CN109595569A - A kind of device effectively removing acrylonitrile waste gas - Google Patents
A kind of device effectively removing acrylonitrile waste gas Download PDFInfo
- Publication number
- CN109595569A CN109595569A CN201910041899.4A CN201910041899A CN109595569A CN 109595569 A CN109595569 A CN 109595569A CN 201910041899 A CN201910041899 A CN 201910041899A CN 109595569 A CN109595569 A CN 109595569A
- Authority
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- China
- Prior art keywords
- tower
- pipe
- furnace body
- poppet
- branch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000002912 waste gas Substances 0.000 title claims abstract description 36
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 239000007789 gas Substances 0.000 claims abstract description 90
- 230000008676 import Effects 0.000 claims abstract description 22
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000005201 scrubbing Methods 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 155
- 238000001816 cooling Methods 0.000 claims description 72
- 239000000919 ceramic Substances 0.000 claims description 48
- 239000007788 liquid Substances 0.000 claims description 38
- 238000003860 storage Methods 0.000 claims description 23
- 238000009825 accumulation Methods 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 17
- 239000000945 filler Substances 0.000 claims description 12
- 230000003020 moisturizing effect Effects 0.000 claims description 10
- 239000011148 porous material Substances 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 229910001039 duplex stainless steel Inorganic materials 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 210000002445 nipple Anatomy 0.000 claims description 5
- 239000011810 insulating material Substances 0.000 claims description 4
- 238000004321 preservation Methods 0.000 claims description 4
- 238000010926 purge Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- 239000004575 stone Substances 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005338 heat storage Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000004224 protection Effects 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- MAYCNCJAIFGQIH-UHFFFAOYSA-N buta-1,3-diene 5-phenylpenta-2,4-dienenitrile Chemical compound C=CC=C.N#CC=CC=CC1=CC=CC=C1 MAYCNCJAIFGQIH-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229920006026 co-polymeric resin Polymers 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 229920000638 styrene acrylonitrile Polymers 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/061—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating
- F23G7/065—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel
- F23G7/066—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel preheating the waste gas by the heat of the combustion, e.g. recuperation type incinerator
- F23G7/068—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel preheating the waste gas by the heat of the combustion, e.g. recuperation type incinerator using regenerative heat recovery means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/50—Control or safety arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/04—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material using washing fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
- F28C1/003—Direct-contact trickle coolers, e.g. cooling towers comprising outlet ducts for exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
- F28C1/02—Direct-contact trickle coolers, e.g. cooling towers with counter-current only
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C3/00—Other direct-contact heat-exchange apparatus
- F28C3/06—Other direct-contact heat-exchange apparatus the heat-exchange media being a liquid and a gas or vapour
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
- F28F27/003—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus specially adapted for cooling towers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2205/00—Waste feed arrangements
- F23G2205/18—Waste feed arrangements using airlock systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2206/00—Waste heat recuperation
- F23G2206/10—Waste heat recuperation reintroducing the heat in the same process, e.g. for predrying
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Treating Waste Gases (AREA)
- Chimneys And Flues (AREA)
Abstract
The invention discloses a kind of device for effectively removing acrylonitrile waste gas, including sequentially connected import blower, import poppet, RTO device exports poppet, and chilling tower, scrubbing tower, dehumidify tower, and activated carbon adsorber exports blower and chimney；The air outlet of import blower is connected to the air inlet of import poppet bottom, the gas outlet of import poppet is connected to the waste gas inlet of RTO device lower furnace body, the exhaust gas outlet of RTO device lower furnace body is connected to the air inlet of outlet poppet bottom, the gas outlet of outlet poppet is connected to the air inlet pipe of chilling tower, and the exhaust pipe of chilling tower is connected with the air inlet pipe of scrubbing tower.The design of the ring-shaped valve seats and elastic seal ring of apparatus of the present invention poppet realizes the zero leakage of exhaust gas so that the device has the effect more sealed in use.The device provides the device that set of system administers acrylonitrile waste gas, which all meets from the discharge of acrylonitrile administered to the end, and practical performance is high.
Description
Technical field
The present invention relates to waste gas pollution control and treatment field, in particular to a kind of device for effectively removing acrylonitrile waste gas.
Background technique
Chemical industry produces in tail gas in styrene-acrylonitrile butadiene copolymer resin (ABS) production process containing big
The acrylonitrile of amount is required according to Jiangsu Province's provincial standard " chemical industry Volatile organic emissions standard " DB323151-2016,
Acrylonitrile concentration of emission is needed lower than 0.5mg/m3, in the prior art, Ningbo LG Yong Xing Chemical Co., Ltd., production ABS, SAN,
CP resin, the South Korea heat accumulating type three-tower type RTO that they use add knife valve arrangement, and acrylonitrile content is excessively high in exhaust gas at present does not reach
Mark.Changzhou chemical plant, and production halogen slurry ABS and ion A BS resin, two tower RTO structures of use, exhaust gas does not also reach at present
Mark.Since comparision contents are high in exhaust gas tail gas, need to acrylonitrile concentration of emission lower than 0.5mg/m3, to environmental protection equipment RTO
Removal efficiency be not less than 99.75% or more, this is a higher requirement to heat accumulating type RTO.Heat accumulating type RTO used at present
The removal efficiency 95% of two towers, the heat accumulating type RTO+ butterfly valve removal efficiency 96% of three towers, heat accumulating type RTO+ knife valve, the poppet of three towers
Removal efficiency 98%, poppet can be accomplished not leak, removal efficiency 99%.Also it is difficult to ensure that 99.75% or more removal efficiency.
Further say, the acrylonitrile processing unit of the prior art, not the device of set of system by acrylonitrile gas from
Oxidation is burned to the cooling of exhaust gas, washing, dehumidifying, absorption and discharge to the end, not smart enough and conveniently.
