CN204211622U - Sludge drying system - Google Patents
Sludge drying system Download PDFInfo
- Publication number
- CN204211622U CN204211622U CN201420649821.3U CN201420649821U CN204211622U CN 204211622 U CN204211622 U CN 204211622U CN 201420649821 U CN201420649821 U CN 201420649821U CN 204211622 U CN204211622 U CN 204211622U
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- desiccation machine
- water
- described blade
- sludge
- exhaust gas
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- Treatment Of Sludge (AREA)
Abstract
The utility model discloses a kind of sludge drying system, comprise blade desiccation machine, the lower end of described blade desiccation machine is provided with water-cooling spiral transfer roller, described water-cooling spiral transfer roller end is provided with bucket elevator, and described bucket elevator end is provided with dewatered sludge storage silo, and described blade desiccation machine is also connected with exhaust gas purification system, wherein, described blade desiccation machine, water-cooling spiral transfer roller, bucket elevator and exhaust gas purification system are all connected with the electrical control system matched with system.The beneficial effects of the utility model are: this apparatus structure is simple, easily operates, and system flexibility is extensive, can municipal sludge, oily sludge, the poisonous and hazardous dangerous mud of drying and other treatment 70 ~ 85% water ratio; System stability is good, and reliability is strong, and the mud adaptability changed greatly for treatment capacity is good, is conducive to the propagation and employment in market.
Description
Technical field
The utility model relates to a kind of sludge drying system.
Background technology
Along with social development progress, one of disposal significant problem becoming environmental area of mud.
The Property comparison of mud is complicated, and viscosity is large, breath malodor, and containing large water gaging with have calorific value organism on a small quantity, burning disposal is a kind of reasonable mode, can reach innoxious, minimizing, resource utilization object.But for ensureing good burning effect, reducing the consumption of auxiliary fuel, drying treatment must be carried out to mud, to remove large quantity of moisture, improve sludge calorific value, therefore, be badly in need of a set of adaptability sludge drying system widely now.
Utility model content
The purpose of this utility model there is provided a kind of sludge drying system, to overcome above-mentioned deficiency of the prior art.
The purpose of this utility model is achieved through the following technical solutions:
A kind of sludge drying system, comprise blade desiccation machine, the lower end of described blade desiccation machine is provided with water-cooling spiral transfer roller, described water-cooling spiral transfer roller end is provided with bucket elevator, and described bucket elevator end is provided with dewatered sludge storage silo, and described blade desiccation machine is also connected with exhaust gas purification system, wherein, described blade desiccation machine, water-cooling spiral transfer roller, bucket elevator and exhaust gas purification system are all connected with the electrical control system matched with system.
Further, described blade desiccation machine front end and upper end are arranged with some steam inlets and mud import respectively, described blade desiccation machine rear end and lower end are arranged with some condensation-water drains and dewatered sludge outlet respectively, and described blade desiccation machine upper end is provided with venting port; Some hollow hot boxs and hollow blade is evenly provided with in described blade desiccation machine, and be also provided with temperature instrumentation and oxygen determination instrument in described blade desiccation machine, described temperature instrumentation and oxygen determination instrument front end are arranged with two fire-extinguishing plants, and described venting port is positioned in the middle of described two fire-extinguishing plants.
Further, described blade desiccation machine is provided with the desiccation machine chuck matched.
Further, described dewatered sludge storage silo lower end and upper end are respectively equipped with discharging motor and radar level gauge, and described discharging motor is all connected with described electrical control system with radar level gauge.
Further, described exhaust gas purification system comprises tornado dust collector, and the front end of described tornado dust collector is provided with inlet exhaust gas, and described tornado dust collector are connected with washing tower, and described washing tower lower end and upper end are connected to recycle pump, flushing water pump and induced draft fan.
Further, the upper end of described washing tower is also provided with the mist eliminator matched.
