CN213407831U - Treatment system for treating sponge production wastewater - Google Patents
Treatment system for treating sponge production wastewater Download PDFInfo
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- CN213407831U CN213407831U CN202021833948.2U CN202021833948U CN213407831U CN 213407831 U CN213407831 U CN 213407831U CN 202021833948 U CN202021833948 U CN 202021833948U CN 213407831 U CN213407831 U CN 213407831U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses a treatment system for treating sponge production wastewater, which belongs to the technical field of wastewater treatment, and comprises a dosing device, a dehydration device, a dust remover, a cooler and a heat treatment device, wherein the heat treatment is carried out by pretreatment, heat treatment and tail gas treatment, the pretreatment is carried out by the dosing device for chemical treatment and mechanical dehydration treatment to reduce the water content of waste sponge, the heat treatment process comprises drying, pyrolysis, combustion, dust removal and condensation, the tail gas treatment comprises tail gas adsorption purification and discharge, the waste sponge treatment is thorough, the high energy utilization rate, the low energy loss and the high recovery rate are achieved, the content in the waste sponge is effectively reduced, meanwhile, the dehydration device adopts a stacked spiral type to carry out self-cleaning and no blockage, the waste sponge is dehydrated by depending on the internal pressure of volume, and the rotating speed is low, therefore, the energy is saved and the noise is low.
Description
Technical Field
The utility model relates to a processing system for handling sponge waste water, specifically a processing system for handling sponge waste water.
Background
In the water treatment of a factory for manufacturing sponges in cities, a large amount of mercury wastewater is produced in the sponge manufacturing process, if the mercury content in the wastewater is exerted, products with mercury content in air in a production area can be caused, scattered and stacked waste sponges containing water can pollute surface water and underground water, bundles in the waste sponges can cause soil hardening, the surrounding ecological environment is influenced, and the untreated mercury-containing wastewater can seriously pollute the atmosphere, water and soil; and after the bundles in the mercury-containing waste sponge enter the water body, the mercury-containing waste sponge shows the variability of the form, the nondegradability of the toxic effect and the diversity of the migration and transformation processes due to the influence of the characteristics of the mercury-containing waste sponge and environmental factors.
In the prior art, high-temperature oxidation technology is adopted for removing mercury from waste sponge aiming at most of liquid such as mercury or fixed waste products, and waste water containing mercury is treated by returning the waste water to a kiln through intermittent heating, but mercury in solid waste is more stable in some liquid, only the hazard of mercury is reduced after heat treatment, the hazard of mercury still exists, and the obtained product still needs to be subjected to landfill treatment.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: a treatment system for treating sponge production wastewater, which aims to solve the problems in the prior art.
The technical scheme is as follows: the utility model provides a processing system for handling sponge waste water, includes the doser, with the quenching and tempering ware that the intercommunication was connected to the doser, with the agitator pump that the quenching and tempering ware links together, with the hydroextractor that the agitator pump links together sets up the screw conveyer in the exit of hydroextractor sets up at the terminal feed bin of screw conveyer, with the heat treatment device that the feed bin links together, with the dust remover that heat treatment device links together, and with the cooling device that the dust remover links together.
In a further embodiment, the heat treatment device comprises a drying unit connected with the storage bin, a combustion unit connected with the drying unit, an antipyretic unit connected with the combustion unit, a combustion-supporting device arranged at an inlet of the combustion unit, and a heat return pipe, wherein one end of the heat return pipe is arranged on the combustion unit, and the other end of the heat return pipe is the same as that of the drying unit.
In a further embodiment, the dehydrator comprises a base, a hood arranged on the base, a rotating motor arranged on the base, a rotating hub arranged on the hood and connected with the rotating motor, a spiral material pusher arranged on the rotating hub, a liquid pool arranged on the periphery of the rotating hub, a material distributing device arranged on the spiral material pusher, a solid phase discharge port arranged at one end of the rotating hub, a liquid phase discharge port arranged at the other end of the rotating hub, a feed inlet arranged at the tail end of the rotating hub, a flushing water pipe with two ends connected to the hood, and a nozzle arranged on the flushing water pipe.
In a further embodiment, the cooling device comprises a condenser connected with a dust remover, a condenser connected with the condenser, a mercury adsorption tower connected with the condenser, a sewage tank connected with the condenser, a first circulating pump connected with the sewage tank, a cooling circulation system connected with the circulating pump, a second circulating pump connected with the cooling circulation system, a settler connected with the second circulating pump, the condenser and the mercury adsorption tower respectively, a swirler connected with the settler, and a mercury collection tank connected with the swirler.
