CN111620545A - Sludge dehumidifying and drying machine with photocatalysis function - Google Patents

Sludge dehumidifying and drying machine with photocatalysis function Download PDF

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Publication number
CN111620545A
CN111620545A CN202010572952.6A CN202010572952A CN111620545A CN 111620545 A CN111620545 A CN 111620545A CN 202010572952 A CN202010572952 A CN 202010572952A CN 111620545 A CN111620545 A CN 111620545A
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CN
China
Prior art keywords
drying
waste gas
chamber
titanium dioxide
gas
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010572952.6A
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Chinese (zh)
Inventor
汪博
陆秀兵
陈明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Lehong Environmental Protection Technology Co ltd
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Suzhou Lehong Environmental Protection Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by Suzhou Lehong Environmental Protection Technology Co ltd filed Critical Suzhou Lehong Environmental Protection Technology Co ltd
Priority to CN202010572952.6A priority Critical patent/CN111620545A/en
Publication of CN111620545A publication Critical patent/CN111620545A/en
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/007—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by irradiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8678—Removing components of undefined structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8678—Removing components of undefined structure
    • B01D53/8687—Organic components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20707—Titanium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
    • B01D2259/804—UV light
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Abstract

The invention discloses a sludge dehumidifying dryer with a photocatalytic function, which comprises a drying chamber, wherein a drying component is arranged in the drying chamber, the drying component can dry sludge in the drying chamber, the drying chamber is also connected with a waste gas chamber, a waste gas treatment component is arranged in the waste gas chamber, the waste gas treatment component can treat waste gas generated in the drying chamber, the waste gas treatment component comprises a nano titanium dioxide layer and a high-energy ultraviolet lamp tube, the high-energy ultraviolet lamp tube can irradiate ultraviolet light to the nano titanium dioxide layer, the waste gas in the waste gas chamber penetrates through the nano titanium dioxide layer and is catalytically degraded, and the waste gas after catalytic degradation is discharged through a recovery treatment component connected with the waste gas chamber. The device of photocatalytic decomposition is introduced, the problem that the waste gas causes air pollution to the atmosphere before is solved, and the ultraviolet light has a sterilization effect, so that odor in the waste gas can be effectively removed.

