CN100532940C

CN100532940C - Preprocess system of garbage power

Info

Publication number: CN100532940C
Application number: CNB2007100924546A
Authority: CN
Inventors: 朱新才; 邵毅敏; 林顺洪; 李长江
Original assignee: Chongqing University of Science and Technology
Current assignee: Chongqing University of Science and Technology
Priority date: 2007-07-19
Filing date: 2007-07-19
Publication date: 2009-08-26
Anticipated expiration: 2027-07-19
Also published as: CN101093078A

Abstract

This invention discloses a pretreatment system of generation with garbage characterizing in connecting piston handspikes of right and left liquid pumps on the right and left side walls of a squeezing box, setting a liquid impregnation pipe and a flexible turn-over plate at the bottom of the box and setting a pre-kiln array unit under the flexible turn-over plate, closely distributing three drying boxes on a conveyer bent of the kiln array unit, in which an inlet is below the belt and an outlet is above the drying box, which reduces moisture of garbage to be good to the fully burning of garbage and increase its generation efficiency and stability.

Description

Preprocess system of garbage power

Technical field

The invention belongs to a kind of refuse disposal system, specifically, is a kind of preprocess system of garbage power that utilizes the incineration firing generating.

Background technology

Present incineration firing electricity generation system, mainly be to introduce external product, comprise refuse pit, rubbish works, preheating section fire grate, combustion furnace, dedusting device and chimney, its operation principle is, rubbish in the refuse pit after the rubbish works is sent into the preheating section fire grate and carried out preheating, is admitted to the generating of combustion furnace internal combustion, and its burnt gas is introduced chimney by the dedusting device, but because external refuse classification system is more perfect, rubbish composition, processing intent and processing mode are different; And the taxonomic hierarchies of domestic rubbish and unsound, inabundant classification, the rubbish high humidity, the composition complexity, existing system is difficult to satisfy stable more, the sufficient requirement of burning.

The shortcoming of existing system is: the rubbish high humidity, and combustion instability, generating efficiency is low, has influenced production, has reduced economic benefit of enterprises, is difficult to competent domestic rubbish normal process.

Summary of the invention

The purpose of this invention is to provide a kind of preprocess system of garbage power, can reduce rubbish humidity, improve the stability and the generating efficiency of incineration firing.

For achieving the above object, the present invention is provided with a kind of preprocess system of garbage power, comprise refuse pit, the rubbish works, the preheating section fire grate, combustion furnace, dedusting device and chimney, wherein the rubbish in the refuse pit is connected with described preheating section fire grate through the rubbish works, the delivery outlet of described preheating section fire grate is connected with the input port of described combustion furnace, the burnt gas port of export of combustion furnace communicates with dedusting device exhaust gas entrance end through pipeline, the port of export of dedusting device communicates with chimney, its key is: also be provided with squeezer and predrying grate body, wherein squeezer is by extracting case, a left side, hydraulic pump is extracted on the right side, liquid-penetrating pipe, the sepage jet pump, the slag dumping hydraulic pump is formed, the described bottom of extracting case is provided with slideway, extract the left side of case, right side wall is sleeved in the described slideway, a left side, right side wall connects a described left side respectively, the piston push rod of hydraulic pump is extracted on the right side, and the described bottom of extracting case also is provided with described liquid-penetrating pipe; The described bottom of extracting case also is provided with drop in leaf; This drop in leaf lower end fixed connecting rod is connected with the piston push rod of described slag dumping hydraulic pump, and the below of drop in leaf is described predrying grate body;

Rubbish in the refuse pit is admitted to the generating of combustion furnace internal combustion after the rubbish works is sent into the preheating section fire grate and carried out preheating, its burnt gas is introduced chimney by the dedusting device.

The left and right hydraulic pump of extracting promotes left and right sidewall and extracts rubbish in the case, and the most of moisture content that mixes up in the rubbish is got rid of by liquid-penetrating pipe, has reduced the humidity of rubbish.

This predrying grate body is made up of conveyer belt, drying box and drying chamber, wherein conveyer belt tightens solid matter and is furnished with at least three drying boxes, be installed with air passing hole on each described drying box casing, one end of described conveyer belt is positioned at the below of described drop in leaf, the other end is positioned at the top of described refuse pit, and described drying chamber is passed at the middle part of conveyer belt, is provided with air inlet pipe and escape pipe in this drying chamber, wherein air inlet pipe is positioned at described conveyer belt below, and escape pipe is positioned at described drying box top;

Described air inlet pipe communicates with the port of export of described dedusting device, and the air inlet air-introduced machine is installed on this air inlet pipe.

