CN222540639U - Energy-saving sludge carbonization equipment - Google Patents
Energy-saving sludge carbonization equipment Download PDFInfo
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- CN222540639U CN222540639U CN202323248024.2U CN202323248024U CN222540639U CN 222540639 U CN222540639 U CN 222540639U CN 202323248024 U CN202323248024 U CN 202323248024U CN 222540639 U CN222540639 U CN 222540639U
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- 239000010802 sludge Substances 0.000 title claims abstract description 177
- 238000003763 carbonization Methods 0.000 title claims abstract description 162
- 238000010438 heat treatment Methods 0.000 claims abstract description 31
- 238000007599 discharging Methods 0.000 claims abstract description 17
- 238000002485 combustion reaction Methods 0.000 claims abstract description 15
- 239000007789 gas Substances 0.000 claims description 26
- 238000001816 cooling Methods 0.000 claims description 17
- 239000000428 dust Substances 0.000 claims description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 8
- 239000000779 smoke Substances 0.000 claims description 7
- 239000003345 natural gas Substances 0.000 claims description 4
- 239000002283 diesel fuel Substances 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 238000010000 carbonizing Methods 0.000 claims description 2
- 238000000197 pyrolysis Methods 0.000 abstract description 4
- 230000032258 transport Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 239000002699 waste material Substances 0.000 description 6
- 239000010865 sewage Substances 0.000 description 5
- 239000002910 solid waste Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Treatment Of Sludge (AREA)
Abstract
本实用新型提供一种节能污泥炭化设备，包括热风发生器、进料装置、炭化炉、出料装置和尾气处理装置，炭化炉炉腔内分设有有机生化污泥炭化炉炉腔和含油有机污泥炭化炉炉腔，两个炉腔共用热风发生器和尾气处理装置，分别配有独立的进料装置、出料装置；有机生化污泥炭化炉炉腔和/或含油有机污泥炭化炉炉腔还设置有引风机，引风机通过管道与热风发生器的燃烧室连接。本实用新型将有机生化污泥和含油有机污泥分别输送至同一个炭化炉中不同的炉腔内，消除了两者混合后形成的二次污染，不影响后续污泥处理。两个炉腔内炭化时所产生的高热值干馏气体经引风机引出后进行热量循环，实现两个独立炉腔热量共用，节约了加热能源。
The utility model provides an energy-saving sludge carbonization equipment, including a hot air generator, a feeding device, a carbonization furnace, a discharging device and an exhaust gas treatment device. The furnace chamber of the carbonization furnace is divided into an organic biochemical sludge carbonization furnace chamber and an oil-containing organic sludge carbonization furnace chamber. The two furnace chambers share the hot air generator and the exhaust gas treatment device, and are respectively equipped with independent feeding devices and discharging devices; the furnace chamber of the organic biochemical sludge carbonization furnace and/or the furnace chamber of the oil-containing organic sludge carbonization furnace are also provided with an induced draft fan, which is connected to the combustion chamber of the hot air generator through a pipeline. The utility model transports the organic biochemical sludge and the oil-containing organic sludge to different furnace chambers in the same carbonization furnace, thereby eliminating the secondary pollution formed after the two are mixed, and does not affect the subsequent sludge treatment. The high calorific value dry distillation gas generated during carbonization in the two furnace chambers is drawn out by the induced draft fan and then circulated for heat, so that the heat of the two independent furnace chambers is shared, saving heating energy.
Description
Technical Field
The utility model relates to the technical field of solid waste resource utilization, in particular to energy-saving sludge carbonization equipment.
Background
Most of petrochemical enterprises adopt an activated sludge process for sewage treatment, and after sewage is treated into clean water by a sewage treatment plant, a large amount of sludge remains in the plant. Since the surplus sludge contains a large amount of organisms and organic matter, these sludge is called organic biochemical sludge. Meanwhile, the petrochemical industry also contains more oily sewage, and more oily organic sludge can be generated after sewage treatment. At present, the types of sludge in the petrochemical industry are mainly two types, and the treatment amount is large. Therefore, it is particularly critical how these two types of sludge can be disposed of in terms of harmlessness, recycling, and the like.
The existing sludge drying technology can realize reduction, but has some defects in aspects of harmlessness, resource utilization and the like, and the sludge carbonization technology not only can reduce the discharge amount of sludge, but also can solidify heavy metals in the sludge, has the possibility of changing dangerous waste into common solid waste, and simultaneously has high utilization value of carbonized products.
