CN208898682U - A kind of circulating water for gasification high-efficiency comprehensive utilization controlling device - Google Patents
A kind of circulating water for gasification high-efficiency comprehensive utilization controlling device Download PDFInfo
- Publication number
- CN208898682U CN208898682U CN201821300345.9U CN201821300345U CN208898682U CN 208898682 U CN208898682 U CN 208898682U CN 201821300345 U CN201821300345 U CN 201821300345U CN 208898682 U CN208898682 U CN 208898682U
- Authority
- CN
- China
- Prior art keywords
- circulating water
- gasification
- dedusting
- water
- outlet
- 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.)
- Active
Links
Landscapes
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Physical Water Treatments (AREA)
Abstract
The utility model belongs to a kind of circulating water for gasification high-efficiency comprehensive utilization controlling device；Aeration tower is segmented including circulating water for gasification, the circulating water for gasification segmentation aeration tower includes the temperature descending section on top and the dedusting section of lower part, temperature descending section is connected with circulating water cooling cooling system, dedusting section is connected with circulating water dedusting settling system, and the circulating water outlet of circulating water dedusting settling system flashes lime set stripping deamination system with circulating vacuum by recirculated water vacuum flashing heat-exchange system and is connected；, process design simple with structure is rationally, energy conservation and environmental protection, waste heat utilization be high, device is stable efficiently and economic benefit clear advantage.
Description
Technical field
The utility model belongs to circulating water for gasification utilization and Treatment process field, and in particular to a kind of circulating water for gasification is efficient
Comprehensively utilize controlling device.
Background technique
Recently as the tightening of environmental protection policy, account for the atmospheric fixed-bed gasification technique of coal chemical industry production capacity 30% by
Limitation, wherein most important environmental issue is the governing problem of the circulating water for gasification of fixed bed, circulating water for gasification be high COD,
The waste water of high ammonia nitrogen and higher turbidity, since it can not be handled therefore be had to using closed cycle, while circulating water for gasification
It is the carrier of semiwater gas cooling, recirculated water mean temperature is at 70 DEG C, 200,000 tons of synthesis ammonia scale, the circulation of circulating water for gasification
Amount is about 1500m3/ h, above-mentioned a large amount of low-quality heat source can not utilize, and its with strong corrosive so can only lie on the table,
It is the major issue for restricting industry development.
Domestic existing circulating water for gasification Processing tecchnics, it is generally undesirable using traditional micro swirl clarification process but effect,
Emerging in recent years stripping process and hydrolysis acidification technique handles circulating water for gasification, and added amount of chemical is larger, although can will
COD and ammonia nitrogen lower, but this strand of highly-saline waste water, and being sent to terminal still has greater impact, while can not utilize gas making
The low-quality heat source of recirculated water.
Utility model content
The purpose of the utility model is to overcome defects in the prior art, and provide that a kind of structure is simple, process design
Rationally, energy conservation and environmental protection, waste heat utilization are high, device is stable efficiently efficiently integrates with the apparent circulating water for gasification of economic benefit
Utilize controlling device.
Purpose of the utility model is realized as follows: including that circulating water for gasification is segmented aeration tower, the circulating water for gasification
Being segmented aeration tower includes that the temperature descending section on top and the dedusting section of lower part, temperature descending section are connected with circulating water cooling cooling system, remove
Dirt section is connected with circulating water dedusting settling system, and the circulating water outlet of circulating water dedusting settling system passes through recirculated water vacuum flashing
Heat-exchange system is connected with circulating vacuum flash distillation lime set stripping deamination system.
Preferably, it is equipped between the temperature descending section and dedusting section and rises gas liquid trap, the top of temperature descending section is equipped with and gas holder phase
Semiwater gas outlet even, the top of temperature descending section are equipped with cooling spray equipment；Rise the corresponding gas making circulation in gas liquid trap side
The inner wall of moisture section aeration tower is equipped with light dirty circulating water outlet；The top of dedusting section is equipped with dedusting spray equipment, dedusting section
Middle and lower part side is equipped with the semiwater gas import being connected with waste heat boiler, and the lower part of dedusting section is equipped with the dirty circulating water outlet of weight.
