CN220834946U - Distributed waste gas treatment system for farm - Google Patents
Distributed waste gas treatment system for farm Download PDFInfo
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- CN220834946U CN220834946U CN202322627450.0U CN202322627450U CN220834946U CN 220834946 U CN220834946 U CN 220834946U CN 202322627450 U CN202322627450 U CN 202322627450U CN 220834946 U CN220834946 U CN 220834946U
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- 239000002912 waste gas Substances 0.000 title claims abstract description 31
- 230000003197 catalytic effect Effects 0.000 claims abstract description 35
- 230000003647 oxidation Effects 0.000 claims abstract description 35
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 35
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 22
- 230000001877 deodorizing effect Effects 0.000 claims abstract description 20
- 238000001179 sorption measurement Methods 0.000 claims abstract description 19
- 239000000428 dust Substances 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
- 238000000746 purification Methods 0.000 claims description 18
- 239000007789 gas Substances 0.000 claims description 17
- 239000007921 spray Substances 0.000 claims description 12
- 238000004140 cleaning Methods 0.000 claims description 9
- 238000005352 clarification Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- 238000004332 deodorization Methods 0.000 claims description 4
- 238000004062 sedimentation Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000009395 breeding Methods 0.000 abstract description 4
- 230000001488 breeding effect Effects 0.000 abstract description 4
- 238000005507 spraying Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 7
- 241000894006 Bacteria Species 0.000 description 6
- 241000282898 Sus scrofa Species 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 244000144972 livestock Species 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 244000144977 poultry Species 0.000 description 6
- 230000001954 sterilising effect Effects 0.000 description 5
- 238000004659 sterilization and disinfection Methods 0.000 description 5
- 102000053602 DNA Human genes 0.000 description 4
- 108020004414 DNA Proteins 0.000 description 4
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- 210000004027 cell Anatomy 0.000 description 3
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- 238000012423 maintenance Methods 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 230000002195 synergetic effect Effects 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 241000700605 Viruses Species 0.000 description 2
- 238000009360 aquaculture Methods 0.000 description 2
- 244000144974 aquaculture Species 0.000 description 2
- 230000001580 bacterial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
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- 230000002550 fecal effect Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000002068 genetic effect Effects 0.000 description 1
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 1
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Landscapes
- Treating Waste Gases (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The utility model relates to the technical field of waste gas treatment of farms, in particular to a distributed waste gas treatment system of a farm, wherein the farm comprises a farm area surrounded by a front corridor, a deodorizing corridor and pig driving channels on two sides; an induced draft fan and a wet curtain adsorption system are arranged in the deodorizing corridor; a plurality of microwave catalytic oxidation purifying devices are uniformly arranged in the deodorizing corridor respectively, the microwave catalytic oxidation purifying devices are communicated with the breeding area through an induced draft fan, a spraying main pipe is arranged in the deodorizing corridor to form a settling chamber, the induced draft fan guides waste gas generated in the breeding area to the microwave catalytic oxidation purifying system for treatment, the waste gas brings ozone out through the microwave catalytic oxidation purifying devices, and the ozone is continuously reacted with the waste gas in the settling chamber and then is discharged to a wet curtain adsorbing system, and the wet curtain adsorbing system is used for removing dust and dissolving residual ozone. The utility model can lead the emission to reach the standard without modifying any foundation, and solves the problems of high cost and occupation of land of the centralized treatment foundation reconstruction.
Description
Technical Field
The utility model relates to the technical field of waste gas treatment of farms, in particular to a distributed waste gas treatment system of a farm.
Background
With the development of rural economy and society, the traditional production and cultivation habit of scattered cultivation of farmers is gradually replaced by a rough cultivation mode, and various intensive large-scale cultivation households and various cultivation communities continuously emerge. The continuous development of the breeding industry creates conditions for farmers to get rich and increase income, and simultaneously promotes the adjustment of rural industrial structures.
In the current economic situation, the development of the farming industry faces new opportunities and challenges. On one hand, with the improvement of the living standard of people, consumers have higher and higher requirements on the quality and safety of foods such as meat, eggs and the like, which provides an opportunity for the breeding industry to develop. On the other hand, with the increase of environmental awareness, the requirements of the government on environmental protection are increasingly strict; meanwhile, since 2018, epidemic situations such as African swine fever and the like affecting the development of the aquaculture appear in China, and higher requirements are put forward on the environmental management of the aquaculture.
