CN204281343U - Light ash products cooling system - Google Patents
Light ash products cooling system Download PDFInfo
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- CN204281343U CN204281343U CN201420777282.1U CN201420777282U CN204281343U CN 204281343 U CN204281343 U CN 204281343U CN 201420777282 U CN201420777282 U CN 201420777282U CN 204281343 U CN204281343 U CN 204281343U
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- cooling
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- water
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- light ash
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- 238000001816 cooling Methods 0.000 title claims abstract description 91
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 title claims abstract description 69
- 239000008234 soft water Substances 0.000 claims abstract description 77
- 239000000843 powder Substances 0.000 claims abstract description 49
- 239000003513 alkali Substances 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 230000007613 environmental effect Effects 0.000 claims abstract description 8
- 239000000498 cooling water Substances 0.000 claims description 24
- 239000000428 dust Substances 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 3
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims 4
- 230000001276 controlling effect Effects 0.000 claims 3
- 238000013022 venting Methods 0.000 claims 2
- 238000001354 calcination Methods 0.000 claims 1
- 230000004907 flux Effects 0.000 claims 1
- 238000007599 discharging Methods 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 8
- 239000012530 fluid Substances 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 230000032258 transport Effects 0.000 abstract description 3
- 238000005538 encapsulation Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 9
- 239000003245 coal Substances 0.000 description 7
- 230000006872 improvement Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 206010039509 Scab Diseases 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002802 bituminous coal Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000037390 scarring Effects 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
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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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
本实用新型公开了一种轻灰产品冷却系统，包括粉体流凉碱机、换热器、软水桶、软水泵、送料装置、出料装置和控制系统，其中：送料装置将经过煅烧炉煅烧的轻灰产品送入粉体流凉碱机的料仓内，出料装置将经过冷却的轻灰产品从粉体流凉碱机出料口输送至包转工位，软水桶中装有软水，软水桶中软水经软水泵排至换热器内，换热器的出水口与粉体流凉碱机的冷却软水进水口连通，粉体流凉碱机的冷却软水出水口与软水桶的进口连通，控制系统控制粉体流凉碱机、换热器、软水泵、送料装置和出料装置运行。本实用新型结构简单，占地面积小，不易损坏，维修成本低，冷却效果好，节能环保。
The utility model discloses a cooling system for light ash products, which comprises a powder fluid alkali cooling machine, a heat exchanger, a soft water bucket, a soft water pump, a feeding device, a discharging device and a control system, wherein the feeding device will be calcined by a calciner The light ash product is sent into the silo of the powder flow soda cooler, and the discharge device transports the cooled light ash product from the outlet of the powder flow soda cooler to the encapsulation station, and the soft water bucket is filled with soft water , the soft water in the soft water bucket is discharged into the heat exchanger through the soft water pump, the water outlet of the heat exchanger is connected with the cooling soft water inlet of the powder flow alkali cooler, and the cooling soft water outlet of the powder flow alkali cooler is connected with the soft water bucket The inlet is connected, and the control system controls the operation of the powder flow soda cooler, heat exchanger, soft water pump, feeding device and discharging device. The utility model has the advantages of simple structure, small occupied area, uneasy damage, low maintenance cost, good cooling effect, energy saving and environmental protection.
Description
技术领域technical field
本实用新型涉及一种轻灰产品冷却设备，特别涉及一种轻灰产品冷却系统。The utility model relates to a light ash product cooling device, in particular to a light ash product cooling system.