Preferably, the cooling spray equipment is 4-5 group.
Preferably, the circulating water cooling cooling system includes cooling tower, and the middle and upper part of cooling tower passes through with packing layer
Filtering tank is connected with light dirty circulating water outlet, and the lower part of cooling tower is connected by force (forcing) pump with cooling spray equipment, cooling tower bottom
Portion is connected by the pipeline with valve with the second inlet of circulating water for gasification horizontal sedimentation tank.
Preferably, the circulating water dedusting settling system includes circulating water for gasification horizontal sedimentation tank, circulating water for gasification advection
The top of sedimentation basin is equipped with the first inlet, and the top side of circulating water for gasification horizontal sedimentation tank is equipped with supernatant circulating water outlet,
The lower part of circulating water for gasification horizontal sedimentation tank is respectively equipped with the second inlet and third inlet, the first inlet and the dirty circulation of weight
Water out is connected, and supernatant circulating water outlet passes through heat-exchanger pump and dedusting spray equipment；Lower part in circulating water for gasification horizontal sedimentation tank
Side be equipped with filtered water reservoir, the lower part of filtered water reservoir passes through the circulating water outlet with the water pump that exchanges heat and changes with recirculated water vacuum flashing
Directly-heated machine import in hot systems is connected.
Preferably, the recirculated water vacuum flashing heat-exchange system includes directly-heated machine, the outlet of directly-heated motor spindle and third into
Liquid mouth is connected, and the negative pressure steam (vapor) outlet on directly-heated machine top is connected by the shell side of heat exchanger with ammonia still process stripper, the pipe of heat exchanger
Journey is connected with the heating equipment of enterprise or family.
Preferably, the circulating vacuum flash distillation lime set stripping deamination system includes ammonia still process stripper, ammonia still process stripper bottom
Liquid-phase outlet be connected with high-COD waste water processing terminal, the gaseous phase outlet of ammonia still process stripper top is connected with ammonium sulfate tourie,
The outlet of ammonium sulfate tourie is connected by the stripper that pressurizes with flue gas desulfurization concentration and crystallization device.
According to a kind of circulating water for gasification high-efficiency comprehensive utilization controlling device made of above scheme, by circulating water for gasification
Segmentation aeration tower carries out segmentation transformation, while is transformed to cooling tower and circulating water for gasification horizontal sedimentation tank to reach classification
Using the purpose of circulating water for gasification, directly-heated machine is set in recirculated water vacuum flashing heat-exchange system, recirculated water can be efficiently used
Low-grade calorific value carry out heat supply use, and innovate ammonia still process stripper plant is used to solve vacuum direct heating machine gas phase flash distillation
Liquid, solving the high dirty low-quality heat source of circulating water for gasification can not utilize, and high stain disease can not be routed directly to asking for terminal processes
Topic；, process design simple with structure is rationally, energy conservation and environmental protection, waste heat utilization be high, device is stable efficiently and economic benefit
Clear advantage.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
For a clearer understanding of the technical features, objectives and effects of the utility model, now compareing Detailed description of the invention
Specific embodiment of the present utility model, identical label indicates identical component in the various figures.To make simplified form, in each figure
Part relevant to utility model is only schematically shown, they do not represent its practical structures as product.
As shown in Figure 1, the utility model is a kind of circulating water for gasification high-efficiency comprehensive utilization controlling device, including gas making recycles
Moisture section aeration tower 1, the circulating water for gasification segmentation aeration tower 1 include the temperature descending section 2 on top and the dedusting section 3 of lower part, drop
Temperature section 2 is connected with circulating water cooling cooling system, and dedusting section 3 is connected with circulating water dedusting settling system, circulating water dedusting precipitating
The circulating water outlet of system flashes lime set stripping deamination system with circulating vacuum by recirculated water vacuum flashing heat-exchange system and is connected.
