CN215924896U - Energy-saving and environment-friendly rice hull steaming and cleaning system - Google Patents

Abstract

The utility model relates to an energy-saving and environment-friendly rice hull cleaning and steaming system, wherein a feeding air seal valve is arranged at the top of a rice hull cleaning and steaming machine, a plurality of cleaning and steaming layers are arranged at the upper part of a tower body, and the bottoms of the cleaning and steaming layers are respectively provided with a steam homogenizing chamber; a dehumidification layer is arranged below the bottom steam-homogenizing chamber, and a hot air-homogenizing chamber is arranged at the bottom of the dehumidification layer; a cooling layer is arranged below the hot air homogenizing chamber, and a cold air homogenizing chamber is arranged at the bottom of the cooling layer; the side wall of the upper part of each steaming layer is respectively connected with a steaming exhaust pipe, the outlet of the steaming exhaust pipe is connected with an exhaust door and a return air door, and the outlet of the return air door is connected with the hot side of the tail gas heat exchanger and then connected with the inlet of the cyclone dust collector; the cold side of the tail gas heat exchanger enters the steam heat exchanger again to be heated and then is connected with the hot air homogenizing chamber; the upper outlet of the dehumidification layer is connected with the inlet of the cyclone dust collector; the top outlet of the cyclone dust collector is connected with the inlet of the spray washing tower together with the outlet of the exhaust door through a dust removal fan. The system can realize continuous steaming, has small occupied area, saves steam, and has large yield and small tail gas discharge.

Description

Energy-saving and environment-friendly rice hull steaming and cleaning system

Technical Field

The utility model relates to an energy-saving and environment-friendly rice hull steaming and cleaning system, which can be used for processing raw materials for brewing white spirit and belongs to the technical field of white spirit brewing equipment.

Background

The rice hulls can adjust the starch concentration of the fermented grains, reduce the acidity, absorb alcohol, maintain slurry, keep the porosity and oxygen content of the fermented grains and increase the fermentation surface area in the brewing process, so that the subsequent processes can be smoothly carried out. Besides the function of common auxiliary materials, the rice hulls have hard texture, so that mutual adhesion of raw materials can be reduced when the wine is steamed and grains are steamed, collapse of gas is avoided, the wine is steamed, the grains are soft and cooked but not greasy, and the later-period fermentation is facilitated. However, the rice hulls contain pectic substances, pentosan and the like, and can generate harmful substances such as methanol, furfural and the like in the fermentation and cooking processes. The rice husk is steamed and removed for removing the musty and bran-like smell and reducing impurities.

The traditional steaming and threshing method is simple, rice husks are filled in a steaming cylinder, steam is introduced below the steaming cylinder, and the rice husks are taken out of a pot to be spread for cooling after being steamed completely.

The improved rice hull steaming and removing adopts a production mode of combining a steam cleaning machine and an air cooling machine, a sealed steam cover is added on a mesh belt conveyor, a steam box is added below the mesh belt, steam enters the rice hulls on the mesh belt from small holes on the steam box, and the rice hulls are steamed and removed; after rice husk is steamed, a mesh belt conveyor is added behind the mesh belt conveyor, an air inlet box is arranged below the mesh belt, and cold air is blown into rice from the air inlet box through the mesh belt by a fan. The steaming and dehydrating mode changes a batch steaming and dehydrating mode, adopts a continuous steaming and dehydrating mode, adopts an air cooling machine cooling mode for cooling, improves production conditions, meets the requirement of large-scale production, but has large equipment radiating surface and wastes steam; the product has poor quality and is easy to spontaneously combust because of no spray wetting function; no waste heat utilization system is adopted, and the energy consumption is high; the occupied area of the equipment is large, and the civil engineering cost of the production line is high; the tail gas has large taste, pollutes the environment and can not recover the heat of the tail gas; the rice husk is carried when the mesh belt returns, the environment is polluted, and the mesh belt is easy to break after long-term operation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the problems in the prior art and provide an energy-saving and environment-friendly rice hull cleaning and steaming system which can realize continuous cleaning and steaming, has small occupied area, good steaming and dehydrating effect, steam saving, high yield and small tail gas discharge amount and meets the environment-friendly requirement.

