CN211770698U - Wastewater zero-discharge pretreatment integrated purification equipment in steel industry - Google Patents
Wastewater zero-discharge pretreatment integrated purification equipment in steel industry Download PDFInfo
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- CN211770698U CN211770698U CN202020036315.2U CN202020036315U CN211770698U CN 211770698 U CN211770698 U CN 211770698U CN 202020036315 U CN202020036315 U CN 202020036315U CN 211770698 U CN211770698 U CN 211770698U
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Abstract
The utility model relates to a zero release preliminary treatment integration clarification plant of steel industry waste water, it includes full steel body, full steel body divide into lime in proper order and softens precipitation zone, channeling flocculation district, high density pipe chute precipitation zone, full automatic filtration district lime softens precipitation zone one side lateral wall and is equipped with the water inlet full automatic filtration district lateral wall is equipped with the delivery port. The utility model discloses area is little, and the running cost is low, and the time limit for a project is short, and the treatment effect is good.
Description
Technical Field
The utility model belongs to the waste water treatment field, concretely relates to waste water zero release preliminary treatment integration clarification plant.
Background
At present, wastewater in the iron and iron industry comes from sewage of different workshops and different processes, and the water quantity is large. The multiple wastewater purification devices are required to be matched for use, the manufacturing cost is high, the occupied area is large, the production period is long, and the maintenance and overhaul are complicated.
Disclosure of Invention
The purpose of the invention is as follows: the utility model aims at overcoming the defects in the prior art, providing a steel industry wastewater zero discharge pretreatment integrated purifying equipment which has the advantages of small occupied area, low operation cost, short construction period and good treatment effect.
The technical scheme is as follows: in order to solve the technical problem, the integrated purification device for zero discharge pretreatment of wastewater in the steel industry comprises a full steel body which is sequentially divided into a lime softening sedimentation area, a channeling flocculation area, a high-density inclined tube sedimentation area and a full automatic filtration area, wherein a water inlet is arranged on the side wall of one side of the lime softening sedimentation area, a water outlet is arranged on the side wall of the full automatic filtration area, a baffle is arranged in the lime softening sedimentation area close to the water inlet, the lower part of the baffle is spaced from the bottom of the lime softening sedimentation area, a water distribution area is formed between one side of the baffle and the side wall of one side of the lime softening sedimentation area, a suspension type central transmission mud scraper is arranged on the lime softening sedimentation area at the other side of the baffle, and a coarse particle filter layer is arranged between the lower part of the other side of the baffle and the side wall of the other side, a water collecting tank I is arranged on the upper part of the other side wall of the lime softening and settling area, the channeling flocculation area is divided into a first reaction unit, a second reaction unit, a third reaction unit and a pulse buffering and transition unit, a stainless steel micro vortex folded plate flocculation packing layer I is arranged in the first reaction unit, a stainless steel micro vortex folded plate flocculation packing layer II is arranged in the second reaction unit, a stainless steel micro vortex folded plate flocculation packing layer III is arranged in the third reaction unit, an ethylene-propylene copolymerization high-efficiency composite inclined plate is arranged on the middle upper part in the high-density inclined tube settling area, a uniform perforated water collecting tank is arranged above the ethylene-propylene copolymerization high-efficiency composite inclined plate and is connected with the water collecting tank II, the water collecting tank II is connected with a high-position water distribution hopper in a full-automatic filtering area, a water inlet pipeline is arranged at the bottom of the high-position water distribution hopper, a rare earth ball filtering material layer is arranged in the full-automatic filtering area, and a partition plate is arranged above the upper port of the water inlet pipeline, a siphon component is arranged on the partition plate, and sludge discharge holes are formed in the bottom of the channeling flocculation area and the bottom of the high-density inclined tube settling area.
The cross section of the all-steel body is rectangular.
The lime softening and settling zone, the channeling flocculation zone, the high-density inclined tube settling zone and the full-automatic filtering zone are communicated with each other.
The first reaction unit, the second reaction unit, the third reaction unit and the pulse buffer transition unit are communicated with each other.
The water collecting grooves with the uniform holes are arranged side by side.
And the mutual side parts of the full-automatic filtering area are provided with an inspection manhole.
The suspended central transmission mud scraper is arranged in the middle of the lime softening and precipitating area.
The working principle of the utility model is as follows:
precipitation of coarse particles and softening by a double alkali method:
removing settleable impurities in raw water, adding dibasic to remove hardness in water and reduce alkalinity in water.
A channeling flocculation section adopts a multi-grid vertical flow type, and is divided into 3 stages of 15 vertical shafts, and the sizes of the planes of the vertical shafts are 1000mm respectively2、12000mm2、15000mm2The corresponding shaft flow rates are 0.108m/s, 0.075m/s and 0.048m/s respectively, and the flocculation time is designed to be about 15.0 min. A stainless steel micro-vortex folded plate is arranged in the shaft, a V-shaped gravity sludge discharge groove and a porous sludge discharge pipe are arranged at the bottom of the shaft, and each sludge discharge pipe is provided with 1 manual valve and 1 electric valve.