In a further embodiment, one end of the dewatering machine is connected with the sewage tank, and one end of the sewage tank is connected with the water transfer pump.
In a further embodiment, the dust remover comprises a dust removing cylinder, a guide plate arranged on the inner wall of the dust removing cylinder, a filter cylinder arranged on the guide plate, an air flow distribution plate arranged at the bottom of the dust removing cylinder, an ash discharging valve arranged at the tail end of the dust removing cylinder, a blowing plate arranged above the filter cylinder and inserted into the dust removing cylinder, and an asbestos plate arranged on the outer wall of the dust removing cylinder.
Has the advantages that: the utility model discloses a processing system for handling sponge waste water, including doser, dewatering device, the dust remover, cooler and heat treatment device, thermal treatment is through the preliminary treatment, thermal treatment and tail gas treatment, the preliminary treatment carries out the moisture content that chemical treatment and mechanical dehydration reduced abandonment sponge through charge device, the heat treatment process is including drying, the pyrolysis, the burning, dust removal and condensation, tail gas treatment includes the absorption purification and the exclusion of tail gas, it thoroughly to have abandonment sponge processing, high energy utilization, low energy loss, the rate of recovery is high, effectively reduce the content of mercury in waste residue and the waste gas, dewatering device adopts the spiral shell formula of folding simultaneously and can carry out self-cleaning and no jam, rely on the volume to press in to dewater abandonment sponge, and the rotational speed is low, therefore energy-conservation, the noise is little.
Drawings
FIG. 1 is a flow chart of a dewatering system of the present invention;
FIG. 2 is a process flow diagram of the heat treatment apparatus of the present invention;
FIG. 3 is a right side view of the dewatering machine of the present invention;
FIG. 4 is a side view of the dewatering machine of the present invention;
FIG. 5 is a top view of the dewatering machine of the present invention;
fig. 6 is a cross-sectional view of the transfer hub of the present invention;
fig. 7 is a cross-sectional view of the middle dust collector of the present invention.
The reference signs are: the device comprises a base 101, a hood 102, a rotating motor 103, a rotating hub 104, an auger feeder 105, a liquid pool 106, a sorting device 107, a solid phase discharge port 108, a liquid phase discharge port 109, a feed port 110, a flushing water pipe 111, a nozzle 112, a dust removing cylinder 201, a guide plate 202, a filter cylinder 203, an air flow distribution plate 204, an ash discharge valve 205, a blowing plate 206 and an asbestos plate 207.
Detailed Description
Through research and analysis of the applicant, in the prior art, high-temperature oxidation technology is adopted to perform demercuration treatment on waste sponge aiming at most of liquid such as mercury and the like or fixed waste products, and waste water containing mercury is treated by intermittently heated kiln returning, but mercury in solid waste is more stable in some liquid, only the harmfulness of mercury is reduced after heat treatment, the danger of mercury still exists, and the obtained product still needs to be buried. In light of these problems, the applicant proposes a treatment system for treating sponge production wastewater, and the specific scheme is as follows.
As shown in the attached drawing, the treatment system for treating sponge production wastewater comprises a base 101, a hood 102, a rotating motor 103, a rotating hub 104, a spiral pusher 105, a liquid pool 106, a sorting device 107, a solid phase discharge port 108, a liquid phase discharge port 109, a feed port 110, a flushing water pipe 111, a nozzle 112, a dust removal cylinder 201, a guide plate 202, a filter cylinder 203, an air flow distribution plate 204, an ash discharge valve 205, a blowing plate 206 and an asbestos plate 207.