In order to solve the technical problems, the energy-saving and environment-friendly rice hull cleaning and steaming system comprises a rice hull cleaning and steaming machine, wherein the rice hull cleaning and steaming machine comprises a cylindrical tower body, a feeding opening at the top of the tower body is provided with a feeding air seal valve, the upper part of the tower body is provided with a plurality of cleaning and steaming layers, and the bottoms of the cleaning and steaming layers are respectively provided with a steam homogenizing chamber; a dehumidification layer is arranged below the bottom steam-homogenizing chamber, and a hot air-homogenizing chamber is arranged at the bottom of the dehumidification layer; a cooling layer is arranged below the hot air homogenizing chamber, and a cold air homogenizing chamber is arranged at the bottom of the cooling layer; the side wall of the upper part of each steaming layer is respectively provided with at least one steaming exhaust port, each steaming exhaust port is respectively connected with a steaming exhaust pipe, the outlet of each steaming exhaust pipe is connected with an exhaust door and a return air door, the outlet of the return air door is connected with the hot side inlet of the tail gas heat exchanger, and the hot side outlet of the tail gas heat exchanger is connected with the inlet of the cyclone dust collector; a cold side inlet of the tail gas heat exchanger is communicated with air, a cold side outlet of the tail gas heat exchanger is connected with a cold side inlet of the steam heat exchanger, and a cold side outlet of the steam heat exchanger is connected with an air inlet of the hot air homogenizing chamber; a dehumidification hot air outlet on the upper side wall of the dehumidification layer is connected with an inlet of the cyclone dust collector through a dehumidification hot air exhaust pipe and a hot air discharge regulating valve; and an outlet at the top of the cyclone dust collector is connected with an inlet of a dust removal fan, and an outlet of the dust removal fan and an outlet of the exhaust door are connected with an air inlet of the spray washing tower together.

As an improvement of the utility model, the side wall of the cold air homogenizing chamber is provided with an air inlet, the side wall of the upper part of the cooling layer is provided with a cooling air outlet, and the cooling air outlet is connected with the inlet of the cyclone dust collector through a cooling air discharging pipe and a cooling air discharging regulating valve.

As a further improvement of the utility model, the side wall of each steam homogenizing chamber is respectively provided with a steam inlet, each steam inlet is respectively connected with a steam pipe through a heat clearing and steaming medium regulating valve, and the opening degree of each heat clearing and steaming medium regulating valve is respectively controlled by the temperature of a corresponding heat clearing and steaming layer; the hot side inlet of the steam heat exchanger is connected with a steam pipe through a dehumidification heat medium adjusting valve, and the opening degree of the dehumidification heat medium adjusting valve is controlled by the exhaust air temperature of the dehumidification layer.

As a further improvement of the utility model, a bottom circulating port of the spray washing tower is connected with an inlet of a washing pump, an outlet of the washing pump is connected with an inlet of a filter, and an outlet of the filter is connected with a washing spray pipe at the top of the spray washing tower; a water outlet at the bottom of the spray washing tower is connected with an inlet of a sewage pump, and an outlet pipeline of the sewage pump is connected with a sewage treatment station; and a water replenishing port of the spray washing tower is connected with a reclaimed water pipeline from a sewage treatment station.

As a further improvement of the utility model, a top layer material level sensor is arranged on the top steam cleaning layer, a steam cleaning and discharging air seal machine which is controlled by the top layer material level sensor and discharges to the dehumidification layer is arranged in the bottom steam homogenizing chamber, and automatic discharging doors controlled by the height of the next layer of material are respectively arranged in each steam homogenizing chamber above the bottom steam homogenizing chamber; the dehumidification layer is provided with a dehumidification layer material level sensor, and the hot air homogenizing chamber is provided with a dehumidification blanking air seal machine controlled by the dehumidification layer material level sensor; the cooling layer is provided with a cooling layer material level sensor, and the cold air homogenizing chamber is provided with a cooling discharge air seal machine controlled by the cooling layer material level sensor; the main shaft is arranged along the axis of the tower body, the bottom of each steaming layer, the bottom of each dehumidifying layer and the bottom of each cooling layer are respectively provided with a stirring fin, and the root of each stirring fin is respectively fixed on the main shaft.

As a further improvement of the utility model, a punching plate is arranged at the top of the steam homogenizing chamber, a # -shaped vertical plate support is arranged below the punching plate, the bottom of the # -shaped vertical plate support is supported in the conical hopper through a plurality of pull nails, steam inlets are symmetrically arranged on the side wall between the # -shaped vertical plate support and the conical hopper, a water outlet is arranged at the lowest position of the conical hopper and connected with steam cleaning and draining pipes, and the steam cleaning and draining pipes are converged and then drained into a sewage treatment station.

As a further improvement of the utility model, the inlet of the clean steam drain pipe is provided with a U-shaped bend, the inlet of the U-shaped bend is connected with the water outlet through a flange, the outer end head of the clean steam drain pipe penetrates through a stuffing box, the stuffing box is fixed on the side wall of the tower body, the inner wall of the stuffing box and the outer wall of the clean steam drain pipe are sealed through stuffing, and the outer end head of the clean steam drain pipe is screwed with a threaded flange.

As a further improvement of the utility model, the side wall of the upper part of each steaming layer is respectively provided with at least one steaming exhaust port, each steaming exhaust port is respectively connected with a steaming exhaust pipe through an inclined branch pipe, each inclined branch pipe is respectively provided with an exhaust regulating valve, and the parts of the steaming exhaust pipe corresponding to the outlets of each inclined branch pipe are respectively provided with a quick-opening hand hole.