背景技术Background technique
轻灰亦称轻质纯碱，分子式Na2CO3，目前，传统轻灰产品冷却方法主要采用浆叶式凉碱机，浆叶式凉碱机靠充满冷却水的旋转叶片与物料进行间壁式换热，但物料停留时间段，接触面积小，传热温差低，且叶片的结构不稳定，易磨损泄漏，传动装置极易损坏，维修困难，且耗电量巨大。目前还有采用沸腾炉和回转炉进行轻灰冷却的，沸腾炉需要采用经过加压、除湿的大量干燥空气作为沸腾介质，配套的设备多，工艺复杂，并且工艺流程较长，电耗高，尾气含粉尘多，需要二次净化处理；回转炉采用物料在圆筒内回转与筒内壁或中心水管接触冷却，该种设备体积庞大，成本高，占地多，故结构较复杂，维修也较困难，耗电量大。Light ash is also called light soda ash, and its molecular formula is Na 2 CO 3 . At present, the traditional cooling method for light ash products mainly adopts the paddle-type soda cooler, and the paddle-type soda cooler relies on the rotating blades filled with cooling water and the material to perform partition-type exchange. Heat, but the material stays for a period of time, the contact area is small, the heat transfer temperature difference is low, and the structure of the blade is unstable, easy to wear and leak, the transmission device is easily damaged, maintenance is difficult, and the power consumption is huge. At present, fluidized fluidized furnace and rotary furnace are used for light ash cooling. The fluidized fluidized furnace needs to use a large amount of pressurized and dehumidified dry air as the boiling medium. There are many supporting equipment, the process is complicated, and the process is long. There is a lot of dust, which requires secondary purification treatment; the rotary furnace uses materials to rotate in the cylinder and contact the inner wall of the cylinder or the central water pipe for cooling. This kind of equipment is bulky, high in cost, and occupies a large area, so the structure is complicated and maintenance is also difficult. High power consumption.
实用新型内容Utility model content
为了克服上述缺陷，本实用新型提供了一种轻灰产品冷却系统，该轻灰产品冷却系统结构简单，占地面积小，不易损坏，维修成本低，轻灰冷却效果好，节能环保。In order to overcome the above defects, the utility model provides a cooling system for light ash products. The cooling system for light ash products has a simple structure, a small footprint, is not easy to be damaged, has low maintenance costs, has a good cooling effect for light ash, and is energy-saving and environmentally friendly.
本实用新型为了解决其技术问题所采用的技术方案是：一种轻灰产品冷却系统，包括粉体流凉碱机、换热器、软水桶、软水泵、送料装置、出料装置和控制系统，其中：送料装置将经过煅烧炉煅烧的轻灰产品送入粉体流凉碱机的料仓内，出料装置将经过冷却的轻灰产品从粉体流凉碱机出料口输送至包转工位，软水桶中装有软水，软水桶中软水经软水泵排至换热器内，换热器的出水口与粉体流凉碱机的冷却软水进水口连通，粉体流凉碱机的冷却软水出水口与软水桶的进口连通，控制系统控制粉体流凉碱机、换热器、软水泵、送料装置和出料装置运行。The technical solution adopted by the utility model to solve the technical problems is: a cooling system for light ash products, including a powder flow alkali cooling machine, a heat exchanger, a soft water bucket, a soft water pump, a feeding device, a discharging device and a control system , wherein: the feeding device sends the light ash product calcined by the calciner into the silo of the powder fluid soda cooling machine, and the discharging device transports the cooled light ash product from the outlet of the powder fluid soda cooling machine to the bag In the transfer station, there is soft water in the soft water bucket, and the soft water in the soft water bucket is discharged into the heat exchanger through the soft water pump. The water outlet of the heat exchanger is connected with the cooling soft water inlet of the powder flow alkali cooler, and the powder flow alkali The cooling soft water outlet of the machine is connected with the inlet of the soft water bucket, and the control system controls the operation of the powder flow alkali cooling machine, heat exchanger, soft water pump, feeding device and discharging device.
作为本实用新型的进一步改进，所述送料装置和出料装置均为输送带设备。As a further improvement of the utility model, the feeding device and the discharging device are conveyor belt equipment.
作为本实用新型的进一步改进，所述换热器为板式高效换热器，换热器内通有循环冷却水，循环冷却水的供水管路上设有流量调节阀。As a further improvement of the utility model, the heat exchanger is a plate-type high-efficiency heat exchanger, circulating cooling water is passed through the heat exchanger, and a flow regulating valve is provided on the water supply pipeline of the circulating cooling water.
作为本实用新型的进一步改进，还设有压缩干空气供气装置和尾气处理装置，粉体流凉碱机上设有至少一排沿其高度方向排列的进气口，该进气口与压缩干空气供气装置连通，粉体流凉碱机的排气口与尾气处理装置连通，排气处理装置能使粉体流凉碱机排出的夹带粉尘的气体进行环保处理，控制系统控制压缩干空气供气装置的通气量。As a further improvement of the utility model, a compressed dry air supply device and a tail gas treatment device are also provided, and at least one row of air inlets arranged along its height direction are arranged on the powder fluid soda cooling machine, and the air inlets are connected with the compressed dry air The air supply device is connected, and the exhaust port of the powder flow alkali cooling machine is connected with the tail gas treatment device. The exhaust treatment device can make the gas entrained with dust discharged from the powder flow alkali cooling machine carry out environmental protection treatment, and the control system controls the compressed dry air. The ventilation volume of the air supply device.