③ inclined plate sedimentation section: the ethylene-propylene copolymerization high-efficiency composite inclined plate is installed, the liquid level load is designed to be 3.40m3/m2 h, the ascending flow rate is designed to be 1.5mm/s, the upper part of the plate is provided with a uniform perforated water collecting tank, the bottom of the plate is provided with a V-shaped gravity sludge discharge tank and porous sludge discharge pipes, and each sludge discharge pipe is provided with 2 manual and electric valves (adopting a bidirectional sludge discharge mode).
Fourthly, full-automatic static pressure filtration
The full-automatic static pressure filtration is divided into 3 grids (the upper washing water tank is not divided into grids), the head loss before washing is 1.5m, the normal filtration speed is 8-10m/h, the average washing intensity is 14.0L/m2 & s, and the washing duration is 4.0 min.
Has the advantages that: compared with the prior art, the utility model, it is showing the advantage and is: the utility model discloses soften the precipitation zone with lime, the cross flow flocculation district, the high density pipe chute precipitation zone, full automatic filtration district is integrated in an organic whole, make compact structure, area is little, set up the purification unit in each district, operate steadily reliably, the processing water yield is big, water resistance load impact performance is good, whole treatment is effectual, at the cross flow flocculation district, the high density pipe chute precipitation zone, full automatic filtration district bottom all is equipped with the mud discharging hole, the mud discharging is thorough, adopt full steel body, more save ground than original high density pond + V type filtering pond, the running cost is low, the time limit for a project is short.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic plan view of the partition of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in figures 1 and 2, the integrated purification device for zero discharge pretreatment of wastewater in steel industry of the utility model comprises a full steel body 1, the cross section of which is rectangular, the full steel body 1 is divided into a lime softening and settling zone 2, a channeling flocculation zone 3, a high-density inclined tube settling zone 4 and a full automatic filtration zone 5 in sequence, the lime softening and settling zone 2 is provided with a water inlet 6 on one side wall, the full automatic filtration zone 5 is provided with a water outlet 7 on the side wall, a baffle 8 is arranged in the lime softening and settling zone 2 near the water inlet 6, the lower part of the baffle 8 is spaced from the bottom of the lime softening and settling zone 2, a water distribution zone 9 is formed between one side of the baffle 8 and the side wall of the lime softening and settling zone 2, and a central suspension type transmission mud scraper 10 is arranged on the lime softening and settling zone 2 on the other side of the baffle 8, a coarse particle filter layer 11 is arranged between the lower part of the other side of the baffle 8 and the side wall of the other side of the lime softening and settling zone 2, a water collecting tank I12 is arranged on the upper part of the side wall of the other side of the lime softening and settling zone 2, the suspension type central transmission mud scraper 10 is arranged in the middle of the lime softening and settling zone 2, the channeling flocculation zone 3 is divided into a first reaction unit 13, a second reaction unit 14, a third reaction unit 15 and a pulse buffer transition unit 16 which are communicated with each other, a stainless steel micro-vortex folded plate flocculation packing layer I17 is arranged in the first reaction unit 13, a stainless steel micro-vortex folded plate flocculation packing layer II 18 is arranged in the second reaction unit 14, a stainless steel micro-vortex folded plate flocculation packing layer III is arranged in the third reaction unit 15, an ethylene-propylene copolymerization high-efficiency composite inclined plate 20 is arranged at the middle upper part in the high-density inclined tube settling zone 4, a plurality of uniform perforated water collecting tanks 21 are, they link to each other with water catch bowl II 22, water catch bowl II 22 links to each other with high-order water distribution fill 23 in the full automatic filtration district 5, high-order water distribution fill 23 bottom is equipped with inlet channel 24 be equipped with tombarthite porcelain ball filter bed 25 in the full automatic filtration district 5 of inlet channel 24 upper end below be equipped with division board 26 above the inlet channel 24 upper end be equipped with siphon subassembly 27 on the division board 26 the crossflow flocculation district 3, high density pipe chute settling zone 4 bottom all are equipped with mud discharge hole 28 the mutual lateral part in full automatic filtration district 5 is equipped with overhauls manhole 29. The utility model discloses soften the precipitation zone with lime, the cross flow flocculation district, the high density pipe chute precipitation zone, full automatic filtration district is integrated in an organic whole, make compact structure, area is little, set up the purification unit in each district, operate steadily reliably, the processing water yield is big, water resistance load impact performance is good, whole treatment is effectual, at the cross flow flocculation district, the high density pipe chute precipitation zone, full automatic filtration district bottom all is equipped with the mud discharging hole, the mud discharging is thorough, adopt full steel body, more save ground than original high density pond + V type filtering pond, the running cost is low, the time limit for a project is short.
