CN208516951U - A kind of new and effective ammonia dephlegmator equipment - Google Patents
A kind of new and effective ammonia dephlegmator equipment Download PDFInfo
- Publication number
- CN208516951U CN208516951U CN201820477689.0U CN201820477689U CN208516951U CN 208516951 U CN208516951 U CN 208516951U CN 201820477689 U CN201820477689 U CN 201820477689U CN 208516951 U CN208516951 U CN 208516951U
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- China
- Prior art keywords
- ammonia
- dephlegmator
- negative pressure
- raw material
- rinse bank
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model discloses a kind of new and effective ammonia dephlegmator equipment, the new and effective ammonia dephlegmator equipment includes negative pressure ammonia still, dephlegmator and raw material tank, the dephlegmator is set to the top of the negative pressure ammonia still, the raw material tank includes cold rinse bank, alkali slot and ammonia vessel, first cold rinse bank, alkali slot and ammonia vessel are set side by side, the alkali slot and the ammonia vessel, which are pumped by raw material to the negative pressure ammonia still, conveys base material and ammonium hydroxide raw material, first cold rinse bank is connect with the dephlegmator, for placing the cooling water in the dephlegmator, the dephlegmator is connected with condenser, the condenser exports concentrated ammonia liquor finished product to a pan tank.The utility model has the advantages that energy-saving and environmental protection, investment are small, and low operation temperature, reduces ammonium hydroxide to the extent of corrosion of equipment, requirement to equipment material also reduces, the reduction of distilled ammonia wastewater temperature arranges waste water directly to biochemical water process, does not need cooling using cooler.
Description
Technical field
The utility model relates to new and effective ammonia dephlegmator equipment technical field, specially a kind of new and effective ammonia dephlegmator
Equipment.
Background technique
No matter coke-oven plant's recovery workshop using which kind of process, all needs to be steamed out ammonia with ammonia still, ammonia still process tower top need through
Ammonia dephlegmator will can be sent into next workshop section after ammonia condensation cooling.Ammonia ingredient is very complicated, by a system such as NH3, H2S, HCN-
Column chemical component composition, and temperature is again high, is 98 DEG C or so, ammonia dephlegmator category extremely complex to the corrosion mechanism of ammonia dephlegmator
In common coking chemical industry equipment, ammonia dephlegmator is set in coking industry coke oven gas purification and liquid ammonia production process
One of standby, the manufacture material of ammonia dephlegmator equipment uses aluminium at present, and wherein heat exchanger tube uses 6mm wall thickness aluminium pipe, and shell is adopted
With the aluminium plate of 8mm wall thickness, since the corrosivity of ammonia steam is strong, the resistance to corrosion of aluminium is lower, and service life of equipment is opposite
Lower, heat exchanger tube is wall thickness 6mm aluminium pipe, and heat exchange efficiency is lower.
Utility model content
The purpose of this utility model is to provide a kind of new and effective ammonia dephlegmator equipment, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the utility model provides the following technical solutions: a kind of new and effective ammonia dephlegmator equipment, institute
Stating new and effective ammonia dephlegmator equipment includes negative pressure ammonia still, dephlegmator and raw material tank, and the dephlegmator is set to the negative pressure
The top of ammonia still, the raw material tank include cold rinse bank, alkali slot and ammonia vessel, and first cold rinse bank, alkali slot and ammonia vessel are simultaneously
Column setting, the alkali slot and the ammonia vessel, which are pumped by raw material to the negative pressure ammonia still, conveys base material and ammonium hydroxide raw material, institute
It states the first cold rinse bank to connect with the dephlegmator, for placing the cooling water in the dephlegmator, the dephlegmator and condenser
It is connected, the condenser exports concentrated ammonia liquor finished product to a pan tank；
The high-efficiency ammonia separating condenser equipment further includes a reboiler, and the reboiler is steamed by a waste water pump and the negative pressure
Ammonia tower is connected, and the waste water in the negative pressure ammonia still is pumped into the reboiler by the waste water, by the reboiler
Treated, and cyclic ammonia water is pumped into the negative pressure ammonia still by the waste water again recycles；
The new and effective ammonia dephlegmator equipment further includes one second cold rinse bank, water phase on second cold rinse bank and one
Even, the charging pump extracts cold water out from second cold rinse bank, supplies water respectively to the dephlegmator and the condenser.
Preferably, the first cold rinse bank is connect with second cold rinse bank.
