CN216427024U - Industrial circulating water blowdown water full-recycling comprehensive utilization device - Google Patents
Industrial circulating water blowdown water full-recycling comprehensive utilization device Download PDFInfo
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- CN216427024U CN216427024U CN202123175835.5U CN202123175835U CN216427024U CN 216427024 U CN216427024 U CN 216427024U CN 202123175835 U CN202123175835 U CN 202123175835U CN 216427024 U CN216427024 U CN 216427024U
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Abstract
The utility model discloses a full recycling of industrial circulating water blowdown utilizes device comprehensively, remove hard softening unit, carborundum high-efficient filtration and fall turbid unit, big data intelligence management and control unit including the high-efficient crystallization of industrial circulating water blowdown. The utility model has the advantages that: firstly, the high-efficiency crystallization hardness removal reactor in the technical scheme has high flow rate, high decalcification rate, good hardness removal effect and low effluent hardness, can automatically adjust the effluent hardness at any time, and increases the number of recyclable scenes; the silicon carbide high-efficiency filtration turbidity-reducing unit has good filtration effect, strong operation stability and small fluctuation of effluent turbidity, and greatly improves the utilization rate of industrial wastewater of enterprises; the device by-product is simple, the by-product in the hard softening stage is 2-3mm calcium carbonate particles, the purity of calcium carbonate is high and exceeds 92%, the calcium carbonate is basically free of water, the calcium carbonate can be completely reused in the boiler desulfurization section of an enterprise, the defects of the traditional process are completely overcome, the operation efficiency is higher, the operation cost is lower, and the environment is more friendly.
Description
Technical Field
The utility model relates to an industrial water treatment technical field specifically is a full resource comprehensive utilization device of industrial circulating water blowdown water.
Background
The water consumption of the thermal power plant or similar industrial enterprises in the daily production process is huge, and particularly, the water consumption of an industrial circulating cooling water system accounts for about 80 percent of the water consumption of the thermal power plant, so that new water treatment technologies are actively researched and developed in all countries in the world to achieve the purposes of water saving, emission reduction and comprehensive utilization. Domestic industrial circulating cooling water treatment adopts conventional petrochemical industry softening and precipitation treatment process more, this technology softening efficiency is low, the medicament utilization ratio is low, it is high to discharge mud moisture content, can't properly handle, especially to the hard high circulating water system of magnesium, the hardness removal of its blow off water softens the degree of difficulty greatly, the quality of water turbidity is high, the retrieval and utilization degree of difficulty is big, the system's discharge capacity is big, the effective utilization of blow off water can't be utilized, blow off water treatment cost is high, can't realize the resourceful retrieval and utilization, the industrial water utilization ratio is low, the unit water consumption of enterprise is high, water resource consumption is big, for this reason, need design corresponding technical scheme and solve.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is above the technical problem, provide an industrial circulating water blowdown water full resource comprehensive utilization device who improves water resource utilization rate, reduces water resource consumption.
In order to solve the technical problem, the utility model provides a technical scheme does: the utility model provides a full resource comprehensive utilization device of industrial circulating water blowdown, removes hard softening unit, carborundum high efficiency filtration and falls turbid unit, big data intelligence management and control unit, water resource comprehensive utilization unit, byproduct comprehensive utilization unit and circulating water drainage effluent water sump including industrial circulating water blowdown high efficiency crystallization, remove hard softening unit and include that blowdown water inlet module, seed crystal are preferred to be added the module, automatic medicine regulation and control module, self-induction crystallization granulation removes hard softening module, monitoring and automatic control module, granule discharge and collect and byproduct comprehensive utilization module, carborundum high efficiency filtration fall turbid unit include that intake automatic boost module, carborundum filter module, filtration membrane back flush module, byproduct magnesium hydroxide collect and dehydration module and byproduct comprehensive utilization module, big data intelligence management and control unit including removing hard quality of water automatic monitoring and crossing water quality automatic monitoring and big data intelligence management and control module The water resource comprehensive utilization unit is internally provided with a three-way clear water recycling pipeline for removing hardness, softening, filtering and descending turbidity, and the byproduct comprehensive utilization unit comprises a calcium carbonate byproduct utilization module and a magnesium hydroxide byproduct utilization module.
As an improvement, the sewage inlet module is arranged on one side of the circulating water sewage draining pool and a sewage bypass pipeline is arranged between the sewage inlet module and the circulating water sewage draining pool, and the sewage inlet module is connected with the self-induced crystallization granulation hardness and softening removal module through a pipeline.
