CN211739129U - Ash discharging device of hazardous waste rotary kiln disposal system - Google Patents
Ash discharging device of hazardous waste rotary kiln disposal system Download PDFInfo
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- CN211739129U CN211739129U CN202020123122.0U CN202020123122U CN211739129U CN 211739129 U CN211739129 U CN 211739129U CN 202020123122 U CN202020123122 U CN 202020123122U CN 211739129 U CN211739129 U CN 211739129U
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- rotary kiln
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Abstract
The utility model discloses an ash discharging device of a hazardous waste rotary kiln disposal system, which comprises an ash discharging bin; the bottom of the ash discharging bin is provided with a plurality of inverted triangular conical ash hoppers; the bottom of the inverted triangular conical ash bucket is provided with a double-layer heavy hammer flap valve; the top of the ash discharging bin is provided with an air inlet and an air outlet; and a manhole door is arranged on the side wall of the inverted triangular conical ash bucket. The utility model discloses a dangerous waste rotary kiln processing system ash discharging device simple structure, cost of maintenance is low, has improved efficiency.
Description
Technical Field
The utility model belongs to the technical field of the environmental protection technique and specifically relates to a dangerous waste rotary kiln processing system ash discharging device.
Background
The rotary kiln incineration disposal process for hazardous wastes is a hazardous waste incineration technology widely adopted by hazardous waste disposal centers in various parts of China, and the hazardous wastes are subjected to oxidation combustion reaction with certain excess air in a rotary kiln to realize harmlessness, reduction and recycling of the hazardous wastes to the maximum extent. The burning treatment process of the hazardous waste rotary kiln comprises a feeding system, a rotary kiln combustion system, a waste heat recovery system and a flue gas purification treatment system, wherein in a quench tower of the flue gas purification treatment system, high-pressure atomized water vapor is sprayed into flue gas, high-temperature flue gas is rapidly cooled in the quench tower, wherein entrained smoke dust is subjected to the condensation action of expanded flow velocity and physicochemical water vapor because of the inner diameter of the tower, part of smoke dust is settled to form fly ash, the fly ash is required to be discharged outside after being gathered in an ash hopper at the bottom of the quench tower, the common fly ash is discharged outside in a mode that the fly ash falls into a flat-bottom conical ash hopper at the bottom of the quench tower and enters a star-shaped ash discharge valve at the. In the actual production operation, quench tower bottom ash flies easy because the atomizing water smoke that spouts is not evaporated completely to and because the device seal problem can flow into cold air under the negative pressure condition, lead to quench tower bottom ash to fly and coalesce into massive similar cement, will lead to defeated ash spiral and star type unloading valve card to die, and motor current overload damages equipment, blocks up the flue gas completely under the severe condition and passes through the normal operating of influence production.
SUMMERY OF THE UTILITY MODEL
In view of the above, there is a need to provide an ash discharge device for a rotary kiln disposal system of hazardous wastes, which comprises an ash discharge bin;
the bottom of the ash discharging bin is provided with a plurality of inverted triangular conical ash hoppers;
the bottom of the inverted triangular conical ash bucket is provided with a double-layer heavy hammer flap valve;
the top of the ash discharging bin is provided with an air inlet and an air outlet;
and a manhole door is arranged on the side wall of the inverted triangular conical ash bucket.
Preferably, the top of the inverted triangular conical ash hopper is fixedly connected with the ash discharging bin, and the side wall of the inverted triangular conical ash hopper is arranged in a shape of a necking cone plate; the bottom of the inverted triangular conical ash bucket is provided with a through hole.
Preferably, the inlet of the double-layer heavy hammer flap valve is fixedly connected with the through hole.
Preferably, the inverted triangular cone-shaped ash bucket is arranged corresponding to the air inlet and the air outlet.
Preferably, a plurality of the inverse triangular conical ash hoppers are arranged in parallel along the vertical direction of the ash unloading bin, and the tops of the side walls of the adjacent inverse triangular conical ash hoppers are connected.
Preferably, the manhole door and the inverted triangular conical ash bucket are movably arranged.
Preferably, the outlet of the double-layer heavy hammer flap valve is provided with a dustproof cover plate.