Air inlet pipe is sent into hot-air, is blown into drying box by the air passing hole on the drying box casing, rubbish is further dried, to improve the stability and the generating efficiency of incineration firing.

Make full use of the tail gas preheating oven dry rubbish that the dedusting device produces, saved the energy.

Described rubbish works is made up of pawl bucket and driving, and its median claw bucket is installed in the driving lower end, and described Crane Rail two ends lay respectively at described refuse pit and preheating section fire grate top.

The pawl bucket is gone into the preheating section fire grate with the rubbish pawl in the refuse pit.

Described liquid-penetrating pipe communicates with described combustion furnace, and described sepage jet pump is installed on this liquid-penetrating pipe.

The rubbish sepage sprays into combustion furnace, has simplified the processing means of rubbish sepage, has reduced cost.

Described escape pipe communicates with described preheating section fire grate, on this escape pipe the air-introduced machine of giving vent to anger is installed.

Escape pipe is introduced the preheating section fire grate with rubbish waste gas, prevents the pollution of rubbish waste gas to environment.

Remarkable result of the present invention is: reduced rubbish humidity, helped the abundant burning of rubbish, improved the stability and the generating efficiency of incineration firing, simplified the processing means of rubbish sepage, reduced cost.

Description of drawings

Fig. 1 is a structured flowchart of the present invention;

Fig. 2 is the structural representation of squeezer;

Fig. 3 is the structural representation of predrying grate body.

The specific embodiment

Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.

As Fig. 1, Fig. 2, shown in Figure 3: a kind of preprocess system of garbage power, form by refuse pit 4, rubbish works, preheating section fire grate 24, combustion furnace 14, dedusting device 17, chimney 20, squeezer and predrying grate body,

Wherein the rubbish in the refuse pit 4 is connected with described preheating section fire grate 24 through the rubbish works, the delivery outlet of described preheating section fire grate 24 is connected with the input port of described combustion furnace 14, the burnt gas port of export of combustion furnace 14 communicates with dedusting device 17 exhaust gas entrance ends through pipeline, and the port of export of dedusting device 17 communicates with chimney 20; Wherein squeezer is by extracting case 2, the left and right hydraulic pump 3a that extracts, 3b, liquid-penetrating pipe 5, sepage jet pump 6, slag dumping hydraulic pump 7 are formed, the described bottom of extracting case 2 is provided with slideway 2e, extract the left and right sidewall 2a of case 2,2b is sleeved among the described slideway 2e, and left and

right sidewall

2a, 2b connect the described left and right hydraulic pump 3a that extracts respectively, the piston push rod of 3b, the described bottom of extracting case 2 also is provided with described liquid-penetrating pipe 5; The described bottom of extracting case 2 also is provided with drop in leaf 2c; This drop in leaf 2c lower end fixed connecting rod 2d is connected with the piston push rod of described slag dumping hydraulic pump 7, and the below of drop in leaf 2c is described predrying grate body;

This predrying grate body is made up of conveyer belt 8, drying box 9 and drying chamber 10, wherein conveyer belt 8 tightens solid matter and is furnished with at least three drying boxes 9, be installed with air passing hole 9a on each described drying box 9 casing, one end of described conveyer belt 8 is positioned at the below of described drop in leaf 2c, the other end is positioned at the top of described refuse pit 4, described drying chamber 10 is passed at the middle part of conveyer belt 8, be provided with air inlet pipe 11 and escape pipe 11 ' in this drying chamber 10, wherein air inlet pipe 11 is positioned at described conveyer belt 8 belows, and escape pipe 11 ' is positioned at described drying box 9 tops;

Described air inlet pipe 11 communicates with the port of export of described dedusting device 17, on this air inlet pipe 11 air inlet air-introduced machine 19 is installed.

Air inlet pipe 11 is sent into hot-air, is blown into drying box 9 by the air passing hole 9a on drying box 9 casings, rubbish is further dried, to improve the stability and the generating efficiency of incineration firing.

Make full use of the tail gas preheating oven dry rubbish that dedusting device 17 produces, saved the energy.

Described rubbish works is made up of pawl bucket 12 and driving 13, and its median claw bucket 12 is installed in driving 13 lower ends, and described driving 13 track two ends lay respectively at described refuse pit 4 and preheating section fire grate 24 tops.

