CN113371972B - Air-equalizing dust removal device for sludge drying equipment and sludge drying equipment - Google Patents
Air-equalizing dust removal device for sludge drying equipment and sludge drying equipment Download PDFInfo
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- CN113371972B CN113371972B CN202011330882.XA CN202011330882A CN113371972B CN 113371972 B CN113371972 B CN 113371972B CN 202011330882 A CN202011330882 A CN 202011330882A CN 113371972 B CN113371972 B CN 113371972B
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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
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The application relates to an air-equalizing dust removal device for sludge drying equipment and the sludge drying equipment, wherein the air-equalizing dust removal device comprises an oven, an external circulation air fan, a heat exchange prying block and a dust removal system; the oven, the external circulation air fan and the heat exchange prying block are communicated to form an external circulation air channel; the drying oven is provided with a transmission mesh belt and an internal circulation air channel; a plurality of guide plates are arranged at the upper end of the internal circulation air channel and used for guiding the internal circulation air in the internal circulation air channel to the transmission mesh belt; an air equalizing plate is arranged between the guide plate and the transmission mesh belt; the drying oven is connected with the heat exchange pry block through an external circulating air return channel, and two ends of the external circulating air return channel are provided with dust removal systems. This application is through guide plate and air-equalizing plate, and the even, abundant contact heat transfer of mud that each position on inner loop wind and the transmission net area that can make improves mummification efficiency.
Description
Technical Field
The application relates to the field of sludge drying, in particular to an air-equalizing dust removal device for sludge drying equipment and the sludge drying equipment.
Background
Inside fluid (hot-blast) of traditional small-size electric heat pump model oven distributes unevenly, leads to hot-blast position of passing uneven in the guipure of whole transmission mud, and some positions are hot-blast more, and some positions are hot-blast less, and then lead to the mud of each position of guipure can't fully contact the heat transfer with hot-blast for there is the blind area of mud evaporation dehydration in the oven. And simultaneously, the dust is larger due to the circulation direction of hot air. In the aspect of dust removal, plate type and belt type dust collectors are generally adopted, the dust removal effect is poor, a dust removal device needs to be replaced manually at regular intervals, and the labor intensity is high.
Based on the above-mentioned drawbacks of the conventional small electric heat pump oven, no effective solution is given in the prior art.
Disclosure of Invention
In order to solve the technical problems or at least partially solve the technical problems, the application provides an air equalizing and dust removing device for a sludge drying device and the sludge drying device.
In a first aspect, the application provides an air-equalizing and dust-removing device for a sludge drying apparatus, which comprises an oven, an external circulation air fan, a heat exchange pry block and a dust-removing system; the oven, the external circulation air fan and the heat exchange prying block are communicated to form an external circulation air channel; the drying oven is provided with a transmission mesh belt and an internal circulation air channel; a plurality of guide plates are arranged at the upper end of the internal circulation air channel and used for guiding the internal circulation air in the internal circulation air channel to the transmission mesh belt; an air equalizing plate is arranged between the guide plate and the transmission mesh belt; the drying oven is connected with the heat exchange pry block through an external circulating air return channel, and two ends of the external circulating air return channel are provided with dust removal systems.
Optionally, the porosity of the air-equalizing plate is between 30% and 50%; the plurality of guide plates are arranged at equal intervals and are increased step by step; each baffle is arc-shaped.
Optionally, the oven is sequentially divided into a head module, a preheating module, an air inlet module, a middle module and a tail module; the air inlet module is provided with an external circulating air supply outlet; the tail module is provided with an external circulating air return port, and the external circulating air return port of the oven is connected with the heat exchange pry block through an external circulating air return channel; the outer circulating air return inlet is provided with a dust filtering structure, and one end, close to the outer circulating air return channel, of the heat exchange prying block is provided with a water film dust removal system.
Optionally, the dust filtering structure comprises an arch-shaped filter cloth and a brush provided with a rotating wheel, and the rotating wheel is used for driving the brush to remove dust on the arch-shaped filter cloth.
Optionally, the water film dust removal system comprises a nozzle, a circulating water pump and a water tank; the two ends of the circulating water pump are respectively connected with the nozzle and the water tank, and the nozzle, the circulating water pump and the water tank are used for forming a water circulation structure.
