CN216630196U - Grain is dried with simple and easy wet curtain dust collector - Google Patents

Abstract

The utility model discloses a simple wet curtain dust removal device for grain drying, which belongs to the field of grain processing equipment and comprises a dryer, an ash discharge air pipe and an ash room, wherein one end of the ash discharge air pipe is connected with an exhaust outlet of the dryer, the other end of the ash discharge air pipe is connected to an air inlet of the ash room, a dust removal mechanism is arranged in the ash room and comprises a pair of rollers which are arranged up and down, the rollers comprise an upper roller and a lower roller, a dust removal curtain is wound between the upper roller and the lower roller, a sedimentation tank and a clean water tank are sequentially arranged at the lower part of the ash room along the air inlet direction, the upper roller is arranged at the top of the ash room, the lower roller is immersed in the sedimentation tank, the dust removal curtain circularly rolls in the vertical direction along with the rotation of the upper roller and the lower roller, adsorbed dust is brought into the sedimentation tank, and filtered clean tail air is sent into a heat pump room through an air outlet of the ash room. The device does not need to build a complex dust removal device, has the characteristics of simple structure and strong practicability, occupies small floor area, saves construction cost, and is suitable for being used in dust removal equipment for grain drying tail air exhaust.

Description

Grain is dried with simple and easy wet curtain dust collector

Technical Field

The utility model relates to the field of grain processing equipment, in particular to tail air dust removal equipment of grain drying equipment.

Background

The common heat pump drying technology for grain drying can furthest retain nutrient components in dried substances without damaging the original structure, and remove moisture through high-temperature treatment to meet the grain storage requirement. However, a lot of dust is often carried in the harvested grains, when the drying operation is performed, a lot of dust is carried in the tail exhaust air after the grains are dried, the environment can be polluted by direct exhaust, the energy contained in the hot air cannot be utilized, and the body health of workers is not facilitated, so that the dried tail air is treated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provide a simple wet curtain dust removal device for grain drying, which removes dust from high-temperature dust-containing hot air discharged by a dryer and recovers heat from clean exhaust air after dust removal.

The purpose of the utility model is realized as follows: the utility model provides a cereal is dried with simple and easy wet curtain dust collector, includes drying-machine, ash discharge air pipe and grey room, ash discharge air pipe one end and the exit linkage of airing exhaust of drying-machine, the other end is connected to the air intake in grey room, grey room inside is equipped with dust removal mechanism, and dust removal mechanism is including a pair of cylinder that sets up from top to bottom, and the cylinder includes cylinder and lower cylinder, around being equipped with the dust removal curtain between last cylinder and lower cylinder, is equipped with sedimentation tank and clean water basin along the air inlet direction in proper order in grey room lower part, the last cylinder sets up at grey room top, and lower cylinder immerses in the sedimentation tank, and the dust removal curtain circulates along with the rotation of last cylinder and lower cylinder in vertical direction and rolls, brings the dust in the adsorbed drying-machine tail wind into the sedimentation tank, and the clean tail wind after the dust removal curtain filters sends into in the heat pump room through the air outlet in grey room.

When the dust removal device works, dust-containing high-temperature hot air discharged by the dryer is conveyed into the dust room through the dust discharge air pipe for filtering and dust removal, the dust-containing high-temperature hot air passes through the dust removal curtain which circularly rolls, dust is intercepted on the windward side of the dust removal curtain and is brought into water in the sedimentation tank along with the rolling of the dust removal curtain, the dust is precipitated in the water, the clean and wet dust removal curtain cleaned by the water in the sedimentation tank continuously circularly rolls and enters the next dust blocking period, dust in the adsorbed high-temperature hot air is intercepted, and the dust removal action is completed in a circulating reciprocating manner; overflowing the precipitated sewage from the precipitation tank, discharging the sewage into a clean water tank, and then discharging the sewage from the clean water tank; clean medium-temperature hot air filtered by the wet dust removal curtain is conveyed to the air source heat pump room from the air outlet of the ash room for recycling.

