CN116332382A - Sewage purification equipment and sewage purification system - Google Patents
Sewage purification equipment and sewage purification system Download PDFInfo
- Publication number
- CN116332382A CN116332382A CN202310114450.2A CN202310114450A CN116332382A CN 116332382 A CN116332382 A CN 116332382A CN 202310114450 A CN202310114450 A CN 202310114450A CN 116332382 A CN116332382 A CN 116332382A
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- Prior art keywords
- unit
- measuring instrument
- communicated
- rear end
- sewage purification
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- 239000010865 sewage Substances 0.000 title claims abstract description 47
- 238000000746 purification Methods 0.000 title claims abstract description 30
- 238000001914 filtration Methods 0.000 claims abstract description 37
- 238000005273 aeration Methods 0.000 claims abstract description 34
- 239000000945 filler Substances 0.000 claims abstract description 31
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 32
- 239000007788 liquid Substances 0.000 claims description 24
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 16
- 229910052757 nitrogen Inorganic materials 0.000 claims description 16
- 239000010802 sludge Substances 0.000 claims description 14
- 230000001546 nitrifying effect Effects 0.000 claims description 12
- 230000036284 oxygen consumption Effects 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 8
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 238000011897 real-time detection Methods 0.000 abstract description 2
- 239000001301 oxygen Substances 0.000 description 12
- 229910052760 oxygen Inorganic materials 0.000 description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 11
- 239000000463 material Substances 0.000 description 8
- 230000001276 controlling effect Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
-
- 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
- C02F2209/001—Upstream control, i.e. monitoring for predictive control
-
- 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
- C02F2209/003—Downstream control, i.e. outlet monitoring, e.g. to check the treating agents, such as halogens or ozone, leaving the process
-
- 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
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physical Water Treatments (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention relates to the technical field of sewage treatment, and particularly discloses sewage purification equipment and a sewage purification system, which comprise a front-end regulating unit, a filler interception unit, an aeration unit, an overflow unit, a filtering unit, a rear-end regulating unit and a control terminal, wherein the filler interception unit is communicated with the front-end regulating unit, the aeration unit is communicated with the filler interception unit, the overflow unit is communicated with the filler interception unit, the filtering unit is communicated with the overflow unit, the rear-end regulating unit is communicated with the filtering unit and is positioned on one side of the filtering unit, and the control terminal is respectively connected with the front-end regulating unit, the filler interception unit, the aeration unit, the overflow unit, the filtering unit, the rear-end regulating unit and the control terminal through wires. The setting of above system can reduce the energy consumption of air-blower in the aeration unit to through real-time detection can make the aeration unit more even in carrying out the aeration process, with this cost to sewage treatment that reduces.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to sewage purification equipment and a sewage purification system.
Background
At present, sewage treatment involves a plurality of fields, and sewage treatment is one of treatment technologies indispensable in daily life, and is treated until reaching the water quality requirement for reuse.
However, in the prior art, the sewage treatment device is unevenly aerated in the sewage treatment process, and the energy consumption of a fan in the aeration process is high, so that the sewage treatment cost is increased.
Disclosure of Invention
The invention aims to provide sewage purification equipment and a sewage purification system, and aims to solve the technical problems that in the prior art, a sewage treatment device is uneven in aeration in the sewage treatment process, and the energy consumption of a fan in the aeration process is high, so that the sewage treatment cost is increased.
In order to achieve the above object, the sewage purification device and the sewage purification system adopted by the invention comprise a front end regulation and control unit, a filler interception unit, an aeration unit, an overflow unit, a filtering unit, a rear end regulation and control unit and a control terminal, wherein the filler interception unit is communicated with the front end regulation and control unit and is positioned at one side of the front end regulation and control unit, the aeration unit is communicated with the filler interception unit and is positioned at one side of the filler interception unit, the overflow unit is communicated with the filler interception unit and is positioned at one side of the filler interception unit, the filtering unit is communicated with the overflow unit and is positioned at one side of the overflow unit, the rear end regulation and control unit is communicated with the filtering unit and is positioned at one side of the filtering unit, and the control terminal is respectively connected with the front end regulation and control unit, the filler interception unit, the aeration unit, the overflow unit, the filtering unit, the rear end regulation and the control terminal through wires.
