CN108191120A - A kind of Water Treatment equipment - Google Patents
A kind of Water Treatment equipment Download PDFInfo
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- CN108191120A CN108191120A CN201810192266.9A CN201810192266A CN108191120A CN 108191120 A CN108191120 A CN 108191120A CN 201810192266 A CN201810192266 A CN 201810192266A CN 108191120 A CN108191120 A CN 108191120A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 221
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 58
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 35
- 239000000126 substance Substances 0.000 claims abstract description 24
- 238000005262 decarbonization Methods 0.000 claims abstract description 9
- 230000006837 decompression Effects 0.000 claims abstract description 9
- 230000000844 anti-bacterial effect Effects 0.000 claims description 5
- 239000003899 bactericide agent Substances 0.000 claims description 5
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 239000003814 drug Substances 0.000 claims 1
- 229940079593 drug Drugs 0.000 claims 1
- 239000002455 scale inhibitor Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 22
- 239000012535 impurity Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 9
- 238000010612 desalination reaction Methods 0.000 description 7
- 239000012528 membrane Substances 0.000 description 7
- 238000011001 backwashing Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000009423 ventilation Methods 0.000 description 4
- 239000002918 waste heat Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- 241000700605 Viruses Species 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000008394 flocculating agent Substances 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 239000008235 industrial water Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
Classifications
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
- C02F2001/427—Treatment of water, waste water, or sewage by ion-exchange using mixed beds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/11—Turbidity
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Water Treatment By Sorption (AREA)
Abstract
一种化学水处理设备，包括依次连接的原水箱、多介质过滤器、活性炭过滤器、并联连接的至少2组反渗透设备组、脱碳塔、中间水箱、中间水泵、混床装置和至少一个脱盐水箱，原水箱与工厂管网给水系统连通，多介质过滤器底部连有用于向多介质过滤器内通入压缩空气的通气管，通气管上连接有减压装置；多介质过滤器和活性炭过滤器的进水管和出水管管路上还连接有带控制阀的旁流管，活性炭过滤器的出水管还与第二加药装置连通；反渗透设备组处理后大部分进入脱碳塔，少部分进入反洗水箱，反洗水箱内的水通过反洗水泵泵送至多介质过滤器和活性炭过滤器内；脱盐水箱处理后的水经脱盐水泵泵送至锅炉除氧器内。
A chemical water treatment equipment, comprising sequentially connected raw water tanks, multi-media filters, activated carbon filters, at least two sets of reverse osmosis equipment groups connected in parallel, decarbonization towers, intermediate water tanks, intermediate water pumps, mixed bed devices and at least one The desalinated water tank, the raw water tank is connected with the water supply system of the factory pipe network, the bottom of the multi-media filter is connected with a vent pipe for feeding compressed air into the multi-media filter, and the vent pipe is connected with a decompression device; the multi-media filter and activated carbon The inlet pipe and outlet pipe of the filter are also connected with a bypass pipe with a control valve, and the outlet pipe of the activated carbon filter is also connected with the second dosing device; Part of it enters the backwash water tank, and the water in the backwash water tank is pumped to the multimedia filter and activated carbon filter through the backwash water pump; the treated water in the desalinated water tank is pumped to the boiler deaerator through the desalted water pump.
Description
技术领域technical field
本发明涉及一种水处理装置，尤其是涉及一种水源为河水的化学水处理设备。The invention relates to a water treatment device, in particular to a chemical water treatment equipment whose water source is river water.