Preferably, it is equipped between the temperature descending section 2 and dedusting section 3 and rises gas liquid trap 4, the top of temperature descending section 2 is equipped with and gas
The connected semiwater gas outlet 6 of cabinet 5, the top of temperature descending section 2 is equipped with cooling spray equipment 7；It is corresponding to rise 4 side of gas liquid trap
The inner wall that circulating water for gasification is segmented aeration tower 1 is equipped with light dirty circulating water outlet 8；The top of dedusting section 3 is equipped with dedusting spray dress
9 are set, the middle and lower part side of dedusting section 3 is equipped with the semiwater gas import 11 being connected with waste heat boiler 10, and the lower part of dedusting section 3 is equipped with
Weight dirt circulating water outlet 12.
Preferably, the cooling spray equipment 7 is 4-5 group.
Preferably, the circulating water cooling cooling system includes cooling tower 13, and the middle and upper part of cooling tower 13 passes through band filler
The filtering tank 15 of layer 14 is connected with light dirty circulating water outlet 8, and the lower part of cooling tower 13 passes through force (forcing) pump 16 and cooling spray equipment 7
It is connected, 21 phase of the second inlet that 13 bottom of cooling tower passes through the pipeline with valve 17 and circulating water for gasification horizontal sedimentation tank 18
Even.
Preferably, the circulating water dedusting settling system includes circulating water for gasification horizontal sedimentation tank 18, and circulating water for gasification is flat
The top of sedimentation tank 18 is equipped with the first inlet 19, and the top side of circulating water for gasification horizontal sedimentation tank 18 is recycled equipped with supernatant
Water out 20, the lower part of circulating water for gasification horizontal sedimentation tank 18 are respectively equipped with the second inlet 21 and third inlet 22, and first
Inlet 19 is connected with weight dirt circulating water outlet 12, and supernatant circulating water outlet 20 passes through heat-exchanger pump 23 and dedusting spray equipment 9；It makes
The side of lower part is equipped with filtered water reservoir 24 in gas cyclical level sedimentation tank 18, and the lower part of filtered water reservoir 24 passes through band heat exchange water pump
25 circulating water outlet is connected with 26 import of directly-heated machine in recirculated water vacuum flashing heat-exchange system.
Preferably, the recirculated water vacuum flashing heat-exchange system includes directly-heated machine 26, the outlet of 26 bottom of directly-heated machine and the
Three inlets 22 are connected, and the negative pressure steam (vapor) outlet 27 on 26 top of directly-heated machine passes through the shell side and 30 phase of ammonia still process stripper of heat exchanger 28
Even, the tube side of heat exchanger 28 is connected with the heating equipment 29 of enterprise or family.
Preferably, the circulating vacuum flash distillation lime set stripping deamination system includes ammonia still process stripper 30, ammonia still process stripper 30
The liquid-phase outlet of bottom is connected with high-COD waste water processing terminal 31, and the gaseous phase outlet and ammonium sulfate at 30 top of ammonia still process stripper are inhaled
Closed cans 32 is connected, and the outlet of ammonium sulfate tourie 32 is connected by the stripper 33 that pressurizes with flue gas desulfurization concentration and crystallization device 34.
