole of the electric three-way valve 15 is communicated with a feeding hole of the scattering dryer 18.

And the discharge port of the scattering dryer 18 is communicated with the feed port of the third plate chain conveyor 17.

And a high-temperature flue gas inlet of the scattering dryer 18 is communicated with a high-temperature flue gas outlet of the gasification furnace 8.

The high-temperature water vapor outlet of the scattering dryer 18 is communicated with the high-temperature water vapor inlet of the decomposing furnace 21 and/or communicated with the high-temperature flue gas inlet of the decomposing furnace 21.

In the embodiment, the second discharge hole of the sieving machine is communicated with the feeding hole of the movable bottom bin; the discharge hole of the movable bottom bin is communicated with the feeding hole of the quantitative feeder; the discharge port of the constant feeder is communicated with the feed port of the electric three-way valve; a moisture analyzer is arranged between the electric three-way valve and the movable bottom bin; the moisture analyzer is connected with a moisture content sensing component; the moisture content sensing component is arranged in the live bottom bin; the moisture content sensing component is arranged at the bottom of the live bottom bin; the control signal output end of the moisture analyzer is electrically connected with the control signal input end of the electric three-way valve; a first discharge hole of the electric three-way valve is communicated with a feed inlet of the third plate chain conveyor; the discharge hole of the third plate chain conveyor is communicated with the feed inlet of the bucket elevator; the discharge hole of the bucket elevator is communicated with the feed inlet of the air locking valve; the discharge hole of the air locking valve is communicated with the feed inlet of the decomposing furnace; a second discharge hole of the electric three-way valve is communicated with a feeding hole of the scattering dryer; the discharge hole of the scattering dryer is communicated with the feed inlet of the third plate chain conveyor; a high-temperature flue gas inlet of the scattering dryer is communicated with a high-temperature flue gas outlet of the gasification furnace; the high-temperature steam outlet of the scattering dryer is communicated with the high-temperature steam inlet of the decomposing furnace and/or communicated with the high-temperature flue gas inlet of the decomposing furnace, so that the dry undersize and the dry undersize can be used for fully burning cement raw materials, and the high-temperature steam generated after the wet undersize is dried can enter a high-temperature area at the bottom of the decomposing furnace to be used as a gasifying agent of fuel coal for low-nitrogen burning.

As shown in fig. 1, the feed port of the sieving machine 6 is communicated with the discharge port of the belt conveyor 5.

And a feeding port of the belt conveyor 5 is communicated with a discharging port of the crusher 4.

And a feeding port of the crusher 4 is communicated with a discharging port of the first plate-type feeder 3.

A grab bucket 2 is arranged between the feeding port of the first plate type feeding machine 3 and the waste collection room 1.

In the embodiment, the material inlet of the screening machine is communicated with the material outlet of the belt conveyor; a feeding port of the belt conveyor is communicated with a discharging port of the crusher; a feeding port of the crusher is communicated with a discharging port of the first plate type feeding machine; a grab bucket is arranged between the feeding port of the first plate type feeding machine and the waste collection room, so that the waste can be crushed and the conveying control of the waste is facilitated.

As shown in fig. 1, the air outlet of the waste collection room 1 communicates with the air inlet of the odor control device 26. The air outlet of the waste collection room 1 is communicated with the air inlet of the odor adjusting and controlling device 26 through an induced draft fan 25.

The first outlet of the odor control device 26 is communicated with the inlet of the gasification furnace 8.

The second air outlet of the odor control device 26 is communicated with the high-temperature area of the grate cooler 24.

The second air outlet of the odour conditioning control device 26 communicates with the air inlet of the emergency deodorising system 27.

In the embodiment, the air outlet of the waste collection room is communicated with the air inlet of the odor adjusting and controlling device; the first air outlet of the odor adjusting and controlling device is communicated with the air inlet of the gasification furnace; a second air outlet of the odor adjusting and controlling device is communicated with the high-temperature area of the grate cooler; the second air outlet of the odor regulation and control device is communicated with the air inlet of the emergency deodorization system, so that the air in a waste collection room can be greatly purified, the odor is changed into valuable and is utilized, and meanwhile, the odor in the odor is eliminated, and further energy conservation is facilitated.

As shown in fig. 1, the liquid outlet of the waste collection room 1 is communicated with the liquid inlet of the centrifugal pump 25.

The liquid outlet of the centrifugal pump 25 is communicated with the liquid inlet of the decomposing furnace 21.

The liquid outlet of the centrifugal pump 25 is communicated with the liquid inlet of the kiln head cover 23.