背景技术Background technique
目前，水源为河水的处理装置如附图1所示，包括多介质过滤器、活性炭过滤器、精密过滤器、高压泵、反渗透装置、脱碳塔、中间水箱、中间水泵、混床装置、脱盐水箱、脱盐水泵和去锅炉除氧器等设备，该处理装置运行处理水时主要存在以下不足：多介质和活性炭过滤器过滤后的水SDI大于4，不能满足后续处理要求，导致反渗透膜容易污堵； 设备一旦出现故障，不能连续制水，严重影响机组运行效率； 多介质过滤器滤料存在反洗不干净，不彻底，出水浊度高，产水量偏低； 反渗透设备在清洗或故障时不能制水，易引起断水，严重影响锅炉生产； 设备制水量偏低。At present, the water source is river water treatment device as shown in Figure 1, including multimedia filter, activated carbon filter, precision filter, high pressure pump, reverse osmosis device, decarbonization tower, intermediate water tank, intermediate water pump, mixed bed device, Desalted water tanks, desalted water pumps, boiler deaerators and other equipment, the treatment device mainly has the following deficiencies when operating to treat water: The SDI of the water filtered by the multi-media and activated carbon filter is greater than 4, which cannot meet the requirements of subsequent treatment, resulting in easy fouling of the reverse osmosis membrane; Once the equipment breaks down, water cannot be produced continuously, which seriously affects the operating efficiency of the unit; The filter material of the multi-media filter has unclean and incomplete backwashing, high turbidity of the effluent, and low water production; The reverse osmosis equipment cannot produce water during cleaning or failure, which may easily cause water cut-off and seriously affect the boiler production; The water production capacity of the equipment is low.
发明内容Contents of the invention
本发明要解决的技术问题是：克服现有技术的不足，提供一种可连续制水、产水量高、反洗效果良好、故障率低的一种化学水处理设备。The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a chemical water treatment equipment capable of continuous water production, high water production, good backwashing effect and low failure rate.
本发明解决其技术问题所采用的技术方案是：一种化学水处理设备，包括依次连接的原水箱、多介质过滤器、活性炭过滤器、并联连接的至少2组反渗透设备组、脱碳塔、中间水箱、中间水泵、混床装置和至少一个脱盐水箱，所述原水箱与工厂管网给水系统连通，多介质过滤器底部连有用于向多介质过滤器内通入压缩空气的通气管，所述通气管上连接有减压装置；所述多介质过滤器和活性炭过滤器的进水管和出水管管路上还连接有带控制阀的旁流管，活性炭过滤器的出水管还与第二加药装置连通；所述反渗透设备组处理后大部分进入脱碳塔，少部分进入反洗水箱，所述反洗水箱内的水通过反洗水泵泵送至多介质过滤器和活性炭过滤器内；脱盐水箱处理后的水经脱盐水泵泵送至锅炉除氧器内。The technical scheme adopted by the present invention to solve the technical problem is: a chemical water treatment equipment, including a raw water tank connected in sequence, a multimedia filter, an activated carbon filter, at least 2 groups of reverse osmosis equipment groups connected in parallel, and a decarbonization tower , an intermediate water tank, an intermediate water pump, a mixed bed device and at least one desalinated water tank, the raw water tank is connected with the water supply system of the factory pipe network, and the bottom of the multimedia filter is connected with a ventilation pipe for feeding compressed air into the multimedia filter, A decompression device is connected to the ventilation pipe; a bypass pipe with a control valve is also connected to the water inlet pipe and the water outlet pipe of the multimedia filter and the activated carbon filter, and the water outlet pipe of the activated carbon filter is also connected to the second The dosing device is connected; most of the reverse osmosis equipment group enters the decarbonization tower after treatment, and a small part enters the backwash water tank, and the water in the backwash water tank is pumped to the multimedia filter and activated carbon filter by the backwash water pump ; The water treated in the desalinated water tank is pumped to the boiler deaerator by the desalted water pump.
进一步，所述原水箱与工厂管网给水系统之间还设有一体化净水器；所述一体化净水器还与第一加药装置连通。Furthermore, an integrated water purifier is also provided between the raw water tank and the factory pipe network water supply system; the integrated water purifier is also connected to the first dosing device.
进一步，所述第一加药装置用于向一体化净水器中添加聚合氯化铝（PAC）和/或杀菌剂等化学净水药剂。Further, the first dosing device is used to add polyaluminum chloride (PAC) and/or bactericide and other chemical water purification agents to the integrated water purifier.
进一步，所述原水箱内的水通过原水泵泵送至多介质过滤器中。Further, the water in the raw water tank is pumped to the multimedia filter by the raw water pump.
进一步，所述减压装置用于控制进入多介质过滤器内的压缩空气的压力值在0.2~0.6MPa内，该压力的可松动板结滤料，过小，对多介质过滤器内板结滤料不能松动，过大，增加了运行成本。Further, the decompression device is used to control the pressure value of the compressed air entering the multimedia filter within 0.2~0.6MPa. If the pressure is too small to loosen the hardened filter material, it will affect the hardened filter material in the multimedia filter. Can not be loose, too large, increasing the operating cost.
