CN202281470U - System utilizing combustion tail gas to dry papermaking waste residue - Google Patents
System utilizing combustion tail gas to dry papermaking waste residue Download PDFInfo
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- CN202281470U CN202281470U CN2011203482807U CN201120348280U CN202281470U CN 202281470 U CN202281470 U CN 202281470U CN 2011203482807 U CN2011203482807 U CN 2011203482807U CN 201120348280 U CN201120348280 U CN 201120348280U CN 202281470 U CN202281470 U CN 202281470U
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- tail gas
- drying
- oven dry
- paper mill
- waste sludge
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Abstract
A system utilizing combustion tail gas to dry papermaking waste residue belongs to the technical field of material drying equipment, and comprises a feeding device and a drying device that are connected in a hermetically connected manner, wherein the feeding device comprises a feeding double-helix device; a feed opening of the feeding double-helix device is matched with a belt conveyor; and a discharge port of the feeding double-helix device is connected with a feed bin. The system is characterized in that a drying tail gas conduit is arranged at the top of the feed bin in a matched manner; a mixture gas drain valve, an induced draft fan, a tail gas output control valve and a cold air control valve are sequentially arranged on the drying tail gas conduit; and a mixture gas control valve is arranged on the tail gas conduit at a position close to the feed bin. In the utility model, tail gas generated by a combustion device during the follow-up cracking process is adopted as the heat source for drying, and the feeding volume and the temperature of tail gas are controlled through the arranged valves to dry the papermaking residue in a drying roller, so that the system is economic and saves energy; impurity removal screen openings are arranged at the tail part of the drying roller to perform further separation for components of the papermaking residue, so as to provide higher quality raw material for the cracking technology.
Description
Technical field
The utility model belongs to the drying materials equipment technical field, is specifically related to that a kind of cost is low, the system that utilizes combustion tail gas oven dry waste sludge from paper mill of good drying effect.
Technical background
Utilize regenerated papermaking not only can practice thrift cost; And can alleviate the contradiction of paper making raw material short supply; Therefore regenerated papermaking occupies an important position at paper industry, yet meanwhile regenerated papermaking also produces a large amount of waste sludge from paper mill, and its main component is remaining paper pulp and waste plastics; Wherein waste plastics is difficult for degraded, causes white pollution.The main processing mode of waste sludge from paper mill is a WATER-WASHING METHOD at present, utilizes the density variation of each component, sub-elects wherein waste plastics through washing, and the waste plastics that is sub-elected is generally as the raw material of making the low side plastic products.Though this method can be recycled the waste plastics in the waste sludge from paper mill, consume great amount of water resources, produce a large amount of sewage and waste gas, to the environment structure serious threat.The various compositions in the waste sludge from paper mill can separated and make full use of to another kind of novel waste sludge from paper mill comprehensive reutilization technology, and this technology is separated paper pulp earlier with waste plastics, and the paper pulp of generation is as paper making raw material, and waste plastics is by Pintsch process output gasoline, diesel component.Yet the cracking process of this technology has higher requirement to the degree of drying of waste sludge from paper mill, thus waste sludge from paper mill must pass through except that water treatment to reduce its water content.Main water-eliminating method on the current industrial has: heating, drying, and it is air-dry to be exposed to the sun; Wherein oven dry can be divided into electrical heating and burning heating again, and two kinds of heating, drying mode energy consumptions are big, and cost is high; The air-dry natural resources that utilizes that is exposed to the sun dewaters, and cost is low, but strong to the natural weather dependence, the oven dry poor stability.
The utility model content
To the problems referred to above that exist in the prior art, the present invention provides a kind of system that utilizes combustion tail gas oven dry waste sludge from paper mill of oven dry waste sludge from paper mill of with low cost, continous-stable.