As a further improvement of the utility model, a clear water spraying pipe for uniformly spraying the rice hulls is arranged on the top wall or the upper side wall of the top clear steaming layer.

As a further improvement of the utility model, a sampler is mounted on the side wall of the cooling layer, the sampler comprises a guide cylinder and a sampling cylinder, the inner port of the guide cylinder is fixed on the side wall of the tower body, the bottom of the middle section of the guide cylinder is provided with a blanking port, two sides of the blanking port are respectively provided with a long clamping groove and a short clamping groove which extend along the axial direction, the outer end heads of the long clamping groove and the short clamping groove are parallel and level and have a phase difference of 180 degrees, and the inner end head of the short clamping groove is connected with the long clamping groove through an arc-shaped transverse groove; the sampling cylinder is inserted into the inner cavity of the guide cylinder, the two ends of the sampling cylinder are sealed with each other, the middle section of the sampling cylinder is provided with a sampling window with two closed ends, and the handle penetrates through the long clamping groove or the short clamping groove and is screwed on the side wall of the outer end head of the sampling cylinder; when the handle is positioned in the short clamping groove, the sampling window faces downwards.

Compared with the prior art, the utility model has the following beneficial effects: 1. the rice hull cleaning and steaming machine adopts a sealed cylindrical multi-layer space, has good sealing performance, does not leak, and reduces the occupied area; and meanwhile, a plurality of layers of steaming layers are arranged, so that the steam utilization efficiency can be improved, and the yield is improved while the steaming effect is ensured.

2. A dehumidification layer is arranged below the steaming layer, and after steaming, the moisture content of the rice hulls can be controlled through hot air, so that the discharging quality is ensured, and the service time is prolonged; the cooling layer is configured below the dehumidification layer, so that the occupied area is further reduced, the filtered normal-temperature air is adopted to cool the rice hulls, the rice hulls can be used after coming out of the equipment, the investment of subsequent cooling equipment and spread cooling equipment is reduced, the pollution source is reduced, and other bacterial pollution is avoided.

3. The traditional horizontal steaming process is converted into layer-by-layer vertical steaming from top to bottom, and the steaming is thorough; meanwhile, each layer is stirred, so that the rice hulls and steam are in all-round contact for steaming for many times; in addition, rice husk recombination can be realized when the upper layer of the steaming layer discharges materials to the lower layer of the steaming layer, and steaming uniformity is further improved.

4. The waste heat of the recyclable steam-cleaning tail gas is used for heating the air used by the dehumidification layer through the heat exchanger, so that the steam consumption is reduced; the used air is less, the air content in the tail gas is less, and the tail gas flow is small; and the tail gas is collected and then washed by a washing tower, and the circulating water absorbs peculiar smell and then is discharged to a sewage treatment plant, so that the influence on the environment is small.

Drawings

The utility model will be described in further detail with reference to the following drawings and detailed description, which are provided for reference and illustration purposes only and are not intended to limit the utility model.

FIG. 1 is a flow chart of the energy-saving and environment-friendly rice hull steaming and cleaning system;

FIG. 2 is a perspective view of the rice hull cleaning and steaming machine of the present invention;

FIG. 3 is a front view of the rice hull cleaning and steaming machine of the present invention;

FIG. 4 is a perspective view of the rice hull cleaning and steaming machine of the present invention;

FIG. 5 is an exploded view of a vapor homogenizing chamber according to the present invention;

FIG. 6 is a cross-sectional view of a vapor homogenizing chamber according to the present invention;

FIG. 7 is a perspective view of an automatic feed gate of the present invention;

FIG. 8 is a perspective view of the steam exhaust pipe of the present invention;

fig. 9 is a perspective view of a sampler of the present invention;

fig. 10 is an exploded view of the sampler of the present invention.