Description

Sludge dehumidifying and drying machine with photocatalysis function
Technical Field
The invention relates to the field of sludge drying equipment, in particular to a composite sludge dehumidifying and drying machine with a photocatalytic function.
Background
Sludge is a product after sewage treatment, and is an extremely complex heterogeneous body consisting of organic debris, bacterial cells, inorganic particles, colloids and the like. The main characteristics of the sludge are that the water content is very high, the organic matter content is high, the sludge is easy to decay and stink, the particles are fine, the specific gravity is small, and the sludge is in a colloidal liquid state. It is a thick matter between liquid and solid and can be transported by a pump, but it is difficult to perform solid-liquid separation by sedimentation. In order to further reduce the water content of the dewatered sludge, a drying and dehumidifying process is adopted, and the water content can be reduced to about 20% after drying. The drying process is usually a thermal drying technique, except for the simplest of the drying processes in the sun. Pathogenic bacteria can be completely killed by heating, so that the sludge is in a stable state, but a large amount of waste gas is generated in the drying process, and the waste gas contains a large amount of organic waste gas or malodorous gas besides water vapor, so that air pollution is caused if the waste gas is not further treated.
Therefore, the present inventors have aimed to invent a sludge dehumidifying and drying machine with a photocatalytic function, aiming at the above technical problems.
Disclosure of Invention
In order to overcome the defects, the invention aims to provide a sludge dehumidifying and drying machine with a photocatalytic function.
In order to achieve the above purposes, the invention adopts the technical scheme that: the utility model provides a sludge dehumidifying dryer with photocatalysis function, includes the drying chamber, set up drying assembly in the drying chamber, drying assembly can carry out drying process to the mud in the drying chamber, just the drying chamber still is connected with the exhaust gas chamber, set up the exhaust-gas treatment subassembly in the exhaust gas chamber, the exhaust-gas treatment subassembly can be handled the waste gas that produces in the drying chamber, the exhaust-gas treatment subassembly includes nanometer titanium dioxide layer and high energy ultraviolet fluorescent tube, high energy ultraviolet fluorescent tube can shine ultraviolet ray to nanometer titanium dioxide layer, just the indoor waste gas of exhaust gas passes nanometer titanium dioxide layer to realize catalytic degradation, and through with the recovery processing subassembly that the exhaust gas chamber is connected realizes discharging the waste gas after the catalytic degradation.
Preferably, drying assembly includes the hot plate, the hot plate is connected the power, and is right through the power the hot plate circular telegram, the hot plate sets up at least two, and parallelly connected with the power respectively, just the power of hot plate risees in proper order. Through sectional type heating promptly, guarantee the quick effectual dehumidification drying of follow-up heating process to mud, improved drying speed.
Preferably, drying assembly still includes dry conveyer belt, dry conveyer belt is the annular setting, just dry conveyer belt has the conveying roller, and passes through the conveying roller realizes carrying set up on the dry conveyer belt and remove the material roller, it sets up at least three, and three to remove the material roller and be isosceles triangle and set up, just dry conveyer belt twines in proper order on removing the material roller. The drying conveyer belt is bent, so that dried sludge can fall off from the drying conveyer belt in time, the dried sludge is collected, and the continuous dehumidification and drying of the sludge are facilitated.
Preferably, the high-energy ultraviolet lamp tubes are arranged in a plurality, the nano titanium dioxide layers are also arranged in a plurality, the nano titanium dioxide layers are arranged in parallel and are arranged on two sides of the exhaust gas chamber in a staggered mode at intervals, and the nano titanium dioxide layers arranged in a staggered mode are overlapped. Namely, the catalytic decomposition of the waste gas is more effective through the plurality of nano titanium dioxide layers arranged in a staggered manner.
Preferably, the nano titanium dioxide layer is obliquely arranged, the oblique direction is downward from two sides to the middle part, and meanwhile, the waste gas flow direction of the waste gas chamber is from top to bottom. Namely, after the waste gas is catalytically decomposed, the waste gas has the function of guiding water vapor, so that the liquefied waste water can be discharged in time.
Preferably, the recovery processing assembly comprises a forced cooler, wherein the forced cooler contains forced cooling liquid, the forced cooler is internally filled with gas after catalytic degradation and used for cooling the gas, and meanwhile, the forced cooler is connected with a gas collector, and the gas collector can collect the gas cooled by the forced cooler. Namely, water and carbon dioxide exist in the waste gas after photocatalytic degradation, the water is cooled by a forced cooler, and the carbon dioxide is collected by a gas collector, so that the waste gas is safely treated, the environment is protected, and the atmospheric pollution is reduced.
The sludge dehumidifying and drying machine with the photocatalytic function has the advantages that a photocatalytic decomposition device is introduced aiming at the problem that waste gas generated by directly drying sludge contains a large amount of organic waste gas, so that the problem of air pollution caused by the waste gas to the atmosphere is solved, the ultraviolet light has a sterilization effect, odor in the waste gas can be effectively removed, the environment friendliness of workers during sludge dehumidifying and drying is guaranteed, and the worry of the workers is reduced.
