CN113213728A - Sludge drying machine with built-in high-efficiency pulse dust removal device - Google Patents
Sludge drying machine with built-in high-efficiency pulse dust removal device Download PDFInfo
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- CN113213728A CN113213728A CN202110676698.9A CN202110676698A CN113213728A CN 113213728 A CN113213728 A CN 113213728A CN 202110676698 A CN202110676698 A CN 202110676698A CN 113213728 A CN113213728 A CN 113213728A
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/04—Cleaning filters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/06—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material with means keeping the working surfaces flat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
- B01D46/446—Auxiliary equipment or operation thereof controlling filtration by pressure measuring
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- Filtering Of Dispersed Particles In Gases (AREA)
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Abstract
A sludge drier with a built-in high-efficiency pulse dust removal device comprises a heat pump system and a drying chamber, wherein the heat pump system is communicated with the drying chamber, two air vents are arranged between the heat pump system and the drying chamber and respectively comprise a first air vent and a second air vent, the first air vent is used for conducting moist air to the heat pump system from the drying chamber, and the second air vent is used for conducting dry hot air to the drying chamber from the heat pump system; the drying chamber comprises a dust removal device, the dust removal device is arranged on the first air vent, and the dust removal device is matched with the first air vent. Set up a dust collector through the first blow vent at the drying chamber to heat pump system conduction air, can keep off the dust that produces in the drying chamber, avoid the dust to enter into heat pump system, prevent that the dust from piling up in heat pump system, avoid causing the damage or influencing its function to built-in high-efficient pulse dust collector's sludge drying machine is inside, make built-in high-efficient pulse dust collector's sludge drying machine move in clean environment, the operating efficiency is high and stable, the fault rate is low.
Description
Technical Field
The invention relates to the field of sludge drying, in particular to a sludge drying machine with a built-in high-efficiency pulse dust removal device.
Background
In recent years, with the development of sludge drying technology, low-temperature sludge drying technology has gradually become one of the mainstream technologies of sludge treatment in China. The low-temperature sludge drying technology is a treatment technology for drying the slit-shaped sludge uniformly spread on a mesh belt by the circulating flow of dry hot air generated by a low-temperature drying system in the system.
The present drying equipment inevitably produces partial dust in the sludge drying process, causes blockage to two devices inside the equipment, is easy to accumulate inside the drying equipment, influences the operation of the equipment and simultaneously causes damage to internal mechanisms.
Disclosure of Invention
The invention provides a sludge drying machine with a built-in high-efficiency pulse dust removal device, which aims to solve the technical problems that the existing drying equipment inevitably generates partial dust in the sludge drying process, blocks two devices in the equipment, is easy to accumulate in the drying equipment to influence the operation of the drying equipment and damages the internal mechanism.
The invention provides a sludge drier with a built-in high-efficiency pulse dust removal device, which comprises a heat pump system and a drying chamber, wherein the heat pump system is communicated with the drying chamber, two air vents are arranged between the heat pump system and the drying chamber and respectively comprise a first air vent and a second air vent, the first air vent is used for transmitting moist air to the heat pump system from the drying chamber, and the second air vent is used for transmitting dry and hot air to the drying chamber from the heat pump system; including dust collector in the drying chamber, dust collector set up in on the first blow vent, just dust collector with first blow vent matches.
Preferably, the dust removal device is connected with the heat pump system, the dust removal device is divided into a multi-dust area and a gas distribution block, and the multi-dust area is connected with the gas distribution block; the gas distribution block is communicated with the heat pump system.
Preferably, dust collector includes pulse solenoid valve, gas holder, high pressure hose, rack and dust removal bag, high pressure hose with gas tank connection, pulse solenoid valve set up in on the high pressure hose, high pressure hose keeps away from the one end of gas holder accesss to in the branch gas block, the rack set up in the branch gas block, the dust removal bag cup joints on the rack, dust removal bag opening is towards heat pump system, the dust removal bag separates many dirt districts and branch gas block.
