CN212451110U - Sludge treatment device based on horizontal pipe continuous cooking technology - Google Patents
Sludge treatment device based on horizontal pipe continuous cooking technology Download PDFInfo
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- CN212451110U CN212451110U CN202021012230.7U CN202021012230U CN212451110U CN 212451110 U CN212451110 U CN 212451110U CN 202021012230 U CN202021012230 U CN 202021012230U CN 212451110 U CN212451110 U CN 212451110U
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- 239000010802 sludge Substances 0.000 title claims abstract description 100
- 238000010411 cooking Methods 0.000 title claims abstract description 21
- 238000005516 engineering process Methods 0.000 title claims abstract description 17
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 34
- 230000007062 hydrolysis Effects 0.000 claims abstract description 31
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 238000000926 separation method Methods 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000003860 storage Methods 0.000 claims abstract description 14
- 238000010025 steaming Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 14
- 108091005658 Basic proteases Proteins 0.000 claims description 12
- 239000012670 alkaline solution Substances 0.000 claims description 2
- 238000012806 monitoring device Methods 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 2
- 102000004169 proteins and genes Human genes 0.000 description 6
- 108090000623 proteins and genes Proteins 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 108090000765 processed proteins & peptides Proteins 0.000 description 5
- 239000003513 alkali Substances 0.000 description 3
- 150000001413 amino acids Chemical class 0.000 description 3
- 229920001184 polypeptide Polymers 0.000 description 3
- 102000004196 processed proteins & peptides Human genes 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 102000004190 Enzymes Human genes 0.000 description 2
- 108090000790 Enzymes Proteins 0.000 description 2
- 241000589651 Zoogloea Species 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000003301 hydrolyzing effect Effects 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000009283 thermal hydrolysis Methods 0.000 description 2
- RZWHKKIXMPLQEM-UHFFFAOYSA-N 1-chloropropan-1-ol Chemical compound CCC(O)Cl RZWHKKIXMPLQEM-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 150000008574 D-amino acids Chemical class 0.000 description 1
- 150000008575 L-amino acids Chemical class 0.000 description 1
- 108010009736 Protein Hydrolysates Proteins 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 230000007073 chemical hydrolysis Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000003834 intracellular effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 102000039446 nucleic acids Human genes 0.000 description 1
- 108020004707 nucleic acids Proteins 0.000 description 1
- 150000007523 nucleic acids Chemical class 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 238000000751 protein extraction Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Treatment Of Sludge (AREA)
Abstract
The utility model relates to a sludge treatment device based on a horizontal pipe continuous cooking technology, which belongs to the field of sludge treatment devices and comprises a sludge storage tank, a sludge pretreatment tank, a horizontal pipe type continuous hydrolysis system, a flash tank, solid-liquid separation equipment and concentration equipment; the horizontal pipe type continuous hydrolysis system comprises a feeder, a horizontal pipe type continuous hydrolysis device and a kamier type continuous steaming bottom discharger; the sludge storage tank is communicated to the sludge pretreatment tank through a pipeline; the sludge pretreatment tank is communicated to the feeder through a pipeline; the kamier-type continuous steaming bottom discharger is communicated to the flash tank through a pipeline, the flash tank is communicated to the solid-liquid separation equipment through a pipeline, and the solid-liquid separation equipment is communicated to the concentration equipment through a pipeline; the sludge pretreatment tank is connected with a water inlet pipe. The utility model discloses can realize the continuous processing of mud, area is little, investment cost is low, and rate of equipment utilization is high, and control system is simple, and the product that can the directional production needs has better economic benefits and social.
Description
Technical Field
The utility model belongs to the sludge treatment device field, specifically speaking relates to a sludge treatment device based on violently manage technology of cooking in succession.
Background
In recent years, the speed of urbanization process in China is continuously accelerated, the sewage treatment capacity is increasingly improved, and the sludge yield is rapidly increased. Proper treatment and disposal of sludge is a problem that must be overcome in every city facing the development.
