CN106007338A - Belt-type sludge drying device - Google Patents
Belt-type sludge drying device Download PDFInfo
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- CN106007338A CN106007338A CN201610657027.7A CN201610657027A CN106007338A CN 106007338 A CN106007338 A CN 106007338A CN 201610657027 A CN201610657027 A CN 201610657027A CN 106007338 A CN106007338 A CN 106007338A
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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
- C02F11/16—Treatment of sludge; Devices therefor by de-watering, drying or thickening using drying or composting beds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/22—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration comprising a series of co-operating units
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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
- C02F11/18—Treatment of sludge; Devices therefor by thermal conditioning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/02—Articles
- B65G2201/0214—Articles of special size, shape or weigh
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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Abstract
本发明提供了一种带式污泥干化系统，包括挤条机、螺旋布料器、输送机、干化仓和干化机；所述挤条机的输入端用于通入污泥，所述挤条机的输出端与螺旋布料器的输入端连接，所述输送机包括上层输送单元和下层输送单元，所述上层输送单元包括第一驱动电机、第一主动链轮、第一从动链轮和第一传送带，这种带式污泥干化系统的输送机由上层输送单元和下层输送单元组成，脱水污泥在干化仓内，干化气体将干化仓内温度提升至设定值，面条形的污泥从上层输送单元流传至下层输送单元，热空气热空气将污泥中的水分带走，达到充分干燥的目的。这种带式污泥干化系统能够充分带走污泥中的水分，干化程度高。
The invention provides a belt-type sludge drying system, which includes an extruder, a screw distributor, a conveyor, a drying bin and a drying machine; the input end of the extruder is used for feeding sludge, and the The output end of the extruder is connected to the input end of the screw distributor, and the conveyor includes an upper conveying unit and a lower conveying unit, and the upper conveying unit includes a first driving motor, a first driving sprocket, a first driven sprocket and the first conveyor belt, the conveyor of this belt sludge drying system is composed of an upper conveying unit and a lower conveying unit, the dewatered sludge is in the drying chamber, and the drying gas raises the temperature in the drying chamber to Constant value, the noodle-shaped sludge flows from the upper conveying unit to the lower conveying unit, and the hot air takes away the moisture in the sludge to achieve the purpose of sufficient drying. This belt sludge drying system can fully take away the moisture in the sludge and has a high degree of drying.
Description
技术领域 technical field
本发明涉及污泥处理技术领域，尤其涉及一种带式污泥干化系统。 The invention relates to the technical field of sludge treatment, in particular to a belt sludge drying system.
背景技术 Background technique
随着污水处理规模的扩大及标准的提高，污泥产生量不断增加，加之过往积累下来的污泥，中国污泥处理处置成为污水处理领域一个重大问题。 With the expansion of sewage treatment scale and the improvement of standards, the amount of sludge generated continues to increase. In addition to the sludge accumulated in the past, China's sludge treatment and disposal has become a major issue in the field of sewage treatment.
从污水处理厂产生的污泥含水率很高，一般>80％，首先要将污泥干化才便于进一步处置。目前，污泥干化主要技术路线有热干化、机械干化、风干、太阳能干化等。机械干化往往只能将污泥干化到含水率65％左右，而风干的效率较低。单纯应用一种技术手段其效果不能令人满意。 The moisture content of the sludge generated from the sewage treatment plant is very high, generally >80%. The sludge must be dried first to facilitate further disposal. At present, the main technical routes of sludge drying include thermal drying, mechanical drying, air drying, and solar drying. Mechanical drying can often only dry sludge to a moisture content of about 65%, while air drying is less efficient. The effect of simply applying a technical means is not satisfactory.
发明内容 Contents of the invention
本发明要解决的技术问题是：为了解决现有技术中污泥干化系统存在的上述问题，本发明提供了一种带式污泥干化系统来解决上述问题。 The technical problem to be solved by the present invention is: in order to solve the above-mentioned problems existing in the sludge drying system in the prior art, the present invention provides a belt-type sludge drying system to solve the above-mentioned problems.