Preferably, the opening of the dust bag is matched with the size of the first air vent.
Preferably, the sludge drying machine with the built-in high-efficiency pulse dust removal device comprises a control device, and the control device is electrically connected with a pulse electromagnetic valve; the control device is a PLC control system.
Preferably, the dust removing device comprises a differential pressure gauge, the differential pressure gauge is electrically connected with the control device, and the differential pressure gauge is used for measuring the pressure difference between the dust-laden area and the environment in the heat pump system.
Preferably, the control device comprises a main control module, a pulse module and a touch screen, wherein the main control module is electrically connected with the pulse module, the pulse module is electrically connected with the pulse solenoid valve, and the touch screen is electrically connected with the main control module.
Preferably, the drying chamber comprises a conveying device, a dry bin, a sludge slitting device, a feeding port and a discharging port, the dry bin is arranged at the discharging port, and the sludge slitting device is arranged at the feeding port; the conveying device comprises a first conveying belt and a second conveying belt, and the conveying directions of the first conveying belt and the second conveying belt are opposite; the feeding port is arranged at the feeding position of the first conveying belt, and the bin outlet is arranged at the discharging position of the second conveying belt.
Preferably, the heat pump system includes a main blower, an evaporator, a condenser, a compressor and an expansion valve, the compressor, the expansion valve, the condenser and the evaporator are connected in sequence, and the main blower is arranged at the second vent.
Preferably, the dust removal bag is made of any one of Polyethylene (PE), polypropylene (PP), Polytetrafluoroethylene (PTFE), meta-aramid fiber (PMIA) and Nylon Monofilament (NMO).
Compared with the prior art, the sludge drying machine with the built-in high-efficiency pulse dust removal device provided by the invention has the following advantages:
1. set up a dust collector through the first blow vent at the drying chamber to heat pump system conduction air, can keep off the dust that produces in the drying chamber, avoid the dust to enter into heat pump system, prevent that the dust from piling up in heat pump system, avoid causing the damage or influencing its function to built-in high-efficient pulse dust collector's sludge drying machine is inside, make built-in high-efficient pulse dust collector's sludge drying machine moves in clean environment, and operating efficiency is high and stable, and the fault rate is low, and further, accessible dust collector replaces the staff to wash inside the sludge drying machine, carries out automation mechanized operation through the machine, reduces the error of artificial operation.
2. The pulse solenoid valve is used for control the high pressure dry air of gas holder insufflates the drying chamber, the dust bag has blocked dry air's entering, causes dry air to can be bloated the dust bag, will dust vibrations on the dust bag are fallen, prevent that the dust accumulation from being in lead to the blow vent to block up on the dust collector, avoid heat pump system continuously produces hot dry air and leads to the pressure too high, ensures the drying chamber with pressure relative balance between the heat pump system ensures simultaneously that equipment is inside to keep clean, makes equipment operating efficiency high and stable, and the fault rate is low.
3. The opening of dust removal bag with first blow vent size matches, can avoid the dust in many dirt districts passes through the dust removal bag with space between the first blow vent transmits to in the heat pump system, keep clean environment in the heat pump system, make built-in high-efficient pulse dust collector's sludge drying machine move in clean environment, ensure simultaneously that built-in high-efficient pulse dust collector's sludge drying machine inside air cycle is stable, ensure that the operating efficiency of equipment is high and stable, reduce the fault rate, furtherly, the dust removal bag cup joints on the rack, the rack can support the dust removal bag prevents to sink, can avoid the dust removal bag is full of dust when blockking the dust and is leaded to falling perpendicularly on the heat pump system direction, prevent that high pressure hose from helping cleaing away of dust and provide dust collection efficiency.
