CN101749715B - Continuous garbage feeder capable of sealing fume and preventing clogging - Google Patents

Abstract

The invention relates to a component of a garbage incinerator, in particular to a continuous garbage feeder capable of sealing fume and preventing clogging in the garbage incinerator. The invention aims to provide a feeder which can avoid garbage bridge formation and fume leakage and spontaneous combustion of garbage exposed to heat all the time in operation. The invention has the technical scheme that the shape of the continuous garbage feeder is the combination of two prismatic tables; a hopper is in an inverted prismatic table shape with a bigger top and a smaller bottom, and the bottom end is provided with a blanking port; and the bottom end of the hopper is provided with a chute which is communicated with the blanking port of the hopper. The invention is characterized in that the chute is in a perfect prismatic table shape with a smaller top and a bigger bottom; and the inner cavity of the hopper is provided with a bridge breaker which can move up and down to eliminate the garbage bridge formation. The inner cavity of the chute is also provided with a rotatable baffle door, and the baffle door is driven by a driving device to realize the opening and the closing of a garbage channel.

Description

A kind of ability sealing fume and anticlogging continuous garbage feeder

Technical field

The present invention relates to a kind of parts of incinerator, specifically is to have sealing fume and anticlogging continuous garbage feeder in the incinerator.

Background technology

In incinerator, how to realize the inside and outside gas of Sealing furnace, can guarantee continuous and unobstructed ground feed again simultaneously, be the decision incinerator first step whether normal and stable is moved.So the rubbish feeding device that designed must possess the rubbish that grab bucket is dropped into and temporarily store, utilize rubbish deadweight continuous feeding in incinerator, utilize the thickness of rubbish itself to form sealant simultaneously to prevent air and bleed in the stove and flue gas leaks outside.It is rationally whether most important that the rubbish feeding device designs.

In the one Chinese patent application file; Number of patent application is the feed arrangement that 01244847.8 file discloses a kind of domestic waste incineration; Hopper wherein is that up big and down small chamfered edge platform shape and bottom is shaped on blanking port, and the hopper bottom is provided with the chute connected with the hopper blanking port; The hopper bottom of this kind structure is easy to generate rubbish arch formation (rubbish is blocked in the hopper to fall), and rubbish is built bridge back a period of time, and the flue gas in the incinerator just can be scurried out, and influences the normal operation of incinerator.

And number of patent application is in the integrated burner hearth hopper construction part of 99229807.5 the disclosed domestic waste incineration of file, and hopper is the combination of two up big and down small terrace with edges, is easy to generate the phenomenon that rubbish is built bridge and flue gas is scurried equally outward.

Summary of the invention

Technical problem to be solved by this invention is exactly the deficiency that overcomes the above-mentioned background technology; A kind of improvement of domestic waste incineration feeding device is provided; This feeding device can avoid producing the rubbish arch formation, the leakage and the rubbish spontaneous combustion by heating that can be in operation again and at every moment avoid flue gas.

Technical scheme provided by the invention is: a kind of ability sealing fume and anticlogging incinerator continuous feeding device; This feeding device is shaped as the combination of two terrace with edges; Hopper wherein is that up big and down small chamfered edge platform shape and bottom is shaped on blanking port, and the hopper bottom is provided with the chute connected with the hopper blanking port; It is characterized in that described chute is up-small and down-big positive terrace with edge shape; Also being provided with one in the inner chamber of said hopper can move up and down to eliminate the broken Biodge device of rubbish arch formation.

One rotating baffle door also is set in the inner chamber of said chute, and this baffle door is driven by a drive unit, realizes the opening and closing of garbage shaft.

Described broken Biodge device comprises a stamp stem and order about the power set that this stamp stem moves between hopper and chute.

Described baffle door is hinged on through a jointed shaft on the cell wall of feeding device middle part, and the tommy bar on the baffle door was stretched over outside the feeding device after passing through the through hole on the cell wall, and was hinged with said drive unit.

The closed cavity of hollow is processed by the wall portion of said chute, and this closed cavity is connected the water source through water pipe and formed the water leg that can lower the temperature.

The cross section of said chute begins from the top down to become gradually greatly, and inner wall surface formed angle [alpha] in chute both sides is less than 10 degree.

The top of said chute walls portion is toward outer wall direction protrusion, form one help eliminating the rubbish arch formation the larynx joint.

The symmetrical center line of said chute and the angle of horizontal plane are the 75-90 degree.

Said power set, drive unit are hydraulic means, pneumatic shuttle or mechanical actuation device.