Pawl bucket 12 is gone into preheating section fire grate 24 with the rubbish pawl in the refuse pit 4.

Described liquid-penetrating pipe 5 communicates with described combustion furnace 14, and described sepage jet pump 6 is installed on this liquid-penetrating pipe 5.

The rubbish sepage sprays into combustion furnace 14, has simplified the processing means of rubbish sepage, has reduced cost.

Described escape pipe 11 ' communicates with described preheating section fire grate 24, on this escape pipe 11 ' air-introduced machine 19 ' of giving vent to anger is installed.

Escape pipe 11 ' is introduced preheating section fire grate 24 with rubbish waste gas, prevents the pollution of rubbish waste gas to environment.

Its working condition is as follows:

Rubbish packed into extract in the case 2, start the left and right hydraulic pump 3a that extracts, 3b promotes left and

right sidewall

2a, 2b extracts the rubbish in the case 2, the most of moisture content that mixes up in the rubbish is got rid of by liquid-penetrating pipe 5, reduced the humidity of rubbish, restart slag dumping hydraulic pump 7, open drop in leaf 2c, rubbish falls in the drying box 9, and drying box 9 enters drying chamber 10 with conveyer belt 8, the high-temperature tail gas that air inlet pipe 11 is introduced in the chimney 20, further the rubbish in the bake drying case 9 reduces rubbish humidity, improves the combustion heat value of rubbish.

Claims

1, a kind of preprocess system of garbage power, comprise refuse pit (4), the rubbish works, preheating section fire grate (24), combustion furnace (14), dedusting device (17) and chimney (20), rubbish in the refuse pit (4) is sent into preheating section fire grate (24) through the rubbish works, the delivery outlet of described preheating section fire grate (24) is connected with the input port of described combustion furnace (14), the burnt gas port of export of combustion furnace (14) communicates with dedusting device (17) exhaust gas entrance end through pipeline, the port of export of dedusting device (17) communicates with chimney (20), it is characterized in that: also be provided with squeezer and predrying grate body, wherein squeezer is by extracting case (2), a left side, hydraulic pump (3a is extracted on the right side, 3b), liquid-penetrating pipe (5), sepage jet pump (6), slag dumping hydraulic pump (7) is formed, the described bottom of extracting case (2) is provided with slideway (2e), extract the left side of case (2), right side wall (2a, 2b) be sleeved in the described slideway (2e), a left side, right side wall (2a, 2b) connect a described left side respectively, hydraulic pump (3a is extracted on the right side, piston push rod 3b), the described bottom of extracting case (2) also is provided with described liquid-penetrating pipe (5); The described bottom of extracting case (2) also is provided with drop in leaf (2c); This drop in leaf (2c) lower end fixed connecting rod (2d) is connected with the piston push rod of described slag dumping hydraulic pump (7), and the below of drop in leaf (2c) is described predrying grate body;

This predrying grate body is by conveyer belt (8), drying box (9) and drying chamber (10) are formed, wherein conveyer belt (8) tightens solid matter and is furnished with at least three drying boxes (9), be installed with air passing hole (9a) on each described drying box (9) casing, one end of described conveyer belt (8) is positioned at the below of described drop in leaf (2c), the other end is positioned at the top of described refuse pit (4), described drying chamber (10) is passed at the middle part of conveyer belt (8), be provided with air inlet pipe (11) and escape pipe (11 ') in this drying chamber (10), wherein air inlet pipe (11) is positioned at described conveyer belt (8) below, and escape pipe (11 ') is positioned at described drying box (9) top;

Described rubbish works is made up of pawl bucket (12) and driving (13), and its median claw bucket (12) is installed in driving (13) lower end, and described driving (13) track two ends lay respectively at described refuse pit (4) and preheating section fire grate (24) top;

Described air inlet pipe (11) communicates with the port of export of described dedusting device (17), and air inlet air-introduced machine (19) is installed on this air inlet pipe (11);

Described liquid-penetrating pipe (5) communicates with described combustion furnace (14), and described sepage jet pump (6) is installed on this liquid-penetrating pipe (5).

2, preprocess system of garbage power according to claim 1 is characterized in that: described escape pipe (11 ') is introduced described preheating section fire grate (24) with rubbish waste gas, on this escape pipe (11 ') air-introduced machine (19 ') of giving vent to anger is installed.