4. The control device is a PLC control system, the control device is in automatic operation, the control device can control the opening and closing of the pulse electromagnetic valve so as to control whether the dust removal device performs dust removal operation, and the control device collects the internal environment through elements such as an internal sensor and the like so as to determine whether dust removal is performed and improve the automation degree of equipment.
5. Differential pressure gauge real-time measurement drying chamber and heat pump system between pressure difference, the dust of piling up increases the back on the dust bag, dust collector's resistance increase, heat pump system's pressure with the pressure inequality in the drying chamber, the differential pressure gauge to control system sends differential pressure signal, control system control pulse solenoid valve starts, through input gas vibrations dust bag, makes the dust on the dust bag shake down for it is more smooth and easy to ventilate between the drying chamber heat pump system, keeps built-in high-efficient pulse dust collector's sludge drying machine inside air cycle stable, improves built-in high-efficient pulse dust collector's sludge drying machine's degree of automation, increases built-in high-efficient pulse dust collector's sludge drying machine's operating stability simultaneously.
6. The utility model discloses a high-efficient pulse dust collector's sludge drying machine, including pulse module, main control module, touch-sensitive screen, controlling means, pulse module, control module, touch-sensitive screen can be convenient for user input instruction, controlling means is through the instruction of carrying out user input to let user control the operation of built-in high-efficient pulse dust collector's sludge drying machine improves the practicality of built-in high-efficient pulse dust collector's sludge drying machine.
7. The mud slitting device is used for cutting mud, avoids the too big mummification effect that leads to of mud volume not good, can avoid the foreign matter to get into the drying chamber simultaneously, and mud slitting device carries the mud of slitting to first conveyer belt in pan feeding mouth position, first conveyer belt carries the mud of slitting to the second conveyer belt, first conveyer belt with the direction of delivery of second conveyer belt is opposite, and the contact time of multiplicable mud and air improves the drying degree of mud.
8. A circulation is formed by the compressor, the condenser, the expansion valve and the evaporator, so that moist and hot air at the upper part is dried and heated, dry and hot air is obtained at the lower part, the moist air enters the heat pump system from the drying chamber at the upper part, the dry and hot air is conveyed into the drying chamber from the heat pump system at the lower part, and a circulation of dry and wet air is formed between the drying chamber and the heat pump system, so that the drying chamber can dry moist sludge, and the use convenience of the equipment is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit of the present invention are intended to be included within the scope of the present invention.
Drawings
FIG. 1 is a schematic view of the overall structure of a sludge drying machine with a built-in high-efficiency pulse dust collector according to a first embodiment of the invention;
fig. 2 is a schematic structural diagram of a dust removing device of a sludge drying machine with a built-in high-efficiency pulse dust removing device according to a first embodiment of the invention.
Description of reference numerals:
100. a sludge drier with a built-in high-efficiency pulse dust removal device; 1. a drying chamber; 2. a heat pump system; 3. a control device; 11. a dust removal device; 12. a first vent; 13. a second vent; 14. a conveying device; 15. a dry bin; 16. a sludge slitting device; 17. a feeding port; 18. a bin outlet; 141. a first conveyor belt; 142. a second conveyor belt; 111. a dusty area; 112. a gas distribution block; 113. a pulse electromagnetic valve; 114. a gas storage tank; 115. a high pressure hose; 116. a net frame; 117. a dust removal bag; 118. a differential pressure gauge; 31. a main control module; 32. a pulse module; 33. a touch screen; 21. a main fan; 22. an evaporator; 23. a condenser; 24. a compressor; 25. an expansion valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-2, a first embodiment of the present invention provides a sludge drying machine 100 with a built-in high-efficiency pulse dust removal device, including a heat pump system 2 and a drying chamber 1, where the heat pump system 2 is communicated with the drying chamber 1, two air vents are disposed between the heat pump system 2 and the drying chamber 1, and are respectively a first air vent 12 and a second air vent 13, the first air vent 12 is used for transmitting humid air from the drying chamber 1 to the heat pump system 2, and the second air vent 13 is used for transmitting dry hot air from the heat pump system 2 to the drying chamber 1;
the drying chamber 1 comprises a dust removal device 11, the dust removal device 11 is arranged on the first air vent 12, and the dust removal device 11 is matched with the first air vent 12.