Compared with the prior art, the utility model discloses a hazardous waste rotary kiln processing system ash discharge device's beneficial effect:
(1) the bottom flat-bottom conical ash bucket is changed into the inverted triangular conical ash bucket, so that the inclination of the bottom ash bucket is increased, the area of an ash accumulation plane of the ash bucket is reduced, the falling fly ash moves to the bottom under the action of self weight, and the fly ash is prevented from being agglomerated;
(2) the manhole is additionally arranged on the inverted triangular conical ash bucket, so that the ash flying discharge condition can be observed manually, and meanwhile, the manhole door can be conveniently opened for cleaning;
(3) screw conveying is cancelled, and because the fly ash moves on the inclined plane by means of self weight, the screw conveying is not needed, so that the possibility of motor overload caused by the locking of the fly ash during the screw conveying is prevented;
(4) the double-layer heavy hammer flap valve is simple in structure and convenient to maintain; the double turning plates are alternately switched, so that the sealing performance is good; the bridge frame and the blocking phenomenon are not easy to occur.
Drawings
Fig. 1 is a schematic structural diagram of an ash discharge device of a rotary kiln treatment system for hazardous wastes in the utility model.
Detailed Description
The utility model provides an ash discharging device of a hazardous waste rotary kiln disposal system, which comprises an ash discharging bin 10, and is shown in figure 1;
the bottom of the ash discharging bin 10 is provided with a plurality of inverted triangular conical ash hoppers 40;
the bottom of the inverted triangular conical ash bucket 40 is provided with a double-layer heavy hammer flap valve 60;
the top of the ash discharging bin 10 is provided with an air inlet 30 and an air outlet 20;
the side wall of the inverted triangular pyramid ash bucket 40 is provided with a manhole door 50.
In the embodiment of the present invention, the ash discharging bin 10 is sealed, and the flue gas enters from the air inlet 30 and is discharged from the air outlet 20; the ash flies into the bottom of the inverted triangular conical ash bucket 40 under the action of self gravity and is discharged through the double-layer heavy hammer flap valve 60; through setting up the manhole door 50 of the lateral wall of the ash bucket 40 of the inverted triangle toper, the condition of outward discharge that inside ash flies can be observed, and the manhole door 50 can also be opened and the clearance is carried out inwards. The utility model discloses a dangerous waste rotary kiln processing system ash discharging device simple structure, the convenient maintenance, the effect is good.
Further, the top of the inverted triangular conical ash hopper 40 is fixedly connected with the ash discharging bin 10, and the side wall of the inverted triangular conical ash hopper 40 is arranged in a shape of a necking cone plate; the bottom of the inverted triangular conical ash bucket 40 is provided with a through hole. In this embodiment, the inverse triangular pyramid-shaped ash bucket 40 increases the inclination of the bottom ash bucket, reduces the area of the ash deposition plane of the ash bucket, and the falling fly ash will move to the bottom under the action of self-weight, thereby avoiding the coalescence of the fly ash.
Further, the inlet of the double-layer heavy hammer flap valve 60 is fixedly connected with the through hole and used for discharging the fly ash.
Further, the inverse triangular cone-shaped ash bucket 40 is arranged corresponding to the air inlet 30 and the air outlet 20. In this embodiment, the number of the inverse triangular cone-shaped ash buckets 40 is 2, and the inverse triangular cone-shaped ash buckets correspond to the air inlet 30 and the air outlet 20, so that the ash discharging efficiency is improved.
In another embodiment of the present invention, a plurality of the inverse triangular pyramid ash hoppers 40 are arranged in parallel along the vertical direction of the ash unloading bin 10, and are adjacent to each other, and the top of the side wall of the inverse triangular pyramid ash hopper 40 is connected, so that the ash deposition area is reduced.
