CN110215790A - A kind of low-heat steam total heat recovery dedusting dehumidifying seperator - Google Patents
A kind of low-heat steam total heat recovery dedusting dehumidifying seperator Download PDFInfo
- Publication number
- CN110215790A CN110215790A CN201910588891.XA CN201910588891A CN110215790A CN 110215790 A CN110215790 A CN 110215790A CN 201910588891 A CN201910588891 A CN 201910588891A CN 110215790 A CN110215790 A CN 110215790A
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- Prior art keywords
- heat
- strainer
- dust removal
- heat exchanger
- dedusting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/10—Combinations of devices covered by groups B01D45/00, B01D46/00 and B01D47/00
-
- 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
- C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D21/0001—Recuperative heat exchangers
- F28D21/0014—Recuperative heat exchangers the heat being recuperated from waste air or from vapors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
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Abstract
The present invention discloses a kind of low-heat steam total heat recovery dedusting dehumidifying seperator, including dust-extraction unit and heat-exchanger rig, dust-extraction unit is connected by exhaust duct and heat-exchanger rig, dust-extraction unit includes cyclone dust removal portion and strainer dust removal unit, strainer dust removal unit extends downward into cyclone dust removal portion inner end by cyclone dust removal portion upper end, cyclone dust removal portion includes cyclone dust collectors, air inlet and cyclone channel baffle, strainer dust removal unit includes dedusting strainer, strainer deduster, flange, sealing ring, fixing bolt and strainer deduster handle, heat-exchanger rig includes air inlet air distribution plate, heat exchanging pipe, baffle plate, First Heat Exchanger air outlet guard board, second heat exchanger air outlet guard board and heat exchanger, the present invention realizes dedusting dehumidification function, the heat of low-heat steam is all recycled simultaneously, it comes back in sludge drying system and recycles, save energy consumption, improve heat Efficiency avoids risk caused by dust, extends service life of equipment, keeps the operation of sludge at low temperature anhydration system safer, stable.
Description
Technical field
The present invention relates to sludge at low temperature drying technique fields, and in particular to removes to a kind of low-heat steam total heat recovery dedusting
Hygroscopic water is disembarked.
Background technique
During sludge heat drying, the moisture in sludge forms the discharge of low-heat steam, thin in sludge due to mechanical work
Little particle is changed into dust and is mixed in low-heat steam, the volatile organic compound in addition evaporated in sludge, makes the low of discharge
Hot steam has certain peculiar smell, causes difficulty for subsequent exhaust-gas treatment, or even will cause the secondary pollution of environment.Low-heat steams
The heat of vapour is difficult to be utilized, and causes energy waste.
Sludge at low temperature dehumidifies in drying process, due to largely recycling wind action, more fine particle transformations in sludge
It is mixed in low-heat steam for dust, these dust enter in heat pump system, result in blockage, burn into damage；It is attached to heat exchanger table
The problems such as face causes heat transfer efficiency low, and equipment is corroded；It is accumulated in system, there are the risks of dust explosion.Existing technology
Method is to export setting strainer in waste hot steam, can alleviate the harm of dust, but strainer is frequently occluded, replaces, maintenance behaviour
Make difficult, influence equipment normal operation, therefore needs those skilled in the art and design a kind of to be able to solve the new of the above problem
Type equipment.
Summary of the invention
The present invention realizes dedusting in view of the above problems, provide a kind of low-heat steam total heat recovery dedusting dehumidifying seperator
The function of dehumidifying, while the heat of low-heat steam can all be recycled, it comes back in sludge drying system and recycles, both
It saves energy consumption, improve the thermal efficiency, in turn avoid risk caused by dust, extend service life of equipment, make sludge at low temperature desiccation system
System operation is safer, stablizes.
