CN108862815A - A kind of separating dry space from moist space sewage-treatment plant - Google Patents
A kind of separating dry space from moist space sewage-treatment plant Download PDFInfo
- Publication number
- CN108862815A CN108862815A CN201810517709.7A CN201810517709A CN108862815A CN 108862815 A CN108862815 A CN 108862815A CN 201810517709 A CN201810517709 A CN 201810517709A CN 108862815 A CN108862815 A CN 108862815A
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- China
- Prior art keywords
- transport tube
- sewage
- drying sludge
- waste water
- water treatment
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
Abstract
The invention discloses a kind of separating dry space from moist space sewage-treatment plants, including drying sludge case and waste water treatment box, the drying sludge case and waste water treatment box are set side by side on the ground, transport tube is equipped with above the waste water treatment box, the transport tube bottom is fixed by the bracket in waste water treatment box top surface, transport tube is arranged horizontal by 30 ° of overturning angles, and drying sludge case internal upper part is protruded into transport tube upper end, offers water inlet on the top surface of transport tube length direction center；The setting that the present apparatus passes through transport tube, can the solid-liquid in sewage be separated and is respectively fed to waste water treatment box and drying sludge case carries out separating processing, it is convenient that sludge is recycled, pass through the setting for the plate that drops in waste water treatment box, reduce the energy consumption of conventional aeration machine, and by heated-air drying, waste heat can also be recycled while rate of drying is fast, further reduced energy consumption.
Description
Technical field
The present invention relates to water process, specifically a kind of separating dry space from moist space sewage-treatment plant.
Background technique
With the development of society, the living environment of the people becomes more and more important, the processing of municipal sewage is also controlled to environment
Reason brings many problems, and sewage can remain many sludge after processed, some sewage-treatment plants after handling sewage,
Cause remaining sludge more and more since processing can not be carried out to sludge, these sludge are all often that moist moisture content is higher,
The transport difficulty of sludge is considerably increased, and sludge has the Utilization prospects of wide recycling and energy, so needing
Sludge is dried, is readily transported, secondary treatment is convenient for, existing sludge drying mechanism majority does not remove sludge
The phenomenon that miscellaneous, drying process drying is insufficient, and sludge is easy to appear agglomeration in drying device, sticks wall does not generate to dry
Dust and exhaust gas handled, pollution, and structural instability are caused to environment.
Summary of the invention
The purpose of the present invention is to provide a kind of separating dry space from moist space sewage-treatment plants, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the present invention provides the following technical solutions：
A kind of separating dry space from moist space sewage-treatment plant, including drying sludge case and waste water treatment box, the drying sludge case and sewage
Treatment box is set side by side on the ground, and transport tube is equipped with above the waste water treatment box, and the transport tube bottom is solid by bracket
It is scheduled on waste water treatment box top surface, transport tube is arranged horizontal by 30 ° of overturning angles, and transport tube upper end is protruded into drying sludge case
Top, offers water inlet on the top surface of transport tube length direction center, and the water inlet raises upward cylindrical, is conveying
Be equipped with feeder motor outside cylinder lower end, the output end of the feeder motor be connected with inside the transport tube and with transport tube axis
The conveying flood dragon of overlapping, the conveying flood dragon have the flood dragon blade to fit with transport tube inner wall, and lower part is set in transport tube
Have and seal the sieve combined with transport tube inner wall, the sieve is stainless steel cloth, is additionally provided on the conveying flood dragon several clear
Reason brush, the cleaning brush surface are bonded setting with screen surface, and connecting tube, the company are equipped with below transport tube bottom, sieve
Adapter tube upper and lower ends are respectively communicated with inside transport tube and inside waste water treatment box；Multiple drops are equipped in the waste water treatment box
Plate, one of drop plate are located at immediately below connecting tube, remaining drop plate is randomly distributed in waste water treatment box, and drop plate
Upper plane is covered with biological membranous layer, is equipped with filter screen and adsorption net in sewage treatment lower box part；Waste water treatment box side bottom
Portion offers discharge outlet；The drying sludge lower box part is equipped with support plate, and support plate center is set there are two symmetrically arranged overturning
Door, be equipped on the drying sludge chamber interior wall below support plate with turnover door symmetrically arranged hydraulic cylinder one by one, hydraulic cylinder it is defeated
Outlet and turnover door bottom surface are rotatablely connected, and are fixed with stirring motor, the agitation in drying sludge case top face central location
The output end of motor is connected with the stirring shaft inside drying sludge case, and the stirring shaft bottom is along the circumferential direction connected with four
A scraper plate；It is equipped with hot air fan in drying sludge upper box part, the air outlet of hot air fan is equipped with electric heater；In drying sludge case
Interior bottom is equipped with the conveyer belt of horizontal direction, and side, drying sludge chamber interior wall are equipped with drying fan on a moving belt, dry in sludge
The plane of symmetry of dry chamber interior wall and drying fan is equipped with backwind tube, and the backwind tube upper end, which is connected with, to be wound around outside drying sludge case
Heat exchanger tube on wall, the drying sludge case side top are equipped with exhaust outlet, and heat exchanger tube upper end is docked with exhaust outlet；The sludge
Drying box side bottom offers mud discharging mouth.