Said water source is the water tank that is provided with on the feeding device; Also be provided with the tank ball-float valve that opens and closes water pipe on this water tank.

Operation principle of the present invention is: the stamp stem that is moved by the aditus laryngis position between hopper and chute of power set (showing it is hydraulic means among the figure) drive makes the rubbish at this place of process be in the state of moving downward, and also just can't pile up and then eliminate the rubbish arch formation naturally.Be arranged on the baffle door of feeding device middle part, be in opening under the normal operating condition at ordinary times, rely on to be stored in the feeding device bed of material of height about about 3～7m, played sealing function; Incinerator is when start and stop and under the state of emergency, and this baffle door is driven by drive unit (showing it is hydraulic means among the figure) and realizes closing, and can effectively prevent the leakage of flue gas.The chute of feeding device bottom adopts the water leg pattern of water-cooling pattern, can avoid the rubbish spontaneous combustion by heating; Ball-cock assembly in the water tank is the moisture content that evaporates by heat of supply feeding device water leg internal cause automatically.

The invention has the beneficial effects as follows:

1, feeding device is shaped as the combination of two terrace with edges; Hopper is up big and down small chamfered edge platform shape; Chute is up-small and down-big positive terrace with edge shape, and as long as rubbish is smoothly through hopper and chute connecting portion (claiming aditus laryngis again, is the narrowest and small position of this device); Generally just can not produce arch formation, this feeding device shape can prevent to greatest extent that rubbish from stopping up.

2, in hopper, be provided with the broken Biodge device that cover power set drive,, also can thoroughly solve through this device even the bridging phenomenon of large scale rubbish takes place.

3, adopt the water leg form to come cooled materials, can prevent to stack rubbish after a couple of days effectively and mix at the feeding device place with the furnace high-temperature flue gas and produce burning.

There is the bed of material of height about 3～7m when 4, moving in the feeding device, played sealing function, in order to avoid air infilters in the stove.

5, the cross section of chute bottom enlarges with respect to the cross section, top to some extent, has to prevent to stop up effect.

6, the chute inner wall part has steeper angle of inclination, and rubbish can't be detained, and can prevent to greatest extent that rubbish from stopping up; And the junction of hopper and chute is designed to protruding larynx joint to the outer wall direction, and the effect that prevents that rubbish from stopping up is also arranged.

Description of drawings

Fig. 1 is a main TV structure sketch map of the present invention.

Fig. 2 is that A among Fig. 1 is to the structure for amplifying sketch map.

Fig. 3 is that D-D among Fig. 2 is to structural representation.

Fig. 4 is that B-B among Fig. 2 is to structural representation.

The specific embodiment

As shown in the figure, the feeding device of this incinerator, feeding device are shaped as the combination of two terrace with edges; Hopper 1 wherein is shaped on blanking port for up big and down small chamfered edge platform shape and bottom; The hopper bottom is provided with the chute 5 connected with the hopper blanking port, and chute is up-small and down-big positive terrace with edge shape, and as long as rubbish is smoothly through hopper and chute connecting portion (claiming aditus laryngis 2 again); Generally just can not produce arch formation, stop up so the shape of this feeding device can prevent rubbish to greatest extent; Because hopper and chute connecting portion are easier to produce the rubbish arch formation, so (especially at aditus laryngis 2 positions) are provided with several and can move up and down and be used for thoroughly solving the broken Biodge device 9 of rubbish arch formation in the inner chamber of hopper; Should comprise at least one stamp stem 9-1 by broken Biodge device, this stamp stem is driven by power set, and the position, boundary between hopper and chute (aditus laryngis 2 positions) motion makes and should keep flow regime by place's rubbish, also just can not produce arch formation.Broken Biodge device shown in Figure 4 is driven by hydraulic means; Wherein: on the groove seat 10 of feeding device, piston rod 9-12 down stretches out from the bottom of cylinder sleeve 9-11 the top of cylinder sleeve 9-11 hinged (pin joint 10-1), and can under the driving of hydraulic oil, do motion up and down; (cylinder sleeve 9-11 inserts the inner chamber of guide rod to the guide rod 9-1 of the hinged tubular in the bottom of piston rod 9-12, and can slide along the surface of guide rod at the axis direction of guide rod; An articulated joint 9-15 is fixed in the bottom of guide rod 9-1 inner chamber, and the bottom of this articulated joint and piston rod 9-12 is hinged).Obviously, this hydraulic means also has same effect as substituting with pneumatic means (being made up of cylinder, air pump) or mechanical actuation device (like screw body).