Summary of the invention
The present invention overcomes the deficiencies in the presence of the above-mentioned prior art, provide a kind of acrylonitrile waste gas processing unit,
Wherein more seal protections of poppet thoroughly solve the problems, such as thermal oxidation furnace exhaust gas leakage, and the device using hard sealing with it is soft
Sealing combines, and when soft seal is failed due to working long hours, hard sealing is worked, and more sealings of using both hard and soft tactics, effect is more preferable, real
Existing zero leakage；Furthermore the RTO device in the invention is designed by the separate structure of upper and lower furnace body, so that its manufacturing cost reduces,
Maintenance early period and later period maintenance also become simply, and poppet is vertically-mounted, avoids output shaft by card；The bottom of the RTO device
It is directly contacted with ground, whole device relies on ground supports, allows to place more heat storage in the device；Furthermore
Chilling tower apparatus not only solved in 1~2 second, and the exhaust gas that temperature is 850~1000 DEG C is quickly cooled to 120~180 DEG C
The problem of, while also having the characteristics that corrosion resistant, can effectively it prolong the service life.
The technical scheme of the present invention is realized as follows:
A kind of device effectively removing acrylonitrile waste gas, including sequentially connected import blower, import poppet, RTO device, out
Mouth poppet, chilling tower, scrubbing tower, the dehumidifying tower being connected to scrubbing tower escape pipe, the active carbon being connected to dehumidifying tower escape pipe
Adsorption tower, the outlet blower being connected to activated carbon adsorber gas outlet and the chimney being connected to outlet blower exhaust outlet；It is described into
Mouth, outlet poppet include bracket, set on the rectilinear path cylinder of cradle top, the cylindrical shape hollow set on bracket lower interior portion
Supporting element is fixed between the bracket and rectilinear path cylinder by cylinder mounting plate, the connection of rectilinear path cylinder lower part
Have across cylinder mounting plate center and the output shaft of frame bottom is extended in lower end；The supporting element is the upper supporting piece by tubular
It is formed with the lower support element mounted on top of tubular, the support plate of annular is accompanied between upper supporting piece and lower support element；Upper supporting piece,
Lower support element and support plate are fixed by flange, and height pillar identical with lower support element is equipped at lower support element center；It is defeated
Shaft lower end is connected with control-rod, and the lower end of control-rod is connected with circular valve plate；It is equipped with ring-shaped valve seats, annular on the supporting plate
Valve seat has the inner sidewall and lateral wall perpendicular to support plate, and lateral wall is higher than inner sidewall, is equipped with annular between the inside and outside sidewalls
Elastic seal ring, the upper end of elastic seal ring is higher by lateral wall, elastic seal ring is squeezed when valve plate pushes and at the same time and ring
The lateral wall upper-end contact of shape valve seat；The RTO device includes upper furnace body and lower furnace body, and upper furnace body includes upper furnace body shell, if
Rinforcement bar outside upper furnace body shell is equipped with the thermal storage ceramic with a thickness of 5cm to 15cm in upper furnace body lower part, under thermal storage ceramic
The honeycomb heat accumulation body that face is equipped with a thickness of 30cm to 60cm, upper furnace body inner walls post heat preservation module；Lower furnace body includes being set to
Three poppets on lower furnace body top go out in the waste gas inlet of lower furnace body left end setting in the exhaust gas of lower furnace body right end setting
Port, set in lower furnace body lower part there are three purging air door；The chilling tower include chilling tower ontology, be set to chilling tower sheet it is external
Water tank, in chilling tower ontology the cooling bay of bottom and be set to the intrinsic nozzle cooling device of chilling tower；The urgency
Cold tower body outer wall posts heat insulating material for external, and chilling tower ontology is made of duplex stainless steel 2205 material；It is equipped in cooling bay cold
Water, water tank connect cooling bay by water supply pipe, and tank top is equipped with external water pipe；The chilling tower bodies top is equipped with exhaust
Pipe, the chilling tower ontology middle and lower part are equipped with air inlet pipe, and air inlet pipe rear end is fixed on this body sidewall of chilling tower, air inlet pipe front end
It is placed in below the water surface of chilling tower tower body lower part cooling bay；The nozzle cooling device include circulating pump, flow pipe and it is multiple on
The branch pipe above the water cooling pond water surface is arranged in lower spaced horizontal, and circulating pump is connected by flow pipe with cooling bay, while branch pipe
It is connected again with flow pipe, the nozzle sprayed downward is all evenly distributed on every branch pipe；The air outlet of the import blower with
The exhaust gas of the connection of air inlet that import poppet bottom is equipped with, the gas outlet of the import poppet and RTO device lower furnace body into
Port connection, the exhaust gas outlet of the RTO device lower furnace body are connected to the air inlet that outlet poppet bottom is equipped with, it is described out
The gas outlet of mouth poppet is connected to the air inlet pipe of chilling tower ontology, the air inlet pipe phase of the exhaust pipe and scrubbing tower of chilling tower ontology
Connection.
Specifically, rectilinear path cylinder connects PLC controller, when exhaust gas enters poppet, rectilinear path cylinder is controlled in PLC
Under the control of device processed, output shaft and valve plate act upwards, so that exhaust gas enters poppet, Zhi Houzai from the gap in supporting element
Into in waste gas treatment equipment RTO.When PLC controller is to rectilinear path cylinder shutdown signal, the control of rectilinear path cylinder is defeated
Shaft and valve plate downward actuation when valve plate is fallen, squeeze elastic seal ring, i.e. poppet first time sealing function, then first
Valve plate continues to be pressed downwardly against on the lateral wall of ring-shaped valve seats, i.e., second of sealing function of poppet, valve plate continue to be pressed down against,
Elastic seal ring a part is compressed on the inner sidewall of ring-shaped valve seats, realizes poppet third time sealing function；It protects three times
To guarantee that exhaust gas not can enter in poppet, zero leakage is realized.It can wherein be dismantled between upper supporting piece and lower support element,
It is dismantled according to demand in practical application, the height of upper supporting piece and lower support element can also be replaced according to demand, practicability is preferable.
