CN107098568A - Disc type drier - Google Patents
Disc type drier Download PDFInfo
- Publication number
- CN107098568A CN107098568A CN201710540428.9A CN201710540428A CN107098568A CN 107098568 A CN107098568 A CN 107098568A CN 201710540428 A CN201710540428 A CN 201710540428A CN 107098568 A CN107098568 A CN 107098568A
- Authority
- CN
- China
- Prior art keywords
- dome
- housing
- agitating shaft
- semicircular cylinder
- disc type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatment Of Sludge (AREA)
Abstract
The present invention relates to a kind of Disc type drier, including housing, agitating shaft is installed in housing, separated on agitating shaft and circular disc is installed, the top of housing is provided with sludge import, steam (vapor) outlet, bottom is exported provided with dewatered sludge, agitating shaft is driven by the motor of one end, agitating shaft is hollow-core construction, its one end is vapours entrance and is plugged with condensed water delivery line, the dome that the housing is upwardly extended including the installation agitating shaft and the semicircular cylinder coaxial with the agitating shaft and on the upside of the semicircular cylinder, the dome is provided with high pressure water input and nitrogen inlet, high-pressure hydraulic pump is installed on the water pipe that the high-pressure water inlet is connected with storage tank, high-pressure pump is installed on the tracheae that nitrogen inlet is connected with nitrogen pot；The cross section structure of the housing is：Spacing between from the top of the dome to the center of the semicircular cylinder is 12 times of the semicircular cylinder radius.
Description
Technical field
The present invention relates to sludge treatment device field, more particularly to sludge drying technique field, specially disc type desiccation
Machine.
Background technology
A large amount of sludge can be produced after town domestic sewage processing, if these sludge can not obtain timely, effective and stably
Processing, will be the safety belt of urban area environment and people's lives come great hidden danger.In addition, papermaking, chemical industry, process hides, print
The industrial process such as dye and rivers and lakes dredging etc. can also produce substantial amounts of sludge.
The minimizing of sludge, innoxious have become the great environmental issue that must be solved during Scientific city development.
The sludge that sewage treatment plant produces moisture content after dehydration is still up to 80%, and volume, quality are larger, are unfavorable at subsequent treatment
Put.No matter final sludge is using which kind of processing disposal options, the reduction of sludge water content is all particularly significant.Mechanical dehydration treatment technology
The Free water in sludge can only be removed, as needed if need to further reducing the moisture content of sludge by the way of heat drying.
Fluid state is presented in the higher sludge of moisture content, and with the reduction of its moisture content in drying process, plasticity is progressively
Show, and produce greatly viscosity.The mode of heating of indirect heat transfer, the heat of heat-transfer working medium are used existing sludge drying machine more
Sludge is indirectly transferred to through hot wall.With the progress of desiccation, moisture percentage in sewage sludge reduction, volume reduces, and easily sticks to hot wall
Surface, is unfavorable for the uniform mixing of sludge and the renewal of evaporating surface.It will be crusted after Sludge Surface moisture evaporation, due to sludge shell
Heat transfer coefficient it is low, if sludge shell can not be broken, the efficiency that sludge outwards conducts heat in shell is also decreased, and causes desiccation machine
Complex heat transfer coefficient reduction.Meanwhile, moisture is significantly reduced by the speed of the outside mass transfer of sludge shell in sludge, causes sludge
Desiccation rate reduction, constrains the treating capacity of sludge drying machine.
Conventional indirect heat transfer oar blade type sludge drying machine, two or four stirring shafts are set according to treating capacity at present,
Adjacent stirring shaft backwards rotation.Several stirrer paddles (disk) are set on every stirring shaft, and blade design is wedge shape
Double leaf, and be installed vertically on stirring shaft.Blade on adjacent stirring shaft is spaced apart, and mutually ratcheting, is stirred with realizing
Mix the reinforcing of effect.