The heat of the organic biochemical sludge is not high, the heat value of the oily organic sludge is high, and a certain amount of heat is needed to be supplemented in the carbonization process of the pure organic biochemical sludge to completely carbonize the pure organic biochemical sludge. And more heat in the carbonization process of the pure oil-containing sludge is superfluous, so that heat is wasted. The common carbonized organic biochemical sludge and the oily organic sludge can fully utilize the combustible carbonization gas generated during the carbonization of the oily organic sludge, fully utilize the heat value of the oily organic sludge, and reduce the use of carbonization energy. However, if the two are simply mixed into the same carbonization furnace, although the energy is saved, the property of the carbonized sludge can be influenced, and the subsequent sludge treatment is influenced. The general organic biochemical sludge can be treated as general solid waste after carbonization, and the oily organic sludge still is dangerous waste after carbonization, if the oily organic sludge is carbonized after simple mixing, the final sludge is dangerous waste, and the disposal cost of the sludge is increased. Therefore, how the organic biochemical sludge and the oily organic sludge can not influence the properties of the sludge after carbonization in the carbonization process and can recycle the heat of the oily organic sludge is worth to be explored.
In view of the above drawbacks, the present inventors have completed the present utility model through long-time studies and practices.
Disclosure of utility model
The utility model provides energy-saving sludge carbonization equipment which comprises a hot air generator, a feeding device, a carbonization furnace heating cavity, a discharging device and a tail gas treatment device, wherein an organic biochemical sludge carbonization furnace cavity and an oil-containing organic sludge carbonization furnace cavity which can rotate relative to the carbonization furnace heating cavity are arranged in the carbonization furnace heating cavity, the organic biochemical sludge carbonization furnace cavity and the oil-containing organic sludge carbonization furnace cavity are independent and are respectively provided with the independent feeding device and the discharging device, the carbonization furnace cavity is connected with the hot air generator and is used for heating the organic biochemical sludge carbonization furnace cavity and the oil-containing organic sludge carbonization furnace cavity, tail gas of the organic biochemical sludge carbonization furnace cavity and the oil-containing organic sludge carbonization furnace cavity is respectively discharged and then is introduced into the same tail gas treatment device, and an induced draft fan is further connected with the organic biochemical sludge carbonization furnace cavity and/or the oil-containing organic sludge carbonization furnace cavity and is connected with the hot air generator through a pipeline.
In the scheme, the organic biochemical sludge and the oily organic sludge are heated by using the same heating cavity of the carbonization furnace, and independent disposal furnace cavities are respectively arranged in the heating cavities of the carbonization furnace. The furnace chamber of the organic biochemical sludge carbonization furnace and the furnace chamber of the oil-containing organic sludge carbonization furnace are independently arranged, so that carbonized waste residues of the organic biochemical sludge and the oil-containing organic sludge can be respectively treated, and the dangerous waste discharge amount is reduced. The high heat value carbonization gas generated by the oil-containing organic sludge during anaerobic carbonization is introduced into the heat generator through the induced draft fan, and circulated into the heating cavity of the carbonization furnace through the heat generator, so that the heat of the high heat value carbonization gas of the oil-containing organic sludge can heat the furnace cavity of the carbonization furnace for the organic biochemical sludge and the furnace cavity of the carbonization furnace for the oil-containing organic sludge simultaneously, thereby realizing the heat sharing of the high heat value of the oil-containing organic sludge and saving the energy required by carbonization. The furnace chamber of the organic biochemical sludge carbonization furnace and the furnace chamber of the oil-containing organic sludge carbonization furnace can rotate relative to the heating chamber of the carbonization furnace, so that the sludge can be uniformly heated.
Preferably, the furnace chamber of the organic biochemical sludge carbonization furnace and the furnace chamber main body of the oil-containing organic sludge carbonization furnace are in a horizontal swivel mode, and an air guide plate is arranged in the furnace chamber.
The arrangement of the guide plates in the horizontal rotary furnace body and the furnace chamber makes the heating more uniform and the sludge carbonization effect better. In the process that the furnace chamber of the organic biochemical sludge carbonization furnace and the sludge in the oil-containing organic sludge carbonization furnace continuously emit heat when the furnace body rotates, the sludge does not rotate forwards until reaching the discharge screw conveyor. The rotation speed of the furnace chamber of the organic biochemical sludge carbonization furnace and the furnace chamber of the oil-containing organic sludge carbonization furnace is determined according to the material property.