The beneficial effects of the utility model are: this apparatus structure is simple, easily operates, and system flexibility is extensive, and system flexibility is extensive, can municipal sludge, oily sludge, the poisonous and hazardous dangerous mud of drying and other treatment 70 ~ 85% water ratio; System stability is good, and reliability is strong, and the mud adaptability changed greatly for treatment capacity is good; The good airproof performance of total system simultaneously, stenchless escaping, effectively raises the scope of application of device, is conducive to the propagation and employment in market.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the one-piece construction schematic diagram of a kind of sludge drying system according to the utility model embodiment;
Fig. 2 is the vertical view of a kind of sludge drying system according to the utility model embodiment;
Fig. 3 is the structural representation of the blade desiccation machine of a kind of sludge drying system according to the utility model embodiment;
Fig. 4 is the vertical view of the blade desiccation machine of a kind of sludge drying system according to the utility model embodiment;
Fig. 5 is a kind of blade desiccation machine of sludge drying system according to the utility model embodiment and the connection diagram of bucket elevator;
Fig. 6 is the structural representation of the exhaust gas purification system of a kind of sludge drying system according to the utility model embodiment.
In figure:
1, blade desiccation machine; 2, water-cooling spiral transfer roller; 3, bucket elevator; 4, dewatered sludge storage silo; 5, exhaust gas purification system; 6, electrical control system; 7, mud import; 8, steam inlet; 9, condensation-water drain; 10, venting port; 11, hollow hot box and hollow blade; 12, dewatered sludge outlet; 13, temperature instrumentation; 14, oxygen determination instrument; 15, fire-extinguishing plant; 16, desiccation machine chuck; 17, radar level gauge; 18, discharging motor; 19, tornado dust collector; 20, recycle pump; 21, washing tower; 22, flushing water pump; 23, induced draft fan; 24, inlet exhaust gas; 25, mist eliminator.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain, all belongs to the scope of the utility model protection.
As shown in Figure 1-2, according to a kind of sludge drying system of the utility model embodiment, comprise blade desiccation machine 1, the lower end of described blade desiccation machine 1 is provided with water-cooling spiral transfer roller 2, described water-cooling spiral transfer roller 2 end is provided with bucket elevator 3, and described bucket elevator 3 end is provided with dewatered sludge storage silo 4, and described blade desiccation machine 1 is also connected with exhaust gas purification system 5, wherein, described blade desiccation machine 1, water-cooling spiral transfer roller 2, bucket elevator 3 and exhaust gas purification system 5 are all connected with the electrical control system 6 matched with system.
As shown in Figure 3-4, described blade desiccation machine 1 front end and upper end are arranged with some steam inlets 8 and mud import 7 respectively, described blade desiccation machine 1 rear end and lower end are arranged with some condensation-water drains 9 and dewatered sludge outlet 12 respectively, and described blade desiccation machine 1 upper end is provided with venting port 10; Some hollow hot boxs and hollow blade 11 is evenly provided with in described blade desiccation machine 1, and be also provided with temperature instrumentation 13 and oxygen determination instrument 14 in described blade desiccation machine 1, described temperature instrumentation 13 and oxygen determination instrument 14 front end are arranged with two fire-extinguishing plants 15, described fire-extinguishing plant 15 can make system possess automatic fire-extinguishing function, effectively raises stability and the reliability of system cloud gray model; Described venting port 10 is positioned in the middle of described two fire-extinguishing plants 15; Described blade desiccation machine 1 is provided with the desiccation machine chuck 16 matched.
As shown in Figure 5, described dewatered sludge storage silo 4 lower end and upper end are respectively equipped with discharging motor 18 and radar level gauge 17, and described discharging motor 18 and radar level gauge 17 are all connected with described electrical control system 6.
As shown in Figure 6, described exhaust gas purification system 5 comprises tornado dust collector 19, and the front end of described tornado dust collector 19 is provided with inlet exhaust gas 24, and described tornado dust collector 19 are connected with washing tower 21, described washing tower 21 lower end and upper end are connected to recycle pump 20, flushing water pump 22 and induced draft fan 23; The upper end of described washing tower 21 is also provided with the mist eliminator 25 matched.