The described system that utilizes combustion tail gas oven dry waste sludge from paper mill; Comprise the feed arrangement and the drying unit that are tightly connected; Described feed arrangement comprises charging double helix device, and charging double helix device charging aperture matches with belt conveyor, and discharging opening is connected with feeding warehouse; It is characterized in that described feeding warehouse top is equipped with the oven dry exhaust pipe; Be provided with gaseous mixture drain valve, air-introduced machine, tail gas output control valve and cold wind control valve on the oven dry exhaust pipe successively, described exhaust pipe is provided with the mixture control valve near the feeding warehouse place, and used combustion tail gas is the heat air of heating pyrolyze device.
The described system that utilizes combustion tail gas oven dry waste sludge from paper mill; It is characterized in that drying roller that described drying unit comprises an end and feeding warehouse and be tightly connected, be communicated with the drying roller discharging opening go out feed bin, described drying roller is obliquely installed, discharging opening is lower than charging aperture; The drying roller cylindrical shell is provided with travelling gear; At the drying roller internal interval L type deflector is set, its outer wall parcel is provided with the heat-preservation cotton layer, describedly goes out the feed bin top and is equipped with and goes out the escape pipe that blower fan is connected.
The described system that utilizes combustion tail gas oven dry waste sludge from paper mill is characterized in that the outer wall parcel of described exhaust pipe is provided with the heat-preservation cotton layer.
The described system that utilizes combustion tail gas oven dry waste sludge from paper mill is characterized in that described belt conveyor tilts to place, and low side is the waste sludge from paper mill inlet, high-endly matches with charging double helix charging aperture.
The described system that utilizes combustion tail gas oven dry waste sludge from paper mill is characterized in that the stack shell that described drying roller is positioned at feed bin is arranged at intervals with the deslagging sieve aperture.
The above-mentioned system that utilizes combustion tail gas oven dry waste sludge from paper mill; Comprise the feed arrangement and the drying unit that are tightly connected; Described feed arrangement comprises charging double helix device; Charging double helix device charging aperture matches with belt conveyor, and discharging opening is connected with feeding warehouse, and described feeding warehouse top is equipped with the oven dry exhaust pipe; Be provided with gaseous mixture drain valve, air-introduced machine, tail gas output control valve and cold wind control valve on the oven dry exhaust pipe successively, described exhaust pipe is provided with the mixture control valve near the feeding warehouse place.
The oven dry thermal source that the utility model adopted is the tail gas that burner produces in the follow-up cracking process, through valve control tail gas input and the temperature that is provided with, with drying roller waste sludge from paper mill oven dry inside, not only economy but also energy savings; Be provided with the removal of impurities sieve aperture at the drying roller afterbody, each component of waste sludge from paper mill is further separated, for cracking technology provides the more raw material of high-quality.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Among the figure: 1-belt conveyor, 2-charging double helix device, 3-gaseous mixture drain valve, 4-cold wind control valve; 5-tail gas output control valve, 6-air-introduced machine, 7-mixture control valve, 8-feeding warehouse; The 9-travelling gear, the 10-drying roller, 11-L type deflector, 12-goes out feed bin; 13-goes out blower fan, 14-deslagging sieve aperture, and 15-is dried exhaust pipe.
The specific embodiment
Below in conjunction with Figure of description the present invention is further described:
As shown in Figure 1; Utilize the system of combustion tail gas oven dry waste sludge from paper mill; Comprise the feed arrangement and the drying unit that are tightly connected, described feed arrangement comprises charging double helix device 2, and charging double helix device 2 charging apertures match with belt conveyor 1; Discharging opening is connected with feeding warehouse 8; Feeding warehouse 8 tops are equipped with oven dry exhaust pipe 15, are provided with gaseous mixture drain valve 3, air-introduced machine 6, tail gas output control valve 5 on the oven dry exhaust pipe 15 successively and can regulate the cold wind control valve 4 of the temperature of combustion tail gas according to actual needs, and described exhaust pipe road is closely dried the gas inlet end and is equipped with mixture control valve 7.When exhaust temperature is too high, can open cold wind control valve 4, entrained air is to reduce temperature; Mix the back gas flow temperature for ease of measuring, thermocouple thermometer is housed in the air-introduced machine outlet; The throughput that mixture control valve 7 gets into drying unit in order to control is installed gaseous mixture drain valve 3, simultaneously to discharge unnecessary gaseous mixture between air-introduced machine and mixture control valve; Said exhaust pipe pipeline outer wall is enclosed with heat-preservation cotton.