Further, manhole door 50 with inverted triangle cone ash bucket 40 activity sets up, in this embodiment, one side of manhole door 50 with inverted triangle cone ash bucket 40 is articulated to be set up, the opposite side with inverted triangle cone ash bucket 40 is provided with the buckle, manhole door 50 can open the setting for to the deposition of inverted triangle cone ash bucket 40 inside is cleared up. The utility model discloses a further embodiment, correspond on the triangle-shaped ash bucket 40 be provided with the guide rail of manhole door 50 adaptation, manhole door 50 card is established in the guide rail, manhole door 50 is followed the guide rail removes, and is convenient right the inside deposition of triangle-shaped ash bucket 40 is cleared up.
Further, a dustproof cover plate 70 is arranged at the outlet of the double-layer heavy hammer flap valve 60 and used for preventing dust from flying around in the ash flying and discharging process.
Compared with the prior art, the utility model discloses a hazardous waste rotary kiln processing system ash discharge device's beneficial effect:
(1) the bottom flat-bottom conical ash bucket is changed into the inverted triangular conical ash bucket 40, so that the inclination of the bottom ash bucket is increased, the area of the ash accumulation plane of the ash bucket is reduced, the falling fly ash moves to the bottom under the action of self weight, and the fly ash is prevented from being agglomerated;
(2) the manhole is additionally arranged on the inverted triangular conical ash bucket 40, so that the ash flying discharge condition can be observed manually, and meanwhile, the manhole door 50 can be conveniently opened for cleaning;
(3) screw conveying is cancelled, and because the fly ash moves on the inclined plane by means of self weight, the screw conveying is not needed, so that the possibility of motor overload caused by the locking of the fly ash during the screw conveying is prevented;
(4) the double-layer heavy punch flap valve 60 is simple in structure and convenient to maintain; the double turning plates are alternately switched, so that the sealing performance is good; the bridge frame and the blocking phenomenon are not easy to occur.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features. The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (7)
1. An ash discharge device of a hazardous waste rotary kiln disposal system is characterized in that,
comprises an ash discharging bin;
the bottom of the ash discharging bin is provided with a plurality of inverted triangular conical ash hoppers;
the bottom of the inverted triangular conical ash bucket is provided with a double-layer heavy hammer flap valve;
the top of the ash discharging bin is provided with an air inlet and an air outlet;
and a manhole door is arranged on the side wall of the inverted triangular conical ash bucket.
2. The rotary kiln hazardous waste disposal system ash discharge device as claimed in claim 1, wherein the top of the inverted triangular conical ash bucket is fixedly connected with the ash discharge bin, and the side wall of the inverted triangular conical ash bucket is arranged in a shape of a tapered plate; the bottom of the inverted triangular conical ash bucket is provided with a through hole.
3. The rotary kiln hazardous waste disposal system ash discharge device as claimed in claim 2, wherein the inlet of the double-layer heavy hammer flap valve is fixedly connected with the through hole.
4. The rotary kiln hazardous waste disposal system ash discharge device as claimed in claim 1, wherein said inverted triangular cone shaped ash hopper is disposed corresponding to said air inlet and said air outlet.
5. The rotary kiln hazardous waste disposal system ash discharge device as claimed in claim 1, wherein a plurality of said inverted triangular pyramidal ash hoppers are arranged in parallel along the vertical direction of said ash discharge bin, and the top of the side wall of adjacent said inverted triangular pyramidal ash hoppers are connected.
6. The rotary kiln hazardous waste disposal system ash discharge device as claimed in claim 1, wherein said manhole door is movably disposed with said inverted triangular pyramidal ash bucket.
7. The rotary kiln hazardous waste disposal system ash discharge device as claimed in claim 1, wherein the outlet of said double-layer heavy hammer flap valve is provided with a dust-proof cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020123122.0U CN211739129U (en) | 2020-01-19 | 2020-01-19 | Ash discharging device of hazardous waste rotary kiln disposal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020123122.0U CN211739129U (en) | 2020-01-19 | 2020-01-19 | Ash discharging device of hazardous waste rotary kiln disposal system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211739129U true CN211739129U (en) | 2020-10-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020123122.0U Active CN211739129U (en) | 2020-01-19 | 2020-01-19 | Ash discharging device of hazardous waste rotary kiln disposal system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211739129U (en) |
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2020
- 2020-01-19 CN CN202020123122.0U patent/CN211739129U/en active Active
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