CN212655601U - Movable sewage emergency treatment equipment - Google Patents
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- CN212655601U CN212655601U CN202021449087.8U CN202021449087U CN212655601U CN 212655601 U CN212655601 U CN 212655601U CN 202021449087 U CN202021449087 U CN 202021449087U CN 212655601 U CN212655601 U CN 212655601U
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Abstract
The utility model discloses portable sewage emergency treatment equipment, including container and the flocculation basin, sedimentation tank, membrane pool, the system of receiving filtration, receive the water tank that strains, breakpoint chlorination pond, clean water basin and the active carbon filtration jar that are located the container and communicate in proper order, set up lifting means and dosing equipment before the flocculation basin, receive and be equipped with elevator pump one and pipeline mixer between water tank and the breakpoint chlorination pond, the export of sodium hypochlorite dosing system communicates with the entry of pipeline mixer, be equipped with a plurality of ceramic diaphragms in the membrane pool, set up a plurality of tubular nanofiltration membranes in the nanofiltration basin; the utility model discloses sewage emergency treatment technology adopts mobilizable sewage emergency treatment equipment to carry out sewage treatment. The device does not need field assembly, is convenient to move, can be quickly put into use, has stable water outlet index, and is suitable for emergency treatment of sewage.
Description
Technical Field
The utility model belongs to the sewage treatment field, concretely relates to domestic sewage emergency treatment equipment.
Background
Strategic reserves of emergency treatment equipment should be one of the main items in municipal and civil disaster relief planning. In the case of earthquakes, each site generates a large amount of domestic sewage every day. If the domestic sewage is directly discharged into nearby water bodies without treatment, on one hand, the domestic sewage pollutes the water source of drinking water and is not beneficial to drinking water safety; on the other hand, the method can cause pollution to local water environment, even cause disease transmission in serious conditions, and is not beneficial to epidemic prevention in disaster areas. Taking tourist attractions as an example, the daily sewage production amount is relatively stable, but once the tourist attractions enter golden weeks, holidays, busy tourist seasons and the like, the sewage amount of the tourist attractions exceeds twice of the ordinary sewage amount, so that the effluent seriously exceeds the standard, and nearby water bodies can be polluted. In order to treat domestic sewage at a place or a tourist attraction, corresponding sewage emergency treatment equipment needs to be built in a short time.
The existing sewage emergency treatment equipment generally adopts a traditional activated sludge treatment method or a conventional primary treatment method. The above apparatus and processing method have the following disadvantages: 1. the adoption of the activated sludge treatment method needs longer debugging time and cannot be put into use quickly, so that emergency is difficult; (2) the activated sludge process is greatly affected by temperature, so the treatment effect is not good, and especially the treatment effect in winter is worse; (3) most of the conventional primary treatment methods aim at SS and total phosphorus indexes, but almost can not control COD, ammonia nitrogen and total nitrogen indexes, and the problem of eutrophication still can not be solved when the wastewater is discharged into a receiving water body; (4) the equipment needs to be assembled on site and is inconvenient to move. The above disadvantages severely limit the application of emergency sewage treatment equipment in emergency situations.
Therefore, there is an urgent need for an emergency sewage treatment apparatus that can solve the above problems.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a sewage emergency treatment equipment, it need not the field assembly, and convenient the removal can drop into use fast, and the index of going out water is stable, is applicable to sewage emergency treatment.
The utility model discloses a movable sewage emergency treatment device, which comprises a container, and a flocculation tank, a sedimentation tank, a membrane tank, a nanofiltration system, a nanofiltration water tank, a break point chlorination tank, a clean water tank and an active carbon filtration tank which are positioned in the container and are sequentially communicated, wherein a sodium hypochlorite dosing system, a dephosphorization agent dosing system and a coagulant aid dosing system are also arranged in the container; the inlet of the flocculation tank is connected with a water inlet pipeline, the dephosphorization agent dosing system is connected into the flocculation tank through a dephosphorization agent dosing pipe, and the coagulant aid dosing system is connected into the flocculation tank through a coagulant aid dosing pipe; a plurality of membrane assemblies are arranged in the membrane tank, an air inlet of the membrane tank is connected with an aeration system, a self-priming pump is arranged between a sewage outlet of the membrane tank and an inlet of the nanofiltration system, an inlet of the self-priming pump is connected with a sewage outlet of the membrane tank, and an outlet of the self-priming pump is connected with an inlet of the nanofiltration system; the nanofiltration system is internally provided with a plurality of tubular nanofiltration membranes and booster pumps, and the nanofiltration system is communicated with the nanofiltration water tank through a pipeline; a first lifting pump and a pipeline mixer are arranged between the nanofiltration water tank and the break point chlorination tank; the outlet of the sodium hypochlorite dosing system is communicated with the inlet of the pipeline mixer; a second lifting pump is arranged between the clean water tank and the activated carbon filter tank; and an outlet of the activated carbon filter tank is connected with a discharge pipeline.