Specifically, the dust removing device 11 is used for blocking dust generated in the drying chamber 1 and simultaneously performing self-cleaning, and the opening of the dust removing device 11 is matched with the first vent 12, so that dust in the drying chamber 1 can be prevented from being transmitted to the heat pump system 2.
It can be understood that, set up a dust collector 11 through the first blow vent 12 of conducting air to heat pump system 2 at drying chamber 1, can keep off the dust that produces in drying chamber 1, avoid the dust to enter into heat pump system 2, prevent that the dust from piling up in heat pump system 2, sludge drying machine 100 of built-in high-efficient pulse dust collector moves in clean environment, and operating efficiency is high and stable, and the fault rate is low, and further, accessible dust collector 11 replaces the staff to wash the inside of sludge drying machine, carries out automation mechanized operation through the machine, reduces the error of artificial operation.
The dust removal device 11 is connected with the heat pump system 2, the dust removal device 11 is divided into a multi-dust area 111 and a gas distribution block 112, and the multi-dust area 111 is connected with the gas distribution block 112; the air distribution block 112 is communicated with the heat pump system 2.
Specifically, the dust removing device 11 blocks the transmission of dust in the drying chamber 1 and the heat pump system 2, the humid air can be transmitted from the drying chamber 1 to the heat pump system 2, the dust-laden area 111 is communicated with the drying chamber 1, the air distribution block 112 is communicated with the heat pump system 2, the dust-laden air is in the dust-laden area 111, and the clean air is in the air distribution block 112.
Specifically, high pressure hose 115 with gas holder 114 connects, pulse solenoid valve 113 set up in on the high pressure hose 115, store high-pressure dry gas in the gas holder 114, pulse solenoid valve 113 is used for controlling the input of high-pressure dry gas, pulse solenoid valve 113 starts the back, and high-pressure dry gas is input in minute gas piece 112, and high-pressure dry gas is bloated dust bag 117 makes it take place vibrations to make the dust on the dust bag 117 shake and fall.
Specifically, rack 116 is cage structure, dust bag 117 cup joints on the rack 116, rack 116 can support dust bag 117 and prevent to sink, can avoid dust bag 117 to fill up the dust when blockking the dust and lead to dripping heat pump system 2 orientation is last, prevents that high pressure hose 115 from helping cleaing away and providing the dust collection efficiency of dust.
Specifically, the opening of the dust pocket 117 matches the size of the first vent 12. Can avoid the dust in many dirt districts 111 to pass through dust removal bag 117 with space between the first blow vent 12 transmits to in the heat pump system 2, keep the interior clean environment of heat pump system 2, make sludge drying machine move in clean environment, ensure simultaneously that the inside air cycle of sludge drying machine is stable, ensure that the operating efficiency of equipment is high and stable, reduce the fault rate.
Specifically, dust bag 117 is along with the extension of filter time, and the dust layer on the filter bag is long-pending thick, and dust collector 11's resistance is constantly ascending, and when equipment resistance rose to the setting value, pulse solenoid valve 113 started, and high-pressure dry gas expands rapidly in minute gas piece 112 with the time of extremely short, gushes into dust bag 117 makes dust bag 117 inflation deformation produces the vibration to under the effect that reverse air current erodees, adhere to dust on dust bag 117 surface is peeled off and falls.
It can be understood that, the pulse solenoid valve 113 starts, high pressure hose 115 inputs the high pressure dry gas that the gas holder 114 stored to divide in the gas piece 112, divide and be provided with rack 116 in the gas piece 112 and cup joint the dust bag 117 on rack 116, dust bag 117 is under the high pressure dry gas's the vibrations, the dust is shaken off, prevent that dust from piling up on the dust bag 117 and blockking up and leading to gaseous unable smooth and easy conduct from drying chamber 1 to heat pump system 2 in, ensure that the equipment internal pressure is balanced relatively and the internal environment keeps clean, make equipment operating efficiency high and stable, the fault rate is reduced.
