CN103112910B - Wastewater treatment tank capable of self-cleaning binding materials and wastewater thermal circulation treatment system - Google Patents
Wastewater treatment tank capable of self-cleaning binding materials and wastewater thermal circulation treatment system Download PDFInfo
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- CN103112910B CN103112910B CN201310023286.0A CN201310023286A CN103112910B CN 103112910 B CN103112910 B CN 103112910B CN 201310023286 A CN201310023286 A CN 201310023286A CN 103112910 B CN103112910 B CN 103112910B
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- heat source
- tank body
- sewage treatment
- plate
- soaking disk
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- 238000004140 cleaning Methods 0.000 title claims abstract description 27
- 239000002351 wastewater Substances 0.000 title abstract description 17
- 238000004065 wastewater treatment Methods 0.000 title abstract 6
- 239000000463 material Substances 0.000 title abstract 4
- 238000002791 soaking Methods 0.000 claims abstract description 45
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 238000011084 recovery Methods 0.000 claims abstract description 5
- 239000010865 sewage Substances 0.000 claims description 63
- 239000000853 adhesive Substances 0.000 claims description 17
- 230000001070 adhesive effect Effects 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 239000002775 capsule Substances 0.000 claims description 12
- 238000005382 thermal cycling Methods 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 3
- 238000006748 scratching Methods 0.000 abstract 1
- 230000002393 scratching effect Effects 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 29
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 239000002699 waste material Substances 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 229940088710 antibiotic agent Drugs 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The invention relates to a wastewater treatment tank capable of self-cleaning binding materials and a wastewater thermal circulation treatment system, and can be used for solving the technical problem of reduction of economic benefit because that wastewater treatment equipment is easily eroded by binding materials and heat transfer is obstructed. The wastewater treatment tank capable of self-cleaning binding materials comprises a tank body, wherein the upper part of the tank body is provided with a wastewater inlet and a steam recovery port, and the bottom part of the tank body is provided with an extract release outlet. The wastewater treatment tank is characterized by further comprising two or more than two groups of heat source pipes which are parallel to each other and arranged at intervals; the heat source pipes run across the tank body of the wastewater treatment tank and two ends of each heat source pipe are limited on the tank body by using a sealing rotation pair; and adjacent heat source pipes have rotational degree of freedom respectively by using a rotary driving mechanism and a transmission mechanism, the middle sections of the heat source pipes positioned in the tank body are fixedly provided with ring-shaped soaking disk groups, corresponding soaking disks on adjacent heat source pipes are sequentially crossed and distributed equidistantly, and the rotary scratching self-cleaning mechanism is formed by using the rotation of the heat source pipes.
Description
Technical field
The present invention relates to a kind of sewage treatment pot and Sewage treatment systems, belong to sewage treatment area, particularly a kind of sewage treatment pot of self-cleaning adhesive and sewage thermal cycling treatment system.
Background technology
At present, pharmaceutical industry is that one of 12 industries of keypoint treatment are wanted in national environmental protection planning, emission standard for production of antibiotics waste water is also increasingly strict, a lot of enterprises can not reach existing emission standard on the basis of original treatment process, need badly existing Processes and apparatus is carried out to postorder transformation, seek low cost, high-level efficiency, the significant technology of effect to reach the object of waste water advanced processing qualified discharge.
Existing sewage disposal device is the simple moisture adopting in type of heating evaporating waste water just, the solid or liquid material part extracting is refined recycling, a part is for other purposes, for example, mix other batchings, utilize high crushing resistance, the high-tenacity of sewage extract to prepare Industrial buildings raw material.But existing simple sewage disposal device is corroded and aging speed and frequency is very high, its reason is: waste water evaporation is more common a kind for the treatment of process, but the residue of a lot of waste water has cohesiveness, be easy to be attached on heating surface, hinder heat transmission, even etching apparatus, finally causes equipment scrapping.