进一步，所述第二加药装置用于投加阻垢剂和/或还原剂。Further, the second dosing device is used for dosing antiscalant and/or reducing agent.
进一步，所述反渗透设备组包括依次串联连接的精密过滤器、高压泵和反渗透装置。Further, the reverse osmosis equipment group includes a precision filter, a high-pressure pump and a reverse osmosis device connected in series in sequence.
进一步，所述脱盐水箱的数量为2~4个。Further, the number of the desalination tanks is 2-4.
进一步，所述脱盐水箱并联连接在混床装置的出水管路上。Further, the desalinated water tank is connected in parallel to the water outlet pipeline of the mixed bed device.
本发明一种化学水处理设备的使用方法及工作原理是：The use method and working principle of a kind of chemical water treatment equipment of the present invention are:
河水中的杂质经絮凝剂絮凝、杀菌剂杀菌、并经一体化净水器过滤后，去除水源中大颗粒杂质，然后进入原水箱，然后经原水泵泵送至多介质过滤器内过滤去除水中悬浮杂质，使水的浊度降至3以下，再经活性炭过滤器中的活性炭吸附，进一步降低水体的浊度、色度，再进入反渗透设备组中，经精密过滤器、高压泵和反渗透装置，将水体中的工业污染物、重金属、细菌、病毒等大量混入水中的杂质隔离，再经脱碳塔去除水体中的游离CO2，再通过混床装置除去水中的矿物盐，以及脱盐水箱除盐，达到符合锅炉用水或进口余热发电机组的工况要求。The impurities in the river water are flocculated by flocculants, sterilized by bactericides, and filtered by an integrated water purifier to remove large particles of impurities in the water source, then enter the raw water tank, and then pumped to the multi-media filter by the raw water pump to filter and remove suspended water impurities, so that the turbidity of the water is reduced to below 3, and then absorbed by the activated carbon in the activated carbon filter to further reduce the turbidity and chromaticity of the water body, and then enter the reverse osmosis equipment group, pass through precision filters, high-pressure pumps and reverse osmosis The device isolates industrial pollutants, heavy metals, bacteria, viruses and other impurities mixed into the water in large quantities, and then removes free CO 2 in the water through a decarbonization tower, and then removes mineral salts in the water through a mixed bed device, and a desalination tank Desalination meets the working condition requirements of boiler water or imported waste heat generator sets.
河水经工厂管网供水系统送入一体化净水器，经一体化净水器预处理，去除了河水水源中的大部分杂质，使进入原水箱内的水的污染指数（SDI）降至4以下，进而避免后续水处理设备中的反渗透膜被污染、堵塞等现象，有效保护反渗透膜，提高水处理设备产水量以及水质，降低水处理设备的运行成本。The river water is sent to the integrated water purifier through the factory pipe network water supply system. After pretreatment by the integrated water purifier, most of the impurities in the river water source are removed, and the pollution index (SDI) of the water entering the raw water tank is reduced to 4. In the following, the reverse osmosis membrane in the subsequent water treatment equipment is prevented from being polluted and blocked, the reverse osmosis membrane is effectively protected, the water production and water quality of the water treatment equipment are improved, and the operating cost of the water treatment equipment is reduced.
多介质过滤器底部与带减压装置的通气管连通，将压缩空气减压到0.2~0.6MPa后通入多介质过滤器内，使多介质过滤器内的滤料在反洗时处于松散状态，进而提高滤料清洗效果，降低反洗用水量，防止后续水处理设备中的活性炭过滤器和反渗透设备组中反渗透膜的污染。The bottom of the multi-media filter is connected with the ventilation pipe with a decompression device, and the compressed air is decompressed to 0.2~0.6MPa and then passed into the multi-media filter, so that the filter material in the multi-media filter is in a loose state during backwashing , thereby improving the cleaning effect of the filter material, reducing the water consumption of backwashing, and preventing the pollution of the activated carbon filter in the subsequent water treatment equipment and the reverse osmosis membrane in the reverse osmosis equipment group.
