CN206669760U - A kind of TDA tar liquids CIU - Google Patents
A kind of TDA tar liquids CIU Download PDFInfo
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- CN206669760U CN206669760U CN201720437509.1U CN201720437509U CN206669760U CN 206669760 U CN206669760 U CN 206669760U CN 201720437509 U CN201720437509 U CN 201720437509U CN 206669760 U CN206669760 U CN 206669760U
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- flue gas
- ciu
- firing chamber
- tower
- dual firing
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Abstract
A kind of TDA tar liquids CIU, including CIU, heat reclaiming system, the flue gas purification system being sequentially connected；The CIU includes liquid burning kiln, dual firing chamber, the TDA tar liquids that liquid burning kiln import reception is burned, and the outlet of liquid burning kiln connects dual firing chamber's entrance, and liquid burning kiln, dual firing chamber have been respectively connected with fuel system；The heat reclaiming system includes waste heat boiler, and waste heat boiler import and the outlet of dual firing chamber connect, and waste heat boiler is provided with softening water supply system；The flue gas purification system includes flue gas quenching tower, dry type extracting tower, one-level sack cleaner, two level sack cleaner, flue gas precooling tower, flue gas spray column, flue gas heater, the chimney being sequentially connected.Using liquid CIU of the present utility model by TDA tar waste high temperature incinerations, abundant, and thorough tail gas treatment is not only burned, realizes qualified discharge, system operation is safe and reliable.
Description
Technical field
The utility model relates in general to industrial wastes process field, and in particular to the waste liquid liquid CIU such as TDA tar.
Background technology
Toluenediamine (TDA) is the primary raw material for producing toluene diisocyanate (TDI).TDA is mainly by dinitrotoluene (DNT)
(DNT) catalytic hydrogenation reaction synthesizes.In hydrogenation reaction and later separation process, there are many side reactions, generation height
Boiling component, industrially commonly referred to as tar (slag).Generally use burning process handles the waste liquids such as TDA tar, after burning
Flue gas in contain a variety of poisonous and harmful substances, it is necessary to take strict smoke eliminator could realize environment protection standard discharge.
Utility model content
The purpose of this utility model is to provide a kind of TDA tar liquids CIU, can realize the efficient place of TDA tar
Reason and environment protection standard discharge.
According to TDA tar liquids CIU of the present utility model, including be sequentially connected CIU, energy recovery system
System, flue gas purification system.
The CIU includes liquid burning kiln, dual firing chamber, the TDA tar liquid that liquid burning kiln import reception is burned
Body, the outlet of liquid burning kiln connect dual firing chamber's entrance, and liquid burning kiln, dual firing chamber have been respectively connected with fuel system.
The heat reclaiming system includes waste heat boiler, and waste heat boiler import and the outlet of dual firing chamber connect, waste heat boiler
It is connected with softening water supply system.
The flue gas purification system include be sequentially connected flue gas quenching tower, dry type extracting tower, one-level sack cleaner, two
Level sack cleaner, flue gas precooling tower, flue gas spray column, flue gas heater, chimney；Flue gas quenching tower import is connected with cooling alkali lye
Tank；Dry type extracting tower is connected to modified activated carbon injection apparatus, calcium hydroxide injection apparatus；One-level sack cleaner, two level cloth bag remove
Fresh activated carbon injection apparatus is provided between dirt device；Flue gas precooling tower and flue gas spray column connect with alkali lye circulating cooling system respectively
Connect.
Using liquid CIU of the present utility model by TDA tar waste high temperature incinerations, abundant, and tail is not only burned
Gas disposal is thorough, realizes qualified discharge, and system operation is safe and reliable.
Brief description of the drawings
Fig. 1 is the general structure schematic diagram of TDA tar liquids CIU of the present utility model.
Each label represents respectively in figure：1st, liquid burning kiln, 2, dual firing chamber, 3, waste heat boiler, 4, flue gas quenching tower, 5, dry
Formula extracting tower, 6, one-level sack cleaner, 7, two level sack cleaner, 8, flue gas precooling tower, 9, flue gas spray column, 10, flue gas
Heater, 11, chimney, 12, air-introduced machine, 13, circulation alkali liquid pool, 14, fresh activated carbon injection apparatus, 15, modified activated carbon injection
Device, 16, calcium hydroxide injection apparatus, 17, cooling alkali liquid tank, 18, softening water supply system, 20, water cooling scraper plate Machine for cleaning-out ash, 21,
Municipal water supply, 22, fuel system.
Embodiment
To describe the utility model technology contents, construction feature, the objects and the effects in detail, below in conjunction with embodiment party
Formula simultaneously coordinates accompanying drawing to be explained in detail.
Referring to Fig. 1, according to TDA tar liquids CIU of the present utility model, including be sequentially connected CIU, heat
Can recovery system, flue gas purification system.
The CIU includes liquid burning kiln (1), dual firing chamber (2), and liquid burning kiln (1) uses vertical incinerator,
The TDA tar liquids that its import reception is burned, its outlet connects dual firing chamber (2) entrance.Liquid burning kiln (1) and dual firing chamber (2) point
It is not connected with fuel system (22), fuel system (22) can be oil storage tank, be pumped into oil plant respectively through measuring pump
Liquid burning kiln (1) and dual firing chamber (2) carry out combustion-supporting and burning.The cold scraper plate Machine for cleaning-out ash (20) of dual firing chamber (2) bottom water receiving.