Optionally, the water spraying direction of the nozzle is opposite to the wind incoming direction of the external circulation wind.
Optionally, an evaporator, a first subcooler and a first condenser are further arranged in the heat exchange pry block; the evaporator is close to the water film dedusting system, and the first subcooler is positioned between the evaporator and the first condenser.
Optionally, the preheating chamber, the air intake module and the intermediate module are provided with a drying chamber and a heat compensation chamber; the drying chamber is communicated with the heat supplementing chamber through an internal circulation air inlet and an internal circulation air outlet; the heat supplementing chamber, the internal circulation air inlet, the drying chamber and the internal circulation air outlet form the internal circulation air channel; the guide plates are arranged at the upper end of the drying chamber, each guide plate is arranged along the axial direction of the drying oven, and the guide plates are also used for guiding the internal circulation air to the conveying mesh belt from top to bottom.
Optionally, V-shaped heat exchangers are arranged below the heat compensation chambers of the preheating module, the air inlet module and the intermediate module, and an internal circulation air blower is arranged above each V-shaped heat exchanger; the internal circulation air fan is used for generating internal circulation air in the internal circulation air channel; the V-shaped heat exchanger is used for exchanging heat for the generated internal circulation air.
In a second aspect, the application provides a sludge drying apparatus, which comprises the uniform air dust removal device.
Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:
the drying device has the advantages that the drying device can dry sludge on the transmission mesh belt in the drying oven by utilizing the external circulation air through the external circulation air channel, can supplement heat to the external circulation air by utilizing the internal circulation air through the internal circulation air channel, can ensure that the internal circulation air and the sludge at each position on the transmission mesh belt are uniformly and fully contacted for heat exchange through the guide plate and the air equalizing plate, and improves drying efficiency.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic view of a sludge drying apparatus provided in various embodiments of the present application;
FIG. 2 is a top view of an oven provided in various embodiments of the present application;
FIG. 3 is a side view of an oven provided in various embodiments of the present application;
FIG. 4 is a schematic view of a dust filter arrangement provided at a tail module according to various embodiments of the present application;
FIG. 5 is a schematic view of a water film dust removal system provided in various embodiments of the present application;
fig. 6 is a schematic view of a heat exchange skid provided in various embodiments of the present application.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in itself. Thus, "module", "component" or "unit" may be used mixedly.
Example one
The embodiment of the invention provides an air-equalizing and dust-removing device for sludge drying equipment, which comprises an oven 100, an external circulation air fan 400, a heat exchange pry block 200 and a dust-removing system, as shown in fig. 1-6; the oven, the external circulation air fan and the heat exchange prying block are communicated to form an external circulation air channel; the drying oven is provided with a transmission mesh belt and an internal circulation air channel; a plurality of guide plates 106 are arranged at the upper end of the internal circulation air channel and used for guiding the internal circulation air in the internal circulation air channel to the transmission mesh belt; an air equalizing plate 107 is arranged between the guide plate and the transmission mesh belt; the drying oven and the heat exchange pry block are connected through an external circulating air return channel 111, and two ends of the external circulating air return channel are provided with dust removal systems. Wherein the conveying mesh belt is used for conveying sludge. The air-equalizing dust removal device and the sludge drying equipment share the oven, the external circulation air blower and the heat exchange prying block. The mesh belt can be divided into an upper mesh belt 103 and a lower mesh belt 104. The compressor skid constitutes the heat pump driving source of sludge drying equipment, includes 2 screw compressors. The dust removal system comprises a water film dust removal system 201 and a dust filtering structure provided with an oven tail module.
According to the embodiment of the invention, the sludge on the transmission mesh belt in the oven can be dried by using the external circulating air through the external circulating air channel, the heat compensation of the external circulating air by using the internal circulating air can be realized through the internal circulating air channel, the internal circulating air can be uniformly and fully contacted with the sludge at each position on the transmission mesh belt for heat exchange through the guide plate and the air equalizing plate, and no dead angle exists.
