CN110624375A - High-temperature acidic flue gas deacidification device arranged in garbage incinerator - Google Patents

High-temperature acidic flue gas deacidification device arranged in garbage incinerator Download PDF

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Publication number
CN110624375A
CN110624375A CN201910898858.7A CN201910898858A CN110624375A CN 110624375 A CN110624375 A CN 110624375A CN 201910898858 A CN201910898858 A CN 201910898858A CN 110624375 A CN110624375 A CN 110624375A
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flue gas
base
carrier
recess
connecting piece
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CN201910898858.7A
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CN110624375B (en
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余昭胜
杜斌云
马晓茜
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South China University of Technology SCUT
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South China University of Technology SCUT
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/48—Sulfur compounds
    • B01D53/50—Sulfur oxides
    • B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
    • B01D53/504—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/68—Halogens or halogen compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/80—Semi-solid phase processes, i.e. by using slurries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/40—Alkaline earth metal or magnesium compounds
    • B01D2251/404—Alkaline earth metal or magnesium compounds of calcium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/60—Inorganic bases or salts
    • B01D2251/602—Oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/60—Inorganic bases or salts
    • B01D2251/604—Hydroxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/20—Halogens or halogen compounds
    • B01D2257/204—Inorganic halogen compounds
    • B01D2257/2045—Hydrochloric acid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/02—Other waste gases
    • B01D2258/0283—Flue gases
    • B01D2258/0291—Flue gases from waste incineration plants

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treating Waste Gases (AREA)

Abstract

The invention relates to a high-temperature acidic flue gas deacidification device arranged in a garbage incinerator, which comprises a base, wherein the base is slidably arranged at the upper part of three channels in the incinerator, a first through hole is formed in the middle of the base, and the first through hole is arranged corresponding to the flowing direction of high-temperature acidic flue gas; a plurality of carriers that attach, detachably installs on the base in proper order, every attaches the equal rigid coupling on carrier surface and has had the adsorbent, and two adjacent attach and leave the gap that high temperature acid flue gas passes through between the carrier. When the high-temperature acidic flue gas flows through the first through hole of the base and passes through the gap between the attached carriers, the adsorbent can react with the high-temperature acidic flue gas, and the corrosion of the high-temperature acidic flue gas to the heat exchanger on the horizontal flue is greatly reduced. Because the adsorbent is fixedly connected to the adsorption carrier, the adsorbent cannot be separated from the adsorption carrier and attached to the heat exchanger, so that the phenomenon of serious coking on the heat exchange pipeline cannot be caused, and meanwhile, the serious scouring and abrasion of the heat exchange pipeline caused by the fact that the adsorbent is changed into hard particles are avoided.

Description

High-temperature acidic flue gas deacidification device arranged in garbage incinerator
Technical Field
The invention relates to the field of environment-friendly equipment, in particular to a high-temperature acidic flue gas deacidification device arranged in a garbage incinerator.
Background
With the rapid development of cities, the garbage problem is more and more severe. One of the garbage disposal methods that is currently being developed in our country is centralized incineration.
The fuel of the waste incineration is various types of waste with complex components and extremely unstable heat value, and the smoke generated in the waste incineration process contains a large amount of hazardous substances. The proportion of acidic flue gas such as hydrogen chloride, nitrogen oxide, sulfur oxide and the like in the waste incineration flue gas is large. After the high-temperature acidic flue gas passes through three channels from the hearth, the high-temperature acidic flue gas is in contact with the horizontal flue without deacidification treatment, and the corrosion damage to heat exchange pipelines arranged in the horizontal flue, such as a superheater, a reheater, an economizer and the like, is serious. Under the long-term corrosion action of the acidic flue gas, the strength of the heat exchange pipeline is greatly reduced, and accidents such as pipe explosion and the like which seriously affect the operation safety of the boiler are easily caused.