Preferably, the hot air generator comprises an igniter and a combustion chamber, wherein an air outlet end above the combustion chamber is connected with the heating cavity of the carbonization furnace through a flange, and an inlet end is connected with an external combustion heat source and an air outlet of an induced draft fan of the carbonization furnace. The combustion chamber is only used for burning external fuel in the carbonization opening stage, when the temperatures in the furnace chamber of the organic biochemical sludge carbonization furnace and the oil-containing organic sludge carbonization furnace reach the set temperature of 600-700 ℃, the heating in the combustion chamber can be stopped, and the hot gas generated in the oil-containing organic sludge carbonization furnace is used for cyclic heating.
Preferably, the feeding device comprises an organic biochemical sludge feeding spiral device and an oil-containing organic sludge feeding spiral device which are respectively and correspondingly connected with the organic biochemical sludge carbonization furnace chamber and the oil-containing organic sludge carbonization furnace chamber, and the discharging output device comprises two sets of independent spiral discharging devices which are respectively and correspondingly connected with the organic biochemical sludge carbonization furnace chamber and the oil-containing organic sludge carbonization furnace chamber.
Preferably, the organic biochemical sludge carbonization furnace chamber and the oil-containing organic sludge carbonization furnace chamber are further provided with driving devices respectively, the driving devices comprise driving motors and gears, the gears are fixed on the outer circumferences of the organic biochemical sludge carbonization furnace chamber and the oil-containing organic sludge carbonization furnace chamber, and the driving motors drive the gears so as to drive the organic biochemical sludge carbonization furnace chamber and the oil-containing organic sludge carbonization furnace chamber to rotate respectively.
Preferably, the tail gas treatment device comprises a water-cooling cyclone dust collector, a water-cooling heat exchanger and a smoke exhaust fan which are sequentially communicated, wherein an air inlet of the water-cooling cyclone dust collector is connected with an air outlet of an organic biochemical sludge carbonization furnace chamber and an air outlet of an oil-containing organic sludge carbonization furnace chamber through pipelines respectively, and an air outlet of the smoke exhaust fan is connected with an air inlet of the alkaline washing tower.
Preferably, the hot air generator uses diesel or natural gas as an initial heat source.
The beneficial effects of the utility model are as follows:
The utility model respectively conveys the organic biochemical sludge and the oily organic sludge into different disposed furnace chambers in the same carbonization furnace heating chamber, and a large amount of carbonization gas generated during carbonization is introduced into a combustion chamber through a draught fan and circularly enters the carbonization furnace heating chamber, so that heat emitted by the organic biochemical sludge and the oily organic sludge can be shared, the consumption of natural gas or diesel oil is reduced, the problem of high carbonization energy consumption is solved, and secondary pollution formed after the organic biochemical sludge and the oily organic sludge are respectively carbonized can be eliminated, the treatment of subsequent sludge is not influenced, and the mixing of dangerous waste and general solid waste is avoided. Simultaneously, biomass materials or organic solid wastes with different high and low heat values can be treated, and the heat value sharing is facilitated.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic structural view of an exhaust gas treatment device according to the present utility model.
Reference numerals illustrate:
1. A hot air generator; 2, a feeding device, 3, a heating cavity of the carbonization furnace, 4, a discharging device, 5, a tail gas treatment device, 51, a water-cooling cyclone dust removal device, 52, a water-cooling heat exchanger, 53 and a smoke exhaust fan.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved more apparent, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the embodiment of the utility model provides energy-saving sludge carbonization equipment, which comprises a hot air generator 1, a feeding device 2, a carbonization furnace heating cavity 3, a discharging device 4 and a tail gas treatment device 5, wherein an organic biochemical sludge carbonization furnace cavity and an oil-containing organic sludge carbonization furnace cavity which can rotate relative to the carbonization furnace heating cavity 3 are arranged in the carbonization furnace heating cavity 3, the organic biochemical sludge carbonization furnace cavity and the oil-containing organic sludge carbonization furnace cavity are independent and are respectively provided with the independent feeding device 2 and the discharging device 4, the carbonization furnace heating cavity 3 is connected with the hot air generator 1 and is used for heating the organic biochemical sludge carbonization furnace cavity and the oil-containing organic sludge carbonization furnace cavity, tail gas of the organic biochemical sludge carbonization furnace cavity and the oil-containing organic sludge carbonization furnace cavity is respectively discharged and then is gathered into the same tail gas treatment device 5 for treatment, and the organic biochemical sludge carbonization furnace cavity and/or the oil-containing organic sludge carbonization furnace cavity are also connected with an induced draft fan, and the induced draft fan is connected with the hot air generator 1 through a pipeline.