The sludge drying machine 100 with the built-in high-efficiency pulse dust removal device comprises a control device 3, wherein the control device 3 is electrically connected with a pulse electromagnetic valve 113.
Specifically, the control device 3 is a PLC control system, the control device 3 is an automatic operation, the control device 3 can control the on/off of the pulse solenoid valve 113, so as to control whether the dust removal device 11 performs the dust removal operation, and the control device 3 collects the internal environment through elements such as an internal sensor, so as to determine whether to perform the dust removal operation, thereby improving the automation degree of the equipment.
The dust removing device 11 comprises a differential pressure gauge 118, the differential pressure gauge 118 is electrically connected with the control device 3, and the differential pressure gauge 118 is used for measuring the pressure difference between the dust-laden area 111 and the environment in the heat pump system 2.
Specifically, differential pressure gauge 118 measures the pressure difference between drying chamber 1 and the heat pump system 2 in real time, and the dust of piling up increases the back on dust bag 117, dust collector 11's resistance increase, heat pump system 2's pressure with pressure inequality in the drying chamber 1, differential pressure gauge 118 to control system sends differential pressure signal, control system control pulse solenoid valve 113 starts, shakes dust through input gas vibrations dust bag 117, makes the dust on the dust bag 117 shaken off for it is more smooth and easy to ventilate between drying chamber 1 heat pump system 2, keeps built-in high efficiency pulse dust collector's sludge drying machine 100 inside air cycle stable, improves built-in high efficiency pulse dust collector's sludge drying machine 100's degree of automation, increases built-in high efficiency pulse dust collector's sludge drying machine 100's operational stability simultaneously.
The control device 3 comprises a main control module 31, a pulse module 32 and a touch screen 33, wherein the main control module 31 is electrically connected with the pulse module 32, the pulse module 32 is electrically connected with a pulse electromagnetic valve 113, and the touch screen 33 is electrically connected with the main control module 31.
Specifically, pulse module 32 is used for controlling the start-up time interval of pulse solenoid valve 113, makes pulse solenoid valve 113 adjustable, host system 31 is used for each module of control device 3, touch-sensitive screen 33 user input instruction of being convenient for, control device 3 is through the instruction of carrying out user input, thereby lets user control built-in high-efficient pulse dust collector's sludge drying machine 100's operation, improves built-in high-efficient pulse dust collector's sludge drying machine 100's practicality.
The drying chamber 1 comprises a conveying device 14, a dry material bin 15, a sludge slitting device 16, a feeding port 17 and a bin outlet 18, wherein the dry material bin 15 is arranged at the bin outlet 18, and the sludge slitting device 16 is arranged at the feeding port 17; the conveying device 14 includes a first conveyor belt 141 and a second conveyor belt 142, and the conveying directions of the first conveyor belt 141 and the second conveyor belt 142 are opposite; the feeding port 17 is disposed at a feeding position of the first conveyor belt 141, and the discharging port 18 is disposed at a discharging position of the second conveyor belt 142.
Specifically, the sludge slitting device 16 is used for slitting sludge, the drying bin 15 is used for loading dried sludge, and the conveying device 14 is used for conveying sludge.
It can be understood that the sludge slitting device 16 prevents the sludge from being too large in volume to cause poor drying effect, and simultaneously can prevent foreign matters from entering the drying chamber 1, the sludge slitting device 16 conveys the slit sludge to the first conveyor belt 141 at the position of the feed inlet 17, the first conveyor belt 141 conveys the slit sludge to the second conveyor belt 142, and the conveying directions of the first conveyor belt 141 and the second conveyor belt 142 are opposite, so that the contact time between the sludge and air can be increased, and the drying degree of the sludge can be improved.
