CN214457366U - Stainless steel slag dust removal sewage treatment system - Google Patents
Stainless steel slag dust removal sewage treatment system Download PDFInfo
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- CN214457366U CN214457366U CN202120502127.9U CN202120502127U CN214457366U CN 214457366 U CN214457366 U CN 214457366U CN 202120502127 U CN202120502127 U CN 202120502127U CN 214457366 U CN214457366 U CN 214457366U
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Abstract
The utility model relates to a stainless steel slag dedusting sewage treatment system, which comprises a dedusting tower, a sedimentation tank and a sludge pump; an air inlet of the dust removal tower is communicated with a smoke pipeline of the stainless steel slag turning workshop, and the bottom of the dust removal tower is communicated with a sewage discharge pipeline extending to the sedimentation tank; the feed inlet of the sludge pump is connected with a sludge inlet pipe extending to the lower part of the sludge surface of the sedimentation tank, the discharge outlet of the sludge pump is connected with a spray pipeline extending to the slag turning workshop, and one end of the spray pipeline, which is far away from the sludge pump, is positioned above the stainless steel slag to be cooled. The utility model realizes the cooling of the stainless steel slag by utilizing the sludge through the arrangement of the sludge pump and the spraying pipeline, saves the cooling water resource and simultaneously realizes the utilization of the sludge; through the arrangement of the sedimentation tank and the circulating tank, the recycling of the dedusting water is realized, and the dedusting water resource is saved.
Description
Technical Field
The utility model relates to a dust removal sewage treatment technical field especially relates to the processing and the application of stainless steel slag dust removal mud, specifically indicates a stainless steel slag dust removal sewage treatment system.
Background
The stainless steel produces a certain amount of slag in the smelting process, and because the iron oxide content of the slag is low, the slag is commonly called reducing slag, and a large amount of dust is produced in the processes of hoisting, dumping, cooling treatment and metallic iron screening. Because the stainless steel slag has high viscosity, electric dust removal and cloth bag dust removal are not suitable for dust emission treatment of the stainless steel slag, the prior art generally adopts dynamic wave dust removal, and belongs to wet dust removal.
Disclosure of Invention
The utility model provides a stainless steel slag dust removal sewage treatment system to prior art's is not enough, purifies stainless steel slag smoke and dust through the mode that water removed dust to the utilization to mud has been realized.
The utility model is realized by the following technical proposal, and provides a stainless steel slag dedusting sewage treatment system, which comprises a dedusting tower, a sedimentation tank and a sludge pump; an air inlet of the dust removal tower is communicated with a smoke pipeline of the stainless steel slag turning workshop, and the bottom of the dust removal tower is communicated with a sewage discharge pipeline extending to the sedimentation tank;
the feed inlet of the sludge pump is connected with a sludge inlet pipe extending to the lower part of the sludge surface of the sedimentation tank, the discharge outlet of the sludge pump is connected with a spray pipeline extending to the slag turning workshop, and one end of the spray pipeline, which is far away from the sludge pump, is positioned above the stainless steel slag to be cooled.
This scheme is through the gas wash tower to stainless steel slag's smoke and dust purification treatment, and water and the mud that the smoke and dust combines to form flow to the sedimentation tank through sewage pipes, and after mud subsides in the sedimentation tank, form the layering, the upper strata is water, and the lower floor is mud, carries mud to spray piping through the sludge pump, and mud cools down the pulverization to stainless steel slag after spray piping terminal nozzle blowout, has realized the utilization of mud.
The dust removal tower is characterized by further comprising a circulating tank and a circulating pump, wherein the circulating tank is communicated with the sedimentation tank through an overflow pipeline, a water inlet of the circulating pump is connected with a circulating water inlet pipe extending to the position below the liquid level of the circulating tank, and a water outlet of the circulating pump is communicated with a dust removal water pipe of the dust removal tower through a circulating water outlet pipe. This optimization scheme's setting makes the water of sedimentation tank accomplish after deposiing through overflow pipeline overflow to the circulation pond in, carries out the secondary and deposits, sends the water after the secondary deposits in the circulation pond to the dust removal water pipe of gas wash tower through the circulating pump, is applied to water and removes dust, has realized the reuse of dust removal water.