作为本实用新型的进一步改进，所述粉体流凉碱机包括外壳、传热板片、料仓、出料口、软水冷却水进水口、软水冷却水出水口、进料口和排气口，所述若干传热板片沿竖直方向放置于外壳内，各传热板片均匀间隔平行排列，各传热板片内形成供冷却软水流通的通道，且各传热板片的通道两端分别与软水冷却水进水口和软水冷却水出水口连通，所述软水冷却水进水口的位置低于软水冷却水出水口的位置，料仓位于各传热板片上端，料仓下端与进料口连通，出料口位于各传热板片下端，出料口内设有星型卸料器。As a further improvement of the utility model, the powder flow alkali cooling machine includes a shell, a heat transfer plate, a silo, a discharge port, a soft water cooling water inlet, a soft water cooling water outlet, a feeding port and an exhaust port , the plurality of heat transfer plates are placed in the shell along the vertical direction, and the heat transfer plates are evenly spaced and arranged in parallel, each heat transfer plate forms a channel for the circulation of cooling soft water, and the channels of each heat transfer plate are two The ends are respectively connected with the soft water cooling water inlet and the soft water cooling water outlet. The feed port is connected, the discharge port is located at the lower end of each heat transfer plate, and a star unloader is arranged in the discharge port.
作为本实用新型的进一步改进，所述粉体流凉碱机的料仓内设有雷达导波料位计，出料口上设有旋转阀，雷达导波料位计与旋转阀的变频电机联锁。As a further improvement of the present utility model, a radar guided wave material level gauge is provided in the silo of the powder flow soda cooling machine, and a rotary valve is provided on the discharge port, and the radar guided wave material level gauge is connected with the frequency conversion motor of the rotary valve. Lock.
作为本实用新型的进一步改进，所述软水泵出口设有用于调节软水流量的流量阀。As a further improvement of the utility model, the outlet of the soft water pump is provided with a flow valve for adjusting the flow of soft water.
本实用新型的有益效果是：本实用新型采用粉体流凉碱机作为主要轻灰冷却设备，其体积小，占地面积小，结构简单，不易损坏，便于维修，维修成本低，粉体流凉碱机内通40℃的软水进行轻灰冷却，避免了板片结疤，确保了粉体流凉碱机板片内通道畅通，轻灰产品在粉体流凉碱机内靠自重下落与板片接触冷却，能耗小，用于冷却轻灰的软水通过软水桶、软水泵和换热器实现循环利用，省水又环保，粉体流凉碱机排出的尾气通过炉气洗涤塔进行尾气处理，避免了粉尘外排，符合环保要求。The beneficial effects of the utility model are: the utility model adopts the powder flow alkali cooling machine as the main light ash cooling equipment, which has a small volume, a small footprint, a simple structure, is not easy to be damaged, is easy to maintain, and has low maintenance cost. Soft water at 40°C is passed through the soda cooling machine for light ash cooling, which avoids scabbing of the plates and ensures smooth passage of the plates in the powder flow soda cooling machine. Plate contact cooling, low energy consumption, the soft water used to cool light ash is recycled through soft water buckets, soft water pumps and heat exchangers, saving water and environmental protection, and the tail gas discharged from the powder flow alkali cooling machine is discharged through the furnace gas scrubber Exhaust gas treatment avoids the discharge of dust and meets environmental protection requirements.
附图说明Description of drawings
图1为本实用新型的系统原理图。Fig. 1 is the system schematic diagram of the utility model.