The heat pump system 2 includes a main blower 21, an evaporator 22, a condenser 23, a compressor 24 and an expansion valve 25, the compressor 24, the expansion valve 25, the condenser 23 and the evaporator 22 are connected in sequence, and the main blower 21 is disposed at the second vent.
Specifically, the air cooler 21 blows dry hot air in the heat pump system 2 into the drying chamber 1, and can prevent dust in the drying chamber 1 from entering the heat pump system 2, the compressor 24 provides power for the heat pump system 2, the evaporator 22 is used for gasifying and absorbing heat of refrigerant and absorbing heat in wet air, the condenser 23 cools down high-temperature and high-pressure refrigerant vapor and releases heat, and the expansion valve 25 regulates pressure for the heat pump system 2, so that high-pressure refrigerant liquid is changed into low-pressure refrigerant gas, and simultaneously regulates the liquid supply amount of the evaporator 22.
It can be understood that a circulation is formed by the compressor 24, the condenser 23, the expansion valve 25 and the evaporator 22, so that the moist and hot air at the upper part is dried and heated, the dry and hot air is obtained at the lower part, the moist air enters the heat pump system 2 from the drying chamber 1 at the upper part, the dry and hot air is conveyed into the drying chamber 1 from the heat pump system 2 at the lower part, and a circulation of the dry and wet air is formed between the drying chamber 1 and the heat pump system 2, so that the drying chamber 1 can dry the moist sludge, and the use convenience of the device is improved.
Optionally, the dust removing bag 117 is made of any one of Polyethylene (PE), polypropylene (PP), Polytetrafluoroethylene (PTFE), meta-aramid fiber (PMIA), and Nylon Monofilament (NMO).
Compared with the prior art, the sludge drying machine with the built-in high-efficiency pulse dust removal device provided by the invention has the following advantages:
1. set up a dust collector through the first blow vent at the drying chamber to heat pump system conduction air, can keep off the dust that produces in the drying chamber, avoid the dust to enter into heat pump system, prevent that the dust from piling up in heat pump system, built-in high-efficient pulse dust collector's sludge drying machine moves in clean environment, and operating efficiency is high and stable, and the fault rate is low, and further, accessible dust collector replaces the staff to wash inside the sludge drying machine, carries out automation mechanized operation through the machine, reduces the error of artificial operation.
2. The pulse solenoid valve is used for control the high pressure dry air of gas holder insufflates the drying chamber, the dust bag blocks dry air's entering, and dry air is bloated the dust bag shakes the dust on the dust bag and falls, prevents that the dust accumulation from leading to the blow vent to block up on dust collector, avoids heat pump system to continuously produce dry hot air and leads to the pressure too high, ensures the pressure relative balance between drying chamber and the heat pump system, ensures that equipment inside keeps clean simultaneously, makes equipment operating efficiency high and stable, and the fault rate is low.
3. The opening of dust removal bag with first blow vent size matches, can avoid the dust in many dirt districts to pass through the dust removal bag with space between the first blow vent transmits to in the heat pump system, keep clean environment in the heat pump system, make sludge drying machine move in clean environment, ensure simultaneously that the inside air cycle of sludge drying machine is stable, ensure that the operating efficiency of equipment is high and stable, reduce the fault rate, furtherly, the dust removal bag cup joints on the rack, the rack can support the dust removal bag and prevent to sink, can avoid the dust removal bag to fill up the dust when blockking the dust and lead to falling down on the heat pump system direction, prevent that high-pressure hose from helping cleaing away of dust and provide dust collection efficiency.
4. The control device is a PLC control system, the control device is in automatic operation, the control device can control the opening and closing of the pulse electromagnetic valve so as to control whether the dust removal device performs dust removal operation, and the control device collects the internal environment through elements such as an internal sensor and the like so as to determine whether dust removal is performed and improve the automation degree of equipment.