At present, the R＆D personnel in this area, focus of attention is how to improve the desiccation effect and efficiency of sludge,
How the water content of desiccation after sludge to be reduced, in terms of reduction energy consumption.
The content of the invention
For existing disc type sludge drying device, applicant has found its fatal defects existed by studying for a long time
It is to belong to high temperature (100-180 DEG C) in disk desiccation machine, (sludge drying simultaneously rotates the dust for promoting and producing, dewatered sludge powder to high dirt
Dirt is flammable) air ambient, and in Frotteurism, the risk that there is blast is larger, therefore, the present invention provides a kind of security performance
High Disc type drier.
In order to solve the above problems, the present invention uses following scheme：
It is provided with to separate on agitating shaft, agitating shaft in a kind of Disc type drier, including housing, housing and disk is installed
Piece, the top of housing is provided with sludge import, steam (vapor) outlet, and bottom is exported provided with dewatered sludge, and agitating shaft is driven by the motor of one end,
Agitating shaft is hollow-core construction, and its one end is vapours entrance and is plugged with condensed water delivery line, and the housing includes installing described
Agitating shaft and the semicircular cylinder coaxial with the agitating shaft and the dome upwardly extended on the upside of the semicircular cylinder, the dome
It is provided with high pressure water input and nitrogen inlet, the water pipe that the high-pressure water inlet is connected with storage tank and water under high pressure is installed
High-pressure pump is installed on pump, the tracheae that nitrogen inlet is connected with nitrogen pot；The cross section structure of the housing is：From the vault
The top on top to the spacing between the center of the semicircular cylinder is 1-2 times of the semicircular cylinder radius.
It is used as the further improvement of above-mentioned technical proposal：
The inside of the dome is provided with injection spray pipe, and the injection spray pipe is provided with along the axially extending of semicircular cylinder, injection spray pipe
Multiple spray nozzles.
It is provided with the housing at temperature monitoring point and dust monitoring point, the temperature monitoring point and TEMP is installed
Dust sensor is installed at device, dust monitoring point；The desiccation machine also includes controller, and the controller is passed with the temperature
Sensor, dust sensor, high-pressure hydraulic pump and high-pressure pump connection, the temperature signal that the controller is detected according to temperature sensor
Control the high-pressure hydraulic pump, the high-pressure pump is controlled according to the Dust Capacity signal of dust sensor.
The section of the dome is semicircle, and its radius is equal with the section radius of semicircular cylinder.
Sludge import is provided with the top of the dome of one end of the housing, the semicircular cylinder bottom of the other end goes out provided with dewatered sludge
Mouthful, dewatered sludge outlet connection tilts upward the auger conveyor of setting.
Spacing between from the top of the dome to the center of the semicircular cylinder is 1.5 times of semicircular cylinder radius.
The injection spray pipe is fitted in undaform is arranged in the top inner wall of dome, and each of which bending point is arranged with the spray
Mist mouth.
The injection spray pipe is suspended to the inner top surface of dome in undaform, plays each bending point and is arranged with downward and front and rear spray
The spray nozzle penetrated.
The technical effects of the invention are that：
The present invention changes traditional cylinder shell structure, sets up dome structure, and use high-pressure fog, spray nitrogen
Mode, can thoroughly avoid blast, improve security；Also, the smart structural design of high-pressure fog pipe, can be achieved fast cooling,
And water source can be saved.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is the end view drawing of housing in the present invention.
Fig. 3 is the inside upward view of dome in the present invention.
Fig. 4 is the inside front view of housing in the present invention.
In figure：1st, housing；10th, semicircular cylinder；11st, dome；12nd, high pressure water input；13rd, nitrogen inlet；14th, water storage
Case；15th, high-pressure hydraulic pump；16th, nitrogen pot；17th, high-pressure pump；18th, injection spray pipe；19th, spray nozzle；2nd, agitating shaft；20th, TEMP
Device；21st, dust sensor；22nd, controller；23rd, auger conveyor；3rd, circular disc；4th, sludge import；5th, steam (vapor) outlet；6th, do
Sludge outlet；7th, motor；8th, vapours entrance；9th, condensed water delivery line.
