CN105114963A - Conveying system for dried sludge - Google Patents
Conveying system for dried sludge Download PDFInfo
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- CN105114963A CN105114963A CN201510639508.0A CN201510639508A CN105114963A CN 105114963 A CN105114963 A CN 105114963A CN 201510639508 A CN201510639508 A CN 201510639508A CN 105114963 A CN105114963 A CN 105114963A
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- sludge
- warehouse
- negative pressure
- incinerator
- blower fan
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Abstract
The invention discloses a conveying system for dried sludge. The conveying system comprises a sludge storage bin with a feed port. A feeder is arranged at a discharge port of the sludge storage bin. An injection pump is arranged at the outlet of the feeder. Negative pressure is formed in the lower portion of the feeder through a first draught fan by means of the injection pump. The sludge in the sludge storage bin is conveyed to an incinerator under the effect of the negative pressure. A gas-liquid separator and a second draught fan are arranged on a passageway between the upper side of the sludge storage bin and the incinerator. The second draught fan is in the normally-open state so that negative pressure can be formed in the upper portion of the sludge storage bin. Odor in the sludge storage bin is conveyed to the incinerator under the effect of the negative pressure. By means of the conveying system, odor and smoke dust can be prevented from overflowing in the conveying process, noise is low, conveying is easy to control, operation is easy, maintenance is convenient, and cost is greatly reduced.
Description
Technical field
The present invention relates to field of solid waste treating technology, be specifically related to a kind of induction system of dewatered sludge.
Background technology
Have a variety of to the disposal options of the mud produced after sewage disposal, similar with other solid waste, landfill and burning are wherein two kinds of topmost harmlessness disposing modes.But no matter adopt which kind of processing mode, the mud of mummification all needs transport.
At present, two kinds are mainly contained to the carrying method of the mud of mummification: one utilizes the plant equipment such as bucket elevator, belt to do continuative transport; Another kind utilizes the mobile devices such as truck to do point-to-point transport.
The first means of transportation, shortcoming is that plant equipment is complicated and huge, and obturation effect is poor, and general floor space is large, and noise is large, operation complexity and fault is many, equipment investment cost and maintenance cost high.
The second means of transportation, general being applicable to, directly removes landfill or compost.If need that the mud of mummification is sent into incineration plant to do further process, generally also need the mud of mummification to mix with fuel, arrange the mechanical conveying equipments such as belt and send into incinerator, these equipment are all generally outdoor, and seal is all poor.Mud after mummification easily produces airborne dust and foul smell in course of conveying, causes contaminated environment.
Therefore, those skilled in the art are devoted to the means of transportation of the mud developing a kind of mummification, obtain low cost, stable, and the effect such as in course of conveying foul smell is outer loose.
Summary of the invention
Because the above-mentioned defect of prior art, the present invention seeks to be to provide that a kind of equipment is simple, operating cost is low, the outer loose sludge conveying system of foul smell in course of conveying.
For achieving the above object, the invention provides a kind of induction system of dewatered sludge, comprise the warehouse of sludge with charging aperture, the discharging opening of described warehouse of sludge is provided with dispenser; The exit of described dispenser is provided with jet pump, and the first blower fan forms negative pressure by described jet pump in described dispenser bottom; Mud in described warehouse of sludge is transported to incinerator under suction function; Path between the upside of described warehouse of sludge and described incinerator is also provided with gas-solid separator and the second blower fan; Described second blower fan is that normally open is to form negative pressure on described warehouse of sludge top; Foul smell in described warehouse of sludge is transported to described incinerator under suction function.
In some are specifically implemented, described gas-solid separator is cyclone separator, sack cleaner or screen pack.
In some are specifically implemented, described dispenser enters the sludge quantity of described jet pump for regulating.
In some are specifically implemented, described warehouse of sludge keeps negative pressure when running status.
In some are specifically implemented, the moisture content of described dewatered sludge is lower than 40%.
Beneficial effect of the present invention:
Said structure of the present invention, adopts the jet pump be connected with the first blower fan to form local decompression in the bottom of warehouse of sludge, makes dewatered sludge enter conveyance conduit smoothly under wind-force effect, thus be transported to incinerator.Meanwhile, the second blower fan be connected with warehouse of sludge effectively keeps the tiny structure on warehouse of sludge top, and the airborne dust that produces in discharge process and foul smell can not be dispersed in surrounding environment.