The total of the wastes with different forms generated in the sewage treatment process is called excess sludge, which is a necessary product in the sewage treatment process, and the types of microorganisms contained in the excess sludge are complex, such as zoogloea formed by a plurality of types of microorganisms, adsorbed organic matters and inorganic matters, and the like. About 40% -60% of these organic substances are proteins, which are breeding grounds for bacteria and, if not disposed of in a timely manner, have a large impact on the environment. However, if the protein substances in the sludge can be extracted and recycled, the amino acid and the polypeptide substances are prepared by hydrolyzing the extracted protein substances as raw materials, so that the environment is protected, and a new recycling way is opened up for the treatment and disposal of the sludge.
At present, the sludge protein extraction mainly depends on a chemical method-an alkaline thermal method, and the hydrolysis process of the alkaline thermal method adopts a sequencing batch process at present. The alkaline thermal hydrolysis process is chemical hydrolysis, and uses strong alkaline to hydrolyze protein and nucleic acid, so as to destroy cell wall and release intracellular substances. Although the method is simple and cheap, the reaction conditions are severe, amino acids are seriously damaged in the production process, L-amino acid is easily converted into D-amino acid to form toxic substances such as chloropropanol and the like, and the hydrolysis process is difficult to control according to the specified hydrolysis degree.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problem that exists among the background art, the utility model provides a sludge treatment equipment based on violently pipe continuous cooking technique through using pretreatment tank, violently pipe continuous cooking equipment, flash tank and solid-liquid separation facility, can not only realize that continuous processing, the operation control of excess sludge is simple and hydrolyze more thoroughly, and the yield is bigger.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the sludge treatment device based on the horizontal pipe continuous cooking technology comprises a sludge storage tank 1, a sludge pretreatment tank 2, a horizontal pipe type continuous hydrolysis system, a flash tank 3, solid-liquid separation equipment 4 and concentration equipment 5; the horizontal pipe type continuous hydrolysis system comprises a feeder 6, a horizontal pipe type continuous hydrolysis device 7 and a kamier type continuous steaming bottom discharger 8; the sludge storage tank 1 is communicated to the sludge pretreatment tank 2 through a pipeline; the sludge pretreatment tank 2 is communicated to a feeder 6 through a pipeline; the kamier-type continuous steaming bottom discharger 8 is communicated to the flash tank 3 through a pipeline, the flash tank 3 is communicated to the solid-liquid separation equipment 4 through a pipeline, and the solid-liquid separation equipment 4 is communicated to the concentration equipment 5 through a pipeline; the sludge pretreatment tank 2 is connected with a water inlet pipe 9.
The sludge storage tank 1 is communicated to the sludge pretreatment tank 2 through a pipeline; the sludge pretreatment tank 2 is communicated to a feeder 6 through a pipeline; the kamier-type continuous steaming bottom discharger 8 is communicated to the flash tank 3 through a pipeline, the flash tank 3 is communicated to the solid-liquid separation equipment 4 through a pipeline, and the solid-liquid separation equipment 4 is communicated to the concentration equipment 5 through a pipeline; the sludge pretreatment tank 2 is connected with a water inlet pipe 9.
Preferably, the sludge treatment device based on the horizontal pipe continuous cooking technology further comprises an alkaline solution tank 10 and an alkaline protease tank 11; the lye tank 10 is communicated to the water inlet pipe 9 through a pipeline; the alkaline protease tank 11 is communicated to the sludge pretreatment tank 2 through a pipeline.
Preferably, the sludge treatment device based on the horizontal pipe continuous cooking technology further comprises a sludge receiving tank 12 which conveys sludge to the sludge storage tank 1 through a spiral conveying device.
Preferably, the top of the flash tank 3 is provided with a pipeline communicated to the sludge pretreatment tank 2.
Preferably, the horizontal pipe continuous hydrolysis device 7 consists of horizontal pipes connected in series by four stages, wherein the first-stage horizontal pipe and the third-stage horizontal pipe are connected with steam pipes and provided with temperature monitoring devices.
Preferably, a steam pipe is connected to the bottom of the sludge pretreatment tank 2.
Preferably, a stirrer 13 is provided in the sludge pretreatment tank.