In the figure: 1. a tower body; 1a, feeding air seal valve; 1b, a steam removal exhaust port; 1c, a main shaft; 1d, stirring fins; 2. cleaning and steaming the layer; 2a, a clear water spray pipe; 2b, a high material level sensor; 2c, a top level sensor; 2d, steaming and discharging a material airlock; 3. a steam homogenizing chamber; 3a steam inlet; 3b, punching a plate; 3c, supporting by using a vertical plate in a shape like a Chinese character 'jing'; 3d, pulling nails; 3e, a conical hopper; 3f.U type bend; 3g, steaming a drain pipe; 3h, a stuffing box; 3i. a threaded flange; 4. an automatic blanking door; 4a, a door frame; 4b, arc-shaped doors; 4c, a fan-shaped supporting plate; 4d, a door shaft; 4e, floating swing arm; 4f, floating plate; 4g, balancing a swing arm; 4g1. rotation stop projection; 4h, balancing weight; 4i, limiting plate; 4j, limiting rubber; 5. a dehumidification layer; 5a, a material level sensor of a dehumidification layer; 5b, a dehumidifying and blanking air seal machine; 6. a hot air homogenizing chamber; 7. a cooling layer; a cooling layer material level sensor; 7b, cooling and discharging the air seal machinery; 8. a cold air homogenizing chamber; 9. a sampler; 9a, a guide cylinder; 9a1. blanking port; 9a2. long card slot; 9a3. arc-shaped transverse groove; 9a4. short card slot; 9b, sampling tube; 9b1. sampling window; 9c, a handle; 10. steaming the exhaust pipe; 10a, an exhaust regulating valve; and 10b, quickly opening the hand hole. 11. A tail gas heat exchanger; 12. a steam heat exchanger; 13. a cyclone dust collector; 14. a dust removal fan; 15. spraying a washing tower; 16. a filter; 17. a scrubber fan; 18. a washing pump; 19. a sewage pump; 20. a sewage treatment station; G1. a steam pipe; G2. a dehumidification hot air exhaust pipe; G3. a cooling air discharge pipe; G4. a reclaimed water pipeline; v1, an air return door; v2, an exhaust door; v3. hot air discharge regulating valve; v4. discharge regulating valve for cooling air; v5. steam heating medium regulating valve; v6. desiccant media regulating valve.

Detailed Description

As shown in fig. 1 to 8, the energy-saving and environment-friendly rice hull steaming system comprises a rice hull steaming machine, the rice hull steaming machine comprises a cylindrical tower body 1, a feeding air-tight valve 1a is installed at a feeding port at the top of the tower body 1, a plurality of steaming layers 2 are arranged on the upper portion of the tower body 1, a steam-homogenizing chamber 3 is respectively arranged at the bottom of each steaming layer 2, a dehumidifying layer 5 is arranged below the steam-homogenizing chamber at the bottom, a hot air-homogenizing chamber 6 is arranged at the bottom of the dehumidifying layer 5, a cooling layer 7 is arranged below the hot air-homogenizing chamber 6, and a cold air-homogenizing chamber 8 is arranged at the bottom of the cooling layer 7. A main shaft 1c is arranged along the axis of the tower body, the bottoms of the steaming layer 2, the dehumidifying layer 5 and the cooling layer 7 are respectively provided with a stirring fin 1d, and the root of each stirring fin 1d is respectively fixed on the main shaft 1c.

The side wall of the upper part of each steaming layer is respectively provided with at least one steaming exhaust port, each steaming exhaust port is respectively connected with a steaming exhaust pipe 10, the outlet of the steaming exhaust pipe 10 is connected with an exhaust door V2 and a return door V1, the outlet of the return door V1 is connected with the hot side inlet of the tail gas heat exchanger 11, and the hot side outlet of the tail gas heat exchanger 11 is connected with the inlet of the cyclone dust collector 13; a cold side inlet of the tail gas heat exchanger 11 is communicated with air, a cold side outlet of the tail gas heat exchanger 11 is connected with a cold side inlet of the steam heat exchanger 12, and a cold side outlet of the steam heat exchanger 12 is connected with an air inlet of the hot air homogenizing chamber 6; a dehumidification hot air outlet on the upper side wall of the dehumidification layer is connected with an inlet of the cyclone dust collector 13 through a dehumidification hot air exhaust pipe G2 and a hot air discharge regulating valve V3; the top outlet of the cyclone dust collector 13 is connected with the inlet of the dust removing fan 14, and the outlet of the dust removing fan 14 and the outlet of the exhaust door V2 are connected with the air inlet of the spray washing tower 15.

The side wall of the cold air homogenizing chamber is provided with an air inlet, the side wall of the upper part of the cooling layer is provided with a cooling air outlet, and the cooling air outlet is connected with the inlet of the cyclone dust collector 13 through a cooling air discharge pipe G3 and a cooling air discharge regulating valve V4.

The side wall of each steam homogenizing chamber is respectively provided with a steam inlet, each steam inlet is respectively connected with a steam pipe G1 through a steam cleaning and heating medium adjusting valve V5, and the opening degree of each steam cleaning and heating medium adjusting valve V5 is respectively controlled by the temperature of a corresponding steam cleaning layer; the hot side inlet of the steam heat exchanger 12 is connected with a steam pipe G1 through a dehumidifying heat medium adjusting valve V6, and the opening degree of the dehumidifying heat medium adjusting valve V6 is controlled by the exhaust air temperature of the dehumidifying layer.

The top outlet of the spray washing tower 15 is connected with the inlet of a washing tower fan 17, and the outlet of the washing tower fan 17 is communicated with the atmosphere. A bottom circulating port of the spray washing tower 15 is connected with an inlet of a washing pump 18, an outlet of the washing pump 18 is connected with an inlet of a filter 16, and an outlet of the filter 16 is connected with a washing spray pipe at the top of the spray washing tower 15; a water outlet at the bottom of the spray washing tower 15 is connected with an inlet of a sewage pump 19, and an outlet pipeline of the sewage pump 19 is connected with a sewage treatment station 20; the water replenishing port of the spray washing tower 15 is connected with a reclaimed water pipeline G4 from the sewage treatment station 20.