And as optimization, the scale inhibitor circulation device further comprises an additive pump, a feed inlet of the additive pump is communicated with the scale inhibitor storage device, and a discharge outlet of the additive pump is connected with an additive pipeline extending to the circulation tank. According to the optimization scheme, the scale inhibitor is added into the circulating tank through the additive pump, the PH value of the scale inhibitor is controlled to be 4-7, so that scaling and blockage of a dust removal pipeline and a dust removal tower nozzle are delayed, the scale inhibitor flows into the settling tank through water circulation after being added into the circulating tank, softening of sludge in the settling tank is facilitated, and the working efficiency of the sludge pump is improved.
Preferably, the sludge treatment device further comprises a flushing pump, a water inlet of the flushing pump is communicated with a flushing water supply pipe, a water outlet of the flushing pump is communicated with the spraying pipeline through a backwashing pipeline, a backwashing valve is arranged on the backwashing pipeline, and a sludge discharge valve which is positioned on one side of the backwashing pipeline close to the sludge outlet end is arranged on the spraying pipeline. This optimization scheme is through setting up the scavenging pump to after the work of sludge pump finishes, close the mud discharge valve, open the back flush valve, the scavenging pump flushes the sparge water to the spray line, flushes spray line and sludge pump to and the pipeline between the two.
The utility model has the advantages that: through the arrangement of the sludge pump and the spraying pipeline, the stainless steel slag is cooled by utilizing the sludge, the cooling water resource is saved, and the sludge is utilized; through the arrangement of the sedimentation tank and the circulating tank, the recycling of the dedusting water is realized, and the dedusting water resource is saved.
Drawings
Fig. 1 is a schematic view of the flow structure of the present invention.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
As shown in figure 1 a stainless steel slag dust removal sewage treatment system, including gas wash tower, sedimentation tank, circulation pond and sludge pump, the dust removal water pipe intercommunication water supply pipe of gas wash tower, the gas wash tower of this embodiment is water gas wash tower, and the dust removal mode is spraying dust removal or water bath dust removal among the prior art, utilizes the combination of dust removal water and flue gas, realizes the purification to the flue gas.
The air inlet of gas wash tower intercommunication stainless steel turns over the smoke and dust pipeline in sediment workshop, and the bottom intercommunication of gas wash tower has the sewage pipes that extends to the sedimentation tank, and after the gas wash tower was purified treatment to the smoke and dust of the stainless steel slag in stainless steel turns over the sediment workshop, the mud that the dust removal water is mixed and is formed a large amount of dust particles gets into the sedimentation tank through sewage pipes, and mud is the layering after the sedimentation in the sedimentation tank, and the upper strata is water, and the lower floor is mud.
The feed inlet of sludge pump is connected with the mud pipe that advances that extends below the sedimentation tank mud face, and the discharge gate of sludge pump is connected with the spray line that extends to turn over in the sediment workshop, and the one end that spray line kept away from the sludge pump is located the top of waiting to cool down stainless steel slag, and the sludge pump during operation is sent the sludge pump to waiting to cool down stainless steel slag on, cools down the pulverization to stainless steel slag to the quantity of cooling water has been practiced thrift.
The circulating tank is communicated with the sedimentation tank through an overflow pipeline, and the upper-layer water in the sedimentation tank flows into the circulating tank through the overflow pipeline. One side of circulation tank still is provided with the circulating pump, and the water inlet of circulating pump is connected with the circulation inlet tube that extends to below the circulation tank liquid level, and the delivery port of circulating pump is through the dust removal water pipe intercommunication of circulation outlet pipe and gas wash tower, sends the water pump in the circulation tank to the gas wash tower through the circulating pump and removes dust, has realized the reuse of dust removal water.
The embodiment also comprises an additive pump, wherein a feed inlet of the additive pump is communicated with the scale inhibitor storage device, and a discharge outlet of the additive pump is connected with an additive pipeline extending to the circulating tank. Adding a scale inhibitor into the circulating tank through an additive pump, and controlling the pH value of liquid in the circulating tank to be 4-7, so that scaling and blockage of a dedusting pipeline and a dedusting tower nozzle are delayed; through water recycling, the scale inhibitor flows to the sedimentation tank, which is beneficial to softening the sludge in the sedimentation tank so as to improve the working efficiency of the sludge pump.
