CN116606050B - Comprehensive treatment system for sludge innocent treatment and recycling - Google Patents
Comprehensive treatment system for sludge innocent treatment and recycling Download PDFInfo
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- CN116606050B CN116606050B CN202310724647.8A CN202310724647A CN116606050B CN 116606050 B CN116606050 B CN 116606050B CN 202310724647 A CN202310724647 A CN 202310724647A CN 116606050 B CN116606050 B CN 116606050B
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- 239000010802 sludge Substances 0.000 title claims abstract description 227
- 238000004064 recycling Methods 0.000 title claims abstract description 40
- 238000000926 separation method Methods 0.000 claims abstract description 70
- 238000006243 chemical reaction Methods 0.000 claims abstract description 42
- 239000007788 liquid Substances 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000002156 mixing Methods 0.000 claims abstract description 24
- 238000001035 drying Methods 0.000 claims abstract description 21
- 239000010865 sewage Substances 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims description 82
- 238000003825 pressing Methods 0.000 claims description 35
- 238000001914 filtration Methods 0.000 claims description 15
- 230000000903 blocking effect Effects 0.000 claims description 12
- 230000018044 dehydration Effects 0.000 claims description 11
- 238000006297 dehydration reaction Methods 0.000 claims description 11
- 238000001125 extrusion Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 230000033001 locomotion Effects 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 5
- 239000000706 filtrate Substances 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 4
- 230000000593 degrading effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 15
- 230000009286 beneficial effect Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 208000005156 Dehydration Diseases 0.000 description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 239000003546 flue gas Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 239000004484 Briquette Substances 0.000 description 4
- 230000001580 bacterial effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000003895 organic fertilizer Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- -1 small molecule compound Chemical class 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/20—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by expressing the material, e.g. through sieves and fragmenting the extruded length
-
- 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
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
-
- 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
- C02F11/18—Treatment of sludge; Devices therefor by thermal conditioning
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F7/00—Fertilisers from waste water, sewage sludge, sea slime, ooze or similar masses
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention relates to the technical field of sludge treatment, in particular to a comprehensive treatment system for sludge innocuity and recycling, which comprises the following components: the sludge receiving tank is used for receiving sludge in the municipal sewage pipe network; the sludge blending tank is connected with the sludge receiving tank and used for blending the water content of the sludge; the high-temperature high-pressure reaction tank is connected with the sludge blending tank and is used for carrying out heat treatment on the sludge blended to the preset water content; the solid-liquid separation device is connected with the high-temperature high-pressure reaction tank and is used for carrying out solid-liquid separation treatment on the sludge after heat treatment; and the drying tank is connected with the solid-liquid separation device and is used for drying the separated sludge. The comprehensive treatment system for sludge innocuity and recycling can be connected with the municipal sewage pipe network to perform innocuity and recycling treatment on sludge discharged from the municipal sewage pipe network, and improve the sludge recycling effect.
Description
Technical Field
The invention relates to the technical field of sludge treatment, in particular to a comprehensive treatment system for sludge innocuity and recycling.
Background
Along with the rapid development of urban treatment, the sewage quantity generated by an urban sewage pipe network is far more, the scale of more and more sewage treatment plants is enlarged, the excess sludge generated by a biochemical system is more and more, the sludge treatment is difficult and secondary pollution is easy to generate, and the recycling and harmless environmental protection treatment of the excess sludge are always difficult problems faced by sewage treatment operation units, so that the influence on the environment is reduced, and the recycling, harmless and environmental protection treatment is carried out on the excess sludge.
For example, patent number is CN 202110290886.8's mud resourceful treatment device, a municipal sludge regeneration resourceful treatment device relates to the field of sludge treatment technique, and it includes the base, the outlet duct, be provided with first flue gas filtering mechanism and second flue gas filtering mechanism on the base, first flue gas filtering mechanism includes the mounting cylinder that link up with the outlet duct and be connected, a plurality of mounting panels that can dismantle on the mounting cylinder, set up first clean subassembly on the mounting panel, first clean subassembly is arranged in the inner chamber of mounting cylinder, second flue gas filtering mechanism includes the filter vat, set up the clean subassembly of second in the filter vat, mounting cylinder and filter vat link up and be connected. Although the device can improve the influence of the flue gas generated in the sludge incineration process on the air pollution, the recycling effect on the sludge is poor, and the sludge cannot be recycled.