Exhaust gas is entered in the burner hearth by the air inlet of lower furnace body, and low temperature waste gas and honeycomb heat accumulation body, thermal storage ceramic carry out heat exchange, bee
Nest heat storage transfers heat to low temperature waste gas, and exhaust gas carries out oxygenolysis after absorbing heat, reaches firing point temperature and starts
Burning, after furnace chamber inner combustion 1 to 2 second, exhaust gas temperature reaches 850 DEG C or so, and exhaust gas is using honeycomb regenerator in another tower
Body, thermal storage ceramic, 850 DEG C of exhaust gas transfer heat to the honeycomb heat accumulation body of low temperature, thermal storage ceramic again, thus honeycomb regenerator
Body, thermal storage ceramic heating.Honeycomb heat accumulation body, the thermal storage ceramic being heated, as the air inlet recycled next time, to heat entrance
Low temperature waste gas, switching in general 3 minutes is primary.Further more, rectilinear path cylinder connects PLC controller, when exhaust gas enters poppet,
Under the control of PLC controller, output shaft and valve plate act rectilinear path cylinder upwards, so that exhaust gas is from the gap in supporting element
Poppet is entered, is entered back into waste gas treatment equipment RTO later.When PLC controller is to rectilinear path cylinder shutdown signal,
Rectilinear path cylinder controls output shaft and valve plate downward actuation, when valve plate is fallen, extruding elastic seal ring first, i.e. poppet the
Once sealing effect, then valve plate continues to be pressed downwardly against on the lateral wall of ring-shaped valve seats, i.e. second of sealing function of poppet,
Valve plate continues to be pressed down against, and elastic seal ring a part is compressed on the inner sidewall of ring-shaped valve seats, realizes poppet third time
Sealing function；Protection realizes zero leakage to guarantee that exhaust gas not can enter in poppet three times.Wherein upper supporting piece and lower support
It can dismantle between part, dismantle according to demand in practical applications, upper supporting piece and lower support element can also be replaced according to demand
Height, practicability is preferable.Sludge dries exhaust gas after high temperature incineration aoxidizes, the air inlet being equipped with by chilling tower ontology middle and lower part
Pipe enters in chilling tower ontology, carries out first time heat exchange, exhaust gas quilt with the cold water in bottom coohng pond in chilling tower ontology
Cold water in cooling bay is cooling for the first time, what the exhaust gas and cooling bay inner part that not soluble in water and small part is not cooled were vaporized
Water is together to the ionized motion of chilling tower ontology.In addition, the water in chilling tower tower body bottom coohng pond is passed through flow pipe by circulating pump
The cold water in the branch pipe above the water cooling pond water surface, in branch pipe is introduced into be cooled down twice exhaust gas.
Preferably, the shape of the honeycomb regenerator body section is octagon, it is equipped on the surface of honeycomb heat accumulation body more
A protrusion being stamped to form, and the protrusion on honeycomb heat accumulation body surface is staggered；The thermal storage ceramic includes shape of a saddle ceramic bottom
And several are evenly distributed on the ceramic branch in shape of a saddle ceramic bottom, ceramic branch includes the root for connecting shape of a saddle ceramic bottom
And the free end far from shape of a saddle ceramic bottom, by root to free extreme direction, ceramic branch is divided into 3 sections, respectively and saddle
First branch piece of shape ceramic bottom connection and the second branch piece of the first branch piece connection in a certain angle and the second branch piece are in a clamp
The third branch piece of angle connection.
Preferably, the angle of second branch piece and the first branch piece is 120-150 degree, third branch piece and the second branch piece
Angle is 130-150 degree.Such shape design can be formed about convolution in fin, extend the residence time of air, improve
The frequency of exposure of air and fin, so that heat be enable sufficiently to exchange.
Preferably, being equipped with the through-hole passed through for output shaft on the bottom plate of bracket, vertical cut is fixed on output shaft
Face is the seal nipple of T shape, and concave filler seat is fixed on plate outer side bottom surface, is filled with graphite powder in the filler seat,
Seal nipple is inserted into filler seat.Specifically, the graphite powder being filled in filler seat makes the through-hole on output shaft and bracket bottom plate
Between there is no gap, thus guarantee do not have gas leakage.
Preferably, having diameter on the valve plate to be less than valve plate and shape is circular clamping plate, clamping plate, valve plate pass through
Flange is fixed on the lower end of control-rod.The setting of clamping plate guarantees that valve plate will not deform during extruding, increases equipment
Service life.
Preferably, reinforcing rib is equipped on the outside of ring-shaped valve seats between support plate.Reinforcing rib is for protecting ring-shaped valve seats to make
Ring-shaped valve seats is obtained not to be displaced when being squeezed.
Preferably, being from bottom to top equipped with 3 branch pipes above the water cooling pond water surface altogether, uniformly set on the branch pipe of lower section
There are 10 first jets, 13 second nozzles are uniformly provided on the branch pipe at middle part, 16 thirds are uniformly provided on the branch pipe of top
Nozzle, for 3 branch pipes each parallel to horizontal plane, the pore size of the mesh on first jet is 0.05mm to 0.1mm, second nozzle
On the pore size of mesh be 0.1mm to 1mm and the pore size of the mesh on third nozzle is 1mm to 1.5mm.Specifically
, what the water and 3 branch pipe nozzles that the exhaust gas and cooling bay inner part that not soluble in water and small part is not cooled are vaporized sprayed
Atomized water contact, carries out multiple heat exchange, exhaust gas is repeatedly cooled down by nozzle cooling device；Furtherly, exhaust gas is moving upwards
During, the atomized water sprayed first with third nozzle contacts, and third nozzle bore is large aperture, can be to most of exhaust gas
Cooling effect is played, subsequent uncooled exhaust gas is contacted with second nozzle, and second nozzle aperture is middle aperture, can be to minority
Exhaust gas is cooled down, and the last remaining uncooled exhaust gas of sub-fraction is contacted with first jet, and first jet aperture is aperture
Diameter can be fully cooled remaining exhaust gas；Exhaust gas after cooling is got off by rapid condensation, with atomized water it is low in
Bottom in tower.In cold water and nozzle cooling device in cooling bay the moisture of part in the form of water vapour, after being brought by exhaust gas
The scrubbing tower at end.