The conditioner is connected with the chemical feeder, the stirring pump is connected with the conditioner, the dehydrator is connected with the stirring pump, the screw conveyer is connected with the dehydrator and is positioned at the outlet of the dehydrator, the bin is arranged with the screw conveyer and is positioned at the tail end of the screw conveyer, the heat treatment device is connected with the bin, the dust remover is connected with the heat treatment device, the cooling device is connected with the dust remover, the sewage tank is connected with the dehydrator, and the water transfer pump is connected with the sewage tank; solid waste sponge enters a chemical adding device, a certain amount of coagulant aid and flocculant chemical agents are added into the chemical adding device to improve the dehydration property of the waste sponge, the agents react on the surfaces of waste sponge colloid particles, the charge of the waste sponge particles increases the coagulation force, so that the particles in a water phase are gradually increased to form large floccules, the formation of the floccules can promote water to be separated from the surfaces of the waste sponge particles, the water is easy to remove in the subsequent mechanical dehydration process, the chemically treated waste sponge flows into a conditioner, and the treated waste sponge is conveyed to a dehydrator through the treatment of a stirring pump; after the waste sponge is chemically modified, the dehydration performance of the waste sponge is greatly improved. Under the action of chemical agents such as flocculating agents and the like, the waste sponges are mutually condensed into larger flocs, water phase is separated from the larger flocs to a certain extent, but the larger flocs are still difficult to be directly separated from the water, and further the waste sponges are mechanically dehydrated through dehydration, so that the mechanical dehydration of the oil-containing waste sponges meets the treatment requirement;
the water-containing form in the solid waste sponge can be divided into tap water and non-tap water, and the non-tap water is also divided into interstitial water, surface adsorbed water and chemically combined water.
Wherein (1) free water: free water surrounded by the waste sponge particles has no interaction relation with the waste sponge particles, the moisture content in different types of waste sponges is greatly changed, but the moisture content in different types of waste sponges is usually larger, and is generally 65% -85% of the moisture content of the waste sponges.
(2) Interstitial water: is present between the gaps of the waste sponge particles, and when the particles are destroyed, the water is released. This water is generally removed by concentration. Accounts for 15 to 25 percent of the water content of the waste sponge.
(3) Surface adsorption of water: the water film is formed on the surface of the waste sponge particles by firmly adsorbing or attaching the water film to the surface of the waste sponge particles through physical force or ammonia bonds, and the water film usually accounts for about 7 percent of the non-free water.
(4) Chemically bound water: also called internal water exists inside the waste sponge particles or inside microbial cells, and the part of the water is difficult to dehydrate by common mechanical treatment, but the part of the internal water can flow out of the waste sponge particles by other waste sponge pretreatment technologies, such as ultrasonic wall breaking technology. The content of the water is about 3% of the non-free water.
For the common solid waste sponge dehydration, the mechanical dehydration and the gravity dehydration are mainly included, and the existing methods are pressure filtration, core separation dehydration and vacuum filtration.
As shown in fig. 2, the base 101 is disposed at a predetermined position, the housing 102 is disposed on the base 101, the rotary motor 103 is disposed on the base 101, the rotary hub 104 is disposed on the housing 102 and connected to the rotary motor 103, the screw impeller 105 is disposed on the rotary hub 104, the liquid sump 106 is disposed at the circumference of the rotary hub 104, the material distributor is disposed on the screw impeller 105, the solid phase discharge port 108 is disposed at one end of the rotary hub 104, the liquid phase discharge port 109 is disposed at the other end of the rotary hub 104, the feed port 110 is disposed at the end of the rotary hub 104, both ends of the flushing water pipe 111 are connected to the upper surface of the housing 102, the nozzle 112 is disposed on the flushing water pipe 111, the solid waste passes through the feed port 110 and then enters the spiral dewatering zone, the rotation of rotating hub 104 is being driven through the rotation of rotating motor 103, and then drive rotating hub 104 and rotate the spiral extrusion solid waste rubbish, and then the screw propulsion ware extrudes waste rubbish, and the unnecessary liquid of waste rubbish that can pass through the extrusion flows into liquid bath 106 through feed divider, and then solid waste discharges through solid phase discharge gate 108 and enters into heat treatment device, carries out secondary operation and draws remaining mercury.
The storage bin of the drying unit is connected together, the combustion unit is connected with the drying unit together, the antipyretic unit is connected with the combustion unit together, the combustion-supporting device is connected with the combustion unit together and arranged at the inlet of the combustion unit, one end of each end of the regenerative pipe is connected with the combustion unit together, and the other end of each end of the regenerative pipe is connected with the drying unit together; enter into the drying unit through solid waste rubbish, carry out the dehumidification of solid waste rubbish, and then enter into the combustion unit, and then carry out combustion-supporting to the combustion unit through combustion-supporting device, then carry out incineration disposal to solid waste rubbish through the combustion unit, simultaneously in order to reduce the emission of combustion unit, and then increase and know the fever unit, the reaction gaseous state product of fever unit is combustible micromolecule class, and move under the anaerobic condition, the combustion process of the flue gas volume emission of production than the combustion unit is far less, the emission of pollutant has significantly reduced, for the unnecessary heat in the reasonable utilization fever unit of bringing down, through the backheat pipe with the drying unit links together. The high-temperature flue gas of the combustion unit circularly enters the waste sponge drying unit to utilize the waste heat, so that the energy utilization rate of the whole device is improved.