And the municipal sludge recycling treatment device comprises a sludge conveying mechanism and a drying post-treatment mechanism, wherein the sludge conveying mechanism consists of a base and a conveying box body, the surface of the upper end of the base is fixedly connected to the bottom surface of the lower end of the conveying box body, the drying post-treatment mechanism consists of a conveying belt and a crushing roller wheel, the lower end of the conveying belt is fixedly connected with a first supporting seat, and the right side surface of the first supporting seat is fixedly connected with a second supporting seat. The device is through setting up screw push rod for mud is after getting into the inside of carrying the box through the pan feeding mouth, through screw push rod's continuous screw rotation, drives mud and removes to the right side, makes mud remove passively at screw push rod's drive, and can carry out preliminary dehydration to mud to a great extent under screw push rod drives mud and carries the extrusion effect of box. Although the device can treat sludge to a certain extent, the device cannot efficiently recycle and effectively utilize the sludge, can not treat organic matters in the sludge, can simply dehydrate and recycle the sludge, and cannot achieve better recycling effect.
Disclosure of Invention
In the summary, a series of concepts in a simplified form are introduced, which will be further described in detail in the detailed description.
The comprehensive treatment system for sludge innocuity and recycling can be connected with the municipal sewage pipe network to perform innocuity and recycling treatment on sludge discharged from the municipal sewage pipe network, and improve the sludge recycling effect.
In order to at least partially solve the above problems, the present invention provides a sludge harmless and recycling integrated treatment system, comprising:
the sludge receiving tank is used for receiving sludge in the municipal sewage pipe network;
the sludge blending tank is connected with the sludge receiving tank and used for blending the water content of the sludge;
the high-temperature high-pressure reaction tank is connected with the sludge blending tank and is used for carrying out heat treatment on the sludge blended to the preset water content;
the solid-liquid separation device is connected with the high-temperature high-pressure reaction tank and is used for carrying out solid-liquid separation treatment on the sludge after heat treatment;
and the drying tank is connected with the solid-liquid separation device and is used for drying the separated sludge.
Optionally, the comprehensive treatment system for sludge innocuity and recycling further comprises a biological reaction tank, wherein the biological reaction tank is connected between the sludge blending tank and the high-temperature high-pressure reaction tank.
Optionally, the biological reaction tank is connected with a strain supply device, so that strains for degrading organic substances in the sludge are put into the biological reaction tank through the strain supply device.
Optionally, a gas collecting device is arranged on the high-temperature high-pressure reaction tank to collect gas generated when the water-containing sludge is subjected to heat treatment in the high-temperature high-pressure reaction tank.
Optionally, a filter grid is arranged at the receiving opening of the sludge receiving tank so as to block and filter sundries in the sludge.
Optionally, the comprehensive treatment system for sludge innocuity and recycling further comprises a circulating pipeline device, wherein two ends of the circulating pipeline device are respectively connected with the solid-liquid separation device and the sludge blending tank so as to send part of filtrate separated by the solid-liquid separation device back into the sludge blending tank.
Optionally, the solid-liquid separation device comprises a separation box with sieve holes on the bottom surface, and inclined plate structures are arranged below the left side and the right side of the separation box; the middle part of the separation box is in sliding fit with a briquetting mechanism, the left side and the right side of the briquetting mechanism are respectively provided with an inclined pressing surface, and the inclined pressing surfaces positioned on the same side are arranged in parallel with the inclined plate structure; the pressing block mechanism is connected with a driving mechanism arranged on the separation box so as to slide in the separation box under the control of the driving mechanism.
Optionally, a plurality of secondary filtering holes are arranged below each inclined plate structure, and a penetrating inclined slideway is arranged in the middle of each inclined plate structure; the two baffle mechanisms are positioned at the left side and the right side of the briquetting mechanism and can slide upwards in the inclined slideway under the transmission control of the briquetting mechanism; and a sludge discharge hole is formed above each inclined plate structure, and an inclined sludge guide opening is fixed at the outer side of each sludge discharge hole.
Optionally, the briquetting mechanism comprises a briquetting body sliding on the inner side surface of the separation box in a left-right reciprocating manner, and two inclined press surfaces are oppositely arranged on two sides of the briquetting body; the transverse slideways at the left side and the right side of the pressing block body are respectively provided with a guide slide block with an upper inclined plane in a sliding way, and the two guide slide blocks are respectively connected with a vertical plate at the center of the pressing block body through a plurality of reset pressure springs; a linkage frame is fixed on the vertical plate, one end of the linkage frame is connected with the driving mechanism, and the linkage frame is positioned between the two baffle mechanisms.
Optionally, the baffle mechanism comprises a baffle body, wherein the lower end of the baffle body slides in the inclined slide way, a limit column fixed on the side part of the baffle body slides in the limit slide way on the side part of the inclined plate structure, the upper end of the baffle body is rotationally connected with the upper end of the inclined connecting rod, the lower end of the inclined connecting rod is rotationally arranged at the lower end of the linkage slide block, the linkage slide block slides in the transverse slide way on the outer side surface of the separation box, and the linkage slide block is fixedly connected with one end of the transverse slide way through a plurality of compression springs; one end of the linkage slide block, which is close to the linkage frame, can be in pressing fit with the linkage frame.
