CN215049624U - Semi-solid hazardous waste pretreatment system - Google Patents
Semi-solid hazardous waste pretreatment system Download PDFInfo
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- CN215049624U CN215049624U CN202120316614.6U CN202120316614U CN215049624U CN 215049624 U CN215049624 U CN 215049624U CN 202120316614 U CN202120316614 U CN 202120316614U CN 215049624 U CN215049624 U CN 215049624U
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Abstract
The utility model provides a useless pretreatment systems of semi-solid state danger, including discharge hopper, sludge pump, disc drier, lifting machine and surge bin, the discharge hopper is used for receiving pending semi-solid state danger useless, the discharge gate of discharge hopper passes through the sludge pump and communicates each other with disc drier's feed inlet, and disc drier's discharge gate communicates each other with surge bin through the lifting machine, wherein, disc drier's heat source is steam. The utility model discloses a useless pretreatment systems of semi-solid state danger's drying effect is good, can carry out recycle to waste gas and waste water after the drying simultaneously, and pollution reduction, the application is effectual.
Description
Technical Field
The utility model relates to an environmental protection equipment technical field especially relates to a useless pretreatment systems of semi-solid state danger.
Background
The mode that the power plant deals with in coordination is generally adopted to the useless processing of semi-solid state danger among the prior art, semi-solid state danger is useless to the mixed sludge class danger of solid-liquid that has certain calorific value, this kind of mud has higher moisture content, consequently generally need through mechanical dehydration or concentrated processing, handle after making its moisture content descend, and conventional mechanical dehydration and concentrated processing among the prior art can only reduce the moisture content to about 65% generally, if directly mix burning with the coal then can produce a large amount of aqueous flue gas in the burning process, not only increase the power consumption of fan, and increase the heat loss of boiler, reduce the efficiency of system, can cause the corruption and the pollutant transfer problem of boiler afterbody heating surface even, consequently need for a system that can carry out suitable mummification to useless semi-solid state danger.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a useless pretreatment systems of half solid-state danger that has better drying effect, simultaneously environmental protection more.
The technical scheme of the utility model is realized like this: the utility model provides a useless pretreatment systems of semi-solid state danger, including discharge hopper, sludge pump, disc drier, lifting machine and surge bin, the discharge hopper is used for receiving pending semi-solid state danger useless, the discharge gate of discharge hopper passes through the sludge pump and communicates each other with disc drier's feed inlet, and disc drier's discharge gate communicates each other with surge bin through the lifting machine, wherein, disc drier's heat source is steam.
On the basis of the technical scheme, the disc dryer preferably further comprises a cyclone separator, and an air outlet of the disc dryer is communicated with an air inlet of the cyclone separator through a pipeline.
On the basis of the technical scheme, the cyclone separator preferably further comprises a cooler and a waste water tank, wherein an air outlet of the cyclone separator is communicated with an air inlet of the cooler, and a liquid outlet of the cooler is communicated with the waste water tank.
On the basis of the technical scheme, preferably, the air outlet of the cooler is communicated with the air inlet of the power plant boiler.
Still further preferably, the steam inlet of the disc dryer is communicated with the steam outlet of the boiler.
On the basis of the technical scheme, the material outlet of the buffer bin is communicated with a feeding system of the power plant boiler through the screw conveyor.
The utility model discloses a useless pretreatment systems of semi-solid-state danger has following beneficial effect for prior art:
(1) the semi-solid hazardous waste pretreatment system adopts the disc dryer to dry semi-solid hazardous waste, has better drying effect and can effectively reduce the moisture in the sludge;
(2) the disc dryer of the system heats steam generated by the boiler burning semi-solid hazardous waste, is energy-saving and environment-friendly, effectively recovers waste gas and waste water generated after drying, reduces pollution, and has good application prospect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is the utility model discloses useless pretreatment systems's of semi-solid state danger connection structure sketch map.
In the figure: 1-discharge hopper, 2-sludge pump, 3-disc drier, 4-elevator, 5-buffer bin, 6-cyclone separator, 7-cooler, 8-waste water tank, 9-screw conveyer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
As shown in fig. 1, the utility model discloses a useless pretreatment systems of semi-solid state danger, it includes discharge hopper 1, sludge pump 2, disc drier 3, lifting machine 4 and surge bin 5, and discharge hopper 1 is used for receiving pending semi-solid state danger useless, the discharge gate of discharge hopper 1 passes through sludge pump 2 and disc drier 3's feed inlet and communicates each other, and disc drier 3's discharge gate passes through lifting machine 4 and 5 mutual intercommunications in surge bin, wherein, disc drier 3's heat source is steam.
