CN108675433A - A kind of multistage air inlet wet oxidation system - Google Patents
A kind of multistage air inlet wet oxidation system Download PDFInfo
- Publication number
- CN108675433A CN108675433A CN201810651649.8A CN201810651649A CN108675433A CN 108675433 A CN108675433 A CN 108675433A CN 201810651649 A CN201810651649 A CN 201810651649A CN 108675433 A CN108675433 A CN 108675433A
- Authority
- CN
- China
- Prior art keywords
- air inlet
- sewage
- oxidizing tower
- wet oxidation
- air
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/74—Treatment of water, waste water, or sewage by oxidation with air
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/02—Temperature
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/38—Gas flow rate
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/42—Liquid level
Abstract
The invention discloses a kind of multistage air inlet wet oxidation systems.The system include to sewage is heated heater, obtain to aoxidize the sewage of heated device the oxidizing tower of oxidation water, the pneumatics unit to provide oxidizing tower air and will aoxidize water and be brought into the heat exchanger that the sewage of heater carries out heat exchange, oxidizing tower is passed through the air inlet of oxidizing tower along the different location of water (flow) direction equipped with multiple air for providing pneumatics unit.The system makes gas distribution abundance in oxidizing tower uniformly, increase the contact area of gas liquid reaction, improve oxidative degradation rate by way of more inlet charges；Simultaneously because the raising of oxidative degradation rate, reacts a large amount of heat of output, so that temperature in oxidizing tower is increased, further improve oxidative degradation efficiency；Since temperature increases in oxidizing tower, makes oxidation water that there is higher heat to carry out heat exchange with the sewage before heating, make full use of thermal energy, reduce heating cost.
Description
Technical field
The present invention relates to sewage treatment fields, and in particular to a kind of multistage air inlet wet oxidation system.
Background technology
With the fast development of social all trades and professions, the problem of industrial wastewater discharge, is also more and more paid close attention to by society,
The especially production waste of the industries such as chemical industry, plating, medicine, generally there is that salinity is high, organic matter is high, more than poisonous and harmful element
Feature, it is very big to environmental hazard；Intractability is very big.With the raising that Environmental protection requires, the improvement of such sewage
Become extremely urgent.
Wet Oxidation Process is that the oxygen that sewage is warming up in 150-320 DEG C and air reacts, and is removed with reaching
The process of dirty Organic substance in water.This method can to high organic matter, it is with high salt, directly locate containing the sewage more than poisonous and harmful element
Reason, it is much lower compared to burning and other methods, energy consumption.And after overly moist water oxygen, the venomous injurant in sewage
Matter is degraded to low molecular organic salt, and secondary pollution will not be caused to environment, is used by many enterprises.
Country's Wet Oxidation Process at present, generally by the way of oxidizing tower oxidation, i.e., sewage is by heating in oxygen
Change and mixed with air in tower, make poisonous and harmful substance oxidative degradation in sewage, but is substantially at present using oxidation tower bottom
Single air admission hole is passed through compressed air.In this way since tower is excessively high, cause to be unevenly distributed in high section gas, gas liquid interfacial area becomes
Small, oxidative degradation rate is relatively low, while again since oxidative degradation is insufficient so that heating is insufficient in tower, causes degradation efficiency relatively low.
Invention content
It is an object of the present invention in view of the above shortcomings of the prior art, propose a kind of multistage air inlet wet oxidation system,
By the way that air inlet is arranged in multiple positions of oxidizing tower, air is evenly distributed in oxidizing tower, and oxidative degradation rate is made to greatly improve.
The present invention proposes a kind of multistage air inlet wet oxidation system, include to sewage is heated heater, use
The oxidizing tower of oxidation water is obtained to aoxidize the sewage through the heater, to the pneumatics unit to oxidizing tower offer air
With the oxidation water to be carried out to the heat exchanger of heat exchange with the sewage for being brought into heater, the oxidizing tower is along flow side
To different location be equipped with multiple air that the pneumatics unit is provided and be passed through the air inlet of the oxidizing tower.
Further, further include the raw water storage tank for storing sewage.