多介质过滤器和活性炭过滤器的进出水管管路上的旁流管，确保了多介质过滤器和活性炭过滤器其中一个在反洗时，另一个过滤器还处于运行制水状态，确保水处理设备能连续处理水。The bypass pipe on the water inlet and outlet pipes of the multi-media filter and activated carbon filter ensures that when one of the multi-media filter and activated carbon filter is backwashed, the other filter is still in the state of water production, ensuring that the water treatment equipment Can process water continuously.
并联连接的多组反渗透设备便于水处理设备在运行时实现连续制水，避免了现有技术中反渗透设备出现故障而导致水处理设备运行中断的现象，进而提高水处理设备的制水效率和产水量。Multiple sets of reverse osmosis equipment connected in parallel facilitate water treatment equipment to achieve continuous water production during operation, avoiding the phenomenon of interruption of water treatment equipment caused by failure of reverse osmosis equipment in the prior art, thereby improving the water production efficiency of water treatment equipment and water production.
在混床装置后并联多个除盐水箱，提高水处理设备的制水效率和水处理量，满足大用量的工业用水需求，当水处理设备出现故障时，延长水处理设备的抢修时间。Multiple desalinated water tanks are connected in parallel after the mixed bed device to improve the water production efficiency and water treatment capacity of the water treatment equipment to meet the large amount of industrial water demand. When the water treatment equipment fails, the repair time of the water treatment equipment is extended.
本发明一种化学水处理设备的有益效果：设备运行平稳，运行成本低，故障率低，设备的水处理效率高，产水量大，且解决了现有技术中多介质过滤器/活性炭过滤器的反洗不彻底、不干净等问题，满足锅炉生产需要，也适应了进口余热发电机组的工况要求，提高了企业水资源利用和废热利用的水平。The beneficial effect of the chemical water treatment equipment of the present invention: the equipment runs smoothly, the operation cost is low, the failure rate is low, the water treatment efficiency of the equipment is high, and the water production volume is large, and it solves the problem of the multi-media filter/activated carbon filter in the prior art It meets the needs of boiler production, and also adapts to the working conditions of imported waste heat generator sets, which improves the level of water resource utilization and waste heat utilization of enterprises.
并联连接的反渗透设备便于水处理设备在运行时实现连续制水，避免了现有技术中反渗透设备出现故障而导致水处理设备运行中断的现象，进而提高水处理设备的制水效率和产水量。The reverse osmosis equipment connected in parallel facilitates the continuous water production of the water treatment equipment during operation, avoiding the interruption of the operation of the water treatment equipment due to the failure of the reverse osmosis equipment in the prior art, thereby improving the water production efficiency and production efficiency of the water treatment equipment. water volume.
附图说明Description of drawings
图1—为现有技术中一种化学水处理设备的处理流程示意图；Fig. 1 - is the processing schematic diagram of a kind of chemical water treatment equipment in the prior art;
图2—为实施例1中一种化学水处理设备的处理流程示意图；Fig. 2 - is the processing schematic diagram of a kind of chemical water treatment equipment in embodiment 1;
图3—为实施例2中一种化学水处理设备的处理流程示意图。Fig. 3 - is the processing schematic diagram of a kind of chemical water treatment equipment in embodiment 2.
具体实施方式Detailed ways
以下结合附图及实施例对本发明作进一步说明。The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
实施例1Example 1
参照图2：本实施例的一种化学水处理设备，包括依次连接的原水箱、多介质过滤器、活性炭过滤器、并联连接的2组反渗透设备组、脱碳塔、中间水箱、中间水泵、混床装置和至少一个脱盐水箱，所述原水箱与工厂管网给水系统连通，多介质过滤器底部连有用于向多介质过滤器内通入压缩空气的通气管，所述通气管上连接有减压装置；所述多介质过滤器和活性炭过滤器的进水管和出水管管路上还连接有带控制阀的旁流管，活性炭过滤器的出水管还与第二加药装置连通；所述反渗透设备组处理后大部分进入脱碳塔，少部分进入反洗水箱，所述反洗水箱内的水通过反洗水泵泵送至多介质过滤器和活性炭过滤器内；脱盐水箱处理后的水经脱盐水泵泵送至锅炉除氧器内。Referring to Fig. 2: a kind of chemical water treatment equipment of the present embodiment, comprises the raw water tank connected in sequence, the multi-media filter, the activated carbon filter, 2 groups of reverse osmosis equipment groups connected in parallel, decarbonization tower, intermediate water tank, intermediate water pump , a mixed bed device and at least one desalinated water tank, the raw water tank is connected with the water supply system of the factory pipe network, the bottom of the multi-media filter is connected with a vent pipe for feeding compressed air into the multi-media filter, and the vent pipe is connected to There is a decompression device; the inlet pipe and the outlet pipe of the multimedia filter and the activated carbon filter are also connected with a bypass pipe with a control valve, and the outlet pipe of the activated carbon filter is also communicated with the second dosing device; After treatment by the reverse osmosis equipment group, most of them enter the decarburization tower, and a small part enters the backwash water tank. The water in the backwash water tank is pumped to the multimedia filter and activated carbon filter through the backwash water pump; The water is pumped to the boiler deaerator through the desalinated water pump.