Embodiment
The embodiment to the present invention is described further below in conjunction with the accompanying drawings.
As shown in Figure 1 and Figure 2, agitating shaft 2 is installed in the Disc type drier of the present embodiment, including housing 1, housing 1,
Separated on agitating shaft 2 and circular disc 3 is installed, the top of housing 1 is provided with sludge import 4, steam (vapor) outlet 5, and bottom is provided with dewatered sludge
Outlet 6, agitating shaft 2 is driven by the motor 7 of one end, and agitating shaft 2 is hollow-core construction, and its one end is vapours entrance 8 and is plugged with
Condensed water delivery line 9, housing 1 is lateral including installation agitating shaft 2 and the semicircular cylinder 10 coaxial with agitating shaft 2 and from semicircular cylinder 10
The dome 11 of upper extension, dome 11 is provided with high pressure water input 12 and nitrogen inlet 13, high-pressure water inlet 12 and storage
It is provided with the connected water pipe of water tank 14 on high-pressure hydraulic pump 15, the tracheae that nitrogen inlet 13 is connected with nitrogen pot 16 and height is installed
Compression pump 17.
In the present invention, spray high using at the top of original cylinder-shaped desiccation machine housing, increasing to set dome 11 and set
Press water or spray the mode of nitrogen, it is therefore intended that：Due to it has been found that during the work of existing disk desiccation machine, high temperature in cylinder
, easily there is the risk exploded in the environment of high dirt, once blast consequence is hardly imaginable；The results showed, the gas in reduction housing
During pressure, the desiccation effect of sludge is had no effect on；Because dust is usually the top that concentrates on housing, therefore generally, top powder
Friction level between dirt air is larger, causes pressure larger.Present invention increase dome 11, on the one hand increases case top of knowing clearly
Space so that top concentrate dusty space increase, be depressured by the way of dilatation；On the other hand, by spraying water under high pressure
The mode of (spraying), avoids blast, because high-pressure fog is sprayed in dome 11, in the condition of high temperature to headroom cooling processing
Under, vapor can be quickly become and discharged from overhead vapor outlet 5, the desiccation effect of raw sewage can't be influenceed；To avoid blast,
Can also be by the way of spray nitrogen, the air diluted using nitrogen in housing is realized；Nitrogen is passed through, can also be increased in housing
Pressure, it is ensured that original desiccation machine housing pressure is constant, so as to farthest not influence original desiccation effect.In addition, when logical nitrogen
When gas is more, moreover it is possible to bring up to pressure bigger than the pressure of original cylinder-shaped housing, desiccation effect is can further improve, lifting is dry
Change speed.
As shown in Figure 1 and Figure 2, the cross section structure of housing 1 is：Between from the top of dome 11 to the center of semicircular cylinder 10
Spacing H is 1-2 times of the radius R of semicircular cylinder 10.Height to dome 11 is limited, if dome is too low, effect of easing stress is not good,
Spray atomization area is narrow, and cooling-down effect is not good, and spray water is easily attached on the surface of circular disc 3, and sewage sludge viscosity is big, influences desiccation
Effect；If dome is too high, equipment cost can be substantially improved, and sludge import 4 and the distance between circular disc 3 are too big, sludge
During into housing 1, the impulsive force to circular disc 3 is big, and rounding disc 3 is deformed, weares and teares big, so as to need the short cycle to change, it is tieed up
Protect cost high.Testing surface, the spacing H between from the top of dome 11 to the center of semicircular cylinder 10 is the radius R of semicircular cylinder 10
1.5 times when, prevent blast while, it is to avoid cost increase.