As a preferred solution of the present invention：The filter screen is 304 stainless steel filtering nets that mesh is 1 millimeter.
As further preferred embodiment of the invention：The adsorption net is to fill the Cellular Networks of round active carbon particle.
As further preferred embodiment of the invention：The electric heater is made of multiple PTC heating tubes.
As further preferred embodiment of the invention：The adsorption net is located at below filter screen, and filter screen and absorption
Net connect installation by snap fit with sewage treatment chamber interior wall.
As further preferred embodiment of the invention：Valve is equipped in the discharge outlet.
As further preferred embodiment of the invention：The scraper plate section is in " L " font, and scraper plate lateral surface is in circular arc
Shape simultaneously fits with drying sludge chamber interior wall, and scraper plate bottom surface fits with support plate top surface.
Compared with prior art, the beneficial effects of the invention are as follows：The present apparatus, can will be in sewage by the setting of transport tube
Solid-liquid is separated and is respectively fed to waste water treatment box and drying sludge case carries out separating processing, convenient to carry out recycling benefit to sludge
With, by the setting for the plate that drops in waste water treatment box, reduce the energy consumption of conventional aeration machine, and pass through heated-air drying,
Rate of drying can also be recycled waste heat while fast, further reduced energy consumption.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of transport tube in the present invention.
Fig. 3 is the top view of stirring structure in the present invention.
1- transport tube in figure, 2- drying sludge case, 3- waste water treatment box, 4- water inlet, 5- feeder motor, 6- sieve, 7-
Convey flood dragon, 8- cleaning brush, 9- connecting tube, 10- drop plate, 11- biological membranous layer, 12- filter screen, 13- adsorption net, 14- draining
Mouthful, 15- stirring motor, 16- stirring shaft, 17- scraper plate, 18- hot air fan, 19- electric heater, 20- support plate, 21- turnover door,
22- hydraulic cylinder, 23- conveyer belt, 24- drying fan, 25- mud discharging mouth, 26- backwind tube, 27- heat exchanger tube, 28- exhaust outlet.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, in the embodiment of the present invention, a kind of separating dry space from moist space sewage-treatment plant, including drying sludge case 2 and dirt
Water treatment case 3, the drying sludge case 2 and waste water treatment box 3 are set side by side on the ground, set above the waste water treatment box 3
There is transport tube 1,1 bottom of transport tube is fixed by the bracket in 3 top surface of waste water treatment box, and transport tube 1 is horizontal by 30 ° of angles
It is obliquely installed, and 2 internal upper part of drying sludge case is protruded into 1 upper end of transport tube, is offered on 1 length direction center top surface of transport tube
Water inlet 4, the water inlet 4 raise upward cylindrical, feeder motor 5 are equipped with outside 1 lower end of transport tube, the conveying is electric
The output end of machine 5 is connected with positioned at 1 inside of transport tube and the conveying flood dragon 7 Chong Die with 1 axis of transport tube, the conveying flood dragon 7
With the flood dragon blade to fit with 1 inner wall of transport tube, lower part, which is equipped with, in transport tube 1 is combined with the sealing of 1 inner wall of transport tube
Sieve 6, the sieve 6 are stainless steel cloth, are additionally provided with several cleaning brush 8,8 surface of cleaning brush on the conveying flood dragon 7
It is bonded setting with 6 surface of sieve, connecting tube 9,9 upper and lower ends of connecting tube point are equipped with below 1 bottom of transport tube, sieve 6
It Lian Tong not be inside the inside of transport tube 1 and waste water treatment box 3；
When carrying out the processing of sewage, sewage is sent into from water inlet 4, sewage slides along 1 inner wall of transport tube under the effect of gravity, dirty
Solid waste in water is mainly that sludge is intercepted by sieve 6, and the liquid portion of sewage then passes through after sieve 6 by connecting tube 9
Into in waste water treatment box 3；Start feeder motor 5 during sewage transport, conveying flood dragon 7 is driven to rotate, conveying flood dragon will
Solid waste under being intercepted by sieve 6 is transported upwards and is entered inside drying sludge case 2, meanwhile, the conveying rotation of flood dragon 7 drives