The utility model discloses mobilizable sewage emergency treatment equipment, wherein, the membrane module adopts ceramic diaphragm.
The utility model discloses mobilizable sewage emergency treatment equipment, wherein, the sedimentation tank is the vertical flow sedimentation tank.
The utility model discloses mobilizable sewage emergency treatment equipment, wherein, through water pipeline intercommunication, the one end of water pipeline and the exit linkage of flocculation basin, the other end of water pipeline and the entry linkage of sedimentation tank between flocculation basin and the sedimentation tank.
The utility model discloses mobilizable sewage emergency treatment equipment, wherein, through water gap intercommunication between breakpoint chlorination pond and the clean water basin.
The utility model discloses mobilizable sewage emergency treatment equipment, wherein, be provided with the mixer in the flocculation basin, all be provided with the mixer in the dephosphorization medicament charge system, in the coagulant aid charge system and add the medicine measuring pump.
The utility model discloses mobilizable sewage emergency treatment equipment, wherein, place in the elevator pump in one and receive in the water tank, under the entry of elevator pump one submerged the water level of receiving the water tank, the export of elevator pump one links to each other through the entry of elevator pipe way one with the breakpoint chlorination pond, and the pipe-line mixer sets up on elevator pipe way one.
The utility model discloses mobilizable sewage emergency treatment equipment, wherein, place the clean water basin in the elevator pump two in, under the entry of elevator pump two submerged the water level in clean water basin, the entry that the export of elevator pump two passes through elevator pipe way two and active carbon canister links to each other.
The utility model discloses a theory of operation does: the flocculation tank adopts a mixed reaction of a medicament and sewage to remove suspended matters, partial COD and total phosphorus substances; the membrane assemblies in the membrane pool adopt ceramic membranes, and COD (chemical oxygen demand) and SS (suspended solids) and total phosphorus flocs which are not removed at the front end precipitate are removed again by utilizing the interception action of the ceramic membranes and the nanofiltration membranes; the sewage and the medicament are mixed by adopting the pipeline mixer, so that the sewage and the medicament can quickly and uniformly react to realize denitrification; the setting of active carbon canister can adsorb the chlorine residue, reduces the residual chlorine concentration of emission, has avoided the influence of residual chlorine, excessive COD to receiving the water.
Compared with the prior art, the utility model discloses mobilizable sewage emergency treatment equipment, with the flocculation basin, the sedimentation tank, the membrane tank, receive the filtration system, receive the water tank, the breakpoint adds the chlorine pond, clean water basin and active carbon filtration jar, sodium hypochlorite charge system, dephosphorization medicament charge system, coagulant aid charge system is whole integrated to in the container, need not field assembly during the use, convenient the removal, can drop into the use fast, domestic sewage is flocculated through the flocculation basin, the sedimentation tank deposits, ceramic membrane in the membrane tank filters, the filtration system is filtered the separation once more of receiving, the breakpoint adds the filtering pond and removes total nitrogen, the active carbon filtration jar removes residual chlorine, utilize physics and chemical reaction's combination to handle domestic sewage, the water index is stable, do not adopt activated sludge process nitrogen and phosphorus removal to handle sewage, do not receive the temperature influence, be applicable to sewage emergency treatment.
The movable sewage emergency treatment equipment and the process of the utility model are further explained with the attached drawings.