Because the temperature of the pipeline from the hearth to the horizontal flue is extremely high when the incinerator works, people generally think that the adsorbent is difficult to keep activity at the high temperature, and people cannot imagine that a deacidification device is arranged in the pipeline in front of the horizontal flue. The inventors have uniquely found that despite the extremely high temperature in the tubes from the furnace to the horizontal flue, the temperature in the confined space above the three channels is about 700 c, and the sorbent remains active at this temperature, and a deacidification unit can be provided above the three channels to protect the heat exchange tubes of the horizontal flue.
If a deacidification device outside a common incinerator is adopted for deacidification treatment, for example, a slaked lime injector is adopted to directly inject lime slurry or dry slaked lime powder into three channels, and some lime slurry or dry slaked lime powder is adhered to a heat exchange pipeline and quickly becomes hard dust particles under the action of high-temperature high-flow-rate acidic flue gas, so that the heat exchange pipeline is seriously coked; after some lime slurry or dry slaked lime powder is changed into hard dust particles, the heat exchange pipeline is seriously scoured and abraded along with the flowing of high-temperature and high-flow-rate acid flue gas.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention aims to: the utility model provides a set up the high temperature acid flue gas deacidification device in msw incineration stove, it can carry out the deacidification to the high temperature acid flue gas that comes out from burning furnace before getting into burning furnace horizontal flue, the corruption of the heat transfer pipeline on the horizontal flue of the high temperature acid flue gas that significantly reduces, the adsorbent can not adhere and make the heat transfer pipeline appear serious coking phenomenon on the heat transfer pipeline, can not cause the erosive wear to the heat transfer pipeline, effectively protects the heat transfer pipeline.
In order to achieve the purpose, the invention adopts the following technical scheme:
a high-temperature acidic flue gas deacidification device arranged in a garbage incinerator comprises
The base is slidably arranged on the upper part of the three channels in the incinerator and can slide out of the incinerator from the upper part of the three channels or slide into the upper part of the three channels from the outside of the incinerator, a first through hole is formed in the middle of the base and corresponds to the flowing direction of the high-temperature acidic flue gas;
a plurality of carriers that attach, detachably installs on the base in proper order, every attaches the equal rigid coupling on carrier surface and has had the adsorbent, and two adjacent attach and leave the gap that high temperature acid flue gas passes through between the carrier.
Further, every attaches the carrier and all corresponds and is provided with the support, and the support middle part is equipped with the second through-hole, and the second through-hole is parallel with first through-hole, attaches carrier detachably and connects in the support, and a plurality of supports are in proper order can dismantle the connection, and every support all with base sliding connection.
Furthermore, one end of each support is provided with a concave part, the other end of each support is provided with a convex part, and two adjacent supports are clamped and connected in a matched mode through the concave parts and the convex parts.
Further, the support is equipped with a plurality of draw-in grooves, attaches the carrier and is equipped with joint portion, through joint portion and draw-in groove cooperation, attaches the carrier joint in support.
Further, the accessory carrier comprises a plurality of accessory carriers connected end to end in sequence, an included angle is formed between every two adjacent accessory carriers, the joint of every two adjacent accessory carriers forms a clamping portion, the opening of the clamping groove faces the second through hole, and the clamping portion and the opening of the clamping groove are correspondingly arranged.
Further, the base inside wall is equipped with the recess, and the extending direction of recess is parallel with the sliding direction of base, and a plurality of support sliding connection are in the recess.
Furthermore, a plurality of roller grooves are formed in the lower side wall of the groove, a roller is arranged in each roller groove, the rotating shaft of each roller is perpendicular to the sliding direction of the base, and the base slides on the plurality of rollers.
Further, the base comprises a first connecting piece, a second connecting piece, a third connecting piece and a fourth connecting piece which are sequentially connected end to form a closed loop, the grooves comprise a first groove and a second groove, the inner side wall of the second connecting piece is arranged in the first groove, the inner side wall of the fourth connecting piece is arranged in the second groove, the extending directions of the first groove and the second groove are parallel to the sliding direction of the base, and the plurality of supports are slidably connected in the first groove and the second groove.
