CN208382180U - A kind of crotonaldehyde incinerator for waste liquid - Google Patents
A kind of crotonaldehyde incinerator for waste liquid Download PDFInfo
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- CN208382180U CN208382180U CN201820882138.2U CN201820882138U CN208382180U CN 208382180 U CN208382180 U CN 208382180U CN 201820882138 U CN201820882138 U CN 201820882138U CN 208382180 U CN208382180 U CN 208382180U
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Abstract
The utility model discloses a kind of crotonaldehyde incinerator for waste liquid, including waste liquid tank, the waste liquid tank is connected to the input terminal of liquid waste incineration furnace body, the output end and the second combustion chamber of the liquid waste incineration furnace body, the output end of second combustion chamber is connected to the input terminal of level-one spray column, the output end of the level-one spray column is connected to the input terminal of second level spray column, the output end of the second level spray column is connected to the input terminal of deentrainment tower, and the output end of the deentrainment tower is connected to by air-introduced machine with chimney.It is abundant by twice combustion, crotonaldehyde waste liquid is set to reach free from extraneous odour, ordorless, smokeless effect, by spray process twice, ensure tail gas qualified discharge, agitating device is installed in waste liquid tank, it is therefore prevented that waste liquid layering, burn non-uniform problem, flame detector is installed in liquid waste incineration furnace body, it is ensured that if stopping working cutting solenoid valve at the first time in liquid waste incineration furnace body, quick-fried furnace phenomenon will not be generated.
Description
Technical field
The utility model relates to waste liquor treatment equipments, it particularly relates to a kind of crotonaldehyde incinerator for waste liquid.
Background technique
Carbide acetylene method produces PVA (polyvinyl alcohol), is traditional process flow and technology, uses calcium carbide in acetylene process
After acetylene method obtains acetylene, vinyl acetate mixture is obtained in the synthesis reactor and acetic acid reaction of synthesis procedure, by rectifying
Process is refining to obtain smart vinyl acetate, is sent to polymerization process progress polymerization reaction under initiator effect and obtains polyvinyl acetate first
Alcoholic solution, Vinyl Acetate In Methanol Solution are sent to alcoholysis procedures and carry out alcoholysis reaction in the presence of alkali, using crush, it is dry
To polyvinyl alcohol.In entire production process, a kind of impurity crotonaldehyde can be generated, this impurity is mainly that acetylene and water react
To acetaldehyde, acetaldehyde or acetaldehyde and acetylene generate crotonaldehyde, otherwise this impurity must seriously affect PVA production by being separated off
Quality.
Crotonaldehyde is difficult to remove with general method in systems, in PVA industry basically by add water carry agent into
Row azeotropic distillation removes, and obtains crotonaldehyde waste liquid, the butylene aldehyde of this crotonaldehyde waste liquid is up to more than 20 in 5% or so, COD
Ten thousand, COD concentration are high, toxicity is big, biodegradability is poor, seriously affects sewage quality, and crotonaldehyde belongs to inflammable, explosive, poisonous nuisance
Matter, there are severe compromise and occupational health hazards, crotonaldehyde waste liquid has intense stimulus to eye conjunctiva and upper respiratory tract mucosa
Effect, Long Term Contact cause rhinitis chronic, nervous system disorder, prolonged and repeated contact, can cause dry skin, degreasing and
The whereabouts of dermatitis, this crotonaldehyde waste liquid is substantially in line in the past, if because this water is discharged to sewage treatment plant and is difficult to handle, it is right
Sewage influences too big.
With the increasing of various countries' environmental protection dynamics, crotonaldehyde liquid waste processing is the inexorable trend of water pollution control, although using
It is widely used, the high-efficiency packing tower rectification process technology that technology maturation, added influence is small, removal efficiency is high, reliable for operation,
High crotonaldehyde waste liquid concentration unit is increased, but high purity butylene olefine aldehydr stability is poor, light-exposed or air is oxidizable, storage and transport
Difficulty, and crotonaldehyde waste water buying cost is high, channel is few, and crotonaldehyde refined part does not come into operation temporarily.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Utility model content
For above-mentioned technical problem in the related technology, the utility model proposes a kind of crotonaldehyde incinerator for waste liquid, energy
Enough solve above-mentioned technical problem.