Preferably, cyclic ammonia water is pumped to the bottom of the negative pressure ammonia still by the waste water pump, the cyclic ammonia water
Temperature is higher than 50 degrees Celsius.
Preferably, the ammonium hydroxide raw material is pumped to the top of the negative pressure ammonia still by the raw material pump, and the ammonium hydroxide is former
Material is spread down from the top of the negative pressure ammonia still.
Preferably, the condenser is also connected with a vacuum pump, for extracting the incondensable gas in the condenser out.
Compared with prior art, the utility model has the beneficial effects that energy saving: the operation of the technique realizes ammonia still process process
" consumption of steam zero ", simultaneously because the reduction of operation temperature, can meet conducive to waste heat and the distilled ammonia wastewater heat exchange of cyclic ammonia water
Heat needed for ammonia still process；Environmental protection: being no longer consumed steam during ammonia still process, without the waste water generated because steam condenses.Meanwhile
Since the solubility of ammonia vapour in water reduces, ammonia nitrogen is easier to steam, and reduces the ammonia-nitrogen content of distilled ammonia wastewater；It invests small: behaviour
The reduction for making temperature reduces ammonium hydroxide to the extent of corrosion of equipment, and the requirement to equipment material also reduces, ammonia still carbon steel,
Dephlegmator can meet production requirement with 0Cr18Ni9.The reduction of distilled ammonia wastewater temperature arranges waste water directly to biochemistry
Water process does not need cooling using cooler.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the another structural schematic diagram of the utility model；
In figure: 1- negative pressure ammonia still；2- dephlegmator；The first cold rinse bank of 3-；The first cold rinse bank of 4-；5- alkali slot；6- ammonium hydroxide
Slot；8- condenser；9- pan tank；The second cold rinse bank of 10-；11- charging pump；12- waste water pump；13- reboiler, 14- raw material pump.
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 are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-Fig. 2 is please referred to, a kind of embodiment provided by the utility model:
A kind of new and effective ammonia dephlegmator equipment, the new and effective ammonia dephlegmator equipment include negative pressure ammonia still 1, divide
Contracting device 2 and raw material tank, the dephlegmator 2 are set to the top of the negative pressure ammonia still 1, and the raw material tank includes the first cold rinse bank
4, alkali slot 5 and ammonia vessel 6, first cold rinse bank 4, alkali slot 5 and ammonia vessel 6 are set side by side, the alkali slot 5 and the ammonia vessel
6 convey base material and ammonium hydroxide raw material, first cold rinse bank 4 and described point of contracting to the negative pressure ammonia still 1 by raw material pump 14
Device 2 connect, for placing the cooling water in the dephlegmator 2, the dephlegmator 2 is connected with condenser 8, the condenser 8 to
One pan tank 9 exports concentrated ammonia liquor finished product；
The high-efficiency ammonia separating condenser equipment further includes a reboiler 13, and the reboiler 13 passes through a waste water pump 12 and institute
Negative pressure ammonia still 1 to be stated to be connected, the waste water in the negative pressure ammonia still 1 is pumped into the reboiler 13 by the waste water pump 12,
By the reboiler 13, treated that cyclic ammonia water is pumped into the negative pressure ammonia still 1 by the waste water pump 12 again recycles
It utilizes；
The new and effective ammonia dephlegmator equipment further includes one second cold rinse bank 10, water on second cold rinse bank 10 and one
Pump 11 is connected, and the charging pump 11 extracts cold water out from second cold rinse bank 10, respectively to the dephlegmator 2 and the condensation
Device 8 supplies water.
In the present embodiment, the first cold rinse bank 4 is connect with second cold rinse bank 10.
In the present embodiment, cyclic ammonia water is pumped to the bottom of the negative pressure ammonia still 1, the circulation by the waste water pump 12
The temperature of ammonium hydroxide is higher than 50 degrees Celsius.
In the present embodiment, the ammonium hydroxide raw material is pumped to the top of the negative pressure ammonia still 1 by the raw material pump 14, described
Ammonium hydroxide raw material is spread down from the top of the negative pressure ammonia still 1.
In the present embodiment, the condenser 8 is also connected with a vacuum pump, for extracting not condensing in the condenser 8 out
Gas.