In the above embodiment, discharge hopper 1 is used for compiling the semi-solid state dangerous waste material of pending, the material is carried to disc drier 3 in through pipeline and sludge pump 2 and is dried, preferably, sludge pump 2 is the plunger pump, disc drier 3 carries out drying process to the material, the used heat source of disc drier 3 is steam, preferably, steam in disc drier 3 can derive from the steam that the boiler heating that burns mud produced, the dry sludge that finishes through 3 drying process of disc drier carries to surge bin 5 through lifting machine 4 and keeps in the processing.
In the specific embodiment, the disc dryer further comprises a cyclone separator 6, and the air outlet of the disc dryer 3 is communicated with the air inlet of the cyclone separator 6 through a pipeline.
In the above embodiment, the gas generated by the disc dryer 3 after the drying process is introduced into the cyclone 6, and is subjected to the dust removal process by the cyclone 6.
In the specific embodiment, the cyclone separator further comprises a cooler 7 and a waste water tank 8, wherein the air outlet of the cyclone separator 6 is communicated with the air inlet of the cooler 7, and the liquid outlet of the cooler 7 is communicated with the waste water tank 8.
In the above embodiment, a large amount of steam and heat still remain in the gas generated after the dust removal is completed, the remaining gas is introduced into the cooler 7 through a pipeline for cooling and heat exchange, and the condensed liquid is discharged to the waste water tank 8 for collection.
In a specific embodiment, the outlet of the cooler 7 is in communication with the inlet of the power plant boiler.
In the above embodiment, since the condenser 7 can only partially condense, a part of heat and moisture still remains in the gas discharged from the gas outlet of the condenser 7, and the generated gas and waste heat can be introduced into the boiler as combustion-supporting gas to recover heat.
In a particular embodiment, the steam inlet of the disc dryer 3 is in communication with the steam outlet of the boiler.
In the above embodiment, the steam generated in the working process of the boiler is used as the heat source of the disc dryer 3, so that the energy consumption can be reduced, and the disc dryer is more environment-friendly.
In the concrete embodiment, the device also comprises a screw conveyor 9, and the discharge hole of the buffer bin 5 is communicated with the feeding system of the power plant boiler through the screw conveyor 9.
In the above embodiment, the dried sludge in the buffer bin 5 is conveyed outwards by the screw conveyor 9, and can be conveyed into a boiler of a power plant for blending combustion treatment, so that the purpose of hazardous waste treatment is achieved.
In the above embodiment, after the semi-solid hazardous waste is dried by the disc dryer 3, the water content can be reduced to 30-40%.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a useless pretreatment systems of semi-solid state danger, its characterized in that includes discharge hopper (1), sludge pump (2), disc drier (3), lifting machine (4) and surge bin (5), and discharge hopper (1) is used for receiving the useless of semi-solid state danger of pending, the discharge gate of discharge hopper (1) communicates with each other through the feed inlet of sludge pump (2) with disc drier (3), and the discharge gate of disc drier (3) communicates with each other through lifting machine (4) and surge bin (5), wherein, the heat source of disc drier (3) is steam.
2. The semi-solid state hazardous waste pretreatment system of claim 1, further comprising a cyclone separator (6), wherein the air outlet of the disc dryer (3) is communicated with the air inlet of the cyclone separator (6) through a pipeline.
3. The semi-solid state hazardous waste pretreatment system of claim 2, further comprising a cooler (7) and a waste water tank (8), wherein the gas outlet of the cyclone (6) is communicated with the gas inlet of the cooler (7), and the liquid outlet of the cooler (7) is communicated with the waste water tank (8).
4. The semi-solid state hazardous waste pretreatment system of claim 3, characterized in that the outlet of the cooler (7) is communicated with the inlet of the power plant boiler.
5. The semi-solid state hazardous waste pretreatment system of claim 1, characterized in that a steam inlet of the disc dryer (3) is communicated with a steam outlet of a boiler.
6. The semi-solid hazardous waste pretreatment system of claim 1, characterized in that further comprises a screw conveyor (9), and the discharge port of the surge bin (5) is communicated with the feeding system of the power plant boiler through the screw conveyor (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120316614.6U CN215049624U (en) | 2021-02-04 | 2021-02-04 | Semi-solid hazardous waste pretreatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120316614.6U CN215049624U (en) | 2021-02-04 | 2021-02-04 | Semi-solid hazardous waste pretreatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215049624U true CN215049624U (en) | 2021-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202120316614.6U Active CN215049624U (en) | 2021-02-04 | 2021-02-04 | Semi-solid hazardous waste pretreatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215049624U (en) |
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2021
- 2021-02-04 CN CN202120316614.6U patent/CN215049624U/en active Active
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