5. Differential pressure gauge real-time measurement drying chamber and heat pump system between pressure difference, the dust of piling up increases the back on the dust bag, dust collector's resistance increase, heat pump system's pressure with the pressure inequality in the drying chamber, differential pressure gauge to control system sends differential pressure signal, control system control pulse solenoid valve starts, shakes the dust bag through input gas, makes the dust on the dust bag shake down for the drying chamber ventilates more smoothly to between the heat pump system, keeps sludge drying machine inside air cycle stable, improves sludge drying machine's degree of automation, increases sludge drying machine's operating stability simultaneously.
6. The utility model discloses a high-efficient pulse dust collector's sludge drying machine, including pulse module, main control module, touch-sensitive screen, controlling means, pulse module, control module, touch-sensitive screen can be convenient for user input instruction, controlling means is through the instruction of carrying out user input to let user control the operation of built-in high-efficient pulse dust collector's sludge drying machine improves the practicality of built-in high-efficient pulse dust collector's sludge drying machine.
7. The mud slitting device is used for cutting mud, avoids the too big mummification effect that leads to of mud volume not good, can avoid the foreign matter to get into the drying chamber simultaneously, and mud slitting device carries the mud of slitting to first conveyer belt in pan feeding mouth position, first conveyer belt carries the mud of slitting to the second conveyer belt, first conveyer belt with the direction of delivery of second conveyer belt is opposite, and the contact time of multiplicable mud and air improves the drying degree of mud.
8. A circulation is formed by the compressor, the condenser, the expansion valve and the evaporator, so that moist and hot air at the upper part is dried and heated, dry and hot air is obtained at the lower part, the moist air enters the heat pump system from the drying chamber at the upper part, the dry and hot air is conveyed into the drying chamber from the heat pump system at the lower part, and a circulation of dry and wet air is formed between the drying chamber and the heat pump system, so that the drying chamber can dry moist sludge, and the use convenience of the equipment is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a sludge drying machine of built-in high-efficient pulse dust collector which characterized in that: the drying system comprises a heat pump system and a drying chamber, wherein the heat pump system is communicated with the drying chamber, two vent holes are arranged between the heat pump system and the drying chamber and are respectively a first vent hole and a second vent hole, the first vent hole is used for transmitting moist air to the heat pump system from the drying chamber, and the second vent hole is used for transmitting dry and hot air to the drying chamber from the heat pump system;
including dust collector in the drying chamber, dust collector set up in on the first blow vent, just dust collector with first blow vent matches.
2. The sludge drying machine with the built-in high-efficiency pulse dust removal device as set forth in claim 1, characterized in that: the dust removal device is connected with the heat pump system, and is divided into a multi-dust area and a gas distribution block, and the multi-dust area is connected with the gas distribution block;
the gas distribution block is communicated with the heat pump system.
3. The sludge drying machine with the built-in high-efficiency pulse dust removal device as set forth in claim 2, characterized in that: dust collector includes pulse solenoid valve, gas holder, high pressure hose, rack and dust removal bag, high pressure hose with gas tank connection, pulse solenoid valve set up in on the high pressure hose, high pressure hose keeps away from the one end of gas holder accesss to in the branch gas block, the rack set up in the branch gas block, the dust removal bag cup joints on the rack, dust removal bag opening orientation heat pump system, the dust removal bag separates many dirt district and branch gas block.
4. The sludge drying machine with the built-in high-efficiency pulse dust removal device as set forth in claim 3, characterized in that: the opening of the dust removal bag is matched with the first air vent in size.
5. The sludge drying machine with the built-in high-efficiency pulse dust removal device as set forth in claim 3, characterized in that: the sludge drier with the built-in high-efficiency pulse dust removal device comprises a control device, wherein the control device is electrically connected with a pulse electromagnetic valve;
the control device is a PLC control system.