所述原水箱内的水通过原水泵泵送至多介质过滤器中。The water in the raw water tank is pumped to the multimedia filter by the raw water pump.
所述减压装置用于控制进入多介质过滤器内的压缩空气的压力值在0.2~0.6MPa内，该压力的可松动板结滤料，过小，对多介质过滤器内板结滤料不能松动，过大，增加了运行成本。The decompression device is used to control the pressure value of the compressed air entering the multimedia filter within 0.2~0.6MPa, the pressure of which can loosen the hardened filter material is too small, and the hardened filter material in the multi-media filter cannot be loosened , too large will increase the operating cost.
所述第二加药装置用于投加阻垢剂和/或还原剂。The second dosing device is used for dosing antiscalant and/or reducing agent.
所述反渗透设备组包括依次串联连接的精密过滤器、高压泵和反渗透装置。The reverse osmosis equipment group includes a precision filter, a high-pressure pump and a reverse osmosis device which are sequentially connected in series.
所述脱盐水箱的数量为4个。There are four desalination tanks.
所述脱盐水箱并联连接在混床装置的出水管路上。The desalinated water tank is connected in parallel to the water outlet pipeline of the mixed bed device.
实施例2Example 2
参照图3：本实施例的一种化学水处理设备，Referring to Fig. 3: a kind of chemical water treatment equipment of the present embodiment,
所述原水箱与工厂管网给水系统之间还设有一体化净水器；所述一体化净水器还与第一加药装置连通。An integrated water purifier is also provided between the raw water tank and the factory pipe network water supply system; the integrated water purifier is also communicated with the first dosing device.
所述第一加药装置用于向一体化净水器中添加聚合氯化铝（PAC）和/或杀菌剂等化学净水药剂。The first dosing device is used for adding polyaluminum chloride (PAC) and/or bactericide and other chemical water purification agents to the integrated water purifier.
所述脱盐水箱的数量为2个。There are two desalination tanks.
所述脱盐水箱并联连接在混床装置的出水管路上。The desalinated water tank is connected in parallel to the water outlet pipeline of the mixed bed device.
本发明一种化学水处理设备的使用方法及工作原理是：The use method and working principle of a kind of chemical water treatment equipment of the present invention are:
河水中的杂质经絮凝剂絮凝、杀菌剂杀菌、并经一体化净水器过滤后，去除水源中大颗粒杂质，然后进入原水箱，然后经原水泵泵送至多介质过滤器内过滤去除水中悬浮杂质，使水的浊度降至3以下，再经活性炭过滤器中的活性炭吸附，进一步降低水体的浊度、色度，再进入反渗透设备组中，经精密过滤器、高压泵和反渗透装置，将水体中的工业污染物、重金属、细菌、病毒等大量混入水中的杂质隔离，再经脱碳塔去除水体中的游离CO2，再通过混床装置除去水中的矿物盐，以及脱盐水箱除盐，达到符合锅炉用水或进口余热发电机组的工况要求。The impurities in the river water are flocculated by flocculants, sterilized by bactericides, and filtered by an integrated water purifier to remove large particles of impurities in the water source, then enter the raw water tank, and then pumped to the multi-media filter by the raw water pump to filter and remove suspended water impurities, so that the turbidity of the water is reduced to below 3, and then absorbed by the activated carbon in the activated carbon filter to further reduce the turbidity and chromaticity of the water body, and then enter the reverse osmosis equipment group, pass through precision filters, high-pressure pumps and reverse osmosis The device isolates industrial pollutants, heavy metals, bacteria, viruses and other impurities mixed into the water in large quantities, and then removes free CO 2 in the water through a decarbonization tower, and then removes mineral salts in the water through a mixed bed device, and a desalination tank Desalination meets the working condition requirements of boiler water or imported waste heat generator sets.