Preferably, it is circular pipe that the air inlet pipe, which is a cross section, the global shape of air inlet pipe is arc.Arc phase
For rectangular-shaped pipe, the direction of exhaust gas can be changed, make it vertically into the water surface, cooling is more abundant.
Preferably, being respectively equipped with high level switch in tower, low liquid level in tower up and down in the cooling bay of chilling tower ontology
Switch, water supply pipe are equipped with water supply solenoid valve in tower, high level switch in tower, in tower low liquid level switch with moisturizing electromagnetism in tower
Valve connection.Specifically, being mended in tower when low liquid level switch detects low liquid level of the liquid level of cooling pool inner water lower than setting in tower
Water solenoid valve is opened, and the water in water tank carries out moisturizing to the intrinsic cooling bay of chilling tower by water supply pipe；When high liquid level in tower
When switch detects that the water in cooling bay is added to the high liquid level of setting, water supply solenoid valve is closed in tower, and cooling bay moisturizing is given in stopping.
Preferably, being respectively equipped with high level switch in water tank, low liquid in water tank above and below the external water tank of chilling tower sheet
Bit switch, the external water pipe of tank top are equipped with water tank water supply solenoid valve, and high level switch in water tank, low liquid level is opened in water tank
The connection of Guan Junyu water tank water supply solenoid valve.It is set specifically, working as low liquid level switch in water tank and detecting that the liquid level of water in water tank is lower than
When fixed low liquid level, water tank water supply solenoid valve is opened, and water tank carries out moisturizing by the external water pipe at top.When high liquid level in water tank
When switch detects that the water in water tank is added to the high liquid level of setting, water tank water supply solenoid valve is closed, and water tank moisturizing terminates.
It is using design starting point of the invention, theory and the beneficial effect of above-mentioned technical proposal:
The design of the ring-shaped valve seats and elastic seal ring of apparatus of the present invention poppet, so that the device has the effect more sealed,
The zero leakage of exhaust gas is realized in use process.Furthermore it can be dismantled between the device upper supporting piece and lower support element, it can also root
According to the height of demand replacement upper supporting piece and lower support element, practicability is preferable；In addition, RTO device passes through the fission of upper and lower furnace body
Structure design, so that the manufacturing cost of the device reduces, maintenance early period and later period maintenance also become simply, and the promotion of the device
Valve is vertically-mounted, avoids output shaft by card, so that the device at work stablize by performance；Furthermore the bottom of the device and ground
Face directly contacts, and whole device relies on ground supports, allows to place more heat storage in the device, heat storage efficiency can
Up to 96% or more.The operating temperature of chilling tower apparatus can achieve 850 to 1000 DEG C, and it is higher by 850~1000 to be suitable for initial temperature
DEG C exhaust gas, chilling tower ontology 1 is made of duplex stainless steel 2205 material, and duplex stainless steel 2205 material is very corrosion-resistant, institute
With for being also suitable with corrosive exhaust gas, due to being closer between the air inlet pipe and cooling bay of chilling tower apparatus, so that
Exhaust gas is after entering the chilling tower apparatus, and energy Rapid contact to cooling bay inner cold water is able to cooling for the first time, in addition the chilling tower
The nozzle cooling device that device is equipped with can repeatedly cool down exhaust gas, and high and low liquid-level switch is equipped on cooling bay and water tank,
Water potential in cooling bay and water tank automatically controls, and does not need the monitoring of personnel's continuity, and efficiency is higher.
The present invention provides the device that set of system administers acrylonitrile waste gas, which administers to the end from acrylonitrile
Discharge all meets, and practical performance is high.
Detailed description of the invention
Fig. 1 is invention each section connection schematic diagram；
Fig. 2 is invention poppet schematic diagram；
Fig. 3 is the portion Fig. 2 a schematic diagram；
Fig. 4 is invention RTO device front schematic view；
Fig. 5 is invention RTO device diagrammatic cross-section；
Fig. 6 is invention RTO device top view；
Fig. 7 is invention honeycomb heat accumulation body surface bulge schematic diagram；
Fig. 8 is the schematic diagram of thermal storage ceramic in invention；
Fig. 9 is invention chilling tower schematic diagram.
Each appended drawing reference are as follows: 1, bracket；101, bottom plate；102, limit switch；103, floating junction；2, rectilinear path gas
Cylinder；3, mounting plate；4, supporting element；401, upper supporting piece；402, lower support element；403, support plate；404, valve seat；405, inside
Wall；406, lateral wall；407, sealing ring；408, reinforcing rib；5, output shaft；501, control-rod；502, valve plate；503, connector；
504, filler seat；505, clamping plate；6, pillar；7, backing plate；8, upper furnace body shell；801, rinforcement bar；802, thermal storage ceramic；803, bee
Nest heat storage；804, heat preservation module；8021, root；8022, the first branch piece；8023, the second branch piece；8024, third branch piece；
8025, shape of a saddle ceramic bottom；8026, ceramic branch；8031, raised；9, poppet；9a, import poppet；9b, outlet are promoted
Valve；10, air inlet；11, gas outlet；1c, chilling tower ontology；101c, exhaust pipe；102c, air inlet pipe；2c, heat insulating material for external；
3c, water cooling pond；High level switch in 301c, tower；Low liquid level switchs in 302c, tower；4c, nozzle cooling device；401c, circulation
Pump；402c, flow pipe；5c, branch pipe；501c, first jet；502c, second nozzle；503c, third nozzle；6c, water tank；
601c, water supply pipe；Water supply solenoid valve in 602c, tower；High level switch in 603c, water tank；Low liquid level switchs in 604c, water tank；
605c, external water pipe；606c, water tank water supply solenoid valve.