6. The sludge drying machine with the built-in high-efficiency pulse dust removal device as set forth in claim 5, characterized in that: the dust removal device comprises a differential pressure gauge, the differential pressure gauge is electrically connected with the control device, and the differential pressure gauge is used for measuring the pressure difference between the environment in the multi-dust area and the environment in the heat pump system.
7. The sludge drying machine with the built-in high-efficiency pulse dust removal device as set forth in claim 5, characterized in that: the control device comprises a main control module, a pulse module and a touch screen, wherein the main control module is electrically connected with the pulse module, the pulse module is electrically connected with the pulse electromagnetic valve, and the touch screen is electrically connected with the main control module.
8. The sludge drying machine with the built-in high-efficiency pulse dust removal device as set forth in claim 1, characterized in that: the drying chamber comprises a conveying device, a drying bin, a sludge slitting device, a feeding port and a discharging port, wherein the drying bin is arranged at the discharging port, and the sludge slitting device is arranged at the feeding port;
the conveying device comprises a first conveying belt and a second conveying belt, and the conveying directions of the first conveying belt and the second conveying belt are opposite;
the feeding port is arranged at the feeding position of the first conveying belt, and the bin outlet is arranged at the discharging position of the second conveying belt.
9. The sludge drying machine with the built-in high-efficiency pulse dust removal device as set forth in claim 1, characterized in that: the heat pump system comprises a main fan, an evaporator, a condenser, a compressor and an expansion valve, wherein the compressor, the expansion valve, the condenser and the evaporator are sequentially connected, and the main fan is arranged at a second vent.
10. The sludge drying machine with the built-in high-efficiency pulse dust removal device as set forth in claim 1, characterized in that: the dust removal bag is made of any one of Polyethylene (PE), polypropylene (PP), Polytetrafluoroethylene (PTFE), meta-aramid fiber (PMIA) and Nylon Monofilament (NMO).
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| CN202110676698.9A CN113213728A (en) | 2021-06-18 | 2021-06-18 | Sludge drying machine with built-in high-efficiency pulse dust removal device |
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| CN202110676698.9A CN113213728A (en) | 2021-06-18 | 2021-06-18 | Sludge drying machine with built-in high-efficiency pulse dust removal device |
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| CN113213728A true CN113213728A (en) | 2021-08-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114477702A (en) * | 2021-12-30 | 2022-05-13 | 江苏博一环保科技有限公司 | Sludge drying system with automatic dust removal device |
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| CN207958098U (en) * | 2017-12-13 | 2018-10-12 | 陕西宇清环境科技有限公司 | A kind of flow-circulating type Low Temperature Thermal sludge drier |
| CN209619163U (en) * | 2019-01-26 | 2019-11-12 | 山东环科环保科技有限公司 | It is a kind of can automatic dust removing sludge drying machine |
| CN111578662A (en) * | 2020-04-26 | 2020-08-25 | 上海净泥新能源科技有限公司 | Intelligent recognition type condensation dehumidification mummification system |
| CN212833407U (en) * | 2020-07-17 | 2021-03-30 | 广州凯能电器科技有限公司 | Pulse dust removal system of sludge drying equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN207958098U (en) * | 2017-12-13 | 2018-10-12 | 陕西宇清环境科技有限公司 | A kind of flow-circulating type Low Temperature Thermal sludge drier |
| CN209619163U (en) * | 2019-01-26 | 2019-11-12 | 山东环科环保科技有限公司 | It is a kind of can automatic dust removing sludge drying machine |
| CN111578662A (en) * | 2020-04-26 | 2020-08-25 | 上海净泥新能源科技有限公司 | Intelligent recognition type condensation dehumidification mummification system |
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| CN114477702A (en) * | 2021-12-30 | 2022-05-13 | 江苏博一环保科技有限公司 | Sludge drying system with automatic dust removal device |
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Application publication date: 20210806 |