CN213492190U - Integrated bottom filtering method blast furnace slag treatment device - Google Patents
Integrated bottom filtering method blast furnace slag treatment device Download PDFInfo
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- CN213492190U CN213492190U CN202021660965.0U CN202021660965U CN213492190U CN 213492190 U CN213492190 U CN 213492190U CN 202021660965 U CN202021660965 U CN 202021660965U CN 213492190 U CN213492190 U CN 213492190U
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Abstract
An integrated bottom filtering blast furnace slag treatment device belongs to the technical field of blast furnace slag flushing water treatment. The device includes the electric valve that intakes of filtering pond, the canal is joined in marriage to the filtering pond, the sediment filtering pond, filtering pond water collection floral tube, the filter material, filtering pond water collection house steward, the filtering pond backwash inlet tube, the filtering pond outlet pipe, the filtering pond female pipe of giving water, promote the water pump, promote water pump water outlet female pipe, filtering pond backwash female pipe, filtering pond outlet pipe electric valve, blast furnace slag flushing system, the sluicing ditch, filtering pond overflow mouth and filtering pond backwash inlet tube electric valve, filter material and filtering pond water collection house steward are located the inside in sediment filtering pond, filtering pond water intake electric valve intercommunication filtering pond water distribution canal and sediment filtering pond, filtering pond water collection floral tube connection to filtering pond water collection house steward, promote the delivery port and the promotion water pump of water outlet. The device has the advantages that the device can realize continuous slag flushing filtration and continuous backwashing of the blast furnace, effectively improve the filtration efficiency, reduce the floor area of a bottom filtration method, reduce the civil engineering and equipment cost and reduce the operation cost.
Description
Technical Field
The utility model belongs to the technical field of blast furnace slag flushing water treatment, in particular to an integrated bottom filtering blast furnace slag treatment device.
Background
At present, various methods such as a Mingte method, a rotary drum method, a Jiaheng method and the like exist for treating blast furnace slag flushing water, and a bottom filtration method has better performance in the aspects of filtration effect, environmental friendliness, automation degree, operation cost, occupied area and the like. At present, the common bottom filtration method has a filtration design value of 5-10 m 3/square meter.h, can well realize the purpose of separating slag from water, but the method still has partial defects, and the traditional bottom filtration method depends on the bottom space of a filtration layer of a filtration tank as a water storage tank (namely a slag flushing system water supply tank) and a backwashing water tank, and simultaneously, a filtration tank backwashing system is independently arranged, so that the method has a large optimization space in civil engineering, equipment and operation.
Disclosure of Invention
An object of the utility model is to provide a method blast furnace slag processing apparatus is strained at end of integration has solved that traditional end is strained that method area is big, equipment is complicated, civil engineering and operation cost scheduling problem.
An integrated bottom filtration method blast furnace slag treatment device comprises a filter tank water inlet electric valve 1, a filter tank water distribution channel 2, a slag filter tank 3, a filter tank water collection floral tube 4, a filter material 5, a filter tank water collection header pipe 6, a filter tank backwashing water inlet pipe 7, a filter tank water outlet pipe 8, a filter tank water outlet main pipe 9, a lifting water pump 10, a lifting water pump water outlet main pipe 11, a filter tank backwashing water main pipe 12, a filter tank water outlet pipe electric valve 13, a blast furnace slag flushing system 14, a slag flushing ditch 15, a filter tank overflow port 16 and a filter tank backwashing water inlet pipe electric valve 17, wherein the filter tank water inlet electric valve 1 is communicated with the filter tank water distribution channel filter material 2 and the slag filter tank 3, the filter tank water collection header pipe 6 is positioned at the bottom of the slag filter tank 3, the filter tank water collection floral tube 4 is connected to the filter tank water collection header pipe 6, the outlet of the filter tank water collection header pipe 6 is simultaneously connected with, the filter outlet main pipe 9 is connected with the filter outlet pipe 8, the water inlet of the lifting water pump 10 is connected with the filter outlet main pipe 9, the water outlet of the lifting water pump 10 is connected with the lifting water pump outlet main pipe 11, the lifting water pump outlet main pipe 11 is connected with the blast furnace slag flushing system 14, the water outlet of the blast furnace slag flushing system 14 is connected with the slag flushing ditch 15, the slag flushing ditch 15 is connected with the water distribution ditch 2, the filter backwashing water main pipe 12 is connected with the lifting water pump outlet main pipe 11, the filter backwashing water main pipe 12 is connected with the filter backwashing water inlet pipe 7, the filter overflow port 16 is positioned at the upper part of the filter inlet electric valve 1, the filter backwashing water inlet pipe electric valve 17 is positioned on the filter backwashing water inlet pipe 7, the filter outlet pipe electric valve 13 is positioned on the filter outlet pipe 8, the filter overflow port 16 is positioned at the upper part of the filter backwashing electric valve 1, the filter backwashing water inlet pipe electric valve 17 is arranged on, the filter outlet pipe electric valve 13 is arranged on the filter outlet pipe 8.
The sealing modes of the filter tank water inlet electric valve 1, the filter tank water outlet pipe electric valve 13 and the filter tank backwashing water inlet pipe electric valve 17 are metal hard seals, and matched flange gaskets are made of polytetrafluoroethylene.
During normal filtration, the filter inlet electric valve 1 is normally opened, the slag flushing water enters the filter distribution channel 2 through the slag flushing channel 15, the slag flushing water is filtered by the filter material 5, the produced filtered water is collected by the filter water collecting main pipe 6 through the filter water collecting floral tube 4, the water is pumped to the filter water collecting main pipe 11 by the water pump outlet main pipe 11 after being sucked from the filter water outlet main pipe 9, and the filtered water is sent to the furnace slag flushing system 14; meanwhile, a filter chamber backwashing water main pipe 12 is separated from a lifting water pump water outlet main pipe 11, flushing water generated after flushing slag enters a flushing slag ditch 15, during backwashing, a filter chamber water outlet pipe electric valve 13 and a filter chamber water inlet electric valve 1 of a corresponding backwashing filter chamber are closed, a filter chamber backwashing water inlet pipe electric valve 17 is opened, and backwashing drainage is discharged to a filter chamber water distribution channel 2 through a filter chamber overflow port 16.
The utility model has the advantages that:
1. the device can realize continuous flushing slag filtration and continuous backwashing, and can lift a water pump to directly draw filtered water in the filter tank to be lifted and sent to a blast furnace flushing slag system without independently arranging a water storage system.
2. The lifting water pump is used as a backwashing water pump, water stored in the non-backwashing filter tank is used as backwashing water, a backwashing water tank and the backwashing water pump are omitted, civil engineering investment and equipment cost are reduced, and the control process of the filter system is simplified.
3. Because the lift pump directly sucks water from the main water outlet pipe of the filter tank, the process is favorable for forming filtrationThe system can suck under negative pressure, and the filtering speed can reach 12m3The square meter is square per hour, so that the filtering efficiency is improved, and the floor area is effectively reduced.
Drawings
Fig. 1 is a schematic diagram of the device. The device comprises a filter tank water inlet electric valve 1, a filter tank water distribution channel 2, a slag filter tank 3, a filter tank water collection flower pipe 4, a filter tank water collection header pipe 6, a filter tank backwashing water inlet pipe 7, a filter tank water outlet pipe 8, a filter tank water outlet main pipe 9, a lifting water pump 10, a lifting water pump water outlet main pipe 11, a filter tank backwashing water main pipe 12, a filter tank water outlet pipe electric valve 13, a blast furnace slag flushing system 14, a slag flushing ditch 15 and a filter tank backwashing water inlet pipe electric valve 17.
Fig. 2 is a cross-sectional view of the present device. Wherein, the filter tank water inlet electric valve 1, the filter tank water distribution channel 2, the slag filter tank 3, the filter tank water collecting floral tube 4, the filter material 5, the filter tank water collecting main pipe 6, the filter tank backwashing water inlet pipe 7, the filter tank water outlet pipe 8 and the filter tank overflow port 16.
Detailed Description
Fig. 1-2 show a specific embodiment of the present invention.
An integrated bottom filtration method blast furnace slag treatment device comprises a filter tank water inlet electric valve 1, a filter tank water distribution channel 2, a slag filter tank 3, a filter tank water collection floral tube 4, a filter material 5, a filter tank water collection header pipe 6, a filter tank backwashing water inlet pipe 7, a filter tank water outlet pipe 8, a filter tank water outlet main pipe 9, a lifting water pump 10, a lifting water pump water outlet main pipe 11, a filter tank backwashing water main pipe 12, a filter tank water outlet pipe electric valve 13, a blast furnace slag flushing system 14, a slag flushing ditch 15, a filter tank overflow port 16 and a filter tank backwashing water inlet pipe electric valve 17, wherein the filter tank water inlet electric valve 1 is communicated with the filter tank water distribution channel filter material 2 and the slag filter tank 3, the filter tank water collection header pipe 6 is positioned at the bottom of the slag filter tank 3, the filter tank water collection floral tube 4 is connected to the filter tank water collection header pipe 6, the outlet of the filter tank water collection header pipe 6 is simultaneously connected with, the filter outlet main pipe 9 is connected with the filter outlet pipe 8, the water inlet of the lifting water pump 10 is connected with the filter outlet main pipe 9, the water outlet of the lifting water pump 10 is connected with the lifting water pump outlet main pipe 11, the lifting water pump outlet main pipe 11 is connected with the blast furnace slag flushing system 14, the water outlet of the blast furnace slag flushing system 14 is connected with the slag flushing ditch 15, the slag flushing ditch 15 is connected with the water distribution ditch 2, the filter backwashing water main pipe 12 is connected with the lifting water pump outlet main pipe 11, the filter backwashing water main pipe 12 is connected with the filter backwashing water inlet pipe 7, the filter overflow port 16 is positioned at the upper part of the filter inlet electric valve 1, the filter backwashing water inlet pipe electric valve 17 is positioned on the filter backwashing water inlet pipe 7, the filter outlet pipe electric valve 13 is positioned on the filter outlet pipe 8, the filter overflow port 16 is positioned at the upper part of the filter backwashing electric valve 1, the filter backwashing water inlet pipe electric valve 17 is arranged on, the filter outlet pipe electric valve 13 is arranged on the filter outlet pipe 8.
The sealing modes of the filter tank water inlet electric valve 1, the filter tank water outlet pipe electric valve 13 and the filter tank backwashing water inlet pipe electric valve 17 are metal hard seals, and matched flange gaskets are made of polytetrafluoroethylene.
Claims (2)
1. An integrated bottom filtration method blast furnace slag treatment device is characterized by comprising a filter inlet electric valve (1), a filter distribution canal (2), a slag filter (3), a filter water collecting floral tube (4), a filter material (5), a filter water collecting main pipe (6), a filter backwashing water inlet pipe (7), a filter water outlet pipe (8), a filter water outlet main pipe (9), a lifting water pump (10), a lifting water pump water outlet main pipe (11), a filter backwashing water main pipe (12), a filter water outlet pipe electric valve (13), a blast furnace slag flushing system (14), a slag flushing ditch (15), a filter overflow port (16) and a backwashing water inlet pipe electric valve (17); the filter chamber water inlet electric valve (1) is communicated with the filter chamber water distribution channel (2) and the slag filter chamber (3), the filter material (5) is positioned inside the slag filter chamber (3), the filter chamber water collecting main pipe (6) is positioned at the bottom of the slag filter chamber (3), the filter chamber water collecting flower pipe (4) is connected to the filter chamber water collecting main pipe (6), the outlet of the filter chamber water collecting main pipe (6) is simultaneously connected with the filter chamber backwashing water inlet pipe (7) and the filter chamber water outlet pipe (8), the filter chamber water outlet main pipe (9) is connected with the filter chamber water outlet pipe (8), the water inlet of the lifting water pump (10) is connected with the filter chamber water outlet main pipe (9), the water outlet of the lifting water pump (10) is connected with the lifting water pump water outlet main pipe (11), the lifting water pump water outlet main pipe (11) is connected to the blast furnace slag flushing system (14), the water outlet of the blast furnace slag flushing system (14) is connected with the slag flushing channel (, the filter chamber backwashing water main pipe (12) is connected with a lifting water pump water outlet main pipe (11), the filter chamber backwashing water main pipe (12) is connected with a filter chamber backwashing water inlet pipe (7), a filter chamber overflow port (16) is positioned on the upper part of a filter chamber water inlet electric valve (1), a filter chamber backwashing water inlet pipe electric valve (17) is positioned on the filter chamber backwashing water inlet pipe (7), a filter chamber water outlet pipe electric valve (13) is positioned on a filter chamber water outlet pipe (8), a filter chamber overflow port (16) is positioned on the upper part of the filter chamber water inlet electric valve (1), a filter chamber backwashing water inlet pipe electric valve (17) is arranged on the filter chamber backwashing water inlet pipe (7), and a filter chamber water outlet pipe electric valve (13) is arranged on the filter.
2. The device according to claim 1, characterized in that the electric valve (1) for the water inlet of the filter tank, the electric valve (13) for the water outlet pipe of the filter tank and the electric valve (17) for the backwashing water inlet pipe of the filter tank are all metal hard seals, and the matched flange gaskets are all made of polytetrafluoroethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021660965.0U CN213492190U (en) | 2020-08-11 | 2020-08-11 | Integrated bottom filtering method blast furnace slag treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021660965.0U CN213492190U (en) | 2020-08-11 | 2020-08-11 | Integrated bottom filtering method blast furnace slag treatment device |
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| CN213492190U true CN213492190U (en) | 2021-06-22 |
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| CN202021660965.0U Active CN213492190U (en) | 2020-08-11 | 2020-08-11 | Integrated bottom filtering method blast furnace slag treatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114053768A (en) * | 2021-11-24 | 2022-02-18 | 中冶京诚工程技术有限公司 | Method for preventing hardening of filter material of blast furnace water slag bottom filtering system |
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2020
- 2020-08-11 CN CN202021660965.0U patent/CN213492190U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114053768A (en) * | 2021-11-24 | 2022-02-18 | 中冶京诚工程技术有限公司 | Method for preventing hardening of filter material of blast furnace water slag bottom filtering system |
| CN114053768B (en) * | 2021-11-24 | 2022-12-20 | 中冶京诚工程技术有限公司 | Method for preventing hardening of filter material of blast furnace water slag bottom filtering system |
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