Compared with the prior art, the utility model has the beneficial effects that: firstly, the dust removing curtain is circularly operated in a vertical rolling manner, the dust removing efficiency is high, the normal drying operation of the heat pump drying system is not influenced in the dust removing process, and the dust removing operation and the heat pump drying operation can be simultaneously carried out; secondly, the tail air after dust removal is recycled, energy waste caused by direct discharge into air is avoided, the tail air after being filtered by the wet dust removal curtain has a certain temperature and is sent to a heat pump system for recycling, the heating load of a heat pump unit can be reduced, and the wet dust removal system has the advantages of economy and environmental protection; thirdly, the dust removal structure of the device is simple, the practicability is high, a complex dust removal device does not need to be built, and the occupied area is small, so that the building cost is saved.

Furthermore, the ash room is a heat-preservation ash room, the tail air after dust removal needs to recycle heat therein, and the heat loss of the tail air can be avoided by adopting the heat-preservation ash room.

Further, sedimentation tank and clean water basin set up in grey room bottom with sinking, and the design area that sinks is little, can practice thrift the space and increase water storage area, increases the sedimentation degree of depth.

Furthermore, a water retaining wall is arranged between the sedimentation tank and the clean water tank, the sedimentation tank is higher than the clean water tank, and sewage after sedimentation overflows the water retaining wall and is discharged into the clean water tank from the sedimentation tank, so that water on the upper part of the sedimentation tank keeps a clean state, the dust removing curtain can be better cleaned, and the dust removing effect of the dust removing curtain on tail air is improved.

Furthermore, a water replenishing valve is arranged on the wall of the upper portion of the sedimentation tank, a drain valve is arranged on the wall of the lower portion of the clean water tank, after water in the sedimentation tank overflows into the clean water tank, the water replenishing valve is automatically opened to replenish water in the sedimentation tank, and the water in the clean water tank is discharged outwards through the drain valve.

Drawings

Fig. 1 is a schematic structural diagram of the wet curtain dust removal device of the utility model.

In the upper drawing, 1 a dryer, 2 an ash discharging air pipe, 3 an ash room, 4 an upper roller, 5 a dust removing curtain, 6 a water supplementing valve, 7 a sedimentation tank, 8 a lower roller, 9 a water retaining wall, 10 a clean water tank and 11 a water discharging valve.

Detailed Description

As shown in figure 1, the simple wet curtain dust removal device for grain drying comprises a dryer 1, an ash discharge air pipe 2 and an ash room 3, wherein one end of the ash discharge air pipe 2 is connected with an exhaust outlet of the dryer 1, the other end of the ash discharge air pipe is connected to an air inlet of the ash room 3, a dust removal mechanism is arranged in the ash room 3, the dust removal mechanism comprises a pair of rollers which are arranged up and down, the rollers comprise an upper roller 4 and a lower roller 8, a dust removing curtain 5 is wound between the upper roller 4 and the lower roller 8, a sedimentation tank 7 and a clean water tank 10 are sequentially arranged at the lower part of the ash room 3 along the air inlet direction, the upper roller 4 is arranged at the top of the ash room 3, the lower roller 8 is immersed in the sedimentation tank 7, the dust removing curtain 5 circularly rolls in the vertical direction along with the rotation of the upper roller 4 and the lower roller 8, brings the dust in the tail wind of the dryer 1 into the sedimentation tank 7, the clean tail air filtered by the dust removing curtain 5 is sent into the heat pump room through the air outlet of the dust room 3.

The ash room 3 is a heat-preservation ash room, the tail air after dust removal needs to recycle the heat in the dust room, and the heat loss of the tail air can be avoided by adopting the heat-preservation ash room.

The sedimentation tank 7 and the clean water tank 10 are arranged at the bottom of the ash room 3 in a sinking mode, the sinking mode design occupies small area, the space can be saved, the water storage area is increased, and the sedimentation depth is increased.

A water retaining wall 9 is arranged between the sedimentation tank 7 and the clean water tank 10, the sedimentation tank 7 is higher than the clean water tank 10, and the settled sewage overflows the water retaining wall 9 and is discharged into the clean water tank 10 from the sedimentation tank 7, so that the water on the upper part of the sedimentation tank 7 is kept in a clean state, the dust removing curtain 5 can be better cleaned, and the dust removing effect of the dust removing curtain 5 on the tail air is improved.