Optionally, the porosity of the air-equalizing plate is between 30% and 50%; the porosity setting can not only make the internal circulation wind more uniformly contact with the sludge at each position on the transmission net belt, but also effectively reduce the dust caused by the internal circulation wind. The plurality of guide plates are arranged at equal intervals and gradually increase along the incoming wind direction of the guided internal circulation wind; each baffle is arc-shaped. Through the equidistant arrangement and the gradually increased guide plates, the internal circulation air can be further in more uniform contact with the sludge at each position on the transmission net belt.
In some embodiments, the oven is sequentially divided into a first module 1, a preheating module 2, an air inlet module 3, a middle module 4 and a tail module 5; the air inlet module is provided with an external circulating air supply outlet; the tail module is provided with an external circulating air return port, and the external circulating air return port of the oven is connected with the heat exchange pry block through an external circulating air return channel; the outer circulation return air inlet is provided with a dust filtering structure, and one end, close to the outer circulation return air channel, of the heat exchange prying block is provided with a water film dust removal system 201. Through dust filtration and water film dust pelletizing system, realize the economic benefits and social benefits dust removal, reduce extrinsic cycle wind dust content, reduce each heat exchanger corrosion risk.
The dust filtering structure comprises an arch-shaped filter cloth 101 and a brush 109 provided with a rotating wheel 110, and the rotating wheel is used for driving the brush to remove dust on the arch-shaped filter cloth. The water film dedusting system comprises a nozzle 2011, a circulating water pump 2012 and a water tank 2013; the two ends of the circulating water pump are respectively connected with the nozzle and the water tank, and the nozzle, the circulating water pump and the water tank are used for forming a water circulation structure. Optionally, the water spraying direction of the nozzle is opposite to the wind incoming direction of the external circulation wind.
In some embodiments, the heat exchange skid is further provided with an evaporator (first evaporator 202 and second evaporator 203), a first subcooler 204 and a first condenser 205; the evaporator is close to the water film dedusting system, and the first subcooler is positioned between the evaporator and the first condenser. The first subcooler is used for removing water drops in the external circulation air from the evaporator, so that the air entering the first condenser does not contain water drops, the dry-wet separation is realized, and the corrosion risk of the first condenser is reduced. In addition, the first subcooler can resist water drops in the external circulating air coming out of the evaporator through the equipment, and can transfer heat from the high-temperature liquid refrigerant to the external circulating air through a heat transfer mode, so that the water drops in the external circulating air are vaporized, and the water drops are eliminated. Therefore, water drops in the external circulating air can be reduced, the refrigerant can be supercooled, and the efficiency of the heat pump is improved.
In some embodiments, a drying chamber and a heat compensation chamber are arranged in each of the preheating chamber, the air inlet module and the middle module; the drying chamber is communicated with the heat supplementing chamber through an internal circulating air inlet and an internal circulating air outlet; the heat supplementing chamber, the internal circulation air inlet, the drying chamber and the internal circulation air outlet form the internal circulation air channel; the guide plates 106 are arranged at the upper end of the drying chamber, each guide plate is arranged along the axial direction of the drying oven, and the guide plates are also used for guiding the internal circulation air to the conveying mesh belt from top to bottom. The guide plate changes the air supply mode of the internal circulation air into downward air supply, the circulation air sequentially penetrates through two layers of sludge from top to bottom, and the sludge layer per se has the effect of filtering dust to further realize dust removal.
Optionally, V-shaped heat exchangers 105 are disposed below the heat compensation chambers of the preheating module, the air inlet module and the intermediate module, and an internal circulation air blower 102 is disposed above each V-shaped heat exchanger; the internal circulation air fan is used for generating internal circulation air in the internal circulation air channel; the V-shaped heat exchanger is used for exchanging heat for the generated internal circulation air. Therefore, multi-stage heat supplementing can be performed on the external circulating air in the drying oven, and the hot air dehumidifying capacity of unit mass is improved. For example, by additionally arranging a multi-stage heat-supplementing device in a sludge drying device, the water removal amount of hot air per unit mass reaches 60g/(kg dry air), and if the multi-stage heat-supplementing device is not arranged, the water removal amount of hot air per unit mass is only 12g/(kg dry air). In addition, the multistage heat supplementing device is additionally arranged, the dehumidification capacity of hot air in unit mass is improved by 4 times, the external circulation air quantity can be reduced, the external circulation hot air quantity can be reduced by 80 percent, the dust quantity carried by the hot air is greatly reduced, and the dust removal pressure of a dust removal device in the sludge drying equipment is reduced.