Drawings
FIG. 1 is a plan view of the mobile emergency sewage treatment apparatus of the present invention;
FIG. 2 is a process flow diagram of the present invention;
wherein: 1. a flocculation tank; 2. a sedimentation tank; 3. a membrane tank; 4. a nanofiltration system; 5. a nanofiltration water tank; 6. a breakpoint chlorination tank; 7. A clean water tank; 8. an activated carbon canister; 9. a sodium hypochlorite dosing system; 10. an aeration system; 11. a phosphorus removal medicament dosing system; 12. A coagulant aid dosing system; 13. a self-priming pump; 14. a first lifting pump; 15. a second lifting pump; 16. a pipeline mixer; 17. an external conditioning tank; 20. a container; 101. a water inlet pipeline; 102. a water passing pipeline; 601. a water outlet; 801. a discharge line; 901. A sodium hypochlorite dosing tube; 1001. an air tube; 1101. a phosphorus removing agent feeding pipe; 1201. a coagulant aid dosing pipe; 1401. lifting a pipeline I; 1501. lifting a pipeline II; 2001. and a door.
Detailed Description
As shown in fig. 1 and fig. 2, the mobile sewage emergency treatment device of the present invention comprises a container 20, and a flocculation tank 1, a sedimentation tank 2, a membrane tank 3, a nanofiltration system 4, a nanofiltration water tank 5, a break point chlorination tank 6, a clear water tank 7 and an activated carbon canister 8 which are sequentially connected in series and communicated with each other and are positioned in the container 20, wherein a door 2001 of the container 20 is arranged on one side, and a sodium hypochlorite dosing system 9, a dephosphorization agent dosing system 11 and a coagulant aid dosing system 12 are further arranged in the container 20; be provided with the mixer in the flocculation basin 1, the entry linkage of flocculation basin 1 has water intake pipe 101, through water pipeline 102 intercommunication between flocculation basin 1 and the sedimentation tank 2, the one end of water pipeline 102 and the exit linkage of flocculation basin 1, the other end of water pipeline 102 and the entry linkage of sedimentation tank 2, sedimentation tank 2 adopts vertical sedimentation tank, and the bottom of sedimentation tank 2 is connected with mud pipeline 201.
As shown in fig. 1 and 2, a phosphorus removal agent dosing system 11 is connected into a flocculation tank 1 through a phosphorus removal agent dosing pipe 1101, a coagulant aid dosing system 12 is connected into the flocculation tank 1 through a coagulant aid dosing pipe 1201, a stirrer and dosing metering pumps are arranged in the phosphorus removal agent dosing system 11 and the coagulant aid dosing system 12, the phosphorus removal agent is pumped into the flocculation tank 1 through the phosphorus removal agent dosing pipe 1101 by the dosing metering pumps in the phosphorus removal agent dosing system, and the coagulant aid is pumped into the flocculation tank 1 through the coagulant aid dosing pipe 1201 by the dosing metering pumps in the coagulant aid dosing system.
The membrane pool 3 is provided with a plurality of membrane components which adopt ceramic membranes. As shown in fig. 1 and 2, an air inlet of the membrane tank 3 is connected with an aeration system 10 through an air pipe 1001, a self-priming pump 13 is arranged between a sewage outlet of the membrane tank 3 and an inlet of the nanofiltration system 4, an inlet of the self-priming pump 13 is connected with a sewage outlet of the membrane tank 3, and an outlet of the self-priming pump 13 is connected with an inlet of the nanofiltration system 4; the self-priming pump sends sewage into the nanofiltration system 4 from the membrane tank 3 in an extraction mode, meanwhile, the aeration system 10 washes the ceramic membrane in the membrane tank 3, and the surface of the ceramic membrane is washed with clean water for 2-3 times in one year.
As shown in fig. 1 and 2, a plurality of tubular nanofiltration membranes and booster pumps are arranged in the nanofiltration system 4, and the nanofiltration system 4 is communicated with the nanofiltration water tank 5 through a pipeline; a first lifting pump 14 and a pipeline mixer 16 are arranged between the nanofiltration water tank 5 and the break point chlorination tank 6; the first lifting pump 14 is arranged in the nanofiltration water tank 5, the inlet of the first lifting pump 14 is submerged below the water level of the nanofiltration water tank 5, the outlet of the first lifting pump 14 is connected with the inlet of the break-point chlorination tank 6 through a first lifting pipeline 1401, and the pipeline mixer 16 is arranged on the first lifting pipeline 1401; the outlet of the sodium hypochlorite dosing system 9 is communicated with the inlet of the pipeline mixer 16 through a sodium hypochlorite dosing pipe 901. The sewage in the nanofiltration water tank 5 is lifted by the first lifting pump 14 and is mixed with sodium hypochlorite in the sodium hypochlorite dosing system 9 in the pipeline mixer 16, so that the contact area of the medicament and the sewage is increased, the reaction time is prolonged, and the reaction is more sufficient.