The water replenishing valve 6 is arranged on the wall of the upper part of the sedimentation tank 7, the drain valve 11 is arranged on the wall of the lower part of the clean water tank 10, after the water in the sedimentation tank 7 overflows into the clean water tank 10, the water replenishing valve 6 is automatically opened to replenish the sedimentation tank 7, and the water in the clean water tank 10 is discharged outwards through the drain valve 11.

When the dust removal device works, dust-containing high-temperature hot air discharged by the dryer 1 is conveyed into the dust room 3 through the dust exhaust air pipe 2 for filtering and dust removal, the dust-containing high-temperature hot air passes through the dust removal curtain 5 which circularly rolls, dust is intercepted on the windward side of the dust removal curtain 5 and is brought into water in the sedimentation tank along with the rolling of the dust removal curtain 5, the dust is precipitated in the water, the clean and wet dust removal curtain 5 cleaned by the water in the sedimentation tank 7 continuously circularly rolls and enters the next dust blocking period, the dust in the high-temperature hot air is intercepted and adsorbed, and the dust removal action is completed in such a circulating way; in the process, the dust removing curtain 5 rolls up and down to perform circulating operation, the dust removing efficiency is high, the dust removing process does not influence the normal drying operation of the heat pump drying system, and the dust removing operation and the heat pump drying operation can be performed simultaneously.

The sewage after sedimentation overflows from the sedimentation tank 7 and is discharged into a clean water tank 10, and then is discharged from the clean water tank 10; clean medium-temperature hot air filtered by the wet dust removal curtain 5 is sent to the air source heat pump room from the air outlet of the ash room 3 for recycling, so that the heating load of the heat pump unit is reduced, energy waste caused by direct emission into the air is avoided, and the method has the advantages of economy and environmental protection; because the dryer 1 is in a continuous air exhaust state, the lower part of the ash room 3 is provided with the sedimentation tank 7 and the clean water tank 10, the dust removal curtain 5 which circularly rolls into the sedimentation tank 7 can be cleaned, and when dust particles float in the air of the ash room 3, the dust particles freely sink into the sedimentation tank 7 and the clean water tank 10 under the action of self gravity, so that the ash room 3 is kept in a relatively clean state, and the health of cleaning personnel is facilitated; the device does not need to build a complex dust removal device, has the characteristics of simple structure and strong practicability, occupies small floor area, saves construction cost, and is suitable for being used in dust removal equipment for grain drying tail air exhaust.

The present invention is not limited to the above-mentioned embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some technical features without creative efforts according to the disclosed technical contents, and these substitutions and modifications are all within the protection scope of the present invention.

Claims (5)

1. The utility model provides a cereal is dried with simple and easy wet curtain dust collector, includes drying-machine, ash discharge air pipe and ash room, ash discharge air pipe one end and the exit linkage of airing exhaust of drying-machine, the other end is connected to the air intake in ash room, its characterized in that: the inside dust removal mechanism that is equipped with in ash room, dust removal mechanism include a pair of cylinder that sets up from top to bottom, and the cylinder includes cylinder and lower cylinder, around being equipped with the dust removal curtain between last cylinder and the lower cylinder, is equipped with sedimentation tank and clean water basin along the air inlet direction in proper order in ash room lower part, going up the cylinder setting in ash room top, lower cylinder is immersed in the sedimentation tank, and the dust removal curtain rolls along with the rotation of last cylinder and lower cylinder at vertical direction upper loop, brings the dust in the adsorbed drying-machine tail-wind into the sedimentation tank, and the clean tail-wind after the dust removal curtain filters sends into the heat pump room through the air outlet in ash room.

2. The simple wet curtain dust removal device for grain drying according to claim 1, wherein: the ash room is a heat-preservation ash room.

3. The simple wet curtain dust removal device for grain drying according to claim 1, wherein: the sedimentation tank and the clean water tank are arranged at the bottom of the ash room in a sinking mode.

4. The simple wet curtain dust removal device for grain drying according to claim 3, wherein: and a water retaining wall is arranged between the sedimentation tank and the clean water tank, and the height of the sedimentation tank is higher than that of the clean water tank.

5. The simple wet curtain dust removal device for grain drying according to claim 1, wherein: and a water replenishing valve is arranged on the wall of the upper part of the sedimentation tank, and a drain valve is arranged on the wall of the lower part of the clean water tank.

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