The present invention has departed from traditional mechanical type mode of movement completely, the power that the air-flow utilizing blower fan to produce is carried as mud.Adopt induction system of the present invention to carry dewatered sludge, can avoid the foul smell in course of conveying and flue dust excessive, noise is low, carries easy to control, simple to operate easy to maintenance, greatly reduces and adopts area shared by other plant equipment and cost.
Be described further below with reference to the technique effect of accompanying drawing to design of the present invention, concrete structure and generation, to understand object of the present invention, characteristic sum effect fully.
Accompanying drawing explanation
Fig. 1 is that the present invention is with the structural representation of specific embodiment.
Reference numeral: warehouse of sludge 1, dispenser 2, jet pump 3, first blower fan 4, incinerator 5, gas-solid separator 6, second blower fan 7, mud transporting equipment 8.
Detailed description of the invention
As shown in Figure 1, a specific embodiment of the present invention, a kind of induction system of dewatered sludge, comprises a warehouse of sludge 1.Warehouse of sludge 1 is cylindrical shape, and Lower Half is turbination.
Warehouse of sludge 1 has charging aperture at the first half, has discharging opening in Lower Half.
The discharging opening of warehouse of sludge 1 is provided with dispenser 2.The exit of dispenser 2 is provided with jet pump 3.Dispenser 2 regulates the sludge quantity entering into jet pump 3 in warehouse of sludge 1 by valve body.
The air inlet of jet pump 3 is provided with the first blower fan 4.First blower fan 4 forms negative pressure by jet pump 3 in dispenser 2 bottom.Under the effect of negative pressure, the dewatered sludge in warehouse of sludge 1 is transported to incinerator 5 by pipeline, realizes utilizing gas as the technical purpose of transmitting power.
Meanwhile, gas passage is formed with between the upside of warehouse of sludge 1 and incinerator 5.This gas passage is also provided with gas-solid separator 6 and the second blower fan 7.
Second blower fan 7 is normally open, to form negative pressure on warehouse of sludge 1 top.Foul smell in warehouse of sludge 1 is also transported to incinerator 5 under this suction function.
In some are specifically implemented, gas-solid separator 6 can be cyclone separator, sack cleaner or screen pack, to realize the solid particle in the foul smell with little solid particle to be separated, foul smell is delivered to incinerator 5.
System of the present invention, time in working order, warehouse of sludge 1 keeps negative pressure always.
Dewatered sludge induction system of the present invention, be particularly useful for moisture content lower than 40% the conveying of dewatered sludge.Because moisture percentage in sewage sludge is too low, just there is no mobility completely, cannot pneumatic transportation be utilized.Moisture percentage in sewage sludge is too high, then proportion is too large, and pneumatic transportation is not.
The method of work of induction system of the present invention is as follows:
First, mud is discharged into warehouse of sludge 1 from charging aperture by mud transporting equipment 8.During discharging, in warehouse of sludge 1, airborne dust and foul smell can be produced.
Dewatered sludge in warehouse of sludge 1 regulates the feeding coal entering jet pump 3 by bottom dispenser 2, first blower fan 4 forms negative pressure in dispenser 2 bottom after jet pump 3, mud sucks and brings conveyance conduit under the kinetic energy of the gas produced at the first blower fan 4 by this negative pressure, and mud delivers into incinerator 5 and burns the most at last.
Native system is when discharging or not discharging, the second blower fan 7 is all kept to open, by the second blower fan 7, the foul smell suction incinerator 5 in warehouse of sludge 1 is burned, and keeping tiny structure in warehouse of sludge 1 to fall apart to prevent foul smell outward, solid particle (airborne dust) separating cycle in foul smell can be got back to warehouse of sludge 1 by gas-solid separator 6.
Obviously, discharging is to carry out to warehouse of sludge 1 and conveying mud to the process of incinerator 5 simultaneously.
Said structure of the present invention, adopts the jet pump be connected with the first blower fan to form local decompression in the bottom of warehouse of sludge, makes dewatered sludge enter conveyance conduit smoothly under wind-force effect, thus be transported to incinerator.Meanwhile, the second blower fan be connected with warehouse of sludge effectively keeps the tiny structure on warehouse of sludge top, and the airborne dust that produces in discharge process and foul smell can not be dispersed in surrounding environment.