Further, when the base slides into the upper part of the three channels from the outside of the incinerator, the distance between the first connecting piece and the center of the three channels is larger than the distance between the third connecting piece and the center of the three channels; and an access space capable of bearing the support is reserved between the first connecting piece and the first groove and between the first connecting piece and the second groove.
Further, the incinerator also comprises a driving device, the driving device is fixedly connected with the incinerator, and the driving device drives the base to act.
In summary, the present invention has the following advantages:
the first through hole in base middle part corresponds the setting with the flow direction of high temperature acid flue gas, and high temperature acid flue gas can be followed first through hole and passed through. Because install on the base and attach the carrier, attach the last rigid coupling of carrier and have the adsorbent, leave the gap that high temperature acid flue gas passes through between two adjacent attach the carrier, consequently when high temperature acid flue gas flows through and through attaching the gap between the carrier from the first through-hole of base, the adsorbent can take place the reaction with high temperature acid flue gas to can carry out deacidification treatment before high temperature acid flue gas gets into horizontal flue, the corruption of heat transfer pipeline on the horizontal flue of greatly reduced high temperature acid flue gas. Because the adsorbent is fixedly connected to the adsorption carrier, even under the action of high-temperature and high-flow-rate acidic flue gas, the adsorbent cannot be separated from the adsorption carrier and attached to the heat exchange pipeline, so that the phenomenon of serious coking on the heat exchange pipeline cannot be caused, and meanwhile, the phenomenon that the adsorbent is changed into hard particles and causes serious erosive wear on the heat exchange pipeline is avoided. When the adsorbent completely reacts and loses activity, the adsorbent can slide out of the base and the adsorbent carrier is taken out from the base to replace the adsorbent, so that the activity of the adsorbent is continuously maintained, and meanwhile, the hidden danger that the adsorbent is separated from the adsorbent carrier and seriously scours and abrades a heat exchange pipeline due to the action of high-temperature and high-flow-rate acidic flue gas for a long time after being changed into hard particles can be further eliminated, and the heat exchange pipeline is effectively protected.
Because the temperature of the pipeline from the hearth to the horizontal flue is extremely high when the incinerator works, people generally think that the adsorbent in the pipeline is difficult to keep activity, and people cannot imagine that a deacidification device is arranged in the pipeline in front of the horizontal flue. The inventor uniquely finds that the adsorbent can keep activity at a lower temperature in a limited space at the upper part of the three channels, so that the invention can effectively perform deacidification treatment on high-temperature acidic flue gas before entering the horizontal flue, thereby protecting the heat exchange pipeline of the horizontal flue.
Drawings
Fig. 1 is a schematic front view of an embodiment of the present invention installed in the upper portion of three channels.
FIG. 2 is a top view of an embodiment of the present invention installed in the upper portion of three channels.
FIG. 3 is a left side view of the embodiment of the present invention installed in the upper portion of the three channels.
FIG. 4 is a cross-sectional view taken along line C of FIG. 6 according to an embodiment of the present invention.
Fig. 5 is a schematic top view of a base according to an embodiment of the invention.
FIG. 6 is a cross-sectional view taken along line A of FIG. 4 according to an embodiment of the present invention.
FIG. 7 is a cross-sectional view taken along line B of FIG. 4 according to an embodiment of the present invention.
Fig. 8 is a schematic front view of a bracket and an attached carrier according to an embodiment of the invention.
Fig. 9 is an enlarged schematic view of fig. 8 at D.
Fig. 10 is a left side view schematically illustrating a bracket and an attached carrier according to an embodiment of the invention.
Fig. 11 is a schematic top view of a bracket and an attached carrier according to an embodiment of the invention.
Fig. 12 is a schematic top view of the bracket and the attached carrier mounted to the base.
Fig. 13 is a perspective view of a base (roller slot not shown) according to an embodiment of the present invention.
FIG. 14 is a schematic diagram of the path of the high temperature acid flue gas from the furnace through the horizontal flue.
Figure 15 is a schematic top view of two deacidification apparatuses symmetrically arranged on the upper part of three channels.
Fig. 16 is a left side view of two deacidification devices symmetrically arranged at the upper part of three channels.