Optionally, the comprehensive treatment system for sludge innocuity and recycling further comprises a dry material crushing device, wherein the dry material crushing device is connected to the outlet of the drying tank so as to crush the sludge subjected to drying treatment in the drying tank. The crushed sludge particles can be mixed with fuel to be used as auxiliary fuel or used as organic fertilizer.
The invention has the beneficial effects that:
the sludge innocent and recycling comprehensive treatment system is internally provided with the sludge receiving tank, can receive the sludge in the urban sewage pipe network, and performs primary screening treatment on the sludge to remove solid wastes such as large-volume garbage in the sludge; the sludge blending tank is arranged in the sludge treatment device, so that the water content of the sludge can be blended, and the sludge can be conveniently blended into the sludge with the water content of 87-90%, thereby maximally exerting the efficiency and the level of the sludge treatment process; the inside still is equipped with high temperature high pressure retort, and under high temperature high pressure condition, the organic matter in the mud can be decomposed into small molecule compound to realize the reduction treatment of mud, be convenient for form recycle's organic material, and the mud can reduce greatly for original after thermochemical treatment, this processing cost of having saved has also made things convenient for simultaneously mud follow-up handling and transportation.
In order to make the above objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of an overall structure according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a solid-liquid separation device according to a first direction provided in an embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating a second direction of a solid-liquid separation device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a separation tank according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a briquetting mechanism according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a driving mechanism according to an embodiment of the present invention;
FIG. 7 is a schematic view of a baffle mechanism according to an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a briquette body according to an embodiment of the present invention;
FIG. 9 is a schematic diagram II of a structure of a briquette body according to an embodiment of the invention;
fig. 10 is a schematic structural diagram of a flow guiding slider according to an embodiment of the present invention.
Icon: a sludge receiving tank 1; a sludge blending tank 2; a biological reaction tank 3; a high-temperature high-pressure reaction tank 4; a solid-liquid separation device 5; a drying tank 6; a drier crushing device 7; a seed supply device 8; a gas collection device 9; a circulation line device 10; a separation tank 11; a briquetting mechanism 12; a driving mechanism 13; a shutter mechanism 14; a tilting mud guiding port 15; a briquette body 16; a flow guiding slide 17; resetting the compression spring 18; a linkage frame 19; a baffle body 20; a tilt link 21; a linkage slider 22; a compression spring 23; a longitudinal slide 24; a tension spring 25; a drive motor 26; a swing link 27; push-pull shaft 28.
Detailed Description
In order to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below, and it is obvious that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
The present invention is described in further detail below with reference to the drawings and examples to enable those skilled in the art to practice the invention by referring to the description.
It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
The invention is described in further detail below with reference to fig. 1-10.
Example 1
As shown in fig. 1 to 10, a sludge harmless and recycling integrated treatment system comprises:
a sludge receiving tank 1 for receiving sludge in the municipal sewage pipe network;
the sludge blending tank 2 is connected with the sludge receiving tank 1 and is used for blending the water content of the sludge;
a high-temperature high-pressure reaction tank 4 connected with the sludge blending tank 2 for performing heat treatment on the sludge blended to a preset water content;
the solid-liquid separation device 5 is connected with the high-temperature high-pressure reaction tank 4 and is used for carrying out solid-liquid separation treatment on the sludge after heat treatment;
and the drying tank 6 is connected with the solid-liquid separation device 5 and is used for drying the separated sludge.
The working principle and beneficial effects of the technical scheme are as follows:
the comprehensive treatment system for sludge innocuity and recycling can effectively realize sludge innocuity and recycling, the sludge receiving tank 1 is arranged in the system, and the sludge receiving tank 1 can be connected and communicated with the urban sewage pipe network through a pipeline, so that sludge in the urban sewage pipe network is treated, and the effects of dredging, sludge reduction and sludge recycling of the sewage pipe network are achieved; the sludge in the urban sewage pipe network firstly enters the sludge receiving tank 1, the sludge can be subjected to preliminary screening treatment through the sludge receiving tank 1, large-volume impurities in the sludge are filtered, and a metal adsorber can be arranged in the sludge receiving tank 1, so that metal ions in the sludge can be adsorbed on the surface of the metal adsorber, and the concentration of metal pollution in the sludge is effectively reduced; the sludge subjected to preliminary filtration and metal adsorption treatment can enter a sludge blending tank 2 through a pipeline with a pumping pump so as to blend the sludge into sludge with the water content of 87% -90%, when the sludge is treated, the sludge is blended into the sludge with the water content of 87% -90%, so that the efficiency and the level of the sludge treatment process can be brought into full play, a large amount of energy and time cost are saved in the subsequent treatment process, then the sludge blended into the preset water content can enter a high-temperature high-pressure reaction tank 4 through the pipeline with the pumping pump, under the high-temperature high-pressure condition in the high-temperature high-pressure reaction tank 4, the wall breaking and the temperature of 1.25Mpa are optimized, the high-temperature high-pressure fracturing decomposition reaction is carried out on the sludge, the miscellaneous bacteria in the sludge are eliminated, the conversion of high-molecular organic matters in the sludge is accelerated, and the volume of the sludge is greatly reduced compared with the original sludge after the thermochemical treatment, so that the treatment cost is saved, and the subsequent treatment and transportation of the sludge is convenient; the sludge with high water content can better carry out mass transfer and reaction, and is beneficial to improving the treatment efficiency and the reaction speed; the sludge subjected to high-temperature and high-pressure treatment enters a solid-liquid separation device 5 for solid-liquid separation treatment, the separated filtrate can be recycled, the separated sludge enters a drying tank 6 for drying treatment through the drying tank 6, the volume of the sludge is greatly reduced, and the dried sludge can be recycled; the high-temperature high-pressure reaction tank 4 and the drying tank 6 are conventional equipment purchased in the market and have no special structural design.