To solve the above-mentioned problems, the present invention provides a kind of low-heat steam total heat recovery dedusting dehumidifying seperators, including
Dust-extraction unit and heat-exchanger rig, the dust-extraction unit are connected by exhaust duct and heat-exchanger rig, and the dust-extraction unit includes
Cyclone dust removal portion and strainer dust removal unit, strainer dust removal unit extend downward into cyclone dust removal portion inner end by cyclone dust removal portion upper end；
The cyclone dust removal portion includes cyclone dust collectors, air inlet and cyclone channel baffle, the cyclone dust collectors inner wall setting
There are cyclone channel baffle, the multilayer cyclone channel that the cyclone dust collectors inner wall and cyclone channel baffle are formed, the whirlwind removes
Dirt device side offers air inlet；
The strainer dust removal unit includes dedusting strainer, strainer deduster, flange, sealing ring, fixing bolt and strainer deduster handle
Hand, strainer deduster inner end are installed with dedusting strainer, and dedusting strainer top is equipped with strainer deduster handle, the filter
Net deduster upper end is arranged with the flange of adaptation, and sealing ring, the strainer dedusting are installed between the flange and strainer deduster
Device is fixedly connected with flange by fixing bolt；
The heat-exchanger rig includes air inlet air distribution plate, heat exchanging pipe, baffle plate, First Heat Exchanger air outlet guard board, the second heat exchanger
Air outlet guard board and heat exchanger, the heat exchanger inside front ends are installed with air inlet air distribution plate, heat exchanger inner end middle section peace
Equipped with heat exchanging pipe, it is installed at least two difference baffle plate set up and down in the heat exchanger, above and below the heat exchanger
Both ends are installed with cooling water outlet and cooling water inlet respectively, and rear end setting at least two is respectively in up and down on the inside of the heat exchanger
The First Heat Exchanger air outlet guard board of setting, the second heat exchanger air outlet guard board, the second heat exchanger air outlet guard board front end are installed with
Purify air exhaust outlet.
Preferably, the cyclone dust removal portion further includes drain valve, dust emission mouth, vibrator, ash bucket, the whirlwind
Deduster bottom end is equipped with the ash bucket communicated, and the ash bucket outer end is fixed to be installed with vibrator, and the ash bucket bottom end is arranged equipped with dust
Mouth is put, is installed with drain valve on the dust emission mouth.
Preferably, the cyclone dust removal portion is fixedly installed in supporting support.
Preferably, the connecting pipe junction of the exhaust duct and heat-exchanger rig is equipped with mounting flange.
Preferably, the heat exchanger bottom end is equipped with condensation-water drain, is equipped with condensed water at the condensation-water drain
Outlet valve is connected at the condensation-water drain with water seal.
Preferably, cyclone dust removal portion inner end is welded with the strainer dedusting bracket of concave setting, and the strainer removes
Dirt portion is installed in strainer dedusting rack groove and in adaptation setting.
Using the above structure, the beneficial effect is that:
(1) high dust collection efficiency of the present invention can remove 99% dust using cyclone dust removal, strainer dedusting, in heat exchanger by cold
The water curtain dedusting that condensate is formed, further removes chalk dust removing, dust removing effects are up to 99.99%；
(2) heat exchange efficiency of the present invention is high, using convection type tubular heat exchanger, can efficiently realize the whole of heat in waste hot steam
Recycling；
(3) operation of the present invention, maintenance are simple, using movable strainer deduster, can quickly realize the cleaning, more of strainer
It changes, streamline operation；
(4) present invention energy conservation is good, can be with fully recovering in sludge at low temperature anhydration system, substantially since the whole of thermal energy recycles
The energy for reducing sludge drying consumption, realizes resource circulation utilization, realizes the green energy resourceization development of resource, environment protecting
It is splendid；
(5) operational safety of the present invention, stabilization, using dedusting, dehumidifying, total heat recovery corollary apparatus, guarantee discharge air it is clean
Only, without dust, guarantee the stable operation of the key equipments such as subsequent heat pump, heat exchanger, extend service life of equipment.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of low-heat steam total heat recovery dedusting of the present invention dehumidifying seperator.
Fig. 2 is the top view of low-heat steam total heat recovery dedusting dehumidifying seperator.
Fig. 3 is the structural schematic diagram of the air inlet air distribution plate of heat-exchanger rig.
Fig. 4 is the structural schematic diagram of the First Heat Exchanger air outlet guard board of heat-exchanger rig.
Fig. 5 is the structural schematic diagram of the second heat exchanger air outlet guard board of heat-exchanger rig.
In figure: 1- supporting support, 2- drain valve, 3- dust emission mouth, 4- vibrator, 5- ash bucket, 6- cyclone dust collectors, 7-
Multilayer cyclone channel, 8- dedusting strainer, 9- strainer deduster, 10- air inlet, 11- cyclone channel baffle, 12- flange, 13- are close
Seal, 14- fixing bolt, 15- strainer deduster handle, 16- exhaust duct, 17- mounting flange, 18- enter the wind air distribution plate, 19-
Heat exchanging pipe, 20- cooling water outlet, 21- baffle plate, 22- First Heat Exchanger air outlet guard board, 23- the second heat exchanger air outlet guard board,
24- purification air exhaust outlet, 25- condensation-water drain valve, 26- water seal, 27- cooling water inlet, 28- heat exchanger, 29- strainer remove
Dirt bracket.