The present invention has departed from traditional mechanical type mode of movement completely, the power that the air-flow utilizing blower fan to produce is carried as mud.Adopt induction system of the present invention to carry dewatered sludge, can avoid the foul smell in course of conveying and flue dust excessive, noise is low, carries easy to control, simple to operate easy to maintenance, greatly reduces and adopts area shared by other plant equipment and cost.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that those of ordinary skill in the art just design according to the present invention can make many modifications and variations without the need to creative work.Therefore, all technical staff in the art, all should by the determined protection domain of claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (5)
1. an induction system for dewatered sludge, comprises the warehouse of sludge with charging aperture, and the discharging opening of described warehouse of sludge is provided with dispenser; It is characterized in that: the exit of described dispenser is provided with jet pump, the first blower fan forms negative pressure by described jet pump in described dispenser bottom; Mud in described warehouse of sludge is transported to incinerator under suction function; Path between the upside of described warehouse of sludge and described incinerator is also provided with gas-solid separator and the second blower fan; Described second blower fan is that normally open is to form negative pressure on described warehouse of sludge top; Foul smell in described warehouse of sludge is transported to described incinerator under suction function.
2. the induction system of dewatered sludge as claimed in claim 1, is characterized in that: described gas-solid separator is cyclone separator, sack cleaner or screen pack.
3. the induction system of dewatered sludge as claimed in claim 1, is characterized in that: described dispenser enters the sludge quantity of described jet pump for regulating.
4. the induction system of dewatered sludge as claimed in claim 1, is characterized in that: described warehouse of sludge keeps negative pressure when running status.
5. the induction system of dewatered sludge as claimed in claim 1, is characterized in that: the moisture content of described dewatered sludge is lower than 40%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510639508.0A CN105114963A (en) | 2015-09-30 | 2015-09-30 | Conveying system for dried sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510639508.0A CN105114963A (en) | 2015-09-30 | 2015-09-30 | Conveying system for dried sludge |
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| Publication Number | Publication Date |
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| CN105114963A true CN105114963A (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510639508.0A Pending CN105114963A (en) | 2015-09-30 | 2015-09-30 | Conveying system for dried sludge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108395072A (en) * | 2018-05-08 | 2018-08-14 | 北京中矿环保科技股份有限公司 | The method of the coal-powder boiler direct blending combustion sludge of environmental protection |
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2015
- 2015-09-30 CN CN201510639508.0A patent/CN105114963A/en active Pending
Patent Citations (15)
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| CN2787656Y (en) * | 2005-03-14 | 2006-06-14 | 常州市排水管理处 | Apparatus for cremation and treatment of sludge |
| CN1669961A (en) * | 2005-03-14 | 2005-09-21 | 常州市排水管理处 | Sludge burning treatment method and system |
| CN101885574A (en) * | 2009-05-14 | 2010-11-17 | 武汉东海石化重型装备有限公司 | Outfit for municipal sludge thermal oxidation treatment |
| CN101655240A (en) * | 2009-09-14 | 2010-02-24 | 任振伟 | Sludge incinerating system, method and dried slag removing boiler for incinerating sludge |
| CN201545774U (en) * | 2009-11-18 | 2010-08-11 | 轻工业环境保护研究所 | Sludge desiccation and incineration treatment device |
| JP2013155973A (en) * | 2012-01-31 | 2013-08-15 | Tsukishima Kikai Co Ltd | Pressurized fluidized bed reactor system |
| CN102721070A (en) * | 2012-05-21 | 2012-10-10 | 华电电力科学研究院 | Heat insulating sludge drying incineration device and heat insulating sludge drying incineration method |
| CN102887619A (en) * | 2012-11-02 | 2013-01-23 | 张开晓 | Water-containing sludge treatment method |
| CN203568956U (en) * | 2013-11-14 | 2014-04-30 | 明信德诚环境科技无锡有限公司 | Swirl high-speed jet sludge drier |
| CN103601355A (en) * | 2013-12-02 | 2014-02-26 | 成都绿源新创环保科技有限公司 | Spiral sludge drier |
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| CN104628237A (en) * | 2015-01-23 | 2015-05-20 | 广东电网有限责任公司电力科学研究院 | Sludge drying incineration system based on thermal power plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108395072A (en) * | 2018-05-08 | 2018-08-14 | 北京中矿环保科技股份有限公司 | The method of the coal-powder boiler direct blending combustion sludge of environmental protection |
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Application publication date: 20151202 |
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