Example two
As shown in fig. 1-10, the comprehensive treatment system for sludge harmless and recycling further comprises a biological reaction tank 3, wherein the biological reaction tank 3 is connected between the sludge blending tank 2 and the high-temperature high-pressure reaction tank 4.
The working principle and beneficial effects of the technical scheme are as follows:
in the sludge harmless and recycling integrated treatment system, the sludge prepared by the sludge preparation tank 2 firstly enters the biological reaction tank 3, the sludge carries out biological reaction in the biological reaction tank 3, and the biological reaction degrades organic matters in the sludge into available organic fertilizer and can remove part of pollutants; then, the residue of the biological reaction is sent into a high-temperature high-pressure reaction tank 4 for high-temperature high-pressure heat treatment, so that the residual pollutants are further removed, and the harmless treatment effect can be improved. The treatment method not only can realize the efficient treatment of the sludge, but also can fully utilize valuable organic substances contained in the sludge, thereby achieving the dual purposes of environmental protection and resource utilization.
Example III
As shown in fig. 1 to 10, the biological reaction tank 3 is connected with a strain supply device 8, so that strains for degrading organic substances in sludge are put into the biological reaction tank 3 through the strain supply device 8.
The working principle and beneficial effects of the technical scheme are as follows:
in the sludge harmless and recycling integrated treatment system, the bacterial seedling is periodically thrown into the reactor by the bacterial seedling supply device 8, so that the stability and uniformity of the bacterial population density and activity are ensured, and manual replenishment, such as nutrient addition, bacterial population protection and other measures, can be performed when needed; the strain supply device 8 is arranged, so that stable supply of strains can be realized, the efficiency and stability of sludge treatment are improved, and meanwhile, the manual intervention and the cost can be reduced.
The high-temperature high-pressure reaction tank 4 is provided with a gas collecting device 9 for collecting gas generated when the water-containing sludge is subjected to heat treatment in the high-temperature high-pressure reaction tank 4.
A filter grid is arranged at the receiving opening of the sludge receiving tank 1 to block and filter sundries in the sludge.
The comprehensive treatment system for sludge innocuity and recycling also comprises a circulating pipeline device 10, wherein two ends of the circulating pipeline device 10 are respectively connected with the solid-liquid separation device 5 and the sludge blending tank 2 so as to send part of filtrate separated by the solid-liquid separation device 5 back into the sludge blending tank 2.
The comprehensive treatment system for sludge innocuity and recycling also comprises a dry material crushing device 7, wherein the dry material crushing device 7 is connected to the outlet of the drying tank 6 to crush the sludge subjected to drying treatment by the drying tank 6.
Example IV
As shown in fig. 1-10, the solid-liquid separation device 5 comprises a separation box 11 with sieve holes on the bottom surface, and inclined plate structures are arranged below the left side and the right side of the separation box 11; the middle part of the separation box 11 is in sliding fit with the pressing block mechanism 12, the left side and the right side of the pressing block mechanism 12 are respectively provided with an inclined pressing surface, and the inclined pressing surfaces positioned on the same side are arranged in parallel with the inclined plate structure; the pressing mechanism 12 is connected to a driving mechanism 13 provided on the separation tank 11 to slide in the separation tank 11 under the control of the driving mechanism 13.
The working principle and beneficial effects of the technical scheme are as follows:
in the comprehensive treatment system for sludge innocuity and recycling, the solid-liquid separation device 5 is structurally arranged, so that solid-liquid separation treatment can be carried out on sludge subjected to high-temperature and high-pressure treatment, two sludge input areas are formed between the separation box 11 and the left side and the right side of the briquetting mechanism 12, after the sludge is input into the sludge input areas, the driving mechanism 13 is driven, the briquetting mechanism 12 can be driven to carry out reciprocating sliding motion in the left-right direction in the separation box 11 after the driving mechanism 13 is started, thereby carrying out reciprocating extrusion dehydration on the sludge in the sludge input areas, water in the sludge can be discharged through sieve holes on the bottom surface of the separation box 11, and the bottom surface of the separation box 11 can be connected with a filtrate collecting box so as to collect filtered water; the lower parts of the left side and the right side of the separation box 11 are respectively provided with an inclined pressing surface, and the inclined pressing surfaces are arranged in parallel to be matched with the inclined pressing surfaces to squeeze the sludge, so that the squeezing and dewatering effects are good; and the briquetting mechanism 12 performs reciprocating sliding motion in the left-right direction in the separation box 11, so that when the briquetting mechanism 12 moves and extrudes to the sludge input area on one side, the sludge is input to the sludge input area on the other side, thereby realizing continuous treatment of the sludge and improving the solid-liquid separation efficiency and effect of the sludge.