Drawings
Fig. 1 is a schematic structural view of a sludge dehumidifying dryer having a photocatalytic function.
Fig. 2 is a schematic structural view of a drying chamber and a drying assembly.
FIG. 3 is a schematic view of an exhaust chamber and an exhaust treatment assembly.
FIG. 4 is a schematic view of the recycling assembly.
In the figure:
1-a drying chamber, 2-a drying component, 3-an exhaust gas chamber, 4-an exhaust gas treatment component, 5-a recovery treatment component,
21-heating plate, 22-drying conveying component, 23-conveying roller, 24-material removing roller,
41-nanometer titanium dioxide layer, 42-high energy ultraviolet lamp tube,
51-forced cooler, 52-gas collector.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
Referring to fig. 1-4, the sludge dehumidifying and drying machine with a photocatalytic function in this embodiment includes a drying chamber 1, a drying component 2 is disposed in the drying chamber 1, the drying component 2 can dry sludge in the drying chamber 1, the drying chamber 1 is further connected to a waste gas chamber 3, a waste gas treatment component 4 is disposed in the waste gas chamber 3, the waste gas treatment component 4 can treat waste gas generated in the drying chamber 1, the waste gas treatment component 4 includes a nano-ultraviolet titanium dioxide layer 41 and a high-energy ultraviolet lamp 42, the high-energy ultraviolet lamp 42 can irradiate ultraviolet light to the nano-titanium dioxide layer 41, and waste gas in the waste gas chamber 3 passes through the nano-titanium dioxide layer 41 and is catalytically degraded, and the waste gas after catalytic degradation is discharged through a recovery processing component 5 connected to the waste gas chamber 3.
Drying assembly 2 includes hot plate 21, and hot plate 21 connects the power to through the power to hot plate 21 circular telegram, hot plate 21 sets up at least two, and parallelly connected with the power respectively, and hot plate 21's power risees in proper order. Through sectional type heating promptly, guarantee the quick effectual dehumidification drying of follow-up heating process to mud, improved drying speed.
Drying assembly 2 still includes dry conveyer belt 22, and dry conveyer belt 22 is the annular setting, and dry conveyer belt 22 has conveying roller 23 to realize carrying through conveying roller 23, set up on dry conveyer belt 22 and remove material roller 24, remove material roller 24 and set up at least three, and three remove material roller 24 and be isosceles triangle and set up, and dry conveyer belt 22 twines in proper order and disturbs on removing material roller 24. That is, the dried sludge can fall off from the drying conveyer belt 22 in time by changing the bending degree of the drying conveyer belt 22, so that the collection of the dried sludge is realized, and the continuous dehumidification and drying of the sludge are facilitated. Referring to fig. 2, the angle of the drying conveyer belt 22 is changed by the design of the material removing roller 24, and the sludge is dried by the heating of the upper heating plate 21, and the sludge naturally falls down and naturally collects along the lower conical opening as long as the angle is changed, so that the sludge is collected.
The high-energy ultraviolet lamp tubes 42 are arranged in a plurality, the nano titanium dioxide layers 41 are also arranged in a plurality, the nano titanium dioxide layers 41 are arranged in parallel, the nano titanium dioxide layers are arranged on two sides of the waste gas chamber 3 in a staggered mode at intervals, and the nano titanium dioxide layers 41 arranged in a staggered mode are overlapped. Namely, the catalytic decomposition of the exhaust gas is more effective by the plurality of nano titania layers 41 arranged in a staggered manner.
The nano titanium dioxide layer 41 is obliquely arranged, the oblique direction is downward from two sides to the middle part, and simultaneously the waste gas flow direction of the waste gas chamber 3 is from top to bottom. Namely, after the waste gas is catalytically decomposed, the waste gas has the function of guiding water vapor, so that the liquefied waste water can be discharged in time. See figure 3.
The recovery processing assembly 5 comprises a forced cooler 51, wherein the forced cooler 51 contains forced cooling liquid, the gas after catalytic degradation passes through the forced cooler 51 and is cooled by the forced cooling liquid, the forced cooler 51 is connected with a gas collector 52, and the gas collector 52 can collect the gas cooled by the forced cooler 51. Namely, water and carbon dioxide exist in the waste gas after photocatalytic degradation, the water is cooled by the forced cooler 51, and the carbon dioxide is collected by the gas collector 52, so that the waste gas is safely treated, the environment is protected, and the atmospheric pollution is reduced. Referring to fig. 4, a tapered mouth of the forced cooler 51 is inserted into the forced cooling liquid to perform forced cooling, and the gas is collected by the gas collector 52.
The sludge dehumidifying dryer with the photocatalysis function has the beneficial effects that the sludge is directly dried, a large amount of organic waste gas is contained in the produced waste gas, a device for photocatalytic decomposition is introduced, the problem of air pollution caused by the waste gas to the atmosphere before is solved, the ultraviolet light has the sterilization effect, so that odor in the waste gas can be effectively removed, the environment friendliness of workers during sludge dehumidifying and drying is ensured, and the worry of the workers is reduced.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the present invention is not limited thereto, and any equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.