As shown in fig. 2, the tail gas treatment device 5 comprises a water-cooling cyclone dust collector 51, a water-cooling heat exchanger 52 and a smoke exhaust fan 53, wherein an air inlet of the water-cooling cyclone dust collector 51 is connected with an organic biochemical sludge carbonization furnace chamber and an air outlet of an oil-containing organic sludge carbonization furnace chamber through pipelines, and the tail gas treatment device 5 is sequentially arranged according to the water-cooling cyclone dust collector 51, the water-cooling heat exchanger 52 and the smoke exhaust fan 53, and the treated tail gas enters an alkaline washing tower for treatment.
The feeding device 2 comprises an organic biochemical sludge feeding spiral device and an oil-containing organic sludge feeding spiral device which are respectively and correspondingly connected with the furnace chamber of the organic biochemical sludge carbonization furnace and the furnace chamber of the oil-containing organic sludge carbonization furnace, and the discharging output device comprises two groups of water-cooling spiral devices which are respectively and correspondingly connected with the furnace chamber of the organic biochemical sludge carbonization furnace and the furnace chamber of the oil-containing organic sludge carbonization furnace. The discharging device 4 comprises two pairs of water-cooling spiral devices, the two pairs of water-cooling spiral devices are respectively and correspondingly connected with the discharging hole of the carbonization furnace, and materials discharged from the carbonization furnace are conveyed into corresponding discharging ton bags after passing through the water-cooling spiral devices.
The feeding device 2 is internally provided with a propelling device, the propelling device comprises a screw shaft, propelling blades and a propeller, the screw shaft is horizontally arranged in the propelling device, the screw shaft is connected with the propelling blades, and the end part of the screw shaft is connected with the propeller.
The hot air generator 1 comprises an igniter and a combustion chamber, wherein an air outlet end above the combustion chamber is connected with the heating cavity 3 of the carbonization furnace through a flange, and an inlet end is connected with an external combustion heat source and an air outlet of an induced draft fan of the carbonization furnace.
The hot air generator 1 takes diesel oil or natural gas as an initial heat source for preheating a carbonization furnace, and the carbonization gas recovered in the carbonization process is taken as a recovery heat source for recycling, so that the high temperature in the furnace is maintained, and the rotatable furnace chamber is heated.
The device is characterized in that the organic biochemical sludge carbonization furnace chamber and the oil-containing organic sludge carbonization furnace chamber are also respectively provided with a driving device, the driving device comprises a driving motor and a gear, the gear is fixed on the outer circumferences of the organic biochemical sludge carbonization furnace chamber and the oil-containing organic sludge carbonization furnace chamber, and the driving motor drives the gear so as to drive the organic biochemical sludge carbonization furnace chamber and the oil-containing organic sludge carbonization furnace chamber to rotate respectively.
In the utility model, the furnace chamber of the organic biochemical sludge carbonization furnace and the main body of the oil-containing organic sludge carbonization furnace are in the form of horizontal rotating bodies, and the organic biochemical sludge and the oil-containing organic sludge are respectively conveyed into the furnace chamber of the organic biochemical sludge carbonization furnace and the furnace chamber of the oil-containing organic sludge carbonization furnace by adopting an indirect heat supply mode to be subjected to rotary heating. The two materials in the furnace chamber are heated and decomposed in an anaerobic state to generate a large amount of dry distillation gas. The dry distillation gas is introduced into a combustion chamber in the hot air generator 1 through a draught fan for secondary combustion, and the generated heat can continue to supply heat for the carbonization furnace.
According to the utility model, a large amount of dry distillation gas is generated by respectively heating and decomposing the organic biochemical sludge and the oily organic sludge in the furnace chamber, and the organic biochemical sludge and the oily organic sludge enter the heating chamber 3 of the carbonization furnace after secondary circulation, so that the energy sharing of the oily organic sludge with high heat value is realized, and the problem of high carbonization energy consumption is well solved. In addition, the secondary pollution caused by mixing the organic biochemical sludge and the oily organic sludge can be eliminated by separately carbonizing the organic biochemical sludge and the oily organic sludge, and the subsequent sludge treatment is not influenced.
While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the present utility model.
