CN218757719U - Multifunctional rainwater collection system for alumina plant - Google Patents
Multifunctional rainwater collection system for alumina plant Download PDFInfo
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- CN218757719U CN218757719U CN202223023251.0U CN202223023251U CN218757719U CN 218757719 U CN218757719 U CN 218757719U CN 202223023251 U CN202223023251 U CN 202223023251U CN 218757719 U CN218757719 U CN 218757719U
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Abstract
The utility model discloses a many functional type rainwater collecting system of alumina factory, including rainwater pipe network, vatch basin, gate valve, rainwater outer calandria, initial stage rainwater pipe, duckbilled valve, rainwater collecting pit, hoisting water pump, water treatment facilities, buffer memory water tank, retrieval and utilization water pump, production water supply pipe network. The outlet of the rainwater pipe network is connected with the intercepting well, and one end of the intercepting well is connected with the initial rainwater pipe. The lift pump sets up in the rainwater collecting tank, and the export of water pump is connected with the production water supply pipe network water inlet, and water treatment facilities export and buffer water tank access connection, buffer water tank export and retrieval and utilization water pump access connection, and the retrieval and utilization water pump export is connected with production water supply pipe network access connection. The utility model provides a many functional type rainwater collection system, reasonable efficient has utilized the water storage space of rainwater collecting pit, has solved traditional technology area and has leaded to land used index increase, seasonality to cause the high problem of system idle rate greatly, has extensive application prospect at the aluminium oxide factory in abundant area of rainfall.
Description
Technical Field
The utility model belongs to the drainage art field especially relates to a multi-functional rainwater collecting system of alumina factory.
Background
At present, a rainwater collection system and a production water supply system belong to core processes in a water supply and drainage system of an alumina plant, and are also one of main factors influencing the land occupation index of the alumina plant. With the trend of continuous optimization of land use indexes and construction investment of alumina plants and the proposal of a garden factory concept, the search for a reasonable, efficient and economical process is particularly important.
The rainwater collection system is mainly used for collecting and storing initial rainwater in an alumina plant and preventing the pollution of the surrounding environment caused by the outward discharge of rainwater containing pollutants. The system mainly comprises a rainwater pipe network, a rainwater collecting tank, a rainwater lift pump, a valve and a pipeline, and collected initial rainwater is sent to a wastewater treatment station of an alumina plant for treatment and then is reused as reclaimed water for production. In order to meet the relevant requirements of national environmental protection, a rainwater collecting pool with a large floor area is often built in a factory area, and due to seasonal influence, the collecting pool is often vacant in dry seasons, and the idle rate of lifting equipment is high.
The production water supply system is another core process system of water supply and drainage in the aluminum industry field, and is used for storing and supplying new production water required by the production of an alumina plant to ensure the continuous operation of the production. The system mainly comprises a production water storage tank, a water supply pipe network, a production lift pump, a valve and a pipeline, wherein the stored production water is lifted by the water pump and then is delivered to each production water consumption point. In order to ensure the continuous operation of production, a water storage tank with larger occupied area is often built in a plant area.
In order to meet the requirements of environmental protection and production, the two systems are independent systems which are respectively arranged in two different areas, so that the occupied area is large, the land index is increased, and the land resource waste is caused; because the water pools adopted by the two systems are in a reinforced concrete structure form, the problems of increased construction difficulty, increased period and increased one-time investment cost of projects are caused.
SUMMERY OF THE UTILITY MODEL
To the not enough of current system existence, utilize the characteristics of rainwater seasonal variation fully rationally, the utility model provides an alumina plant multi-functional rainwater collection system solves the problem that area that traditional facility exists is big, the system idleness is high, the efficiency of construction is low, investment cost is high.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides an alumina factory multi-functional type rainwater collecting system, includes rainwater pipe network, vatch basin, gate valve, rainwater outer calandria, initial stage rainwater pipe, duckbilled valve, rainwater collecting pit, lift pump, water treatment facilities, buffer memory water tank, retrieval and utilization water pump, production water supply pipe network, on-line monitoring instrument, motorised valve, production water source pipe, hydraulic pressure water level control valve. The rainwater pipe network outlet is connected with the intercepting well, one end of the intercepting well is connected with the initial rainwater pipe, and the other end of the intercepting well is connected with the rainwater discharging pipe. The lifting water pump is arranged in the rainwater collecting pool, one end of the outlet of the water pump is connected with the water inlet of a production water supply pipe network, and the other end of the outlet of the water pump is connected with the inlet of a water treatment device; the outlet of the water treatment device is connected with the inlet of the buffer water tank, the outlet of the buffer water tank is connected with the inlet of the reuse water pump, and the outlet of the reuse water pump is connected with the inlet of the production water supply pipe network.
Set up the normal close gate valve in the vatch basin, the rainwater gets into rainwater collecting pit through initial stage downspout, and when satisfying initial stage rainwater collection volume, the gate valve is opened, and the rainwater is arranged outside the factory through the outer row of rainwater pipe.
The production water source pipe water outlet is connected with the rainwater collecting tank, the hydraulic water level control valve is arranged on the production water source pipe water outlet pipe, the hydraulic control valve is provided with a ball float valve, and the hydraulic valve can be automatically controlled to be opened through the set liquid level so as to ensure normal water inlet of a production water source.
The top of the rainwater collecting pool is open, and the bottom of the rainwater collecting pool adopts a structural form of geomembrane anti-seepage treatment.
The lifting water pump adopts a submersible sewage pump, and the reuse water pump adopts a centrifugal water pump; the lifting water pump and the recycling water pump are started and stopped by adopting remote and on-site control modes.
The water treatment device is a water treatment facility integrating coagulation, sedimentation, filtration and disinfection, and adopts a steel structure form; the buffer water tank adopts a steel structure form.
The online monitoring instrument is arranged on an outlet pipe of the lifting water pump; the electric valve is arranged on the outlet pipe of the lifting water pump and is positioned at the rear end of the online monitoring instrument, and the online monitoring instrument has the functions of online monitoring of pH value, conductivity, fluoride ions and turbidity.
The duckbill valve is arranged at the outlet of the rainwater pipe network; the duckbill valve is made of rubber and connected with a flange, and the hydraulic water level control valve is made of nodular cast iron and connected with a flange.
The pipelines of the multifunctional rainwater collecting system are all welded steel pipes and are welded or connected through flanges.
The utility model has the advantages that:
1. the utility model provides a multifunctional rainwater collection system, which not only meets the requirements of the national environmental protection on the construction of an alumina plant, but also reasonably and efficiently utilizes the water storage space of a rainwater collection tank to replace the traditional production water storage tank, thereby solving the problems of the large occupied area of the traditional process, the increase of land use index and high idling rate of the system caused by seasonality;
2. the top of the rainwater collection pool is designed to be open, and the bottom of the rainwater collection pool is in a structural form of geomembrane anti-seepage treatment, so that the civil construction difficulty is reduced, the construction efficiency is improved, and the investment cost is reduced; meanwhile, the rainwater collecting pool after water storage is used as a plant landscape, so that the requirement of customers on a garden type plant is met to a great extent;
3. the multifunctional rainwater collection system is provided with a water treatment facility, so that qualified rainwater can be used as reclaimed water, and consumption of produced fresh water is saved;
4. the system is provided with an online monitoring instrument, so that the safety and stability of water supply of the system are improved;
5. a duckbill valve is arranged at the outlet of the rainwater pipe network, so that the collection amount of the rainwater collection pool is greatly increased, and the disturbance of initial rainwater on later-stage pollution-free rainwater is reduced;
6. the utility model has wide application prospect in alumina factories in regions with abundant rainfall.
Drawings
FIG. 1 is a schematic flow chart of the multifunctional rainwater collection system of the alumina plant of the present invention;
wherein the content of the first and second substances,
1-rainwater pipe network, 2-catch basin, 3-gate valve, 4-rainwater external discharge pipe, 5-initial rainwater pipe, 6-duckbill valve, 7-rainwater collecting tank, 8-lift water pump, 9-lift water pump outlet pipe, 10-lift water pump outlet pipe (unqualified water), 11-water treatment device, 12-communicating pipe, 13-buffer water tank, 14-reuse water pump inlet pipe, 15-reuse water pump, 16-reuse water pump outlet pipe, 17-lift water pump outlet pipe (qualified water), 18-production water supply pipe network, 19-online monitoring instrument, 20-electric valve a, 21-electric valve b, 22-production water source pipe and 23-hydraulic water level control valve.
Detailed Description
The technical solution and effects of the present invention will be described in detail with reference to the accompanying drawings.
The utility model provides a multi-functional type rainwater collection system of alumina factory, as shown in figure 1, includes rainwater pipe network 1, vatch basin 2, gate valve 3, rainwater outer calandria 4, initial stage rainwater pipe 5, duckbill valve 6, rainwater collecting pit 7, lift pump 8, water treatment facilities 11, buffer tank 13, retrieval and utilization water pump 15, production water supply pipe network 18, on-line monitoring instrument 19, motorised valve a20, motorised valve b21, production water source pipe 22, hydraulic pressure water level control valve 23.
The outlet port of the rainwater pipe network 1 is connected with the intercepting well 2, the gate valve 3 is closed, rainwater enters the rainwater collecting pool 7 through the initial rainwater pipe 5, and the outlet of the initial rainwater pipe 5 is provided with a duckbill valve 6; the gate valve 3 is opened, and rainwater enters the rainwater outer discharge pipe 4 through the catch basin 2 and is discharged outside the factory.
The production water source pipe 22 is connected with the rainwater collection tank 7, the hydraulic water level control valve 23 is arranged on the production water source pipe 22, when a ball float valve arranged on the hydraulic water level control valve 23 reaches a set valve opening liquid level, the hydraulic water level control valve 23 is opened, new production water enters the rainwater collection tank 7, and when the ball float valve arranged on the hydraulic water level control valve 23 reaches a set valve closing liquid level, the hydraulic water level control valve 23 is closed.
The lift water pump 8 is arranged in the rainwater collecting tank 7, the online monitoring instrument 19 is arranged on the water outlet pipe 9 of the lift water pump, the online monitoring instrument 19 is interlocked with the motor valve b 20 and the motor valve b21, when the online monitoring instrument shows that the water quality is qualified, the motor valve b21 is opened, the motor valve a20 is closed, and the water outlet pipe 9 of the lift water pump is connected with the water inlet of the production water supply pipe network 18 through the water outlet pipe (qualified water) 17 of the lift water pump; when the online monitoring instrument 19 shows that the water quality is unqualified, the electric valve b21 is closed, the electric valve a20 is opened, and the water outlet pipe 9 of the lifting water pump is connected with the water inlet of the water treatment device 11 through the water outlet pipe (unqualified water) 10 of the lifting water pump.
The water outlet of the water treatment device 11 is connected with the water inlet of a buffer water tank 13 through a communicating pipe 12, the water outlet of the buffer water tank 13 is connected with the water inlet of a reuse water pump 15 through a reuse water pump inlet pipe 14, and the water outlet of the reuse water pump 15 is connected with the water inlet of a production water supply pipe network 18 through a reuse water pump outlet pipe 16.
The top of the rainwater collecting pool 7 is open, the bottom of the rainwater collecting pool adopts a structural form of geomembrane anti-seepage treatment, and the rainwater collecting pool has a landscape function.
The lifting water pump 8 adopts a submersible sewage pump, and the reuse water pump 15 adopts a centrifugal water pump; the lifting water pump 8 and the recycling water pump 15 are started and stopped by adopting remote control modes and local control modes.
The water treatment device 11 adopts coagulation, sedimentation, filtration and disinfection integrated facilities and adopts a steel structure form; the buffer water tank 14 is made of steel structure.
The online monitoring instrument 19 has the function of online monitoring of pH value, conductivity, fluoride ions and turbidity.
The duckbill valve 6 is arranged at the outlet of the initial rainwater pipe 5 and is made of rubber and connected with a flange; the hydraulic water level control valve 23 is made of nodular cast iron and is in a flange connection mode; the gate valve 3 is made of nodular cast iron and is in a flange connection mode; the electric valves a20 and b21 are made of nodular cast iron and are connected in a flange mode.
The rainwater pipe network 1, the rainwater external drainage pipe 4, the initial rainwater pipe 5, the lifting water pump water outlet pipe 9, the lifting water pump water outlet pipe (unqualified water) 10, the communicating pipe 12, the reuse water pump water inlet pipe 15, the reuse water pump water outlet pipe 16, the lifting water pump water outlet pipe (qualified water 17, the production water supply pipe network 18 and the production water source pipe 22 are all welded steel pipes and are welded or connected by flanges.
The multifunctional rainwater collecting system combines a traditional production water supply system and a rainwater collecting system, cancels a production water storage tank and a production water supply pump, maximally utilizes the rainwater collecting tank and a rainwater lifting pump, namely can be used for storing rainwater in rainy seasons, and lifts collected initial rainwater to a water treatment facility through a water pump for qualified treatment and then is used by the production water supply system; in dry seasons, the rainwater collecting system can be used for storing production water and supplying the production water to a production water supply system after being lifted by a water pump, and the daily rainwater collecting pool can also be used as a plant landscape, so that the system greatly reduces the occupied area and the investment cost, and improves the utilization rate of the rainwater collecting system; the top of the rainwater collection pool is in an open type, and the bottom of the rainwater collection pool is in a geomembrane anti-seepage treatment structure, so that the construction difficulty is effectively reduced, the construction period is shortened, and the construction efficiency is improved; the system is provided with a water treatment facility and an online monitoring instrument, so that the recovered rainwater can be used as reclaimed water, the consumption of fresh water is saved, and the safety and the reliability of system water supply are improved.
Claims (9)
1. The utility model provides a many functional type rainwater collecting system of alumina factory which characterized in that: the system comprises a rainwater pipe network, a catch basin, a gate valve, a rainwater external discharge pipe, an initial rainwater pipe, a duckbill valve, a rainwater collecting pool, a lifting water pump, a water treatment device, a buffer water tank, a reuse water pump, a production water supply pipe network, an online monitoring instrument, an electric valve, a production water source pipe and a hydraulic water level control valve; the outlet of the rainwater pipe network is connected with an intercepting well, one end of the intercepting well is connected with the initial rainwater pipe, and the other end of the intercepting well is connected with a rainwater discharging pipe; the lifting water pump is arranged in the rainwater collection pool, one end of the outlet of the water pump is connected with the water inlet of the production water supply pipe network, and the other end of the outlet of the water pump is connected with the inlet of the water treatment device; the outlet of the water treatment device is connected with the inlet of the buffer water tank, the outlet of the buffer water tank is connected with the inlet of the reuse water pump, and the outlet of the reuse water pump is connected with the inlet of the production water supply pipe network.
2. The multifunctional rainwater collection system for the alumina plant according to claim 1, wherein: set up the normal close gate valve in the vatch basin, the rainwater gets into rainwater collecting pit through initial stage downspout, and when satisfying initial stage rainwater collection volume, the gate valve is opened, and the rainwater is arranged outside the factory through the outer row of rainwater pipe.
3. The multifunctional rainwater collection system for the alumina plant according to claim 1, wherein: the production water source pipe water outlet is connected with the rainwater collecting tank, the hydraulic water level control valve is arranged on the production water source pipe water outlet pipe, the hydraulic control valve is provided with a ball float valve, and the opening of the hydraulic valve is automatically controlled through the set liquid level.
4. The multifunctional rainwater collection system for the alumina plant according to claim 1, wherein: the top of the rainwater collecting pool is open, and the bottom of the rainwater collecting pool adopts a structural form of geomembrane anti-seepage treatment.
5. The multifunctional rainwater collection system for the alumina plant according to claim 1, wherein: the lifting water pump adopts a submersible sewage pump, and the reuse water pump adopts a centrifugal water pump; the lifting water pump and the recycling water pump are started and stopped by adopting remote and on-site control modes.
6. The multifunctional rainwater collection system for the alumina plant according to claim 1, wherein: the water treatment device adopts a coagulation, sedimentation, filtration and disinfection integrated water treatment facility and adopts a steel structure form; the buffer water tank adopts a steel structure form.
7. The multifunctional rainwater collection system for the alumina plant according to claim 1, wherein: the online monitoring instrument is arranged on an outlet pipe of the lifting water pump; the electric valve is arranged on the outlet pipe of the lifting water pump and is positioned at the rear end of the online monitoring instrument, and the online monitoring instrument has the functions of online monitoring of pH value, conductivity, fluoride ions and turbidity.
8. The multifunctional rainwater collection system for the alumina plant according to claim 1, wherein: the duckbill valve is arranged at the outlet of the rainwater pipe network; the duckbill valve is made of rubber and connected with a flange, and the hydraulic water level control valve is made of nodular cast iron and connected with a flange.
9. The multifunctional rainwater collection system for the alumina plant according to claim 1, wherein: the pipelines of the multifunctional rainwater collecting system are all welded steel pipes and are welded or connected through flanges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223023251.0U CN218757719U (en) | 2022-11-14 | 2022-11-14 | Multifunctional rainwater collection system for alumina plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223023251.0U CN218757719U (en) | 2022-11-14 | 2022-11-14 | Multifunctional rainwater collection system for alumina plant |
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| CN218757719U true CN218757719U (en) | 2023-03-28 |
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| CN202223023251.0U Active CN218757719U (en) | 2022-11-14 | 2022-11-14 | Multifunctional rainwater collection system for alumina plant |
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