Further, the raw water storage tank is equipped with the liquid level gauge for showing its inside liquid level.
Further, further include to the pump by sewage transport to the heater.
Further, the air inlet is equipped with to control the valve of charge flow rate.
Further, the air inlet is additionally provided with to control the pressure reducing valve of admission pressure.
Further, the air inlet is equipped with the monitoring module for monitoring gas flow.
Further, the pneumatics unit includes two air-compressor sets in parallel and stores the air-compressor set to collect
The air accumulator of the air of generation.
Further, further include the heating temperature and pneumatics unit for monitoring the heater air demand it is remote
Range monitoring system.
Further, the remote monitoring system is equipped with the temperature to heating process and Oxidative Degradation Process to sewage
Change the temperature sensor being detected.
A kind of multistage air inlet wet oxidation system of the present invention makes gas in oxidizing tower by way of more inlet charges
Body distribution is sufficient uniformly, increases the contact area of gas liquid reaction, improves oxidative degradation rate；Simultaneously because oxidative degradation rate
It improves, reacts a large amount of heat of output, so that temperature in oxidizing tower is increased, further improve oxidative degradation efficiency；Due to oxygen
Change temperature in tower to increase, makes oxidation water that there is higher heat to carry out heat exchange with the sewage before heating, make full use of thermal energy, drop
Low heating cost.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram for multistage air inlet wet oxidation system that the present invention applies example.
In figure：1- heaters, 2- oxidizing towers, 3- heat exchangers, 4- air inlets, 5- raw waters storage tank, 6- pumps, 7- air-compressor sets,
8- air accumulators.
Specific implementation mode
In order to illustrate the embodiments of the present invention more clearly and/or technical solution in the prior art, attached drawing will be compareed below
Illustrate the specific implementation mode of the present invention.It should be evident that drawings in the following description are only some embodiments of the invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings, and obtain other embodiments.In addition, the relative position belonged between only indicating each component for being related to orientation is closed
System, rather than absolute positional relation.
Embodiment 1
It please refers to Fig.1.The multistage air inlet wet oxidation system of the embodiment of the present invention, includes the heating to be heated to sewage
Device 1, to aoxidize the sewage of heated device 1 obtain oxidation water oxidizing tower 2, to oxidizing tower 2 provide air pneumatics list
Member and to will aoxidize water and be brought into heater 1 sewage progress heat exchange heat exchanger 3, oxidizing tower 2 is along water (flow) direction
Different location be equipped with multiple air that pneumatics unit is provided and be passed through the air inlet 4 of oxidizing tower 2.
Sewage is reacted with the oxygen in air, the reaction is in oxygen at high operating temperatures by being heated by heater 1
Change and carried out in tower 2, when in sewage organic matter or the substances such as inorganic matter by oxidative degradation after, that is, generate oxidation water.Due to oxygen
Change degradation reaction and need a large amount of air-source, so the present invention is supplied using an independent pneumatics unit, to ensure
Sufficient oxygen is provided for oxidative degradation, it is ensured that fully reaction.
Due to the particularity of 2 structure of single bottom of tower intake method and oxidizing tower of oxidizing tower 2, cause most of react can only
It is carried out in 2 bottom of oxidizing tower, because the oxygen in the air source of 2 bottom of oxidizing tower will soon participate in oxygen after entering oxidizing tower 2
Change degradation reaction after oxygen is depleted, still has most of substance can not be by oxidative degradation since air inflow is limited in sewage；Together
When the product of the gas liquid reaction junction in oxidizing tower 2 also limited due to single intake method, do not make full use of in oxidizing tower 2 empty
Between, oxidative degradation rate can not be more preferably improved, so the present invention is equipped with multiple air inlets 4 on oxidizing tower 2, air inlet 4 is along oxygen
The direction for changing sewage flow direction in tower 2 is set gradually, to ensure that different location can obtain sufficient air for sewage in oxidizing tower 2
Oxidative degradation greatly improves oxidative degradation rate of the sewage in oxidizing tower 2, oxidation reaction is made more fully to carry out.