After entering the inner cavity of the tower body from the feeding air seal valve 1a, rice hulls firstly pass through the clear steaming layers 2, a steam homogenizing chamber 3 is arranged at the bottom of each clear steaming layer 2, and steam flows upwards from the steam homogenizing chamber 3 to perform clear steaming on the rice hulls; the sealed cylindrical multi-layer space is adopted, so that the sealing performance is good, no leakage exists, and the occupied area is reduced; the steam utilization efficiency can be improved by configuring the multilayer steaming layer 2, and the yield is improved while the steaming effect is ensured; and any number of steaming layers 2 can be connected in series according to specific steaming yield, so that enough steaming time is provided, the steaming effect is ensured, and the occupied area is further reduced.

The rice hulls contain pectin, pentosan and the like, harmful substances such as methanol, furfural and the like can be generated in the fermentation and cooking processes, and are also sources of peculiar smells such as bitter taste, fishy smell, stink smell and the like in the white spirit, the proportion of the harmful ingredients can be reduced through multi-layer steaming, the mildew smell and the raw bran smell in the rice hulls are removed, impurities are reduced, and the rice hulls are the fundamental means for improving the quality of the wine.

A dehumidification layer 5 is arranged below the steaming layer 2, and after steaming, the moisture content of the rice hulls can be controlled through hot air, so that the discharging quality is ensured, and the service life is prolonged; the bottom of the dehumidification layer 5 is provided with a hot air chamber 6, hot air can enter the hot air chamber 6 from one or more air inlets, and then the hot air penetrates the air homogenizing plate densely provided with the small holes upwards to be in full contact with the rice husks.

A cooling layer 7 is arranged below the dehumidification layer 5, a cold air homogenizing chamber 8 is arranged at the bottom of the cooling layer 7, and filtered normal-temperature air can pass through the cold air homogenizing chamber 8 from one or more air inlets and upwards perform reverse contact cooling on rice hulls, so that the rice hulls can be used after coming out of the equipment, subsequent cooling equipment and spread cooling equipment are reduced, pollution sources are reduced, and other bacterial pollution is avoided.

The top layer material level sensor 2c is installed on the top layer of steaming, the automatic discharging door 4 controlled by the material height of the next layer is respectively arranged in each steam homogenizing chamber 3 above the bottom steam homogenizing chamber, and the steam-cleaning discharging air seal device 2d controlled by the top layer material level sensor 2c and discharging to the dehumidifying layer 5 is arranged in the bottom steam homogenizing chamber. Except for the bottom steaming layer, each upper steaming layer 2 is automatically fed to the lower layer through an automatic feeding door 4, and the feeding speed of the bottom steaming layer is controlled according to the material level height of the top steaming layer through a steaming and feeding air seal machine 2d, so that the linkage of each steaming layer is realized; the material discharging airlock 2d isolates the gas phase of the steaming layer 2 and the dehumidifying layer 5 while discharging.

A dehumidifying layer material level sensor 5a is arranged on the dehumidifying layer 5, and a dehumidifying blanking air seal device 5b controlled by the dehumidifying layer material level sensor 5a is arranged on the hot air homogenizing chamber 6; the dehumidifying blanking air seal 5b isolates the gas phase of the dehumidifying layer 5 and the cooling layer 7 while blanking.

The cooling layer 7 is provided with a cooling layer material level sensor 7a, and the cold air homogenizing chamber 8 is provided with a cooling discharge air seal machine 7b controlled by the cooling layer material level sensor 7a.

Automatic blanking door 4 is including the door frame 4a that runs through even steam chamber 3, the lower port of door frame 4a is equipped with the arc door 4b that can open and close, the both ends of arc door 4b weld respectively on the cambered surface of fan-shaped backup pad 4c, the centre of a circle department of fan-shaped backup pad 4c is fixed with door-hinge 4d, inboard door-hinge articulates on door frame 4a through the bearing frame, outside door-hinge passes through the bearing frame and supports on the tower body lateral wall, the floating swing arm 4e is installed through the parallel key to the inner end that outside door-hinge is located the tower body, the kickboard 4f of perception material level is installed to the free end of floating swing arm 4e, outer end that the outer door-hinge stretches out the tower body installs counter weight swing arm 4g through the parallel key, counter weight 4h is installed to the free end of counter weight swing arm 4g.