But pass these technical problems of being obstructed for equipment corrosion-vulnerable and heat, although enterprise deeply hurts, but feel simply helpless all the time, make cost of sewage disposal more and more higher, power consumption is more and more, although this just occurs having solved sewage discharge problem, also corresponding reduction economic benefit, makes enterprise greatly reduce the enthusiasm of reutilization of the sewage processing.
Summary of the invention
The present invention is the technical problem that in solution prior art, sewage disposal device is subject to the economic benefit reduction that adhesive is corroded and heat biography is obstructed to be caused, a kind of sewage treatment pot and sewage thermal cycling treatment system of self-cleaning adhesive have been designed, by the structure of self-cleaning adhesive, solved the technical problem that the thermal source conduction device corrosion-vulnerable in sewage treatment pot, heat biography are obstructed.
The present invention is that the technical scheme that realizes goal of the invention employing is, a kind of sewage treatment pot of self-cleaning adhesive, structure comprises that top is provided with sewage inlet and vapor recovery mouth, bottom is provided with the tank body of extract bleed outlet, key is: in the structure of described sewage treatment pot, also comprise: two groups or more parallel and spaced heat source tube, heat source tube crosses the tank body of sewage treatment pot and two ends are secondary spacing on tank body by sealed rotational respectively, adjacent heat source capsule has respectively rotary freedom by rotary drive mechanism and transmission rig, the stage casing of the heat source tube in tank body is all fixed with ring-type Soaking disk group, corresponding Soaking disk on adjacent heat source capsule is arranged in a crossed manner successively, Soaking disk is evenly equally spaced, and scratch formula self-cleaning mechanism by the rotation formation rotation of heat source tube.
Key of the present invention is: heat exchange and self-cleaning part, and this part is mainly comprised of dish-type heating surface, and dish-type heating surface inside is added with baffle plate, make thermal source can pass through whole heating surface, can effectively prevent thermal source circulation short circuit, simultaneously owing to having increased the thermal source currency, make to conduct heat more stable; Between dish-type heating surface, leave minimum gap, in rotation process, can remove the waste residue being bonded on heating surface, reach the object of self-cleaning.Thermal source enters dish-type heating surface by tubular shaft, and waste water is heated, and meanwhile, driving part drives dish-type heating surfaces to become counter-rotation by two axles, between dish-type heating surface " scratch " mutually, the adhesive being attached on heating surface is separately dispelled.Dish-type heating surface both added thermal wastewater as heating surface, can dispel again the waste residue being bonded on heating surface, was to kill two birds with one stone.
The invention has the beneficial effects as follows: by Soaking disk is set in heat source tube, realized rapid heat dissipation, the uniform object of dispelling the heat, by two groups of Soaking disks, phase inversion is scratched mutually again simultaneously, realized the object of self-cleaning adhesive, solve sewage disposal device and be subject to adhesive corrosion and the hot technical problem of being obstructed that passes, greatly improved production efficiency and the enthusiasm of enterprise.
Below in conjunction with accompanying drawing, the present invention is described in detail.
Accompanying drawing explanation
Fig. 1 is the front view of sewage treatment pot in the present invention.
Fig. 2 is that the A-A of Fig. 1 is to sectional view.
Fig. 3 is the structural representation of heat source tube and Soaking disk in the present invention.
Fig. 4 is sewage thermal cycling treatment system rough schematic view in the present invention.
In accompanying drawing, 1, 2 represent tank body, 1-1 represents open tank groove, 1-2 represents side seal lid, 11, represent sewage inlet, 12 represent vapor recovery mouth, 13 represent extract bleed outlet, 14, the concentrated fluid-evacuation mouth of 24 representative, 3 represent heat exchanger, 31 represent the entrance of heat exchange chamber, 33 represent the entrance of cold inverting chamber, 34 represent the outlet of cold inverting chamber, 41, 42 represent heat source tube, 411, 412, 421, 422 represent sealed rotational pair, 415 represent heat source stream through hole, 43, 44 represent Soaking disk group, 431, 432 represent ring steel plate, 433 represent banded steel plate, 434 represent annular heat source blocking-up plate, 435 represent circular thermal source blocking-up plate, in accompanying drawing 1 and 4, the direction of arrow represents drainage flow direction, in accompanying drawing 2, arrow represents thermal source flow direction.