The middle part of said feeding device (being the aditus laryngis 2 between hopper and the chute) also is provided with a rotating baffle door 7, and this baffle door is driven by hydraulic means (baffle plate oil cylinder), carries out opening and closing at the aditus laryngis position.Can know that by Fig. 1 this baffle door 7 is horizontally hinged on cell wall through a jointed shaft 8-5; Be stretched over outside the feeding device after the tommy bar 7-1 that is fixedly connected with this baffle door 7 passes through the through hole on the cell wall, be connected with a drive unit.The drive unit that shows among the figure is a hydraulic means; Wherein: the top of the piston rod 8-1 of tommy bar 7-1 and baffle plate oil cylinder is hinged, and the bottom of baffle plate cylinder block 8-2 is hinged on again on the outer wall of feeding device (pin joint 8-3).Nature, this drive unit also can have effect same by substituting with pneumatic means (comprising cylinder, air pump) or mechanical actuation device (like screw body or gear train).

The closed condition (dotted line is represented) and the opening (being fitted on the inwall of feeding device) that have also shown baffle door 7 among Fig. 1.

Show also among Fig. 1 that stamp stem 9-1 will pass through the aditus laryngis position downwards during work, so stamp stem should carry out work (otherwise both will produce interference) when baffle door 7 openings; This needs to adopt simple circuit to realize control to the working procedure of two hydraulic means.

The closed cavity that hollow is also processed by the wall portion of said chute forms a water leg 3 (can adopt steel plate to make usually), and this water leg is connected the water source through water pipe, can lower the temperature to the rubbish in the chute.Said water source is the water tank 6 that is provided with on the feeding device; This water tank is communicated with water leg 3 through water pipe 4, is used for the moisture content that supplementing water chuck internal cause evaporates by heat; Water tank is provided with the tank ball-float valve that opens and closes water pipe.In addition, chute should be advisable more suddenly, and the symmetrical center line of general chute and the angle of horizontal plane are recommended as the 75-90 degree.

Said chute recommends to adopt positive terrace with edge shape; The cross section that is chute begins from the top down to become gradually greatly, and the formed angle [alpha] of chute both sides inner wall surface (shown in Figure 1) is less than 10 degree, and recommendation is 1～2 degree.

The top of said chute walls portion also be shaped on one this help eliminating the larynx joint 2-1 of rubbish arch formation, the wall portion that makes chute is toward outer wall direction protrusion (the protrusion degree can be confirmed as required); It is mobile that rubbish can be obviously accelerated in this design, prevents that rubbish from stopping up.

Feeding device recommends to adopt carbon steel material to process.

Claims (1)

1. an ability sealing fume and anticlogging incinerator continuous feeding device; Feeding device is shaped as the combination of two terrace with edges; Hopper wherein (1) is shaped on blanking port for up big and down small chamfered edge platform shape and bottom, and the hopper bottom is provided with the chute (5) connected with the hopper blanking port; The cross section that it is characterized in that said chute is up-small and down-big positive terrace with edge shape, also is provided with one in the inner chamber of described hopper and can moves up and down to eliminate the broken Biodge device (9) of rubbish arch formation;

One rotating baffle door (7) also is set in the inner chamber of said chute, and this baffle door is driven by a drive unit, realizes the opening and closing of garbage shaft;

Described baffle door (7) is hinged on through a jointed shaft on the cell wall of feeding device middle part, and the tommy bar on the baffle door (7-1) was stretched over outside the feeding device after passing through the through hole on the cell wall, and was hinged with said drive unit;

Described broken Biodge device (9) comprises a stamp stem (9-1) and order about the power set that this stamp stem moves between hopper and chute;

The closed cavity of hollow is processed by the wall portion of said chute, and this closed cavity is connected the water source through water pipe (4) and formed the water leg (3) that can lower the temperature;

Said water source is the water tank (6) that is provided with on the feeding device; Also be provided with the tank ball-float valve that opens and closes water pipe on this water tank;

The cross section of said chute (5) begins from the top down to become gradually greatly, and inner wall surface formed angle [alpha] in chute both sides is less than 10 degree;

The top of said chute walls portion is toward outer wall direction protrusion, form one help eliminating the rubbish arch formation larynx joint (2-1);

The symmetrical center line of said chute and the angle of horizontal plane are the 75-90 degree;

Said power set, drive unit are hydraulic means, pneumatic shuttle or mechanical actuation device.

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