As an improvement, the seed crystal adding module is preferably connected with a water outlet pipeline of the high-efficiency crystallization and hardness removal reactor through a pipeline, and an online electromagnetic flow meter is arranged on the pipeline.
As an improvement, the particle discharging and collecting and byproduct comprehensive utilization module is internally provided with an automatic particle discharging pipeline, a self-flushing pipeline and a self-separating and collecting box.
As an improvement, an automatic booster pump and a backwashing water pump are arranged in the silicon carbide high-efficiency filtering and turbidity-reducing unit, a filtering material in the silicon carbide high-efficiency filtering and turbidity-reducing unit is made of a silicon carbide ceramic material, and the backwashing water pump is used for backwashing the filtering material by water discharged from the silicon carbide filtering module and is intensively collected by a backwashing filter cake arranged in the filtering membrane backwashing module.
As an improvement, the byproduct magnesium hydroxide collecting and dehydrating module and the byproduct comprehensive utilization module comprise a magnesium hydroxide slurry collecting box, a drying and dehydrating machine and a clear liquid recycling box.
As an improvement, the clear water recycling pipeline for removing hardness, softening, filtering and reducing turbidity in the three paths of water resource comprehensive utilization units comprises a reverse osmosis module for recycling low-hardness and low-turbidity water after removing hardness and softening to a desalted water preparation water, a module for recycling low-hardness and low-turbidity water to a water cooling tower after regulating the pH value, and a reverse osmosis module for recycling industrial wastewater zero discharge.
As an improvement, the big data intelligent management and control unit automatically and continuously monitors the water quality index of inlet and outlet water of the industrial circulating water sewage high-efficiency crystallization hardness-removing softening unit and the water quality index of outlet water of the silicon carbide high-efficiency filtration turbidity-reducing unit.
Compared with the prior art, the utility model the advantage lie in: firstly, the high-efficiency crystallization hardness removal reactor in the technical scheme combines self-induced chemical crystallization reaction and pill physical fluidization reaction, has high flow rate, high decalcification rate, good hardness removal effect and low effluent hardness, can automatically adjust the effluent hardness at any time by a big data intelligent control unit according to the requirements of the subsequent production process, creates conditions for the comprehensive utilization of water resources, increases the recyclable scenes, and prepares for the subsequent comprehensive utilization; the silicon carbide efficient filtering and turbidity reducing unit in the technical scheme is a filtering membrane which is processed by a silicon carbide ceramic material and has strong stability, high filtering precision and strong bearing capacity, the filtering effect is good, the turbidity of the outlet water is basically lower than 0.2NTU, the operation stability is strong, the fluctuation of the turbidity of the outlet water is small, the silicon carbide efficient filtering and turbidity reducing unit can be applied to a high-magnesium hard circulating water system, a large amount of magnesium hydroxide floccules suspended in the outlet water can be filtered out under the condition of keeping a high PH value after an efficient crystallization and hardness removal reactor, the total hardness and turbidity of the outlet water are greatly reduced, the problem of filtering under the conditions of high magnesium hardness, high turbidity and high PH value which cannot be solved by the traditional process is thoroughly solved, the quality of the outlet water of the system is ensured, multiple ways of water supply resources are comprehensively utilized to create conditions, and the industrial wastewater utilization rate of enterprises is greatly improved; device by-product among the technical scheme of this application is simple, it is 2-3mm calcium carbonate granule to remove hard softening stage by-product, calcium carbonate purity is high, exceed 92%, it is water-free basically, can recycle to enterprise's boiler desulfurization workshop section completely, it is magnesium hydrate powder to filter the by-product of falling turbid stage, can use enterprise's sewage flocculation preliminary treatment workshop section, resource retrieval and utilization can be realized completely to final by-product, realize circular economy, recovery process route among the technical scheme of this application is superior to traditional abandon method process route far away, and do not have other waste water and waste discharge, the drawback of traditional handicraft has been solved completely, the operating efficiency is higher, the running cost is lower, the environment is more friendly.
Drawings
Fig. 1 is a system block diagram of the utility model relates to a full resource comprehensive utilization device of industrial circulating water and sewage.