Embodiment
For solving sewage disposal device heat biography, be obstructed, the technical problem of corrosion-vulnerable, designed a kind of sewage treatment pot of self-cleaning adhesive, structure comprises that top is provided with sewage inlet 11 and vapor recovery mouth 12, bottom is provided with the tank body 1 of extract bleed outlet 13, its key is: in the structure of described sewage treatment pot, also comprise: two groups or more parallel and spaced heat source tube 41, 42, heat source tube 41, 42 cross the tank body 1 of sewage treatment pot and two ends respectively by sealed rotational pair 411, 412, 421, 422 is spacing on tank body 1, adjacent heat source capsule 41, 42 have respectively rotary freedom by rotary drive mechanism and transmission rig, heat source tube 41 in tank body 1, 42 stage casing is all fixed with ring-type Soaking disk group 43, 44, adjacent heat source capsule 41, corresponding Soaking disk on 42 is arranged in a crossed manner successively, Soaking disk is evenly equally spaced, and by heat source tube 41, 42 rotation forms rotation and scratches formula self-cleaning mechanism.
Described adjacent heat source capsule 41,42 has oppositely turning degree of freedom or having the rotary freedom of speed discrepancy; The described rotary freedom with speed discrepancy comprises rotating Vortex.
Described heat source tube 41,42 is provided with two groups or three groups, and in same level setting.
Each Soaking disk structure in described Soaking disk group 43,44 is identical, and Soaking disk structure comprises: a pair of middle part is provided with annulus hole and the ring steel plate 431,432 be arrangeding in parallel, the banded steel plate 433 that the exterior rim sealing of two ring steel plates 431,432 is connected, described Soaking disk is through heat source tube 41, 42 also seal and are fixed on heat source tube 41, on 42 outer tube walls, Soaking disk inner chamber is provided with annular heat source blocking-up plate 434, and be positioned in heat source tube 41, heat source tube 41 inner chambers are provided with annular heat source blocking-up plate 434 in conplane circular thermal source blocking-up plate 435, in circular thermal source blocking-up plate 435 both sides, be distributed with heat source stream through hole 415, Soaking disk is communicated with heat source tube 41 by heat source stream through hole 415, annular heat source blocking-up plate 434 and circular thermal source blocking-up plate 435 form the thermal source deflector of Soaking disk by heat source stream through hole 415, adjacent heat source capsule 41, gap on 42 between corresponding Soaking disk arranged in a crossed manner is 0.5 ~ 1.2mm.
The external form of described tank body 1 is square, and tank body 1 structure is comprised of open tank groove 1-1, side seal lid 1-2 and supporting tie-in module.
Described tank body 1 bottom is also provided with concentrated fluid-evacuation mouth 14.
A kind of sewage thermal cycling treatment system, system architecture comprises at least two group sewage treatment pots, its key is: at the tank body 1 of sewage treatment pot, concentrated fluid-evacuation mouth 14 is set up in 2 bottoms, 24, the concentrated fluid-evacuation mouth 14 of the tank body 1 of prime sewage treatment pot is communicated with the sewage inlet 21 of the tank body 2 of rear class sewage treatment pot, in system architecture, set up with cold, the heat exchanger 3 of heat exchange chamber, the concentrated fluid-evacuation mouth 24 of rear class sewage treatment pot is communicated with the entrance 31 of heat exchange chamber in heat exchanger 3, in heat exchanger 3, the outlet 34 of cold inverting chamber and the sewage inlet 11 of prime sewage treatment pot are communicated with, sewage is passed in heat exchanger 3 by the entrance 33 of cold inverting chamber in heat exchanger, through with heat exchange chamber in the concentrated fluid of the high temperature that passes through carry out heat exchange and realize after preheating, then by the outlet 34 of cold inverting chamber, passed in the tank body 1 of prime sewage treatment pot.