本发明解决其技术问题所采用的技术方案是：一种带式污泥干化系统，包括挤条机、螺旋布料器、输送机、干化仓和干化机；所述挤条机的输入端用于通入污泥，所述挤条机的输出端与螺旋布料器的输入端连接，所述输送机包括上层输送单元和下层输送单元，所述上层输送单元包括第一驱动电机、第一主动链轮、第一从动链轮和第一传送带，所述第一主动链轮与第一驱动电机同轴固定并且通过第一传送带与所述第一从动链轮传动连接，所述螺旋布料器的输出端位于所述第一传送带的上方，所述下层输送单元包括第二驱动电机、第二主动链轮、第二从动链轮和第二传送带，所述第二主动链轮与第二驱动电机同轴固定并且通过第二传送带与所述第二从动链轮传动连接，所述第一传送带的在传送方向上的末端位于所述第二传送带的上方，所述第一传送带和第二传送带部分或全部设置在所述干化仓中，所述干化仓开设有至少一个进风口，所述进风口与所述干化机的出风口连接。 The technical solution adopted by the present invention to solve the technical problem is: a belt sludge drying system, including extruder, screw distributor, conveyor, drying bin and drying machine; the input of the extruder The end is used to pass into the sludge, the output end of the extruder is connected to the input end of the screw distributor, the conveyor includes an upper conveying unit and a lower conveying unit, and the upper conveying unit includes a first driving motor, a second A driving sprocket, a first driven sprocket and a first transmission belt, the first driving sprocket is coaxially fixed with the first drive motor and connected to the first driven sprocket through the first transmission belt, the The output end of the screw distributor is located above the first conveyor belt, and the lower conveying unit includes a second driving motor, a second driving sprocket, a second driven sprocket and a second conveyor belt, and the second driving sprocket It is coaxially fixed with the second drive motor and connected to the second driven sprocket through the second conveyor belt. The end of the first conveyor belt in the conveying direction is located above the second conveyor belt. The conveyor belt and the second conveyor belt are partly or completely arranged in the drying chamber, and the drying chamber is provided with at least one air inlet, and the air inlet is connected with the air outlet of the drying machine.
作为优选，所述进风口设置在所述干化仓的底部。 Preferably, the air inlet is arranged at the bottom of the drying chamber.
作为优选，所述干化仓中还设置有气体循环风机。 Preferably, a gas circulation fan is also provided in the drying bin.
作为优选，所述干化仓上还开设有出风口，所述出风口上设置有气体回用风机，所述出风口连接有余热回收装置。 Preferably, an air outlet is provided on the drying bin, a gas recycling fan is arranged on the air outlet, and a waste heat recovery device is connected to the air outlet.
作为优选，所述余热回收装置还连接有尾气洗涤装置，所述尾气洗涤装置上设置有气体排放风机。 Preferably, the waste heat recovery device is also connected with an exhaust gas scrubbing device, and a gas discharge fan is arranged on the exhaust gas scrubbing device.
本发明的有益效果是，这种带式污泥干化系统的输送机由上层输送单元和下层输送单元组成，脱水污泥在干化仓内，干化气体将干化仓内温度提升至设定值，面条形的污泥从上层输送单元流传至下层输送单元，热空气热空气将污泥中的水分带走，达到充分干燥的目的。这种带式污泥干化系统能够充分带走污泥中的水分，干化程度高，针对废热气热风循环加热，提高效能；特别适用于终水分较低的污泥干化。 The beneficial effect of the present invention is that the conveyor of this belt sludge drying system is composed of an upper conveying unit and a lower conveying unit, the dewatered sludge is in the drying bin, and the drying gas raises the temperature in the drying bin to the set level. Constant value, the noodle-shaped sludge flows from the upper conveying unit to the lower conveying unit, and the hot air takes away the moisture in the sludge to achieve the purpose of sufficient drying. This belt sludge drying system can fully take away the moisture in the sludge, and has a high degree of drying. It can be used for waste hot air and hot air circulation heating to improve efficiency; it is especially suitable for sludge drying with low final moisture.
