CN211226862U - Sludge filter press for aluminum profile oxidation workshop - Google Patents

Abstract

The utility model discloses a sludge filter press for an aluminum profile oxidation workshop, which comprises a blanking hopper, a filter pressing mechanism and a filter vibrating screen arranged below the filter pressing mechanism; the filter pressing mechanism comprises an upper pressing belt, a lower pressing belt, an upper pressing belt driving mechanism for driving the upper pressing belt to operate and a lower pressing belt driving mechanism for driving the lower pressing belt to operate.

Description

Sludge filter press for aluminum profile oxidation workshop

Technical Field

The utility model relates to an aluminum product oxidation workshop environmental protection equipment especially relates to an aluminium alloy oxidation workshop sludge press filter.

Background

The chemical property of aluminum is active and easy to react with oxygen in the air to form an oxide layer, however, the naturally formed oxide layer is generally not dense enough to effectively prevent the further oxidation of the aluminum material, and in addition, the naturally formed oxide layer is difficult to meet the design requirement in appearance, so that the aluminum profile needs to be oxidized in the production process to form the oxide layer meeting the requirement on the surface of the aluminum profile. In the oxidation process, the aluminum profile is immersed in various different agents in sequence for reaction, and the wastewater generated in the oxidation workshop generally contains high CODcr pollutants, solid suspended matters, waste acid, ammonia nitrogen and the like, and if the wastewater is directly discharged, the water quality of a discharge place is seriously influenced, so that the wastewater must be subjected to harmless treatment. Can produce certain solid waste in the waste water treatment process, usually be the mud that comes from the sedimentation tank, because the moisture content of mud is great, if not carry out dehydration and can be difficult to the transportation to and do benefit to subsequent innocent treatment afterwards, consequently will generally adopt the pressure filter to carry out the filter-pressing dehydration to mud. However, the existing filter press is liable to leak sludge from the side edges of the press belt during the filter press process, contaminating the site of the filter press and the leaked sludge has a high water content because the filter press is not completed.

Disclosure of Invention

The utility model aims to overcome the not enough of prior art, provide a novel structure, but mud and water remixing aluminium alloy oxidation workshop mud pressure filter are avoided to the mud of recoverable edge leakage.

In order to realize the above purpose, the utility model discloses the technical scheme who adopts is:

a sludge filter press for an aluminum profile oxidation workshop comprises a blanking hopper, a filter pressing mechanism and a filtering vibrating screen arranged below the filter pressing mechanism; the filter pressing mechanism comprises an upper press belt, a lower press belt, an upper press belt driving mechanism for driving the upper press belt to operate and a lower press belt driving mechanism for driving the lower press belt to operate; the upper pressing belt and the lower pressing belt are arranged up and down, an extrusion section which is matched with and extrudes sludge is formed between the upper pressing belt and the lower pressing belt, the lower pressing belt at the upstream of the extrusion section protrudes out of the upper pressing belt to form a material receiving section for receiving the discharge of the blanking hopper, and a discharge opening formed by the clearance fit of the upper pressing belt and the lower pressing belt is formed at the downstream of the extrusion section; the filter sieve that shakes is including sieve bed, be used for supporting sieve bed's foot rest, connect in buffer spring between sieve bed and the foot rest and be used for driving sieve bed vibrating vibration device, sieve bed slope sets up and sieve bed's width is greater than the width of upper pressure area and lower pressure area, and sieve bed upper surface is provided with the filter screen that is used for filtering mud simultaneously, the filter screen is separated sieve bed from top to bottom for upper separation layer and lower separation layer, upper separation layer intercommunication has sludge collecting pit, lower separation layer intercommunication filtering ponds, the intercommunication has the back flow and be provided with the suction pump between sludge collecting pit and the blanking fill on the back flow.

The utility model has the advantages that: the sludge filter press of the utility model is provided with a filtering vibrating screen at the lower side of the filter pressing mechanism, when sludge enters the extrusion section, the upper pressing belt and the lower pressing belt are matched together to extrude the sludge so as to extrude water in the sludge away and leak from the side edges of the gap between the upper pressing belt and the lower pressing belt in the extrusion section, in the process, partial sludge can also leak out from the side edges of the gap between the upper pressing belt and the lower pressing belt, the laterally leaked sludge can finally fall into the filtering vibrating screen, because the filtering vibrating screen can block the sludge, the sludge can be blocked in the upper separation layer above the filtering vibrating screen, and water can penetrate through the lower separation layer to realize mud-water separation, the separated sludge slides down along the gradient of the upper separation layer under the vibration action of the vibration mechanism and finally flows into the sludge collection tank and returns to the blanking hopper through the return pipe, and the water of the lower separation layer flows into the filtering water tank along the gradient to be recycled. In this way, the utility model discloses a sludge filter press can let the mud and the separation of water of edge leakage, avoids both to mix again and leads to the filter-pressing insufficient.