The grate cooler 24 is communicated with the kiln head of the rotary kiln 22 through the kiln head cover 23.

The kiln tail of the rotary kiln 22 is communicated with the lower end of the decomposing furnace 21.

In the embodiment, the liquid outlet of the waste collection room is communicated with the liquid inlet of the centrifugal pump; a liquid outlet of the centrifugal pump is communicated with a liquid inlet of the decomposing furnace; a liquid outlet of the centrifugal pump is communicated with a liquid inlet of the kiln head cover; the grate cooler is communicated with the kiln head of the rotary kiln through the kiln head cover; the kiln tail of the rotary kiln is communicated with the lower end of the decomposing furnace, so that the waste collection room is cleaned, and the leachate can play a role in reducing the generation of nitrogen oxides to realize low-nitrogen combustion.

Plate feeding machine:

mainly comprises a head driving device, a tail wheel device, a tensioning device, a chain plate part and a frame. The drag chain and the groove plate of the plate feeding machine chain plate are different from the conventional structure. The traction chain is changed from a conventional plate chain into a heavy plate chain, and the groove plate is composed of double-wave reinforced groove plates. The bottom is provided with a cleaning device. The bottom plate of the cleaning device is a high-density polyethylene plate, the scraper plate is also made of high-density polyethylene material and is connected by a plate chain, and leaked materials on the floor are scraped into the discharge chute.

A crusher:

The automatic cutting machine comprises a control system, a rack, a driving device and a hopper, wherein a pair of tool bits are arranged in the hopper, fixed tool bits are arranged on two sides of a bin body, the fixed tool bits and the movable tool bits have the same arc angle and are in an occlusion trend, and the fixed tool bits and the two movable tool bits connected to the shaft are sheared and torn. The knife point direction axis direction of the movable knife head is vertical, the movable knife head is in a half-moon tooth shovel shape, and the cutting principle of spiral line intermittent cutting is utilized during crushing, so that the cutting points of the movable knife head and the fixed knife head are not cut simultaneously, the shearing, tearing and crushing are completed, the instantaneous cutting force of the cutting point is improved, and the energy is saved.

Screening machine:

The screen frame, set up drive mechanism on the screen frame and support the sieve section of thick bamboo on the screen frame, the one end of a sieve section of thick bamboo is provided with the feed inlet, and the other end is provided with the discharge gate, the surface of a sieve section of thick bamboo is formed with netted sieve mesh, and a sieve section of thick bamboo is the vibrating setting through the rotation of roller bearing. Can stir caking rubbish through above-mentioned mode, a sieve section of thick bamboo has special-shaped blade all around the welding for the rubbish dispersion of caking is come, and breaks the bag, has guaranteed the reliable of screening and has gone on, has guaranteed the high-efficient screening of rubbish, has improved the treatment effect of rubbish.

Breaking up the dryer:

Comprises a feed inlet, a discharge outlet, an air inlet, an air outlet, two scattering shafts, a special-shaped scattering gear welded on the scattering shafts, a shoveling plate and a frame, wherein the shoveling plate and the frame are welded on the roller. A shoveling plate consisting of spiral blanking plates and straight-row vertical guide plates is welded on the outer surface of the high-temperature belt of the rotary drum at intervals along the circumference; a drying space is formed between the rotary drum and the outer drum skin of the dryer. After the high-temperature flue gas enters, the material is scattered and then stays in the shoveling plate to fall down, and heat exchange and drying are carried out.

Step feeder:

Mainly comprises a motor with push rods in different quantities, a slide rail, an iron plate and a storage bin. A motor push rod is connected with an iron plate, and the iron plates are connected through grooves and can slide to avoid garbage leakage. When the motor push rod operates, the motor push rod pushes the garbage bin outlet together, and garbage discharging is achieved by drawing back the push rods with different numbers.

A vertical rotary gasification furnace:

A garbage gasification combustion system comprises a garbage feeding hole, a flue gas outlet, a primary air inlet, a furnace cover, a rotary furnace body, a rotary grate, a furnace body base, a slag remover, a slag tank, a slag breaking rod and the like. After the garbage enters the gasification furnace along the periphery of the gasification furnace, the material is distributed under the rotation of the rotary furnace body, the slag breaking rods welded on the periphery of the furnace body can uniformly distribute large materials, and primary air enters the furnace body after being blown into a grate through a furnace body base. The rotary grate is of a tower structure, primary air passes through gaps of each layer of grate, and cast iron slag breaking rods are arranged on the upper edges of the grates to break large coke slag. When the grate rotates, primary air passes through the grate, the furnace slag is loosened, falls into a slag tank along the periphery of the furnace body for water cooling, is fished out by a slag remover after being cooled, and is sent to a batching workshop.