Claims (7)
1. The energy-saving sludge carbonization equipment comprises a hot air generator (1), a feeding device (2), a carbonization furnace heating cavity (3), a discharging device (4) and a tail gas treatment device (5), and is characterized in that an organic biochemical sludge carbonization furnace cavity and an oily organic sludge carbonization furnace cavity which can rotate relative to the carbonization furnace heating cavity are arranged in the carbonization furnace heating cavity (3), and the organic biochemical sludge carbonization furnace cavity and the oily organic sludge carbonization furnace cavity are independent and are respectively provided with the independent feeding device (2) and the discharging device (4);
The carbonization furnace heating cavity (3) is connected with a hot air generator (1) and is used for heating the furnace chamber of the organic biochemical sludge carbonization furnace and the furnace chamber of the oil-containing organic sludge carbonization furnace;
Tail gas of the furnace chamber of the organic biochemical sludge carbonization furnace and tail gas of the furnace chamber of the oil-containing organic sludge carbonization furnace are respectively discharged and then are converged into the same tail gas treatment device (5) for treatment;
The furnace chamber of the organic biochemical sludge carbonization furnace and/or the furnace chamber of the oil-containing organic sludge carbonization furnace is also connected with an induced draft fan, and the induced draft fan is connected with a hot air generator (1) through a pipeline.
2. The energy-saving sludge carbonization device as claimed in claim 1, wherein the furnace chamber of the organic biochemical sludge carbonization furnace and the furnace chamber main body of the oil-containing organic sludge carbonization furnace are in a horizontal swivel form, and air guide plates are arranged in the furnace chamber of the organic biochemical sludge carbonization furnace and the furnace chamber of the oil-containing organic sludge carbonization furnace.
3. The energy-saving sludge carbonization device as claimed in claim 1, wherein the hot air generator (1) comprises an igniter and a combustion chamber, an air outlet end above the combustion chamber is connected with the heating cavity (3) of the carbonization furnace through a flange, and an inlet end is connected with an external combustion heat source and an air outlet of an induced draft fan of the carbonization furnace.
4. The energy-saving sludge carbonization device as claimed in claim 1, wherein the feeding device (2) comprises an organic biochemical sludge feeding spiral device and an oil-containing organic sludge feeding spiral device which are respectively and correspondingly connected with the furnace chamber of the organic biochemical sludge carbonization furnace and the furnace chamber of the oil-containing organic sludge carbonization furnace, and the discharging device comprises two sets of independent spiral discharging devices which are respectively and correspondingly connected with the furnace chamber of the organic biochemical sludge carbonization furnace and the furnace chamber of the oil-containing organic sludge carbonization furnace.
5. The energy-saving sludge carbonization device as claimed in claim 2, wherein the organic biochemical sludge carbonization furnace chamber and the oil-containing organic sludge carbonization furnace chamber are further provided with driving devices respectively, the driving devices comprise driving motors and gears, the gears are fixed on the outer circumferences of the organic biochemical sludge carbonization furnace chamber and the oil-containing organic sludge carbonization furnace chamber, and the driving motors drive the gears so as to drive the organic biochemical sludge carbonization furnace chamber and the oil-containing organic sludge carbonization furnace chamber to rotate respectively.
6. The energy-saving sludge carbonization device as claimed in claim 1, wherein the tail gas treatment device (5) comprises a water-cooling cyclone dust collector (51), a water-cooling heat exchanger (52) and a smoke exhaust fan (53) which are sequentially communicated, an air inlet of the water-cooling cyclone dust collector (51) is respectively connected with an organic biochemical sludge carbonization furnace chamber and an air outlet of an oil-containing organic sludge carbonization furnace chamber through pipelines, and an air outlet of the smoke exhaust fan (53) is connected with an air inlet of the alkaline washing tower.
7. An energy saving sludge carbonizing apparatus as claimed in claim 3, wherein the hot air generator (1) adopts diesel oil or natural gas as an initial heat source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323248024.2U CN222540639U (en) | 2023-11-30 | 2023-11-30 | Energy-saving sludge carbonization equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323248024.2U CN222540639U (en) | 2023-11-30 | 2023-11-30 | Energy-saving sludge carbonization equipment |
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| Publication Number | Publication Date |
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| CN222540639U true CN222540639U (en) | 2025-02-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323248024.2U Active CN222540639U (en) | 2023-11-30 | 2023-11-30 | Energy-saving sludge carbonization equipment |
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| Country | Link |
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| CN (1) | CN222540639U (en) |
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2023
- 2023-11-30 CN CN202323248024.2U patent/CN222540639U/en active Active
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