The V-shaped heat exchanger in the preheating module consists of a second subcooler and a third subcooler, the V-shaped heat exchanger in the air inlet module consists of a second condenser, the V-shaped heat exchanger in the middle module consists of a third condenser, the second subcooler is connected with the second condenser, and the third subcooler is connected with the third condenser. The evaporator in the heat exchange pry block is divided into a first evaporator and a second evaporator.
The air-balancing dust removal device also comprises a first screw compressor, a first shell-and-tube economizer, a first liquid storage device, a second screw compressor, a second shell-and-tube economizer and a second liquid storage device.
The tube side of the first shell-and-tube economizer is respectively connected with the first end of the first liquid storage device and the first end of the first evaporator; the shell side of the first shell-and-tube economizer is connected with the second end of the first evaporator and the suction inlet of the first screw compressor respectively, the discharge port of the first screw compressor is connected with the first end of the second condenser, the second end of the second condenser is connected with the first end of the second subcooler, and the second end of the second subcooler is connected with the second end of the first liquid accumulator.
The tube side of the second shell-and-tube economizer is respectively connected with the first end of the second liquid storage device and the first end of the second evaporator; the shell side of the second shell-and-tube economizer is connected with the second end of the second evaporator and the suction inlet of the second screw compressor respectively, the discharge port of the second screw compressor is connected with the first end of the third condenser, the second end of the third condenser is connected with the first end of the third subcooler, and the second end of the third subcooler is connected with the second end of the second liquid accumulator.
Through the structure, the gradient utilization of energy is realized, the adaptability of the preheating module to the energy quality is stronger, and the comprehensive utilization rate of the system energy is greatly improved by utilizing the high-temperature liquid refrigerant (95 ℃) with higher quality. And the subcooler is arranged in the oven, the heat of the subcooler is still provided for heating and evaporating the sludge, and meanwhile, the refrigerant is subcooled in the subcooler, so that on one hand, the energy efficiency of the heat pump is improved, and on the other hand, the heat for drying is increased.
Briefly describe the principle of a specific air-equalizing dust-removing device provided by the embodiment of the invention.
In order to realize uniform air distribution in the embodiment, the air guide plates and the air equalizing plates are arranged in the drying chamber of the drying oven, the air guide plates are sequentially arranged along the height of the air supply outlet of the internal circulation fan in a quartering mode, and the air guide plates penetrate through the preheating module, the air inlet module and the middle module in length. The arc radius of the guide plates is gradually increased from near to far away from the air supply outlet of the internal circulation fan, so that the guide plates are gradually increased and fixed on the top of the oven through the support. The distribution of hot-blast through the guide plate in the drying chamber is even relatively, on upper mesh belt mud upper strata, set up a wind equalizing plate again, its width is the drying chamber width, length runs through preheating module, air inlet module and middle module, wind equalizing plate porosity 40%, hot-blast behind guide plate and wind equalizing plate, can fully contact with the mud of each position of upper mesh belt, mud itself is the porous medium in addition, the hot-blast distribution that passes through from upper mesh belt is more even, the mud of each position of lower floor's mesh belt and hot-blast full contact have also been guaranteed.
In order to realize multi-effect dust removal, an internal circulation air supply mode in the oven is changed into downward air supply, and on the basis of uniform air distribution through the air equalizing plate, the air pressure can be reduced, the reduction of the air pressure can reduce the generation of dust, hot air sequentially passes through two layers of sludge from top to bottom, and the sludge layer has the dust filtering effect; in addition, the filter cloth dust removal is arranged at the tail module of the oven, the filter cloth meshes are 200 meshes, the filter cloth is arranged in an arch shape, a rotating wheel driven by a motor is arranged below the arch-shaped filter cloth, a plurality of brushes are arranged on the rotating wheel, the rotating wheel drives the brushes to rotate to realize automatic dust removal, and the dust automatically removed is collected to a discharge port by a dust removal scraper conveyor and is discharged.