Claims (2)

1. a system for separating waste into different qualities for cement production is characterized in that: including screening machine (6), the pan feeding mouth and the waste collection room (1) of screening machine (6) communicate with each other, the first discharge gate of screening machine (6) communicates with each other with the pan feeding mouth of gasifier (8), the gas outlet of gasifier (8) and the high temperature flue gas entry intercommunication of dore (21), the discharge gate of gasifier (8) communicates with each other with the pan feeding mouth of feed proportioning system (11), the second discharge gate of screening machine (6) with the pan feeding mouth of dore (21) communicates with each other.

2. The system for separating waste for cement production according to claim 1, wherein:

A first discharge port of the sieving machine (6) is communicated with a feeding port of the gasification furnace (8) through a second plate type feeding machine (7);

A first discharge hole of the sieving machine (6) is communicated with a feeding hole of the second plate type feeding machine (7);

The discharge hole of the second plate type feeding machine (7) is communicated with the feed inlet of the gasification furnace (8);

A discharge hole of the gasification furnace (8) is communicated with a feed inlet of the batching system (11) sequentially through a slag remover (9) and a first plate chain conveyor (10);

The discharge hole of the gasification furnace (8) is communicated with the feed inlet of the slag remover (9);

a discharge hole of the slag remover (9) is communicated with a feeding hole of the first plate chain conveyor (10);

The discharge hole of the first plate chain conveyor (10) is communicated with the feed inlet of the batching system (11);

A second discharge port of the sieving machine (6) is communicated with a feed port of the movable bottom bin (13);

The discharge hole of the movable bottom bin (13) is communicated with the feeding hole of the quantitative feeder (14);

the discharge hole of the constant feeder (14) is communicated with the feeding hole of the electric three-way valve (15);

A moisture analyzer (16) is arranged between the electric three-way valve (15) and the movable bottom bin (13);

The moisture analyzer (16) is connected with a moisture content sensing component;

The moisture content sensing component is arranged in the live bottom bin (13);

The moisture content sensing component is arranged at the bottom of the live bottom bin (13);

The control signal output end of the moisture analyzer (16) is electrically connected with the control signal input end of the electric three-way valve (15);

A first discharge hole of the electric three-way valve (15) is communicated with a feed inlet of a third plate chain conveyor (17);

The discharge hole of the third plate chain conveyor (17) is communicated with the feed inlet of the bucket elevator (19);

The discharge hole of the bucket elevator (19) is communicated with the feed inlet of the air locking valve (20);

The discharge hole of the air locking valve (20) is communicated with the feeding hole of the decomposing furnace (21);

A second discharge hole of the electric three-way valve (15) is communicated with a feeding hole of the scattering dryer (18);

a discharge hole of the scattering dryer (18) is communicated with a feed hole of the third plate chain conveyor (17);

A high-temperature flue gas inlet of the scattering dryer (18) is communicated with a high-temperature flue gas outlet of the gasification furnace (8);

a high-temperature water vapor outlet of the scattering dryer (18) is communicated with a high-temperature water vapor inlet of the decomposing furnace (21) and/or communicated with a high-temperature flue gas inlet of the decomposing furnace (21);

A feeding port of the sieving machine (6) is communicated with a discharging port of the belt conveyor (5);

A feeding port of the belt conveyor (5) is communicated with a discharging port of the crusher (4);

a feeding port of the crusher (4) is communicated with a discharging port of the first plate type feeder (3);

A grab bucket (2) is arranged between a feeding port of the first plate type feeding machine (3) and the waste collection room (1);

The air outlet of the waste collection room (1) is communicated with the air inlet of the odor adjusting and controlling device (26);

A first air outlet of the odor adjusting and controlling device (26) is communicated with an air inlet of the gasification furnace (8);

A second air outlet of the odor adjusting and controlling device (26) is communicated with the high-temperature area of the grate cooler (24);

a second air outlet of the odor adjusting and controlling device (26) is communicated with an air inlet of the emergency deodorization system (27);

A liquid outlet of the waste collection room (1) is communicated with a liquid inlet of a centrifugal pump (25);

the liquid outlet of the centrifugal pump (25) is communicated with the liquid inlet of the decomposing furnace (21);

a liquid outlet of the centrifugal pump (25) is communicated with a liquid inlet of the kiln head cover (23);

The grate cooler (24) is communicated with the kiln head of the rotary kiln (22) through the kiln head cover (23);

The kiln tail of the rotary kiln (22) is communicated with the lower end of the decomposing furnace (21).