A kind of administering method of circulating water for gasification high-efficiency comprehensive utilization controlling device, the administering method include the following steps:
Step 1: the half-water gas temperature of waste heat boiler 10 is 160-180 DEG C, pressure 20-25KPa, passes through half water coal
Gas import 11 enters dedusting section 3, and the cinder of bulky grain is after the spray washing by dedusting spray equipment 9, the powder of semiwater gas
Dirt drops to 8-10g/m3, semiwater gas is entered in temperature descending section 2 by liter gas liquid collector 4 after washing；Circulating water for gasification point
Solid content higher recirculated water in lower part is attached most importance to dirty recirculated water in section aeration tower 1, and weight dirt recirculated water passes through weight dirt circulating water outlet 12
Into in circulating water for gasification horizontal sedimentation tank 18, and make in circulating water for gasification horizontal sedimentation tank 18 cinder and moisture of bulky grain
From the supernatant recirculated water after separation is entered in dedusting spray equipment 9 by heat-exchanger pump 23 to be recycled；The supernatant recirculated water
Solid content is 3-4g/L；
Step 2: entering in temperature descending section 2 after dropping to 75-90 DEG C by the half-water gas temperature of dedusting section 3 and cool down,
Cool down to enter in gas holder 5 by semiwater gas outlet 6 after spray equipment 7 cools down by 4-5 group and be used for subsequent workshop section；Into half
The half-water gas temperature of water-gas outlet 6 is 55-60 DEG C；
Step 3: cooling spray equipment 7 to the light dirty recirculated water after semiwater gas cooling by rise gas liquid collector 4 and
Light dirt circulating water outlet 8 enters in the filtering tank 15 with packing layer 14, enters in cooling tower 13 after the filtering of packing layer 14, passes through
Cooling tower 13 is cooling, and water temperature drops to 40-50 DEG C by 80-90 DEG C；Light dirty recirculated water after cooling enters drop by force (forcing) pump 16
It is recycled in warm spray equipment 7；
Step 4: when the light dirty recirculated water solid content when in cooling tower 13 rises to 1-15g/L, opening valve 17 makes
Light dirt recirculated water is entered in circulating water for gasification horizontal sedimentation tank 18 by the second inlet 21, and carries out moisturizing to cooling tower 13；
Step 5: the filtered heavy dirty recirculated water of filtered water reservoir 24 in circulating water for gasification horizontal sedimentation tank 18 passes through circulation
Water out, heat exchange water pump 25 and 26 import of directly-heated machine enter in directly-heated machine 26；The flow of the heat exchange water pump 25 is 500-
650m3/ h, pressure 0.2-0.3Mpa；
Step 6: the dirty circulating water temperature of weight in 26 import of directly-heated machine is 75-80 DEG C, and weight dirt recirculated water is negative in directly-heated machine 26
Pressure generates vacuum flash dirt steam, and vacuum flash dirt steam passes through the shell side of heat exchanger 28 by negative pressure steam (vapor) outlet 27, directly
The concentrate after vacuum flashing in heat engine 26 is entered in circulating water for gasification horizontal sedimentation tank 18 by third inlet 22；Enterprise
Or 40 DEG C of clean water is entered in the tube side of heat exchanger 28 by the import of 28 tube side of heat exchanger in the heating equipment 29 of family, 40
DEG C clean water and vacuum flash dirt steam heat-exchanging after generate 60 DEG C of clean water, and pass through the confession of pipeline Entry Firm or family
Heating equipment 29 carries out heat supply use；The temperature of concentrate after the vacuum flashing is 50-60 DEG C；
Step 7: the vacuum flash dirt steam after heat exchange becomes the waste water that temperature is 40-50 DEG C, COD content in the waste water
For 2000-3500mg/L, ammonia-nitrogen content 3000-4000mg/L, water 50-60t/h, waste water enters in ammonia still process stripper 30
It is stripped, the liquid phase ammonia nitrogen after stripping drops to 300-400mg/L, and COD content is 1000-1500mg/L, and makes the liquid phase
Into carrying out biochemical treatment in high-COD waste water processing terminal 31；
Step 8: the gas phase after being stripped in the step 7 by ammonia still process stripper 30, which enters in ammonium sulfate tourie 32, to be made
At gas phase condensation liquid, gas phase condensation liquid enters in pressurization stripper 33, in the environment of the high temperature for the stripper 33 that pressurizes and pressurization,
The ammonia of free state is separated from liquid phase in ammonia nitrogen, and for ammonia by the absorption of sulfuric acid, forming concentration is 10-20%'s
Ammonium sulfate, ammonium sulfate are sent to flue gas desulfurization concentration and crystallization device 34 by pipeline and produce ammonium sulfate solids finished product；Institute
Stating the temperature in pressurization stripper 33 is 160-180 DEG C, pressure 0.45-0.63MPa.