During concrete use, dewatered sludge enters the mud import 7 of described blade desiccation machine 1, saturated hot steam is distributed in the hollow hot box and hollow blade 11 and desiccation machine chuck 16 entering blade desiccation machine 1 by pipeline, transfer heat to mud, moisture in mud is evaporated, dried mud enters bucket elevator 3 through water-cooling spiral transfer roller 2 and sends into described dewatered sludge storage silo 4, and the waste gas that evaporation produces enters into described exhaust gas purification system 5 by inlet exhaust gas 24, carries out dedusting deodorizing process.
Wherein, described blade desiccation machine 1 goes out system etc. by housing, motor, drive shaft, paddle and heating medium import and forms.
This blade desiccation machine 1 is indirect heat exchange conduction type moisture eliminator, and rely on the contact of the heat of hollow hot box and hollow blade 11, main shaft or hot wall and mud granule, stir and carry out heat exchange, heat is wherein from the high temperature saturation steam be filled in wherein; When saturation steam is by heat exchange surface heated material, vapor condensation is water, discharges whole vaporization heat, and this part energy is exactly the main energetic of steam utilization, and drying efficiency is by realizing adjustment steam flow.
Set temperature measuring apparatus, i.e. temperature instrumentation in drying plant, after mud generation spontaneous ignition temperature goes beyond the scope, system can start fire suppression measures voluntarily.
The moisture eliminator of this device, except having the feature of general blade desiccation machine 1, also makes certain improvement according to practical experience:
1. anti-thickness measure
In drying process, mud dry matter content is 45 ~ 60% time, and mud can enter the gluey stage, and now mud is very easily bonded at the position contacted with equipment, forms mud layer, reduces thermo-efficiency, even damage equipment.Devise distinctive structure and solve this difficult problem; The mud of thickness enters after drying equipment immediately by blade cuts, due to the smooth surface, evenly of blade, mud can be made to be bonded at blade surface, even if mud has caking tendency, special blade shape also can ensure the sludge crushing of caking to fall, it is made not possess the condition forming bulk, and this special construction can ensure that equipment can be restarted smoothly after stopping in emergency, safeguards system runs continuity, and be positioned at cylinder body bottom mud can be clean by the drag flight descaling on blade, drying equipment warehouse inside adopts without dead angle design, prevents local caking.
2. preventing-abrasion method and work-ing life
The sediment concentration of mud is higher, and sandstone are mixed into and there is negative impact to the security of equipment.
To this, the frayed blade construction of our commute is optimized design, special abrasionproof baffle plate, abundant wearing and tearing allowance, high-strength anti-corrosion high-abrasive material etc. measure, can ensure that the risk by mechanical wear produces is reduced to minimum level, wherein, described blade desiccation machine 1 is S30408 stainless steel with material contact material, and the main body of blade desiccation machine 1 can reach 15 years work-ing life, effectively raise the work-ing life of device, improve the market competitiveness.
3. safety precautions in machine
The dust produced during sludge drying is the blast dust of St1 level, has the danger of potential dust explosion.Therefore, we are set temperature in drying plant, measure of oxygen content device, and namely temperature instrumentation 13 and oxygen determination instrument 14, make temperature, and oxygen level controls in allowed limits.When mud generation spontaneous ignition temperature, after oxygen level exceeds critical range, Controlling System can start fire suppression measures voluntarily.
Because anhydration system is closed loop, in drying process, the Cucumber carried in mud, by pyrolysis, forms non-condensable gas, and these gases cannot be cooled water condensation, therefore constantly gather in the loop, finally may be formed saturated.Non-condensable gas has combustibility, and this, by dust explosion lower limit in reduction system, brings danger to anhydration system, therefore, avoids non-condensable gas in the loop saturated to be one of important content of security.For this reason, be provided with oxygen measurement, extract tiny structure device, make non-condensable gas outer row in time.
In addition, native system adopts saturated (overheated) steam to be thermal source, and steam accesses from steam boiler, adopts arm and valve mechanism to distribute and enters in desiccation machine blade and tubular shaft, carry out sludge drying; The water of condensation produced after heat exchange is through water shoot reuse.