It can be according to factors such as actual conditions, such as 2 height of oxidizing tower, length, diameter, effluent flow rate to the number of air inlet 4
Amount and position are adjusted, and to reach preferably gas supply effect, improve oxidative degradation rate.
The present invention utilizes the oxidation water with high fever obtained after oxidation using heat exchanger 3, will aoxidize the heat of water
Amount passes to the sewage before thermal response to be added by heat exchanger 3, is preheated in this way to sewage, reduces heating energy consumption；
Meanwhile it being greatly reduced the temperature of oxidation water, it is more also beneficial to it and carries out processing use into subsequent processing.Because of this hair
The multistage intake method of bright use is supplied, and keeps the oxidation reaction in oxidizing tower 2 more acutely and abundant, so that reaction is released big
The heat of amount improves the temperature of oxidation water, thus preferably can carry out heat exchange by heat exchanger 3 and sewage, improve sewage
Temperature further reduces heating energy consumption.
Further include the raw water storage tank 5 for storing sewage, raw water storage tank as the wet oxidation system of the embodiment of the present invention
5 are equipped with the liquid level gauge for showing its inside liquid level.Its purpose is to preferably ensure the stability of system operation, pass through original
Water storage tank 5 carries out caching enough sewage, to carry out heated oxide；The water in raw water storage tank 5 is supervised by liquid level gauge
Control ensures the more stable operation of system to adjust the inflow and water yield of raw water storage tank 5 in time.
Further include to by the pump 6 of sewage transport to heater 1 as the wet oxidation system of the embodiment of the present invention.With
Power is provided to the sewage of system.
Air inlet 4 is equipped with to control the valve of charge flow rate.Air inlet 4 is additionally provided with to control the decompression of admission pressure
Valve.Air inlet 4 is equipped with the monitoring module for monitoring gas flow.
Since the reaction in oxidizing tower 2 carries out in the state of high fever, so temperature and pressure that oxidizing tower 2 is born
Power can impact effluent flow rate, the extent of reaction, so valve and pressure reducing valve, Ke Yigeng are arranged at each air inlet 4
The good air inflow and admission pressure that various inlet mouth 4 is controlled according to actual conditions.
Because the airline pressure under in parallel is consistent, this results in each air inlet 4 to be to the supply gas pressure of oxidizing tower 2
Consistent, but can thus larger resistance be caused to the flowing of sewage in oxidizing tower 2, so in actual mechanical process,
It preferably keeps flowing to direction along sewage and sets gradually the admission pressure of air inlet 4 and taper into, reaction can be more advantageous in this way
Oxidation water discharge afterwards, accelerates the overall operation rate of system, to also improve the treatment effeciency of sewage.
Preferably 4 flow of each air inlet and pressure can be monitored using intelligent monitored control module in the present invention, with
Convenient to operate person is adjusted in real time.
Pneumatics unit include two air-compressor sets 7 in parallel and to collect storage air-compressor set 7 generate air storage
Gas tank 8.Its purpose is to ensure the stability of system air source because when air source not quietly, air pressure it is too low, air demand is insufficient
When, the reaction efficiency in oxidizing tower 2 will substantially reduce, and reaction is insufficient, and organic matter and inorganic matter in sewage are just difficult to oxygen
Change degradation, the oxidation water of discharge will be unqualified, and harmful substance is exceeded, so being supplied using two air compressor machine parallel connections, Ke Yijiao
It is repaired for working service, while adding air accumulator 8 can preferably ensure the duration of gas supply, and also greatly improves gas
Source gas stream, air pressure stability.
Further include the heating temperature and pneumatics for monitoring heater 1 as the wet oxidation system of the embodiment of the present invention
The remote monitoring system of the air demand of unit.Remote monitoring system is equipped with to the heating process and Oxidative Degradation Process to sewage
The temperature sensor that is detected of temperature change.
Since this system is all largely to carry out at high temperature under high pressure, while temperature plays key to oxidative degradation
Effect, thus not only to processing safety the considerations of, but also will in time to react key parameter monitoring, be then arranged a set of
Remote monitoring system, again can be to the monitoring of different phase temperature while to ensure safety.