河水经工厂管网供水系统送入一体化净水器，经一体化净水器预处理，去除了河水水源中的大部分杂质，使进入原水箱内的水的污染指数（SDI）降至4以下，进而避免后续水处理设备中的反渗透膜被污染、堵塞等现象，有效保护反渗透膜，提高水处理设备产水量以及水质，降低水处理设备的运行成本。The river water is sent to the integrated water purifier through the factory pipe network water supply system. After pretreatment by the integrated water purifier, most of the impurities in the river water source are removed, and the pollution index (SDI) of the water entering the raw water tank is reduced to 4. In the following, the reverse osmosis membrane in the subsequent water treatment equipment is prevented from being polluted and blocked, the reverse osmosis membrane is effectively protected, the water production and water quality of the water treatment equipment are improved, and the operating cost of the water treatment equipment is reduced.
多介质过滤器底部与带减压装置的通气管连通，将压缩空气减压到0.2~0.6MPa后通入多介质过滤器内，使多介质过滤器内的滤料在反洗时处于松散状态，进而提高滤料清洗效果，降低反洗用水量，防止后续水处理设备中的活性炭过滤器和反渗透设备组中反渗透膜的污染。The bottom of the multi-media filter is connected with the ventilation pipe with a decompression device, and the compressed air is decompressed to 0.2~0.6MPa and then passed into the multi-media filter, so that the filter material in the multi-media filter is in a loose state during backwashing , thereby improving the cleaning effect of the filter material, reducing the water consumption of backwashing, and preventing the pollution of the activated carbon filter in the subsequent water treatment equipment and the reverse osmosis membrane in the reverse osmosis equipment group.
多介质过滤器和活性炭过滤器的进出水管管路上的旁流管，确保了多介质过滤器和活性炭过滤器其中一个在反洗时，另一个过滤器还处于运行制水状态，确保水处理设备能连续处理水。The bypass pipe on the water inlet and outlet pipes of the multi-media filter and activated carbon filter ensures that when one of the multi-media filter and activated carbon filter is backwashed, the other filter is still in the state of water production, ensuring that the water treatment equipment Can process water continuously.
并联连接的多组反渗透设备便于水处理设备在运行时实现连续制水，避免了现有技术中反渗透设备出现故障而导致水处理设备运行中断的现象，进而提高水处理设备的制水效率和产水量。Multiple sets of reverse osmosis equipment connected in parallel facilitate water treatment equipment to achieve continuous water production during operation, avoiding the phenomenon of interruption of water treatment equipment caused by failure of reverse osmosis equipment in the prior art, thereby improving the water production efficiency of water treatment equipment and water production.
在混床装置后并联多个除盐水箱，提高水处理设备的制水效率和水处理量，满足大用量的工业用水需求，当水处理设备出现故障时，延长水处理设备的抢修时间。Multiple desalinated water tanks are connected in parallel after the mixed bed device to improve the water production efficiency and water treatment capacity of the water treatment equipment to meet the large amount of industrial water demand. When the water treatment equipment fails, the repair time of the water treatment equipment is extended.
本发明一种化学水处理设备，根据处理工艺，所述反渗透设备的组数还可以为3组、4组或6组；所述脱盐水箱的数量还可以为3个；以上技术特征的改变，本领域的技术人员通过文字描述可以理解并实施，故不再另作附图加以说明。A chemical water treatment equipment of the present invention, according to the treatment process, the number of groups of the reverse osmosis equipment can also be 3 groups, 4 groups or 6 groups; the number of the desalted water tanks can also be 3; the change of the above technical characteristics , those skilled in the art can understand and implement it through the text description, so no additional drawings are provided for illustration.
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