Steam-pipe arranges electric adjusting device, the moisture percentage in sewage sludge of mummification as required, automatic steam regulation consumption, makes energy source use accomplish high efficiency, validity.
And stocking system is exported for dewatered sludge, the mud after mummification is collected by the water-cooling spiral transfer roller 2 be installed on bottom desiccation machine, from the discharging of sealed discharging mouth.Described water-cooling spiral transfer roller 2 adopts horizontal structure, and with water-chilling plant, in order to avoid dry slag spontaneous combustion.Dump temperature is about 50-60 DEG C.Bucket elevator 3 is entered from this water-cooling spiral transfer roller 2 dewatered sludge out.
The dewatered sludge of reception is risen to dewatered sludge storage silo 4 by described bucket elevator 3, and warehouse is the circular warehouse of steel structural form, and warehouse bottom is with shedding mechanism, be discharging motor 18, radar level gauge 17 is established at top, adopt radar level gauge 17 for detect material in storehouse number, if hi-lo signal alarm.
In addition, whole course of conveying is all in sealed state.
For described exhaust gas purification system 5, the tail gas of sludge heat drying, for containing dust, the saturation steam of foul smell and other pollution substances, therefore send out and must arrange exhaust gas purification system 5, this system is made up of tornado dust collector 19, washing tower 21, recycle pump 20, flushing water pump 22, spraying layer, mist eliminator 25 and induced draft fan 23.
First tornado dust collector 19 are entered, for collecting the big dust particle be entrained with from blade desiccation machine 1 gas out.The gas removed after dust is drawn into washing tower 21, removes foul smell and other pollution substances, qualified discharge by washing form.
Arrange double spray device in described washing tower 21, gas moves upward in tower, and spray equipment spray water covers tower section without dead angle, and the spray fraction of coverage of whole spraying layer is greater than 400%, and gas is fully contacted under the condition of bigger serface with water smoke.Such water vapor becomes water of condensation rapidly, and absorbability gas is absorbed rapidly.
Because the gas motion in tower belongs to turbulent motion, therefore in the process of extracting out, produce serious entrainment, extracted a large amount of moisture out.Arrange demister at tower top, mist eliminator 25 is configured to the thick mist eliminator of one deck for this reason, the thin mist eliminator of one deck, and two-layer wash-down water, carries out forced condensation to Exhaust Gas, makes exiting flue gas moisture percentage be not more than 75mg/Nm
3, the cleaning procedure of described mist eliminator 25 temporally will carry out the control of DCS automatic/hand with pressure reduction.
In addition, the electrical control system 6 in whole system enters to monitor total operational process state of sludge drying system, controls the start and stop of anhydration system and the adjustment of delivery of steam flow.Have Long-distance Control and the field control of master control room, the monitor signal of everything position is transferred to the DCS system of head factory, realizes monitoring.
By foregoing description, make native system adaptability extensive, can municipal sludge, oily sludge, the poisonous and hazardous dangerous mud of drying and other treatment 70 ~ 85% water ratio; System stability is good, and reliability is strong, the mud adaptability changed greatly for treatment capacity is good.The good airproof performance of total system simultaneously, stenchless escaping, dust is dropped, and according to moisture percentage in sewage sludge, system adjusts the consumption of heating steam automatically, set temperature on described blade desiccation machine 1, measurement of oxygen content device; Described blade desiccation machine 1 is provided with self-extinguishing measure; Double spray device and double-deck mist eliminator 25 are set in the washing tower 21 of described exhaust gas purification system 5.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. a sludge drying system, comprise blade desiccation machine (1), it is characterized in that, the lower end of described blade desiccation machine (1) is provided with water-cooling spiral transfer roller (2), described water-cooling spiral transfer roller (2) end is provided with bucket elevator (3), and described bucket elevator (3) end is provided with dewatered sludge storage silo (4), and described blade desiccation machine (1) is also connected with exhaust gas purification system (5), wherein, described blade desiccation machine (1), water-cooling spiral transfer roller (2), bucket elevator (3) and exhaust gas purification system (5) are all connected with the electrical control system (6) matched with system.