Embodiment 2
The waste water of factory A, a concentration of 50123ppm of entering organic matter of water, total salt content 8%, density 1100kg/m3, waste water temperature
20 DEG C, small time discharge capacity is 5m3/h.Using multistage air inlet wet-type oxidation technology, process conditions are：Influent waste water flow 5m
³/h；Compressed air air inflow is 1024 Nm3/h.After system reaches balance, it is 9648mg/L, average oxidation to be averagely discharged COD
Water water yield be 4.2m3/h, oxidizing tower be averaged leaving water temperature be 273 DEG C.Need 44.8 ㎡ of heat exchange area；Same sewage passes
System wet oxidation operation data be：860 Nm3/h of compressed air consumption；After system reaches balance, oxidation solution is averagely discharged
COD be 16357 mg/L, average oxidation water water yield be 4.3m3/H, oxidizing tower be averaged leaving water temperature be 270 DEG C.It needs to exchange heat
57.4 ㎡ of area.Comparing is shown in Table 1.
COD is chemically to measure the amount that the reducing substances aoxidized are needed in water sample.Waste water, waste water treatment plant go out
In water and contaminated water, the oxygen equivalent for the substance that can be aoxidized by strong oxidizer.
Embodiment 3
The waste water of factory B, a concentration of 43257ppm of entering organic matter of water, total salt content 8%, density 1054kg/m3, waste water temperature
23 DEG C, small time discharge capacity is 5m3/h.Using multistage air inlet wet-type oxidation technology, process conditions are：Influent waste water flow 5m
³/h；Compressed air air inflow is 924 Nm3/h.After system reaches balance, it is 8964 mg/L, average oxidation to be averagely discharged COD
Water water yield be 4.2m3/h, oxidizing tower be averaged leaving water temperature be 270 DEG C.Need 51.1 ㎡ of heat exchange area.Same sewage passes
System wet oxidation operation data be：807 Nm3/h of compressed air consumption；After system reaches balance, being averagely discharged COD is
14627 mg/L, average oxidation water water yield be 4.5m3/H, oxidizing tower be averaged leaving water temperature be 265 DEG C.Need heat exchange area
67.2㎡.Comparing is shown in Table 2.
COD is chemically to measure the amount that the reducing substances aoxidized are needed in water sample.Waste water, waste water treatment plant go out
In water and contaminated water, the oxygen equivalent for the substance that can be aoxidized by strong oxidizer.
By the comparing of Tables 1 and 2 this it appears that：Factory A and factory B is using multistage air inlet wet oxidation
After system, each key parameter significantly improves, and sewage treatment capacity is greatly improved, and COD value optimizes on the original basis
Value is respectively 41% and 39%, realizes very big promotion, is provided with higher oxidative degradation rate；In leaving water temperature and heat-transfer surface
, also can be it is easy to see that leaving water temperature increase in long-pending alignment parameters, required heat exchange area is greatly reduced, effectively
Reduce heating cost.
Exemplary illustration is carried out to the embodiment of the present invention above, but the content is only the preferable implementation of the present invention
Example should not be construed as limiting the practical range of the present invention.All the changes and improvements etc. of all application ranges according to the present invention,
It should all fall within the scope of the patent of the present invention.
Claims (10)
1. a kind of multistage air inlet wet oxidation system carries out heated oxide processing to sewage, it is characterised in that：Including to dirt
The heater that water is heated（1）, aoxidizing through the heater（1）Sewage obtain oxidation water oxidizing tower（2）, to
To the oxidizing tower（2）There is provided air pneumatics unit and to by the oxidation water be brought into heater（1）Sewage
Carry out the heat exchanger of heat exchange（3）, the oxidizing tower（2）It is equipped with along the different location of water (flow) direction multiple by the pneumatics unit
The air of offer is passed through the oxidizing tower（2）Air inlet（4）.
2. a kind of multistage air inlet wet oxidation system as described in claim 1, it is characterised in that：Further include storing sewage
Raw water storage tank（5）.