Described adjacent heat source capsule 41,42 has oppositely turning degree of freedom or having the rotary freedom of speed discrepancy; The described rotary freedom with speed discrepancy comprises rotating Vortex.
Each Soaking disk structure in described Soaking disk group 43,44 is identical, and Soaking disk structure comprises: a pair of middle part is provided with annulus hole and the ring steel plate 431,432 be arrangeding in parallel, the banded steel plate 433 that the exterior rim sealing of two ring steel plates 431,432 is connected; Described Soaking disk is fixed on heat source tube 41,42 outer tube walls through heat source tube 41,42 sealing, Soaking disk inner chamber is provided with annular heat source blocking-up plate 434 and is positioned in heat source tube 41, heat source tube 41 inner chambers are provided with and the circular thermal source blocking-up plate 435 of annular heat source blocking-up plate 434 in same perpendicular, in circular thermal source blocking-up plate 435 both sides, be distributed with heat source stream through hole 415, Soaking disk is communicated with heat source tube 41 by heat source stream through hole 415, and annular heat source blocking-up plate 434 and circular thermal source blocking-up plate 435 form the thermal source deflector of Soaking disk by heat source stream through hole 415.
The external form of described tank body 1 is square, and tank body 1 structure is comprised of open tank groove 1-1, side seal lid 1-2 and supporting tie-in module.
All openings on tank body 1 are equipped with valve, and extract discharge opening place is provided with spherical valve.
The top of tank body 1 is also provided with safety valve and tensimeter, watermark.
Waste water evaporation is more common a kind for the treatment of process, but the residue of a lot of waste water has cohesiveness, is easy to be attached on heating surface, causes the even equipment scrapping that is obstructed that conducts heat.This equipment has adopted the structure with self-cleaning function, thereby efficiently solves waste residue cohesiveness problem.
Whole system comprises thermal source supply portion, driving part, heat exchange and self-cleaning part composition.
Thermal source part: can use heat-conducting oil furnace, hotblast stove and other heating equipments.
Driving part: adopt sprocket wheel and geartransmission, major equipment has motor, step-down gear, sprocket wheel, gear etc.
Heat exchange and self-cleaning part: this part is mainly comprised of dish-type heating surface, dish-type heating surface inside is added with baffle plate, makes thermal source can pass through whole heating surface, can effectively prevent thermal source circulation short circuit, owing to having increased the thermal source currency, make to conduct heat more stable simultaneously; Between dish-type heating surface, leave minimum gap, in rotation process, can remove the waste residue being bonded on heating surface, reach the object of self-cleaning.
Operational process: thermal source enters dish-type heating surface by tubular shaft, and waste water is heated; Meanwhile, driving part drives dish-type heating surfaces to become counter-rotation by two axles, between dish-type heating surface " scratch " mutually, the adhesive being attached on heating surface is separately dispelled.Dish-type heating surface both added thermal wastewater as heating surface, can dispel again the waste residue being bonded on heating surface, was to kill two birds with one stone.
In experimentation, now produced a sewage treatment equipment that adopts self-cleaning structure, waste water is antibiotic waste water, and its waste residue has extremely strong cohesiveness, and thermal source is heat-conducting oil furnace.Operation, after 48 hours, is processed 2 tons of waste water continuously.By observing, find: between dish-type heating surface, without any adhesive, but also can see metal color, self-cleaning effect is very good.