The high dirty and waste water containing low level heat energy this kind of for static bed gas making in the utility model, using series connection directly-heated
The mode of machine extracts residual heat heating in waste water and uses, while utilizing vacuum flashing technology, makes the escaping gas in recirculated water
Separation, while entering ammonia nitrogen stripper plant after condensing, the ammonia nitrogen in condensate liquid is further recycled, ammonium sulfate slurries are made, are sent to
Ammonium sulfate crystallization device is made into sulfuric acid ammonium product.The process of the utility model not only solves circulating water for gasification turbidity
Height, high ammonia nitrogen and high COD waste water cannot directly into terminal processes the problem of, while the low-grade heat source of circulating water for gasification is utilized,
Environment benefits and economic gains with higher.Reach 10000mg/L in circulating water for gasification at present for COD, ammonia nitrogen reaches 5000mg/L
High stain disease, which can not be handled, and is passed through the utility model and proposed waste water using series connection vacuum direct heating machine technique
Middle residual heat heating uses, while utilizing vacuum flashing technology, separates the escaping gas in recirculated water, while condensate liquid
COD is that 2000-3500mg/L ammonia nitrogen is the rear entrance ammonia nitrogen stripper plant that ammonia-nitrogen content is 3000-4000mg/L, is further returned
The ammonia nitrogen in condensate liquid is received, ammonium sulfate slurries are made, are sent to ammonium sulfate crystallization device, are made into sulfuric acid ammonium product；Liquid after stripping
Phase ammonia nitrogen drops to 300-400mg/L, and COD content is 1000-1500mg/L, and the liquid phase is made to enter high-COD waste water processing eventually
Biochemical treatment is carried out in end；The development and utilization of circulating water for gasification hair Lowlevel thermal energy are realized simultaneously, i.e., every side's waste water can per hour
Generate waste heat 11-14KW.It is further noted that the directly-heated machine in the utility model is vacuum direct heating machine, manufacturer
Are as follows: patent, patent name have been declared to the equipment by HUT Jintao Technology Co., Ltd, the said firm are as follows: directly-heated machine,
Patent No.: 201410239541.X, patent application day are as follows: on May 23rd, 2014；
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term is " even
Connect ", " connected " etc. shall be understood in a broad sense, for example, it may be being fixedly connected, be integrally connected, may be a detachable connection；
The connection being also possible to inside two elements；It can be directly connected, it can also indirectly connected through an intermediary, for ability
For the those of ordinary skill in domain, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.On
The detailed description of text is illustrated only for the feasible embodiment of the utility model, they are not to limit this
The protection scope of utility model, it is all equal without departing from equivalent implementations made by the utility model skill spirit, change and transformation
It should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of circulating water for gasification high-efficiency comprehensive utilization controlling device, including circulating water for gasification segmentation aeration tower (1), feature exists
In: circulating water for gasification segmentation aeration tower (1) includes the temperature descending section (2) on top and the dedusting section (3) of lower part, temperature descending section
(2) it is connected with circulating water cooling cooling system, dedusting section (3) is connected with circulating water dedusting settling system, circulating water dedusting precipitating
The circulating water outlet of system flashes lime set stripping deamination system with circulating vacuum by recirculated water vacuum flashing heat-exchange system and is connected.