In addition, a water film dedusting system is arranged in a flue of an external circulating air outlet 108 of the oven, an air inlet of the water film dedusting system is connected with an external circulating air return air duct led out from an outlet of the oven, condensed water of an evaporator of the heat pump system is used as water film dedusting water of the water film dedusting system, nozzles are arranged on the side close to the water film dedusting air outlet, a plurality of rows of nozzles are arranged to ensure that water mist is fully contacted with air, and the water spraying direction of the water film dedusting is opposite to the flowing direction of the external circulating air return air. After the three-effect dust removal, the dust content in the external circulating air is greatly reduced, and at the moment, relatively clean external circulating air enters the evaporator and the condenser, so that the corrosion risk of the condenser can be reduced.
According to the invention, the lower air supply in the oven can heat the sludge on the transmission mesh belt more uniformly by the guide plate and the air equalizing plate, so that the constant-speed drying stage of sludge drying is prolonged, the wetting time of the surface of the sludge is prolonged, the dust generated by the sludge is further reduced, and the dust removal load is reduced; compared with the upward air supply used in the traditional sludge drying, the lower air supply in the drying oven has the functions of filtering and dedusting air flow on the basis of reducing dust emission through two layers of transmission mesh belts; the sludge drying equipment has the advantages of higher energy utilization efficiency and more uniform heating, so that the required external circulation air quantity is reduced, and the raised dust can also be reduced. Therefore, all parts of the air-equalizing dust removal device are mutually cooperated to generate a comprehensive effect on the dust raising condition in the oven, and the purposes of reducing the dust quantity and the dust removal load are achieved.
Example two
The embodiment of the invention provides sludge drying equipment which comprises an air-equalizing dust removal device according to any one of the embodiments.
The embodiment of the invention can be referred to as the first embodiment in the concrete implementation process, and has corresponding technical effects.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. A wind-equalizing dust removal device for sludge drying equipment is characterized by comprising an oven, an external circulation wind fan, a heat exchange prying block and a dust removal system; the oven, the external circulation air fan and the heat exchange prying block are communicated to form an external circulation air channel; a transmission mesh belt and an internal circulation air channel are arranged in the oven; a plurality of guide plates are arranged at the upper end of the internal circulation air channel and used for guiding the internal circulation air in the internal circulation air channel to the transmission mesh belt; an air equalizing plate is arranged between the guide plate and the transmission mesh belt; the drying oven is connected with the heat exchange pry block through an external circulating air return channel, and two ends of the external circulating air return channel are provided with dust removal systems;
the oven is sequentially divided into a head module, a preheating module, an air inlet module, a middle module and a tail module; the air inlet module is provided with an external circulating air supply outlet; the tail module is provided with an external circulating air return port, and the external circulating air return port of the oven is connected with the heat exchange pry block through an external circulating air return channel;
the preheating module, the air inlet module and the middle module are internally provided with a drying chamber and a heat supplementing chamber; the drying chamber is communicated with the heat supplementing chamber through an internal circulation air inlet and an internal circulation air outlet; the heat supplementing chamber, the internal circulation air inlet, the drying chamber and the internal circulation air outlet form the internal circulation air channel; the plurality of guide plates are arranged at the upper end of the drying chamber, each guide plate is arranged along the axial direction of the drying oven, and the plurality of guide plates are also used for guiding the internal circulation air to the conveying mesh belt from top to bottom;
v-shaped heat exchangers are arranged below the heat compensation chambers of the preheating module, the air inlet module and the middle module, and an internal circulation air fan is arranged above each V-shaped heat exchanger; the internal circulation air fan is used for generating internal circulation air in the internal circulation air channel; the V-shaped heat exchanger is used for exchanging heat for the generated internal circulation air;
the V-shaped heat exchanger in the preheating module consists of a second subcooler and a third subcooler, the V-shaped heat exchanger in the air inlet module consists of a second condenser, the V-shaped heat exchanger in the middle module consists of a third condenser, the second subcooler is connected with the second condenser, and the third subcooler is connected with the third condenser; the evaporator in the heat exchange pry block is divided into a first evaporator and a second evaporator;
the air-equalizing dust removal device also comprises a first screw compressor, a first shell-and-tube economizer, a first liquid storage device, a second screw compressor, a second shell-and-tube economizer and a second liquid storage device;
the tube side of the first shell-and-tube economizer is respectively connected with the first end of the first liquid storage device and the first end of the first evaporator; the shell side of the first shell-and-tube economizer is respectively connected with the second end of the first evaporator and the suction inlet of the first screw compressor, the discharge port of the first screw compressor is connected with the first end of the second condenser, the second end of the second condenser is connected with the first end of the second subcooler, and the second end of the second subcooler is connected with the second end of the first liquid accumulator;
the tube side of the second shell-and-tube economizer is respectively connected with the first end of the second liquid storage device and the first end of the second evaporator; the shell side of the second shell-and-tube economizer is connected with the second end of the second evaporator and the suction inlet of the second screw compressor respectively, the discharge port of the second screw compressor is connected with the first end of the third condenser, the second end of the third condenser is connected with the first end of the third subcooler, and the second end of the third subcooler is connected with the second end of the second liquid accumulator.