Claims (8)
1. the sewage treatment pot of a self-cleaning adhesive, structure comprises that top is provided with sewage inlet (11) and vapor recovery mouth (12), bottom is provided with the tank body (1) of extract bleed outlet (13), it is characterized in that: in the structure of described sewage treatment pot, also comprise: two groups or more parallel and spaced heat source tube (41, 42), heat source tube (41, 42) cross the tank body (1) of sewage treatment pot and two ends respectively by sealed rotational pair (411, 412, 421, 422) spacing on tank body (1), adjacent heat source capsule (41, 42) by rotary drive mechanism and transmission rig, there is respectively rotary freedom, heat source tube (41 in tank body (1), 42) stage casing is all fixed with ring-type Soaking disk group (43, 44), adjacent heat source capsule (41, 42) the corresponding Soaking disk on is arranged in a crossed manner successively, Soaking disk is evenly equally spaced, by heat source tube (41, 42) rotation forms rotation and scratches formula self-cleaning mechanism, each Soaking disk structure in described Soaking disk group (43,44) is identical, and Soaking disk structure comprises: a pair of middle part is provided with annulus hole and the ring steel plate (431,432) that be arranged in parallel, banded steel plate (433) that the exterior rim sealing of two ring steel plates (431,432) is connected, described Soaking disk is through heat source tube (41, 42) also sealing is fixed on heat source tube (41, 42) on outer tube wall, Soaking disk inner chamber is provided with annular heat source blocking-up plate (434), and be positioned in heat source tube (41), heat source tube (41) inner chamber is provided with annular heat source blocking-up plate (434) in conplane circular thermal source blocking-up plate (435), in circular thermal source blocking-up plate (435) both sides, be distributed with heat source stream through hole (415), Soaking disk is communicated with heat source tube (41) by heat source stream through hole (415), annular heat source blocking-up plate (434) and circular thermal source blocking-up plate (435) form the thermal source deflector of Soaking disk by heat source stream through hole (415), gap between the upper corresponding Soaking disk arranged in a crossed manner of adjacent heat source capsule (41,42) is 0.5 ~ 1.2mm.
2. the sewage treatment pot of a kind of self-cleaning adhesive according to claim 1, is characterized in that: described adjacent heat source capsule (41,42) has the rotary freedom of synchronous backward or has the rotary freedom of speed discrepancy; The described rotary freedom with speed discrepancy comprises rotating Vortex.
3. the sewage treatment pot of a kind of self-cleaning adhesive according to claim 1, is characterized in that: described heat source tube (41,42) is provided with two groups or three groups, and in same level setting.
4. the sewage treatment pot of a kind of self-cleaning adhesive according to claim 1, is characterized in that: the external form of described tank body (1) is square, and tank body (1) structure is comprised of open tank groove (1-1), side seal lid (1-2) and supporting tie-in module.
5. the sewage treatment pot of a kind of self-cleaning adhesive according to claim 1, is characterized in that: described tank body (1) bottom is also provided with concentrated fluid-evacuation mouth (14).
6. a sewage thermal cycling treatment system, system architecture comprises at least two groups sewage treatment pot claimed in claim 1, it is characterized in that: at the tank body (1 of sewage treatment pot, 2) concentrated fluid-evacuation mouth (14 is set up in bottom, 24), the concentrated fluid-evacuation mouth (14) of the tank body (1) of prime sewage treatment pot is communicated with the sewage inlet (21) of the tank body (2) of rear class sewage treatment pot, in system architecture, set up with cold, the heat exchanger (3) of heat exchange chamber, the concentrated fluid-evacuation mouth (24) of rear class sewage treatment pot is communicated with the entrance (31) of heat exchange chamber in heat exchanger (3), in heat exchanger (3), the outlet (34) of cold inverting chamber and the sewage inlet (11) of prime sewage treatment pot are communicated with, sewage is passed in heat exchanger (3) by the entrance (33) of cold inverting chamber in heat exchanger, through with heat exchange chamber in the concentrated fluid of the high temperature that passes through carry out heat exchange and realize after preheating, then by the outlet (34) of cold inverting chamber, passed in the tank body (1) of prime sewage treatment pot, each Soaking disk structure in described Soaking disk group (43,44) is identical, and Soaking disk structure comprises: a pair of middle part is provided with annulus hole and the ring steel plate (431,432) that be arranged in parallel, banded steel plate (433) that the exterior rim sealing of two ring steel plates (431,432) is connected, described Soaking disk is through heat source tube (41, 42) also sealing is fixed on heat source tube (41, 42) on outer tube wall, Soaking disk inner chamber is provided with annular heat source blocking-up plate (434), and be positioned in heat source tube (41), heat source tube (41) inner chamber is provided with and the circular thermal source blocking-up plate (435) of annular heat source blocking-up plate (434) in same perpendicular, in circular thermal source blocking-up plate (435) both sides, be distributed with heat source stream through hole (415), Soaking disk is communicated with heat source tube (41) by heat source stream through hole (415), annular heat source blocking-up plate (434) and circular thermal source blocking-up plate (435) form the thermal source deflector of Soaking disk by heat source stream through hole (415).