The front end regulation and control unit comprises a front end COD measuring instrument, a flow valve, a front end ammonia nitrogen measuring instrument and a front end total nitrogen measuring instrument, wherein the front end COD measuring instrument, the flow valve, the front end ammonia nitrogen measuring instrument and the front end total nitrogen measuring instrument are respectively connected with the control terminal through wires.
The front-end regulation and control unit further comprises a liquid level meter, an oxygen consumption rate measuring instrument and a thermometer, wherein the liquid level meter, the oxygen consumption rate measuring instrument and the thermometer are respectively connected with the control terminal through wires, and the liquid level meter, the oxygen consumption rate measuring instrument and the thermometer are respectively arranged in the aeration unit.
The rear end regulation and control unit comprises a rear end COD measuring instrument, a rear end ammonia nitrogen measuring instrument and a rear end total nitrogen measuring instrument, wherein the rear end COD measuring instrument, the rear end ammonia nitrogen measuring instrument and the rear end total nitrogen measuring instrument are respectively connected with the control terminal through wires.
The invention also provides sewage purification equipment which is applied to the sewage purification system and comprises a nitrifying liquid return pipe, a sludge return pipe and a stripping pipe, wherein one end of the nitrifying liquid return pipe is communicated with one end of the sludge return pipe, two ends of the stripping pipe are respectively communicated with the nitrifying liquid return pipe and the sludge return pipe, and two ends of the stripping pipe respectively penetrate through the nitrifying liquid return pipe and the sludge return pipe which are corresponding to each other.
According to the sewage purification equipment and the sewage purification system, the front end regulation and control unit is used for carrying out data measurement and collection on the entered sewage, the rear end regulation and control unit is used for carrying out data measurement and collection on the discharged sewage, the control terminal is used for calculating the oxygen demand in the aeration unit, the oxygen demand is calculated according to the air quantity of the air blower, the power-on time of the air blower and the rotating speed of the air blower are calculated, the air blower is controlled by the control terminal, meanwhile, the front end regulation and control unit and the rear end regulation and control unit are used for carrying out real-time measurement and uploading to the control terminal, so that the purpose of dynamic control is achieved, the filler loss can be effectively prevented through the filler interception unit, the processing cost is reduced, meanwhile, the blockage of a follow-up device is reduced, the overflow unit and the filtering unit can be used for carrying out clearing and filtering on tiny impurities, the energy consumption of the air blower in the aeration unit can be reduced through the real-time detection, the aeration unit can be enabled to be more uniform in the process of carrying out the aeration, and the cost of the aeration unit can be reduced.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of a sewage purification system according to the present invention.
Fig. 2 is a schematic structural view of a sewage purification apparatus of the present invention.
Fig. 3 is a schematic view of the structure of the aeration line support of the present invention.
Fig. 4 is a schematic structural view of the filter unit of the present invention.
Fig. 5 is a cross-sectional view showing the internal structure of the filter unit of the present invention.
1-front end regulation and control unit, 2-filler interception unit, 3-aeration unit, 4-overflow unit, 5-filtration unit, 6-rear end regulation and control unit, 7-control terminal, 8-front end COD measuring instrument, 9-flow valve, 10-front end ammonia nitrogen measuring instrument, 11-front end total nitrogen measuring instrument, 12-liquid level meter, 13-oxygen consumption rate measuring instrument, 14-thermometer, 15-rear end COD measuring instrument, 16-rear end ammonia nitrogen measuring instrument, 17-rear end total nitrogen measuring instrument, 18-nitrified liquid reflux pipe, 19-sludge reflux pipe, 20-stripping pipe, 21-outer cylinder, 22-inner cylinder, 23-U frame, 24-hangers, 25-filtration tank way, 26-filter material layer plate, 27-reference column, 28-nut, 29-box, 30-box cover and 31-baffle.
Detailed Description
Referring to fig. 1 to 5, the present invention provides a sewage purification system, which includes a front end regulation unit 1, a filler interception unit 2, an aeration unit 3, an overflow unit 4, a filtration unit 5, a rear end regulation unit 6, and a control terminal 7, wherein the filler interception unit 2 is communicated with the front end regulation unit 1 and is located at one side of the front end regulation unit 1, the aeration unit 3 is communicated with the filler interception unit 2 and is located at one side of the filler interception unit 2, the overflow unit 4 is communicated with the filler interception unit 2 and is located at one side of the filler interception unit 2, the filtration unit 5 is communicated with the overflow unit 4 and is located at one side of the overflow unit 4, the rear end regulation unit 6 is communicated with the filtration unit 5 and is located at one side of the filtration unit 5, and the control terminal 7 is respectively connected with the front end regulation unit 1, the filler interception unit 2, the aeration unit 3, the overflow unit 4, the filtration unit 5, the rear end regulation unit 6, and the control terminal 7.
Further, the front end regulation and control unit 1 comprises a front end COD measuring instrument 8, a flow valve 9, a front end ammonia nitrogen measuring instrument 10 and a front end total nitrogen measuring instrument 11, wherein the front end COD measuring instrument 8, the flow valve 9, the front end ammonia nitrogen measuring instrument 10 and the front end total nitrogen measuring instrument 11 are respectively connected with the control terminal 7 through wires.
Further, the front-end regulation and control unit 1 further comprises a liquid level meter 12, an oxygen consumption rate measuring meter 13 and a thermometer 14, wherein the liquid level meter 12, the oxygen consumption rate measuring meter 13 and the thermometer 14 are respectively connected with the control terminal 7 through wires, and the liquid level meter 12, the oxygen consumption rate measuring meter 13 and the thermometer 14 are respectively arranged in the aeration unit 3.
Further, the back-end regulating and controlling unit 6 comprises a back-end COD measuring instrument 15, a back-end ammonia nitrogen measuring instrument 16 and a back-end total nitrogen measuring instrument 17, and the back-end COD measuring instrument 15, the back-end ammonia nitrogen measuring instrument 16 and the back-end total nitrogen measuring instrument 17 are respectively connected with the control terminal 7 through wires.
Further, the sewage purification system further comprises a plurality of aeration pipeline brackets, each of the aeration pipeline brackets is arranged in the aeration unit 3, each of the aeration pipeline brackets comprises an outer cylinder 21, an inner cylinder 22, a U frame 23 and a hanging lug 24, the inner cylinder 22 is in threaded connection with the outer cylinder 21 and is embedded in the outer cylinder 21, the U frame 23 is communicated with the outer cylinder 21 and is located at the upper end of the outer cylinder 21, and the hanging lug 24 is hinged with the U frame 23 and is located at the upper end of the U frame 23.
Further, the filtering unit 5 includes a filtering box 25, a plurality of filtering material laminates 26, positioning columns 27 and nuts 28, where the number of the positioning columns 27 is multiple, each positioning column 27 is fixedly connected with the filtering box 25 and is located at the upper end of the filtering box 25, the number of the filtering material laminates 26 is multiple, each filtering material laminate 26 is set in the filtering box 25, each positioning column 27 penetrates through the corresponding filtering material laminate 26, the number of the nuts 28 is multiple, and each nut 28 is in threaded connection with the corresponding positioning column 27 and is sleeved on the outer surface wall of the corresponding positioning column 27.
Further, each filter material layer board 26 includes a box 29, a box cover 30, and a baffle 31, where the box cover 30 is hinged to the box 29, and the box cover 30 covers the box 29, and the baffle 31 is fixedly connected to the box 29 and located at one end of the box 29, and the corresponding positioning column 27 penetrates through the baffle 31.
The invention also comprises a sewage purification device which is applied to the sewage purification system and comprises a nitrifying liquid return pipe 18, a sludge return pipe 19 and a stripping pipe 20, wherein one end of the nitrifying liquid return pipe 18 is communicated with one end of the sludge return pipe 19, two ends of the stripping pipe 20 are respectively communicated with the nitrifying liquid return pipe 18 and the sludge return pipe 19, and two ends of the stripping pipe 20 respectively penetrate through the nitrifying liquid return pipe 18 and the sludge return pipe 19.
In the sewage purification equipment and the sewage purification system, the front end regulation and control unit 1 is used for measuring and collecting data of the entered sewage, the rear end regulation and control unit 6 is used for measuring and collecting data of the discharged sewage, the control terminal 7 is used for calculating the oxygen demand in the aeration unit 3, the oxygen demand is used for calculating the power-on time of the air blower according to the air quantity of the air blower and the rotating speed of the air blower, the control terminal 7 is used for controlling the air blower, and meanwhile, the front end regulation and control unit 1 and the rear end regulation and control unit 6 are used for measuring and uploading to the control terminal 7 in real time, so that the purpose of dynamic control is achieved, the filler interception unit 2 can be used for effectively preventing filler loss, reducing the processing cost and reducing the blocking of a subsequent device, and the overflow unit 4 and the filtering unit 5 can be used for removing and filtering tiny impurities so as to ensure that the discharged water reaches the preset index;
wherein the model number of the front end COD measuring instrument 8 and the model number of the rear end COD measuring instrument 15 are JXBS-3001-SZDCS; the front ammonia nitrogen measuring instrument 10 and the rear ammonia nitrogen measuring instrument 16 are EFD-NH; the model number of the front-end total nitrogen measuring instrument 11 and the model number of the rear-end total nitrogen measuring instrument 17 are CN1002B; the oxygen consumption rate detector is of a model number of HANNA Ha Na HI5421; the filtering unit 5 adopts comet filter materials for filtering, and the comet filter materials have the characteristics of high strength, good elasticity, wear resistance, corrosion resistance and no water absorption, and have better effect when being used in the sewage treatment process;
by measuring the front end regulating unit 1 and the rear end regulating unit 6 and calculating and controlling the oxygen demand by the control terminal 7, errors are generated when the oxygen demand is calculated, so that the calculated result is increased by 5% -10% after the oxygen demand is calculated, the errors of the oxygen demand are reduced, if the oxygen demand is exceeded, the oxygen demand is fed into the nitrified liquid return pipe 18 and the sludge return pipe 19 through the stripping pipe 20, the excess oxygen demand is stripped, and wind energy generated by a blower in the aeration unit 3 is further utilized, so that the purposes of reducing energy consumption and saving energy are achieved, and meanwhile, the operation and maintenance cost of sewage treatment is reduced.
The above disclosure is only a preferred embodiment of the present invention, and it should be understood that the scope of the invention is not limited thereto, and those skilled in the art will appreciate that all or part of the procedures described above can be performed according to the equivalent changes of the claims, and still fall within the scope of the present invention.
Claims (5)
1. A sewage purification system is characterized in that,
the device comprises a front end regulation and control unit, a filler interception unit, an aeration unit, an overflow unit, a filtering unit, a rear end regulation and control unit and a control terminal, wherein the filler interception unit is communicated with the front end regulation and control unit and is positioned on one side of the front end regulation and control unit, the aeration unit is communicated with the filler interception unit and is positioned on one side of the filler interception unit, the overflow unit is communicated with the filler interception unit and is positioned on one side of the filler interception unit, the filtering unit is communicated with the overflow unit and is positioned on one side of the overflow unit, the rear end regulation and control unit is communicated with the filtering unit and is positioned on one side of the filtering unit, and the control terminal is respectively connected with the front end regulation and control unit, the filler interception unit, the aeration unit, the overflow unit, the filtering unit, the rear end regulation and control terminal through wires.
2. A sewage purification system as claimed in claim 1, wherein,
the front end regulation and control unit comprises a front end COD measuring instrument, a flow valve, a front end ammonia nitrogen measuring instrument and a front end total nitrogen measuring instrument, wherein the front end COD measuring instrument, the flow valve, the front end ammonia nitrogen measuring instrument and the front end total nitrogen measuring instrument are respectively connected with the control terminal through wires.
3. A sewage purification system as set forth in claim 2, wherein,
the front-end regulation and control unit further comprises a liquid level meter, an oxygen consumption rate measuring instrument and a thermometer, wherein the liquid level meter, the oxygen consumption rate measuring instrument and the thermometer are respectively connected with the control terminal through wires, and the liquid level meter, the oxygen consumption rate measuring instrument and the thermometer are respectively arranged in the aeration unit.
4. A sewage purification system as claimed in claim 3, wherein,
the rear end regulation and control unit comprises a rear end COD measuring instrument, a rear end ammonia nitrogen measuring instrument and a rear end total nitrogen measuring instrument, wherein the rear end COD measuring instrument, the rear end ammonia nitrogen measuring instrument and the rear end total nitrogen measuring instrument are respectively connected with the control terminal through wires.
5. A sewage purification apparatus, applied to a sewage purification system as claimed in claim 4, characterized in that,
the device comprises a nitrifying liquid return pipe, a sludge return pipe and a stripping pipe, wherein one end of the nitrifying liquid return pipe is communicated with one end of the sludge return pipe, two ends of the stripping pipe are respectively communicated with the nitrifying liquid return pipe and the sludge return pipe, and two ends of the stripping pipe respectively penetrate through the nitrifying liquid return pipe and the sludge return pipe which correspond to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310114450.2A CN116332382A (en) | 2023-02-15 | 2023-02-15 | Sewage purification equipment and sewage purification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310114450.2A CN116332382A (en) | 2023-02-15 | 2023-02-15 | Sewage purification equipment and sewage purification system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116332382A true CN116332382A (en) | 2023-06-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310114450.2A Pending CN116332382A (en) | 2023-02-15 | 2023-02-15 | Sewage purification equipment and sewage purification system |
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| Country | Link |
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| CN (1) | CN116332382A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019025413A (en) * | 2017-07-29 | 2019-02-21 | 株式会社大和電気製作所 | Aeration system and waste water treatment method in wastewater treatment facility |
| AU2020102464A4 (en) * | 2020-09-28 | 2020-11-12 | Bao, Wanyin Miss | A miniaturized air-lift membrane bioreactor for decentralized sewage treatment |
| CN112321078A (en) * | 2020-10-29 | 2021-02-05 | 北京邦源环保科技股份有限公司 | Domestic sewage treatment all-in-one |
| CN214496045U (en) * | 2020-12-14 | 2021-10-26 | 上海环境节能工程股份有限公司 | High-efficient hypoxemia MBBR sewage treatment integration equipment |
| WO2022151616A1 (en) * | 2021-01-14 | 2022-07-21 | 山东大学 | Biological-ecological coupling sewage treatment apparatus and method |
| WO2023005088A1 (en) * | 2021-07-28 | 2023-02-02 | 北控水务(中国)投资有限公司 | Full-process automatic control system and method based on sludge double-reflux aoa process |
-
2023
- 2023-02-15 CN CN202310114450.2A patent/CN116332382A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019025413A (en) * | 2017-07-29 | 2019-02-21 | 株式会社大和電気製作所 | Aeration system and waste water treatment method in wastewater treatment facility |
| AU2020102464A4 (en) * | 2020-09-28 | 2020-11-12 | Bao, Wanyin Miss | A miniaturized air-lift membrane bioreactor for decentralized sewage treatment |
| CN112321078A (en) * | 2020-10-29 | 2021-02-05 | 北京邦源环保科技股份有限公司 | Domestic sewage treatment all-in-one |
| CN214496045U (en) * | 2020-12-14 | 2021-10-26 | 上海环境节能工程股份有限公司 | High-efficient hypoxemia MBBR sewage treatment integration equipment |
| WO2022151616A1 (en) * | 2021-01-14 | 2022-07-21 | 山东大学 | Biological-ecological coupling sewage treatment apparatus and method |
| WO2023005088A1 (en) * | 2021-07-28 | 2023-02-02 | 北控水务(中国)投资有限公司 | Full-process automatic control system and method based on sludge double-reflux aoa process |
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| 冯新，万俊杰: "《环境工程施工技术》", 武汉理工大学出版社, pages: 335 - 336 * |
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