3. a kind of multistage air inlet wet oxidation system as claimed in claim 2, it is characterised in that：The raw water storage tank（5）If
It is useful for showing the liquid level gauge of its inside liquid level.
4. a kind of multistage air inlet wet oxidation system as described in claim 1, it is characterised in that：Further include to sewage is defeated
It send to the heater（1）Pump（6）.
5. a kind of multistage air inlet wet oxidation system as described in claim 1, it is characterised in that：The air inlet（4）It is equipped with
To control the valve of charge flow rate.
6. a kind of multistage air inlet wet oxidation system as described in claim 1, it is characterised in that：The air inlet（4）Also set
There is the pressure reducing valve for controlling admission pressure.
7. a kind of multistage air inlet wet oxidation system as described in claim 1, it is characterised in that：The air inlet（4）It is equipped with
Monitoring module for monitoring gas flow.
8. a kind of multistage air inlet wet oxidation system as described in claim 1, it is characterised in that：The pneumatics unit includes two
The air-compressor set of a parallel connection（7）The air-compressor set is stored with to collect（7）The air accumulator of the air of generation（8）.
9. a kind of multistage air inlet wet oxidation system as described in claim 1, it is characterised in that：Further include monitor it is described
Heater（1）Heating temperature and the pneumatics unit air demand remote monitoring system.
10. a kind of multistage air inlet wet oxidation system as claimed in claim 9, it is characterised in that：The remote monitoring system
The temperature sensor being detected equipped with the temperature change to heating process and Oxidative Degradation Process to sewage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810651649.8A CN108675433A (en) | 2018-06-22 | 2018-06-22 | A kind of multistage air inlet wet oxidation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810651649.8A CN108675433A (en) | 2018-06-22 | 2018-06-22 | A kind of multistage air inlet wet oxidation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108675433A true CN108675433A (en) | 2018-10-19 |
Family
ID=63811771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810651649.8A Pending CN108675433A (en) | 2018-06-22 | 2018-06-22 | A kind of multistage air inlet wet oxidation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108675433A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021128727A1 (en) * | 2019-12-23 | 2021-07-01 | 南京延长反应技术研究院有限公司 | Treatment system and method for cephalosporin wastewater |
| CN113087251A (en) * | 2019-12-23 | 2021-07-09 | 南京延长反应技术研究院有限公司 | Benzene wastewater treatment system and method |
| CN113087252A (en) * | 2019-12-23 | 2021-07-09 | 南京延长反应技术研究院有限公司 | Treatment system and method for caprolactam production wastewater |
| CN113087254A (en) * | 2019-12-23 | 2021-07-09 | 南京延长反应技术研究院有限公司 | Treatment system and method for acrylic acid and acrylic ester wastewater |
| CN113087256A (en) * | 2019-12-23 | 2021-07-09 | 南京延长反应技术研究院有限公司 | Treatment system and method for ethylene desulfurization wastewater |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1039006A (en) * | 1988-06-07 | 1990-01-24 | 日本触煤化学工业株式会社 | The method of purifying waste water |
| CN101092350A (en) * | 2007-06-26 | 2007-12-26 | 中国石化仪征化纤股份有限公司 | Oxidizing reactor in bubbling tower of internal circulation for producing aromatic acid |
| CN104761041A (en) * | 2014-01-08 | 2015-07-08 | 万华化学集团股份有限公司 | Catalytic wet oxidation treatment reaction tower and method and device for treating high-concentration organic wastewater by using same |
| CN105645554A (en) * | 2014-12-05 | 2016-06-08 | 中国石油化工股份有限公司 | Processing method of circulating water |
| CN208814725U (en) * | 2018-06-22 | 2019-05-03 | 杭州深瑞水务有限公司 | A kind of multistage air inlet wet oxidation system |
-
2018
- 2018-06-22 CN CN201810651649.8A patent/CN108675433A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1039006A (en) * | 1988-06-07 | 1990-01-24 | 日本触煤化学工业株式会社 | The method of purifying waste water |