Specifically, in order to prevent ash from being directly discharged into the atmosphere and polluting the air during the heat treatment process, a cooling device is additionally arranged, the condenser is connected with a dust remover, the condenser is connected with the condenser, the mercury adsorption tower is connected with the condenser, the sewage tank is connected with the condenser, the first circulating pump is connected with the sewage tank, the cooling circulation system is connected with the first circulating pump, the second circulating pump is connected with the cooling circulation system, the settler is respectively connected with the second circulating pump, the condenser and the mercury adsorption tower, the settler is connected with the settler, and the mercury collection tank is connected with the cyclone; the flue gas containing mercury after heat treatment enters a dust remover, the flue gas after dust removal enters a cold taking device, the flue gas after dust removal is cooled, mercury vapor and water vapor are subjected to liquid treatment by a condenser and then enter a precipitator after being liquefied, the liquid mercury in the precipitator enters a mercury collecting tank again through a cyclone, the recovered mercury has certain economic value, meanwhile, one end of the sewage tank is connected with a dewatering machine, a first circulating pump enters the sewage in the sewage tank into the condenser for secondary treatment, the sewage enters a cold taking circulating system, the sewage enters a second circulating pump, the sewage enters the precipitator, and the mercury in the precipitator is extracted in a circulating manner.
Specifically, different dust collectors have different dust removal effects on particles, in order to reduce occupied space, the dust collector adopts a vertical dust collector, the flow guide plate 202 is arranged on the inner wall of the dust collection cylinder 201, the filter cylinder 203 is arranged on the flow guide plate 202, the air distribution plate 204 is arranged on the dust collection cylinder 201 and is positioned at the bottom of the dust collection cylinder 201, the dust discharge valve 205 is arranged on the dust collection cylinder 201 and is positioned at the tail end of the dust collection cylinder 201, the blowing plate 206 is arranged above the filter cylinder 203 and is inserted into the dust collection cylinder 201, the asbestos plate 207 is arranged on the outer wall of the dust collection cylinder 201, smoke enters the filter cylinder 203 from the bottom of the dust collector, the particles are choked by the filter cylinder 203 at the periphery, the dust collection smoke penetrates into the outlet from the filter cylinder 203, the particles on the periphery of the filter cylinder 203 are projected into the dust collection hopper from the filter cylinder 203 through mechanical vibration, the upper part and the lower part of the dust remover are both required to leave reserved spaces, the lower part is provided with an ash bucket and an air flow distribution plate 204 which are vertical, the upper part is provided with a clean air inlet, the dust remover has the advantages of compact structure, high efficiency, large unit volume filtering area and simple maintenance, and meanwhile, the shell of the dust removing cylinder 201 is provided with a light asbestos plate 207 heat insulation layer, so that the equipment strength is enhanced, and the manufacturing quality is ensured; the calculation formula S of the filter cartridge 203 is;
S=Q/v；
in the formula: s is the filtration area;
q is designed air volume;
v is the filtered wind speed.
The working principle is as follows: feeding the solid waste sponge into a dosing device, dosing the solid waste sponge into the dosing device by an operator, then carrying out chemical treatment on the solid waste sponge by the dosing device, and enabling the chemically treated waste sponge to flow into a conditioner; the waste sponge is treated by a conditioner and a stirring pump, and the treated waste sponge enters a dehydrator; after the waste sponge enters the dehydrator, the rotating motor 103 is started to drive the rotating hub 104 to rotate to enable the waste sponge to enter the dehydrating treatment, liquid in the polluted waste sponge which is extruded in a rotating mode sinks into the liquid pool 106, then the liquid in the liquid pool 106 flows into the liquid phase discharge port 109 through the classifying device 107, and other fixed waste sponges enter the solid phase discharge port 108 through the material distributing device and enter the upper surface of the spiral conveyor; when the solid waste is conveyed to a storage bin through a screw conveyor, the solid waste is transferred into a heat treatment device through the storage bin; when solid waste enters the heat treatment, the solid waste is dried by the drying unit, redundant moisture is completely treated, the dried solid waste garbage enters the combustion unit after the moisture is completely treated, the solid waste garbage is subjected to high-temperature incineration treatment by the combustion unit, mercury in the solid waste garbage is extracted, and then the solid waste enters the heat relieving unit, and the solid waste is subjected to heat relieving in the heat relieving unit; the residual solid waste after heat clearing enters the combustion unit again, ash produced when the temperature of the combustion unit enters the combustion unit at 750-1200 degrees is discharged from the bottom of the heat clearing unit, and meanwhile, the combustion unit is connected with the dust remover, so that the generation of ash can be further reduced; and (3) after the ash enters the dust remover, treating the ash by using a condenser, purifying the tail gas by using the condenser, entering the purified tail gas into a mercury adsorption tower, removing residual gaseous mercury harmful substances and odor in the tail gas, and finishing the waste treatment work.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be modified to perform various equivalent transformations, which all belong to the protection scope of the present invention.