2. a kind of circulating water for gasification high-efficiency comprehensive utilization controlling device according to claim 1, it is characterised in that: the drop
It is equipped between temperature section (2) and dedusting section (3) and rises gas liquid trap (4), the top of temperature descending section (2) is equipped with half to be connected with gas holder (5)
Water-gas exports (6), and the top of temperature descending section (2) is equipped with cooling spray equipment (7)；Rise that gas liquid trap (4) side is corresponding makes
The inner wall that gas recirculated water is segmented aeration tower (1) is equipped with light dirty circulating water outlet (8)；It is sprayed equipped with dedusting on the top of dedusting section (3)
Shower device (9), the middle and lower part side of dedusting section (3) are equipped with the semiwater gas import (11) being connected with waste heat boiler (10), dedusting
The lower part of section (3) is equipped with the dirty circulating water outlet (12) of weight.
3. a kind of circulating water for gasification high-efficiency comprehensive utilization controlling device according to claim 2, it is characterised in that: the drop
Warm spray equipment (7) is 4-5 group.
4. a kind of circulating water for gasification high-efficiency comprehensive utilization controlling device according to claim 1, it is characterised in that: described to follow
Ring water cooling down system includes cooling tower (13), and the middle and upper part of cooling tower (13) passes through the filtering tank (15) with packing layer (14)
It is connected with light dirty circulating water outlet (8), the lower part of cooling tower (13) is connected by force (forcing) pump (16) with cooling spray equipment (7),
Cooling tower (13) bottom passes through the second inlet (21) of the pipeline with valve (17) and circulating water for gasification horizontal sedimentation tank (18)
It is connected.
5. a kind of circulating water for gasification high-efficiency comprehensive utilization controlling device according to claim 1, it is characterised in that: described to follow
Ring water dedusting settling system includes circulating water for gasification horizontal sedimentation tank (18), and circulating water for gasification horizontal sedimentation tank is set at the top of (18)
Have the first inlet (19), the top side of circulating water for gasification horizontal sedimentation tank (18) is equipped with supernatant circulating water outlet (20), makes
The lower part of gas cyclical level sedimentation tank (18) is respectively equipped with the second inlet (21) and third inlet (22), the first inlet
(19) it is connected with the dirty circulating water outlet (12) of weight, supernatant circulating water outlet (20) passes through heat-exchanger pump (23) and dedusting spray equipment
(9)；The side of circulating water for gasification horizontal sedimentation tank (18) interior lower part is equipped with filtered water reservoir (24), and the lower part of filtered water reservoir (24) is logical
The circulating water outlet with heat exchange water pump (25) is crossed to be connected with directly-heated machine (26) import in recirculated water vacuum flashing heat-exchange system.
6. a kind of circulating water for gasification high-efficiency comprehensive utilization controlling device according to claim 1, it is characterised in that: described to follow
Ring water vacuum flashing heat-exchange system includes directly-heated machine (26), and the outlet of directly-heated machine (26) bottom is connected with third inlet (22),
The negative pressure steam (vapor) outlet (27) on directly-heated machine (26) top is connected by the shell side of heat exchanger (28) with ammonia still process stripper (30), is exchanged heat
The tube side of device (28) is connected with the heating equipment (29) of enterprise or family.