The utility model provides a thinking and method, the method and the way of specifically realizing this technical scheme are many, above only the utility model discloses a preferred embodiment should point out, to the ordinary technical personnel in this technical field, not deviating from the utility model discloses under the prerequisite of principle, can also make a plurality of improvements and moist decorations, these improvements should also be regarded as the utility model discloses a protection range, each component that does not make clear and definite in this embodiment all can be realized with prior art.
Claims (7)
1. Zero release preliminary treatment integration clarification plant of steel industry waste water, its characterized in that: it includes full steel body (1), full steel body (1) divide into lime in proper order and softens sedimentation zone (2), cross flow flocculation district (3), high density pipe chute sedimentation zone (4), full automatic filtration district (5) lime softens sedimentation zone (2) one side lateral wall and is equipped with water inlet (6) full automatic filtration district (5) lateral wall is equipped with delivery port (7), is being close to be equipped with baffle (8) in lime softening sedimentation zone (2) of water inlet (6), this baffle (8) lower part and lime soften sedimentation zone (2) bottom and leave the interval, form water distribution district (9) between baffle (8) one side and the lime softening sedimentation zone (2) one side lateral wall be equipped with suspension type central transmission mud scraper (10) on lime softening sedimentation zone (2) of baffle (8) opposite side be equipped with coarse grain filter layer (11) between baffle (8) opposite side lower part and lime softening sedimentation zone (2) opposite side lateral wall ) A water collecting tank I (12) is arranged on the upper portion of the side wall on the other side of the lime softening and settling zone (2), the channeling flocculation zone (3) is divided into a first reaction unit (13), a second reaction unit (14), a third reaction unit (15) and a pulse buffering transition unit (16), a stainless steel micro vortex folded plate flocculation packing layer I (17) is arranged in the first reaction unit (13), a stainless steel micro vortex folded plate flocculation packing layer II (18) is arranged in the second reaction unit (14), a stainless steel micro vortex folded plate flocculation packing layer III (19) is arranged in the third reaction unit (15), an ethylene-propylene copolymerization high-efficiency composite inclined plate (20) is arranged on the middle upper portion in the high-density inclined tube settling zone (4), an even perforation water collecting tank (21) is arranged above the ethylene-propylene copolymerization high-efficiency composite inclined plate (20) and is connected with the water collecting tank II (22), high-order water bucket (23) of joining in marriage in water catch bowl II (22) and full automatic filtration district (5) link to each other, high-order water bucket (23) bottom of joining in marriage is equipped with inlet channel (24) be equipped with tombarthite porcelain ball filtering material layer (25) in full automatic filtration district (5) of inlet channel (24) upper end mouth below inlet channel (24) upper end mouth top is equipped with division board (26) be equipped with siphon subassembly (27) on division board (26) the crossflow flocculation district (3), high density pipe chute settling zone (4) bottom all are equipped with mud hole (28).
2. The steel industry wastewater zero discharge pretreatment integrated purification equipment of claim 1, which is characterized in that: the cross section of the all-steel body (1) is rectangular.
3. The steel industry wastewater zero discharge pretreatment integrated purification equipment of claim 1, which is characterized in that: the lime softening and precipitating area (2), the channeling flocculation area (3), the high-density inclined tube precipitating area (4) and the full-automatic filtering area (5) are communicated with each other.
4. The steel industry wastewater zero discharge pretreatment integrated purification equipment of claim 1, which is characterized in that: the first reaction unit (13), the second reaction unit (14), the third reaction unit (15) and the pulse buffer transition unit (16) are communicated with each other.
5. The steel industry wastewater zero discharge pretreatment integrated purification equipment of claim 1, which is characterized in that: the uniformly perforated water collecting grooves (21) are arranged in parallel.
6. The steel industry wastewater zero discharge pretreatment integrated purification equipment of claim 1, which is characterized in that: and the side parts of the full-automatic filtering area (5) are provided with an inspection manhole (29).
7. The steel industry wastewater zero discharge pretreatment integrated purification equipment of claim 1, which is characterized in that: the suspended central transmission mud scraper (10) is arranged in the middle of the lime softening and settling area (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020036315.2U CN211770698U (en) | 2020-01-09 | 2020-01-09 | Wastewater zero-discharge pretreatment integrated purification equipment in steel industry |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020036315.2U CN211770698U (en) | 2020-01-09 | 2020-01-09 | Wastewater zero-discharge pretreatment integrated purification equipment in steel industry |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111072184A (en) * | 2020-01-09 | 2020-04-28 | 江苏环球环境工程集团有限公司 | Wastewater zero-discharge pretreatment integrated purification equipment in steel industry |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111072184A (en) * | 2020-01-09 | 2020-04-28 | 江苏环球环境工程集团有限公司 | Wastewater zero-discharge pretreatment integrated purification equipment in steel industry |
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