Claims (6)

1. The utility model provides a sludge dehumidifying dryer with photocatalysis function which characterized in that: including the drying chamber, set up drying assembly in the drying chamber, drying assembly can carry out drying process to the mud in the drying chamber, just the drying chamber still is connected with the exhaust gas chamber, set up the exhaust-gas treatment subassembly in the exhaust gas chamber, the exhaust-gas treatment subassembly can be handled the waste gas that produces in the drying chamber, the exhaust-gas treatment subassembly includes nanometer titanium dioxide layer and high energy ultraviolet fluorescent tube, high energy ultraviolet fluorescent tube can shine ultraviolet ray to nanometer titanium dioxide layer, just waste gas in the exhaust gas chamber passes nanometer titanium dioxide layer to realize catalytic degradation, and through with the recovery processing subassembly that the exhaust gas chamber is connected realizes discharging the waste gas after the catalytic degradation.
2. The sludge dehumidifying and drying machine with a photocatalytic function according to claim 1, characterized in that: the drying component comprises a heating plate, the heating plate is connected with a power supply and is electrified through the power supply, the heating plate is provided with at least two heating plates which are respectively connected with the power supply in parallel, and the power of the heating plate is sequentially increased.
3. The sludge dehumidifying and drying machine with a photocatalytic function according to claim 2, characterized in that: the drying component further comprises a drying conveying belt, the drying conveying belt is arranged in an annular mode, the drying conveying belt is provided with conveying rollers, conveying is achieved through the conveying rollers, the drying conveying belt is provided with a material removing roller, the material removing roller is at least three and three, the material removing roller is arranged in an isosceles triangle mode, and the drying conveying belt is sequentially wound on the material removing roller.
4. The sludge dehumidifying and drying machine with a photocatalytic function according to claim 1, characterized in that: the high-energy ultraviolet lamp tubes are arranged in a plurality of numbers, the nanometer titanium dioxide layers are also arranged in a plurality of numbers, the nanometer titanium dioxide layers are arranged in parallel and are arranged on two sides of the waste gas chamber in a staggered mode at intervals, and the nanometer titanium dioxide layers are overlapped in the staggered mode.
5. The sludge dehumidifying and drying machine with a photocatalytic function according to claim 4, characterized in that: the nanometer titanium dioxide layer is obliquely arranged, the oblique direction is downward from two sides to the middle part, and meanwhile, the waste gas flow direction of the waste gas chamber is from top to bottom.
6. The sludge dehumidifying and drying machine with a photocatalytic function according to claim 1, characterized in that: the recovery processing assembly comprises a forced cooler, wherein the forced cooler contains forced cooling liquid, the forced cooler is internally filled with gas subjected to catalytic degradation and used for cooling the gas, the forced cooler is connected with a gas collector, and the gas collector can collect the gas cooled by the forced cooler.
CN202010572952.6A 2020-06-22 2020-06-22 Sludge dehumidifying and drying machine with photocatalysis function Pending CN111620545A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010572952.6A CN111620545A (en) 2020-06-22 2020-06-22 Sludge dehumidifying and drying machine with photocatalysis function

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Application Number Priority Date Filing Date Title
CN202010572952.6A CN111620545A (en) 2020-06-22 2020-06-22 Sludge dehumidifying and drying machine with photocatalysis function

Publications (1)

Publication Number Publication Date
CN111620545A true CN111620545A (en) 2020-09-04

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CN202010572952.6A Pending CN111620545A (en) 2020-06-22 2020-06-22 Sludge dehumidifying and drying machine with photocatalysis function

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113832771A (en) * 2021-11-26 2021-12-24 江苏靓时新材料科技股份有限公司 Dryer for semiconductor impregnated paper

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113832771A (en) * 2021-11-26 2021-12-24 江苏靓时新材料科技股份有限公司 Dryer for semiconductor impregnated paper
CN113832771B (en) * 2021-11-26 2022-02-15 江苏靓时新材料科技股份有限公司 Dryer for semiconductor impregnated paper

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