附图说明 Description of drawings
下面结合附图和实施例对本发明进一步说明。 The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
图1是本发明的带式污泥干化系统的最优实施例的结构示意图。 Fig. 1 is a structural schematic diagram of an optimal embodiment of the belt sludge drying system of the present invention.
图中1、挤条机，2、螺旋布料器，3、输送机，4、干化仓，5、干化机，6、气体循环风机，7、余热回收装置，8、尾气洗涤装置。 In the figure, 1. Extruder, 2. Screw distributor, 3. Conveyor, 4. Drying bin, 5. Drying machine, 6. Gas circulation fan, 7. Waste heat recovery device, 8. Tail gas washing device.
具体实施方式 detailed description
下面详细描述本发明的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，仅用于解释本发明，而不能理解为对本发明的限制。相反，本发明的实施例包括落入所附加权利要求书的精神和内涵范围内的所有变化、修改和等同物。 Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention. On the contrary, the embodiments of the present invention include all changes, modifications and equivalents coming within the spirit and scope of the appended claims.
在本发明的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”、“轴向”、“径向”、“周向”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。 In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Axial", "Radial", "Circumferential", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a specific orientation. construction and operation, therefore, should not be construed as limiting the invention.
此外，术语“第一”、“第二”等仅用于描述目的，而不能理解为指示或暗示相对重要性。在本发明的描述中，需要说明的是，除非另有明确的规定和限定，术语“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本发明中的具体含义。此外，在本发明的描述中，除非另有说明，“多个”的含义是两个或两个以上。 In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral Ground connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations. In addition, in the description of the present invention, unless otherwise specified, "plurality" means two or more.
如图1所示，本发明提供了一种带式污泥干化系统，包括挤条机1、螺旋布料器2、输送机3、干化仓4和干化机5；挤条机1的输入端用于通入污泥，挤条机1的输出端与螺旋布料器2的输入端连接，污泥被挤条机1制作成苗条形状的污泥，然后投入螺旋布料器2中，输送机3包括上层输送单元和下层输送单元，上层输送单元包括第一驱动电机、第一主动链轮、第一从动链轮和第一传送带，第一主动链轮与第一驱动电机同轴固定并且通过第一传送带与第一从动链轮传动连接，螺旋布料器2的输出端位于第一传送带的上方，污泥被螺旋布料器2均匀铺设在第一传送带上，第一驱动电机运转并驱动第一主动链轮转动，第一传动带在第一主动链轮和第一从动链轮的带动下平移；下层输送单元包括第二驱动电机、第二主动链轮、第二从动链轮和第二传送带，第二主动链轮与第二驱动电机同轴固定并且通过第二传送带与第二从动链轮传动连接，第一传送带的在传送方向上的末端位于第二传送带的上方，污泥从第一传送带的尾端传递至第二传送带的前端，污泥从第一传动带落到第二传动带上，继续干化；第一传送带的前端和第二传送带的尾端都设置在干化仓4的外部，其余部分设置在干化仓4中，干化仓4开设有至少一个进风口，进风口与干化机5的出风口连接，进风口设置在干化仓4的底部并分布在第一传动带和第二传动带的下方，热风从干化仓4的底部进入，然后向上穿过第一传动带和第二传动带，带走污泥中的水分，干化仓4中还设置有气体循环风机6，气体循环风机6使热风在干化仓4中循环，提高热风的利用率和干化效率；干化仓4上还开设有出风口，出风口上设置有气体回用风机，出风口连接有余热回收装置7，余热回收装置7还连接有尾气洗涤装置8，尾气洗涤装置8上设置有气体排放风机，热风与污泥相互作用后温度降低，余热回收装置7对尾气中的余热进行回收再利用，提高能源的利用率，尾气再经过尾气洗涤装置8的处理，将清洁的尾气排放到大气中，做到环保生产。 As shown in Figure 1, the present invention provides a kind of belt type sludge drying system, comprises extruder 1, screw distributor 2, conveyer 3, drying bin 4 and drying machine 5; The input end is used to feed the sludge, and the output end of the extruder 1 is connected to the input end of the screw distributor 2. The sludge is made into a slim shape by the extruder 1, and then put into the screw distributor 2 for conveying The machine 3 includes an upper conveying unit and a lower conveying unit, the upper conveying unit includes a first driving motor, a first driving sprocket, a first driven sprocket and a first conveyor belt, and the first driving sprocket is coaxially fixed with the first driving motor And through the transmission connection between the first conveyor belt and the first driven sprocket, the output end of the screw distributor 2 is located above the first conveyor belt, and the sludge is evenly laid on the first conveyor belt by the screw