Further, it all includes the deflector roll that is used for guiding the upper pressure area or pushes down the area and turns to, is used for driving the upper pressure area or pushes down the live-rollers of taking the operation, is used for driving to press on with the upper pressure, be used for driving live-rollers pivoted driving motor, tensioning roller and be used for driving the tension adjusting cylinder that the pressure was pressed to the upper pressure area or is pushed down to the tensioning roller. The utility model adopts the above structure after, the live-rollers can drive the upper pressure area or push down the area and move along the certain direction to drive the mud pay-off, utilize the adjustable upper pressure area of tension adjusting cylinder or push down the tension of area in addition.

Further, the extrusion section is formed with a plurality of V-shaped section structures. The tension of the upper pressing belt and the lower pressing belt at the corner of the V-shaped section structure is large, so that large extrusion force is formed on slurry in the gap between the upper pressing belt and the lower pressing belt, and water in sludge is extruded out.

Furthermore, the vibrating device comprises a vibrating motor fixedly connected to the bottom surface of the sieve bed and an eccentric wheel connected with a rotating shaft of the vibrating motor. The sieve bed can be vibrated by the rotating eccentric wheel.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

The device comprises a blanking hopper, a 21a upper press belt, a 21b lower press belt, a 211-extrusion section, a 212-material receiving section, a 213-discharge opening, a 221-guide roller, a 222-rotating roller, a 223-driving motor, a 224-tensioning roller, a 225-tension adjusting cylinder, a 31-sieve bed, a 311-filter screen, a 312-upper separation layer, a 313-lower separation layer, a 32-foot rest, a 33-buffer spring, a 34-vibration device, a 341-vibration motor, an 342-eccentric wheel, a 4-sludge collecting tank, a 5-water filtering tank, a 6-return pipe and a 7-suction pump.

Detailed Description

The claimed technical solution of the present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1, the sludge filter press for the aluminum profile oxidation workshop in the embodiment comprises a blanking hopper 1, a filter pressing mechanism and a filtering vibrating screen arranged below the filter pressing mechanism.

The filter pressing mechanism comprises an upper press belt 21a, a lower press belt 21b, an upper press belt 21a driving mechanism for driving the upper press belt 21a to operate and a lower press belt 21b driving mechanism for driving the lower press belt 21b to operate. In this embodiment, each of the upper belt 21a driving mechanism and the lower belt 21b driving mechanism includes a guide roller 221 for guiding the upper belt 21a or the lower belt 21b to turn, a rotating roller 222 for driving the upper belt 21a or the lower belt 21b to run, a driving motor 223 for driving the rotating roller 222 to rotate, a tension roller 224, and a tension adjusting cylinder 225 for driving the tension roller 224 to press the upper belt 21a or the lower belt 21 b. Wherein the rotating roller 222 is rotated by the driving motor 223 to drive the upper press belt 21a or the lower press belt 21b to run. The tension adjusting cylinder 225 can drive the tension roller 224 to apply pressure to the upper press belt 21a or the lower press belt 21b, when the piston rod of the tension adjusting cylinder 225 extends, the pressure increases to tension the upper press belt 21a or the lower press belt 21b, the tension increase is beneficial to improving the squeezing effect of the upper press belt 21a or the lower press belt 21b on sludge, and conversely, when the piston rod of the tension adjusting cylinder 225 contracts, the tension of the upper press belt 21a or the lower press belt 21b decreases.

The upper pressing belt 21a and the lower pressing belt 21b are arranged up and down, and a squeezing section 211 matched with the upper pressing belt and the lower pressing belt to squeeze sludge is formed between the upper pressing belt and the lower pressing belt, and in the embodiment, the squeezing section 211 is formed with a plurality of V-shaped section structures. The tension of the upper and lower press belts 21a and 21b at the corner of the V-shaped section structure is large, so that a large pressing force is formed on the slurry in the gap between the upper and lower press belts 21a and 21b to facilitate the water in the sludge to be squeezed out. The lower pressing belt 21b at the upstream of the pressing section 211 protrudes out of the upper pressing belt 21a to form a material receiving section 212 for receiving the material discharged from the blanking hopper 1, and the lower pressing belt 21b is formed at the downstream of the pressing section 211 with a material discharge opening 213 formed by the clearance fit of the upper pressing belt 21a and the lower pressing belt 21 b.

The filtering and vibrating sieve comprises a sieve bed 31, a foot rest 32 used for supporting the sieve bed 31, a buffer spring 33 connected between the sieve bed 31 and the foot rest 32 and a vibrating device 34 used for driving the sieve bed 31 to vibrate, the sieve bed 31 is obliquely arranged and the width of the sieve bed 31 is larger than the width of an upper pressure belt 21a and a lower pressure belt 21b, a filter screen 311 used for filtering sludge is arranged on the upper surface of the sieve bed 31, the sieve bed 31 is vertically divided into an upper separation layer 312 and a lower separation layer 313 by the filter screen 311, the upper separation layer 312 is communicated with a sludge collection tank 4, the lower separation layer 313 is communicated with a filter water tank 5, a return pipe 6 is communicated between the sludge collection tank 4 and a blanking hopper 1, and a suction pump 7 is arranged on the return pipe 6. The vibration device 34 includes a vibration motor 341 fixedly connected to the bottom surface of the sieve bed 31 and an eccentric 342 rotatably connected to the vibration motor 341.