Working principle: new and effective ammonia dephlegmator equipment includes negative pressure ammonia still 1, dephlegmator 2 and raw material tank, by the cold work of drum
The remained ammonia that sequence is sent enters ammonia vessel 6, pressurizes after carrying out the static separation of tar herein through raw material pump 14, steams into negative pressure
Ammonia tower 1, from 1 top of negative pressure ammonia still spray and under, ammonia vapour is steamed after depressurizing, heat needed for negative pressure ammonia still 1 is by waste water
Pump provides after being delivered to reboiler and the heat exchange of coke oven cycle ammonium hydroxide.Meanwhile the lye in alkali slot is sent into raw material by raw material pump 14
Aqua ammonia pump decomposes the Stagnant ammonium in raw material ammonia water, and the extra waste water that 1 bottom of negative pressure ammonia still generates can be sent to phenol-cyanogen sewage processing
It stands.The gas phase of tower top evolution is evacuated phase by vacuum pump, incoagulable gas enters gas pipe after ammonia dephlegmator, condenser 8 are cooling
Road, concentrated gas liquor are sent to desulfurization workshop section.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into
Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all
It is included within the scope of protection of this utility model.
Claims (5)
1. a kind of new and effective ammonia dephlegmator equipment, it is characterised in that: the new and effective ammonia dephlegmator equipment includes that negative pressure is steamed
Ammonia tower (1), dephlegmator (2) and raw material tank, the dephlegmator (2) are set to the top of the negative pressure ammonia still (1), the raw material
Slot includes the first cold rinse bank (4), alkali slot (5) and ammonia vessel (6), and first cold rinse bank (4), alkali slot (5) and ammonia vessel (6) are simultaneously
Column setting, the alkali slot (5) and the ammonia vessel (6) convey base material to the negative pressure ammonia still (1) by raw material pump (14)
And ammonium hydroxide raw material, first cold rinse bank (4) connect with the dephlegmator (2), for placing the cooling in the dephlegmator (2)
Water, the dephlegmator (2) are connected with condenser (8), and the condenser (8) exports concentrated ammonia liquor finished product to a pan tank (9)；
The high-efficiency ammonia separating condenser equipment further includes a reboiler (13), and the reboiler (13) passes through a waste water pump (12) and institute
It states negative pressure ammonia still (1) to be connected, the waste water in the negative pressure ammonia still (1) is pumped into the reboiler by the waste water pump (12)
(13) in, pass through the waste water pump (12) again by the reboiler (13) treated cyclic ammonia water and be pumped into the negative pressure ammonia still process
Tower recycles in (1)；
The new and effective ammonia dephlegmator equipment further includes one second cold rinse bank (10), water on second cold rinse bank (10) and one
(11) are pumped to be connected, the charging pump (11) extracts cold water from second cold rinse bank (10) out, respectively to the dephlegmator (2) and
The condenser (8) is supplied water.
2. a kind of new and effective ammonia dephlegmator equipment according to claim 1, it is characterised in that: the first cold rinse bank (4) with
Second cold rinse bank (10) connection.
3. a kind of new and effective ammonia dephlegmator equipment according to claim 1, it is characterised in that: the waste water pump (12) will
Cyclic ammonia water is pumped to the bottom of the negative pressure ammonia still (1), and the temperature of the cyclic ammonia water is higher than 50 degrees Celsius.
4. a kind of new and effective ammonia dephlegmator equipment according to claim 1, it is characterised in that: the raw material pump (14) will
The ammonium hydroxide raw material is pumped to the top of the negative pressure ammonia still (1), and the ammonium hydroxide raw material is from the top of the negative pressure ammonia still (1)
It spreads down at end.
5. a kind of new and effective ammonia dephlegmator equipment according to claim 1, it is characterised in that: the condenser (8) is also
It is connected with a vacuum pump, for extracting the incondensable gas in the condenser (8) out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820477689.0U CN208516951U (en) | 2018-04-05 | 2018-04-05 | A kind of new and effective ammonia dephlegmator equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820477689.0U CN208516951U (en) | 2018-04-05 | 2018-04-05 | A kind of new and effective ammonia dephlegmator equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208516951U true CN208516951U (en) | 2019-02-19 |
Family
ID=65342005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820477689.0U Expired - Fee Related CN208516951U (en) | 2018-04-05 | 2018-04-05 | A kind of new and effective ammonia dephlegmator equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208516951U (en) |
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2018
- 2018-04-05 CN CN201820477689.0U patent/CN208516951U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190219 Termination date: 20210405 |