distributor 2, and the first drive motor runs and Drive the first driving sprocket to rotate, and the first transmission belt translates under the drive of the first driving sprocket and the first driven sprocket; the lower conveying unit includes the second driving motor, the second driving sprocket, and the second driven sprocket And the second conveyor belt, the second driving sprocket is coaxially fixed with the second driving motor and is connected with the second driven sprocket drive by the second conveyor belt, the end of the first conveyor belt in the transmission direction is located above the second conveyor belt, The sludge is transferred from the tail end of the first conveyor belt to the front end of the second conveyor belt, and the sludge falls from the first conveyor belt to the second conveyor belt and continues to dry; both the front end of the first conveyor belt and the tail end of the second conveyor belt are set in a dry The outside of the drying bin 4, and the rest are arranged in the drying bin 4, the drying bin 4 is provided with at least one air inlet, the air inlet is connected with the air outlet of the drying machine 5, the air inlet is arranged at the bottom of the drying bin 4 and Distributed under the first transmission belt and the second transmission belt, the hot air enters from the bottom of the drying bin 4, and then passes upward through the first transmission belt and the second transmission belt to take away the moisture in the sludge. The drying bin 4 is also equipped with The gas circulation fan 6, the gas circulation fan 6 circulates the hot air in the drying chamber 4, improving the utilization rate of the hot air and the drying efficiency; the drying chamber 4 is also provided with an air outlet, and the air outlet is provided with a gas recycling fan, The air outlet is connected with a waste heat recovery device 7, and the waste heat recovery device 7 is also connected with a tail gas washing device 8. A gas discharge fan is installed on the tail gas washing device 8. After the interaction between the hot air and the sludge, the temperature decreases. The waste heat is recovered and reused to improve the utilization rate of energy, and the tail gas is then processed by the tail gas scrubber 8 to discharge the clean tail gas into the atmosphere to achieve environmentally friendly production.
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例或示例中。在本说明书中，对所述术语的示意性表述不一定指的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。 In the description of this specification, descriptions referring to the terms "one embodiment", "some embodiments", "example", "specific examples", or "some examples" mean that specific features described in connection with the embodiment or example , structure, material or characteristic is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
以上述依据本发明的理想实施例为启示，通过上述的说明内容，相关工作人员完全可以在不偏离本项发明技术思想的范围内，进行多样的变更以及修改。本项发明的技术性范围并不局限于说明书上的内容，必须要根据权利要求范围来确定其技术性范围。 Inspired by the above-mentioned ideal embodiment according to the present invention, through the above-mentioned description content, relevant workers can make various changes and modifications within the scope of not departing from the technical idea of the present invention. The technical scope of the present invention is not limited to the content in the specification, but must be determined according to the scope of the claims.
Claims (5)
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