Specific embodiment
A specific embodiment of the invention is as follows:
As shown in Figure 1, a kind of device for effectively removing acrylonitrile waste gas, including sequentially connected import blower, import poppet
9a, RTO device export poppet 9b, chilling tower, scrubbing tower, the dehumidifying tower being connected to scrubbing tower escape pipe, with dehumidifying tower outlet
Pipe connection activated carbon adsorber, outlet blower be connected to activated carbon adsorber gas outlet and with export blower exhaust outlet be connected to
Chimney；As shown in Fig. 2, described inlet and outlet poppet 9a, 9b include bracket 1, the rectilinear path cylinder 2 set on 1 top of bracket,
The cylindrical support part 4 hollow set on 1 lower interior portion of bracket is installed between the bracket 1 and rectilinear path cylinder 2 by cylinder
Plate 3 is fixed, and 2 lower part of rectilinear path cylinder is connected with across 3 center of cylinder mounting plate and 1 bottom of bracket is extended in lower end
Output shaft 5；The supporting element 4 is made of the upper supporting piece 401 of tubular and 402 mounted on top of lower support element of tubular, upper branch
The support plate 403 of annular is accompanied between support member 401 and lower support element 402；Upper supporting piece 401, lower support element 402 and support plate
403 are fixed by flange, and height pillar 6 identical with lower support element 402 is equipped at 402 center of lower support element；Under output shaft 5
End is connected with control-rod 501, and the lower end of control-rod 501 is connected with circular valve plate 502；As shown in figure 3, in support plate 403
Equipped with ring-shaped valve seats 404, ring-shaped valve seats 404 has the inner sidewall 405 and lateral wall 406 perpendicular to support plate 403, lateral wall
406 be higher than inner sidewall 405, inside, between lateral wall 406 be equipped with annular elastic seal ring 407, elastic seal ring 407 it is upper
End is higher by lateral wall 406, squeezes elastic seal ring 407 when valve plate 502 pushes and at the same time lateral wall with ring-shaped valve seats 404
406 upper-end contacts, this described 407 height of elastic seal ring are 5cm；As shown in Figs. 4-6, the RTO device include upper furnace body with
Lower furnace body, upper furnace body include upper furnace body shell 8, the rinforcement bar 801 outside upper furnace body shell 8, and it is uniform to be set to upper furnace body lower part
It is distributed, with a thickness of the thermal storage ceramic 802 of 5cm to 15cm, the honeycomb with a thickness of 30cm to 60cm is arranged below in thermal storage ceramic 802
Heat storage 803,8 inner wall of upper furnace body shell post heat preservation module 804；Lower furnace body includes three poppets set on lower furnace body top
9, in the waste gas inlet 10 of lower furnace body left end setting, in the exhaust gas outlet 11 of lower furnace body right end setting, in lower furnace body lower part
Purging air door 12 there are three if；As shown in figure 9, the chilling tower includes chilling tower ontology 1c, is set to outside chilling tower ontology 1c
Water tank 6c, the cooling bay 3c set on bottom in chilling tower ontology 1c and the nozzle cooling device in chilling tower ontology 1c
4c；The chilling tower ontology 1c outer wall posts heat insulating material for external 2c, and chilling tower ontology 1c is made of duplex stainless steel 2205 material；
Cold water is equipped in cooling bay 3c, water tank 6c is equipped with external water pipe by water supply pipe 601c connection cooling bay 3c, the top water tank 6c
605c；Exhaust pipe 101c is equipped at the top of the chilling tower ontology 1c, the chilling tower middle and lower part ontology 1c is equipped with air inlet pipe 102c,
The rear end air inlet pipe 102c is fixed on chilling tower ontology 1c side wall, and the front end air inlet pipe 102c is placed in the cold of the lower part chilling tower tower body 1c
But below the water surface of pond 3c；The nozzle cooling device 4c includes circulating pump 401c, flow pipe 402c and multiple water proofs between the upper and lower
The flat branch pipe 5c being arranged in above the water cooling pond 3c water surface, circulating pump 401c are connected by flow pipe 402c with cooling bay 3c, together
Shi Zhiguan 5c is connected with flow pipe 402c again, is all evenly distributed with the nozzle sprayed downward on every branch pipe 5c；The import
The air outlet of blower is connected to the air inlet that the bottom import poppet 9a is equipped with, the gas outlet of the import poppet 9a and RTO
The waste gas inlet 10 of device lower furnace body is connected to, the exhaust gas outlet 11 of the RTO device lower furnace body and the outlet bottom poppet 9b
The gas outlet of the air inlet connection that portion is equipped with, the outlet poppet 9b is connected to the air inlet pipe 102c of chilling tower ontology 1c, anxious
The exhaust pipe 101c of cold tower ontology 1c is connected with the air inlet pipe of scrubbing tower.
Specifically, rectilinear path cylinder 2 connects PLC controller (not shown), when exhaust gas enters poppet, rectilinear path gas
Cylinder 2 is under the control of PLC controller (not shown), and output shaft 5 and valve plate 502 act upwards, so that exhaust gas is out of supporting element 4
Gap enters poppet, and it is not shown to enter back into waste gas treatment equipment RTO(later) in.When PLC controller is (not shown) to straight
When lineal travel 2 shutdown signal of cylinder, rectilinear path cylinder 2 controls output shaft 5 and 502 downward actuation of valve plate, valve plate 502 are fallen
When, elastic seal ring 407, i.e. poppet first time sealing function are squeezed first, and then valve plate 502 continues to be pressed downwardly against annular
On the lateral wall 406 of valve seat 404, i.e., second of sealing function of poppet, valve plate 502 continue to be pressed down against, elastic seal ring 407
A part is compressed on the inner sidewall 405 of ring-shaped valve seats 404, realizes poppet third time sealing function；Three times protection to
Guarantee that exhaust gas not can enter in poppet, realizes zero leakage.It can wherein be dismantled between upper supporting piece 401 and lower support element 402,
It is easy to disassemble in practical applications, the height of upper supporting piece 401 Yu lower support element 402, practicability can also be replaced according to demand
Preferably.