Example five
As shown in fig. 1-10, a plurality of secondary filtering holes are arranged below each inclined plate structure, and a penetrating inclined slideway is arranged in the middle of each inclined plate structure; the two baffle mechanisms 14 are positioned at the left side and the right side of the briquetting mechanism 12 and can slide upwards in the inclined slideway under the transmission control of the briquetting mechanism 12; a sludge discharge hole is arranged above each inclined plate structure, and an inclined sludge guide opening 15 is fixed at the outer side of each sludge discharge hole.
The working principle and beneficial effects of the technical scheme are as follows:
in the sludge harmless and recycling integrated treatment system, when a briquetting mechanism 12 extrudes sludge to a certain extent, the briquetting mechanism 12 can move to a position contacted with a baffle mechanism 14 at one side, and gradually generates thrust to the baffle mechanism 14, so that the baffle mechanism 14 slides upwards for a certain distance in an inclined slideway under the action of the jacking transmission of the briquetting mechanism 12, and the blocking of a plurality of secondary filtering holes on a blocking inclined plate structure is sequentially released from top to bottom along with the continuous movement of the briquetting mechanism 12, so that the sludge can be further extruded and filtered through the plurality of secondary filtering holes on the inclined plate structure, and the blocking of the plurality of secondary filtering holes on the inclined plate structure is sequentially released from bottom to top, so that water in the sludge of the briquetting mechanism 12 is further extruded, and the water flows downwards along the inclined plate structure; when the briquetting mechanism 12 extrudes sludge to a certain extent, the blocking of the sludge discharge hole is gradually relieved by the baffle mechanism 14, at the moment, the sludge can enter the sludge discharge hole under the extrusion of the briquetting mechanism 12 and is discharged through the inclined sludge guide opening 15 at the outer side of the sludge discharge hole, so that the sludge is conveniently put into the sludge again for dehydration treatment, the dehydration effect is good, the dehydration efficiency is high, the sludge can be further crushed or dried subsequently, and corresponding equipment can be selected according to actual requirements.
Example six
As shown in fig. 1-10, the briquetting mechanism 12 comprises a briquetting body 16 sliding on the inner side surface of the separation box 11 in a left-right reciprocating manner, and two inclined press surfaces are oppositely arranged on two sides of the briquetting body 16; the transverse slideways at the left side and the right side of the pressing block body 16 are respectively provided with a guide slide block 17 with an upper inclined plane in a sliding way, and the two guide slide blocks 17 are respectively connected with a vertical plate at the center of the pressing block body 16 through a plurality of reset pressure springs 18; a linkage frame 19 is fixed on the vertical plate, one end of the linkage frame 19 is connected with the driving mechanism 13, and the linkage frame 19 is positioned between the two baffle mechanisms 14.
The working principle and beneficial effects of the technical scheme are as follows:
in the sludge harmless and recycling integrated treatment system, after the driving mechanism 13 is started, the linkage frame 19 can be driven to reciprocate in the left-right direction, so that the vertical plate is driven to move through the linkage frame 19, and the briquetting body 16 is driven to move; the two inclined pressing surfaces on the two sides of the pressing block body 16 are used for being matched with the inclined plate structures on the left side and the right side of the separation box 11 to squeeze and dewater sludge and squeeze and discharge the sludge, the guide slide blocks 17 with upper inclined surfaces slide in the transverse slide ways on the left side and the right side of the pressing block body 16 respectively, when the pressing block body 16 slides to the inclined plate structure on one side, the guide slide blocks 17 can play a role of blocking and limiting, when the guide slide blocks 17 move to be contacted with the vertical surfaces on the side wall of the separation box 11, the sludge investment among the separation box 11, the pressing block body 16 and the guide slide blocks 17 is sealed, so that a closed sludge squeezing and filtering area is formed, when the pressing block body 16 moves, water is hydraulically discharged through sieve holes, so that the sludge is prevented from moving upwards in the squeezing process, and water in the sludge is more effectively separated; along with the extrusion of the sludge, the interval between the briquetting body 16 and the inclined plate structure is smaller and smaller, the interval between the flow guide sliding block 17 and the vertical plate in the center of the briquetting body 16 is smaller, and the flow guide sliding block 17 compresses a plurality of reset pressure springs 18; in addition, be equipped with the upper inclined plane on the water conservancy diversion slider 17 for the mud of throwing into can down the landing, be difficult for being blocked by water conservancy diversion slider 17, guarantee the unloading effect.