Claims (6)
1. The utility model provides a processing system for handling sponge waste water, its characterized in that, including the doser, with the quenching and tempering ware that the intercommunication is connected to the doser, with the agitator pump that the quenching and tempering ware links together, with the hydroextractor that the agitator pump links together sets up the screw conveyer in the exit of hydroextractor sets up at the terminal feed bin of screw conveyer, with the heat treatment device that the feed bin links together, with the dust remover that heat treatment device links together, and with the cooling device that the dust remover links together.
2. A treatment system for treating sponge production wastewater according to claim 1, wherein: the heat treatment device comprises a drying unit, a combustion unit, an antipyretic unit, a combustion-supporting device and a heat return pipe, wherein the drying unit is connected with the storage bin, the combustion unit is connected with the drying unit, the antipyretic unit is connected with the combustion unit, the combustion-supporting device is arranged at an inlet of the combustion unit, and one end of the heat return pipe is connected with the heat return pipe, the heat return pipe is arranged on the combustion unit, and the other end of the heat return pipe is communicated.
3. A treatment system for treating sponge production wastewater according to claim 1, wherein: the dehydrator comprises a base, a hood arranged on the base, a rotating motor arranged on the base, a rotating hub arranged on the hood and connected with the rotating motor, a spiral material pusher arranged on the rotating hub, a liquid pool arranged in the circumferential direction of the rotating hub, a material distribution device arranged on the spiral material pusher, a solid-phase discharge port arranged at one end of the rotating hub, a liquid-phase discharge port arranged at the other end of the rotating hub, a feed port arranged at the tail end of the rotating hub, a flushing water pipe with two ends connected to the hood, and a nozzle arranged on the flushing water pipe.
4. A treatment system for treating sponge production wastewater according to claim 1, wherein: the cooling device comprises a condenser connected with the dust remover, a condenser connected with the condenser, a mercury adsorption tower connected with the condenser, a sewage tank connected with the condenser, a first circulating pump connected with the sewage tank, a cold-taking circulating system connected with the first circulating pump, a second circulating pump connected with the cold-taking circulating system, a settler connected with the second circulating pump, the condenser and the mercury adsorption tower respectively, a swirler connected with the settler, and a mercury collecting tank connected with the swirler.
5. A treatment system for treating sponge production wastewater according to claim 1, wherein: one end of the dewatering machine is connected with the sewage tank, and one end of the sewage tank is connected with the water transfer pump.
6. A treatment system for treating sponge production wastewater according to claim 1, wherein: the dust remover comprises a dust removing cylinder, a guide plate arranged on the inner wall of the dust removing cylinder, a filter cylinder arranged on the guide plate, an air flow distribution plate arranged at the bottom of the dust removing cylinder, an ash discharge valve arranged at the tail end of the dust removing cylinder, a blowing plate arranged above the filter cylinder and inserted into the dust removing cylinder, and an asbestos plate arranged on the outer wall of the dust removing cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021833948.2U CN213407831U (en) | 2020-08-28 | 2020-08-28 | Treatment system for treating sponge production wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021833948.2U CN213407831U (en) | 2020-08-28 | 2020-08-28 | Treatment system for treating sponge production wastewater |
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| Publication Number | Publication Date |
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| CN213407831U true CN213407831U (en) | 2021-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021833948.2U Expired - Fee Related CN213407831U (en) | 2020-08-28 | 2020-08-28 | Treatment system for treating sponge production wastewater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114315062A (en) * | 2021-12-30 | 2022-04-12 | 上海大学无锡产业研究院 | Waste sludge dewatering method for water-based material |
-
2020
- 2020-08-28 CN CN202021833948.2U patent/CN213407831U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114315062A (en) * | 2021-12-30 | 2022-04-12 | 上海大学无锡产业研究院 | Waste sludge dewatering method for water-based material |
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Granted publication date: 20210611 |