To realize the above-mentioned technical purpose, the technical solution of the utility model is achieved in that
A kind of crotonaldehyde incinerator for waste liquid, including waste liquid tank, the input terminal of the waste liquid tank and liquid waste incineration furnace body
Connection, the output end and the second combustion chamber of the liquid waste incineration furnace body, the output end and level-one of second combustion chamber
The input terminal of spray column is connected to, and the output end of the level-one spray column is connected to the input terminal of second level spray column, the second level spray
The output end of leaching tower is connected to the input terminal of deentrainment tower, and the output end of the deentrainment tower is connected to by air-introduced machine with chimney.
Further, it is equipped with negative pressure system in the liquid waste incineration furnace body, the negative pressure system and air-introduced machine are and PLC
Control system connection.
Further, flame detector is installed, the flame detector and PLC are controlled in the liquid waste incineration furnace body
System connection.
Further, the input terminal of the liquid waste incineration furnace body is connected with Waste liquid atomization device, the Waste liquid atomization device
Input terminal is connected to the output end of waste liquid tank.
Further, agitating device is equipped in the waste liquid tank.
Further, the liquid waste incineration furnace body is connected with air blower.
The utility model has the beneficial effects that by twice combustion it is abundant, make crotonaldehyde waste liquid reach free from extraneous odour, it is ordorless,
Smokeless effect, by spray process twice, it is ensured that tail gas qualified discharge is equipped with agitating device in waste liquid tank, prevents
Waste liquid layering, burns non-uniform problem, is equipped with flame detector in liquid waste incineration furnace body, it is ensured that if liquid waste incineration
Stop working cutting solenoid valve at the first time in furnace body, will not generate quick-fried furnace phenomenon.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of crotonaldehyde incinerator for waste liquid according to the utility model embodiment.
In figure: 1. waste liquid tanks；2. liquid waste incineration furnace body；3. the second combustion chamber；4. level-one spray column；5. second level
Spray column；6. deentrainment tower；7. air-introduced machine；8. chimney；9. Waste liquid atomization device；10. air blower.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art's every other embodiment obtained, all belongs to
In the range of the utility model protection.
As shown in Figure 1, a kind of crotonaldehyde incinerator for waste liquid according to the utility model embodiment, including waste liquid tank
1, the waste liquid tank 1 is connected to the input terminal of liquid waste incineration furnace body 2, the output end and second of the liquid waste incineration furnace body 2
Combustion chamber 3 is connected to, and the output end of second combustion chamber 3 is connected to the input terminal of level-one spray column 4, the level-one spray column 4
Output end be connected to the input terminal of second level spray column 5, the input terminal of the output end of the second level spray column 5 and deentrainment tower 6 connects
Logical, the output end of the deentrainment tower 6 is connected to by air-introduced machine 7 with chimney 8.
In one embodiment, negative pressure system, the negative pressure system and air inducing are equipped in the liquid waste incineration furnace body 2
Machine 7 is connect with PLC control system.
In one embodiment, flame detector, the flame detector are installed in the liquid waste incineration furnace body 2
It is connect with PLC control system.
In one embodiment, the input terminal of the liquid waste incineration furnace body 2 is connected with Waste liquid atomization device 9, described useless
The input terminal of liquid atomization device 9 is connected to the output end of waste liquid tank 1.
In one embodiment, agitating device is equipped in the waste liquid tank 1.
In one embodiment, the liquid waste incineration furnace body 2 is connected with air blower 10.
In order to facilitate the above-mentioned technical proposal for understanding the utility model, below by way of practical new to this in specifically used mode
The above-mentioned technical proposal of type is described in detail.
When specifically used, according to a kind of crotonaldehyde incinerator for waste liquid described in the utility model, including waste liquid tank 1,
Agitating device is equipped in waste liquid tank 1, crotonaldehyde waste liquid is dissolved in water, can generate lamination in certain time, solution is
Agitating device (examining filter to the volatile of waste liquid, the motor of agitating device uses fire-proof motor) is added on waste liquid tank 1, promotes to give up
Liquid enter liquid waste incineration furnace body 2 before can be sufficiently mixed homogeneous, into liquid waste incineration furnace body 2 in can stablize burning, stir
Device is mixed using the prior art, rotation axis is installed at center such as in waste liquid tank 1, is equipped with stirring blade, rotation axis in rotation axis
It is connected to motor, motor drives rotation axis rotation, and then plays the role of stirring liquid in waste liquid tank 1, and waste liquid tank 1 is burnt with waste liquid
The input terminal connection of furnace body 2 is burnt, waste liquid tank 1 is built-in to be placed with crotonaldehyde waste liquid, and crotonaldehyde waste liquid is by elevator pump through piping
It is pumped into the input terminal of liquid waste incineration furnace body 2, the input terminal of liquid waste incineration furnace body 2 is equipped with a Waste liquid atomization device 9, pipe
Waste liquid in road enters in liquid waste incinerator ontology 2 after Waste liquid atomization device 9 is atomized, so that burning more abundant, waste liquid
Atomizer 9 uses SUS316L material, and SUS316L is Japanese SUS series stainless steel, is a kind of important corrosion resistant material, it
Anti- crystal corrosivity it is fine, it has many advantages, such as high temperature resistant, easy processing, high intensity, and corrosion resistance is strong, normally transports for system
Row provides effective guarantee, and crotonaldehyde waste water utilization combustor is lighted, by 10 oxygenating of air blower, by liquid waste incineration furnace body
Exhaust gas after 2 burnings enters the second combustion chamber 3, and temperature >=1100 DEG C in the second combustion chamber 3 are aoxidized by the second combustion chamber 3
Afterwards, free from extraneous odour, ordorless, smokeless effect are made up to, the second combustion chamber 3 equally lights exhaust gas by combustor, passes through drum
10 oxygenating of blower, crotonaldehyde waste liquid high volatility are easier to volatilize after high temperature in liquid waste incineration furnace body 2, such as entering
Stop working suddenly in fruit liquid waste incineration furnace body 2, will lead to fuel gas in liquid waste incineration furnace body 2 and gather increasing in a short time, it is former
Incinerator does not have advanced control means, therefore quick-fried furnace occurs.In the present apparatus, fire defector is installed in liquid waste incineration furnace body 2
The solenoid valve of device, flame detector and crotonaldehyde waste solution channel interlocks, and is controlled by PLC control system, it is ensured that if waste liquid
The cutting solenoid valve at the first time that stops working in furnace body 2 is burned, the exhausted air quantity in liquid waste incineration furnace body 2 does not increase, will not generate
Quick-fried furnace phenomenon, the tail gas after high-temp combustion twice is burnt initially enter in level-one spray column 4, and level-one spray column 4 sprays alkali
Liquid, through spray lye and sour gas in and depickling, sprayed again subsequently into second level spray column 5, second level spray column 5 spray
Lye is drenched, the tail gas for entering second level spray column 5 is subjected to acid-base neutralization, it is ensured that tail gas qualified discharge, processed flue gas is through removing
Mist tower 6 is drawn by air-introduced machine 9 to 8 qualified discharge of chimney after removing the steam in flue gas, the flue gas periodic monitoring discharged to chimney 8
Whether discharge amount meets atmospheric emission standard, the negative pressure system in liquid waste incineration furnace body 2 and 7 frequency conversion interlocked control of air-introduced machine,
Ensure to burn furnace body 2 and secondary combustion chamber 3 and be run under micro-vacuum state.
For the normal use and service life for guaranteeing system, involved equipment and pipeline preferably select corrosion-resistant material, are
It is blocked after preventing the spray head fouling of level-one spray column 4 and second level spray column 5, is all made of SUS316L material heavy caliber spray head, for side
Just the maintenance and replacement of level-one spray column 4 and second level spray column 5 is provided with maintenance on level-one spray column 4 and second level spray column 5
Hole.