The utility model has the advantages that:
the device can carry out continuous hydrolysis and directional hydrolysis. The alkaline protease can be added into the sludge pretreatment tank by using the alkaline protease tank, so that the protein decomposition can be carried out under a mild condition, the protein can be subjected to positioned hydrolytic splitting under a certain condition to generate specific peptide, the hydrolysis process is easy to control, and the requirement of peptide production can be better met; the utility model adopts the horizontal tube type continuous hydrolysis device, which can continuously feed mud, and the mud storage pretreatment tank arranged at the front end can reduce the volume, reduce the occupied area and reduce the investment cost; the utility model communicates the tank with the water inlet pipe through the pipeline, so that the alkali liquor dosing point is directly arranged on the water inlet pipe, and the approach of the maximum possibility of the pH value of the mixed liquor can be ensured; the steam pipe is communicated to the bottom of the sludge pretreatment tank 2, steam is heated and simultaneously plays a role in stirring, and the material mixing effect can be improved.
The utility model discloses in the aspect of simple structure, operation, area is little, the investment is low, has better environmental benefit and economic benefits.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure: 1-a sludge storage tank, 2-a sludge pretreatment tank, 3-a flash tank, 4-a solid-liquid separation device, 5-a concentration device, 6-a feeder, 7-a horizontal pipe continuous hydrolysis device, 8-a kamier type continuous steaming bottom discharger, 9-a water inlet pipe, 10-an alkali liquor tank, 11-an alkaline protease tank, 12-a sludge receiving tank and 13-a stirrer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following will explain in detail a preferred embodiment of the present invention with reference to the accompanying drawings to facilitate understanding of the skilled person.
As shown in fig. 1, a sludge treatment apparatus based on horizontal pipe continuous cooking technology comprises a sludge storage tank 1, a sludge pretreatment tank 2, a horizontal pipe type continuous hydrolysis system, a flash tank 3, a solid-liquid separation device 4, a concentration device 5, a lye tank 10, an alkaline protease tank 11 and a sludge receiving tank 12 for receiving sludge, wherein the horizontal pipe type continuous hydrolysis system comprises a feeder 6, a horizontal pipe type continuous hydrolysis apparatus 7 and a kamier type continuous cooking bottom discharger 8. The bottom of the sludge pretreatment tank 2 is connected with a steam pipe for heating the sludge.
The external sludge is transferred to the sludge storage tank 1 for temporary storage through the sludge receiving tank 12 by the screw conveying device, and then is conveyed to the sludge pretreatment tank 2 by the sludge pump through a pipeline to be mixed with the water conveyed by the water inlet pipe 9. The lye tank 10 is communicated to the water inlet pipe 9 through a pipeline, and the lye and the water in the water inlet pipe 9 are mixed before being delivered to the sludge pretreatment tank 2, so that the uniformity of the pH value in the mixed liquid in the sludge pretreatment tank 2 can be ensured. The alkaline protease tank 11 is communicated with the sludge pretreatment tank 2 through a pipeline and conveys alkaline protease into the sludge pretreatment tank 2. The pH value in the sludge pretreatment tank 2 is controlled to be about 11, and the temperature is controlled to be between 100 and 120 ℃. The targeted hydrolysis is carried out by adding alkaline protease (or enzyme corresponding to the specific polypeptide) on the basis of thermal hydrolysis, the hydrolysis is thorough, and the yield is high. If desired, the polypeptide or amino acid may be hydrolyzed by addition of a specific enzyme. The pretreatment tank 3 is internally provided with a stirrer 13 for uniformly mixing the sludge, the water, the alkali liquor and the alkaline protease.