Described drying unit comprise drying roller 10 that an end and feeding warehouse 8 be tightly connected, be connected with drying roller 10 discharging openings go out feed bin 12; Described drying roller 10 is obliquely installed; Discharging opening is lower than charging aperture, and the center is equipped with travelling gear 9, and internal interval is provided with L type deflector 11; Its outer wall parcel is provided with the heat-preservation cotton layer, describedly goes out feed bin 12 tops and is equipped with and goes out the escape pipe that blower fan 13 is connected.
Said feed arrangement comprises belt conveyor 1, charging double helix 2, feeding warehouse 8, and said feeding warehouse 8 is a rectangular structure, a side and said airtight connection of drying roller 10 charging apertures, and the top is provided with the oven dry gas inlet; Belt conveyor 1 tilts to place, and is the waste sludge from paper mill inlet than low side, and higher-end is connected with charging double helix 2 charging apertures; Said charging double helix 2 horizontal positioned, discharge end stretches into feeding warehouse 8 interior bottom portion, and charging aperture is positioned at feeding warehouse 8 outsides, and double helix 2 adopts with feeding warehouse 8 and is tightly connected.
Said drying roller 10 is a cylindrical structure, and outer wall is enclosed with heat-preservation cotton; Drying roller 9 middle parts are provided with travelling gear 9, and power is provided by motor; For promoting waste sludge from paper mill towards the motion of discharging opening direction, drying roller tilts to install in the vertical, and concrete angle of inclination can be adjusted according to actual conditions, and the cylinder madial wall is provided with L type deflector 11; Feed bin 15 is stretched into out in the outlet of drying roller 10, exports from going out feed bin for the waste sludge from paper mill after will drying, and goes out the feed bin interior bottom portion and is provided with belt conveyor, and the belt throughput direction of belt conveyor is vertically vertical with cylinder; For separating the remaining paper pulp in the waste sludge from paper mill, the drying roller 11 shaft afterbodys of said drying unit are provided with deslagging sieve aperture 14 for one section, and the spiral slag-draining device is equipped with in the sieve aperture bottom, and the spiral slag-draining device is axially vertically vertical with drying roller; For deriving drying unit to combustion tail gas, go out the feed bin top and be provided with escape pipe, said escape pipe is connected with out blower fan 13, and the waste gas in the drying roller 11 is extracted out.
The course of work of the utility model is: belt conveyor 1 is transported to charging double helix 2 charging apertures to waste sludge from paper mill, and the extruding of charging double helix also promotes waste sludge from paper mill entering feeding warehouse; Drying roller 9 rotates under motor-driven, installs under the formed difference in height effect in rotation, drum L type deflector and the cylinder inclination of cylinder, and waste sludge from paper mill moves towards going out the feed bin direction from feeding warehouse; Combustion tail gas gets into drying roller from feeding warehouse exhaust pipe 15 simultaneously; Move in the same way with waste residue; And take away moisture wherein, and under the air-introduced machine effect of escape pipe, being excluded drying unit, the throughput of oven dry and temperature all can be controlled through the adjustment related valve; Waste sludge from paper mill is when passing through cylinder afterbody sieve aperture, and its contained remaining paper pulp is by screening and separating, and through dreg removing system it is got rid of, and falls into belt conveyor through the waste sludge from paper mill of sorting, exports from drying system at last.