As shown in fig. 1 and fig. 2, the break point chlorination tank 6 is communicated with the clean water tank 7 through a water passing port 601; a second lifting pump 15 is arranged between the clean water tank 7 and the activated carbon filter tank 8, the second lifting pump 15 is arranged in the clean water tank 7, the inlet of the second lifting pump 15 is submerged below the water level of the clean water tank 7, the outlet of the second lifting pump 15 is connected with the inlet of the activated carbon filter tank 8 through a second lifting pipeline 1501, and the outlet of the activated carbon filter tank 8 is connected with a discharge pipeline 801.
The utility model discloses in, the tubular is received the filter membrane and is regularly washed, and it has automatic control to receive inside the filtration system.
An electric control cabinet can be arranged in the equipment container to control the start and stop of each pump, the stirrer and the fan.
The utility model discloses the theory of operation is: the flocculation tank, the sedimentation tank and the membrane tank of the utility model run in a way of flowing along the way, a self-priming pump is adopted between the membrane tank and the nanofiltration system to pump the water to a middle water tank in the nanofiltration system in a negative pressure way, and then the water flows into the nanofiltration water tank after being conveyed to the nanofiltration system by the booster pump; the overflowing of the nanofiltration water tank and the break point chlorination tank is lifted by a lifting pump, mixed with the medicament added by the pipeline mixer, flowed into a clean water tank, lifted by the lifting pump to an active carbon filter tank and discharged.
In the utility model, the flocculation tank adopts the mixing reaction of the medicament and the sewage to remove suspended matters, partial COD and total phosphorus substances; the membrane pool is provided with a plurality of membrane components which adopt ceramic membranes, and COD, SS (suspended solid) and total phosphorus floc which are not removed by front-end sediment are removed again by utilizing the interception action of the ceramic membranes and the nanofiltration membranes; the sewage and the medicament are mixed by adopting the pipeline mixer, so that the sewage and the medicament can quickly and uniformly react to realize denitrification; the arrangement of the activated carbon filter tank can adsorb residual chlorine, so that the concentration of the discharged residual chlorine is reduced; after the whole process is linked, the effluent indexes of COD, ammonia nitrogen, total phosphorus and SS can reach the effluent standard of the Beijing market landmark B.
As shown in figure 2, the sewage emergency treatment device which can move is adopted to treat sewage, and comprises the following steps:
the method comprises the following steps: domestic sewage flows into an external regulating tank through a grid tank by a pipeline, enters the flocculation tank 1 from the external regulating tank by a lift pump, reacts with a dephosphorizing agent conveyed by a dephosphorizing agent dosing system 11 and a coagulant aid conveyed by a coagulant aid dosing system 12, and flows into a sedimentation tank 2 to remove large granular impurities, SS, partial COD and total phosphorus substances, so as to obtain first treated water;
step two: the first treated water is sent into a membrane tank 3 through a sedimentation tank for filtration to obtain second treated water;
step three: feeding the second treated water into a nanofiltration system 4 for removing COD again, and obtaining third treated water by adopting a negative pressure pumping mode of a self-sucking pump 13 in the conveying process;
step four: sending the third treated water into a nanofiltration water tank 5, sending the third treated water into a breakpoint chlorination tank 6 by lifting, and in the lifting process, lifting by adopting a first lifting pump 14 to enable the third treated water to flow into a pipeline mixer 16, and carrying out mixed reaction with sodium hypochlorite conveyed in a sodium hypochlorite dosing system 9 to remove total nitrogen to obtain fourth treated water;
step five: and (3) delivering the fourth treated water into a clean water tank 7, lifting the fourth treated water into an activated carbon filter tank 8 for further adsorption of residual chlorine, delivering the fourth treated water into the activated carbon filter tank by using a second lifting pump 15 during lifting, and adsorbing the residual chlorine to obtain fifth treated water which is discharged through a discharge pipeline.
In the first step, the sludge in the sedimentation tank 2 is discharged into an external adjusting tank or a sludge tank through a sludge pipeline 201 for periodic outward transportation treatment. In the third step, the nanofiltration system is connected with a concentrated water pipeline 1701, and the outlet of the concentrated water pipeline is connected to an external adjusting tank 17.