The heat reclaiming system includes waste heat boiler (3), and waste heat boiler (3) import is connected with the outlet of dual firing chamber (2),
Waste heat boiler (3) is connected with softening water supply system (18), and softened water can produce steam after waste heat boiler (3) heating and supply plant area
Other productions or living facilities utilize.
Flue gas quenching tower (4), dry type extracting tower (5), the one-level cloth bag that the flue gas purification system includes being sequentially connected remove
Dirt device (6), two level sack cleaner (7), flue gas precooling tower (8), flue gas spray column (9), flue gas heater (10), air-introduced machine
(12), chimney (11).Flue gas quenching tower (4) import is connected with cooling alkali liquid tank (17)；Dry type extracting tower (5) is connected to modified activated carbon
Injection apparatus (15) and calcium hydroxide injection apparatus (16).
Fresh activated carbon injection apparatus (14) is provided between one-level sack cleaner (6), two level sack cleaner (7).It is fresh and alive
Property the fresh activated carbon that sprays into of charcoal injection apparatus under the effect of rear end air inducing absorption two level sack cleaner (7) cloth bag surface,
The characteristics of big is accumulated using cloth bag surface so as to be fully absorbed to the pernicious gas such as bioxin in flue gas.
Flue gas precooling tower (8) and the flue gas spray column (9) are connected with alkali lye circulating cooling system respectively.Alkali lye circulation is cold
But system includes circulation alkali liquid pool (13), and circulation alkali liquid pool (13) first outlet is connected with flue gas precooling tower (8), flue gas precooling tower
(8) leakage fluid dram connects circulation alkali liquid pool (13)；Circulation alkali liquid pool (13) second outlet cigarette receiving gas spray column (9), flue gas spray column (9)
Leakage fluid dram connects circulation alkali liquid pool (13).
In order to prevent the generation of contingency in burning process, emergent water jet is provided with liquid incinerating kiln (1) top, with
Municipal water supply (21) connects, and dump mouth is provided with dual firing chamber (2), dump mouth is by bypassing flue and cigarette
Chimney (11) is joined directly together, and bypass flue is provided with butterfly valve.When there is case of emergency, emergent water jet is opened, is made rapidly
Liquid incinerating kiln (1) decrease temperature and pressure；The butterfly valve on bypass flue is opened, makes dual firing chamber (2) rapid decrease temperature and pressure.
TDA tar is after the two level of liquid burning kiln (1) and dual firing chamber (2) is fully burned, caused high-temperature flue gas warp
Waste heat boiler (3) carries out heat energy recycle, and flue gas is by modified activated carbon injection apparatus (15), calcium hydroxide injection apparatus (16)
With one-level sack cleaner (6) dedusting, the particulate form bioxin and part Qi Tai bioxin in flue gas are removed；Removed through one-level cloth bag
The flue gas of dirt device (6) by fresh activated carbon injection apparatus (14) and two level sack cleaner (7) carry out fully thoroughly dedusting with
Pernicious gas is adsorbed, the flue gas after purification enters flue gas precooling tower (8) cooling alkali cleaning, then passes through into flue gas spray column (9)
Filler carries out abundant alkali cleaning deacidification again；The qualified discharge after flue gas heater (10) heating again.
Embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, it is every
The equivalent structure or equivalent flow conversion made using specification of the present utility model and accompanying drawing content, or directly or indirectly use
In other related technical areas, similarly it is included in scope of protection of the utility model.
Claims (1)
1. a kind of TDA tar liquids CIU, including be sequentially connected CIU, heat reclaiming system, gas cleaning system
System；It is characterized in that：
The CIU includes liquid burning kiln (1), dual firing chamber (2), and the TDA that liquid burning kiln (1) import reception is burned is burnt
Fluid body, liquid burning kiln (1) outlet connect dual firing chamber (2) entrance, and liquid burning kiln (1), dual firing chamber (2) have been respectively connected with fuel
Supply system (22)；
The heat reclaiming system includes waste heat boiler (3), and waste heat boiler (3) import is connected with the outlet of dual firing chamber (2), waste heat
Boiler (3) is connected with softening water supply system (18)；
The flue gas purification system includes flue gas quenching tower (4), dry type extracting tower (5), the one-level sack cleaner being sequentially connected
(6), two level sack cleaner (7), flue gas precooling tower (8), flue gas spray column (9), flue gas heater (10), chimney (11)；Cigarette
Cold tower (4) import out of breath is connected with cooling alkali liquid tank (17)；Dry type extracting tower (5) is connected to modified activated carbon injection apparatus (15), disappeared
Lime injection apparatus (16)；Fresh activated carbon injection apparatus is provided between one-level sack cleaner (6), two level sack cleaner (7)
(14)；Flue gas precooling tower (8) and flue gas spray column (9) are connected with alkali lye circulating cooling system respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720437509.1U CN206669760U (en) | 2017-04-25 | 2017-04-25 | A kind of TDA tar liquids CIU |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720437509.1U CN206669760U (en) | 2017-04-25 | 2017-04-25 | A kind of TDA tar liquids CIU |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206669760U true CN206669760U (en) | 2017-11-24 |
Family
ID=60375915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720437509.1U Active CN206669760U (en) | 2017-04-25 | 2017-04-25 | A kind of TDA tar liquids CIU |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206669760U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081445A (en) * | 2019-05-28 | 2019-08-02 | 北京首创环境科技有限公司 | A kind of liquid hazardous waste burn system and its burning process |
-
2017
- 2017-04-25 CN CN201720437509.1U patent/CN206669760U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081445A (en) * | 2019-05-28 | 2019-08-02 | 北京首创环境科技有限公司 | A kind of liquid hazardous waste burn system and its burning process |
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