The rice husk is spread out along the bottom of each steaming layer 2 that is the top of even steam chamber 3 under the promotion of stirring wing 1d, and after lower layer material level reached certain height, the material promoted the kickboard 4f come-up under the stirring effect of stirring wing 1d, and kickboard 4f drives door-hinge 4d through unsteady swing arm 4e and rotates, and door-hinge 4d drives arc door 4b through fan-shaped backup pad 4c and rotates to the door frame feed opening, and the feed opening on this layer closes little or closes gradually, can control the bed of material height steadily, and the time of steaming clearly is guaranteed in the same place, makes the product stable quality. When the material level reduced, arc door 4b can open automatically again, and the size of opening need not artifical nurse according to material level and the high automatically regulated of kickboard 4f. The counterweight block 4h provides a counterweight, and the rotation of the arc-shaped door 4b is more portable.

Be equipped with a plurality of kickboards mounting hole along the length direction of the swing arm 4e that floats, be equipped with a plurality of balancing weight mounting holes along the length direction of balance weight swing arm 4g, use the kickboard mounting hole of difference to be convenient for adjust the working length of the swing arm 4e that floats, change the bed of material height that needs, adaptable different output. Different counterweight block mounting holes are used, the length of the force arm of the counterweight block 4h can be adjusted, the arc door 4b can flexibly operate, and impact is reduced.

When there is no material, if the floating swing arm 4e is directed vertically downward, it is difficult to lift up the floating plate 4f when the material reaches below the floating plate 4f. This equipment is equipped with at counter weight swing arm 4 g's root upside and ends protruding 4g1, when the feed opening aperture is the biggest, ends protruding 4g1 of changeing and supports and lean on in the below of spacing rubber 4j, and the top of spacing rubber 4j is equipped with limiting plate 4i, and limiting plate 4i fixes on the tower body. Limiting rubber 4j can reduce the action and strike, and when feed opening aperture was the biggest, limiting plate 4i and limiting rubber 4j stopped counter weight swing arm 4g to continue to rotate, and door- hinge 4d and 4e that float keep no longer rotating in step, prevent that arc door 4b from overturning excessively, the swing arm 4e that floats this moment keeps an initial angle along the stirring direction with the horizontal plane, and when the material of being convenient for reachd the kickboard 4f bottom, kickboard 4f can upwards float very easily.

The top of even steam chamber 3 is equipped with board 3b of punching a hole, and the below of board 3b of punching a hole is equipped with groined type riser and supports 3c, and groined type riser supports the bottom of 3c and supports in awl fill 3e through a plurality of blind rivets 3d, and the lateral wall symmetry that groined type riser supported 3c and awl between the fill 3e is equipped with steam inlet 3a, and the lowest of awl fill 3e is equipped with the outlet and is connected with the steam removal drain pipe 3g.

The aperture of the punching plate can be customized according to the needs, the manufacturing cost is low, and the processing is convenient; a groined vertical plate support 3c is adopted below the punching plate 3b, and the punching plate 3b is supported without deformation, so that the flatness of the punching plate 3b is ensured, and material residues during discharging are reduced; the lower part of the well-shaped vertical plate support 3c is welded on the inner wall of the cone bucket 3e through a certain number of cylindrical pull nails 3d. Steam enters a space below the # -shaped vertical plate supports 3c from each steam inlet 3a simultaneously, upwards passes through the punching plate 3b and uniformly enters the material layer, and rice hulls are steamed; the condensed water is collected at the lowest part of the conical hopper 3e and is discharged from the steam-removing and draining pipe 3g.

The inlet of the clear steaming drain pipe 3g is provided with a U-shaped bend 3f, the inlet of the U-shaped bend 3f is connected with a water outlet through a flange, the outer end of the clear steaming drain pipe 3g penetrates through a stuffing box 3h, the stuffing box 3h is fixed on the side wall of the tower body, the inner wall of the stuffing box 3h and the outer wall of the clear steaming drain pipe 3g are sealed through stuffing, and the outer end of the clear steaming drain pipe 3g is screwed with a threaded flange 3i. Because the inside of the equipment is high temperature during normal operation, the U-shaped bend 3f can bear larger deformation and expansion with heat and contraction with cold, the clear steaming drain pipe 3g is protected from tearing and leakage, the sealing performance is good, and the service life is long; the part of the steam-cleaning drain pipe 3g, which is close to the conical hopper 3e, is in flange connection, and the part penetrating through the cylinder body is sealed by adopting a filler. When the inside of the steaming drain pipe 3g is blocked and needs to be removed for cleaning, or the steaming drain pipe 3g needs to be replaced subsequently, the connecting flange at the position of the conical hopper 3e is removed, the threaded flange 3i at the outer end is screwed off, and the steaming drain pipe 3g can be taken out from the access hole and replaced without cutting. A plurality of access hand holes with sight glasses are arranged at the periphery of the steam homogenizing chamber 3, so that the internal condition can be observed conveniently, and the cleaning is convenient.