In the first step, flocs formed by the reaction are settled to the bottom of the sedimentation tank 2, and the clear water at the upper part of the sedimentation tank 2 is the first treated water; in the second step, the first treated water is sent into a membrane tank 3 for filtration, at the moment, fine particle flocs are further intercepted, partial COD, suspended substances and formed phosphorus-containing flocs are further removed, the COD, the suspended substances and the formed phosphorus-containing flocs are pumped out through a self-priming pump 13, and meanwhile, the membrane surface is washed by an aeration device 10, so that second treated water is obtained; in the third step, the second treated water is sent into a nanofiltration system 4 to remove the rest part of COD again to obtain third treated water; in the fourth step, the third treated water is sent into a nanofiltration water tank 5 and is sent into a breakpoint chlorination tank through lifting, in the lifting process, a first lifting pump 14 is adopted to lift the third treated water to a pipeline mixer 16, the third treated water is mixed with a medicament conveyed in a sodium hypochlorite dosing system 9 to carry out ammonia nitrogen oxidation, nitrogen is formed, and the nitrogen escapes to obtain fourth treated water; and step five, sending the obtained fourth treated water into a clean water tank 7, and entering an activated carbon filter tank 8 through a second lift pump 15 for further adsorption of residual chlorine and the like, so that the fifth treated water meets the requirement of the emission standard.
The utility model discloses mobilizable sewage emergency treatment equipment mainly is applicable to the sewage treatment station of holiday sewage total amount sudden increase such as municipal disaster relief and tourist attraction, still is applicable to the local domestic sewage's of the nervous place of land resource or no sewage treatment equipment's local treatment.
The utility model has the advantages as follows:
firstly, the equipment is movable: because of equipment integration to the container in, during the use, with equipment hoist and mount transportation to scene, the pump is put into outside equalizing basin and can be operated.
Secondly, the temperature is not influenced: because the equipment is the combination of physical reaction and chemical reaction, and the temperature is not a restriction factor in the conditions of the physical reaction and the chemical reaction used in the mechanism, compared with the condition that the nitrogen and phosphorus removal effect of the activated sludge in the biochemical treatment process is greatly influenced by the temperature, the method has great advantages.
Thirdly, stable water outlet index, short flow, good effect and low energy consumption:
1. because this equipment adopts physics to damps (membrane cisterna, receive filtration system, active carbon filtration jar) and chemical reaction (flocculation, breakpoint and strain), the effect that physics damps can be fine dams granule or tiny pollutant, adsorbs organic substance etc. and the flocculation process can be fine reacts phosphorus-containing substance and form the floc, helps subsiding and getting rid of, oxidizes ammonia nitrogen-containing substance, forms nitrogen gas and releases in the air. In order to realize the standard reaching of the effluent index, the adding amount of the medicament can be calculated so as to control the reaction process; meanwhile, the stability of the process operation can be realized by controlling the stability of the water inflow.
2. The indexes of COD, ammonia nitrogen, total phosphorus, SS and the like are controlled within the range of landmark B by adopting the organic combination of five parts of flocculation, sedimentation, membrane tank filtration, nanofiltration, secondary filtration and separation, breakpoint addition and filtration for removing total nitrogen, an activated carbon filter tank and the like, and the process is short.
3. Taking the 50 tons/day equipment as an example, the installed power is 6.09 kilowatts, and the installed power of the equipment for the biological treatment process is about 12 kilowatts to realize the effluent index, so the equipment has low cost compared with the biological treatment process equipment.
The following examples illustrate the water outlet effect of the present invention: the sewage inflow index of a certain living area is as shown in the table I, the pretreatment process comprises an oil separation tank, a septic tank and an adjusting tank, the rear end of the pretreatment process is connected with movable sewage emergency treatment equipment, and after the pretreatment process is operated for 3 hours, the water outlet effect of the equipment is as shown in the table II, and the following units are mg/L:
table one:
| COD | ammonia nitrogen | TP | TN | SS | PH | |
| Water inflow index | 425 | 68.4 | 6.5 | 72.3 | 163 | 6-9 |
| Index of water discharge | 15.6 | ＜0.01 | 0.15 | 2.3 | 1 | 6-9 |
Table two:
can know from table one, the utility model discloses mobilizable sewage emergency treatment equipment conventional index has reached landmark B standard (DB 11/307) and has increased charge 2013, can know from table two, the utility model discloses mobilizable sewage emergency treatment equipment sewage treatment effect is superior to with traditional emergency treatment equipment and technology.