Description of reference numerals:
1-base, 11-groove, 12-roller groove, 13-roller, 14-access space;
2-bracket, 21-mortise, 22-tenon, 23-slot;
3-attaching a carrier;
41-a channel, 43-a channel, 44-a hearth, 45-a horizontal flue, 451-a heat exchange pipeline;
5-hydraulic cylinder.
Detailed Description
The present invention will be described in further detail below.
Referring to fig. 14, a schematic diagram of the path of the high-temperature acidic flue gas flowing from the furnace 44 through the horizontal flue 45 is shown. The high-temperature acidic flue gas flows from the hearth 44 through the first channel 41, the second channel 42, the third channel 43 and the horizontal flue 45, and then flows to the reaction tower. Wherein horizontal flue 45 has a number of heat exchange pipes 451.
As shown in fig. 1 to 3, a high-temperature acidic flue gas deacidification device arranged in a waste incinerator comprises a base 1 which is slidably arranged at the upper part of a three channel 43 in the incinerator and can slide out of the incinerator from the upper part of the three channel 43 or slide into the upper part of the three channel 43 from the outside of the incinerator, wherein a first through hole is formed in the middle of the base 1 and corresponds to the flowing direction of high-temperature acidic flue gas; the flow direction of the high-temperature acidic flue gas is shown by the arrow in fig. 1. The multiple auxiliary carriers 3 are sequentially detachably mounted on the base 1, the surface of each auxiliary carrier 3 is fixedly connected with an adsorbent, and a gap for high-temperature acidic flue gas to pass through is reserved between every two adjacent auxiliary carriers 3.
Specifically, an operation platform is erected outside the incinerator corresponding to the upper part of the three channel 43 to place the device, a first door opening and a second door opening are respectively formed in two side walls corresponding to the upper part of the three channel 43, and the first door opening and the second door opening correspond to the operation platform. The base 1 can slide from the operating platform into the first door opening and continue to advance into the second door opening, finally hanging against both door openings simultaneously. The high-temperature acidic flue gas flows from the lower part of the three channels 43 to the upper part and passes through the first through hole of the base 1. The carrier 3 is for carrying an adsorbent. Because the base 1 is provided with the auxiliary carrier 3, the auxiliary carrier 3 is fixedly connected with the adsorbent, a gap for high-temperature acidic flue gas to pass through is reserved between two adjacent auxiliary carriers 3, when the high-temperature acidic flue gas flows through the gap between the auxiliary carriers 3 from the first through hole of the base 1, the adsorbent can react with the high-temperature acidic flue gas, so that deacidification treatment can be carried out before the high-temperature acidic flue gas enters the horizontal flue 45, and the corrosion of the high-temperature acidic flue gas to the heat exchange pipeline 451 on the horizontal flue 45 is greatly reduced. The cross-sectional area of the base 1 preferably occupies more than ninety percent of the cross-sectional area of the three channels 43 to ensure that the high temperature acidic flue gas can more effectively contact and react with the adsorbent when flowing through the base 1.
Because the adsorbent is fixedly connected to the adsorption carrier 3, even under the action of high-temperature and high-flow-rate acidic flue gas, the adsorbent cannot be separated from the adsorption carrier 3 and attached to the heat exchange pipeline 451, so that the phenomenon of serious coking on the heat exchange pipeline 451 is avoided, and meanwhile, the phenomenon that the adsorbent is changed into hard particles and causes serious scouring and abrasion on the heat exchange pipeline 451 is avoided.
The device is designed in a drawer mode, when the adsorbent completely reacts and loses activity, the adsorbent can slide out of the base 1 from the three channels 43 and the adsorbent carrier 3 is taken out from the base 1 to replace the adsorbent, and the hidden danger that the adsorbent is separated from the adsorbent carrier 3 and seriously scours and abrades the heat exchange pipeline 451 due to the action of high-temperature and high-flow-rate acidic smoke for a long time after being changed into hard particles can be further eliminated while the activity of the adsorbent is continuously kept.
The carrier 3 adopted in the embodiment is a high-temperature-resistant ceramic fired product, the adsorbent is lime slurry, the lime slurry is sprayed on the surface of the ceramic fired product, when acid flue gas passes through, the lime slurry can chemically react with the acid flue gas, and the lime slurry is adhered to the surface of the ceramic fired product, so that the lime slurry has high adhesion, and cannot be separated from the ceramic fired product and adhered to the heat exchange pipeline 451 due to the passing of the high-temperature high-flow-rate acid flue gas, and coking phenomenon cannot occur on the heat exchange pipeline 451; when the lime slurry becomes hard dust particles, the lime slurry still adheres to the surface of the ceramic fired product, so that the heat exchange pipeline 451 is prevented from being seriously scoured and abraded.
The principle of the chemical reaction is as follows:
CaO+2HCl＝CaCl2+H2O；
CaO+SO2＝CaSO3；
Ca(OH)2+2HCl＝CaCl2+2H2O；
Ca(OH)2+SO2＝CaSO3+H2O；
solid slag CaCl formed by chemical reaction2And CaSO3Can be used as building materials for recovery, achieves the aims of sulfur fixation and chlorine fixation, and reduces the harm to the natural environment.
Because the base 1 is long, two bases 1 can be oppositely arranged instead of only one base 1. As shown in fig. 15 and 16, the two bases 1 slide in and out of the two door openings, respectively, and when the two bases 1 slide in and work, the two bases abut against each other to maximize the use of space.
As shown in fig. 2, 8 and 10 to 12, each of the auxiliary carriers 3 is correspondingly provided with a support 2, the middle part of the support 2 is provided with a second through hole, the second through hole is parallel to the first through hole, high-temperature acidic flue gas flows through the first through hole and the second through hole, the auxiliary carriers 3 are detachably connected to the supports 2, the plurality of supports 2 are sequentially detachably connected, and each support 2 is slidably connected with the base 1.
Specifically, each rack 2 is an independent unit, which can be separated from the adjacent rack 2 and be taken out of the base 1 individually to replace the adsorbent on the rack 2 individually. When all the adsorbents need to be replaced, the whole base 1 does not need to be pulled out, only a small section of the base 1 needs to be pulled out, the support 2 close to the operating platform pulls the support 2 close to the inner side, and all the supports 2 can be taken out by taking out the supports 2 one by one, so that a large air port is formed at the upper part of the three channels 43 when the base 1 is integrally pulled out, and negative pressure balance and stable combustion of the boiler are influenced.
The support 2 one end is equipped with the concave part, and the other end is equipped with the convex part, and two adjacent supports 2 pass through concave part and convex part cooperation joint. The adjacent brackets 2 can be connected to each other and separated from each other by clamping.
Specifically, as shown in fig. 8 and 10, one end of each bracket 2 is provided with a tenon 22, the other end of each bracket 2 is provided with a mortise 21, and the two adjacent brackets 2 are matched and clamped together through the tenons 22 and the mortises 21. The tenon 22 and the mortise 21 can form rigid connection, so that the plurality of connected brackets 2 can be conveniently pulled out of the base 1 one by one, and the two brackets 2 assembled together can be conveniently pushed forwards. The tenon 22 of the next bracket 2 placed in the base 1 is connected with the mortise 21 of the previous bracket 2, and then the distance of one bracket 2 is pushed inwards, and all the brackets 2 can be finally pushed into the base 1 by the same principle.
Of course, the connection of the brackets can also adopt other connection modes, for example, one end of each bracket 2 is provided with a connecting hole, the other end of each bracket 2 is provided with a movable hook, and two adjacent brackets 2 are hung on the connecting hole of the other bracket 2 by the hook of one bracket 2 and are connected with each other.
As shown in fig. 8 and 9, the bracket 2 is provided with a plurality of slots 23, the auxiliary carrier 3 is provided with a clamping portion, and the auxiliary carrier 3 is clamped to the bracket 2 by the cooperation of the clamping portion and the slots 23. Thereby the accessory carrier 3 can be fixed on the bracket 2 and can be taken out from the bracket 2 conveniently.
The auxiliary carrier 3 comprises a plurality of auxiliary carriers which are sequentially connected end to end, an included angle is formed between every two adjacent auxiliary carriers, a clamping portion is formed at the joint of every two adjacent auxiliary carriers, the opening of the clamping groove 23 faces the second through hole, and the clamping portion and the opening of the clamping groove 23 are correspondingly arranged.
Specifically, the attached carrier 3 is a folding structure formed by sequentially connecting a plurality of attached carriers end to end, the high-temperature acidic flue gas flows through a gap between adjacent attached carriers in the folding structure, the folding structure is preferably S-shaped or M-shaped, the folding structure has a large surface area, the surface utilization rate is high, disturbance can be caused to the high-temperature acidic flue gas flow to strengthen the reaction, and the deacidification effect is better. The clamping grooves 23 are formed in the top surface of the bracket 2, and the depth of the clamping grooves 23 is smaller than the thickness of the bracket 2, namely the clamping grooves 23 do not penetrate through the bracket 2. Two adjacent attaches a carrier junction and forms a closed angle (M shape beta structure) or fillet (S shape beta structure), and this closed angle or fillet form joint portion, and joint portion card is at the opening part of draw-in groove 23, and the opening of draw-in groove 23 is towards the second through-hole, and open-ended two lateral walls can restrict beta structure' S deformation and aversion. Because attach the carrier and have a plurality of joint portions, every joint portion has draw-in groove 23 respectively to correspond, and 2 both ends of support all are equipped with draw-in groove 23 promptly, through draw-in groove 23 and the cooperation of a plurality of joint portions at both ends for attach carrier 3 and install on support 2 firmly, will attach carrier 3 again easily simultaneously and take out from support 2.
As shown in fig. 4, 6 and 13, the inner side wall of the base 1 is provided with a groove 11, the extending direction of the groove 11 is parallel to the sliding direction of the base 1, and the plurality of brackets 2 are slidably connected to the groove 11.
The distance between two upper and lower lateral walls of recess 11 is greater than support 2 thickness, can provide spacingly for support 2, makes support 2 can not be because of receiving the high temperature acid flue gas to blow and move from top to bottom in the course of the work. The bracket 2 slides more smoothly on the groove 11, which is beneficial to pushing or pulling the bracket 2 to replace the adsorbent.
As shown in fig. 4, 6 and 7, the lower side wall of the groove 11 is provided with a plurality of roller grooves 12, each roller groove 12 is provided with a roller 13, the rotation axis of the roller 13 is perpendicular to the sliding direction of the base 1, and the base 1 slides on the plurality of rollers 13.
The rotation direction of the roller 13 is the same as the sliding-in or sliding-out direction of the base 1, and the roller 13 drives the base 1 to move along the extending direction of the groove 11 when rotating. The rollers 13 can reduce the friction when the bracket 2 slides in the groove 11, so that the bracket 2 is more flexible. The roller groove 12 provides a space for the roller 13 to rotate while restricting the roller from rolling freely. The roller 13 can be a small cylinder or a round ball made of high-temperature resistant ceramic. The roller slot 12 may be correspondingly designed as a hollowed out hemisphere, cube, half cylinder, etc., with an optimal design being selectable by production practice.
Base 1 is including the first connecting piece, second connecting piece, third connecting piece and the fourth connecting piece that end to end connection just formed the closed loop in proper order, and recess 11 includes first recess and second recess, and second connecting piece inside wall is located to first recess, and fourth connecting piece inside wall is located to the second recess, and the extending direction of first recess and second recess is parallel with base 1's slip direction, and 2 sliding connection in first recess and second recess of a plurality of supports.
The first through hole is surrounded by first connecting piece, second connecting piece, third connecting piece and fourth connecting piece and forms. Through corresponding the position at base 1 and set up recess 11 respectively, support 2 slides on two recesses 11 more balanced smooth and easy.