In order to ensure the normal use of the sludge pump, the sludge pump further comprises a flushing pump, a water inlet of the flushing pump is communicated with a flushing water supply pipe, a water outlet of the flushing pump is communicated with the spraying pipeline through a backwashing pipeline, a backwashing valve is arranged on the backwashing pipeline, and a sludge discharge valve which is positioned on one side of the backwashing pipeline close to the sludge outlet end is arranged on the spraying pipeline. And after the sludge pump works, backwashing the sludge pump, the spraying pipeline of the slag turning workshop and the pipeline between the spraying pipeline and the slag turning workshop for 5-50 minutes under the action of the flushing pump.
The dust and dust of stainless steel slag in stainless steel slag turning workshop are purified by the dust removal tower, and then the dust removal water is mixed with a large amount of dust particles and enters the sedimentation tank, and the dust removal water enters the circulating tank after sedimentation in the sedimentation tank and then enters the dust removal tower for dust removal, so that the dust removal water is recycled. When the sludge in the sedimentation tank needs to be treated, the water valve for the slag turning workshop is closed, the pipeline valve communicated with the sludge pump and the slag turning workshop, namely a sludge discharge valve, is opened, then the sludge pump is started, and the water in the sedimentation tank is sent to the slag turning workshop together with the sludge formed by the dust particles for cooling the stainless steel slag. Because the dust is raised from the stainless steel slag in the slag turning workshop, the sewage in the sedimentation tank is used for cooling the stainless steel slag in the slag turning workshop, and the quality of the stainless steel slag cannot be reduced. And after the sludge pump works, opening the back flush valve, flushing the spray nozzle at the tail end of the spray pipeline and the spray pipeline between the spray nozzle and the back flush pipeline, and then closing the sludge discharge valve, and flushing the sludge pump and the spray pipeline.
Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.
Claims (4)
1. The stainless steel slag dedusting sewage treatment system is characterized in that: comprises a dust removal tower, a sedimentation tank and a sludge pump;
an air inlet of the dust removal tower is communicated with a smoke pipeline of the stainless steel slag turning workshop, and the bottom of the dust removal tower is communicated with a sewage discharge pipeline extending to the sedimentation tank;
the feed inlet of the sludge pump is connected with a sludge inlet pipe extending to the lower part of the sludge surface of the sedimentation tank, the discharge outlet of the sludge pump is connected with a spray pipeline extending to the slag turning workshop, and one end of the spray pipeline, which is far away from the sludge pump, is positioned above the stainless steel slag to be cooled.
2. The stainless steel slag dedusting sewage treatment system according to claim 1, which is characterized in that: the device is characterized by further comprising a circulating tank and a circulating pump, wherein the circulating tank is communicated with the sedimentation tank through an overflow pipeline, a water inlet of the circulating pump is connected with a circulating water inlet pipe extending to the position below the liquid level of the circulating tank, and a water outlet of the circulating pump is communicated with a dedusting water pipe of the dedusting tower through a circulating water outlet pipe.
3. The stainless steel slag dedusting sewage treatment system according to claim 2, which is characterized in that: the scale inhibitor storage device is communicated with a feed inlet of the additive pump, and a discharge outlet of the additive pump is connected with an additive pipeline extending to the circulation tank.
4. The stainless steel slag dedusting sewage treatment system according to claim 1, which is characterized in that: the sludge treatment device is characterized by further comprising a flushing pump, wherein a water inlet of the flushing pump is communicated with a flushing water supply pipe, a water outlet of the flushing pump is communicated with the spraying pipeline through a backwashing pipeline, a backwashing valve is arranged on the backwashing pipeline, and a sludge discharge valve which is positioned on one side, close to the sludge outlet end, of the backwashing pipeline is arranged on the spraying pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120502127.9U CN214457366U (en) | 2021-03-10 | 2021-03-10 | Stainless steel slag dust removal sewage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120502127.9U CN214457366U (en) | 2021-03-10 | 2021-03-10 | Stainless steel slag dust removal sewage treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214457366U true CN214457366U (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120502127.9U Active CN214457366U (en) | 2021-03-10 | 2021-03-10 | Stainless steel slag dust removal sewage treatment system |
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| CN (1) | CN214457366U (en) |
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2021
- 2021-03-10 CN CN202120502127.9U patent/CN214457366U/en active Active
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