阅读说明：本技术 一种煤粉锅炉处置垃圾的系统及方法 (A kind of system and method for pulverized-coal fired boiler disposition rubbish ) 是由 周虹光 李帅英 丹慧杰 牟春华 严万军 吴庆龙 严响林 武宝会 李刚 秦昶顺 于 2019-09-20 设计创作，主要内容包括：本发明公开了一种煤粉锅炉处置垃圾的系统及方法,垃圾存储及给料系统的固体出口与分选系统的入口相连通,分选系统的固体出口与垃圾破碎系统的入口相连通,垃圾破碎系统的固体出口与垃圾气化系统的入口相连通,垃圾气化系统的出口与煤粉炉炉膛相连通,垃圾存储及给料系统的液体出口、分选系统的液体出口及垃圾破碎系统的液体出口与渗滤液收集池的入口相接通,渗滤液收集池的出口与渗滤液输送泵的入口接通,渗滤液输送泵的出口与渗滤液雾化装置的入口接通,渗滤液雾化装置的出口与垃圾气化系统的入口相连通,垃圾气化系统的废料出口与废料收集系统相连通,该系统及方法在煤粉锅炉上焚烧垃圾,实现垃圾的减量化及资源化处置。(The invention discloses a kind of system and methods of pulverized-coal fired boiler disposition rubbish, the solid outlet of rubbish storage and feeding system is connected with the entrance of separation system, the solid outlet of separation system is connected with the entrance of refuse breaking system, the solid outlet of refuse breaking system is connected with the entrance of refuse gasification system, the outlet of refuse gasification system is connected with Pulverized Fuel Boiler Furnace, the liquid outlet of rubbish storage and feeding system, the liquid outlet and the liquid outlet of refuse breaking system and the entrance of leachate collection pool of separation system are connected, the outlet of leachate collection pool and the entrance of percolate delivery pump are connected, the outlet of percolate delivery pump and the entrance of percolate atomization device are connected, the outlet of percolate atomization device is connected with the entrance of refuse gasification system, the waste outlet of refuse gasification system is connected with waste collection systems , which burns away the refuse on pulverized-coal fired boiler, realizes the minimizing and disposal of resources of rubbish.)

1. a kind of system of pulverized-coal fired boiler disposition rubbish, which is characterized in that including rubbish storage and feeding system (1), sorting system System (3), refuse breaking system (4), refuse gasification system (5), Pulverized Fuel Boiler Furnace (7), leachate collection pool (8), percolate are defeated Send pump (9), percolate atomization device (10) and waste collection systems (11)；

The solid outlet of rubbish storage and feeding system (1) is connected with the entrance of separation system (3), and separation system (3) are consolidated Body outlet is connected with the entrance of refuse breaking system (4), the solid outlet and refuse gasification system of refuse breaking system (4) (5) entrance is connected, and the outlet of refuse gasification system (5) is connected with Pulverized Fuel Boiler Furnace (7), rubbish storage and feeding system (1) liquid outlet of liquid outlet, separation system (3) and the liquid outlet and leachate collection pool of refuse breaking system (4) (8) entrance is connected, and the outlet of leachate collection pool (8) and the entrance of percolate delivery pump (9) are connected, percolate delivery pump (9) entrance of outlet and percolate atomization device (10) is connected, the outlet of percolate atomization device (10) and refuse gasification system The entrance of system (5) is connected, and the waste outlet of refuse gasification system (5) is connected with waste collection systems (11).

2. the system of pulverized-coal fired boiler disposition rubbish according to claim 1, which is characterized in that rubbish storage and feeding system (1) the first refuse transport system of outlet (21) is connected with the entrance of separation system (3)；

The second refuse transport system of outlet (22) of separation system (3) is connected with the entrance of refuse breaking system (4)；

The outlet of refuse breaking system (4) is connected through third refuse transport system (23) with the entrance of refuse gasification system (5).

3. the system of pulverized-coal fired boiler disposition rubbish according to claim 1, which is characterized in that refuse gasification system (5) is logical Gasification product transportation system (6) is crossed to be connected with Pulverized Fuel Boiler Furnace (7).

4. the system of pulverized-coal fired boiler disposition rubbish according to claim 1, which is characterized in that gasification product transportation system It (6) is newly-built transportation system, the primary air system of existing pulverized-coal fired boiler or the secondary air system of existing pulverized coal boiler.

5. a kind of system of pulverized-coal fired boiler disposition rubbish according to claim 1, which is characterized in that rubbish is by broken Afterwards, into gasifying in refuse gasification system (5), it is converted to synthesis gas.

6. a kind of system of pulverized-coal fired boiler disposition rubbish according to claim 1, which is characterized in that further include and coal-powder boiler The smoke processing system that the outlet of burner hearth (7) is connected.