When the base 1 slides into the upper part of the three channels 43 from the outside of the incinerator, the distance between the first connecting piece and the center of the three channels 43 is larger than the distance between the third connecting piece and the center of the three channels 43, namely the first connecting piece is closer to the operating platform than the third connecting piece; the distance is reserved between one end of the first groove facing the first connecting piece, one end of the second groove facing the first connecting piece, the first through hole and the first connecting piece, namely, a storage space 14 capable of bearing the support 2 is reserved between the first connecting piece and the first groove and between the first connecting piece and the second groove, the storage space 14 is close to the first through hole, and the support 2 is conveniently placed into or taken out of the base 1.
As shown in fig. 3 and 16, the incinerator further comprises a driving device which is fixedly connected to the incinerator and drives the base 1 to operate.
Specifically, the driving device is a hydraulic cylinder 5, a cylinder of the hydraulic cylinder 5 is fixedly connected to the incinerator, a piston of the hydraulic cylinder 5 is fixedly connected to the base 1, and the expansion direction of the piston is parallel to the sliding direction of the base 1. The driving device can also adopt other mechanical structures such as an air cylinder or a gear rack to drive the base 1 to move.
The working principle of the invention is as follows:
the driving device drives the base 1 to slide into the upper part of the three channel 43 from the door opening on one side, and the base 1 straddles the door openings on the two sides of the three channel 43. The high-temperature acidic flue gas flows into the first through hole of the base 1 from the lower part of the three channels 43 and passes through the attached carrier 3 on the base 1, and the adsorbent on the attached carrier 3 reacts with the high-temperature acidic flue gas so as to effectively deacidify the flue gas.
When the carrier 3 or the adsorbent needs to be replaced, the driving device drives the base 1 to retreat a small distance from the side door opening to expose the access space 14, pulls the first rack 2 out of the access space 14 on the groove 11, pulls the rear rack 2 forward by the first rack 2, then separates the first rack 2 from the rear rack 2, and takes the first rack 2 out of the access space 14 to replace the carrier 3 or the adsorbent. Similarly, all of the remaining holders 2 can be taken out from the access space 14 to replace the carrier 3 or the adsorbent.
After the replacement of the adsorption body 3 or the adsorbent is completed, one rack 2 is put into the access space 14 and pushed into the groove 11, and the next rack 2 is put into the access space 14 and connected with the previous rack 2 and then pushed into the groove 11 together. In the same way, all the holders 2 can be placed from the access space 14 and pushed into the recess 11.
The driving device drives the base 1 to slide back to the working position from the door opening on one side.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.

Claims (10)

1. The utility model provides a set up the acidic flue gas deacidification device of high temperature in msw incineration furnace which characterized in that: comprises that
The base is slidably arranged on the upper part of the three channels in the incinerator and can slide out of the incinerator from the upper part of the three channels or slide into the upper part of the three channels from the outside of the incinerator, a first through hole is formed in the middle of the base and corresponds to the flowing direction of the high-temperature acidic flue gas;
a plurality of carriers that attach, detachably installs on the base in proper order, every attaches the equal rigid coupling on carrier surface and has had the adsorbent, and two adjacent attach and leave the gap that high temperature acid flue gas passes through between the carrier.
2. The high-temperature acidic flue gas deacidification device arranged in the garbage incinerator according to claim 1, characterized in that: every attaches the carrier and all corresponds and is provided with the support, and the support middle part is equipped with the second through-hole, and the second through-hole is parallel with first through-hole, attaches carrier detachably and connects in the support, and a plurality of supports are in proper order can dismantle the connection, and every support all with base sliding connection.
3. The high-temperature acidic flue gas deacidification device arranged in the garbage incinerator according to claim 2, characterized in that: one end of each support is provided with a concave part, the other end of each support is provided with a convex part, and two adjacent supports are clamped and connected in a matched mode through the concave parts and the convex parts.
4. The high-temperature acidic flue gas deacidification device arranged in the garbage incinerator according to claim 2, characterized in that: the support is equipped with a plurality of draw-in grooves, attaches the carrier and is equipped with joint portion, through joint portion and draw-in groove cooperation, attaches the carrier joint in support.