As shown in figure 1, the rapid cooling to ensure dome 11, injection spray pipe 18, injection spray pipe 18 are provided with the inside of dome 11
Along the axially extending of semicircular cylinder 10, injection spray pipe 18 is provided with multiple spray nozzles 19.Realize that even spraying cools as far as possible.
Installed as shown in figure 1, being provided with the present invention, in housing 1 at temperature monitoring point and dust monitoring point, temperature monitoring point
Have and dust sensor 21 is installed at temperature sensor 20, dust monitoring point；Desiccation machine also include controller 22, controller 22 with
Temperature sensor 20, dust sensor 21, high-pressure hydraulic pump 15 and high-pressure pump 17 are connected, and controller 22 is according to temperature sensor 20
The temperature signal of detection controls high-pressure hydraulic pump 15, controls high-pressure pump 17 according to the Dust Capacity signal of dust sensor 21.Pass through
The setting of sensor, realizes that high pressure-temperature is explosion-proof and automatically controls, without manual intervention.
As shown in figure 1, the section of dome 11 is semicircle, its radius is equal with the section radius of semicircular cylinder 10.Housing 1
Section is in kidney-shaped symmetrical structure, and its service life is longer, and manufacture craft is simpler, and cost is lower.
In the present invention, as shown in figure 1, the top of dome 11 of one end of housing 1 is provided with sludge import 4, the semicircle of the other end
1 bottom of cylinder tilts upward the auger conveyor 23 of setting provided with dewatered sludge outlet 6, the connection of dewatered sludge outlet 6.The spiral shell tilted upward
The ingenious part of rotation conveyer 23 is, is avoided that the sludge airborne dust directly exported from the dewatered sludge outlet 6 of the bottom of housing 1, and
And the output flow of auger conveyor 23 can be utilized.
As shown in Figure 3, Figure 4, after long long-time research, applicants have discovered that, when injection spray pipe 18 is fitted in undaform
When the top inner wall and each bending point for being arranged in dome 11 are arranged with spray nozzle 19, more uniformly dome 11 can be dropped
Temperature.It can also be：Injection spray pipe 18 is suspended to the inner top surface of dome 11 in undaform, and each bending point be arranged with it is downward and preceding
The spray nozzle 19 sprayed afterwards, equally can maximum uniform cooling.Wherein, the crest and wavelength of undaform injection spray pipe 18, according to spray
The spray area of mist mouth 19 is determined.
Embodiment provided above is the better embodiment of the present invention, only illustrates the present invention for convenient, not to this hair
It is bright to make any formal limitation, any those of ordinary skill in the art, if putting forward skill not departing from the present invention
In the range of art feature, using the equivalent embodiment locally changed or modified made by disclosed technology contents, and
Without departing from the technical characteristic content of the present invention, in the range of still falling within the technology of the present invention feature.
Claims (8)
1. being provided with agitating shaft (2) in a kind of Disc type drier, including housing (1), housing (1), agitating shaft separates peace on (2)
Equipped with circular disc (3), the top of housing (1) is provided with sludge import (4), steam (vapor) outlet (5), and bottom exports (6) provided with dewatered sludge,
Agitating shaft (2) is driven by the motor (7) of one end, and agitating shaft (2) is hollow-core construction, and its one end is vapours entrance (8) and planted
There is condensed water delivery line (9), it is characterised in that：The housing (1) include installing the agitating shaft (2) and with the agitating shaft
(2) coaxial semicircular cylinder (10) and the dome (11) upwardly extended on the upside of the semicircular cylinder (10), the dome (11)
It is provided with high pressure water input (12) and nitrogen inlet (13), the water that the high-pressure water inlet (12) is connected with storage tank (14)
It is provided with pipe on high-pressure hydraulic pump (15), the tracheae that nitrogen inlet (13) is connected with nitrogen pot (16) and high-pressure pump is installed
(17)；The cross section structure of the housing (1) is：From the top of the dome (11) between the center of the semicircular cylinder (10)
Spacing is 1-2 times of the semicircular cylinder (10) radius.
