CN102351301B - Regenerated gas method and system for wastewater pond aeration - Google Patents
Regenerated gas method and system for wastewater pond aeration Download PDFInfo
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- CN102351301B CN102351301B CN201110269582XA CN201110269582A CN102351301B CN 102351301 B CN102351301 B CN 102351301B CN 201110269582X A CN201110269582X A CN 201110269582XA CN 201110269582 A CN201110269582 A CN 201110269582A CN 102351301 B CN102351301 B CN 102351301B
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The invention relates to a regenerated gas method and a regenerated gas system for wastewater pond aeration. The regenerated gas method comprises the following steps of: collecting regenerated gas of tepid drying machines in a centralized mode, discharging discontinuously and emptying by using a silencer; stabilizing pressure, namely collecting the regenerated gas of the tepid drying machines into a gas storage tank in the centralized mode and stabilizing the pressure of a compressed air pipe network; dewatering, namely arranging an automatic drain valve at the bottom of the gas storage tank and arranging an automatic drain valve on the raised part of a pipeline so as to further remove water in the pipeline; and controlling in the centralized mode, namely arranging a thermal resistor, a pressure transmitter and a flow meter on a regenerated gas main pipe, and monitoring the pressure, the temperature and the flow rate of the regenerated gas on site in real time by using a human machine interface (HMI) of a work station. The wastewater stations of the system are connected with the gas storage tank respectively, the gas storage tank passes through a gas collecting main pipe and is connected with the tepid drying machines of air compression stations by collecting pipes respectively, the tepid drying machines are connected with one regenerated gas pipeline respectively, and the gas storage tank is connected with the automatic drain valve. On the premise of effectively meeting the requirement of the wastewater pond aeration, the regenerated gas of the tepid drying machines is effectively used, and the method and the system have remarkable energy saving effects.
Description
Technical field
The invention belongs to the environmental protection and energy saving fields, specifically relate to a kind of New Regenerated gas method and system for wastewater pond aeration.
Background technology
Present wastewater pond aeration adopts the high-quality pressurized air after air blast or process drying treatment mostly, because the required compressed-air actuated pressure of the aeration of wastewater disposal basin is about 3bar, to water content and no requirement (NR).Centrifugal air compressor limited amount due to compressed air station, other successively new projects climb up and up for compressed-air actuated usage quantity, for wastewater pond aeration, this type of mode can cause the waste of the energy to use high-quality pressurized air (pressure is 7bar approximately) after treatment after decompression.
For present wastewater pond aeration use is instrument this uneconomic present situation of pressurized air, seek the New Regenerated gas of a kind of Simple And Practical, economic and reliable, with the unified collection of the resurgent gases of low-grade fever drying machine, high-quality pressurized air after alternative process drying treatment is for wastewater pond aeration, and these class methods are save energy effectively.
In view of this, seek a kind of resurgent gases method and system for wastewater pond aeration and become pursuing a goal of these those skilled in the art.
Summary of the invention
Task of the present invention is to provide a kind of resurgent gases method and system for wastewater pond aeration, it has overcome the shortcoming of prior art, treatment technology and the production technique of environmental protection and energy saving are combined closely, and one-time investment is low, and energy-saving effect is remarkable, treatment effect is stable, the production run cost is low, and operation operation is easy, formerly drains into outdoor resurgent gases through sound damper, now be collected into house steward through unified, avoided the impact of noise on surrounding environment.
Technical solution of the present invention is as follows:
A kind of resurgent gases method for wastewater pond aeration, it comprises the following steps:
(1) collect the resurgent gases of low-grade fever drying machine is unified, the resurgent gases of low-grade fever drying machine is the discontinuity discharging, and is emptying by sound damper;
(2) voltage stabilizing is collected into the resurgent gases unification of low-grade fever drying machine in gas-holder the pressure of constant compression air pipe network;
(3) be provided with automatic steam trap bottom draining, gas-holder, have the part of raising that automatic steam trap is installed at pipeline, further remove ducted moisture;
(4) centralized Control arranges hot resistance, pressure unit, under meter on resurgent gases house steward, by workstation HMI, pressure, temperature, the flow of the resurgent gases at scene carried out Real-Time Monitoring.