By 2023, the number of pig raising scattered households and large-scale pig farms in China is more than 6100 ten thousand at present, and the case that the pig farms are complained due to malodor is also endless. The malodor of the farm is always a difficult problem to be solved by the farm, and the malodor and the ammonia gas mainly generated by fecal sewage form a unique malodor of the farm, and the malodor becomes a warm bed of viruses under the conditions of temperature and humidity. In the livestock and poultry industry, GB18596-2001 'pollutant emission Standard of livestock and poultry industry' is generally executed all the time, the emission concentration of the malodorous pollutant of the intensive livestock and poultry industry is required to be not more than 70, in 2018, shanghai release New landmark DB31-1098-2018 'pollutant emission Standard of livestock and poultry industry' is required to be adopted, the perimeter odor concentration standard of the existing livestock and poultry farm is 50, and the perimeter odor concentration standard of the newly built livestock and poultry farm is 20.
The traditional method for treating the malodor of the livestock farming mainly comprises the following steps: dilution, biological, washing, masking. The washing method is a mode which can be used in most farms in China, and the technology generally adopted is that wet curtains are directly sprayed with clean water or water containing reducing agents (such as hypochlorous acid) is sprayed on the wet curtains. The traditional treatment methods are difficult to achieve the standard of odor, or have the problems of high operation and maintenance cost, secondary pollution, unstable deodorizing effect and the like, and if large-scale transformation is performed, a great deal of cost is spent, so that a plurality of farms step into a dilemma, and finally the farms are shut down.
Disclosure of Invention
The utility model aims to: aiming at the defects of the prior art, the utility model provides a distributed exhaust gas treatment system for a farm, wherein an induced draft fan and a wet curtain adsorption system are installed for most farms, and the exhaust gas treatment systems are respectively arranged among the farms to form a distributed structure, wherein microwave catalytic oxidation purification equipment is arranged in each deodorizing corridor and is directly connected with the induced draft fan, so that the emission can reach the standard without modifying any capital construction, and the problems of high cost and occupation of land of the centralized treatment capital construction are solved.
The technical scheme is as follows: the utility model relates to a distributed waste gas treatment system for a farm, which comprises a farm area surrounded by a front corridor, a deodorizing corridor and pig driving channels on two sides; an induced draft fan and a wet curtain adsorption system are arranged in the deodorizing corridor; along evenly have a plurality of microwave catalytic oxidation clarification plant in the deodorization corridor respectively, microwave catalytic oxidation clarification plant passes through the draught fan with breed district intercommunication, be equipped with in the deodorization corridor and spray the person in charge in order to form the settling chamber, the draught fan is led the waste gas that produces in the district to microwave catalytic oxidation clarification system and is handled, and the waste gas passes through microwave catalytic oxidation clarification plant and brings ozone, and ozone continues to discharge with waste gas reaction in the settling chamber to wet curtain adsorption system, wet curtain adsorption system is used for removing dust and dissolves remaining ozone.
The technical scheme is further perfected, the types of the induced draft fan are JL-FY-1530, JL-FY-1380 and JL-FY-900, and the diameters of corresponding impellers are 1400mm, 1240mm and 750mm respectively. The microwave catalytic oxidation purifying equipment can be directly connected with induced draft fans with different specifications, and the original waste gas treatment structure of the farm is not required to be changed.
Further, the microwave catalytic oxidation purifying device comprises an electric cabinet, an exhaust cavity, a self-cleaning spray head, a microwave module, an electrodeless lamp and a lamp bracket, wherein the self-cleaning spray head, the microwave module, the electrodeless lamp and the lamp bracket are arranged in the exhaust cavity, the electric cabinet is arranged on the side edge of the exhaust cavity and is used for controlling the opening and closing of the microwave module and the electrodeless lamp, the microwave module is arranged in the middle of the exhaust cavity, the electrodeless lamp is supported on the outer ring of the microwave module through the lamp bracket, and the self-cleaning spray head is arranged at the top of the electrodeless lamp.
Further, the microwave catalytic oxidation purification equipment is fixed in the deodorizing corridor through a bracket, so that an air outlet of the induced draft fan is ensured to be opposite to an air inlet of the microwave catalytic oxidation purification equipment.