Specific embodiment
Explanation that the present invention will be further explained with reference to the accompanying drawings and examples.
A kind of low-heat steam total heat recovery dedusting dehumidifying seperator, including dust-extraction unit and heat-exchanger rig, the dedusting dress
It sets and is connected by exhaust duct 16 with heat-exchanger rig, the dust-extraction unit includes cyclone dust removal portion and strainer dust removal unit, strainer
Dust removal unit extends downward into cyclone dust removal portion inner end by cyclone dust removal portion upper end；
The cyclone dust removal portion includes cyclone dust collectors 6, air inlet 10 and cyclone channel baffle 11, in the cyclone dust collectors 6
Wall is provided with cyclone channel baffle 11, the multilayer cyclone channel that 6 inner wall of cyclone dust collectors and cyclone channel baffle 11 are formed
7,6 side of cyclone dust collectors offers air inlet 10；
The strainer dust removal unit includes dedusting strainer 8, strainer deduster 9, flange 12, sealing ring 13, fixing bolt 14 and strainer
Deduster handle 15,9 inner end of strainer deduster are installed with dedusting strainer 8, and 8 top of dedusting strainer is equipped with strainer dedusting
Device handle 15,9 upper end of strainer deduster are arranged with the flange 12 of adaptation, install between the flange 12 and strainer deduster 9
There is sealing ring 13, the strainer deduster 9 is fixedly connected with flange 12 by fixing bolt 14；
The heat-exchanger rig includes air inlet air distribution plate 18, heat exchanging pipe 19, baffle plate 21, First Heat Exchanger air outlet guard board 22, the
Two heat exchanger air outlet guard boards 23 and heat exchanger 28,28 inside front ends of heat exchanger are installed with air inlet air distribution plate 18, the heat exchange
28 inner end middle section of device is equipped with heat exchanging pipe 19, and it is set up and down to be installed at least two difference in the heat exchanger 28
Baffle plate 21,28 upper and lower ends of heat exchanger are installed with cooling water outlet 20 and cooling water inlet 27, the heat exchanger respectively
28 insides rear end setting, at least two difference First Heat Exchanger air outlet guard board 22 set up and down, the second heat exchanger air outlet guard board
23,23 front end of the second heat exchanger air outlet guard board is installed with purification air exhaust outlet 24.
Cyclone dust removal portion further includes drain valve 2, dust emission mouth 3, vibrator 4, ash bucket 5,6 bottom end of cyclone dust collectors
Equipped with the ash bucket 5 communicated, 5 outer end of ash bucket is fixed to be installed with vibrator 4, and 5 bottom end of ash bucket is equipped with dust emission mouth 3,
Drain valve 2 is installed on the dust emission mouth 3.
The cyclone dust removal portion is fixedly installed in supporting support 1, the connecting tube of the exhaust duct 16 and heat-exchanger rig
Road junction is equipped with mounting flange 17.
28 bottom end of heat exchanger is equipped with condensation-water drain, is equipped with condensation-water drain valve at the condensation-water drain
25, it is connected at the condensation-water drain with water seal 26.
Cyclone dust removal portion inner end is welded with the strainer dedusting bracket 29 of concave setting, and the strainer dust removal unit is installed on
In 29 groove of strainer dedusting bracket and in adaptation setting.
In order to facilitate understanding above-mentioned technical proposal of the invention, below by way of specific usage mode to of the invention above-mentioned
Technical solution is described in detail.
Low-heat steam total heat recovery dedusting dehumidifying seperator consists of two parts: dust-extraction unit and heat-exchanger rig, wherein removing
Dirt device is combined by cyclone dust removal portion and strainer dust removal unit, can effectively remove waste hot steam to 99% point of dust；Heat exchange dress
It sets using tubulation heat exchange structure, it is contemplated that the waste hot steam after dedusting still contains a small amount of dust, therefore sets in 28 import of heat exchanger
Air inlet air distribution plate 18 is set, exit is vertically disposed with First Heat Exchanger air outlet guard board 22, the second heat exchanger air outlet guard board 23, guarantees
While removing 95% vapor in waste hot steam, energy whole recycling, chalk dust removing is further removed, guarantees the air emitted
Clean, low humidity is utilized for subsequent air circulation and is created favorable conditions.