The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (8)
1. The utility model provides a mobilizable sewage emergency treatment equipment which characterized in that: the device comprises a container (20), and a flocculation tank (1), a sedimentation tank (2), a membrane tank (3), a nanofiltration system (4), a nanofiltration water tank (5), a break point chlorination tank (6), a clean water tank (7) and an active carbon filtration tank (8) which are sequentially communicated and are positioned in the container (20), wherein a sodium hypochlorite dosing system (9), a dephosphorization agent dosing system (11) and a coagulant aid dosing system (12) are also arranged in the container (20); the inlet of the flocculation tank (1) is connected with a water inlet pipeline (101), the dephosphorization agent dosing system (11) is connected into the flocculation tank (1) through a dephosphorization agent dosing pipe (1101), and the coagulant aid dosing system (12) is connected into the flocculation tank (1) through a coagulant aid dosing pipe (1201); a plurality of membrane modules are arranged in the membrane tank (3), an air inlet of the membrane tank (3) is connected with an aeration system (10), a self-sucking pump (13) is arranged between a sewage outlet of the membrane tank (3) and an inlet of the nanofiltration system (4), an inlet of the self-sucking pump (13) is connected with a sewage outlet of the membrane tank (3), and an outlet of the self-sucking pump is connected with an inlet of the nanofiltration system (4); the nanofiltration system (4) is internally provided with a plurality of tubular nanofiltration membranes and booster pumps, and the nanofiltration system (4) is communicated with the nanofiltration water tank (5) through a pipeline; a first lifting pump (14) and a pipeline mixer (16) are arranged between the nanofiltration water tank (5) and the break point chlorination tank (6); the outlet of the sodium hypochlorite dosing system (9) is communicated with the inlet of the pipeline mixer (16); a second lift pump (15) is arranged between the clean water tank (7) and the activated carbon filter tank (8); and an outlet of the activated carbon filter tank (8) is connected with a discharge pipeline.
2. Mobile sewage emergency treatment plant according to claim 1, characterized in that: the membrane component adopts a ceramic membrane.
3. Mobile sewage emergency treatment plant according to claim 2, characterized in that: the sedimentation tank (2) is a vertical flow sedimentation tank.
4. Mobile sewage emergency treatment plant according to claim 3, characterized in that: the flocculation basin (1) is communicated with the sedimentation basin (2) through a water passing pipeline (102), one end of the water passing pipeline (102) is connected with an outlet of the flocculation basin (1), and the other end of the water passing pipeline (102) is connected with an inlet of the sedimentation basin (2).
5. Mobile sewage emergency treatment equipment according to claim 4, characterized in that: the break point chlorination tank (6) is communicated with the clean water tank (7) through a water passing port (601).
6. Mobile sewage emergency treatment plant according to claim 5, characterized in that: a stirrer is arranged in the flocculation tank (1), and a stirrer and a dosing metering pump are arranged in the dephosphorization agent dosing system (11) and the coagulant aid dosing system (12).
7. Mobile sewage emergency treatment plant according to claim 6, characterized in that: the first lifting pump (14) is arranged in the nanofiltration water tank (5), the inlet of the first lifting pump (14) is submerged below the water level of the nanofiltration water tank (5), the outlet of the first lifting pump (14) is connected with the inlet of the break point chlorination tank (6) through a first lifting pipeline (1401), and the pipeline mixer (16) is arranged on the first lifting pipeline (1401).
8. Mobile sewage emergency treatment plant according to claim 7, characterized in that: the second lifting pump (15) is arranged in the clean water tank (7), the inlet of the second lifting pump (15) is submerged below the water level of the clean water tank (7), and the outlet of the second lifting pump (15) is connected with the inlet of the activated carbon filter tank (8) through a second lifting pipeline (1501).
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| CN202021449087.8U CN212655601U (en) | 2020-07-21 | 2020-07-21 | Movable sewage emergency treatment equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111762921A (en) * | 2020-07-21 | 2020-10-13 | 北京市高速公路交通工程有限公司 | Movable sewage emergency treatment equipment and process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111762921A (en) * | 2020-07-21 | 2020-10-13 | 北京市高速公路交通工程有限公司 | Movable sewage emergency treatment equipment and process |
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