The side wall of the upper part of each steaming layer 2 is respectively provided with at least one steaming exhaust port 1b, each steaming exhaust port 1b is respectively connected with a steaming exhaust pipe 10 through an inclined branch pipe, each inclined branch pipe is respectively provided with an exhaust regulating valve 10a, and the part of the steaming exhaust pipe 10 corresponding to the outlet of each inclined branch pipe is respectively provided with a quick-opening hand hole 10b. Under the suction effect of the steam-removing exhaust pipe 10, exhaust gas of each steam-removing layer 2 is collected into the steam-removing exhaust pipe 10 through the exhaust regulating valve 10a, excessive water vapor generated in the steam-removing process is pumped away, the water vapor is prevented from being condensed in the equipment and breeding bacteria, the moisture in the rice hulls is reduced, and the drying load is reduced. A quick-opening hand hole 10b is arranged at each layer of the steam cleaning and exhausting pipe 10, the quick-opening hand hole 10b can observe the steam extraction effect in time, and the opening degree and the material level height of the exhaust regulating valve 10a can be checked.

One part of tail gas discharged by the steam-cleaning exhaust pipe 10 enters the spray washing tower 15 through the exhaust door V2 for spray washing, the other part of the tail gas enters the hot side of the tail gas heat exchanger 11 through the air return door V1 for preheating the air entering the dehumidification layer, the preheated air is reheated by steam through the steam heat exchanger 12 and then enters the air inlet of the hot air homogenizing chamber, the rice husk is dehumidified and then is discharged from the dehumidification hot air outlet at the upper part of the dehumidification layer, and the dehumidified hot air is discharged through the dehumidification hot air exhaust pipe G2 and the hot air discharge adjusting valve V3 and enters the cyclone dust collector 13 for dust removal. The cooling air discharged from the cooling air outlet on the upper side wall of the cooling layer also enters the cyclone dust collector 13 for dust removal through the cooling air discharge pipe G3 and the cooling air discharge regulating valve V4, and the mixed gas after dust removal also enters the spray washing tower 15 for spray washing under the suction of the dust removal fan 14.

The washing pump 18 pumps water sprayed at the bottom of the washing tower 15, and the water is sent to the filter 16 for filtration, and then enters the washing spray pipe at the top of the washing tower 15 for circular spraying, so as to wash exhaust air. The excessive sewage is pumped by the sewage pump 19 and sent to the sewage station for treatment, and the reclaimed water treated by the sewage station is supplemented to the spray washing tower 15 through a reclaimed water pipeline G4.

High material level sensor 2b is installed to top layer material level sensor 2 c's top, and when the material level was too high, triggers high material level sensor 2b and reports to the police, stops or reduces the feeding of feeding airlock 1a, avoids taking place the equipment damage accident.

The top wall or the upper side wall of the top steaming layer is provided with a clear water spraying pipe 2a which sprays the rice hulls evenly. Before steaming, rice hulls are sprayed and wetted, and the moisture of the material in the first steaming layer can be adjusted according to the moisture of the raw material, so that the steaming effect and the material quality can be improved, and the risk of spontaneous combustion in the steaming machine can be prevented.

In the embodiment, three layers of steaming layers are taken as an example, during production, rice husks fall into a first steaming layer from a feeding air seal valve 1a, the rice husks are spread along the circumference of the bottom of the first steaming layer under the action of a stirring fin 1d, automatic discharging doors 4 of the first steaming layer and a second steaming layer are in an open state, materials fall into the second steaming layer from the first steaming layer, then fall into a third steaming layer from the second steaming layer, a steaming discharging air seal device 2d of the third steaming layer is in a closed state, and the material level of the third steaming layer slowly rises along with the rotation of the stirring fin 1d and the discharging of the materials.

When the material level rises to the floating plate 4f of the automatic discharging door 4 of the second steaming layer to swing, the arc door 4b of the automatic discharging door of the second layer is slowly closed, and the material level in the second steaming layer slowly rises.

When the material level risees to the kickboard 4f swing of the automatic unloading door 4 on first clear layer of evaporating, the arc door 4b of the automatic unloading door of first layer slowly closes, and the intraformational material level of first clear layer slowly risees, when the material level risees to the body swing of top layer material level sensor 2c, the clear unloading of third clear layer of evaporating air seal machinery 2d begins to start to automatic material level adjustment rotational speed according to first clear layer of evaporating.

The material falls into dehumidification layer 5 from the clear unloading air seal machinery 2d that evaporates of third clear layer of evaporating, and the dehumidification unloading air seal machinery 5b of dehumidification layer 5 bottom this moment is in the closed condition, and the material level in the dehumidification layer 5 slowly risees, and when the material level rose to the body swing of dehumidification layer material level sensor 5a, the unloading air seal machinery 5b that dehumidifies began to start to automatic material level adjustment rotational speed according to dehumidification layer 5.

The material falls into cooling layer 7 from dehumidification unloading air seal machinery 5b, and cooling ejection of compact air seal machinery 7b is in the closed condition this moment, and the material level in cooling layer 7 slowly risees, and when the body swing of cooling layer material level sensor 7a was rised to the material level, the cooling unloading air seal machinery began to start to automatic material level adjustment rotational speed according to cooling layer 7.