Furtherly, the through-hole passed through for output shaft 5, the fixing sleeve on output shaft 5 are equipped on the bottom plate 101 of bracket 1
Having longitudinal section is the seal nipple 503 of T shape, and concave filler seat 504, the filler are fixed in 101 outside bottom surface of bottom plate
Graphite powder is filled in seat 504, seal nipple 503 is inserted into filler seat 504.Specifically, the graphite powder being filled in filler seat 504 makes
Obtaining between the through-hole on 1 bottom plate 101 of output shaft 5 and bracket does not have gap, to guarantee not having gas leakage.
Diameter is had on the valve plate 502 less than valve plate 502 and shape is circular clamping plate 505, clamping plate 505, valve plate
502 are fixed on the lower end of control-rod 501 by flange.The setting of clamping plate 505 guarantees that valve plate 502 will not be sent out during extruding
Change shape, increases the service life of equipment.
Reinforcing rib 408 is equipped between 404 outside of ring-shaped valve seats and support plate 403.Reinforcing rib 408 is for protecting annular
Valve seat 404 is displaced ring-shaped valve seats 404 not when being squeezed.In addition, being filled with three inside the ring-shaped valve seats 404
Layer backing plate 7, backing plate 7 can increase or dismantle according to actual conditions when using, flexibly control height, be easy to use
As shown in Figure 7,8, the shape in 803 section of honeycomb heat accumulation body is octagon, is all provided on the surface of honeycomb heat accumulation body 803
There are multiple protrusions 8031 being stamped to form, and the protrusion 8031 on 803 surface of honeycomb heat accumulation body is staggered；The thermal storage ceramic
802 include shape of a saddle ceramic bottom 8025 and several are evenly distributed on the ceramic branch 8026 in shape of a saddle ceramic bottom 8025, is made pottery
The free end of root 8021 and separate shape of a saddle ceramic bottom 8025 of the porcelain branch 8026 including connection shape of a saddle ceramic bottom 8025,
By root 8021 to free extreme direction, it is 3 sections that ceramic branch 8026, which divides, first respectively connect with shape of a saddle ceramic bottom 8025
Branch piece 8022, with the second branch piece 8023 of the connection in a certain angle of the first branch piece 8022, in a certain angle with the second branch piece 8022
The third branch piece 8024 of connection.
Specifically, exhaust gas is entered in the burner hearth by the air inlet 10 of RTO device lower furnace body, low temperature waste gas and honeycomb regenerator
Body 803, thermal storage ceramic 802 carry out heat exchange, and honeycomb heat accumulation body 803 transfers heat to low temperature waste gas, and exhaust gas is absorbing heat
After carry out oxygenolysis, reach firing point temperature and start to burn, after furnace chamber inner combustion 1 to 2 second, exhaust gas temperature reaches 850 DEG C
Left and right, exhaust gas transfers heat to low again using 802,850 DEG C of honeycomb heat accumulation body 803, thermal storage ceramic exhaust gas in another tower
Honeycomb heat accumulation body 803, the thermal storage ceramic 802 of temperature, so that honeycomb heat accumulation body 803, thermal storage ceramic 802 are heated.The bee being heated
Nest heat storage 803, thermal storage ceramic 802, as the air inlet recycled next time, to heat the low temperature waste gas of entrance, general 3 minutes
Switching is primary
The angle of second branch piece 8023 and the first branch piece 8022 is 120-150 degree, third branch piece 8024 and the second branch piece
8022 angle is 130-150 degree.Such shape design can be formed about convolution in thermal storage ceramic 802, extend exhaust gas
Residence time improves the frequency of exposure of exhaust gas and thermal storage ceramic 802, so that heat be enable sufficiently to exchange.
As shown in figure 9, being from bottom to top equipped with 3 branch pipe 5c, lower section altogether above the water cooling pond 3c water surface of the chilling tower
Branch pipe on be uniformly provided with 10 first jet 501c, 13 second nozzle 502c are uniformly provided on the branch pipe at middle part, top
Be uniformly provided with 16 third nozzle 503c on branch pipe, 3 branch pipes 5 each parallel to horizontal plane, mesh on first jet 501c
Pore size is 0.05mm to 0.1mm, the pore size of mesh on second nozzle 502c is 0.1mm to 1mm and third nozzle
The pore size of mesh on 503c is 1mm to 1.5mm.
Specifically, water that exhaust gas and cooling bay 3c inner part that not soluble in water and small part is not cooled are vaporized and 3
The atomized water contact that branch pipe 5c nozzle sprays, carries out multiple heat exchange, exhaust gas is by more coolings of nozzle cooling device 4c；Further
It says, during moving upwards, the atomized water sprayed first with third nozzle contacts exhaust gas, and third nozzle bore is macropore
Diameter can play cooling effect to most of exhaust gas, and subsequent uncooled exhaust gas is contacted with second nozzle, second nozzle aperture
For middle aperture, a small number of exhaust gas can be cooled down, the last remaining uncooled exhaust gas of sub-fraction is contacted with first jet,
First jet aperture is small-bore, can be fully cooled to remaining exhaust gas；Exhaust gas is got off by rapid condensation after cooling, with
Atomized water is low in bottom in tower together.The moisture of part is in cold water and nozzle cooling device 4c in cooling bay 3c with water vapour
Form, brought into the scrubbing tower (not shown) of rear end by exhaust gas.
This described air inlet pipe 102c is that a cross section is circular pipe, and the global shape of air inlet pipe 102c is arc.Arc
For rectangular-shaped pipe, the direction of exhaust gas can be changed, make it vertically into the water surface, cooling is more abundant.
High level switch 301c in tower is respectively equipped with up and down in the cooling bay 3c of chilling tower ontology 1c, low liquid level is opened in tower
302c is closed, water supply pipe 601c is equipped with water supply solenoid valve 602c in tower, high level switch 301c in tower, low liquid level switch in tower
302c is connect with water supply solenoid valve 602c in tower.