5. The high-temperature acidic flue gas deacidification device arranged in the garbage incinerator according to the claim 4, characterized in that: the attaching carrier comprises a plurality of attaching carriers which are sequentially connected end to end, an included angle is formed between every two adjacent attaching carriers, the joint of every two adjacent attaching carriers forms a clamping portion, the opening of the clamping groove faces the second through hole, and the clamping portion and the opening of the clamping groove are correspondingly arranged.
6. The high-temperature acidic flue gas deacidification device arranged in the garbage incinerator according to claim 2, characterized in that: the base inside wall is equipped with the recess, and the extending direction of recess is parallel with the sliding direction of base, a plurality of support sliding connection in recess.
7. The deacidification device for the high-temperature acidic flue gas arranged in the garbage incinerator according to claim 6, characterized in that: the lower side wall of the groove is provided with a plurality of roller grooves, each roller groove is internally provided with a roller, the rotating shaft of each roller is vertical to the sliding direction of the base, and the base slides on the rollers.
8. The deacidification device for the high-temperature acidic flue gas arranged in the garbage incinerator according to claim 6, characterized in that: the base is including first connecting piece, second connecting piece, third connecting piece and the fourth connecting piece of end to end connection in proper order and formation closed loop, and the recess includes first recess and second recess, and second connecting piece inside wall is located to first recess, and fourth connecting piece inside wall is located to the second recess, and the extending direction of first recess and second recess is parallel with the sliding direction of base, and a plurality of support sliding connection are in first recess and second recess.
9. The deacidification device for the high-temperature acidic flue gas arranged in the garbage incinerator according to claim 8, characterized in that: when the base slides into the upper part of the three channels from the outside of the incinerator, the distance between the first connecting piece and the center of the three channels is larger than the distance between the third connecting piece and the center of the three channels; and an access space capable of bearing the support is reserved between the first connecting piece and the first groove and between the first connecting piece and the second groove.
10. The high-temperature acidic flue gas deacidification device arranged in the garbage incinerator according to claim 1, characterized in that: the incinerator also comprises a driving device which is fixedly connected with the incinerator and drives the base to act.
CN201910898858.7A 2019-09-23 2019-09-23 High-temperature acidic flue gas deacidification device arranged in garbage incinerator Active CN110624375B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08281065A (en) * 1995-04-10 1996-10-29 Mitsubishi Heavy Ind Ltd Fluidized bed type boiler
CN1422689A (en) * 2002-12-05 2003-06-11 同济大学 Method for purifying high-temp. smoke from garbage incinerator
CN101495211A (en) * 2006-07-27 2009-07-29 巴特勒能源同盟有限公司 Method and apparatus for oil shale pollutant sorption/nox reburning multi-pollutant control
CN202185253U (en) * 2011-07-18 2012-04-11 创冠环保(中国)有限公司 Exhaust gas purifying system for waste incineration
CN108034467A (en) * 2017-12-20 2018-05-15 华中科技大学 A kind of adsorbent equipment for biomass pyrolysis liquefaction Poly-generation
CN207838545U (en) * 2017-11-28 2018-09-11 长兴普艾尔环境科技有限公司 Multi-layer combined air purifier

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08281065A (en) * 1995-04-10 1996-10-29 Mitsubishi Heavy Ind Ltd Fluidized bed type boiler
CN1422689A (en) * 2002-12-05 2003-06-11 同济大学 Method for purifying high-temp. smoke from garbage incinerator
CN101495211A (en) * 2006-07-27 2009-07-29 巴特勒能源同盟有限公司 Method and apparatus for oil shale pollutant sorption/nox reburning multi-pollutant control
CN202185253U (en) * 2011-07-18 2012-04-11 创冠环保(中国)有限公司 Exhaust gas purifying system for waste incineration
CN207838545U (en) * 2017-11-28 2018-09-11 长兴普艾尔环境科技有限公司 Multi-layer combined air purifier
CN108034467A (en) * 2017-12-20 2018-05-15 华中科技大学 A kind of adsorbent equipment for biomass pyrolysis liquefaction Poly-generation

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