Example seven
As shown in fig. 1-10, the baffle mechanism 14 includes a baffle body 20 with a lower end sliding in an inclined slideway, a limit post on the side of the baffle body 20 sliding in a limit slideway on the side of the inclined plate structure, an upper end of the baffle body 20 rotationally connected with an upper end of an inclined connecting rod 21, a lower end of the inclined connecting rod 21 rotationally connected with a lower end of a linkage slide block 22, the linkage slide block 22 sliding in a transverse slideway on the outer side of the separation box 11, and the linkage slide block 22 fixedly connected with one end of the transverse slideway through a plurality of compression springs 23; one end of the linkage slide block 22, which is close to the linkage frame, can be in pressing fit with the linkage frame 19.
The working principle and beneficial effects of the technical scheme are as follows:
in the sludge harmless and recycling integrated treatment system, the other end of the linkage frame 19 is positioned between two baffle mechanisms 14, the linkage frame 19 is not contacted with the two baffle mechanisms 14 under the conventional state, a certain distance exists between the two baffle mechanisms 14 and the linkage frame 19, when extrusion dehydration reaches a certain degree, after the linkage frame 19 moves for a certain distance, the linkage frame 19 moves to be contacted with the linkage slide block 22, at the moment, the transmission linkage slide block 22 can be pushed to slide outwards, one end of the inclined connecting rod 21 is driven to move outwards through the linkage slide block 22, the other end of the inclined connecting rod 21 drives the baffle body 20 to move upwards, so that the baffle body 20 is controlled to gradually release the blocking of the inclined slideway, the blocking of a plurality of secondary filtering holes is gradually released, the sludge is extruded and dehydrated again, the dehydration effect of the sludge is guaranteed to a certain degree, and when the sludge is dehydrated further to a certain extent, the blocking of the sludge discharge hole is gradually released by the upward movement of the baffle body 20, at the moment, the sludge can enter into the sludge discharge hole under the extrusion of the pressing block mechanism 12, and is discharged through the inclined mud guide hole 15 outside the sludge discharge hole, and solid-liquid separation is facilitated again; after dehydration is completed, when the briquetting mechanism 12 drives the linkage frame 19 to move in a direction away from the linkage slide block 22, the linkage slide block 22 moves towards the center under the action of the elastic force of the compression springs 23, and when the linkage slide block 22 moves, the baffle body 20 is driven to be plugged in the inclined slideway again through the inclined connecting rod 21 and is matched with the self gravity of the baffle body 20, so that the reset effect of the baffle body 20 is better.
Example eight
As shown in fig. 1 to 10, a longitudinal sliding plate 24 slides in two longitudinal sliding ways of the briquette body 16 respectively, and the bottoms of the two longitudinal sliding plates 24 are propped and slide on the two flow guiding sliding blocks 17; the transverse plates at the side parts of the two longitudinal sliding plates 24 are fixedly connected with the bottom surfaces of the two longitudinal sliding ways through tension springs 25.
The driving mechanism 13 comprises a driving motor 26, the driving motor 26 is fixed on the separation box 11 through a motor base, one end of a swing rod 27 is fixed on an output shaft of the driving motor 26, the other end of the swing rod 27 is fixed with a push-pull shaft 28, and the push-pull shaft 28 slides in a vertical sliding groove at one end of the linkage frame 19.