Specifically, high level switch 301c in tower, low liquid level switch 302c is all made of floating-ball level switch in tower；When in tower
When low liquid level switch 302c detects the liquid level of water in cooling bay 3c lower than the low liquid level set, water supply solenoid valve 602c is beaten in tower
It opens, the water in water tank 6c carries out moisturizing to the cooling bay 3c in chilling tower ontology 1c by water supply pipe 601c；When high liquid level in tower
When switch 301c detects that the water in cooling bay 3c is added to the high liquid level of setting, in tower water supply solenoid valve 602c close, stop to
Cooling bay 3c moisturizing.
High level switch 603c in water tank is respectively equipped in the water tank 6c or more outside chilling tower ontology 1c, low liquid level in water tank
External water pipe 605c at the top of switch 604c, water tank 6c is equipped with water tank water supply solenoid valve 606c, high level switch in water tank
Low liquid level switch 604c is connect with water tank water supply solenoid valve 602c in 603c, water tank.
Specifically, high level switch 603c in water tank, low liquid level switch 604c is all made of floating-ball level switch in water tank；When
When low liquid level switch 604c detects the liquid level of water in water tank 6c lower than the low liquid level set in water tank, water tank water supply solenoid valve
602c is opened, and water tank 6c carries out moisturizing by the external water pipe 605c at top.When high level switch 603c detects water in water tank
When water in case 6c is added to the high liquid level of setting, water tank water supply solenoid valve 602c is closed, and water tank 6c moisturizing terminates.
The design of the ring-shaped valve seats 404 and elastic seal ring 407 of apparatus of the present invention poppet, so that the device has more sealings
Effect, in use realize exhaust gas zero leakage.And it can be between the device upper supporting piece 401 and lower support element 402
Disassembly, can also replace the height of upper supporting piece 401 Yu lower support element 402, practicability is preferable according to demand；In addition, RTO device
It is designed by the separate structure of upper and lower furnace body, so that the manufacturing cost of the device reduces, maintenance early period and later period maintenance also become
Simply, and the poppet 9 of the device is vertically-mounted, avoids output shaft 5 by card, so that performance is steady at work for the device
It is fixed；Furthermore the bottom with ground of the device directly contact, and whole device relies on ground supports, allow to place in the device
More heat storage, heat storage efficiency is up to 96% or more.And distance between the air inlet pipe 102c and cooling bay 3c of chilling tower apparatus
It is relatively close, so that exhaust gas, after entering chilling tower apparatus, energy Rapid contact to cooling bay 3c inner cold water is able to cooling for the first time, in addition
The nozzle cooling device 4c that chilling tower apparatus is equipped with can repeatedly cool down exhaust gas；Exhaust gas carries out repeatedly in chilling tower apparatus
The available rapid drawdown of temperature after cooling, chilling tower apparatus are equipped with high and low liquid-level switch, cooling bay on cooling bay 3c and water tank 6c
Water potential in 3c and water tank 6c automatically controls, and does not need the monitoring of personnel's continuity, and efficiency is higher.
The device provides the device that set of system administers acrylonitrile waste gas, which administers to the end from acrylonitrile
Discharge all meets, and practical performance is high.
Claims (10)
1. a kind of device for effectively removing acrylonitrile waste gas, it is characterised in that: including sequentially connected import blower, import is promoted
Valve (9a, 9b), RTO device export poppet (9b), chilling tower, scrubbing tower, the dehumidifying tower being connected to scrubbing tower escape pipe, with
Dehumidify tower escape pipe connection activated carbon adsorber, outlet blower be connected to activated carbon adsorber gas outlet and with export blower
The chimney of exhaust outlet connection；The inlet and outlet poppet (9a, 9b) includes bracket (1), the rectilinear path being set at the top of bracket (1)
Cylinder (2), is set to the hollow cylindrical support part (4) of bracket (1) lower interior portion, the bracket (1) and rectilinear path cylinder (2)
Between it is fixed by cylinder mounting plate (3), rectilinear path cylinder (2) lower part is connected with across cylinder mounting plate (3) center
And the output shaft (5) of bracket (1) bottom is extended in lower end；The supporting element (4) is the upper supporting piece (401) and tubular by tubular
Lower support element (402) mounted on top composition, annular support plate is accompanied between upper supporting piece (401) and lower support element (402)
(403)；Output shaft (5) lower end is connected with control-rod (501), and the lower end of control-rod (501) is connected with circular valve plate (502)；
Ring-shaped valve seats (404) are equipped on support plate (403), ring-shaped valve seats (404) has the inner sidewall perpendicular to support plate (403)
(405) and lateral wall (406), lateral wall (406) are higher than inner sidewall (405), inside, annular are equipped between lateral wall (406)
Elastic seal ring (407), the upper end of elastic seal ring (407) are higher by lateral wall (406), and elasticity is squeezed when valve plate (502) pushes
Sealing ring (407) is and at the same time lateral wall (406) upper-end contact with ring-shaped valve seats (404)；The RTO device includes upper furnace body
With lower furnace body, upper furnace body includes upper furnace body shell (8), the rinforcement bar (801) of upper furnace body shell (8) outside is set to, under upper furnace body
The thermal storage ceramic (802) that portion is equipped with a thickness of 5cm to 15cm, is arranged below in thermal storage ceramic (802) with a thickness of 30cm to 60cm
Honeycomb heat accumulation body (803), upper furnace body shell (8) inner wall posts heat preservation module (804)；Lower furnace body includes being set to lower furnace body top
Three import poppets (9), lower furnace body left end setting waste gas inlet (10), lower furnace body right end setting exhaust gas go out
Port (11), set in lower furnace body lower part there are three purging air door (12)；The chilling tower includes chilling tower ontology (1c), is set to
The outer water tank (6c) of chilling tower ontology (1c), the cooling bay (3c) for being set to the interior bottom chilling tower ontology (1c) and it is set to chilling tower
Nozzle cooling device (4c) in ontology (1c)；Chilling tower ontology (1c) outer wall posts heat insulating material for external (2c), chilling tower
Ontology (1c) is made of duplex stainless steel 2205 material；Cold water is equipped in cooling bay (3c), water tank (6c) passes through water supply pipe
(601c) connects cooling bay (3c), is equipped with external water pipe (605c) at the top of water tank (6c)；It is set at the top of the chilling tower ontology (1c)
Have exhaust pipe (101c), the chilling tower ontology middle and lower part (1c) is equipped with air inlet pipe (102c), and the rear end air inlet pipe (102c) is fixed
On chilling tower ontology (1c) side wall, the front end air inlet pipe (102c) is placed in the water of the cooling bay (3c) of the lower part chilling tower tower body (1c)
Below face；The nozzle cooling device (4c) includes that circulating pump (401c), flow pipe (402c) and multiple spaced horizontals up and down are set
The branch pipe (5c) above water cooling pond (3c) water surface is set, circulating pump (401c) is connected by flow pipe (402c) with cooling bay (3c)
It is logical, while branch pipe (5c) is connected with flow pipe (402c) again, is all evenly distributed with the spray sprayed downward on every branch pipe (5c)
Mouth；The air outlet of the import blower is connected to the air inlet that the bottom import poppet (9a) is equipped with, the import poppet
The gas outlet of (9a) is connected to the waste gas inlet (10) of RTO device lower furnace body, the exhaust gas outlet of the RTO device lower furnace body
(11) air inlet being equipped with outlet bottom poppet (9b) is connected to, the gas outlet of outlet poppet (9b) and chilling tower sheet
The air inlet pipe (102c) of body (1c) is connected to, and the exhaust pipe (101c) of chilling tower ontology (1c) is connected with the air inlet pipe of scrubbing tower.