2. The wind-equalizing and dust-removing device of claim 1, wherein the porosity of the wind-equalizing plate is between 30% and 50%; the plurality of guide plates are arranged at equal intervals and are increased step by step; each baffle is arc-shaped.
3. The air-equalizing dust removal device as claimed in claim 1 or 2, wherein the external circulation air return opening is provided with a dust filtering structure, and one end of the heat exchange pry block, which is close to the external circulation air return channel, is provided with a water film dust removal system.
4. The wind-equalizing dust removing device of claim 3, wherein the dust filtering structure comprises an arch-shaped filter cloth and a brush provided with a rotating wheel, and the rotating wheel is used for driving the brush to remove dust on the arch-shaped filter cloth.
5. The wind equalizing and dust removing device according to claim 3, wherein the water film dust removing system comprises a nozzle, a circulating water pump and a water tank; the two ends of the circulating water pump are respectively connected with the nozzle and the water tank, and the nozzle, the circulating water pump and the water tank are used for forming a water circulation structure.
6. The wind equalizing and dust removing device of claim 5, wherein the water spraying direction of the nozzles is opposite to the incoming wind direction of the external circulating wind.
7. The air-equalizing dust removal device of claim 5, wherein an evaporator, a first subcooler and a first condenser are further arranged in the heat exchange pry block; the evaporator is close to the water film dedusting system, and the first subcooler is positioned between the evaporator and the first condenser.
8. A sludge drying apparatus, characterized in that the sludge drying apparatus comprises the air-equalizing dust-removing device of any one of claims 1 to 7.
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| CN202011330882.XA CN113371972B (en) | 2020-11-24 | 2020-11-24 | Air-equalizing dust removal device for sludge drying equipment and sludge drying equipment |
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| CN113371972B true CN113371972B (en) | 2022-06-03 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101281698A (en) * | 2008-06-03 | 2008-10-08 | 浙江融智能源科技有限公司 | Simulation platform and test method for flow field arrangement structure of flue gas denitration apparatus |
| CN106957139A (en) * | 2017-05-05 | 2017-07-18 | 北京纬纶华业环保科技股份有限公司 | A kind of low-temperature sludge drying treatment system |
| CN111018299A (en) * | 2019-11-18 | 2020-04-17 | 江苏天舒电器有限公司 | Negative pressure type heat pump closed sludge drying system |
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2020
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101281698A (en) * | 2008-06-03 | 2008-10-08 | 浙江融智能源科技有限公司 | Simulation platform and test method for flow field arrangement structure of flue gas denitration apparatus |
| CN106957139A (en) * | 2017-05-05 | 2017-07-18 | 北京纬纶华业环保科技股份有限公司 | A kind of low-temperature sludge drying treatment system |
| CN111018299A (en) * | 2019-11-18 | 2020-04-17 | 江苏天舒电器有限公司 | Negative pressure type heat pump closed sludge drying system |
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Effective date of registration: 20220915 Address after: Room 407, 4th Floor, Building 4, No. 48, Zhongguancun South Street, Haidian District, Beijing 100081 Patentee after: BEIJING AQUAROOT ENVIRONMENT TECHNOLOGY CO.,LTD. Address before: No.2 workshop of Hunan Central Research Institute of Nonferrous Metals Co., Ltd., 339 Wangcheng Avenue, Wangcheng economic and Technological Development Zone, Changsha, Hunan 410000 Patentee before: Hunan Qingyuan Intelligent Manufacturing Equipment Co.,Ltd. |