FIG. 2 is a process flow diagram of the utility model of a full-recycling comprehensive utilization device for industrial circulating water and sewage.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
With reference to the attached drawings 1-2, the device for fully recycling and comprehensively utilizing the industrial circulating water sewage comprises an efficient crystallization hardness-removing softening unit for the industrial circulating water sewage, a silicon carbide efficient filtration turbidity-reducing unit, a big data intelligent control unit, a water resource comprehensive utilization unit, a byproduct comprehensive utilization unit and a circulating water sewage drainage pool, wherein the efficient crystallization hardness-removing softening unit for the industrial circulating water sewage comprises a sewage inlet module, a seed crystal preferred adding module, an automatic dosing control module, a self-induced crystallization granulation hardness-removing softening module, a monitoring and automatic control module and a particle emission collection and byproduct comprehensive utilization module, the self-induced crystallization granulation hardness-removing softening module is an efficient hardness-removing reactor, the silicon carbide efficient filtration turbidity-reducing unit comprises an automatic water inlet pressurization module, a silicon carbide filtration module, a filtration membrane backwashing module, a byproduct magnesium hydroxide collection and dehydration module and a byproduct comprehensive utilization module, the big data intelligence management and control unit include except that hard quality of water automatic monitoring and filtered water quality of water automatic monitoring and big data intelligence management and control module, the water resource comprehensive utilization unit in be equipped with the clear water retrieval and utilization pipeline after three routes remove hard softening filtration fall turbid, the byproduct comprehensive utilization unit include calcium carbonate by-product utilization and magnesium hydrate by-product utilization module.
The units and the modules form a set of industrial circulating water sewage full-resource comprehensive utilization device, different scaling substances and turbidity are removed through step-by-step reaction and state regulation, hardness removal and turbidity reduction of circulating water sewage are realized, and resource recycling of byproducts is realized.
The sewage inlet module is arranged on one side of the circulating water drainage sewage pool and is provided with a sewage discharge bypass pipeline between the circulating water drainage sewage pool and the sewage inlet module, and the sewage inlet module is connected with the self-induced crystallization granulation hardness-removing softening module through a pipeline.
The crystal seed adding module is preferably connected with a water outlet pipeline of the high-efficiency crystallization hardness removal reactor through a pipeline, and an online electromagnetic flowmeter is arranged on the pipeline.
The particle discharging and collecting and byproduct comprehensive utilization module is internally provided with an automatic particle discharging pipeline, a self-flushing pipeline and a self-separating and collecting box.
The silicon carbide high-efficiency filtration turbidity-reducing unit is internally provided with an automatic booster pump and a backwashing water pump, a filtering material in the silicon carbide high-efficiency filtration turbidity-reducing unit is processed and manufactured by adopting a silicon carbide ceramic material, and the backwashing water pump is used for backwashing the filtering material by water discharged from the silicon carbide filtering module and intensively collecting backwashing filter cakes arranged in the filtering membrane backwashing module.
The byproduct magnesium hydroxide collecting and dehydrating module and the byproduct comprehensive utilization module comprise a magnesium hydroxide slurry collecting box, a drying and dehydrating machine and a clear liquid recycling box.
The clear water recycling pipeline for filtering and turbidity reduction by three-way hardness removal softening in the water resource comprehensive utilization unit comprises a reverse osmosis module for recycling low-hardness and low-turbidity water after hardness removal softening to a desalted water preparation water, a module for recycling low-hardness and low-turbidity water to a water cooling tower after regulating and controlling the pH value, and a reverse osmosis module for recycling industrial wastewater zero discharge.
The big data intelligent management and control unit automatically and continuously monitors the water quality index of inlet and outlet water of the industrial circulating water sewage high-efficiency crystallization hardness-removal softening unit and the water quality index of outlet water of the silicon carbide high-efficiency filtration turbidity-reduction unit.
The big data intelligent management and control is provided with an automatic intelligent monitoring platform, and the whole device automatically acquires relevant parameters during operation, so that intelligent process monitoring is realized.
As shown in fig. 1, the technical process of the technical solution of the present application includes two parts: the process is characterized by comprising a water resource comprehensive utilization process and a byproduct utilization process.
Wherein the water resource comprehensive utilization process is as follows: circulating water sewage 1 of an industrial enterprise is pumped into an efficient crystallization hardness-removing softening unit 2 for industrial circulating water sewage, most calcium hardness and part magnesium hardness are removed, the effluent enters a silicon carbide efficient filtration turbidity-reducing unit 3 to quickly filter suspended matters and part magnesium hardness, then the effluent is collected to a water resource comprehensive utilization unit, according to the enterprise condition, the effluent can be pumped into a demineralized water RO unit 5 to replace part of raw water 8, meanwhile, the effluent can be used as circulating water replenishing 6 to reduce the circulating water raw water replenishing quantity 9, in addition, the effluent can be pumped into an enterprise wastewater zero-discharge primary RO unit 7 to replace a traditional softening process 10, the hardness-removing efficiency is improved, a byproduct 11 generated by the efficient hardness-removing softening unit 2 can be recycled to a boiler desulfurization process 12 to realize resource utilization, and a byproduct 13 generated by the silicon carbide efficient filtration turbidity-reducing unit 3, can be dewatered and dried and then recycled to the sewage flocculation pretreatment 14 of enterprises, so that the circulating sewage realizes the comprehensive utilization of full resources.
As shown in fig. 2, the process flow of the technical scheme of the application is as follows: after the water cooling tower 15 of the industrial enterprise runs for a long time, sewage can be discharged periodically, under the conventional condition, the sewage firstly enters a sewage discharge tank 16, the sewage discharge tank is directly pumped into a high-efficiency crystallization hardness removal reactor 18 to participate in crystallization granulation hardness removal softening reaction, the circulating water sewage can also be pumped into the high-efficiency crystallization hardness removal reactor 18 from the water cooling tower 15 through a sewage discharge branch pipe section 17 to participate in crystallization granulation hardness removal softening reaction, the effluent after the reaction can be partially led to a crystal seed optimized adding unit 19, crystal seed particles required by the reaction are conveyed into the high-efficiency crystallization hardness removal reactor 18 to be used as a carrier for removing hard adsorption scale substances of the system, meanwhile, an automatic medicine adding system 20 and a medicine adding metering pump 21 in an automatic medicine adding regulation module timely and control accurately add liquid alkali required by the hardness removal reaction into the high-efficiency crystallization hardness removal reactor 18 according to water quality reaction parameters, anions are converted into an easy ionic state and quickly react with scale formation cations in water, precipitating a stable state scaling substance, enabling the outlet water of the high-efficiency crystallization hardness-removal softening reactor to directly enter an automatic pressure regulating unit 22 of a subsequent water inlet automatic pressurizing module, carrying out corresponding adjustment according to the operation requirement of a subsequent filtering system, pumping the outlet water into a silicon carbide high-efficiency filtering turbidity-reducing unit 23 after the outlet water is pressurized, carrying out deep high-precision filtering treatment, enabling the turbidity of the outlet water to be not more than 0.2NTU, and uniformly collecting and temporarily storing the outlet water in a recovery water tank 24 for later use; a filter membrane backwashing module 25 of a set of filter units is specially designed and installed on one water outlet side, backwashing drainage 26 is mainly magnesium hydroxide slurry 27, slurry is conveyed to a horizontal screw dehydrator 28 through a conveying pump for dehydration and drying treatment, finally magnesium hydroxide dry powder 29 is formed and is used for a sewage pretreatment working section 30 to realize resource recycling, clear liquid 31 in the magnesium hydroxide dehydration period is uniformly recycled to a water cooling tower system, mature calcium carbonate particles are formed after long-term de-hardening fluidization reaction of crystal seeds in a high-efficiency crystallization de-hardening reactor 18, the mature calcium carbonate particles are uniformly collected into a particle collecting box 32 through a particle discharge pipeline for dehydration and separation, the calcium carbonate particles are quickly dried without water, the separated calcium carbonate particles are conveyed to an enterprise boiler through a spiral conveying device and are treated through an in-furnace dry desulfurization process 33 or a boiler tail flue gas desulfurization process 34, and the calcium hardness of the water produced by the whole device is low, the total hardness is low, the turbidity is low, the alkalinity is moderate, and the treated circulating water sewage can be pumped into three different application scenes respectively through the reuse water pump 35: a desalted water RO + EDI section 36; or adjusting the pH value of the effluent to be within the range of 8-9, and directly recycling and supplementing the effluent into the circulating water system 37; or in the industrial wastewater zero-discharge primary RO 38, the hardness removal efficiency is optimized, the effluent calcium hardness is lower, the turbidity is more stable, the comprehensive utilization rate of the industrial wastewater is increased, the medicament adding cost is gradually reduced, and the device is suitable for circulating water units of large enterprises.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (8)
1. The utility model provides a full resource comprehensive utilization device of industrial circulating water blowdown, removes hard softening unit, carborundum high-efficient filtration and falls turbid unit, big data intelligence management and control unit, water resource comprehensive utilization unit, byproduct comprehensive utilization unit and circulating water drainage effluent water sump, its characterized in that including the high-efficient crystallization of industrial circulating water blowdown: the industrial circulating water sewage high-efficiency crystallization hardness-removing softening unit comprises a sewage inlet module, a seed crystal preferable adding module, an automatic dosing regulation and control module, a self-induced crystallization granulation hardness-removing softening module, a monitoring and automatic control module, a particle emission collection and byproduct comprehensive utilization module, wherein the self-induced crystallization granulation hardness-removing softening module is a high-efficiency hardness-removing reactor, the silicon carbide high-efficiency filtration turbidity-reducing unit comprises an inlet automatic pressurization module, a silicon carbide filtration module, a filtration membrane backwashing module, a byproduct magnesium hydroxide collection and dehydration module and a byproduct comprehensive utilization module, the big-data intelligent management and control unit comprises a hardness-removing water quality automatic monitoring and filtered water quality automatic monitoring and big-data intelligent management and control module, and the water resource comprehensive utilization unit is provided with a clear water recycling pipeline for removing hardness, filtering and reducing turbidity, the byproduct comprehensive utilization unit comprises a calcium carbonate byproduct utilization module and a magnesium hydroxide byproduct utilization module.
2. The full-resource comprehensive utilization device of the industrial circulating water and sewage discharge water, which is disclosed by claim 1, is characterized in that: the sewage inlet module is arranged on one side of the circulating water drainage sewage pool and is provided with a sewage discharge bypass pipeline between the circulating water drainage sewage pool and the sewage inlet module, and the sewage inlet module is connected with the self-induced crystallization granulation hardness-removing softening module through a pipeline.
3. The full-resource comprehensive utilization device of the industrial circulating water and sewage discharge water, which is disclosed by claim 1, is characterized in that: the crystal seed adding module is preferably connected with a water outlet pipeline of the high-efficiency crystallization hardness removal reactor through a pipeline, and an online electromagnetic flowmeter is arranged on the pipeline.
4. The full-resource comprehensive utilization device of the industrial circulating water and sewage discharge water, which is disclosed by claim 1, is characterized in that: the particle discharging and collecting and byproduct comprehensive utilization module is internally provided with an automatic particle discharging pipeline, a self-flushing pipeline and a self-separating and collecting box.
5. The full-resource comprehensive utilization device of the industrial circulating water and sewage discharge water, which is disclosed by claim 1, is characterized in that: the silicon carbide high-efficiency filtration turbidity-reducing unit is internally provided with an automatic booster pump and a backwashing water pump, a filtering material in the silicon carbide high-efficiency filtration turbidity-reducing unit is processed and manufactured by adopting a silicon carbide ceramic material, and the backwashing water pump is used for backwashing the filtering material by water discharged from the silicon carbide filtering module and intensively collecting backwashing filter cakes arranged in the filtering membrane backwashing module.
6. The full-resource comprehensive utilization device of the industrial circulating water and sewage discharge water, which is disclosed by claim 1, is characterized in that: the byproduct magnesium hydroxide collecting and dehydrating module and the byproduct comprehensive utilization module comprise a magnesium hydroxide slurry collecting box, a drying and dehydrating machine and a clear liquid recycling box.
7. The full recycling comprehensive utilization device of the industrial circulating water and sewage discharge water, which is disclosed by claim 1, is characterized in that: the clear water recycling pipeline for filtering and turbidity reduction by three-way hardness removal softening in the water resource comprehensive utilization unit comprises a reverse osmosis module for recycling low-hardness and low-turbidity water after hardness removal softening to a desalted water preparation water, a module for recycling low-hardness and low-turbidity water to a water cooling tower after regulating and controlling the pH value, and a reverse osmosis module for recycling industrial wastewater zero discharge.
8. The full recycling comprehensive utilization device of the industrial circulating water and sewage discharge water, which is disclosed by claim 1, is characterized in that: the big data intelligent management and control unit automatically and continuously monitors the water quality index of inlet and outlet water of the industrial circulating water sewage high-efficiency crystallization hardness-removal softening unit and the water quality index of outlet water of the silicon carbide high-efficiency filtration turbidity-reduction unit.
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| CN202123175835.5U CN216427024U (en) | 2021-12-16 | 2021-12-16 | Industrial circulating water blowdown water full-recycling comprehensive utilization device |
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| CN202123175835.5U CN216427024U (en) | 2021-12-16 | 2021-12-16 | Industrial circulating water blowdown water full-recycling comprehensive utilization device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114573120A (en) * | 2022-05-06 | 2022-06-03 | 齐鲁工业大学 | Multivariable control method, device and system for coal chemical industry grey water granulation and hardness removal |
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2021
- 2021-12-16 CN CN202123175835.5U patent/CN216427024U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114573120A (en) * | 2022-05-06 | 2022-06-03 | 齐鲁工业大学 | Multivariable control method, device and system for coal chemical industry grey water granulation and hardness removal |
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