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 PDF

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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
Authority
CN
China
Prior art keywords
heat
strainer
dedusting
dust removal
dust
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.)
Pending
Application number
CN201910588891.XA
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Chinese (zh)
Inventor
花成巍
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Kangtai Environmental Protection Co Ltd
Original Assignee
Jiangsu Kangtai Environmental Protection Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu Kangtai Environmental Protection Co Ltd filed Critical Jiangsu Kangtai Environmental Protection Co Ltd
Priority to CN201910588891.XA priority Critical patent/CN110215790A/en
Publication of CN110215790A publication Critical patent/CN110215790A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D50/00Combinations of devices for separating particles from gases or vapours
    • B01D50/008Combinations of devices relating to groups B01D45/00 and B01D46/00 and B01D47/00
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/12Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/13Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D21/0001Recuperative heat exchangers
    • F28D21/0014Recuperative heat exchangers the heat being recuperated from waste air or from vapors

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

A kind of low-heat steam total heat recovery dedusting dehumidifying seperator
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)

  1. 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).
  2. 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).
  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).
  4. 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).
  5. 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).
  6. 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.
CN201910588891.XA 2019-07-02 2019-07-02 A kind of low-heat steam total heat recovery dedusting dehumidifying seperator Pending CN110215790A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910588891.XA CN110215790A (en) 2019-07-02 2019-07-02 A kind of low-heat steam total heat recovery dedusting dehumidifying seperator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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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CN110215790A true CN110215790A (en) 2019-09-10

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

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