7. a kind of circulating water for gasification high-efficiency comprehensive utilization controlling device according to claim 1, it is characterised in that: described to follow
Ring vacuum flashing lime set stripping deamination system includes ammonia still process stripper (30), the liquid-phase outlet and height of ammonia still process stripper (30) bottom
COD wastewater treatment terminal (31) is connected, and the gaseous phase outlet at the top of ammonia still process stripper (30) is connected with ammonium sulfate tourie (32), sulphur
The outlet of sour ammonium tourie (32) is connected by pressurization stripper (33) with flue gas desulfurization concentration and crystallization device (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821300345.9U CN208898682U (en) | 2018-07-30 | 2018-07-30 | A kind of circulating water for gasification high-efficiency comprehensive utilization controlling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821300345.9U CN208898682U (en) | 2018-07-30 | 2018-07-30 | A kind of circulating water for gasification high-efficiency comprehensive utilization controlling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208898682U true CN208898682U (en) | 2019-05-24 |
Family
ID=66569232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821300345.9U Active CN208898682U (en) | 2018-07-30 | 2018-07-30 | A kind of circulating water for gasification high-efficiency comprehensive utilization controlling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208898682U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108862801A (en) * | 2018-07-30 | 2018-11-23 | 河南心连心化肥有限公司 | A kind of circulating water for gasification high-efficiency comprehensive utilization controlling device and administering method |
-
2018
- 2018-07-30 CN CN201821300345.9U patent/CN208898682U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108862801A (en) * | 2018-07-30 | 2018-11-23 | 河南心连心化肥有限公司 | A kind of circulating water for gasification high-efficiency comprehensive utilization controlling device and administering method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101665309B (en) | Method for treating gasified waste water containing high-concentration phenol and ammonia | |
| CN101597092B (en) | Method for treating coal gasification wastewater by single tower alkali injection and pressurization steam stripping | |
| CN107235593A (en) | The system and method that a kind of coal gasification water system recovery ammonia is removed with sulphur | |
| CN105967425A (en) | Coal chemical industry grey water flashing treatment system capable of reducing ammonia accumulation and coal chemical industry grey water flashing treatment process capable of reducing ammonia accumulation | |
| CN105366751A (en) | Energy-saving environment-friendly integrated recycling and utilization method of coal chemical gasification washing black water high-temperature flashing steam | |
| CN104843813A (en) | Coal gasification high ammonia nitrogen wastewater treatment process | |
| CN104355343A (en) | Purification technology for ammonia recycled from wastewater from coal gasification | |
| CN104829494A (en) | Energy-saving urea production system and production process thereof | |
| CN105036443A (en) | Method and device for treating phenol ammonia wastewater in single-tower stripping mode by recovering steam condensate heat | |
| CN110054164A (en) | A kind of dilute sulfuric acid system for concentrating and recycling | |
| CN208898682U (en) | A kind of circulating water for gasification high-efficiency comprehensive utilization controlling device | |
| CN107823906A (en) | A kind of raw gas conversion process condensate liquid stripping processing system and method | |
| CN110054201B (en) | Process for producing refined ammonia water by deacidifying residual ammonia water and simultaneously realizing heat coupling | |
| CN204981786U (en) | Coal gas dust removal cooling system and coal gasification system | |
| CN206126864U (en) | It prepares device of pure liquid ammonia to contain ammonia transform lime set waste water | |
| CN104926009B (en) | Ammonia-nitrogen wastewater treatment system | |
| CN205603392U (en) | Device is prepared to treatment of ammonia nitrogen waste water and aqueous ammonia | |
| CN104788321A (en) | Recycling device and recycling technology of dimethylamine | |
| CN105731394A (en) | Refined sulfuric acid preparation device and preparation method thereof | |
| CN206033465U (en) | Coal chemical wastewater preliminary treatment deamination system | |
| CN210214856U (en) | Energy-efficient surplus aqueous ammonia distillation plant | |
| CN108862801A (en) | A kind of circulating water for gasification high-efficiency comprehensive utilization controlling device and administering method | |
| CN110054202B (en) | Process for producing refined ammonia water by deacidifying residual ammonia water | |
| CN206408037U (en) | A kind of coal chemical industry buck flash distillation process system for reducing ammonia accumulation | |
| CN106395858B (en) | A kind of method and device converting lime set waste water making pure liquefied ammonia containing ammonia |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 453731 Xinxiang Economic Development Zone, Henan Province (Xiaoji Town) Patentee after: Henan Xinlianxin Chemical Industry Group Co., Ltd. Address before: 453731 Henan Xinxiang Economic Development Zone Xiaoji Town Henan Xinlianxin Chemical Fertilizer Co., Ltd. Patentee before: Henan XInlianxin Fertiliser Limited Company |
|
| CP03 | Change of name, title or address |