The working principle and beneficial effects of the technical scheme are as follows:
in the sludge harmless and recycling comprehensive treatment system, the two longitudinal slides of the pressing block body 16 are respectively provided with the longitudinal slide plates 24 in a sliding manner, under the conventional state, the bottoms of the two longitudinal slide plates 24 are propped against the two guide slide blocks 17 under the elastic action of the tensioning tension springs 25, when the guide slide blocks 17 are contacted with the inner wall of the separation box 11 so as to slide towards the inside of the transverse slide ways, the contact positions of the guide slide blocks 17 and the longitudinal slide plates 24 can be changed, so that sludge on the top surfaces of the guide slide blocks 17 is scraped through the longitudinal slide plates 24, the sludge falls below the separation box 11, and when the longitudinal slide plates 24 are contacted with the upper inclined surfaces of the guide slide blocks 17, the upper inclined surfaces can be cleaned under the elastic action of the tensioning tension springs 25, so that the cleaning effect is good.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the invention would be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (6)
1. A comprehensive treatment system for sludge innocuity and recycling is characterized by comprising:
a sludge receiving tank (1) for receiving sludge in the municipal sewage pipe network;
a sludge blending tank (2) connected with the sludge receiving tank (1) for blending the water content of the sludge;
a high-temperature high-pressure reaction tank (4) connected with the sludge blending tank (2) for performing heat treatment on the sludge blended to a preset water content;
the solid-liquid separation device (5) is connected with the high-temperature high-pressure reaction tank (4) and is used for carrying out solid-liquid separation treatment on the sludge after heat treatment;
a drying tank (6) connected with the solid-liquid separation device (5) for drying the separated sludge;
the solid-liquid separation device (5) comprises a separation box (11) with sieve holes on the bottom surface, and inclined plate structures are arranged below the left side and the right side of the separation box (11); the middle part of the separation box (11) is in sliding fit with a pressing block mechanism (12), the left side and the right side of the pressing block mechanism (12) are respectively provided with an inclined pressing surface, and the inclined pressing surfaces positioned on the same side are arranged in parallel with the inclined plate structure; the briquetting mechanism (12) is connected with a driving mechanism (13) arranged on the separation box (11) so as to slide in the separation box (11) under the control of the driving mechanism (13);
two sludge input areas are formed between the left side and the right side of the separation box (11) and the briquetting mechanism (12), after the sludge is input into the sludge input areas, the driving mechanism (13) is driven, the briquetting mechanism (12) is driven to perform reciprocating sliding motion in the left-right direction in the separation box (11) after the driving mechanism (13) is started, so that the sludge in the sludge input areas is subjected to reciprocating extrusion dehydration, and water and liquid in the sludge are discharged through sieve holes on the bottom surface of the separation box (11);
a plurality of secondary filtering holes are arranged below each inclined plate structure, and a penetrating inclined slideway is arranged in the middle of each inclined plate structure; the two baffle mechanisms (14) are positioned at the left side and the right side of the briquetting mechanism (12), and slide upwards in the inclined slideway under the transmission control of the briquetting mechanism (12); a sludge discharge hole is arranged above each inclined plate structure, and an inclined sludge guide opening (15) is fixed at the outer side of the sludge discharge hole;
the briquetting mechanism (12) comprises a briquetting body (16) which slides on the inner side surface of the separation box (11) in a left-right reciprocating manner, and two inclined press surfaces are oppositely arranged on two sides of the briquetting body (16); a guide slide block (17) with an upper inclined plane slides in the transverse slide ways at the left side and the right side of the pressing block body (16), and the two guide slide blocks (17) are respectively connected with a vertical plate at the center of the pressing block body (16) through a plurality of reset pressure springs (18); a linkage frame (19) is fixed on the vertical plate, one end of the linkage frame (19) is connected with the driving mechanism (13), and the linkage frame (19) is positioned between the two baffle mechanisms (14);
when the briquetting body (16) slides to a sloping plate structure at one side, the flow guide sliding block (17) plays a role of blocking and limiting, when the flow guide sliding block (17) moves to be in contact with a vertical surface of the side wall of the separation box (11), sludge investment among the separation box (11), the briquetting body (16) and the flow guide sliding block (17) is sealed, so that a closed sludge extrusion filtering area is formed, water is hydraulically discharged through sieve holes when the briquetting body (16) moves, and the upward movement of the sludge in the extrusion process is prevented;
the baffle mechanism (14) comprises a baffle body (20) with the lower end sliding in the inclined slide way, a limit column at the side part of the baffle body (20) slides in the limit slide way at the side part of the inclined plate structure, the upper end of the baffle body (20) is rotationally connected with the upper end of the inclined connecting rod (21), the lower end of the inclined connecting rod (21) is rotationally connected with the lower end of the linkage sliding block (22), the linkage sliding block (22) slides in the transverse slide way at the outer side surface of the separation box (11), and the linkage sliding block (22) is fixedly connected with one end of the transverse slide way through a plurality of compression springs (23); one end of the linkage slide block (22) close to the linkage frame is in pressing fit with the linkage frame (19);
the linkage frame (19) is not contacted with the two baffle mechanisms (14) in a normal state, a certain distance exists between the two baffle mechanisms (14) and the linkage frame (19), when extrusion dehydration reaches a certain degree, the linkage frame (19) moves to be contacted with the linkage slide block (22) after a certain distance, the top pressure transmission linkage slide block (22) slides outwards, one end of the inclined connecting rod (21) is driven to move outwards through the linkage slide block (22), the other end of the inclined connecting rod (21) drives the baffle body (20) to move upwards, so that the baffle body (20) is controlled to gradually release the blocking of the inclined slide way, the blocking of a plurality of secondary filtering holes is gradually released, when the baffle body (20) moves upwards to a certain extent, the blocking of a sludge discharge hole is gradually released, at the moment, sludge enters into the sludge discharge hole under the extrusion of the pressing block mechanism (12) and is discharged through the inclined guide opening (15) at the outer side of the sludge discharge hole, after the dehydration is finished, the pressing mechanism (12) drives the frame (19) to move outwards in the direction away from the slide block (22), the inclined connecting rod (22) moves upwards under the action of the inclined spring (22) to drive the inclined connecting rod (22) to move inwards through the inclined spring (23) to block (20);
a longitudinal sliding plate (24) slides in two longitudinal sliding ways of the pressing block body (16), and the bottoms of the two longitudinal sliding plates (24) are propped and slide on the two flow guide sliding blocks (17); the transverse plates at the side parts of the two longitudinal sliding plates (24) are fixedly connected with the bottom surfaces of the two longitudinal sliding ways through tension springs (25).
