CN215162086U - Sludge low-temperature dewatering and drying integrated machine - Google Patents

Abstract

Sludge low temperature dehydration mummification all-in-one, double helix ash conveyor and batching belt set up respectively in the sludge impoundment both sides, a plurality of agitator pump evenly distributed are in the sludge impoundment, the export of stock sludge pump links to each other with the batching belt, the sludge impoundment export links to each other with the hydroextractor through the batching belt, bubble medicine machine links to each other with the hydroextractor through dosing pump, hydroextractor bottom mud export gets into on the mesh belt conveyor of stoving incasement, mesh belt conveyor export links to each other with the auto sucking machine, the auto sucking machine links to each other with dry feed bin, low temperature mummification mechanism is by preceding regenerator, the cooler, back regenerator, heater and centrifugal fan constitute. The utility model discloses a double helix ash conveyer makes industrial sludge evenly disposed to the sludge impoundment, and the mesh belt conveyor below sets up low temperature mummification mechanism, utilizes second grade backheating circulation condensation dehumidification principle, greatly reduced the dry energy consumption of mud, simplified the process flow that industrial slurry handled, has mummification decrement ability height, running cost low and safe and reliable's advantage.

Description

Sludge low-temperature dewatering and drying integrated machine

Technical Field

The utility model relates to an industrial sludge environmental protection processing technology field, concretely relates to mud low temperature dehydration mummification all-in-one.

Background

With the rapid development of the industry in China, the environmental protection treatment of industrial waste liquid becomes a problem of concentrated attention in the industry, the industrial waste liquid has different solid contents according to different industries, the industrial slurry is one of main pollutants of the industrial waste liquid, at present, the industrial slurry is mostly dried by high-temperature evaporation in the industry, the energy consumption is huge, high-temperature waste gas generated by high-temperature drying needs to be cooled, recovered and then concentrated for treatment, the equipment investment is more, and in addition, the industrial sludge raw material is paved and dried in the air, a stock ground, grinding and time are needed, and the sludge treatment amount is limited; the transportation cost is higher due to the transportation by the tank truck; the method directly covers the bottom layer of the material stack to cause uneven components of the uniformly mixed material, and how to solve the problem of the prior treatment of the industrial slurry also becomes a key concern of the industry.

SUMMERY OF THE UTILITY MODEL

The utility model provides a sludge low-temperature dewatering and drying all-in-one machine to solve the problem that the industrial slurry high-temperature treatment energy consumption is big and the mud is handled the difficulty in earlier stage that prior art exists.

The utility model provides a technical scheme that its technical problem adopted is:

a sludge low-temperature dehydration and drying integrated machine comprises a sludge tank, a dehydrator, a medicine soaking machine, a dosing pump, a drying box, a mesh belt conveyor, a low-temperature drying mechanism, a material sucking machine, a dry material bin, a dosing belt and a double-screw ash conveying machine, wherein the double-screw ash conveying machine and the dosing belt are respectively arranged on two sides of the sludge tank, a plurality of stirring pumps are uniformly distributed in the sludge tank, an outlet of a long-rod sludge pump is connected with the dosing belt, an outlet of the sludge tank is connected with the dehydrator through the dosing belt, the medicine soaking machine is connected with the dehydrator through the dosing pump, a slurry outlet at the bottom of the dehydrator enters the mesh belt conveyor in the drying box, an outlet of the mesh belt conveyor is connected with the material sucking machine, the material sucking machine is connected with the dry material bin, the low-temperature drying mechanism comprises a front heat regenerator, a cooler, a rear heat regenerator, a heater and a centrifugal fan, a gas outlet at the top of the mesh belt conveyor is connected with the front heat regenerator, the outlet of the front heat regenerator is connected with the cooler, the gas outlet of the cooler is connected with the rear heat regenerator, the outlet of the rear heat regenerator is connected with the heater, the gas outlet of the heater is connected with the centrifugal fan, and the gas outlet of the centrifugal fan is positioned below the mesh belt conveyor.

The utility model discloses the theory of operation is: a stirring pump and a sludge pump are arranged above a sludge pool, the sludge pump is a long rod pump to ensure that bottom slurry can be uniformly stirred, the lift flow of the sludge pump is moderate to meet the requirement that the sludge is delivered to a proportioning belt, the slurry overflows to cause the belt to skid, a double-screw ash conveyor is arranged on one side of the sludge pool to ensure that the sludge can be scattered and cleaned up, the ash conveyor inclines at a certain angle to ensure that the sludge can smoothly flow to the stirring pool, slurry in the sludge pool is delivered into a dehydrator by the sludge pump, meanwhile, tap water and a high molecular flocculant are delivered into a soaking machine, then the slurry is delivered into the dehydrator by a chemical adding pump, the slurry enters a mesh belt conveyor through a hopper after passing through the dehydrator preliminarily, dry hot air is delivered from the bottom of the mesh belt conveyor by a centrifugal fan of a low-temperature drying mechanism, and wet mud cakes on the mesh belt are dried, the dried sludge is sent into a dry material bin by a suction machine, the damp-heat gas at the top of the mesh belt conveyor enters a front heat regenerator, the damp-heat gas is condensed by cooling water in a cooler and then enters a heater through a rear heat regenerator, the damp-heat gas is heated by hot water at 90 ℃ in the heater, and dry hot air at about 80 ℃ is obtained and blown to the mesh belt conveyor by a centrifugal fan.

