Return water treatment system for gum dipping sewage

Abstract

The utility model discloses a gum dipping sewage return water treatment system which comprises a pretreatment system, a deep treatment system and a waste gas treatment system, an inlet of the pretreatment system is connected with a sewage adjusting tank through a first pipeline, and an outlet of the pretreatment system is respectively connected with the deep treatment system and the waste gas treatment system through a second pipeline and a third pipeline. A water outlet of the waste gas treatment system is connected to the first pipeline through a fourth pipeline. By arranging the sewage pretreatment system and the deep treatment system, large-particle precipitates in sewage are firstly removed through pretreatment, cement is rapidly separated, a clear water body is obtained in one step, part of the pretreated sewage is discharged to the waste gas treatment system to be used for spraying oil smoke, and then the sewage generated by waste gas treatment is pretreated again; the overall sewage discharge amount is reduced, and water resources are saved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to sewage treatment technical field, and specifically relates to impregnated sewage backwater treatment system. BACKGROUND

[0002] Impregnated wire rope production process can produce waste water and waste gas, and the waste water and waste gas contain various pollutants, such as sizing material, oil and the like, and if these pollutants are directly discharged without treatment, serious pollution to the environment will be caused. At present, the treatment mode of these waste water and waste gas is as follows: waste water is discharged into a sedimentation cylinder for sedimentation, then is added with a medicine for flocculation and neutralization, and then is filtered for mud-water separation, and the treatment cycle is generally 7-10 days, the cycle is relatively long, the normal production is affected, and the BOD and COD content of treated sewage is still relatively high, and the effect is poor. The treatment mode of waste gas is as follows: first, large particles in oil fume are sprayed and adsorbed by using clean water, then oil vapor is separated by using a high-voltage electrostatic field, and finally, multi-stage adsorption is carried out by using activated carbon, and the waste gas treatment efficiency is relatively high, but the water consumption and sewage discharge amount are increased. The burden of sewage treatment system is increased. CONTENT OF THE UTILITY MODEL

[0003] In order to solve the above technical problems, the utility model provides an impregnated sewage backwater treatment system.

[0004] The technical scheme adopted by the utility model is that the impregnated sewage backwater treatment system comprises a pretreatment system, a deep treatment system and a waste gas treatment system, the inlet of the pretreatment system is connected to a sewage adjusting tank through a first pipeline, the outlet of the pretreatment system is connected to the deep treatment system and the waste gas treatment system through a second pipeline and a third pipeline respectively, and the drain outlet of the waste gas treatment system is connected to the first pipeline through a fourth pipeline.

[0005] Preferably, the pretreatment system comprises a sedimentation tank, the outlet of the sedimentation tank is connected to the inlet of a first-stage stirring cylinder through a pipeline, the water outlet of the first-stage stirring cylinder is connected to a first-stage flocculation tank through a pipeline, the water outlet of the first-stage flocculation tank is connected to a first-stage reaction tank through a pipeline, and the sludge outlet of the first-stage reaction tank is connected to a plate-and-frame filter press through a pipeline.

[0006] Preferably, the deep treatment system comprises a second-stage stirring cylinder, the water outlet of the second-stage stirring cylinder is connected to a coagulation tank through a pipeline, the water outlet of the coagulation tank is connected to a second-stage flocculation tank through a pipeline, the water outlet of the second-stage flocculation tank is connected to a second-stage reaction tank through a pipeline, the water outlet of the second-stage reaction tank is connected to a Fenton reaction tank through a pipeline, the water outlet of the Fenton reaction tank is connected to a drain tank, and the water outlet of the first-stage reaction tank is connected to the second-stage stirring cylinder through a pipeline.

[0007] Preferably, the first-stage stirring cylinder is provided with at least two, and the pipelines of the water outlets of the sedimentation tank are connected to the two first-stage stirring cylinders respectively, and the water outlets of the two first-stage stirring cylinders are connected to the first-stage flocculation tank respectively.

[0008] Preferably, a plurality of water taps are vertically spaced on the primary stirring barrel, and the plurality of water taps are staggered.

[0009] Preferably, the water outlet of the plate-and-frame filter press is connected to the primary flocculation tank through a pipeline.

[0010] Preferably, the primary stirring barrel is further connected to a filter tank through a pipeline, a pneumatic sludge discharge valve is arranged at the head end of the pipeline, the filter tank is connected to the primary flocculation tank at the water outlet, and the filter tank is connected to the plate-and-frame filter press at the sludge outlet.

[0011] Preferably, the waste gas treatment system comprises a spraying system, an electrostatic oil removal system and an adsorption system, the spraying system comprises a spraying box body, a spraying pipeline is arranged at the top of the spraying box body, the spraying pipeline is connected to a water tank, a water groove is arranged at the bottom of the spraying box body, a filter plate is arranged at the top end of the water groove, the water groove is connected to a drain pipe, the water inlet of the water tank is connected to the water outlet of the primary reaction tank through a third pipeline, and the drain pipe is connected to a fourth pipeline.