Cleaning brush 8 rotates synchronously, and the waste being stuck in 6 mesh of sieve is brushed out disengaging by cleaning brush 8, to avoid 6 quilt of sieve
Blocking, and guarantee that solid waste can be carried into drying sludge case 2 by conveying flood dragon 7 completely；
Multiple drop plates 10 are equipped in the waste water treatment box 3, one of drop plate 10 is located at immediately below connecting tube 9, remaining
Drop plate 10 be randomly distributed in waste water treatment box 3, drop plate 10 on plane be covered with biological membranous layer 11, in sewage treatment
3 lower part of case is equipped with filter screen 12 and adsorption net 13, and the adsorption net 13 is located at 12 lower section of filter screen, and filter screen 12 and adsorption net
13 connect installation by snap fit with 3 inner wall of waste water treatment box；3 side bottom of waste water treatment box offers discharge outlet
14, valve is equipped in discharge outlet 14；
The filter screen 12 is 304 stainless steel filtering nets that mesh is 1 millimeter；
The adsorption net 13 is to fill the Cellular Networks of round active carbon particle；
When sewage is entered in waste water treatment box 3 from connecting tube 9, water flow is crushed by multiple drop plates 10, thus significantly
Increase the contact area of sewage and air, improves the dissolved oxygen amount in sewage, and pass through the effect of biological membranous layer 11, make in sewage
Organic matter generate aerobic breakdown, formed floccule be precipitated, sewage by drop plate 10 after, through filter screen 12 carry out floccule block
It cuts, after adsorption net 13 carries out the absorption of inorganic matter, is discharged by discharge outlet 14；
3 lower part of drying sludge case is equipped with support plate 20, and 20 center of support plate is set there are two symmetrically arranged turnover door 21,
3 inner wall of drying sludge case of the lower section of support plate 20 is equipped with and the symmetrically arranged hydraulic cylinder 22 one by one of turnover door 21, hydraulic cylinder 22
Output end and 21 bottom surface of turnover door be rotatablely connected, be fixed with stirring motor 15 in 3 top face central location of drying sludge case,
The output end of the stirring motor 15 is connected with the stirring shaft 16 inside drying sludge case 3, the 16 bottom edge of stirring shaft
There are four scraper plate 17,17 section of scraper plate is in " L " font for circumferencial direction connection, and 17 lateral surface of scraper plate in arc-shaped and with dirt
3 inner wall of mud drying box fits, and 17 bottom surface of scraper plate fits with 20 top surface of support plate；Hot wind is equipped on 3 top of drying sludge case
The air outlet of fan 18, hot air fan 18 is equipped with electric heater 19；Bottom is equipped with the transmission of horizontal direction in drying sludge case 3
Band 23 above conveyer belt 23, is equipped with drying fan 24, in 3 inner wall of drying sludge case and dry wind on 3 inner wall of drying sludge case
The plane of symmetry of fan 24 is equipped with backwind tube 26, and 26 upper end of backwind tube, which is connected with, is wound around changing on 3 outer wall of drying sludge case
Heat pipe 27,3 side top of drying sludge case are equipped with exhaust outlet 28, and 27 upper end of heat exchanger tube is docked with exhaust outlet 28；The dirt
3 side bottom of mud drying box offers mud discharging mouth 25；
The electric heater 19 is made of multiple PTC heating tubes；
After solid waste enters in drying sludge case 2, synchronous averaging stirring motor 15 and hot air fan 18 pass through hot air fan
18 generate downward hot wind, and are stirred by stirring shaft 16 and scraper plate 17 to solid waste, obtain solid waste
Uniformly adequately heating, is dried solid waste using hot wind, and scraper plate 17 can effectively avoid sludge dry in sludge
It agglomerates on dry 2 inner wall of case, opens turnover door 21 after the completion of dry, fall in solid waste downwards on conveyer belt 23, it is final logical
The discharge of mud discharging mouth 25 is crossed, starts drying air fan 24 in discharge process and solid waste is finally dried, guarantee by spoil disposal
The solid waste water content of mouth discharge is 5% hereinafter, being conveniently recycled；And the hot gas generated in drying process via
It is discharged after backwind tube 26 and heat exchanger tube 27 by exhaust outlet 28, and carries out the recycling of waste heat by heat exchanger tube 27, reduce the energy
Consumption.