2. The sludge harmless and recycling integrated treatment system according to claim 1, further comprising a biological reaction tank (3), wherein the biological reaction tank (3) is connected between the sludge blending tank (2) and the high-temperature high-pressure reaction tank (4).
3. The sludge harmless and recycling integrated treatment system according to claim 2, wherein the biological reaction tank (3) is connected with a strain supply device (8) so as to input a strain for degrading organic substances in the sludge into the biological reaction tank (3) through the strain supply device (8).
4. The sludge harmless and recycling integrated treatment system according to claim 1, wherein the high-temperature high-pressure reaction tank (4) is provided with a gas collecting device (9) for collecting gas generated when the water-containing sludge is subjected to heat treatment in the high-temperature high-pressure reaction tank (4).
5. The sludge harmless and recycling integrated treatment system according to claim 1, wherein a filter grid is arranged at the receiving port of the sludge receiving tank (1) so as to block and filter sundries in the sludge.
6. The sludge harmless and recycling integrated treatment system according to claim 1, further comprising a circulating pipeline device (10), wherein two ends of the circulating pipeline device (10) are respectively connected with the solid-liquid separation device (5) and the sludge blending tank (2) so as to send part of filtrate separated by the solid-liquid separation device (5) back to the sludge blending tank (2).
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| CN202310724647.8A CN116606050B (en) | 2023-06-19 | 2023-06-19 | Comprehensive treatment system for sludge innocent treatment and recycling |
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| CN202310724647.8A CN116606050B (en) | 2023-06-19 | 2023-06-19 | Comprehensive treatment system for sludge innocent treatment and recycling |
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| CN116606050B true CN116606050B (en) | 2023-12-22 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108000930A (en) * | 2017-12-04 | 2018-05-08 | 东莞市天合机电开发有限公司 | A kind of extruder of left and right glding type strip sludge |
| CN209548845U (en) * | 2018-10-11 | 2019-10-29 | 禹州华德环保科技有限公司 | A kind of mud filter |
| CN211921275U (en) * | 2020-02-22 | 2020-11-13 | 成都新宏基科技发展有限公司 | Sludge resource intelligent disposal tower |
| CN112679027A (en) * | 2020-12-14 | 2021-04-20 | 张国玉 | Water conservancy rubbish separation sewage treatment device |
| EP3838851A1 (en) * | 2019-12-16 | 2021-06-23 | Silva, José Oswaldo da | Apparatus and method for dewatering and compacting sludge, wastes, pasty materials and liquid suspensions |
| CN215209066U (en) * | 2021-03-30 | 2021-12-17 | 辽宁省交通高等专科学校 | Sludge dewatering device for anaerobic digestion gas production of sludge |
| CN216129487U (en) * | 2021-11-18 | 2022-03-25 | 潘飞 | Sludge treatment device for municipal construction |
| CN115626753A (en) * | 2022-10-25 | 2023-01-20 | 福建省明能新型建材有限公司 | Sewage sludge dewatering mummification device |
-
2023
- 2023-06-19 CN CN202310724647.8A patent/CN116606050B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108000930A (en) * | 2017-12-04 | 2018-05-08 | 东莞市天合机电开发有限公司 | A kind of extruder of left and right glding type strip sludge |
| CN209548845U (en) * | 2018-10-11 | 2019-10-29 | 禹州华德环保科技有限公司 | A kind of mud filter |
| EP3838851A1 (en) * | 2019-12-16 | 2021-06-23 | Silva, José Oswaldo da | Apparatus and method for dewatering and compacting sludge, wastes, pasty materials and liquid suspensions |
| CN211921275U (en) * | 2020-02-22 | 2020-11-13 | 成都新宏基科技发展有限公司 | Sludge resource intelligent disposal tower |
| CN112679027A (en) * | 2020-12-14 | 2021-04-20 | 张国玉 | Water conservancy rubbish separation sewage treatment device |
| CN215209066U (en) * | 2021-03-30 | 2021-12-17 | 辽宁省交通高等专科学校 | Sludge dewatering device for anaerobic digestion gas production of sludge |
| CN216129487U (en) * | 2021-11-18 | 2022-03-25 | 潘飞 | Sludge treatment device for municipal construction |
| CN115626753A (en) * | 2022-10-25 | 2023-01-20 | 福建省明能新型建材有限公司 | Sewage sludge dewatering mummification device |
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