具体实施方式Detailed ways
实施例：一种轻灰产品冷却系统，包括粉体流凉碱机1、换热器2、软水桶3、软水泵4、送料装置5、出料装置6和控制系统，其中：送料装置5将经过煅烧炉9煅烧的轻灰产品送入粉体流凉碱机1的料仓内，出料装置6将经过冷却的轻灰产品从粉体流凉碱机1出料口输送至包转工位，软水桶3中装有软水，软水桶3中软水经软水泵4排至换热器2内，换热器2的出水口与粉体流凉碱机1的冷却软水进水口连通，粉体流凉碱机1的冷却软水出水口与软水桶3的进口连通，控制系统控制粉体流凉碱机1、换热器2、软水泵4、送料装置5和出料装置6运行。Embodiment: a cooling system for light ash products, including a powder flow soda cooling machine 1, a heat exchanger 2, a soft water bucket 3, a soft water pump 4, a feeding device 5, a discharging device 6 and a control system, wherein: the feeding device 5 Send the light ash product calcined by the calciner 9 into the silo of the powder fluid soda cooling machine 1, and the discharge device 6 transports the cooled light ash product from the outlet of the powder fluid soda cooling machine 1 to the package Station, soft water is housed in the soft water bucket 3, and the soft water in the soft water bucket 3 is discharged into the heat exchanger 2 through the soft water pump 4, and the water outlet of the heat exchanger 2 is connected with the cooling soft water inlet of the powder cooling alkali machine 1, The cooling soft water outlet of the powder flow soda cooling machine 1 is connected with the inlet of the soft water bucket 3, and the control system controls the powder flow soda cooling machine 1, heat exchanger 2, soft water pump 4, feeding device 5 and discharging device 6 to operate.
该系统的粉体流凉碱机1内板片中的冷却载体为软水，软水无钙、镁离子，长时间使用也能够保持冷却通道畅通，轻灰在板板间的通道籍重力作用自上而下流动，由此，软水与轻灰进行热交换，实现轻灰的降温，经过热交换的软水流入软水桶3内进行储存；软水桶3内高温软水在换热器2内与外界循环水进行热交换，将高温软水降温后再进入粉体流凉碱机1内实现循环利用，该系统利用软水作为冷却载体，保证了粉体流凉碱机1具有有高效、稳定的传热效率，能够充分冷却轻灰，冷却效果好，该系统设备结构简单、体积小，占地面积小、长期使用不易损坏、维修成本低、节能省电，循环利用的冷却系统省水环保。The cooling carrier in the inner plate of the powder flow alkali cooling machine 1 of this system is soft water, which has no calcium and magnesium ions, and the cooling channel can be kept unimpeded even after long-term use. And flow down, thus, soft water and light ash carry out heat exchange, realize the cooling of light ash, the soft water through heat exchange flows in the soft water barrel 3 and store; Perform heat exchange, cool down the high-temperature soft water and then enter the powder flow soda cooling machine 1 to realize recycling. This system uses soft water as the cooling carrier to ensure that the powder flow soda cooling machine 1 has efficient and stable heat transfer efficiency. It can fully cool light ash and has good cooling effect. The system equipment has simple structure, small size, small footprint, long-term use is not easy to damage, low maintenance cost, energy saving and power saving, and the recycling cooling system saves water and environmental protection.
所述送料装置5和出料装置6均为输送带设备。Both the feeding device 5 and the discharging device 6 are conveyor belt equipment.
所述换热器2为板式高效换热器2，换热器2内通有循环冷却水，循环冷却水的供水管路上设有流量调节阀，通过调节循环冷却水的流量，调控软水出换热器2的温度，以防板片结疤。The heat exchanger 2 is a plate-type high-efficiency heat exchanger 2. There is circulating cooling water in the heat exchanger 2. A flow regulating valve is provided on the water supply pipeline of the circulating cooling water. By adjusting the flow rate of the circulating cooling water, the exchange of soft water is controlled The temperature of the heater 2 is used to prevent scabbing of the plates.
还设有压缩干空气供气装置7和尾气处理装置8，粉体流凉碱机1上设有至少一排沿其高度方向排列的进气口，该进气口与压缩干空气供气装置7连通，粉体流凉碱机1的排气口与尾气处理装置8连通，排气处理装置能使粉体流凉碱机1排出的夹带粉尘的气体进行环保处理，控制系统控制压缩干空气供气装置7的通气量，所述尾气处理装置8可以为炉气洗涤塔；每次开车运行时，通过适量干空气的注入，降低粉体流凉碱机1内的空气露点温度，以防板片结疤。Compressed dry air supply device 7 and tail gas treatment device 8 are also provided, and at least one row of air inlets arranged along its height direction is arranged on the powder flow soda cooling machine 1, and the air inlet is connected with the compressed dry air supply device. 7 is connected, the exhaust port of the powder flow soda cooling machine 1 is connected with the tail gas treatment device 8, the exhaust treatment device can make the gas entrained with dust discharged from the powder flow soda cooling machine 1 carry out environmental protection treatment, and the control system controls the compressed dry air The ventilation rate of the air supply device 7, the tail gas treatment device 8 can be a furnace gas scrubber; during each start-up operation, through the injection of an appropriate amount of dry air, reduce the air dew point temperature in the powder flow cooling alkali machine 1, in order to prevent Slab scarring.