| CN101092350A (en) * | 2007-06-26 | 2007-12-26 | 中国石化仪征化纤股份有限公司 | Oxidizing reactor in bubbling tower of internal circulation for producing aromatic acid |
| CN104761041A (en) * | 2014-01-08 | 2015-07-08 | 万华化学集团股份有限公司 | Catalytic wet oxidation treatment reaction tower and method and device for treating high-concentration organic wastewater by using same |
| CN105645554A (en) * | 2014-12-05 | 2016-06-08 | 中国石油化工股份有限公司 | Processing method of circulating water |
| CN208814725U (en) * | 2018-06-22 | 2019-05-03 | 杭州深瑞水务有限公司 | A kind of multistage air inlet wet oxidation system |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021128727A1 (en) * | 2019-12-23 | 2021-07-01 | 南京延长反应技术研究院有限公司 | Treatment system and method for cephalosporin wastewater |
| CN113087251A (en) * | 2019-12-23 | 2021-07-09 | 南京延长反应技术研究院有限公司 | Benzene wastewater treatment system and method |
| CN113087252A (en) * | 2019-12-23 | 2021-07-09 | 南京延长反应技术研究院有限公司 | Treatment system and method for caprolactam production wastewater |
| CN113087254A (en) * | 2019-12-23 | 2021-07-09 | 南京延长反应技术研究院有限公司 | Treatment system and method for acrylic acid and acrylic ester wastewater |
| CN113087256A (en) * | 2019-12-23 | 2021-07-09 | 南京延长反应技术研究院有限公司 | Treatment system and method for ethylene desulfurization wastewater |
| CN113087254B (en) * | 2019-12-23 | 2022-04-01 | 南京延长反应技术研究院有限公司 | Treatment system and method for acrylic acid and acrylic ester wastewater |
| CN113087252B (en) * | 2019-12-23 | 2022-04-01 | 南京延长反应技术研究院有限公司 | Treatment system and method for caprolactam production wastewater |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108675433A (en) | A kind of multistage air inlet wet oxidation system | |
| CN106992308B (en) | A kind of fuel cell pack electricity generation system and control method | |
| CN100423342C (en) | Fuel cell system | |
| CN204356212U (en) | A kind of belt drying plant and sludge drying system | |
| CN206806444U (en) | A kind of new fuel cell pile power generating system | |
| CN103422112B (en) | A kind of method and system prepared hydrogen and carry out combined type water and electricity supply | |
| US8029753B2 (en) | Ammonia contact scrubber system for a fuel cell | |
| CN107758884A (en) | A kind of bubble-free aeration system and aeration method for river course water harnessing | |
| CN103977703A (en) | Biogas biological desulfurization system | |
| CN208814725U (en) | A kind of multistage air inlet wet oxidation system | |
| CN204201873U (en) | A kind of boiler deoxidizing method equipment of novel energy-conserving | |
| CN111408200A (en) | Waste gas treatment device used in kitchen waste biochemical treatment equipment | |
| CN207671781U (en) | A kind of bubble-free aeration system for river water harnessing | |
| CN107540119A (en) | A kind of processing method of the high organic wastewater of high salt | |
| CN207483443U (en) | It is a kind of can be to device that sewage is heated using air | |
| CN208253609U (en) | A kind of printing machine VOCs concentration paddy electricity balance RTO processing system | |
| CN212832833U (en) | Ammonia decomposition device | |
| CN209010216U (en) | A kind of circulation wet oxidation system | |
| CN108675434A (en) | A kind of cycle wet oxidation system | |
| CN201262321Y (en) | Steam system without condensed water in long pipeline transportation course | |
| CN214635408U (en) | Temperature-adjusting and energy-saving device for nutrient solution of biological deodorization system in cold season | |
| CN206203975U (en) | The continuous wet-type oxidation technology equipment of degrading high concentration organic wastewater | |
| CN206837848U (en) | Bio-trickling filter experimental system and exhaust-gas treatment experimental system | |
| CN206680352U (en) | A kind of new MBR integrated water treatment equipments | |
| CN206624679U (en) | Reverse osmosis unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |