CN212403797U - Economical circulating water blowdown water recycling treatment system - Google Patents
Economical circulating water blowdown water recycling treatment system Download PDFInfo
- Publication number
- CN212403797U CN212403797U CN202021331049.2U CN202021331049U CN212403797U CN 212403797 U CN212403797 U CN 212403797U CN 202021331049 U CN202021331049 U CN 202021331049U CN 212403797 U CN212403797 U CN 212403797U
- Authority
- CN
- China
- Prior art keywords
- water
- inlet
- communicated
- outlet
- sewage
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 296
- 238000004064 recycling Methods 0.000 title claims abstract description 27
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 83
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 74
- 239000010865 sewage Substances 0.000 claims abstract description 52
- 238000001179 sorption measurement Methods 0.000 claims abstract description 46
- 230000003647 oxidation Effects 0.000 claims abstract description 39
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 claims abstract description 33
- 238000007872 degassing Methods 0.000 claims abstract description 31
- 238000005554 pickling Methods 0.000 claims description 41
- 238000011010 flushing procedure Methods 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 20
- 230000008569 process Effects 0.000 claims description 18
- 238000011001 backwashing Methods 0.000 claims description 15
- 238000006477 desulfuration reaction Methods 0.000 claims description 12
- 230000023556 desulfurization Effects 0.000 claims description 12
- 238000005273 aeration Methods 0.000 claims description 10
- 238000007664 blowing Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 15
- 229910052799 carbon Inorganic materials 0.000 description 12
- 238000005406 washing Methods 0.000 description 10
- 239000002253 acid Substances 0.000 description 9
- 239000002351 wastewater Substances 0.000 description 8
- 239000007788 liquid Substances 0.000 description 6
- 238000010612 desalination reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000013505 freshwater Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
- 239000002957 persistent organic pollutant Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000001223 reverse osmosis Methods 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 238000003911 water pollution Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000006065 biodegradation reaction Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000013497 data interchange Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000011033 desalting Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000006385 ozonation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical class O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Water Treatment By Sorption (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The utility model discloses an economical recycling treatment system for circulating sewage, wherein a circulating sewage incoming water pipeline is communicated with an inlet of a circulating sewage pool, an outlet of the circulating sewage pool is communicated with an inlet of an ozone oxidation reactor, a water outlet of the ozone oxidation reactor is communicated with an inlet of a degassing pool, a water outlet of the degassing pool is communicated with an inlet of a biological activated carbon filter, an outlet of the biological activated carbon filter is communicated with an inlet of a middle pool, an outlet of the middle pool is communicated with an inlet of an electric adsorption module through a security filter system, a water outlet of the electric adsorption module is communicated with an inlet of a water production pool, the system can efficiently recycle the circulating water sewage of the power plant at low cost, realizes zero discharge of the circulating water sewage of the power plant, ensures safe and stable operation of a circulating water system, and does not cause secondary pollution to the environment.
Description
Technical Field
The utility model belongs to energy-concerving and environment-protective field relates to an economical circulating water blowdown water recycling processing system.
Background
The national water pollution prevention and control action plan (ten items of water for short) provides that the environment benefit, the economic benefit and the social benefit win more according to the principles of water saving priority, space balance, system management and two-hand force development by taking the improvement of the water environment quality as a core. In order to meet the national requirements on water pollution treatment and water resource protection, high-water-consumption enterprises must vigorously push forward water-saving recycling, greatly reduce fresh water consumption and wastewater discharge, and gradually advance to zero wastewater discharge. Wherein, the water consumption of the power plant accounts for about 20 percent of the total industrial water consumption, and the circulating cooling water system needs to consume 60 to 80 percent of water. The main pollutants influencing the recycling of the circulating water sewage are inorganic salts, so that the zero discharge of the wastewater of the power plant is realized fundamentally, the water treatment work of the power plant is mainly focused on the recycling treatment of the circulating cooling water, and the key for realizing water saving and emission reduction is to select an economic, reliable and efficient inorganic salt removal technical route.
At present, two circulating water recycling ways exist, wherein one way is to use the circulating water as make-up water for a coal conveying, body removing and wet desulphurization system; the other is to further desalt and concentrate the water through reverse osmosis treatment, the fresh water produced by the desalination can replace the fresh water to return to the upstream of the water chain of the whole plant, the concentrated drainage is used for downstream water systems such as desulfurization and the like, but the usage is more complex and the cost is higher, and because organic matters, suspended matters, bacteria, silicic acid compounds and various chemicals added in the circulating water treatment process have stronger pollution to the reverse osmosis membrane, the system is difficult to operate, and the high-efficiency recycling of the circulating water sewage is difficult to realize.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide an economical circulating water blowdown retrieval and utilization processing system, this system can carry out high-efficient recycle to power plant's circulating water blowdown with low costs, realizes power plant's circulating water blowdown's zero release to guarantee circulating water system's safety and stability operation, and can not cause secondary pollution to the environment.
In order to achieve the aim, the economical recycling treatment system for the circulating sewage comprises a circulating sewage incoming water pipeline, a circulating sewage pool, an ozone oxidation reactor, a degassing pool, a biological activated carbon filter, an intermediate pool, an electric adsorption module, a water production pool and a security filter system;
the inlet of the circulating sewage water tank is communicated with the inlet of the circulating sewage water tank, the outlet of the circulating sewage water tank is communicated with the inlet of the ozone oxidation reactor, the water outlet of the ozone oxidation reactor is communicated with the inlet of the degassing water tank, the water outlet of the degassing water tank is communicated with the inlet of the biological activated carbon filter, the outlet of the biological activated carbon filter is communicated with the inlet of the middle water tank, the outlet of the middle water tank is communicated with the inlet of the electric adsorption module through the security filter system, and the water outlet of the electric adsorption module is communicated with the inlet of the water generating tank.
The device also comprises a pickling solution return pipe, a pickling water tank, a pickling water pump, a pickling water inlet main pipe, a pickling solution inlet valve, a concentrated water outlet valve, a flushing sewage draining pipe and a desulfurization process water tank; the water outlet of the electric adsorption module is communicated with the inlet of the pickling water tank through a pickling solution return pipe, the outlet of the pickling water tank is communicated with the inlet of the electric adsorption module through a pickling water pump, a pickling water inlet main pipe and a pickling solution inlet valve, and the outlet of the electric adsorption module is communicated with the inlet of the desulfurization process water tank through a concentrated water outlet valve and a flushing sewage discharge pipe.
The outlet of the circulating sewage water tank is communicated with the ozone oxidation reactor through a water inlet pump, the ozone oxidation reactor is communicated with the degassing water tank through an ozone oxidation water outlet pipeline, and the gas outlet of the degassing water tank is communicated with a degassing water exhaust pipeline.
The ozone tail gas destructor, the ozone generator and the ozone inlet valve are also included; the outlet of the ozone generator is communicated with an ozone inlet at the bottom of the ozone oxidation reactor through an ozone inlet valve, an ozone concentration detector is communicated with a pipeline between the ozone generator and the ozone inlet valve, an air outlet at the top of the ozone oxidation reactor is communicated with an ozone tail gas destructor, and an ozone tail gas monitor is arranged at an air outlet at the top of the ozone oxidation reactor.
The outlet of the aeration fan is communicated with one end of the air blowing-off inlet pipe and one end of the backwashing air inlet pipe through the air inlet pipe main pipe, the other end of the air blowing-off inlet pipe is connected with the aeration device at the bottom of the degassing water tank and passes through the aeration device, and the other end of the backwashing air inlet pipe is communicated with the backwashing air inlet hole at the bottom of the biological activated carbon filter.
The air blowing-off inlet pipe is provided with an air blowing-off inlet valve, and the backwashing air inlet pipe is provided with a backwashing inlet valve.
The water outlet of the degassing water tank is communicated with the inlet of the biological activated carbon filter through the raw water pump, and the outlet of the biological activated carbon filter is communicated with the middle water tank through the water outlet pipeline of the activated carbon filter.
The security filtering system comprises a water producing pump, #1 security filter, a water producing inlet pipe, a water producing inlet valve, a flushing water pump, #2 security filter, a flushing water inlet pipe and a flushing water inlet valve;
the water outlet of the intermediate water tank is communicated with the inlet of the electric adsorption module through a water producing pump, #1 security filter, a water producing water inlet pipe and a water producing water inlet valve, and the flushing water outlet of the intermediate water tank is communicated with the inlet of the electric adsorption module through a flushing water pump, #2 security filter, a flushing water inlet pipe and a flushing water inlet valve.
The outlet of the electro-adsorption module is communicated with the inlet of the water producing pool through a water producing outlet valve and a water producing outlet pipe, and the outlet of the water producing pool is communicated with a water supplementing pipeline of a circulating water system through a water producing recycling water pump.
The utility model discloses following beneficial effect has:
economical circulating water blowdown retrieval and utilization processing system when concrete operation, earlier adopt the ozone-biological activity charcoal technology to carry out the getting rid of organic matter to the circulating water blowdown with the circulating water blowdown, rethread electric adsorption module carries out desalination and retrieval and utilization and treatment, it is specific, take ozonization back active carbon adsorption earlier, utilize the biodegradation effect of active carbon surface growth microorganism, the completion is to the effective getting rid of organic pollutant in the circulating water blowdown, at this in-process, collect ozone oxidation, the disinfection of disinfecting, active carbon physical adsorption and microorganism biological oxidation are as an organic whole, full play materialization and biochemical action, mutual promotion, the realization is got rid of organic pollutant's multiple effect, thereby reach quality of water deep purification's purpose, effectively degrade and get rid of the organic matter in the aquatic, alga and ammonia nitrogen etc. Wherein, there are three main effects in the ozone oxidation stage: on one hand, the organic matter is directly degraded, and the organic load entering an active carbon pool is reduced; on the other hand, macromolecular organic matters are degraded into micromolecular organic matters, the molecular weight distribution of the organic matters in water is changed, the biodegradability of the organic matters in water is improved, and the subsequent activated carbon process is favorable for enhancing the adsorption degradation of the middle and small molecular weight organic matters; the last function is to oxygenate the subsequent active carbon process, ensure sufficient dissolved oxygen in water, and be beneficial to the growth of aerobic microorganisms of the active carbon; in the active carbon adsorption stage, the active carbon has the functions of adsorption, catalyst and chemical reaction active multiple carriers, so that aerobic biocenosis can be dispersed on the surface of the active carbon, and biological active carbon is formed by coating to fully play the synergistic effect of biochemical and physicochemical treatment, thereby prolonging the working period of the active carbon, greatly improving the treatment efficiency and improving the effluent quality. In addition, the ozone-biological activated carbon process is used as pretreatment of the electric adsorption module, so that the content of organic matters in concentrated water in the subsequent electric adsorption module can be effectively reduced, and the safety and feasibility of recycling the concentrated water to the water for the desulfurization process are ensured. In addition, the circulating water sewage treated by the ozone-activated carbon process enters the electric adsorption module through the security filter system to remove inorganic salts, compared with the traditional membrane method and desalting processes such as ion exchange and EDI (electronic data interchange), the electric adsorption has wider salt content adaptation range to the coming water quality, and in actual operation, the design of desalination rate can be carried out according to the recycling requirement of produced water, so that the produced water quality is stable, the industrial circulating reuse water index is met, the water production rate is higher than that of the existing traditional desalination process, the concentrated water quantity is very small, and concentrated water measurement does not concentrate organic matters, and the normal operation of a desulfurization system can be ensured not to be influenced when the concentrated water is used as desulfurization process water.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein, 1 is a circulating sewage inlet pipe, 2 is a circulating sewage pool, 3 is a water inlet pump, 4 is an ozone oxidation reactor, 5 is an ozone oxidation outlet pipe, 6 is a degassing pool, 7 is an ozone generator, 8 is an ozone concentration detector, 9 is an ozone inlet valve, 10 is an ozone tail gas monitor, 11 is an ozone tail gas destructor, 12 is an aeration fan, 13 is an inlet pipe main pipe, 14 is a blow-off inlet pipe, 15 is a blow-off inlet valve, 16 is a degassing water exhaust pipe, 17 is a raw water pump, 18 is a biological activated carbon filter, 19 is an activated carbon filter outlet pipe, 20 is an intermediate pool, 21 is a water production pump, 22 is a #1 security filter, 23 is a water production inlet pipe, 24 is a water production inlet valve, 25 is an electro-adsorption module, 26 is a water production outlet valve, 27 is a water production outlet pipe, 28 is a water production pool, 29 is a water production recycling water pump, 30 is a circulating water system water replenishing pipe, and, 31 is a rinse water pump, 32 is a #2 cartridge filter, 33 is a rinse water inlet pipe, 34 is a rinse water inlet valve, 35 is a concentrate outlet valve, 36 is a rinse sewage drain pipe, 37 is a desulfurization process water tank, 38 is a pickling tank, 39 is a pickling water pump, 40 is a pickling water inlet main pipe, 41 is a pickling water inlet valve, 42 is a pickling water return valve, 43 is a pickling water return pipe, 44 is a backwash air inlet pipe, and 45 is a backwash air inlet valve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
referring to fig. 1, the economical recycling treatment system for circulating sewage of the present invention comprises a circulating sewage incoming water pipeline 1, a circulating sewage pool 2, an ozone oxidation reactor 4, a degassing pool 6, a biological activated carbon filter 18, an intermediate pool 20, an electro-adsorption module 25, a water production pool 28 and a security filter system; the circulating sewage inlet pipeline 1 is communicated with an inlet of a circulating sewage pool 2, an outlet of the circulating sewage pool 2 is communicated with an inlet of an ozone oxidation reactor 4, a water outlet of the ozone oxidation reactor 4 is communicated with an inlet of a degassing pool 6, a water outlet of the degassing pool 6 is communicated with an inlet of a biological activated carbon filter 18, an outlet of the biological activated carbon filter 18 is communicated with an inlet of an intermediate pool 20, an outlet of the intermediate pool 20 is communicated with an inlet of an electro-adsorption module 25 through a security filter system, and a water outlet of the electro-adsorption module 25 is communicated with an inlet of a water production pool 28.
The utility model also comprises a pickling solution return pipe 43, a pickling water tank 38, a pickling water pump 39, a pickling water inlet main pipe 40, a pickling solution inlet valve 41, a concentrated water outlet valve 35, a flushing sewage discharge pipe 36 and a desulfurization process water tank 37; the water outlet of the electric adsorption module 25 is communicated with the inlet of the pickling water tank 38 through a pickling solution return pipe 43, the outlet of the pickling water tank 38 is communicated with the inlet of the electric adsorption module 25 through a pickling water pump 39, a pickling water inlet main pipe 40 and a pickling solution inlet valve 41, and the outlet of the electric adsorption module 25 is communicated with the inlet of the desulfurization process water tank 37 through a concentrated water outlet valve 35 and a flushing sewage discharge pipe 36.
The outlet of the circulating sewage water tank 2 is communicated with an ozone oxidation reactor 4 through a water inlet pump 3, the ozone oxidation reactor 4 is communicated with a degassing water tank 6 through an ozone oxidation water outlet pipeline 5, and the gas outlet of the degassing water tank 6 is communicated with a degassing water exhaust pipeline 16.
The utility model also comprises an ozone tail gas destructor 11, an ozone generator 7 and an ozone inlet valve 9; the outlet of the ozone generator 7 is communicated with the ozone inlet at the bottom of the ozone oxidation reactor 4 through an ozone inlet valve 9, the pipeline between the ozone generator 7 and the ozone inlet valve 9 is communicated with an ozone concentration detector 8, the gas outlet at the top of the ozone oxidation reactor 4 is communicated with an ozone tail gas destructor 11, and the gas outlet at the top of the ozone oxidation reactor 4 is provided with an ozone tail gas monitor 10.
The outlet of the aeration fan 12 is communicated with one end of a stripping air inlet pipe 14 and one end of a backwashing air inlet pipe 44 through an air inlet pipe main pipe 13, the other end of the stripping air inlet pipe 14 is connected with an aeration device at the bottom of the degassing water tank 6 for passing through, and the other end of the backwashing air inlet pipe 44 is communicated with a backwashing air inlet hole at the bottom of the biological activated carbon filter 18.
The air stripping air inlet pipe 14 is provided with an air stripping air inlet valve 15, and the backwashing air inlet pipe 44 is provided with a backwashing air inlet valve 45; the water outlet of the degassing water tank 6 is communicated with the inlet of a biological activated carbon filter 18 through a raw water pump 17, and the outlet of the biological activated carbon filter 18 is communicated with an intermediate water tank 20 through an activated carbon filter water outlet pipeline 19.
The security filtering system comprises a water producing pump 21, #1 security filter 22, a water producing inlet pipe 23, a water producing inlet valve 24, a flushing water pump 31, #2 security filter 32, a flushing water inlet pipe 33 and a flushing water inlet valve 34; the water outlet of the intermediate reservoir 20 is communicated with the inlet of the electro-adsorption module 25 through a water production pump 21, #1 cartridge filter 22, a water production inlet pipe 23 and a water production inlet valve 24, and the flushing water outlet of the intermediate reservoir 20 is communicated with the inlet of the electro-adsorption module 25 through a flushing water pump 31, #2 cartridge filter 32, a flushing water inlet pipe 33 and a flushing water inlet valve 34.
The outlet of the electro-adsorption module 25 is communicated with the inlet of a water producing pool 28 through a water producing outlet valve 26 and a water producing outlet pipe 27, and the outlet of the water producing pool 28 is communicated with a water replenishing pipeline 30 of a circulating water system through a water producing reuse water pump 29.
The utility model discloses a concrete working process does:
1) circulating sewage is discharged into a circulating sewage pool 2 through a circulating sewage inlet pipeline 1 to be collected, buffered and kept stand, and then enters an ozone contact oxidation column at the bottom of an ozone oxidation reactor 4 through a water inlet pump 3, the ozone contact oxidation column adopts a mode of upward and cocurrent flow of gas and water, ozone prepared by an ozone generator 7 is used for aerating wastewater through a titanium plate micropore gas distribution plate on a support plate in the ozone oxidation reactor 4, and then is discharged into an ozone tail gas destructor 11 from the top of the ozone oxidation reactor 4 to be treated and then discharged harmlessly;
2) the effluent output by the ozone generator 7 enters a degassing water tank 6, a disc aeration head is arranged at the bottom of the degassing water tank 6, and air is blown into the water through the disc aeration head to blow off residual ozone in the wastewater and reduce dissolved oxygen of the ozone effluent;
3) the water output from the degassing water tank 6 enters the biological activated carbon filter 18 from the bottom of the biological activated carbon filter 18, overflows from a clean water area at the upper part of the biological activated carbon filter 18 and enters an intermediate water tank 20 for collection;
when water is produced, the water production pump 21 is started, the water production inlet valve 24 is opened, the flushing water inlet valve 34 and the pickling solution inlet valve 41 are closed, water in the intermediate water tank 20 is input into the #1 security filter 22 to be filtered and then enters the electro-adsorption module 25 through the water production inlet valve 24, wastewater to be treated flows between the anode and the cathode in the electro-adsorption module 25, and finally, desalted water enters the water production tank 28 through the water production outlet pipe 27; the produced water in the water producing tank 28 is supplemented back to a water supplementing pipeline 30 of the circulating water system through a produced water recycling water pump 29 to be used as supplemented water for recycling;
when sewage is discharged, a flushing water inlet valve 34 is opened, a water production inlet valve 24 and a pickling solution inlet valve 41 are closed, a positive electrode and a negative electrode in the electric adsorption module 25 are in short circuit, a direct current electric field disappears, a flushing water pump 31 is started, water in the intermediate water tank 20 is sent into a #2 security filter 32 to be filtered and then enters the electric adsorption module 25 through the flushing water inlet valve 34, flushing water flows between the positive electrode and the negative electrode, desorbed particles in a channel are flushed out to generate concentrated water, and the concentrated water enters a desulfurization process water tank 37 through a flushing sewage discharge pipe 36 through a concentrated water outlet valve 35 for gradient utilization;
when in acid washing, the acid washing liquid inlet valve 41 is opened, the flushing water inlet valve 34 and the water production inlet valve 24 are closed, the acid washing water pump 39 is started, acid washing liquid in the acid washing water tank 38 enters the electric adsorption module 25 through the acid washing liquid inlet valve 41 to wash a water flow channel of the electric adsorption module 25, and waste liquid after washing returns to the acid washing water tank 38 through the acid washing liquid return valve 42 and the acid washing liquid return pipe 43 to be recycled.
It should be noted that, the utility model discloses the used raw and other materials of well active carbon are extensive, and the low price is more than 50% to organic pollutant's clearance, improves 15 ~ 20 percentage points than conventional processing, can realize simultaneously the removal to colourity, smell flavor, ammonia nitrogen, P and iron, manganese.