所述粉体流凉碱机1包括外壳、传热板片、料仓、出料口、软水冷却水进水口、软水冷却水出水口、进料口和排气口，所述若干传热板片沿竖直方向放置于外壳内，各传热板片均匀间隔平行排列，各传热板片内形成供冷却软水流通的通道，且各传热板片的通道两端分别与软水冷却水进水口和软水冷却水出水口连通，所述软水冷却水进水口的位置低于软水冷却水出水口的位置，料仓位于各传热板片上端，料仓下端与进料口连通，出料口位于各传热板片下端，出料口内设有星型卸料器，粉体流凉碱机1内板片材质选用304不锈钢为佳，板片间距：25mm，板片内冷却通道截面积：以阻力降不大于5000mm水柱为佳，产品停留时间：15～18分钟为佳，该粉体流凉碱机1结构简单、体积小，占地面积少，节省空间，利用轻灰重量自动下料，节能省电，轻灰在其内冷却均匀充分，不易产生粉尘。The powder flow alkali cooling machine 1 includes a shell, a heat transfer plate, a silo, a discharge port, a soft water cooling water inlet, a soft water cooling water outlet, a feed inlet and an exhaust port, and the plurality of heat transfer plates The plates are placed in the shell along the vertical direction, and the heat transfer plates are evenly spaced and arranged in parallel. Each heat transfer plate forms a channel for the circulation of cooling soft water, and the two ends of the channel of each heat transfer plate are respectively connected to the soft water cooling water. The water port is connected with the soft water cooling water outlet, the position of the soft water cooling water inlet is lower than that of the soft water cooling water outlet, the feed bin is located at the upper end of each heat transfer plate, the lower end of the feed bin is connected with the feed inlet, and the feed outlet Located at the lower end of each heat transfer plate, there is a star unloader in the discharge port. The material of the inner plate of the powder flow alkali cooling machine 1 is preferably 304 stainless steel, the distance between the plates: 25mm, the cross-sectional area of the cooling channel in the plate : It is better if the resistance drop is not more than 5000mm water column, and the product residence time is better: 15 to 18 minutes. Material, energy saving and power saving, light ash is cooled evenly and fully in it, and it is not easy to generate dust.
所述粉体流凉碱机1的料仓内设有雷达导波料位计，出料口上设有旋转阀，雷达导波料位计与旋转阀的变频电机联锁，以保证板片的满料位操作。The silo of the powder flow soda cooling machine 1 is provided with a radar guided wave material level gauge, and a rotary valve is provided on the discharge port, and the radar guided wave material level gauge is interlocked with the frequency conversion motor of the rotary valve to ensure the smoothness of the plates. Full level operation.
所述软水泵4出口设有用于调节软水流量的流量阀，通过调节软水流量调节粉体流凉碱机1的冷却效果，进而获得良好的轻灰冷却产品。The outlet of the soft water pump 4 is provided with a flow valve for adjusting the flow of soft water. By adjusting the flow of soft water, the cooling effect of the powder flow soda cooler 1 can be adjusted to obtain a good light ash cooling product.