2. a kind of device for effectively removing acrylonitrile waste gas according to claim 1, it is characterised in that: the honeycomb regenerator
The shape in body (803) section is octagon, is equipped with multiple protrusions being stamped to form on the surface of honeycomb heat accumulation body (803)
(8031), and the protrusion (8031) on honeycomb heat accumulation body (803) surface is staggered；The thermal storage ceramic (802) includes the shape of a saddle
Ceramic bottom (8025) and several be evenly distributed on the ceramic branch (8026) on shape of a saddle ceramic bottom (8025), ceramic branch
It (8026) include the root (8021) of connection shape of a saddle ceramic bottom (8025) and the freedom far from shape of a saddle ceramic bottom (8025)
End, by root (8021) to free extreme direction, ceramic branch (8026) is divided into 3 sections, respectively with shape of a saddle ceramic bottom (8025)
The first branch piece (8022) of connection, with second branch piece (8023) of the first branch piece (8022) connection in a certain angle, with second
The third branch piece (8024) of piece (8022) connection in a certain angle.
3. a kind of device for effectively removing acrylonitrile waste gas according to claim 1, it is characterised in that: second branch piece
It (8023) is 120-150 degree, the angle of third branch piece (8024) and the second branch piece (8022) with the angle of the first branch piece (8022)
For 130-150 degree.
4. a kind of device for effectively removing acrylonitrile waste gas according to claim 1, it is characterised in that: in bracket (1)
Bottom plate (101) is equipped with the through-hole passed through for output shaft (5), and the sealing that longitudinal section is T shape is fixed on output shaft (5) and is connect
Head (503) is fixed with concave filler seat (504) in bottom plate (101) outside bottom surface, is filled with stone in the filler seat (504)
Ink powder, seal nipple (503) are inserted into filler seat (504).
5. a kind of device for effectively removing acrylonitrile waste gas according to claim 1, it is characterised in that: the valve plate
(502) diameter is had on less than valve plate (502) and shape is circular clamping plate (505), and clamping plate (505), valve plate (502) pass through
Flange is fixed on the lower end of control-rod (501).
6. a kind of device for effectively removing acrylonitrile waste gas according to claim 1, it is characterised in that: the annular plate valve
Reinforcing rib (408) are equipped between support plate (403) on the outside of seat (404).
7. a kind of device for effectively removing acrylonitrile waste gas according to claim 1, it is characterised in that: the water cooling pond
3 branch pipes (5c) are from bottom to top equipped with above (3c) water surface altogether, are uniformly provided with 10 first jets on the branch pipe of lower section
(501c) is uniformly provided with 13 second nozzles (502c) on the branch pipe at middle part, and 16 thirds sprays are uniformly provided on the branch pipe of top
Mouth (503c), 3 branch pipes (5c) are each parallel to horizontal plane；The pore size of mesh on first jet (501c) be 0.05mm extremely
0.1mm, the pore size of the mesh on second nozzle (502c) are 0.1mm to 1mm, the hole of the mesh on third nozzle (503c)
Diameter size is 1mm to 1.5mm.
8. a kind of device for effectively removing acrylonitrile waste gas according to claim 1, it is characterised in that: air inlet pipe (102c)
It is circular pipe for a cross section, the global shape of air inlet pipe (102c) is arc.
9. a kind of device for effectively removing acrylonitrile waste gas according to claim 1, it is characterised in that: in chilling tower ontology
High level switch in tower (301c), low liquid level switch (302c) in tower, moisturizing are respectively equipped in the cooling bay (3c) of (1c) up and down
It manages (601c) and is equipped with water supply solenoid valve (602c) in tower, high level switch (301c) in tower, low liquid level switch (302c) in tower
It is connect with water supply solenoid valve in tower (602c).
10. a kind of device for effectively removing acrylonitrile waste gas according to claim 1, it is characterised in that: described in urgency
The water tank (6c) of cold tower ontology (1c) outside is respectively equipped with high level switch in water tank (603c), low liquid level switch in water tank up and down
(604c), the external water pipe (605c) at the top of water tank (6c) are equipped with water tank water supply solenoid valve (606c), and high liquid level is opened in water tank
Low liquid level switch (604c) is connect with water tank water supply solenoid valve (602c) in pass (603c), water tank.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111643931A (en) * | 2020-05-14 | 2020-09-11 | 张代辉 | Vacuum degassing tank capable of continuously supplementing water |
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