2. sludge drying system according to claim 1, it is characterized in that, described blade desiccation machine (1) front end and upper end are arranged with some steam inlets (8) and mud import (7) respectively, described blade desiccation machine (1) rear end and lower end are arranged with some condensation-water drains (9) and dewatered sludge outlet (12) respectively, and described blade desiccation machine (1) upper end is provided with venting port (10); Some hollow hot boxs and hollow blade (11) is evenly provided with in described blade desiccation machine (1), and be also provided with temperature instrumentation (13) and oxygen determination instrument (14) in described blade desiccation machine (1), described temperature instrumentation (13) and oxygen determination instrument (14) front end are arranged with two fire-extinguishing plants (15), and described venting port (10) is positioned in the middle of described two fire-extinguishing plants (15).
3. sludge drying system according to claim 2, is characterized in that, described blade desiccation machine (1) is provided with the desiccation machine chuck (16) matched.
4. sludge drying system according to claim 1, it is characterized in that, described dewatered sludge storage silo (4) lower end and upper end are respectively equipped with discharging motor (18) and radar level gauge (17), and described discharging motor (18) is all connected with described electrical control system (6) with radar level gauge (17).
5. sludge drying system according to claim 1, it is characterized in that, described exhaust gas purification system (5) comprises tornado dust collector (19), the front end of described tornado dust collector (19) is provided with inlet exhaust gas (24), and described tornado dust collector (19) are connected with washing tower (21), described washing tower (21) lower end and upper end are connected to recycle pump (20), flushing water pump (22) and induced draft fan (23).
6. sludge drying system according to claim 5, is characterized in that, the upper end of described washing tower (21) is also provided with the mist eliminator (25) matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420649821.3U CN204211622U (en) | 2014-11-04 | 2014-11-04 | Sludge drying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420649821.3U CN204211622U (en) | 2014-11-04 | 2014-11-04 | Sludge drying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204211622U true CN204211622U (en) | 2015-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420649821.3U Expired - Fee Related CN204211622U (en) | 2014-11-04 | 2014-11-04 | Sludge drying system |
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| Country | Link |
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| CN (1) | CN204211622U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105776801A (en) * | 2016-04-08 | 2016-07-20 | 福建群峰机械有限公司 | Vehicle-mounted sludge drying device and method |
| CN108037709A (en) * | 2018-01-10 | 2018-05-15 | 广州晟启能源设备有限公司 | Desiccation machine tele-control system, method and sludge at low temperature desiccation machine |
| CN110180105A (en) * | 2019-06-05 | 2019-08-30 | 杰瑞环保科技有限公司 | A kind of spontaneous formula steam protection and fire-fighting technique |
-
2014
- 2014-11-04 CN CN201420649821.3U patent/CN204211622U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105776801A (en) * | 2016-04-08 | 2016-07-20 | 福建群峰机械有限公司 | Vehicle-mounted sludge drying device and method |
| CN105776801B (en) * | 2016-04-08 | 2019-12-13 | 福建群峰机械有限公司 | Vehicle-mounted sludge drying device and drying method |
| CN108037709A (en) * | 2018-01-10 | 2018-05-15 | 广州晟启能源设备有限公司 | Desiccation machine tele-control system, method and sludge at low temperature desiccation machine |
| CN110180105A (en) * | 2019-06-05 | 2019-08-30 | 杰瑞环保科技有限公司 | A kind of spontaneous formula steam protection and fire-fighting technique |
| WO2020244245A1 (en) * | 2019-06-05 | 2020-12-10 | 杰瑞环保科技有限公司 | Self-generated type steam protection and fire extinguishing technique |
| CN110180105B (en) * | 2019-06-05 | 2021-02-12 | 杰瑞环保科技有限公司 | Self-generating steam protection and fire extinguishing technology |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150318 Termination date: 20181104 |