A kind of resurgent gases system for wastewater pond aeration, it comprises waste water station, gas-holder, gas gathering manifold, automatic steam trap and compressed air station, compressed air station comprises some low-grade fever drying machines;
Described waste water station connects respectively gas-holder, and gas-holder connects respectively the low-grade fever drying machine of compressed air station by gas gathering manifold by collection tube;
Described low-grade fever drying machine respectively connects a resurgent gases pipeline, and described gas-holder connects automatic steam trap.
Described conduit is provided with vacuum breaker.
Be provided with manually-operated gate before and after described vacuum breaker.
Described valve is butterfly valve.
Described resurgent gases pipeline is provided with hot resistance, pressure unit, under meter.
The invention provides a kind of New Regenerated gas for wastewater pond aeration.Wastewater pond aeration utilizes air blast or pressurized air to increase dissolved oxygen in the pond usually.For saving the instrument air supply, with the unified collection of the resurgent gases of low-grade fever drying machine, after the hot resistance of process vacuum breaker, gas-holder, automatic steam trap, the upper setting of house steward, pressure unit, under meter, the aeration coil pipe access port of access wastewater disposal basin is for wastewater pond aeration.
The present invention makes it compared with prior art owing to having adopted above technical scheme, and the resurgent gases method and system for wastewater pond aeration of the present invention have following advantage:
1, one-time investment is low.
2, energy-saving effect is remarkable.
3, treatment effect is stable.
4, the production run cost is low.
5, the operation operation is easy.
6, formerly drain into outdoor resurgent gases through sound damper, now is collected into house steward through unified, avoided the impact of noise on surrounding environment.
Description of drawings
Fig. 1 is the schema of a kind of resurgent gases method and system for wastewater pond aeration of the present invention.
Fig. 2 is a kind of resurgent gases method process flow sheet for wastewater pond aeration of the present invention.
Fig. 3 is the structural representation of a kind of resurgent gases system for wastewater pond aeration of the present invention.
Reference numeral:
1 is waste water station, and 2 is the low-grade fever drying machine, and 3 is gas-holder, and 4 is gas gathering manifold, and 5 is automatic steam trap, and 6 is the resurgent gases pipeline, and 7 is compressed air station.
Embodiment
Below in conjunction with drawings and Examples, the present invention is elaborated.
Referring to Fig. 1 and Fig. 2, the invention provides a kind of resurgent gases method for wastewater pond aeration, comprise the following steps:
(1) collect the resurgent gases of low-grade fever drying machine is unified, the resurgent gases of low-grade fever drying machine is the discontinuity discharging, and is emptying by sound damper.
(2) voltage stabilizing is collected into the resurgent gases unification of low-grade fever drying machine in gas-holder the pressure of constant compression air pipe network.
(3) be provided with automatic steam trap bottom draining, gas-holder, have the part of raising that automatic steam trap is installed at pipeline, further remove ducted moisture.
(4) centralized Control arranges hot resistance, pressure unit, under meter on resurgent gases house steward, by workstation HMI, pressure, temperature, the flow of the resurgent gases at scene carried out Real-Time Monitoring.
Referring to Fig. 3, the present invention also provides a kind of resurgent gases system for wastewater pond aeration, and it comprises waste water station 1, gas-holder 3, gas gathering manifold 4, automatic steam trap 5 and compressed air station 7; Compressed air station 7 comprises some low-grade fever drying machines 2.
Conduit is provided with vacuum breaker.Be provided with manually-operated gate before and after vacuum breaker.Valve is butterfly valve.
Resurgent gases pipeline 6 is provided with hot resistance, pressure unit, under meter.