2. Disc type drier according to claim 1, it is characterised in that：The inside of the dome (11) is provided with injection spray pipe
(18), the injection spray pipe (18) is along the axially extending of semicircular cylinder (10), and injection spray pipe (18) is provided with multiple spray nozzles (19).
3. Disc type drier according to claim 1, it is characterised in that：Temperature monitoring point is provided with the housing (1)
And dust monitoring point, it is provided with temperature sensor (20), dust monitoring point at the temperature monitoring point and dust sensing is installed
Device (21)；The desiccation machine also includes controller (22), and the controller (22) senses with the temperature sensor (20), dust
Device (21), high-pressure hydraulic pump (15) and high-pressure pump (17) connection, what the controller (22) was detected according to temperature sensor (20)
Temperature signal controls the high-pressure hydraulic pump (15), controls the high-pressure pump according to the Dust Capacity signal of dust sensor (21)
(17)。
4. Disc type drier according to claim 1, it is characterised in that：The section of the dome (11) is semicircle,
Its radius is equal with the section radius of semicircular cylinder (10).
5. Disc type drier according to claim 1, it is characterised in that：The dome (11) of one end of the housing (1)
Top is provided with sludge import (4), and semicircular cylinder (10) bottom of the other end is provided with dewatered sludge outlet (6), and the dewatered sludge exports (6)
Connection tilts upward the auger conveyor (23) of setting.
6. Disc type drier according to claim 1, it is characterised in that：From the top of the dome (11) to described half
Spacing between the center of cylinder (10) is 1.5 times of semicircular cylinder (10) radius.
7. Disc type drier according to claim 2, it is characterised in that：The injection spray pipe (18) is in undaform adhesive fabric
The top inner wall in dome (11) is put, each of which bending point is arranged with the spray nozzle (19).
8. Disc type drier according to claim 2, it is characterised in that：The injection spray pipe (18) is suspended in undaform
The inner top surface of dome (11), plays the spray nozzle (19) that each bending point is arranged with downward and front and rear injection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710540428.9A CN107098568A (en) | 2017-07-04 | 2017-07-04 | Disc type drier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710540428.9A CN107098568A (en) | 2017-07-04 | 2017-07-04 | Disc type drier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107098568A true CN107098568A (en) | 2017-08-29 |
Family
ID=59664466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710540428.9A Withdrawn CN107098568A (en) | 2017-07-04 | 2017-07-04 | Disc type drier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107098568A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109608002A (en) * | 2019-01-31 | 2019-04-12 | 韩慧桥 | A kind of sludge drier |
| CN115140921A (en) * | 2022-07-01 | 2022-10-04 | 华能国际电力股份有限公司大连电厂 | Disc type drying machine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107089785A (en) * | 2017-06-30 | 2017-08-25 | 无锡绿麦环保科技有限公司 | Sludge drying dewatering system |
| CN207418558U (en) * | 2017-06-30 | 2018-05-29 | 赵丽静 | Sludge drying dewatering system |
-
2017
- 2017-07-04 CN CN201710540428.9A patent/CN107098568A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107089785A (en) * | 2017-06-30 | 2017-08-25 | 无锡绿麦环保科技有限公司 | Sludge drying dewatering system |
| CN207418558U (en) * | 2017-06-30 | 2018-05-29 | 赵丽静 | Sludge drying dewatering system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109608002A (en) * | 2019-01-31 | 2019-04-12 | 韩慧桥 | A kind of sludge drier |
| CN109608002B (en) * | 2019-01-31 | 2021-10-22 | 南京大建环境科技产业发展有限公司 | Sludge drying machine |
| CN115140921A (en) * | 2022-07-01 | 2022-10-04 | 华能国际电力股份有限公司大连电厂 | Disc type drying machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170829 |
|
| WW01 | Invention patent application withdrawn after publication |