The utility model discloses can effectively get rid of the salt of dirty circulating water blowdown aquatic, the process route is concise, has higher resistant pollution ability, has improved the retrieval and utilization ability of circulating water blowdown water, reduces substantially the fresh water consumption and the waste water discharge of thermal power plant to for thermal power plant realizes that the waste water zero release of whole factory has solved the key problem, great economy and social have.
Claims (9)
1. An economical recycling treatment system for circulating sewage, which is characterized by comprising a circulating sewage inlet pipeline (1), a circulating sewage pool (2), an ozone oxidation reactor (4), a degassing pool (6), a biological activated carbon filter (18), an intermediate pool (20), an electric adsorption module (25), a water production pool (28) and a security filter system;
the circulating sewage inlet pipeline (1) is communicated with the inlet of a circulating sewage pool (2), the outlet of the circulating sewage pool (2) is communicated with the inlet of an ozone oxidation reactor (4), the water outlet of the ozone oxidation reactor (4) is communicated with the inlet of a degassing pool (6), the water outlet of the degassing pool (6) is communicated with the inlet of a biological activated carbon filter (18), the outlet of the biological activated carbon filter (18) is communicated with the inlet of a middle pool (20), the outlet of the middle pool (20) is communicated with the inlet of an electric adsorption module (25) through a security filter system, and the water outlet of the electric adsorption module (25) is communicated with the inlet of a water production pool (28).
2. The economical recycling treatment system for sewage from circulating water of claim 1, further comprising a pickling solution return pipe (43), a pickling water tank (38), a pickling water pump (39), a pickling water inlet main pipe (40), a pickling solution water inlet valve (41), a concentrated water outlet valve (35), a flushing sewage pipe (36) and a desulfurization process water tank (37); the water outlet of the electric adsorption module (25) is communicated with the inlet of the pickling water tank (38) through a pickling solution return pipe (43), the outlet of the pickling water tank (38) is communicated with the inlet of the electric adsorption module (25) through a pickling water pump (39), a pickling water inlet main pipe (40) and a pickling solution inlet valve (41), and the outlet of the electric adsorption module (25) is communicated with the inlet of the desulfurization process water tank (37) through a concentrated water outlet valve (35) and a flushing sewage discharge pipe (36).
3. The economical recycling treatment system for the recycled sewage of claim 1, wherein the outlet of the recycled sewage pool (2) is communicated with the ozone oxidation reactor (4) through the water inlet pump (3), the ozone oxidation reactor (4) is communicated with the degassing pool (6) through the ozone oxidation water outlet pipeline (5), and the gas outlet of the degassing pool (6) is communicated with the degassing water exhaust pipeline (16).
4. The economical recycling treatment system for sewage from circulating water as in claim 1, further comprising an ozone tail gas destructor (11), an ozone generator (7) and an ozone inlet valve (9); an outlet of the ozone generator (7) is communicated with an ozone inlet at the bottom of the ozone oxidation reactor (4) through an ozone inlet valve (9), an ozone concentration detector (8) is communicated on a pipeline between the ozone generator (7) and the ozone inlet valve (9), an air outlet at the top of the ozone oxidation reactor (4) is communicated with an ozone tail gas destructor (11), and an ozone tail gas monitor (10) is arranged at an air outlet at the top of the ozone oxidation reactor (4).
5. The economical recycling treatment system for sewage discharged from circulating water according to claim 1, wherein the outlet of the aeration fan (12) is communicated with one end of the air blowing-off inlet pipe (14) and one end of the backwashing air inlet pipe (44) through the air inlet pipe main pipe (13), the other end of the air blowing-off inlet pipe (14) is communicated with the aeration device at the bottom of the degassing water tank (6), and the other end of the backwashing air inlet pipe (44) is communicated with the backwashing air inlet hole at the bottom of the biological activated carbon filter (18).
6. The economical recycling treatment system for sewage discharged from circulating water according to claim 1, wherein the air inlet pipe (14) is provided with an air inlet valve (15) for blowing, and the air inlet pipe (44) for backwashing is provided with an air inlet valve (45) for backwashing.
7. The economical recycling treatment system for sewage discharged from circulating water according to claim 1, wherein the water outlet of the degassing water tank (6) is communicated with the inlet of the biological activated carbon filter (18) through the raw water pump (17), and the outlet of the biological activated carbon filter (18) is communicated with the intermediate water tank (20) through the water outlet pipeline (19) of the activated carbon filter.