In conclusion by means of the above-mentioned technical proposal of the utility model, it is abundant by twice combustion, make crotonaldehyde waste liquid
Reach free from extraneous odour, ordorless, smokeless effect, by spray process twice, it is ensured that tail gas qualified discharge is solved in acetic acid
The crotonaldehyde waste liquid generated in ethylene production has prevented crotonaldehyde waste liquid and has been discharged into sewage, stirring is equipped in waste liquid tank
Device, it is therefore prevented that waste liquid layering burns non-uniform problem, is equipped with flame detector in liquid waste incineration furnace body, it is ensured that such as
Stop working cutting solenoid valve at the first time in fruit liquid waste incineration furnace body, will not generate quick-fried furnace phenomenon.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (6)
1. a kind of crotonaldehyde incinerator for waste liquid, which is characterized in that including waste liquid tank (1), the waste liquid tank (1) and liquid waste incineration
The input terminal of furnace body (2) is connected to, and the output end of the liquid waste incineration furnace body (2) is connected to the second combustion chamber (3), and described the
The output end of two combustion chambers (3) is connected to the input terminal of level-one spray column (4), the output end and two of the level-one spray column (4)
The input terminal connection of grade spray column (5), the output end of the second level spray column (5) is connected to the input terminal of deentrainment tower (6), described
The output end of deentrainment tower (6) is connected to by air-introduced machine (7) with chimney (8).
2. a kind of crotonaldehyde incinerator for waste liquid according to claim 1, which is characterized in that the liquid waste incineration furnace body
(2) negative pressure system is equipped in, the negative pressure system and air-introduced machine (7) are connect with PLC control system.
3. a kind of crotonaldehyde incinerator for waste liquid according to claim 1 or claim 2, which is characterized in that the liquid waste incinerator sheet
Flame detector is installed in body (2), the flame detector is connect with PLC control system.
4. a kind of crotonaldehyde incinerator for waste liquid according to claim 1, which is characterized in that the liquid waste incineration furnace body
(2) input terminal is connected with Waste liquid atomization device (9), and the input terminal of the Waste liquid atomization device (9) and the output end of waste liquid tank (1) connect
It is logical.
5. according to claim 1 or a kind of 4 crotonaldehyde incinerator for waste liquid, which is characterized in that is set in the waste liquid tank (1)
There is agitating device.
6. a kind of crotonaldehyde incinerator for waste liquid according to claim 1, which is characterized in that the liquid waste incineration furnace body
(2) air blower (10) are connected with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820882138.2U CN208382180U (en) | 2018-06-08 | 2018-06-08 | A kind of crotonaldehyde incinerator for waste liquid |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820882138.2U CN208382180U (en) | 2018-06-08 | 2018-06-08 | A kind of crotonaldehyde incinerator for waste liquid |
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| CN208382180U true CN208382180U (en) | 2019-01-15 |
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| CN201820882138.2U Active CN208382180U (en) | 2018-06-08 | 2018-06-08 | A kind of crotonaldehyde incinerator for waste liquid |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113108291A (en) * | 2021-04-22 | 2021-07-13 | 红河州现代德远环境保护有限公司 | Device for pretreating dichloroethane by pyrogenic process |
| CN114151800A (en) * | 2021-11-26 | 2022-03-08 | 临朐首诚金属制品有限公司 | Environment-friendly plastic-sprayed hook incineration equipment and incineration method |
-
2018
- 2018-06-08 CN CN201820882138.2U patent/CN208382180U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113108291A (en) * | 2021-04-22 | 2021-07-13 | 红河州现代德远环境保护有限公司 | Device for pretreating dichloroethane by pyrogenic process |
| CN114151800A (en) * | 2021-11-26 | 2022-03-08 | 临朐首诚金属制品有限公司 | Environment-friendly plastic-sprayed hook incineration equipment and incineration method |
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