Further, the wet curtain adsorption system comprises a water pump, a water tank, a uniform water diversion channel, a wet curtain chamber, a guide rail and a shell, wherein the shell is used for forming an external frame of the sedimentation chamber, and the top end of the shell is inclined downwards towards the wet curtain chamber by an induced draft fan; the wet curtain is installed in the wet curtain chamber through the guide rail, the bottom of the wet curtain chamber is provided with a water tank, the water tank is connected with a water pump, the water pump is communicated with the uniform water diversion grooves through a lifting pipeline, the uniform water diversion grooves are a plurality of, one corresponds to the spray main pipe, and the other corresponds to the top end of the wet curtain chamber.
The beneficial effects are that: compared with the prior art, the utility model has the advantages that: according to the utility model, the waste gas treatment systems are respectively arranged between the cultivation rooms to form a distributed structure, wherein the microwave catalytic oxidation purification equipment is arranged in each deodorizing corridor and is directly connected with the induced draft fan, so that the emission can reach the standard without modifying any capital construction, and the problems of high cost and occupation of land of the centralized treatment capital construction are solved.
The utility model has obvious deodorizing effect and stable operation, and can lead the waste gas to reach the emission standard; the operation and maintenance cost is low, only power is consumed in operation, no medicament is added, and secondary pollution is not generated; the installation cost is low, most farms are provided with the exhaust gas treatment system of the fan and the wet curtain, the transformation cost is low, the installation is convenient, the equipment is directly connected with the fan, the foundation construction is not required to be changed, and the occupied area is small; the utility model can greatly reduce the total number of bacterial groups in the tail gas through the synergistic sterilization of microwaves, ultraviolet rays and ozone, avoid the parallel transmission of bacteria among the circles and the circles, and ensure the cultivation safety; the utility model can adapt to severe environment (equipment is not influenced by PH, humidity and temperature).
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic view of the structure of a single set of the present utility model;
FIG. 3 is a front view of a microwave catalytic oxidation purification system of the present utility model;
FIG. 4 is a side view of a microwave catalytic oxidation purification system according to the present utility model;
FIG. 5 is an electronically controlled internal schematic diagram of a microwave catalytic oxidation purification system in accordance with the present utility model.
In the figure: 1. a front corridor; 2. deodorizing corridor; 3. pig driving is carried out; 4. pig driving channel II; 10. an induced draft fan; 20. a microwave catalytic oxidation purification device; 30. a settling chamber; 301. a spraying main pipe; 40. a wet curtain adsorption system; 401. a wet curtain; 402. a wet curtain chamber; 403. a housing; 404. a guide rail; 405. a water tank; 406. a water pump; 407. a uniform shunt channel; 50. and (3) a bracket.
Detailed Description
The technical scheme of the utility model is described in detail below through the drawings, but the protection scope of the utility model is not limited to the embodiments.
Example 1: as shown in fig. 1, most of the farms nowadays comprise a cultivation area surrounded by a front-end corridor 1, a deodorizing corridor 2, a first pig-driving channel 3 and a second pig-driving channel 4, and a draught fan and a wet curtain adsorption system 40 are arranged in the deodorizing corridor 2 of each cultivation room, so that microwave catalytic oxidation purifying equipment is respectively arranged in each deodorizing room and directly connected with the draught fan, and the emission can reach the standard under the condition of not modifying any capital construction, so that the malodor problem in the cultivation waste gas treatment process is thoroughly improved.
1. System architecture
As shown in fig. 2, the system is divided into four parts: an exhaust system, a microwave catalytic oxidation purification device 20, a settling chamber 30 and a wet curtain adsorption system 40.
1. And (3) an exhaust system: the exhaust system comprises an induced draft fan 10.
2. Microwave catalytic oxidation purification equipment: as shown in fig. 3 to 5, the self-cleaning device is composed of an electric cabinet 202, an exhaust gas cavity 201, a self-cleaning spray head 204 installed in the exhaust gas cavity 201, a microwave module 203, an electrodeless lamp 206 and a lamp bracket 205, wherein the electric cabinet 202 is arranged on the side edge of the exhaust gas cavity 201, the electric cabinet 202 is used for controlling the opening and closing of the microwave module 203 and the electrodeless lamp 206, the microwave module 203 is installed in the middle of the exhaust gas cavity 201, the electrodeless lamp 206 is supported on the outer ring of the microwave module 203 through the lamp bracket 205, and the self-cleaning spray head 204 is arranged at the top of the electrodeless lamp 206.