[0012] Compared with the prior art, the sewage pretreatment system and the deep treatment system are arranged, large particles in the sewage are removed through pretreatment, and the cement is separated quickly, clear water is obtained in the first step, part of the pretreated sewage is discharged to the waste gas treatment system for spraying oil fume, and the sewage generated by the waste gas treatment is pretreated again, so that the total sewage discharge amount is reduced, and water resources are saved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 A layout schematic diagram of the glue dipping sewage backwater treatment system is shown in the figure.

[0014] Fig. 2 A layout schematic diagram of the sewage treatment system is shown in the figure.

[0015] Fig. 3 A front view of the primary stirring barrel is shown in the figure. DETAILED DESCRIPTION

[0016] The utility model will be further explained in combination with the drawings of the specification, so as to make the person skilled in the art better understand.

[0017] Example 1

[0018] As Figs. 1-3As shown, the glue dipping wastewater treatment system comprises a pretreatment system 100, a deep treatment system 200 and a waste gas treatment system 300. The inlet of the pretreatment system 100 is connected to a wastewater conditioning tank 400 through a first pipeline 500. The outlet of the pretreatment system 100 is connected to the deep treatment system 200 and the waste gas treatment system 300 through a second pipeline 600 and a third pipeline 700 respectively. The drain of the waste gas treatment system 300 is connected to the first pipeline 500 through a fourth pipeline 800. By setting the wastewater pretreatment system 100 and the deep treatment system 200, the large particles in the wastewater are removed first, and the cement is separated quickly, so that clear water is obtained first. Part of the pretreated wastewater is discharged to the waste gas treatment system 300 for spraying oil fume, and the wastewater generated by the waste gas treatment is pretreated again, thereby reducing the overall wastewater discharge and saving water resources.

[0019] The pretreatment system 100 comprises a sedimentation tank 101. The outlet of the sedimentation tank 101 is connected to the inlet of a first stirring drum 102 through a pipeline. The water outlet of the first stirring drum 102 is connected to a first flocculation tank 103 through a pipeline. The water outlet of the first flocculation tank 103 is connected to a first reaction tank 104 through a pipeline. The sludge outlet of the first reaction tank 104 is connected to a plate-and-frame filter press 105 through a pipeline.

[0020] The water outlet of the plate-and-frame filter press 105 is connected to the first flocculation tank 103, so that the water obtained by pressure filtration is further treated. The sludge generated by the plate-and-frame filter press 105 is transported out. The first stirring drum 102 is provided with at least two as a backup to ensure the sedimentation time. The pipeline connected to the water outlet of the sedimentation tank 101 is connected to the two first stirring drums 102 respectively. The water outlets of the two first stirring drums 102 are connected to the first flocculation tank 103 respectively.

[0021] In order to facilitate sampling and detection, and to determine the depth of clear water, a plurality of water taps 1021 are vertically and spaced apart on the first stirring drum 102. The plurality of water taps 1021 are staggered.

[0022] Since a large amount of sediment is generated in the first stirring drum 102, the first stirring drum 102 is further connected to a filter tank 106 through a pipeline. A pneumatic sludge discharge valve is arranged at the head end of the pipeline for discharging the sediment. The water outlet of the filter tank 106 is connected to the first flocculation tank 103. The sludge outlet of the filter tank 106 is connected to the plate-and-frame filter press 105 for directly extruding the sludge.

[0023] The deep treatment system 200 comprises a secondary stirring barrel 201, a water outlet of the secondary stirring barrel 201 is connected to a coagulation tank 202 through a pipeline, a water outlet of the coagulation tank 202 is connected to a secondary flocculation tank 203 through a pipeline, a water outlet of the secondary flocculation tank 203 is connected to a secondary reaction tank 204 through a pipeline, a water outlet of the secondary reaction tank 204 is connected to a Fenton reaction tank 205 through a pipeline, and a water outlet of the Fenton reaction tank 205 is communicated to a drainage tank 206.

[0024] The water outlet of the primary reaction tank 100 is connected to the secondary stirring barrel 201 through a pipeline, and the pretreated sewage is subjected to deep treatment.

[0025] The sewage in the workshop is pumped to the sedimentation tank 101 for sedimentation, and then the water body is pumped into the primary stirring barrel 102 for dosing reaction (polymeric ferric sulfate) and stirring, and after sedimentation and stratification, the water body is continuously pumped into the primary flocculation tank 103 for PAM flocculation, and then into the primary reaction tank 104 for NaOH neutralization, and the clear water after reaction enters the secondary stirring barrel 201, and the sludge is discharged to the plate and frame filter press 105 for extrusion to obtain sludge and water.

[0026] The secondary stirring barrel 201 is subjected to dosing reaction (polymeric ferric sulfate) and stirring, the water body is pumped into the coagulation tank 202 for PAC coagulation, and then into the secondary flocculation tank 203 for PAM flocculation, and then discharged to the secondary reaction tank 204 for NAOH neutralization, and finally discharged to the Fenton reaction tank 205 for hydrogen peroxide reaction, and the sewage treatment is completed and discharged to the drainage tank 206 for discharge.

[0027] The sewage is pretreated to remove large particles and separate cement quickly, which is beneficial to further removal of small particles in the water body in subsequent deep treatment, and the whole process is beneficial to accelerating the biochemical reaction of sewage treatment, saving sewage treatment time, shortening the cycle to 3-5 days, and reducing the BOD and COD content in the treated sewage by 20-30% compared with the prior art, and the treatment effect is better.

[0028] The waste gas treatment system 300 comprises a spraying system, an electrostatic oil removal system and an adsorption system, a flue is connected to an inlet of the spraying system, oil fume is introduced into the spraying system, an outlet of the spraying system is connected to an inlet of the electrostatic oil removal system through a flue, and an outlet of the electrostatic oil removal system is connected to an inlet of the adsorption system through a flue. The spraying system comprises a spraying box body, a spraying pipeline is arranged at the top of the spraying box body, the spraying pipeline is connected to a water tank, a water tank is arranged at the bottom of the spraying box body, a filter plate is arranged at the top end of the water tank, the water tank is connected to a drain pipe, a water inlet of the water tank is connected to the water outlet of the primary reaction tank 104 through a third pipeline 700, and the drain pipe is connected to a fourth pipeline 800.

[0029] The above-described embodiments are merely preferred embodiments of the present application, and are not intended to limit the scope of the present application. Without departing from the design spirit and principles of the present application, various modifications and improvements to the technical solutions of the present application made by those skilled in the art shall fall within the protection scope of the present application as defined by the claims.

Claims

1. A sizing wastewater backwater treatment system, characterized by, The application relates to a sewage treatment system, which comprises a pretreatment system (100), a deep treatment system (200) and a waste gas treatment system (300), wherein the inlet of the pretreatment system (100) is connected to a sewage adjusting tank (400) through a first pipeline (500), the outlet of the pretreatment system (100) is connected to the deep treatment system (200) and the waste gas treatment system (300) through a second pipeline (600) and a third pipeline (700) respectively, and the water outlet of the waste gas treatment system (300) is connected to the first pipeline (500) through a fourth pipeline (800).

2. The impregnation wastewater treatment system according to claim 1, wherein The pretreatment system (100) comprises a sedimentation tank (101), the outlet of the sedimentation tank (101) is connected to the inlet of a primary stirring drum (102) through a pipeline, the water outlet of the primary stirring drum (102) is connected to the inlet of a primary flocculation tank (103) through a pipeline, the water outlet of the primary flocculation tank (103) is connected to the inlet of a primary reaction tank (104) through a pipeline, and the sludge outlet of the primary reaction tank (104) is connected to a plate-and-frame filter press (105) through a pipeline.

3. The impregnation wastewater treatment system according to claim 2, wherein The deep treatment system (200) comprises a secondary stirring drum (201), the water outlet of the secondary stirring drum (201) is connected to the inlet of a coagulation tank (202) through a pipeline, the water outlet of the coagulation tank (202) is connected to the inlet of a secondary flocculation tank (203) through a pipeline, the water outlet of the secondary flocculation tank (203) is connected to the inlet of a secondary reaction tank (204) through a pipeline, the water outlet of the secondary reaction tank (204) is connected to the inlet of a Fenton reaction tank (205) through a pipeline, the water outlet of the Fenton reaction tank (205) is connected to the inlet of a drainage tank (206), and the water outlet of the primary reaction tank (104) is connected to the secondary stirring drum (201) through a pipeline.

4. The impregnation wastewater treatment system according to claim 2, wherein The primary stirring drum (102) is provided with at least two, the pipelines of the water outlets of the sedimentation tank (101) are connected to the two primary stirring drums (102) respectively, and the water outlets of the two primary stirring drums (102) are connected to the primary flocculation tank respectively.

5. The impregnation wastewater treatment system according to claim 2, wherein A plurality of water taps (1021) are vertically and spacedly arranged on the primary stirring drum (102), and the water taps (1021) are staggered.

6. The impregnation wastewater treatment system according to claim 2, wherein The water outlet of the plate-and-frame filter press (105) is connected to the primary flocculation tank (103) through a pipeline.

7. The impregnation wastewater treatment system according to claim 2, wherein The primary stirring drum (102) is further connected to a filter tank (106) through a pipeline, the head end of the pipeline is provided with a pneumatic sludge discharge valve, the water outlet of the filter tank (106) is connected to the primary flocculation tank (103), and the sludge outlet of the filter tank (106) is connected to the plate-and-frame filter press (105).

8. The impregnation wastewater treatment system according to claim 2, wherein The waste gas treatment system (300) comprises a spraying system, an electrostatic oil removal system and an adsorption system, the spraying system comprises a spraying box body, the top of the spraying box body is provided with a spraying pipeline, the spraying pipeline is connected to a water tank, a water tank is arranged at the bottom of the spraying box body, the top of the water tank is provided with a filter plate, the water tank is connected to a drain pipe, the water inlet of the water tank is connected to the water outlet of the primary reaction tank (104) through the third pipeline (700), and the drain pipe is connected to the fourth pipeline (800).

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