本专利的轻灰冷却系统与传统轻灰冷却设备相比具有节能环保等综合优势，具体如下：Compared with traditional light ash cooling equipment, the light ash cooling system of this patent has comprehensive advantages such as energy saving and environmental protection, as follows:
以60万吨/年轻灰为基准，采用本系统两台粉体流凉碱机1即可实现，而传统的螺旋浆式凉碱机则需要6台(还要配2台备机)，二者具体比较如下：Based on 600,000 tons/young ash, it can be realized by using two powder fluid soda cooling machines 1 in this system, while the traditional propeller type soda cooling machine needs 6 sets (and 2 standby machines), and the second The specific comparison is as follows:
经试验验证，本系统冷却的轻灰产品明显优于传统设备，避免了夏季因轻灰温度高而包装袋破损的情况，年节约可观的包装袋费用；It has been verified by experiments that the light ash products cooled by this system are obviously better than traditional equipment, avoiding the damage of packaging bags due to high light ash temperature in summer, and saving considerable packaging bag costs annually;
本系统相对于传统的设备每年可节约电2592000度，合计年节约电费:2592000×0.56＝145.15万元；Compared with traditional equipment, this system can save 2,592,000 degrees of electricity per year, and the total annual electricity cost savings: 2,592,000×0.56=1,451,500 yuan;
年节约标煤318.56吨(每度电折标系数0.1229Kg)；每吨轻灰冷却节约标煤0.5309Kg；The annual saving of standard coal is 318.56 tons (the electric conversion coefficient per kWh is 0.1229Kg); the standard coal saving per ton of light ash cooling is 0.5309Kg;
每年节约循环水用量4800000立方米；即年节约标煤685.92吨(每方循环水折标煤系数0.1429Kg)；每吨轻灰冷却节约标煤1.1432Kg，按目前烟煤价(5000大卡/Kg):550元/t计算，合计节约685.92×(7000/5000)×550＝52.8万元/年；Save 4,800,000 cubic meters of circulating water per year; that is, save 685.92 tons of standard coal per year (the conversion coefficient of standard coal per cubic meter of circulating water is 0.1429Kg); save 1.1432Kg of standard coal per ton of light ash cooling, according to the current bituminous coal price (5000 kcal/Kg ): Calculated at 550 yuan/t, the total saving is 685.92×(7000/5000)×550＝528,000 yuan/year;
以上二项，合计每吨轻灰冷却节约标煤1.6741Kg，年节约标煤1004吨；The above two items together save 1.6741Kg of standard coal per ton of light ash cooling, and save 1004 tons of standard coal per year;
每年节约维修费(包括更换螺旋轴、进出口软节头等)用100万元；Save 1 million yuan in maintenance costs (including replacement of screw shafts, import and export soft joints, etc.) every year;
减少占地面积、配置美观，节省土建投资60万(不计年度节约额内；Reduced floor space, beautiful configuration, saving 600,000 civil investment (excluding annual savings;
每年避免因维修减量引起的损失120万元以上；Avoid losses of more than 1.2 million yuan per year due to maintenance reduction;
每年减少粉尘排放30吨，节省5万元，具有十分良好的社会效益；因减少粉尘外排，达到国家排放标准，良好的社会效益不可胜数；Reduce dust emission by 30 tons per year, saving 50,000 yuan, which has very good social benefits; due to the reduction of dust discharge, it meets the national emission standards, and the good social benefits are innumerable;
项目实施，年可产生直接经济效益约423万元；优化生产技术指标；良好的社会效益不可胜数。The implementation of the project can generate direct economic benefits of about 4.23 million yuan per year; optimize the production technical indicators; and the good social benefits are innumerable.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104876249A (en) * | 2015-05-12 | 2015-09-02 | 湖北双环科技股份有限公司 | Device and method for reducing temperature of soda ash in soda ash cooling machine and packaging post |
| CN105731498A (en) * | 2014-12-10 | 2016-07-06 | 中盐昆山有限公司 | Light soda ash product cooling system and cooling process therefor |
| CN108679995A (en) * | 2018-05-03 | 2018-10-19 | 山东科院天力节能工程有限公司 | Steam rotary drying system for purified salt and the method for preparing purified salt |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105731498A (en) * | 2014-12-10 | 2016-07-06 | 中盐昆山有限公司 | Light soda ash product cooling system and cooling process therefor |
| CN104876249A (en) * | 2015-05-12 | 2015-09-02 | 湖北双环科技股份有限公司 | Device and method for reducing temperature of soda ash in soda ash cooling machine and packaging post |
| CN104876249B (en) * | 2015-05-12 | 2016-09-14 | 湖北双环科技股份有限公司 | The apparatus and method of the soda temperature in reducing cooling alkali machine and packaging post |
| CN108679995A (en) * | 2018-05-03 | 2018-10-19 | 山东科院天力节能工程有限公司 | Steam rotary drying system for purified salt and the method for preparing purified salt |
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