The waste hot steam generated in sludge at low temperature drying process is delivered to air inlet 10 by blower, in cyclone dust collectors 6
Inner wall is provided with cyclone channel baffle 11, the multilayer cyclone channel 7 that 6 inner wall of cyclone dust collectors and cyclone channel baffle 11 are formed,
Waste hot steam is moved downward along the rotation of multilayer cyclone channel 7, and most dust are deposited under effect of inertia and gravity
The inner wall of ash bucket 5 and bottom, remaining waste hot steam spiral move upwards, and secondary interception are carried out through filter screen deduster 9, into one
Step removes chalk dust removing, and after cyclone dust removal and strainer dedusting, 99% dust is by separating treatment in waste hot steam, in ash bucket 7
The continuous accumulation of dust, dust is deposited in 7 inner wall of ash bucket in order to prevent, and 7 bottom of ash bucket is provided with vibrator 4, start by set date
Vibrator 4 shakes the dust deposited on 7 inner wall of ash bucket, arranges automatically by dust emission mouth 3, dust self-draining valve 2
Out,
The exhaust duct 16 of dust-extraction unit passes through mounting flange 17 and bolt by connecting with the connecting pipe of heat-exchanger rig
Fixed, the waste hot steam after dedusting enters heat exchanger 28 by wind exhausting outlet 16 through deduster, in 28 entrance of heat exchanger
It is provided with air inlet air distribution plate 18, waste hot steam uniformly passes through 19 tube side of heat exchanging pipe by air distribution plate 18, in heat exchanging pipe 19
Shell side flows through cooling water, and heat convection is used between 19 tube side of heat exchanging pipe and shell side, guarantees that short stream does not occur for cooling water, exchanges heat
Baffle plate 21 is provided in device 28, cooling water flows through baffle plate 21 setting up and down by 28 bottom coohng water inlet 27 of heat exchanger,
It being discharged in cooling water outlet 20, cooling water is absorbed to enter in low temperature anhydration system after the heat in waste hot steam and be recycled,
After supercooled water exchanges heat, temperature reduces waste hot steam, and vapor liquefies to form water droplet, drains into water by condensation-water drain outlet
In envelope 26, to further decrease the vapor in waste hot steam, 28 end of heat exchanger is provided with First Heat Exchanger air outlet guard board
22 and the second heat exchanger air outlet guard board 23, collision exchanges heat in baffle first under the vapor gravity and effect of inertia in waste hot steam
On device air outlet guard board 22 and the second heat exchanger air outlet guard board 23, formed big water droplet with it is net after dedusting, dehumidifying, total heat recovery
Change air by purification air exhaust outlet 24 be discharged, into heat pump system in recycle, guarantee the safe and stable of follow-up equipment
Operation.
The dedusting strainer 8 of strainer deduster 9 needs to remove cleaning after a period of use, so being provided in the present invention
Quick-replaceable cleaning structure, when disassembly: dismounting fixing bolt 14 first is taken away top flange 12 and sealing ring 13, is then picked up
Strainer deduster handle 15 takes out strainer deduster 9 out of strainer deduster bracket 29, after dedusting strainer 8 is cleaned up,
It picks up strainer deduster handle 15 strainer deduster 9 is placed in strainer deduster bracket 29, enables strainer deduster 9
It is recycled.
Above content is example and explanation of the invention, but does not mean that the obtainable advantage of the present invention is so limited, all
It is wherein one the advantages of may being realized in simple transformation, and/or some embodiments to structure in practice process of the present invention
It is a or it is multiple within the scope of protection of this application.