8. The economical recycling treatment system for sewage from circulating water according to claim 1, wherein the security filter system comprises a water producing pump (21), #1 security filter (22), a water producing inlet pipe (23), a water producing inlet valve (24), a flushing water pump (31), #2 security filter (32), a flushing water inlet pipe (33) and a flushing water inlet valve (34);
the water production outlet of the intermediate water tank (20) is communicated with the inlet of the electric adsorption module (25) through a water production pump (21), #1 cartridge filter (22), a water production inlet pipe (23) and a water production inlet valve (24), and the flushing water outlet of the intermediate water tank (20) is communicated with the inlet of the electric adsorption module (25) through a flushing water pump (31), #2 cartridge filter (32), a flushing water inlet pipe (33) and a flushing water inlet valve (34).
9. The economical recycling treatment system for sewage discharged from circulating water according to claim 1, wherein the outlet of the electro-adsorption module (25) is communicated with the inlet of the water production tank (28) through a water production outlet valve (26) and a water production outlet pipe (27), and the outlet of the water production tank (28) is communicated with a water replenishing pipeline (30) of the circulating water system through a water production recycling pump (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021331049.2U CN212403797U (en) | 2020-07-08 | 2020-07-08 | Economical circulating water blowdown water recycling treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021331049.2U CN212403797U (en) | 2020-07-08 | 2020-07-08 | Economical circulating water blowdown water recycling treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212403797U true CN212403797U (en) | 2021-01-26 |
Family
ID=74404982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021331049.2U Active CN212403797U (en) | 2020-07-08 | 2020-07-08 | Economical circulating water blowdown water recycling treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212403797U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111762930A (en) * | 2020-07-08 | 2020-10-13 | 华能国际电力股份有限公司 | Economical recycling treatment system and method for circulating water and sewage |
-
2020
- 2020-07-08 CN CN202021331049.2U patent/CN212403797U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111762930A (en) * | 2020-07-08 | 2020-10-13 | 华能国际电力股份有限公司 | Economical recycling treatment system and method for circulating water and sewage |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101205109B (en) | Apparatus for treating chemical fiber waste water by anaerobic method | |
| CN110422964A (en) | A kind of chemical industrial park wastewater deep treatment process method | |
| CN203307175U (en) | Deep coking wastewater treatment device by using advanced oxidation process combined with membrane bioreactor | |
| CN101708935A (en) | Method for treating container washing wastewater | |
| CN110713314A (en) | Method for treating landfill leachate | |
| CN211226806U (en) | Zero release processing system of cosmetics waste water | |
| CN217947891U (en) | Kitchen garbage effluent disposal system | |
| CN111847796A (en) | System and method for treating leachate of waste incineration plant | |
| CN212403797U (en) | Economical circulating water blowdown water recycling treatment system | |
| CN210176665U (en) | Electrocatalytic oxidation treatment system for domestic sewage | |
| CN205061784U (en) | Treatment of domestic sewage recycling system | |
| CN107935300B (en) | Process device and method for treating landfill leachate by non-membrane method | |
| CN212293239U (en) | Leachate treatment system for waste incineration plant | |
| CN217809125U (en) | Automatic processing system of quick-acting denitrogenation resin regeneration waste liquid of control | |
| CN206318834U (en) | Electroplating wastewater integrated approach and recovery system | |
| CN213596069U (en) | Water treatment device combining ozone tail gas with ceramic membrane | |
| CN210103707U (en) | Chlor-alkali chemical mother liquor water treatment and recycling system | |
| CN204310916U (en) | Petrochemical wastewater advanced treatment system | |
| CN111762930A (en) | Economical recycling treatment system and method for circulating water and sewage | |
| CN210261455U (en) | Intensive modular combined aquaculture tail water treatment system | |
| CN110054353B (en) | Garbage incineration power generation leachate treatment system | |
| CN101070218A (en) | Neutralization-free furfural wastewater biochemical treatment process | |
| CN208218511U (en) | The processing unit of high-concentration sewage | |
| CN102358675A (en) | Printing and dyeing wastewater recycling and treating system | |
| CN105174565B (en) | Acrylic fiber wastewater deep treatment method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |