CN213652539U

CN213652539U - Blast furnace circulating water system

Info

Publication number: CN213652539U
Application number: CN202022436446.2U
Authority: CN
Inventors: 周绍平; 周云光
Original assignee: Nanjing Jinhuan Electronic Technology Co ltd
Current assignee: Nanjing Jinhuan Electronic Technology Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-07-09
Anticipated expiration: 2030-10-28

Abstract

The utility model discloses a blast furnace circulating water system relates to blast furnace ironmaking waste water utilization technical field, also inputs the rainwater and carries out hydrologic cycle in the catch basin when reaching the external world and raining, the purpose of water economy resource, and its technical scheme main points are: still including setting up the cistern in the factory ground and setting up the open ditch of the peripheral retaining in the factory ground, each open ditch communicates each other and communicates with the cistern through the runner pipe, be equipped with the filtration piece of filtering aquatic impurity in the cistern, be equipped with the drain pipe with the catch basin intercommunication on the cistern, be equipped with the suction pump on the drain pipe.

Description

Blast furnace circulating water system

Technical Field

The utility model relates to a blast furnace ironmaking waste water utilization technical field, more specifically says, it relates to blast furnace circulating water system.

Background

The circulating water system is a cooling system which takes water as a medium and is recycled, consists of a process heat exchange system, a water pump, a pipeline, a cooling tower and related equipment, and plays a vital role in ensuring the normal operation of blast furnace and power generation system equipment.

Chinese patent No. CN206069908U discloses a blast furnace ironmaking water circulation system, which includes a slag flushing cooling groove, a slag settling tank, and a water collecting tank, wherein the front end of the slag flushing cooling groove is connected to a blast furnace, the rear end of the slag flushing cooling groove is connected to the slag settling tank, the water collecting tank is connected to the front end of the slag flushing cooling groove and the slag settling tank, a combustion fan is disposed outside the blast furnace, a first cooling water pipe, a second cooling water pipe, and a third cooling water pipe are disposed on the combustion fan, the first cooling water pipe is connected to the water collecting tank, the second cooling water pipe is connected to the front end of the slag flushing cooling groove, and the third cooling water pipe is connected to the blast furnace.

However, the water source of the collecting tank is limited, and when the outside rains, a system capable of inputting rainwater into the water circulation system is needed.

Disclosure of Invention

The utility model aims at providing a blast furnace circulating water system carries out hydrologic cycle, the purpose of water economy resource in also inputing the catchment pond with the rainwater when reaching the external world and raining.

The above technical purpose of the present invention can be achieved by the following technical solutions: a blast furnace circulating water system comprises a slag flushing cold groove, a slag settling tank and a water collecting tank, wherein a blast furnace is connected with the front end of the slag flushing cold groove, the rear end of the slag flushing cold groove is connected with the slag settling tank, the water collecting tank is respectively connected with the front end of the slag flushing cold groove and the slag settling tank, a combustion-supporting fan is arranged outside the blast furnace, a first cooling water pipe, a second cooling water pipe and a third cooling water pipe are arranged on the combustion-supporting fan, the first cooling water pipe is connected with the water collecting tank, the second cooling water pipe is connected with the front end of the slag flushing cold groove, the third cooling water pipe is connected with the blast furnace, the blast furnace circulating water system also comprises a reservoir arranged in a factory and water storage open ditches arranged at the periphery of the factory, the open ditches are mutually communicated and are communicated with the reservoir through circulation pipes, filter pieces for filtering impurities in the water are arranged in the reservoir, and a drain pipe communicated with the water collecting tank is arranged on the, and a water suction pump is arranged on the water drainage pipe.

Through adopting above-mentioned technical scheme, the open drain is collected the rainwater to discharge in the cistern through the runner pipe, filter this moment and filter water, the water of being convenient for gets into the catch basin through the drain pipe, has increased the source of catch basin internal water, and the follow-up hydrologic cycle of being convenient for, has reduced the waste of water resource, has practiced thrift the water resource simultaneously.

Preferably: the cistern is hollow cylinder, filter including set up in the cistern and with the annular filtration rampart of the coaxial setting of cistern, the rampart upper end extends to cistern upper end wall just set up the filtration mesh that supplies water to pass through on the rampart, the runner pipe just is located the top of filtering the mesh with cistern pool wall intercommunication, the drain pipe is located the rampart.

Preferably: cistern upper end inner wall is equipped with the first division board of annular coaxial with the cistern in the rampart, the bottom of the pool that extends to being close to the cistern of first division board, the cistern bottom of the pool is equipped with the annular second division board coaxial with the cistern in first division board, the drain pipe is located the second division board.

Preferably: an outer discharge pipe is arranged on the open trench, and a stop valve is arranged on the outer discharge pipe.

Preferably: and a fixing part for fixing the drain pipe is arranged at the bottom of the reservoir.

Preferably: the fixing part comprises a fixing barrel arranged at the bottom of the reservoir, a conical pipe for a water supply and drainage pipe to enter is arranged at the upper end of the fixing barrel, a supporting rod for supporting the drainage pipe is arranged on the inner wall of the lower end of the fixing barrel, and a plurality of communicating holes communicated with the inner wall of the fixing barrel are formed in the wall of the fixing barrel.

To sum up, the utility model discloses following beneficial effect has: the open ditch collects rainwater and discharges the rainwater into the water storage tank through the runner pipe, at the moment, the filtering piece filters water, the water conveniently enters the water collection tank through the drain pipe, the source of the water in the water collection tank is increased, the follow-up water circulation is facilitated, the waste of water resources is reduced, and meanwhile, the water resources are saved.

Drawings

FIG. 1 is a schematic structural view of the present embodiment;

FIG. 2 is a schematic structural diagram of the present embodiment for embodying the open channel

Fig. 3 is a schematic structural diagram for embodying the water reservoir of the present embodiment.

In the figure: 1. flushing slag and cooling the groove; 2. a slag settling tank; 3. a water collecting tank; 31. a reservoir; 32. opening the ditch; 321. a flow-through tube; 33. a drain pipe; 331. a water pump; 34. an annular wall; 341. filtering meshes; 35. a first partition plate; 36. a second partition plate; 37. discharging an outer pipe; 371. a stop valve; 38. a fixed cylinder; 381. a tapered tube; 382. a support bar; 383. a communicating hole; 4. a blast furnace.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model provides a blast furnace circulating water system, as figure 1 and figure 2, includes towards cold slot 1 of sediment, detritus pond 2, catch basin 3, towards the cold slot 1's of sediment front end connection blast furnace 4, towards the cold slot 1's of sediment rear end connection the detritus pond 2, catch basin 3 respectively with towards the cold slot 1's of sediment front end with the detritus pond 2 is connected, and the blast furnace 4 outside is provided with combustion fan, is provided with first condenser tube, second condenser tube, third condenser tube on the combustion fan, and first condenser tube connects catch basin 3, second condenser tube connect towards the cold slot 1's of sediment front end, third condenser tube connection blast furnace 4.

Referring to fig. 1 and 2, the water circulation process further includes a water reservoir 31 disposed in the plant floor and water-storing open ditches 32 disposed around the plant floor, the open ditches 32 are communicated with each other and with the water reservoir 31 through a flow pipe 321, the flow pipe 321 is disposed at an upper end of a wall of the water reservoir 31, so that water in the flow pipe 321 can enter the water reservoir 31, a filter member for filtering impurities in the water is disposed in the water reservoir 31, a drain pipe 33 communicated with the water-collecting tank 3 is disposed on the water reservoir 31, and a suction pump 331 is disposed on the drain pipe 33.

Referring to fig. 1 and 2, the open ditch 32 collects rainwater and discharges the rainwater into the water reservoir 31 through the flow pipe 321, at this time, the filtering member filters water, so that the water can enter the water collecting tank 3 through the water discharge pipe 33, the source of the water in the water collecting tank 3 is increased, the subsequent water circulation is facilitated, the waste of water resources is reduced, and the water resources are saved.

Referring to fig. 2 and 3, the reservoir 31 is a hollow cylinder, the filter element includes an annular filter ring wall 34 disposed in the reservoir 31 and coaxial with the reservoir 31, an upper end of the ring wall 34 extends to an upper end wall of the reservoir 31, a filter mesh 341 for passing water is disposed on the ring wall 34, a flow pipe 321 is communicated with the reservoir wall of the reservoir 31 and is located above the filter mesh 341, so that water in the flow pipe 321 is squeezed into the ring wall 34, and the drain pipe 33 is located in the ring wall 34.

Referring to fig. 2 and 3, the flow pipe 321 flows into the space between the water reservoir 31 and the annular wall 34 for sedimentation, the water in the upper layer can enter the annular wall 34 through the filter mesh 341, the water discharge pipe 33 only needs to pump the water away, and the annular wall 34 is arranged for sedimentation and filtration of the water in the water reservoir 31.

Referring to fig. 2 and 3, an annular first partition plate 35 coaxial with the reservoir 31 is provided in the annular wall 34 at the inner wall of the upper end of the reservoir 31, the first partition plate 35 extends to a position close to the bottom of the reservoir 31, an annular second partition plate 36 coaxial with the reservoir 31 is provided in the first partition plate 35 at the bottom of the reservoir 31, and the drain pipe 33 is provided in the second partition plate 36. The first partition wall 35 separates the annular wall 34 from the second partition wall 36 to facilitate the flow of water from the lower end of the second partition wall 36 to between the first partition wall 35 and the second partition wall 36 to facilitate the re-precipitation of water.

Referring to fig. 2 and 3, when water is not required in the reservoir 31, an outer discharge pipe 37 is provided on the open channel 32, the outer discharge pipe 37 discharges water to a municipal pipe network or a river, and a stop valve 371 is provided on the outer discharge pipe 37, and the stop valve 371 facilitates the water in the open channel 32 to enter the reservoir 31.

Referring to fig. 2 and 3, the bottom of the reservoir 31 is provided with a fixing member for fixing the drain pipe 33. The provision of the fixing member facilitates to stabilize the position of the drain pipe 33 within the water reservoir 31.

Referring to fig. 2 and 3, the fixing member includes a fixing cylinder 38 disposed at the bottom of the reservoir 31, a tapered pipe 381 for the water outlet pipe 33 to enter is disposed at the upper end of the fixing cylinder 38, a support rod 382 for supporting the water outlet pipe 33 is disposed on the inner wall of the lower end of the fixing cylinder 38, and a plurality of communicating holes 383 communicated with the inner wall of the fixing cylinder 38 are disposed on the wall of the fixing cylinder 38. At this time, water enters the fixed cylinder 38 through the communication hole 383, the support rod 382 fixes the position of the drain pipe 33, the drain pipe 33 enters the fixed cylinder 38 through the taper pipe 381, and is supported by the support rod 382, and at this time, the fixed cylinder 38 restricts the position of the drain pipe 33, and impurities entering the drain pipe 33 along with the water are further reduced.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a blast furnace circulating water system, includes towards cold slot (1) of sediment, detritus pond (2), catch basin (3), blast furnace (4) are connected to the front end of the cold slot (1) of sediment, the rear end of the cold slot (1) of sediment of dashing is connected detritus pond (2), catch basin (3) respectively with the front end of the cold slot (1) of sediment of dashing with detritus pond (2) are connected, blast furnace (4) outside is provided with combustion fan, last first condenser tube, second condenser tube, the third condenser tube of being provided with of combustion fan, first condenser tube is connected catch basin (3), the second condenser tube is connected the front end of the cold slot (1) of sediment of dashing, the third condenser tube is connected blast furnace (4), its characterized in that: still including setting up cistern (31) in the factory ground and setting up open ditch of retaining (32) peripheral in the factory ground, each open ditch (32) communicate each other and communicate with cistern (31) through runner pipe (321), be equipped with the filtration piece of filtering aquatic impurity in cistern (31), be equipped with drain pipe (33) with catch basin (3) intercommunication on cistern (31), be equipped with suction pump (331) on drain pipe (33).

2. The blast furnace circulating water system according to claim 1, wherein: the cistern (31) is hollow cylinder, filter piece including set up in cistern (31) and with annular filtration rampart (34) of cistern (31) coaxial arrangement, rampart (34) upper end extends to cistern (31) upper end wall just offer on rampart (34) and supply water to pass through filter mesh (341), runner pipe (321) and cistern (31) pool wall intercommunication just are located the top of filtering mesh (341), drain pipe (33) are located rampart (34).

3. The blast furnace circulating water system according to claim 2, wherein: cistern (31) upper end inner wall is equipped with in rampart (34) with the coaxial first division board of annular (35) of cistern (31), the bottom of the pool that extends to being close to cistern (31) of first division board (35), cistern (31) bottom of the pool is equipped with in first division board (35) with the coaxial annular second division board (36) of cistern (31), drain pipe (33) are located second division board (36).

4. The blast furnace circulating water system according to claim 1, wherein: be equipped with row outer tube (37) on open ditch (32), be equipped with stop valve (371) on row outer tube (37).

5. The blast furnace circulating water system according to claim 1, wherein: and a fixing piece for fixing the drain pipe (33) is arranged at the bottom of the water storage tank (31).

6. The blast furnace circulating water system according to claim 5, wherein: the fixing piece comprises a fixing barrel (38) arranged at the bottom of the water storage tank (31), a tapered pipe (381) allowing a water supply and drainage pipe (33) to enter is arranged at the upper end of the fixing barrel (38), a supporting rod (382) supporting the water drainage pipe (33) is arranged on the inner wall of the lower end of the fixing barrel (38), and a plurality of communicating holes (383) communicated with the inner wall of the fixing barrel (38) are formed in the wall of the fixing barrel (38).