After the sludge pretreatment tank 2 reaches the set process conditions, quantitatively feeding the sludge to a horizontal tube type continuous hydrolysis system by a screw pump, wherein the front end of the horizontal tube type continuous hydrolysis system is provided with a high-pressure feeder 6 for ensuring the pressure required by hydrolysis reaction; the hydrolysis reaction part is a horizontal pipe continuous hydrolysis device 7 consisting of four stages of horizontal pipe type hydrolysis pipes connected in series, wherein the first-stage horizontal pipe and the third-stage horizontal pipe are communicated with a steam pipe, so that sludge in the first-stage horizontal pipe and the third-stage horizontal pipe can be heated, the heating mode can ensure the internal reaction temperature, can maximize the utilization of heat and reduce the energy consumption; the bottom adopts a kamier type continuous steaming bottom discharger 8, continuous discharging can be realized, continuous feeding and discharging are realized, and the sludge mixed liquor pretreated in the sludge pretreatment tank 2 is fully hydrolyzed in a horizontal tube type continuous hydrolysis system; after the sludge mixed liquid reaches the process setting conditions in the horizontal tube type continuous hydrolysis system, the sludge mixed liquid is discharged to the flash tank 3 to be decompressed, along with the reduction of the boiling point of the sludge mixed liquid, the flash evaporation phenomenon occurs in the mixed hydrolysate, so that the sludge further completes the wall breaking of microbial cells and zoogloea, the generated steam is conveyed to the sludge pretreatment tank 2 through a pipeline, after the wall breaking hydrolysis and cooling of the sludge mixed liquid are completed, the sludge mixed liquid is conveyed to the subsequent solid-liquid separation equipment 4 through a pump, and after the solid-liquid separation is completed, the liquid clear liquid is conveyed to the product concentration equipment 5 to be synthesized in the product production.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (7)
1. The utility model provides a sludge treatment device based on violently pipe continuous cooking technique which characterized in that: the sludge treatment device based on the horizontal pipe continuous cooking technology comprises a sludge storage tank (1), a sludge pretreatment tank (2), a horizontal pipe type continuous hydrolysis system, a flash tank (3), solid-liquid separation equipment (4) and concentration equipment (5); the horizontal pipe type continuous hydrolysis system comprises a feeder (6), a horizontal pipe type continuous hydrolysis device (7) and a kamier type continuous steaming bottom discharger (8); the sludge storage tank (1) is communicated to the sludge pretreatment tank (2) through a pipeline; the sludge pretreatment tank (2) is communicated to the feeder (6) through a pipeline; the kamier-type continuous steaming bottom discharger (8) is communicated to the flash tank (3) through a pipeline, the flash tank (3) is communicated to the solid-liquid separation equipment (4) through a pipeline, and the solid-liquid separation equipment (4) is communicated to the concentration equipment (5) through a pipeline; the sludge pretreatment tank (2) is connected with a water inlet pipe (9).
2. The sludge treatment device based on the horizontal pipe continuous cooking technology as claimed in claim 1, wherein: the sludge treatment device based on the horizontal pipe continuous cooking technology further comprises an alkaline solution tank (10) and an alkaline protease tank (11); the lye tank (10) is communicated to the water inlet pipe (9) through a pipeline; the alkaline protease tank (11) is communicated to the sludge pretreatment tank (2) through a pipeline.
3. The sludge treatment device based on the horizontal pipe continuous cooking technology as claimed in claim 1, wherein: the sludge treatment device based on the horizontal pipe continuous cooking technology further comprises a sludge receiving tank (12) for receiving sludge, and the sludge receiving tank (12) is connected with the sludge storage tank (1) through a spiral conveying device.
4. The sludge treatment device based on the horizontal pipe continuous cooking technology as claimed in claim 1, wherein: the top of the flash tank (3) is provided with a pipeline communicated to the sludge pretreatment tank (2).
5. The sludge treatment device based on the horizontal pipe continuous cooking technology according to any one of the claims 1 to 4, wherein: the horizontal tube continuous hydrolysis device (7) is composed of horizontal tubes connected in series by four stages, wherein the first-stage horizontal tube and the third-stage horizontal tube are connected with steam tubes and provided with temperature monitoring devices.
6. The sludge treatment device based on the horizontal pipe continuous cooking technology as claimed in claim 5, wherein: the bottom of the sludge pretreatment tank (2) is connected with a steam pipe.
7. The sludge treatment device based on the horizontal pipe continuous cooking technology as claimed in claim 5, wherein: and a stirrer (13) is arranged in the sludge pretreatment tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021012230.7U CN212451110U (en) | 2020-06-05 | 2020-06-05 | Sludge treatment device based on horizontal pipe continuous cooking technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021012230.7U CN212451110U (en) | 2020-06-05 | 2020-06-05 | Sludge treatment device based on horizontal pipe continuous cooking technology |
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| Publication Number | Publication Date |
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| CN212451110U true CN212451110U (en) | 2021-02-02 |
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| CN202021012230.7U Active CN212451110U (en) | 2020-06-05 | 2020-06-05 | Sludge treatment device based on horizontal pipe continuous cooking technology |
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| Country | Link |
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| CN (1) | CN212451110U (en) |
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- 2020-06-05 CN CN202021012230.7U patent/CN212451110U/en active Active
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