The working principle of the invention is：The present apparatus passes through the setting of transport tube 1, can be separated the solid-liquid in sewage simultaneously
It is respectively fed to waste water treatment box 3 and drying sludge case 2 carries out separating processing, it is convenient that sludge is recycled, pass through sewage
The setting of drop plate 10 in treatment box 3, reduces the energy consumption of conventional aeration machine, and pass through heated-air drying, rate of drying
Waste heat can also be recycled while fast, further reduced energy consumption.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of separating dry space from moist space sewage-treatment plant, including drying sludge case and waste water treatment box, which is characterized in that the sludge
Drying box and waste water treatment box are set side by side on the ground, and transport tube, the transport tube bottom are equipped with above the waste water treatment box
Portion is fixed by the bracket in waste water treatment box top surface, and transport tube is arranged horizontal by 30 ° of overturning angles, and transport tube upper end is protruded into
Drying sludge case internal upper part offers water inlet on the top surface of transport tube length direction center, and the water inlet, which raises upward, is in
It is cylindric, feeder motor is equipped with outside transport tube lower end, the output end of the feeder motor is connected with inside transport tube
And the conveying flood dragon Chong Die with transport tube axis, the conveying flood dragon have the flood dragon blade to fit with transport tube inner wall,
Lower part, which is equipped with, in transport tube seals the sieve combined with transport tube inner wall, and the sieve is stainless steel cloth, the conveying flood dragon
On be additionally provided with several cleaning brush, the cleaning brush surface is bonded setting with screen surface, is equipped with below transport tube bottom, sieve
Connecting tube, the connecting tube upper and lower ends are respectively communicated with inside transport tube and inside waste water treatment box；In the waste water treatment box
Equipped with multiple drop plates, one of drop plate is located at immediately below connecting tube, remaining drop plate is not advised in waste water treatment box
It is then distributed, plane is covered with biological membranous layer on the plate that drops, and is equipped with filter screen and adsorption net in sewage treatment lower box part；The sewage
Treatment box side bottom offers discharge outlet；The drying sludge lower box part is equipped with support plate, and support plate center is set there are two right
Claim the turnover door of setting, is equipped on the drying sludge chamber interior wall below support plate symmetrically arranged hydraulic one by one with turnover door
Cylinder, the output end of hydraulic cylinder and turnover door bottom surface are rotatablely connected, and are fixed with agitation in drying sludge case top face central location
Motor, the output end of the stirring motor are connected with the stirring shaft inside drying sludge case, and the stirring shaft bottom is along circle
There are four scraper plates for circumferential direction connection；It is equipped with hot air fan in drying sludge upper box part, the air outlet of hot air fan is equipped with electric heating
Device；Bottom is equipped with the conveyer belt of horizontal direction in drying sludge case, and side, drying sludge chamber interior wall, which are equipped with, on a moving belt does
Dry fan, on the plane of symmetry of drying sludge chamber interior wall and drying fan be equipped with backwind tube, the backwind tube upper end be connected with around
The heat exchanger tube being located on drying sludge box outer wall, the drying sludge case side top are equipped with exhaust outlet, heat exchanger tube upper end and row
Air port docking；The drying sludge case side bottom offers mud discharging mouth.
2. a kind of separating dry space from moist space sewage-treatment plant according to claim 1, which is characterized in that the filter screen is mesh
For 1 millimeter of 304 stainless steel filtering nets.
3. a kind of separating dry space from moist space sewage-treatment plant according to claim 1, which is characterized in that the adsorption net is filling
The Cellular Networks of round active carbon particle.
4. a kind of separating dry space from moist space sewage-treatment plant according to claim 1, which is characterized in that the electric heater is by more
A PTC heating tube composition.