The utility model discloses a double helix ash conveyer makes industrial sludge evenly disposed to the sludge impoundment, and the mesh belt conveyor below sets up low temperature mummification mechanism, utilizes second grade backheating circulation condensation dehumidification principle, greatly reduced the dry energy consumption of mud, simplified the process flow that industrial slurry handled, has mummification decrement ability height, running cost low and safe and reliable's advantage.

Drawings

The present invention will be further explained with reference to the drawings and examples.

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

In the figure, 1 a sludge pool, 2 a dehydrator, 3 a medicine soaking machine, 4 a medicine adding pump, 5 a double-helix ash conveying machine, 6 a drying box, 7 a stirring pump, 8 a long-rod sludge pump, 9 a batching belt, 10 a mesh belt type conveyor, 11 a front heat regenerator, 12 a cooler, 13 a rear heat regenerator, 14 a heater, 15 a centrifugal fan, 16 a material sucking machine and 17 a drying bin.

Detailed Description

As shown in the figure, the sludge low-temperature dehydration and drying integrated machine comprises a sludge pool 1, a dehydrator 2, a medicine soaking machine 4, a medicine adding pump 5, a drying box 6, a mesh belt conveyor 10, a low-temperature drying mechanism, a material sucking machine 16, a drying material bin 17, a material mixing belt 9 and a double-screw ash conveying machine 5, wherein the double-screw ash conveying machine 5 and the material mixing belt 9 are respectively arranged on two sides of the sludge pool 1, a plurality of stirring pumps 7 are uniformly distributed in the sludge pool, an outlet of a long-rod sludge pump 8 is connected with the material mixing belt 9, an outlet of the sludge pool is connected with the dehydrator 2 through the material mixing belt 9, the medicine soaking machine 3 is connected with the dehydrator 2 through the medicine adding pump 4, a slurry outlet at the bottom of the dehydrator 2 enters the mesh belt conveyor 10 in the drying box, an outlet of the mesh belt conveyor 10 is connected with the material sucking machine 16, the material sucking machine 16 is connected with the drying material bin 17, the low-temperature drying mechanism comprises a front heat regenerator 11, a cooler 12 and a rear heat regenerator 13, Heater 14 and centrifugal fan 15 constitute, and the top gas outlet of mesh belt conveyor links to each other with preceding regenerator, and preceding regenerator outlet links to each other with the cooler, and the cooler gas outlet links to each other with back regenerator, and back regenerator outlet links to each other with the heater, and the gas outlet of heater links to each other with centrifugal fan, and centrifugal fan gas outlet is located mesh belt conveyor below.

The utility model discloses the theory of operation is: a stirring pump and a sludge pump are arranged above a sludge pool, the sludge pump is a long rod pump to ensure that bottom slurry can be uniformly stirred, the lift flow of the sludge pump is moderate to meet the requirement that the sludge is delivered to a proportioning belt, the slurry overflows to cause the belt to skid, a double-screw ash conveyor is arranged on one side of the sludge pool to ensure that the sludge can be scattered and cleaned up, the ash conveyor inclines at a certain angle to ensure that the sludge can smoothly flow to the stirring pool, slurry in the sludge pool is delivered into a dehydrator by the sludge pump, meanwhile, tap water and a high molecular flocculant are delivered into a soaking machine, then the slurry is delivered into the dehydrator by a chemical adding pump, the slurry enters a mesh belt conveyor through a hopper after passing through the dehydrator preliminarily, dry hot air is delivered from the bottom of the mesh belt conveyor by a centrifugal fan of a low-temperature drying mechanism, and wet mud cakes on the mesh belt are dried, the dried sludge is sent into a dry material bin by a suction machine, the damp-heat gas at the top of the mesh belt conveyor enters a front heat regenerator, the damp-heat gas is condensed by cooling water in a cooler and then enters a heater through a rear heat regenerator, the damp-heat gas is heated by hot water at 90 ℃ in the heater, and dry hot air at about 80 ℃ is obtained and blown to the mesh belt conveyor by a centrifugal fan.

Claims (1)

1. A sludge low-temperature dehydration and desiccation integrated machine is characterized by comprising a sludge tank, a dehydrator, a medicine soaking machine, a medicine adding pump, a drying box, a mesh belt conveyor, a low-temperature desiccation mechanism, a material sucking machine, a dry material bin, a material mixing belt and a double-screw ash conveying machine, wherein the double-screw ash conveying machine and the material mixing belt are respectively arranged on two sides of the sludge tank, a plurality of stirring pumps are uniformly distributed in the sludge tank, an outlet of a long-rod sludge pump is connected with the material mixing belt, an outlet of the sludge tank is connected with the dehydrator through the material mixing belt, the medicine soaking machine is connected with the dehydrator through the medicine adding pump, a slurry outlet at the bottom of the dehydrator enters the mesh belt conveyor in the drying box, an outlet of the mesh belt conveyor is connected with the material sucking machine, the material sucking machine is connected with the dry material bin, the low-temperature desiccation mechanism comprises a front heat regenerator, a cooler, a rear heat regenerator, a heater and a centrifugal fan, a gas outlet at the top of the mesh belt conveyor is connected with the front heat regenerator, the outlet of the front heat regenerator is connected with the cooler, the gas outlet of the cooler is connected with the rear heat regenerator, the outlet of the rear heat regenerator is connected with the heater, the gas outlet of the heater is connected with the centrifugal fan, and the gas outlet of the centrifugal fan is positioned below the mesh belt conveyor.

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