3. Settling chamber 30: is the space between the microwave catalytic oxidation purification apparatus 20 and the wet curtain adsorption system 40.
4. Wet curtain adsorption system: as shown in fig. 2, the wet curtain adsorption system is composed of a water pump 406, a water tank 405, a top uniform water diversion trench 407, a wet curtain 401, a wet curtain chamber 402, a guide rail 404 and a housing 403, wherein the housing 403 is used for forming an external frame for accommodating the microwave catalytic oxidation purification device 20, the sedimentation chamber 30 and the wet curtain adsorption system 40, and the top end of the housing is inclined downwards towards the wet curtain adsorption system 40 by an induced draft fan 10; wet curtain 401 passes through guide rail 404 to be installed in wet curtain room 402, and wet curtain room 402 bottom is equipped with basin 405, and basin 405 is connected with water pump 406, and water pump 406 passes through the lifting line and evenly divides water channel 407 intercommunication, evenly divides water channel 407 to a plurality of, and one of them corresponds spraying main pipe 301 setting, and other correspond wet curtain room 402 top setting.
2. Principle of the technology
1. The exhaust system guides the waste gas to the microwave catalytic oxidation purification system for treatment through the induced draft fan, the microwave catalytic oxidation purification device 20 is supported by the support 50 and connected with the induced draft fan 10, and the treated waste gas is discharged to the outside of the housing through wind pressure. In the embodiment, exhaust fans with the models of JL-FY-1530, JL-FY-1380 and JL-FY-900 are respectively adopted, and the diameters of impellers are 1400mm, 1240mm and 750mm respectively.
2. The microwave catalytic oxidation purifying equipment can be directly connected with various types of induced draft fans, and the aim of thoroughly deodorizing is achieved by utilizing the synergistic effect of microwaves, ultraviolet rays and ozone.
(1) Microwave sterilization is a result of the combined effects of thermal and biological effects of electromagnetic fields. The molecules in the cells are polarized, and the microwave is absorbed to raise the temperature, so that the thermal effect of the microwave on the cells denatures the protein and dies; in addition, nucleic acids (RNA) and deoxyribonucleic acids (DNA) that determine normal growth and stable genetic propagation of cells are coiled macromolecules formed by tight connection of several hydrogen bonds, and microwaves strong enough can cause relaxation, cleavage and recombination of the hydrogen bonds, thereby inducing genetic mutation or chromosomal aberration.
(2) By utilizing the high-efficiency sterilization capability of the high-energy UV light beam with a specific wavelength, molecular bonds of bacteria in malodorous gas are cracked, and nucleic acid (DNA) of the bacteria is destroyed.
(3) The high-energy UV light beam with specific wavelength is utilized to quickly decompose oxygen molecules in the air to generate free oxygen, namely active oxygen, and the free oxygen needs to be combined with the oxygen molecules due to unbalanced positive and negative electrons carried by the free oxygen, so that sufficient ozone is generated. Ozone sterilization mechanism is to act on the cell membrane of bacteria to damage the cell membrane structure, so that the metabolic barrier inhibits the growth of bacteria until death, and the mechanism of killing viruses is to be completed by directly destroying ribonucleic acid or deoxyribonucleic acid.
3. The settling chamber can increase the waste gas residence time, and waste gas brings a small amount of ozone through microwave catalytic oxidation purification equipment, and ozone continues to react with odor in the waste gas in the settling chamber, further purifies waste gas, and ultraviolet ray in the microwave catalytic oxidation purification equipment irradiates into the settling chamber simultaneously, further oxidizes waste gas, improves treatment efficiency to disinfect whole settling chamber.
4. The wet curtain adsorption system is used for removing dust and dissolving residual ozone, the dissolved ozone in water reacts with waste gas, the water containing ozone can be cleaned by itself, after ozone is consumed, the water pump lifts the water to the top of the wet curtain, then the water is uniformly distributed to the surface of the wet curtain through the uniform water diversion channel, and the wet curtain water can dissolve the ozone again, so that the water is circulated. Through the evaporation and cyclic washing action of the water, the gases such as ammonia gas, residual ozone and the like which are easy to dissolve in the water in the gas are absorbed, most of particulate matters in the waste gas are removed, and the effects of humidification and cooling are achieved.