5. a kind of separating dry space from moist space sewage-treatment plant according to claim 1, which is characterized in that the adsorption net was located at
Below strainer, and filter screen connect installation by snap fit with sewage treatment chamber interior wall with adsorption net.
6. a kind of separating dry space from moist space sewage-treatment plant according to claim 1, which is characterized in that be equipped in the discharge outlet
Valve.
7. a kind of separating dry space from moist space sewage-treatment plant according to claim 1, which is characterized in that the scraper plate section is in
" L " font, and scraper plate lateral surface fits in arc-shaped and with drying sludge chamber interior wall, scraper plate bottom surface is affixed with support plate top surface
It closes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810517709.7A CN108862815A (en) | 2018-05-25 | 2018-05-25 | A kind of separating dry space from moist space sewage-treatment plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810517709.7A CN108862815A (en) | 2018-05-25 | 2018-05-25 | A kind of separating dry space from moist space sewage-treatment plant |
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| Publication Number | Publication Date |
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| CN108862815A true CN108862815A (en) | 2018-11-23 |
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| CN201810517709.7A Pending CN108862815A (en) | 2018-05-25 | 2018-05-25 | A kind of separating dry space from moist space sewage-treatment plant |
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Cited By (7)
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|---|---|---|---|---|
| CN110228886A (en) * | 2019-06-26 | 2019-09-13 | 王子腾 | A kind of sewage disposal device for heavy metal ion |
| CN110723886A (en) * | 2019-11-20 | 2020-01-24 | 徐州市国栋生化装备有限公司 | Sludge drying treatment device for industrial sewage and wastewater treatment plant and use method thereof |
| CN112499798A (en) * | 2020-12-25 | 2021-03-16 | 无锡市伊思丽尔环境科技有限公司 | Air-floating water purifying device with sludge drying structure |
| CN112645491A (en) * | 2020-12-21 | 2021-04-13 | 张艳 | Industrial sewage treatment device |
| CN112759206A (en) * | 2020-12-19 | 2021-05-07 | 苏州础润环境修复科技有限公司 | Sludge treatment tank ventilation device and operation method thereof |
| CN112897637A (en) * | 2020-12-31 | 2021-06-04 | 云南师范大学 | Environment-friendly dry-wet separation device for sewage treatment |
| CN115367986A (en) * | 2022-08-08 | 2022-11-22 | 江苏博一环保科技有限公司 | Movable heat pump sludge drying device with landfill treatment function |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110228886A (en) * | 2019-06-26 | 2019-09-13 | 王子腾 | A kind of sewage disposal device for heavy metal ion |
| CN110723886A (en) * | 2019-11-20 | 2020-01-24 | 徐州市国栋生化装备有限公司 | Sludge drying treatment device for industrial sewage and wastewater treatment plant and use method thereof |
| CN112759206A (en) * | 2020-12-19 | 2021-05-07 | 苏州础润环境修复科技有限公司 | Sludge treatment tank ventilation device and operation method thereof |
| CN112759206B (en) * | 2020-12-19 | 2023-05-23 | 深圳市洪桦环保科技有限公司 | Air interchanger of sludge treatment tank and operation method thereof |
| CN112645491A (en) * | 2020-12-21 | 2021-04-13 | 张艳 | Industrial sewage treatment device |
| CN112645491B (en) * | 2020-12-21 | 2022-10-25 | 广州市天河区林和粤财技术服务中心 | Industrial sewage treatment device |
| CN112499798A (en) * | 2020-12-25 | 2021-03-16 | 无锡市伊思丽尔环境科技有限公司 | Air-floating water purifying device with sludge drying structure |
| CN112897637A (en) * | 2020-12-31 | 2021-06-04 | 云南师范大学 | Environment-friendly dry-wet separation device for sewage treatment |
| CN112897637B (en) * | 2020-12-31 | 2022-03-11 | 云南师范大学 | Environment-friendly dry-wet separation device for sewage treatment |
| CN115367986A (en) * | 2022-08-08 | 2022-11-22 | 江苏博一环保科技有限公司 | Movable heat pump sludge drying device with landfill treatment function |
| CN115367986B (en) * | 2022-08-08 | 2023-07-28 | 江苏博一环保科技有限公司 | Movable heat pump sludge drying device with landfill treatment function |
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Application publication date: 20181123 |