Claims (5)
1. utilize the system of combustion tail gas oven dry waste sludge from paper mill; Comprise the feed arrangement and the drying unit that are tightly connected; Described feed arrangement comprises charging double helix device (2); Charging double helix device (2) charging aperture matches with belt conveyor (1); Discharging opening is connected with feeding warehouse (8); It is characterized in that described feeding warehouse (8) top is equipped with oven dry exhaust pipe (15), be provided with gaseous mixture drain valve (3), air-introduced machine (6), tail gas output control valve (5) and cold wind control valve (4) on the oven dry exhaust pipe (15) successively, described exhaust pipe (15) locates to be provided with mixture control valve (7) near feeding warehouse (8).
2. the system that utilizes combustion tail gas oven dry waste sludge from paper mill according to claim 1; It is characterized in that drying roller (10) that described drying unit comprises an end and feeding warehouse (8) and be tightly connected, be communicated with drying roller (10) discharging opening go out feed bin (12); Described drying roller (10) is obliquely installed; Discharging opening is lower than charging aperture, and drying roller (10) cylindrical shell is provided with travelling gear (9), at drying roller (10) internal interval L type deflector (11) is set; Its outer wall parcel is provided with the heat-preservation cotton layer, describedly goes out feed bin (12) top and is equipped with and goes out the escape pipe that blower fan (13) is connected.
3. the system that utilizes combustion tail gas oven dry waste sludge from paper mill according to claim 1 is characterized in that the outer wall parcel of described exhaust pipe (15) is provided with the heat-preservation cotton layer.
4. the system that utilizes combustion tail gas oven dry waste sludge from paper mill according to claim 1 is characterized in that described belt conveyor (1) tilts to place, and low side is the waste sludge from paper mill inlet, high-endly matches with charging double helix (2) charging aperture.
5. the system that utilizes combustion tail gas oven dry waste sludge from paper mill according to claim 2 is characterized in that the stack shell that described drying roller (10) is positioned at feed bin (12) is arranged at intervals with deslagging sieve aperture (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203482807U CN202281470U (en) | 2011-09-16 | 2011-09-16 | System utilizing combustion tail gas to dry papermaking waste residue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203482807U CN202281470U (en) | 2011-09-16 | 2011-09-16 | System utilizing combustion tail gas to dry papermaking waste residue |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202281470U true CN202281470U (en) | 2012-06-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203482807U Expired - Lifetime CN202281470U (en) | 2011-09-16 | 2011-09-16 | System utilizing combustion tail gas to dry papermaking waste residue |
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| Country | Link |
|---|---|
| CN (1) | CN202281470U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106247781A (en) * | 2016-07-28 | 2016-12-21 | 董超超 | A kind of iron and steel powder body dries drying system |
| CN106546087A (en) * | 2016-10-31 | 2017-03-29 | 程建中 | Energy-conserving and environment-protective rotating drum type drying machine |
-
2011
- 2011-09-16 CN CN2011203482807U patent/CN202281470U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106247781A (en) * | 2016-07-28 | 2016-12-21 | 董超超 | A kind of iron and steel powder body dries drying system |
| CN106247781B (en) * | 2016-07-28 | 2018-12-14 | 新沂市开源矿粉有限公司 | A kind of steel powder drying drying system |
| CN106546087A (en) * | 2016-10-31 | 2017-03-29 | 程建中 | Energy-conserving and environment-protective rotating drum type drying machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: YANCHENG LVCHENG ENVIRONMENTAL PROTECTION TECHNOLO Free format text: FORMER OWNER: ZHEJIANG GUOYU RESOURCE REGENERATION UTILIZATION TECHNOLOGY CO., LTD. Effective date: 20150625 Free format text: FORMER OWNER: QI XINJUN Effective date: 20150625 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150625 Address after: 224300, Yancheng City Jiangsu Ting Lake Environmental Protection Industrial Park, five West Road, South Avenue, environmental protection Patentee after: Yancheng Greentown Environmental Protection Technology Co., Ltd. Address before: 311411, Zhejiang City, Hangzhou province Fuyang market town east Zi Village Patentee before: Zhejiang Guoyu Research Regeneration Utilization Technology Co., Ltd. Patentee before: Qi Xinjun |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120620 |
|
| CX01 | Expiry of patent term |