The utility model has obvious deodorizing effect and stable operation, and can lead the waste gas to reach the emission standard; the operation and maintenance cost is low, only power is consumed in operation, no medicament is added, and secondary pollution is not generated; the installation cost is low, most farms are provided with the exhaust gas treatment system of the fan and the wet curtain, the transformation cost is low, the installation is convenient, the equipment is directly connected with the fan, the foundation construction is not required to be changed, and the occupied area is small; the utility model can greatly reduce the total number of bacterial groups in the tail gas through the synergistic sterilization of microwaves, ultraviolet rays and ozone, avoid the parallel transmission of bacteria among the circles and the circles, and ensure the cultivation safety; the utility model can adapt to severe environment (equipment is not influenced by PH, humidity and temperature).
As described above, although the present utility model has been shown and described with reference to certain preferred embodiments, it is not to be construed as limiting the utility model itself. Various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (5)
1. A distributed waste gas treatment system for a farm, wherein the farm comprises a farm area surrounded by a front corridor, a deodorizing corridor and pig driving channels on two sides; an induced draft fan and a wet curtain adsorption system are arranged in the deodorizing corridor; the method is characterized in that: along evenly have a plurality of microwave catalytic oxidation clarification plant in the deodorization corridor respectively, microwave catalytic oxidation clarification plant passes through the draught fan with breed district intercommunication, be equipped with in the deodorization corridor and spray the person in charge in order to form the settling chamber, the draught fan is led the waste gas that produces in the district to microwave catalytic oxidation clarification system and is handled, and the waste gas passes through microwave catalytic oxidation clarification plant and brings ozone, and ozone continues to discharge with waste gas reaction in the settling chamber to wet curtain adsorption system, wet curtain adsorption system is used for removing dust and dissolves remaining ozone.
2. The farm distributed exhaust gas treatment system according to claim 1, wherein: the induced draft fans are JL-FY-1530, JL-FY-1380 and JL-FY-900, and the diameters of corresponding impellers are 1400mm, 1240mm and 750mm respectively.
3. The farm distributed exhaust gas treatment system according to claim 1, wherein: the microwave catalytic oxidation purifying device comprises an electric cabinet, an exhaust cavity, a self-cleaning spray head, a microwave module, an electrodeless lamp and a lamp support, wherein the self-cleaning spray head, the microwave module, the electrodeless lamp and the lamp support are arranged in the exhaust cavity, the electric cabinet is arranged on the side edge of the exhaust cavity and used for controlling the microwave module and the electrodeless lamp to be turned on and off, the microwave module is arranged in the middle of the exhaust cavity, the electrodeless lamp is supported on the outer ring of the microwave module through the lamp support, and the self-cleaning spray head is arranged at the top of the electrodeless lamp.
4. A distributed exhaust gas treatment system for a farm according to claim 1 or 3, wherein: the microwave catalytic oxidation purification equipment is fixed in the deodorizing corridor through a bracket so as to ensure that an air outlet of the induced draft fan is opposite to an air inlet of the microwave catalytic oxidation purification equipment.
5. The farm distributed exhaust gas treatment system according to claim 1, wherein: the wet curtain adsorption system comprises a water pump, a water tank, a uniform water diversion channel, a wet curtain chamber, a guide rail and a shell, wherein the shell is used for forming an external frame of the sedimentation chamber, and the top end of the shell is inclined downwards from an induced draft fan towards the wet curtain chamber; the wet curtain is installed in the wet curtain chamber through the guide rail, the bottom of the wet curtain chamber is provided with a water tank, the water tank is connected with a water pump, the water pump is communicated with the uniform water diversion grooves through a lifting pipeline, the uniform water diversion grooves are a plurality of, one corresponds to the spray main pipe, and the other corresponds to the top end of the wet curtain chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322627450.0U CN220834946U (en) | 2023-09-27 | 2023-09-27 | Distributed waste gas treatment system for farm |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322627450.0U CN220834946U (en) | 2023-09-27 | 2023-09-27 | Distributed waste gas treatment system for farm |
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| Publication Number | Publication Date |
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| CN220834946U true CN220834946U (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202322627450.0U Active CN220834946U (en) | 2023-09-27 | 2023-09-27 | Distributed waste gas treatment system for farm |
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| CN (1) | CN220834946U (en) |
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2023
- 2023-09-27 CN CN202322627450.0U patent/CN220834946U/en active Active
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