7. a kind of method of pulverized-coal fired boiler disposition rubbish, which is characterized in that dispose rubbish based on pulverized-coal fired boiler described in claim 1 The system of rubbish, comprising the following steps:

Rubbish storage and the rubbish of feeding system (1) output enter sorting in separation system (3) and reject noncombustible matter, are re-fed into Refuse breaking system is crushed in (4), and the broken rubbish of refuse breaking system (4) output enters refuse gasification system (5) gasify in, the percolate of rubbish storage and feeding system (1), separation system (3) and refuse breaking system (4) generation It is sent into leachate collection pool (8) to be collected, the percolate in leachate collection pool (8) is sent by percolate delivery pump (9) Percolate atomization device is atomized in (10), and the percolate after being atomized, which enters in refuse gasification system (5), to gasify, rubbish The synthetic gas that rubbish gasification system (5) generates is sent into Pulverized Fuel Boiler Furnace (7) and is burned, what refuse gasification system (5) generated Solid waste, which enters in waste collection systems (11), to be collected.

Technical field

The invention belongs to garbage treatment technique fields, are related to a kind of system and method for pulverized-coal fired boiler disposition rubbish.

Background technique

As national urbanization process promotes, municipal refuse is more and more, and garbage-surrounded city phenomenon occur in many areas, sternly Urban development is constrained again, and refuse disposal becomes a focal issue.Currently, landfill is the main waste disposal method in China, It is easy to cause soil pollution, underground water pollution and ambient atmosphere environmental pollution, and waste incineration is as a kind of recycling and decrement The processing mode of change is increasingly taken seriously.Traditional garbage incineration method has grate furnace burns and fluid bed furnace burns etc., by There is extremely toxic substance dioxin in horizontal (900 DEG C) limitations of its fire box temperature, the flue gas of discharge, shadow can be caused to environment It rings.Pulverized coal furnace bore temperature is up to 1300~1500 DEG C, can decompose dioxin and precursor completely, effectively contains dioxin It generates, in addition, pulverized-coal fired boiler tail flue gas is equipped with complete flue gas purification system.

Summary of the invention

It is an object of the invention to overcome the above-mentioned prior art, provide a kind of pulverized-coal fired boiler disposition rubbish is System and method, the system and method are burnt away the refuse on pulverized-coal fired boiler, realize the minimizing and disposal of resources of rubbish.

In order to achieve the above objectives, the system of pulverized-coal fired boiler disposition rubbish of the present invention includes rubbish storage and feed system System, refuse breaking system, refuse gasification system, Pulverized Fuel Boiler Furnace, leachate collection pool, percolate delivery pump, seeps separation system Filtrate atomising device and waste collection systems；

The solid outlet of rubbish storage and feeding system is connected with the entrance of separation system, the solid outlet of separation system It is connected with the entrance of refuse breaking system, the solid outlet of refuse breaking system is connected with the entrance of refuse gasification system, The outlet of refuse gasification system is connected with Pulverized Fuel Boiler Furnace, the liquid outlet of rubbish storage and feeding system, separation system The entrance of the liquid outlet and leachate collection pool of liquid outlet and refuse breaking system is connected, the outlet of leachate collection pool It is connected with the entrance of percolate delivery pump, the outlet of percolate delivery pump and the entrance of percolate atomization device are connected, percolate The outlet of atomising device is connected with the entrance of refuse gasification system, the waste outlet and waste collection systems of refuse gasification system It is connected.

The first refuse transport system of outlet of rubbish storage and feeding system is connected with the entrance of separation system；

The second refuse transport system of outlet of separation system is connected with the entrance of refuse breaking system；

The outlet of refuse breaking system is connected through third refuse transport system with the entrance of refuse gasification system.

Refuse gasification system is connected by gasification product transportation system with Pulverized Fuel Boiler Furnace.

Gasification product transportation system is the primary air system or existing of newly-built transportation system, existing pulverized-coal fired boiler The secondary air system of pulverized coal boiler.

Rubbish, into gasifying in refuse gasification system, is converted to synthesis gas after broken.

It further include the smoke processing system that the outlet with Pulverized Fuel Boiler Furnace is connected.

The method of pulverized-coal fired boiler of the present invention disposition rubbish the following steps are included:

Rubbish storage and the rubbish of feeding system output enter sorting in separation system and reject noncombustible matter, are re-fed into rubbish It is crushed in rubbish crushing system, the broken rubbish of refuse breaking system output, which enters, carries out gas in refuse gasification system Change, the percolate of rubbish storage and feeding system, separation system and the generation of refuse breaking system is sent into leachate collection pool and is carried out It collects, the percolate in leachate collection pool is pumped into percolate atomization device by percolate conveying and is atomized, through mist Percolate after change, which enters in refuse gasification system, to gasify, and the synthetic gas that refuse gasification system generates is sent into pulverized coal furnace It is burned in thorax, the solid waste that refuse gasification system generates, which enters in waste collection systems, to be collected.

