Glue washing wastewater pretreatment device

Abstract

The utility model discloses a glue washing wastewater pretreatment device which comprises a cylinder body, the bottom of the cylinder body is communicated with a mud bucket, the bottom of the mud bucket is communicated with a mud discharge port, the cylinder body is communicated with a water inlet pipe, the inside of the cylinder body is fixedly connected with a rotational flow cylinder, the water inlet pipe is communicated with the rotational flow cylinder along the tangential direction of the outer wall of the rotational flow cylinder, and the water inlet pipe is communicated with the water inlet pipe. A water baffle is mounted at the bottom of the cyclone cylinder; when the sewage treatment device is used, wastewater is mixed with a flocculating agent through the water inlet pipe and then enters the rotational flow cylinder to form rotational flow, so that large-particle suspended matters are settled to the sludge concentration area and are discharged, the wastewater ascends and flows through the inclined tube filler to intercept the suspended matters, then the wastewater is mixed with ozone bubbles in the separation area, and the bubbles adsorb pollutants and float to the top of the cylinder body; the treated water is discharged through the clear water area and the water outlet, so that efficient pretreatment or deep treatment is realized, and the effluent quality is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to wastewater treatment technical field, specifically, relate to a kind of washing glue wastewater pretreatment device. BACKGROUND

[0002] Washing glue wastewater is mainly generated in the middle stage of cigarette manufacturing, and is the discharge after the use of adhesive (such as white glue) in the production process. These adhesives are used for the processes of bonding and packaging of cigarettes, and are finally discharged with wastewater. The washing glue wastewater is usually white and turbid, because it contains a large amount of suspended solids and colloidal substances. This situation can only gradually recover after a long period of time. If the concentration of the discharged water is monitored at this time, it will exceed the discharge standard. Therefore, in cigarette factories, washing glue wastewater is required to be pretreated before being discharged to the plant sewage treatment station, so as to reduce the difficulty of wastewater treatment.

[0003] However, in the conventional pretreatment of washing glue wastewater, a large number of microorganisms in the sludge are often killed, resulting in a decrease in treatment effect and an increase in sludge. In addition, the chemical oxygen demand (COD) of the wastewater is relatively high, generally around 2000 mg / L, indicating that the organic matter content is rich. In addition to the components of the adhesive itself, the wastewater may also contain other impurities brought in during the production process, such as tobacco fragments and microorganisms. These components increase the difficulty of wastewater treatment. SUMMARY

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art.

[0005] To this end, one object of the utility model is to provide a washing glue wastewater pretreatment device. The washing glue wastewater pretreatment device has good pretreatment effect on washing glue wastewater, and can be used for pretreatment of high-concentration, high-color, difficult-to-biodegrade wastewater, washing glue wastewater and oil-containing wastewater, and can also be used for advanced treatment to further improve the water quality.

[0006] To achieve the above-mentioned object, the utility model provides the following technical scheme: a washing glue wastewater pretreatment device, comprising a cylinder, a hopper is communicated with the bottom of the cylinder, a sludge discharge port is communicated with the bottom of the hopper, a water inlet pipe is communicated with the cylinder, a cyclone cylinder is fixedly connected inside the cylinder, the water inlet pipe is communicated with the cyclone cylinder in the tangential direction of the outer wall of the cyclone cylinder, a water baffle is installed at the bottom of the cyclone cylinder, a micro-nano bubble releaser is arranged on the top of the water baffle, an ozone inlet pipe is communicated with the air inlet of the micro-nano bubble releaser, one end of the ozone inlet pipe penetrates the cylinder, the top of the micro-nano bubble releaser and the inside of the cyclone cylinder are a separation zone, an inclined pipe filler is installed between the outer wall of the cyclone cylinder and the inner wall of the cylinder, the top of the inclined pipe filler is a clear water zone, a water outlet penetrates the cylinder, the water outlet is communicated with the clear water zone, and the internal cavity of the hopper is a sludge concentration zone.

[0007] Preferably, a base is mounted on the top of the cylinder body, a slag scraper is mounted on the base, a slag scraping plate is mounted on the slag scraper through a connecting shaft, and a scum groove is mounted on the top of the cylinder body.

[0008] Preferably, a slag discharge pipe is communicated with the bottom of the scum groove, and one end of the slag discharge pipe penetrates through the cylinder body.

[0009] Preferably, a pipeline mixer is communicated with the end of the water inlet pipe away from the cyclone cylinder.

[0010] Preferably, a dosing opening is arranged on the pipeline mixer.

[0011] Preferably, support legs are mounted on the outer wall of the hopper.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: wastewater is mixed with flocculants through the water inlet pipe and then enters the cyclone cylinder, the cyclone is formed to make large-particle suspended matters to settle in the sludge concentration area and be discharged, the wastewater rises and passes through the inclined pipe filler to intercept the suspended matters, then the sewage is mixed with ozone bubbles in the separation area, the bubbles adsorb the pollutants and float to the top of the cylinder body, the treated water is discharged through the clear water area and the water outlet, the high-efficiency pretreatment or deep treatment is realized, and the water quality of the outlet water is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structure schematic view of the rubber washing wastewater pretreatment device of the utility model embodiment.