7. a kind of sewage thermal cycling treatment system according to claim 6, is characterized in that: described adjacent heat source capsule (41,42) has oppositely turning degree of freedom or having the rotary freedom of speed discrepancy; The described rotary freedom with speed discrepancy comprises rotating Vortex.
8. a kind of sewage thermal cycling treatment system according to claim 6, is characterized in that: the external form of described tank body (1) is square, and tank body (1) structure is comprised of open tank groove (1-1), side seal lid (1-2) and supporting tie-in module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310023286.0A CN103112910B (en) | 2013-01-23 | 2013-01-23 | Wastewater treatment tank capable of self-cleaning binding materials and wastewater thermal circulation treatment system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310023286.0A CN103112910B (en) | 2013-01-23 | 2013-01-23 | Wastewater treatment tank capable of self-cleaning binding materials and wastewater thermal circulation treatment system |
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| Publication Number | Publication Date |
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| CN103112910A CN103112910A (en) | 2013-05-22 |
| CN103112910B true CN103112910B (en) | 2014-04-30 |
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| CN201310023286.0A Expired - Fee Related CN103112910B (en) | 2013-01-23 | 2013-01-23 | Wastewater treatment tank capable of self-cleaning binding materials and wastewater thermal circulation treatment system |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106237637A (en) * | 2016-10-16 | 2016-12-21 | 石家庄英之杰化工机械有限公司 | A kind of horizontal rotating disk vaporizer |
| CN107120670B (en) * | 2017-05-18 | 2018-10-30 | 安徽普瑞普勒传热技术有限公司 | A kind of boiler residual neat recovering system |
| CN113509801A (en) * | 2021-05-11 | 2021-10-19 | 刘雅雯 | Chemical waste gas treatment purifies environment-friendly device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2668626Y (en) * | 2004-07-12 | 2005-01-05 | 王鹏 | Combined sewage treatment apparatus |
| CN101143297B (en) * | 2006-09-15 | 2010-08-18 | 中国石油化工股份有限公司 | Sewage storage tank exhaust air-release purification processing method |
| CN101012071B (en) * | 2007-01-31 | 2010-10-27 | 华北电力大学 | Film-shell type multiple-effect film-reducing distillation sea-water desalinating device |
| US8123959B2 (en) * | 2007-11-28 | 2012-02-28 | 3M Innovative Properties Company | Treatment of solid particles with functional agents |
| CN102358678B (en) * | 2011-09-20 | 2013-09-04 | 合肥学院 | Sludge desiccation system |
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Effective date of registration: 20170126 Address after: 050200 Hebei City, Shijiazhuang Province, the town of Luquan District Shi Zhen Yan Road, No. 66 Patentee after: HEBEI GOLD BANGZI BOILER CO.,LTD. Address before: 050200 Luquan, Shijiazhuang City, the town of Jiang Shi Yan Road, No. 66 Patentee before: Chen Sheting |
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Granted publication date: 20140430 |