The invention has the following advantages:

When specific operation, rubbish storage and feed are the system and method for pulverized-coal fired boiler disposition rubbish of the present invention The rubbish of system output, which is introduced into garbage sorting system, separates noncombustible matter (metal block etc.) with rubbish, by sorting Rubbish afterwards, which enters in refuse breaking system, is broken into little particle, to meet gasification system requirement, is then fed into refuse gasification system Synthesis gas is converted in system, the percolate generated in the process is sent into percolate atomization after collecting by leachate collection pool and is filled It is atomized in setting, is then fed into refuse gasification system and gasifies, the synthesis gas that refuse gasification system generates is sent into coal dust It is burned in furnace burner hearth, to burn away the refuse on pulverized-coal fired boiler, the minimizing and disposal of resources of rubbish is realized, in addition, rubbish The solid waste that gasification system generates is collected by waste collection systems, and the solid waste of collection can be comprehensively utilized, For example, as building trade filler.The present invention is up to 1300 DEG C~1500 DEG C using pulverized coal furnace bore temperature, the residence time reaches The complete flue gas purification system etc. of 3s or more and tail portion, burns rubbish, can decompose two generated in combustion process English and precursor are disliked, has effectively contained the generation of dioxin, and solve the emission problem of the other pollutants of Refuse Incineration Process, this The solid waste generated in external system can comprehensively utilize, and realize the recycling and minimizing processing of rubbish.

Detailed description of the invention

Fig. 1 is schematic diagram of the invention.

Wherein, 1 be rubbish storage and feeding system, 21 be the first refuse transport system, 22 be the second refuse transport system, 23 it is third refuse transport system, 3 be separation system, 4 be refuse breaking system, 5 be refuse gasification system, 6 is gasification product Transportation system, 7 be Pulverized Fuel Boiler Furnace, 8 be leachate collection pool, 9 be percolate delivery pump, 10 be percolate atomization device, 11 For waste collection systems.

Specific embodiment

The invention will be described in further detail with reference to the accompanying drawing:

With reference to Fig. 1, the system of pulverized-coal fired boiler disposition rubbish of the present invention includes rubbish storage and feeding system 1, divides Select system 3, refuse breaking system 4, refuse gasification system 5, Pulverized Fuel Boiler Furnace 7, leachate collection pool 8, percolate delivery pump 9, Percolate atomization device 10 and waste collection systems 11；The solid outlet of rubbish storage and feeding system 1 enters with separation system 3 Mouth is connected, and the solid outlet of separation system 3 is connected with the entrance of refuse breaking system 4, and the solid of refuse breaking system 4 goes out Mouth is connected with the entrance of refuse gasification system 5, and the outlet of refuse gasification system 5 is connected with Pulverized Fuel Boiler Furnace 7, rubbish storage And liquid outlet, the liquid outlet of separation system 3 and the liquid outlet and percolate of refuse breaking system 4 of feeding system 1 are received The entrance in collection pond 8 is connected, and the outlet of leachate collection pool 8 and the entrance of percolate delivery pump 9 are connected, percolate delivery pump 9 Outlet and the entrance of percolate atomization device 10 connect, the outlet of percolate atomization device 10 and entering for refuse gasification system 5 Mouth is connected, and the waste outlet of refuse gasification system 5 is connected with waste collection systems 11.

The first refuse transport system of outlet 21 of rubbish storage and feeding system 1 is connected with the entrance of separation system 3； The second refuse transport system of outlet 22 of separation system 3 is connected with the entrance of refuse breaking system 4；Refuse breaking system 4 Outlet be connected through third refuse transport system 23 with the entrance of refuse gasification system 5；Refuse gasification system 5 is produced by gasification Product transportation system 6 is connected with Pulverized Fuel Boiler Furnace 7.

The invention also includes the smoke processing systems that the outlet with Pulverized Fuel Boiler Furnace 7 is connected；Gasification product transportation system 6 For newly-built transportation system, the primary air system of existing pulverized-coal fired boiler or the secondary air system of existing pulverized coal boiler.

The method of pulverized-coal fired boiler of the present invention disposition rubbish the following steps are included:

The rubbish that rubbish storage and feeding system 1 export enters sorting in separation system 3 and rejects noncombustible matter, is re-fed into It is crushed in refuse breaking system 4, the broken rubbish that refuse breaking system 4 exports enters in refuse gasification system 5 Gasify, the percolate of rubbish storage and feeding system 1, separation system 3 and the generation of refuse breaking system 4 is sent into percolate and is received Collection pond 8 is collected, and the percolate in leachate collection pool 8 is sent into percolate atomization device 10 by percolate delivery pump 9 It is atomized, the percolate after being atomized, which enters in refuse gasification system 5, to gasify, the synthesis that refuse gasification system 5 generates Gas is sent into Pulverized Fuel Boiler Furnace 7 and is burned, and the solid waste that refuse gasification system 5 generates enters in waste collection systems 11 It is collected, the solid waste of collection can comprehensively utilize, to realize recycling, minimizing and the harmless treatment of rubbish, wherein The temperature of Pulverized Fuel Boiler Furnace 7 is up to 1300 DEG C~1500 DEG C, and rubbish residence time in Pulverized Fuel Boiler Furnace 7 reaches 3s or more, The tail gas that incineration firing generates, which enters in flue gas purification system, to be handled.