By treatment process of the present invention, it comprises treatment steps such as the unified collection of the resurgent gases of low-grade fever drying machine, voltage stabilizing process, drainage procedure, centralized Control processes.The resurgent gases of low-grade fever drying machine is the discontinuity discharging, and is emptying by sound damper, and vacuum breaker need to be installed on conduit, is back to the apparatus body of low-grade fever drying machine with the pressurized air that prevents house steward.The resurgent gases unification of low-grade fever drying machine is collected in gas-holder the pressure that gas-holder can constant compression air pipe network.Automatic steam trap is set bottom gas-holder, has the part of raising that automatic steam trap is installed at pipeline, further remove ducted moisture, to avoid occurring " water hammer " phenomenon in pipeline.Hot resistance, pressure unit, under meter are set on resurgent gases house steward, can carry out Real-Time Monitoring to pressure, temperature, the flow of the resurgent gases at scene by workstation HMI.
Resurgent gases after collecting is unified for wastewater pond aeration.
Need manually-operated gate is installed before and after vacuum breaker, on emptying resurgent gases pipeline, manually-operated gate is installed.During day-to-day operation, before and after vacuum breaker, valve is in normally open, and the manually-operated gate on emptying resurgent gases pipeline is in normally off.For conserve space, the unified butterfly valve that adopts of valve.The automatic steam trap of gas-holder bottom utilizes action of gravity that the moisture in pressurized air is drained into outside tank, can't get rid of because raise the airborne moisture of Partial shrinkage on pipeline, needs to install automatic steam trap.Automatic steam trap adopts float-ball type, carrying capacity: 300kg/h.Pressure, temperature, flow monitoring adopt on the spot the combination with long-range two kinds of monitoring strategies, and the scene arranges row's housing and includes signal in Central Control Room.Realize the stable of supply gas pressure.
Below a non-limiting examples of the present invention, so that the present invention is described in further detail.
A kind for the treatment of process of the New Regenerated gas for wastewater pond aeration is as follows:
1420, having 9 treatment capacities in 1550 unit compressed air stations is 200m
3The low-grade fever drying machine of/min (7 unlatching, 2 standby), it directly drains into outdoor diffusing for the desiccant resurgent gases of adsorption tower using after, and the tolerance of regenerating is that 5%～8%(of separate unit low-grade fever dryer capacity is about 10～15m
3/ min), pressure is about 3～4bar, and the total amount of resurgent gases is about 85m
3/ min.
Collect the resurgent gases of 9 low-grade fever drying machines is unified, substitute through the high-quality pressurized air after drying treatment for wastewater pond aeration, effectively save energy.
This engineering is installed threeway, Hand-operated butterfly valve, vacuum breaker on the pipeline of DN80, the resurgent gases unification of 9 low-grade fever drying machines is collected into the house steward of DN250.A 6m is set outside 1420,1550 unit compressed air stations
3Gas-holder, gas-holder can steady pressure, the gas-holder bottom is provided with automatic steam trap, and the resurgent gases house steward of DN250 is accessed gas-holder.Hot resistance, pressure unit, under meter are set, and with the Central Control Room of signal access 1420,1550 unit compressed air stations on house steward, can carry out Real-Time Monitoring to pressure, temperature, the flow of the resurgent gases at scene by workstation HMI.The house steward that DN250 is adopted in the gas-holder outlet utilizes the front existing piping lane of wastewater disposal basin to lay, and has the part of raising that automatic steam trap is installed at pipeline, avoids occurring in pipeline " water hammer " phenomenon.Tell the arm of three road DN100 from the house steward of DN250, access respectively the aeration coil pipe access port of 1420 wastewater disposal basins, 1550 wastewater disposal basins, new wastewater disposal basin.
Technique of the present invention can be applied to all wastewater pond aerations.
In sum, adopt the resurgent gases method and system for wastewater pond aeration of the present invention, under the prerequisite that effectively satisfies wastewater pond aeration, realized effective utilization of low-grade fever drying machine resurgent gases, saved the instrument air supply.By the configuration of system, improved security and stability, the reliability of aeration, reduced centrifugal air compressor day-to-day operation maintenance cost.Treatment process of the present invention has small accommodation area, energy-saving effect is remarkable, one-time investment is low, treatment effect is stable, the production run low cost and other advantages.