[0014] Figure 2 It is a top view structure schematic view of the rubber washing wastewater pretreatment device of the utility model embodiment.

[0015] In the drawing: 1, cylinder body; 2, hopper; 3, support leg; 4, water inlet pipe; 5, water outlet; 6, cyclone cylinder; 7, ozone inlet pipe; 8, micro-nano bubble releaser; 9, water baffle; 10, separation area; 11, inclined pipe filler; 12, clear water area; 13, scum groove; 14, slag discharge pipe; 15, pipeline mixer; 16, dosing opening; 17, slag scraping plate; 18, slag scraper; 19, connecting shaft; 20, base; 21, sludge concentration area; 22, sludge discharge opening. DETAILED DESCRIPTION

[0016] The technical scheme in the utility model embodiments will be described clearly and completely below in combination with the drawings in the utility model embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0017] Please refer to Figure 1 The embodiment of the utility model provides a kind of washing rubber waste water pretreatment device, comprising: barrel 1 and hopper 2.

[0018] In the embodiment, as shown in Figures 1-2 Hopper 2 is communicated at the bottom of barrel 1, the bottom of hopper 2 is communicated with sludge discharge port 22, water inlet pipe 4 is communicated on barrel 1, rotating flow cylinder 6 is fixedly connected inside barrel 1, water inlet pipe 4 is communicated with rotating flow cylinder 6 in tangent direction along the outer wall of rotating flow cylinder 6, and the internal cavity area of hopper 2 is sludge concentration area 21.

[0019] When using, waste water is mixed with flocculating agent when passing through water inlet pipe 4, small particle suspensions are gradually formed into large flocs under the action of flocculating agent, and demulsification is realized at the same time, and waste water enters rotating flow cylinder 6 through tangent direction through water inlet pipe 4, and waste water forms rotating flow in rotating flow cylinder 6, and under the action of centrifugal force and downward rotation, large particles of suspended matter in waste water are thrown to the inner wall of rotating flow cylinder 6, and sink to sludge concentration area 21 along the inner wall under gravity.

[0020] Specifically, inclined pipe filler 11 is installed between the outer wall of rotating flow cylinder 6 and the inner wall of barrel 1, the top of inclined pipe filler 11 is clear water area 12, water outlet 5 is penetrated on barrel 1, and water outlet 5 is communicated with clear water area 12, due to the flow of waste water, a small amount of suspended matter in part of waste water entering sludge concentration area 21 flows upward, is intercepted after passing through inclined pipe filler 11 and sinks to sludge concentration area 21, and the moisture content of sludge can be reduced after concentration in sludge concentration area 21, and is discharged through sludge discharge port 22.

[0021] Further, water baffle 9 is installed at the bottom of rotating flow cylinder 6, micro-nano bubble releaser 8 is arranged at the top of water baffle 9, air inlet of micro-nano bubble releaser 8 is communicated with ozone air inlet pipe 7, one end of ozone air inlet pipe 7 penetrates barrel 1, and the top of micro-nano bubble releaser 8 and the inside of rotating flow cylinder 6 are separation area 10.

[0022] With the continuous flow of waste water to water baffle 9, the upward flow continues to enter separation area 10 after reflection of water baffle 9, ozone enters separation area 10 through ozone air inlet pipe 7 and micro-nano bubble releaser 8, and under the action of pressure, ozone penetrates the porous membrane wall pipe on micro-nano bubble releaser 8 and enters the surrounding water, a large amount of micro-bubbles can be released due to the small and dense micro-pores on the membrane, a large amount of micro-bubbles released by micro-nano bubble releaser 8 contact and adhere to pollutants in waste water, and at the same time, ozone in bubbles also starts to play its oxidation role, waste water and ozone bubbles are mixed and enter separation area 10, and solid-liquid separation is carried out, the air float body formed by the adsorption of pollutants on bubbles rises to the top of barrel 1 (i.e. water surface) under the action of buoyancy, and treated water is discharged outside through water outlet 5 in clear water area 12.

[0023] It should be noted that the water inlet pipe 4 far away from the cyclone 6 end is communicated with pipeline mixer 15, pipeline mixer 15 is provided with dosing port 16, waste water enters the water inlet pipe 4, and the pipeline mixer 15 can be put into flocculating agent, so that the waste water and the flocculating agent are mixed.

[0024] In this embodiment, as shown in Figure 1 The top of the cylinder 1 is provided with a base 20, the base 20 is provided with a slag scraper 18, the slag scraper 18 is provided with a slag scraping plate 17 through a connecting shaft 19, the top of the cylinder 1 is provided with a floating slag groove 13, the bottom of the floating slag groove 13 is communicated with a slag discharge pipe 14, one end of the slag discharge pipe 14 penetrates the cylinder 1, the waste water and ozone bubbles are mixed and enter the separation zone 10, after solid-liquid separation, the gas bubbles adsorbed by the pollutants form a float body which rises to the top of the cylinder 1 (i.e. water surface) under the action of buoyancy to form floating slag, the floating slag is scraped by the slag scraping plate 17 on the water surface and enters the floating slag groove 13, and is discharged through the slag discharge pipe 14, the slag scraping plate 17 is driven by the slag scraper 18 fixed on the base 20 at the top of the cylinder 1, and rotates slowly on the water surface, so as to scrape off the floating slag.

[0025] Specifically, the outer wall of the hopper 2 is provided with a supporting leg 3, which can support the placement of the hopper 2.

[0026] According to the above technical scheme, the working steps of the present scheme are summarized and combed: when in use, the waste water is mixed with flocculating agent through the water inlet pipe 4, small particle suspended matter is gradually formed into large flocs under the action of flocculating agent, and the demulsification is realized, and the waste water enters the cyclone 6 through the tangent direction, the waste water forms a cyclone in the cyclone 6, under the action of centrifugal force and downward rotation, the larger particles of suspended matter in the waste water are thrown to the inner wall of the cyclone 6, and sink to the sludge concentration area 21 along the inner wall, due to the flow of waste water, part of the waste water with a small amount of suspended matter flowing upward is intercepted by the inclined pipe filler 11 and then sinks to the sludge concentration area 21, and the sludge is concentrated in the sludge concentration area 21 to reduce the water content, and is discharged through the sludge discharge port 22.

[0027] Wherein, with the wastewater continues to flow cyclone to the baffle 9, through the baffle 9 reflection continues to flow into the separation zone 10, ozone through the ozone inlet pipe 7, micro-nano bubble release ware 8 into the separation zone 10, under the action of pressure, ozone through the micro-nano bubble release ware 8 on the porous membrane wall pipe into the surrounding water, due to the film on the microporous aperture small and dense, can release a large number of micro-bubbles, by micro-nano bubble release ware 8 release a large number of small bubbles and pollutants in wastewater contact and adhere, while the ozone in the bubble also begin to play its oxidizing effect, wastewater and ozone bubble mixing into the separation zone 10, solid-liquid separation, bubble adsorbed the pollutants formed gas float under the action of buoyancy rises to the top of the cylinder 1, that is, the water surface, and the treated water in the clear water zone 12 through the water outlet 5 discharge, so that the pretreatment efficiency of the rubber washing wastewater is high, the energy consumption is low, that is, the pretreatment of high concentration, high color, difficult biochemical wastewater, rubber washing wastewater, oil-containing wastewater, can also be used for deep treatment, further improve the water quality.

[0028] The parts not involved in the utility model are the same as the prior art or can be realized by using the prior art. Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A rubber washing wastewater pretreatment device, comprising a cylinder body 1, the bottom of the cylinder body (1) is communicated with a hopper (2), the bottom of the hopper (2) is communicated with a sludge discharge port (22), characterized in that: The cylinder body (1) is communicated with a water inlet pipe (4), the inside of the cylinder body (1) is fixedly connected with a cyclone cylinder (6), the water inlet pipe (4) is communicated with the cyclone cylinder (6) in a tangential direction of the outer wall of the cyclone cylinder (6), the bottom of the cyclone cylinder (6) is provided with a water baffle (9), the top of the water baffle (9) is provided with a micro-nano bubble releaser (8), the air inlet of the micro-nano bubble releaser (8) is communicated with an ozone air inlet pipe (7), one end of the ozone air inlet pipe (7) penetrates through the cylinder body (1), the top of the micro-nano bubble releaser (8) and the inside of the cyclone cylinder (6) are a separation zone (10), the outer wall of the cyclone cylinder (6) to the inner wall of the cylinder body (1) is provided with an inclined pipe filler (11), the top of the inclined pipe filler (11) is a clear water zone (12), the cylinder body (1) is penetrated by a water outlet (5), and the water outlet (5) is communicated with the clear water zone (12), the inside cavity area of the hopper (2) is a sludge concentration zone (21).

2. A device for pretreating wastewater from a rubber wash according to claim 1, characterized in that: The top of the cylinder body (1) is provided with a base (20), the base (20) is provided with a slag scraper (18), the slag scraper (18) is provided with a slag scraping plate (17) through a connecting shaft (19), and the inside top of the cylinder body (1) is provided with a floating slag tank (13).

3. A device for pretreating wastewater from a rubber wash according to claim 2, characterized in that: The bottom of the floating slag tank (13) is communicated with a slag discharge pipe (14), one end of the slag discharge pipe (14) penetrates through the cylinder body (1).

4. The rubber wash wastewater pretreatment device according to claim 1, characterized in that: The end of the water inlet pipe (4) away from the cyclone cylinder (6) is communicated with a pipeline mixer (15).

5. A device for pretreating wastewater from a rubber wash according to claim 4, characterized in that: The pipeline mixer (15) is provided with a dosing port (16).

6. A device for pretreating wastewater from a rubber wash according to claim 2, characterized in that: The outer wall of the hopper (2) is provided with a supporting leg (3).

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