Claims (6)
- The seperator 1. a kind of low-heat steam total heat recovery dedusting dehumidifies, it is characterised in that: including dust-extraction unit and heat-exchanger rig, institute It states dust-extraction unit and is connected by exhaust duct (16) with heat-exchanger rig, the dust-extraction unit includes that cyclone dust removal portion and strainer remove Dirt portion, strainer dust removal unit extend downward into cyclone dust removal portion inner end by cyclone dust removal portion upper end；The cyclone dust removal portion includes cyclone dust collectors (6), air inlet (10) and cyclone channel baffle (11), the cyclone dust removal Device (6) inner wall is provided with cyclone channel baffle (11), and cyclone dust collectors (6) inner wall is formed with cyclone channel baffle (11) Multilayer cyclone channel (7), cyclone dust collectors (6) side offer air inlet (10)；The strainer dust removal unit includes dedusting strainer (8), strainer deduster (9), flange (12), sealing ring (13), fixing bolt (14) it is installed with dedusting strainer (8) with strainer deduster handle (15), strainer deduster (9) inner end, the dedusting strainer (8) top is equipped with strainer deduster handle (15), and strainer deduster (9) upper end is arranged with the flange (12) of adaptation, described It is installed between flange (12) and strainer deduster (9) sealing ring (13), the strainer deduster (9) and flange (12) pass through fixation Bolt (14) is fixedly connected；The heat-exchanger rig includes air inlet air distribution plate (18), heat exchanging pipe (19), baffle plate (21), First Heat Exchanger air outlet guard board (22), the second heat exchanger air outlet guard board (23) and heat exchanger (28), heat exchanger (28) inside front ends are installed with air inlet cloth wind Plate (18), heat exchanger (28) the inner end middle section are equipped with heat exchanging pipe (19), be installed in the heat exchanger (28) to Few two difference baffle plates set up and down (21), heat exchanger (28) upper and lower ends are installed with cooling water outlet respectively (20) it set up and down first is changed respectively with cooling water inlet (27), heat exchanger (28) inside rear end setting at least two Hot device air outlet guard board (22), the second heat exchanger air outlet guard board (23), the second heat exchanger air outlet guard board (23) front end are installed with It purifies air exhaust outlet (24).
- The seperator 2. low-heat steam total heat recovery dedusting according to claim 1 dehumidifies, it is characterised in that: the whirlwind removes Dirt portion further includes drain valve (2), dust emission mouth (3), vibrator (4), ash bucket (5), and cyclone dust collectors (6) bottom end is equipped with The ash bucket (5) communicated, ash bucket (5) the outer end fixation are installed with vibrator (4), and ash bucket (5) bottom end is equipped with dust emission Mouthful (3) are installed with drain valve (2) on the dust emission mouth (3).
- The seperator 3. low-heat steam total heat recovery dedusting according to claim 1 dehumidifies, it is characterised in that: the whirlwind removes Dirt portion is fixedly installed on supporting support (1).
- The seperator 4. low-heat steam total heat recovery dedusting according to claim 1 dehumidifies, it is characterised in that: the air-exhausting duct The connecting pipe junction of road (16) and heat-exchanger rig is equipped with mounting flange (17).
- The seperator 5. low-heat steam total heat recovery dedusting according to claim 1 dehumidifies, it is characterised in that: the heat exchanger (28) bottom end is equipped with condensation-water drain, is equipped with condensation-water drain valve (25) at the condensation-water drain, the condensed water goes out It is connected at mouthful with water seal (26).
- The seperator 6. low-heat steam total heat recovery dedusting according to claim 1 dehumidifies, it is characterised in that: the whirlwind removes Dirt portion inner end is welded with the strainer dedusting bracket (29) of concave setting, and the strainer dust removal unit is installed on strainer dedusting bracket (29) In groove and in adaptation setting.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910588891.XA CN110215790A (en) | 2019-07-02 | 2019-07-02 | A kind of low-heat steam total heat recovery dedusting dehumidifying seperator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910588891.XA CN110215790A (en) | 2019-07-02 | 2019-07-02 | A kind of low-heat steam total heat recovery dedusting dehumidifying seperator |
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Cited By (5)
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| CN112076576A (en) * | 2020-09-07 | 2020-12-15 | 潘彬夫 | Intelligent purifying equipment for treating chemical tail gas |
| CN112179120A (en) * | 2020-10-09 | 2021-01-05 | 和县宇阳秸秆颗粒有限公司 | Waste heat recovery device of dryer for straw particle production |
| CN113295038A (en) * | 2021-06-07 | 2021-08-24 | 哈尔滨工业大学 | Injecting double-cone low-consumption rotational flow sewage heat recovery anti-blocking device |
| CN113350940A (en) * | 2021-05-10 | 2021-09-07 | 西北大学 | High-temperature dust-containing steam dust removal and purification equipment |
| CN115653920A (en) * | 2022-11-02 | 2023-01-31 | 江苏恒康机电有限公司 | Gas-liquid self-separation explosion-proof fan |
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