Certainly, those skilled in the art in the art will be appreciated that, above-described embodiment is only that the present invention is described, and be not as limitation of the invention, as long as in connotation scope of the present invention, all will drop in the scope of claim of the present invention the variation of above-described embodiment, modification etc.
Claims (5)
1. resurgent gases method that is used for wastewater pond aeration, it is characterized in that: it comprises the following steps:
(1) collect the resurgent gases of low-grade fever drying machine is unified, the resurgent gases of low-grade fever drying machine is the discontinuity discharging, and is emptying by sound damper;
(2) voltage stabilizing is collected into the resurgent gases unification of low-grade fever drying machine in gas-holder the pressure of constant compression air pipe network;
(3) be provided with automatic steam trap bottom draining, gas-holder, have the part of raising that automatic steam trap is installed at pipeline, further remove ducted moisture;
(4) centralized Control arranges hot resistance, pressure unit, under meter on resurgent gases house steward, by workstation HMI, pressure, temperature, the flow of the resurgent gases at scene carried out Real-Time Monitoring.
2. resurgent gases system that is used for wastewater pond aeration, it is characterized in that: it comprises waste water station, gas-holder, gas gathering manifold, automatic steam trap and compressed air station, compressed air station comprises some low-grade fever drying machines;
Described waste water station connects respectively gas-holder, and gas-holder connects respectively the low-grade fever drying machine of compressed air station by gas gathering manifold by collection tube;
Described low-grade fever drying machine respectively connects a resurgent gases pipeline, and described gas-holder connects automatic steam trap;
Described conduit is provided with vacuum breaker.
3. the resurgent gases system for wastewater pond aeration as claimed in claim 2, is characterized in that: be provided with manually-operated gate before and after described vacuum breaker.
4. the resurgent gases system for wastewater pond aeration as claimed in claim 3, it is characterized in that: described valve is butterfly valve.
5. the resurgent gases system for wastewater pond aeration as claimed in claim 2, it is characterized in that: described resurgent gases pipeline is provided with hot resistance, pressure unit, under meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110269582XA CN102351301B (en) | 2011-09-14 | 2011-09-14 | Regenerated gas method and system for wastewater pond aeration |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110269582XA CN102351301B (en) | 2011-09-14 | 2011-09-14 | Regenerated gas method and system for wastewater pond aeration |
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|---|---|
| CN102351301A CN102351301A (en) | 2012-02-15 |
| CN102351301B true CN102351301B (en) | 2013-05-15 |
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| CN201110269582XA Expired - Fee Related CN102351301B (en) | 2011-09-14 | 2011-09-14 | Regenerated gas method and system for wastewater pond aeration |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106693561A (en) * | 2017-01-13 | 2017-05-24 | 上海振世能源科技有限公司 | Compressed air micro heat dryer tail gas treatment device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201175622Y (en) * | 2008-03-24 | 2009-01-07 | 上海梅山钢铁股份有限公司 | Compressed air cleaning system for instrument |
| CN201295584Y (en) * | 2008-11-14 | 2009-08-26 | 嘉园环保股份有限公司 | Organic waste gas recycling device |
| CN101993175A (en) * | 2009-08-27 | 2011-03-30 | 中国石油化工股份有限公司 | Nitrosification treatment method of ammonia nitrogen in high-concentration ammonia nitrogen wastewater |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201175622Y (en) * | 2008-03-24 | 2009-01-07 | 上海梅山钢铁股份有限公司 | Compressed air cleaning system for instrument |
| CN201295584Y (en) * | 2008-11-14 | 2009-08-26 | 嘉园环保股份有限公司 | Organic waste gas recycling device |
| CN101993175A (en) * | 2009-08-27 | 2011-03-30 | 中国石油化工股份有限公司 | Nitrosification treatment method of ammonia nitrogen in high-concentration ammonia nitrogen wastewater |
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Granted publication date: 20130515 Termination date: 20180914 |