The working process of the sludge filter press in the embodiment is as follows: after the sludge falls into the receiving section 212 of the filter pressing mechanism through the blanking hopper 1, the sludge is conveyed into the extrusion section 211 through the lower pressing belt 21b, after the sludge is co-extruded by the upper pressing belt 21a and the lower pressing belt 21b in the extrusion section 211, moisture and partial sludge in the sludge can be discharged from the gap edge of the upper pressing belt 21a and the lower pressing belt 21b, so that the water content of the sludge in the extrusion section 211 is reduced, and a mud cake with the bottom crossed water content is formed when the sludge is conveyed to the discharge port 213 at the tail end of the extrusion section 211. The water and part of the sludge discharged in the extrusion process fall into the sieve bed 31, the sludge can be blocked by the filtering vibrating sieve screen 311, the sludge can be blocked in the upper separation layer 312 above the filtering vibrating sieve screen 311, the water can penetrate into the lower separation layer 313 to realize sludge-water separation, the separated sludge slides down along the gradient of the upper separation layer 312 under the vibration effect of the vibration mechanism and finally flows into the sludge collection tank 4 and returns to the blanking hopper 1 through the return pipe 6, and the water in the lower separation layer 313 flows into the filtering water tank 5 along the gradient for recycling. In this way, the utility model discloses a sludge filter press can let the mud and the separation of water of edge leakage, avoids both to mix again and leads to the filter-pressing insufficient.

The above-described embodiments are merely preferred embodiments of the present invention, which are not intended to limit the present invention in any way. Those skilled in the art can make further changes and modifications to the invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention. Therefore, the content of the technical scheme of the utility model, according to the equivalent change made by the idea of the utility model, should be covered in the protection scope of the utility model.

Claims (4)

1. The utility model provides an aluminium alloy oxidation workshop sludge press filter which characterized in that: comprises a blanking hopper (1), a filter pressing mechanism and a filtering vibrating screen arranged below the filter pressing mechanism; the filter pressing mechanism comprises an upper pressing belt (21 a), a lower pressing belt (21 b), an upper pressing belt (21 a) driving mechanism for driving the upper pressing belt (21 a) to run and a lower pressing belt (21 b) driving mechanism for driving the lower pressing belt (21 b) to run; the upper pressing belt (21 a) and the lower pressing belt (21 b) are arranged up and down, a pressing section (211) which is matched with the upper pressing belt and used for pressing sludge is formed between the upper pressing belt and the lower pressing belt, the lower pressing belt (21 b) at the upstream of the pressing section (211) protrudes out of the upper pressing belt (21 a) to form a material receiving section (212) used for receiving the discharging of the blanking hopper (1), and a discharging opening (213) formed by the clearance fit of the upper pressing belt (21 a) and the lower pressing belt (21 b) is formed at the downstream of the pressing section (211);

the filtering vibrating screen comprises a screen bed (31), a foot rest (32) for supporting the screen bed (31), a buffer spring (33) connected between the screen bed (31) and the foot rest (32) and a vibrating device (34) for driving the screen bed (31) to vibrate, the sieve bed (31) is obliquely arranged, the width of the sieve bed (31) is larger than the width of the upper pressing belt (21 a) and the lower pressing belt (21 b), meanwhile, the upper surface of the sieve bed (31) is provided with a filter screen (311) for filtering sludge, the sieve (311) divides the sieve bed (31) into an upper separation layer (312) and a lower separation layer (313) from top to bottom, the upper separation layer (312) is communicated with a sludge collection tank (4), the lower separation layer (313) is communicated with a filtering water tank (5), a return pipe (6) is communicated between the sludge collection tank (4) and the blanking hopper (1), and a suction pump (7) is arranged on the return pipe (6).

2. The aluminum profile oxidation workshop sludge filter press according to claim 1, characterized in that: the upper pressing belt (21 a) driving mechanism and the lower pressing belt (21 b) driving mechanism respectively comprise a guide roller (221) used for guiding the upper pressing belt (21 a) or the lower pressing belt (21 b) to turn, a rotating roller (222) used for driving the upper pressing belt (21 a) or the lower pressing belt (21 b) to run, a driving motor (223) used for driving the rotating roller (222) to rotate, a tensioning roller (224) and a tension adjusting cylinder (225) used for driving the tensioning roller (224) to press the upper pressing belt (21 a) or the lower pressing belt (21 b).

3. The aluminum profile oxidation workshop sludge filter press according to claim 1, characterized in that: the extrusion section (211) is formed with a plurality of V-shaped section structures.

4. The aluminum profile oxidation workshop sludge filter press according to claim 1, characterized in that: the vibrating device (34) comprises a vibrating motor (341) fixedly connected to the bottom surface of the sieve bed (31) and an eccentric wheel (342) connected with the rotating shaft of the vibrating motor (341).

Images