As shown in fig. 4, 9 and 10, a sampler 9 is mounted on the side wall of the cooling layer 7, the sampler 9 includes a guide cylinder 9a and a sampling cylinder 9b, the inner port of the guide cylinder 9a is fixed on the side wall of the tower body, the bottom of the middle section of the guide cylinder 9a is provided with a blanking port 9a1, two sides of the blanking port 9a1 are respectively provided with a long notch 9a2 and a short notch 9a4 which extend along the axial direction, the outer ends of the long notch 9a2 and the short notch 9a4 are flush and have a phase difference of 180 °, and the inner end of the short notch 9a4 is connected with the long notch 9a2 through an arc-shaped transverse notch 9a 3; the sampling cylinder 9b is inserted into the inner cavity of the guide cylinder 9a, two ends of the sampling cylinder are sealed with each other, the middle section of the sampling cylinder 9b is provided with a sampling window 9b1 with two closed ends, and the handle 9c passes through the long clamping groove 9a2 or the short clamping groove 9a4 and is screwed on the outer end side wall of the sampling cylinder 9 b; when the handle 9c is positioned in the short card slot 9a4, the sampling window 9b1 faces downward.

The sampler 9 is used for sampling, so that the product can be conveniently checked and monitored, production parameters can be adjusted, and the quality can be controlled. During normal production, the handle 9c is located the outer end of short draw-in groove 9a4, and the sampling cylinder 9b is in the state of taking out, and is located guide cylinder 9a inner chamber completely, and sampling window 9b1 is downward, and guide cylinder 9a is sealed by the sealing ring of sampling cylinder 9b periphery and the blind plate at sampling window 9b1 both ends, cuts off material and cold wind.

During sampling, the handle 9c slides into the long clamping groove 9a2 along the arc-shaped transverse groove 9a3, the sampling window 9b1 is turned upwards, the handle 9c slides inwards along the long clamping groove 9a2 to drive the sampling cylinder 9b to extend into the inner cavity of the tower body, and materials enter the sampling window 9b 1; then the handle 9c slides outwards along the long clamping groove 9a2 to draw out the sampling tube 9b, then the handle 9c slides into the short clamping groove 9a4 along the arc-shaped transverse groove 9a3, the sampling window 9b1 is turned downwards again, and the material sample is poured out. Each step is all guided by the card groove, can not produce the maloperation, and the outer wall of sampling tube 9b is equipped with multichannel sealing ring and keeps sealed with guide cylinder 9a all the time simultaneously.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention. In addition to the above examples, the present invention may have other embodiments where the rice hulls described herein may be rice hulls, as well as other cereal hulls such as sorghum hulls, corn flakes, bran, and the like. All technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope of the claims of the present invention. Technical features of the present invention which are not described may be implemented by or using the prior art, and will not be described herein.

Claims (9)

1. The utility model provides an energy-concerving and environment-protective rice husk clear system of evaporating, includes the clear machine that evaporates of rice husk, the clear machine that evaporates of rice husk includes cylindric tower body, the feed inlet department at tower body top installs feed air lock, its characterized in that: the upper part of the tower body is provided with a plurality of steaming layers, and the bottoms of the steaming layers are respectively provided with a steam homogenizing chamber; a dehumidification layer is arranged below the bottom steam-homogenizing chamber, and a hot air-homogenizing chamber is arranged at the bottom of the dehumidification layer; a cooling layer is arranged below the hot air homogenizing chamber, and a cold air homogenizing chamber is arranged at the bottom of the cooling layer; the side wall of the upper part of each steaming layer is respectively provided with at least one steaming exhaust port, each steaming exhaust port is respectively connected with a steaming exhaust pipe, the outlet of each steaming exhaust pipe is connected with an exhaust door and a return air door, the outlet of the return air door is connected with the hot side inlet of the tail gas heat exchanger, and the hot side outlet of the tail gas heat exchanger is connected with the inlet of the cyclone dust collector; a cold side inlet of the tail gas heat exchanger is communicated with air, a cold side outlet of the tail gas heat exchanger is connected with a cold side inlet of the steam heat exchanger, and a cold side outlet of the steam heat exchanger is connected with an air inlet of the hot air homogenizing chamber; a dehumidification hot air outlet on the upper side wall of the dehumidification layer is connected with an inlet of the cyclone dust collector through a dehumidification hot air exhaust pipe and a hot air discharge regulating valve; and an outlet at the top of the cyclone dust collector is connected with an inlet of a dust removal fan, and an outlet of the dust removal fan and an outlet of the exhaust door are connected with an air inlet of the spray washing tower together.

2. The energy-saving and environment-friendly rice hull steaming and cleaning system according to claim 1, is characterized in that: the side wall of the cold air homogenizing chamber is provided with an air inlet, the side wall of the upper part of the cooling layer is provided with a cooling air outlet, and the cooling air outlet is connected with the inlet of the cyclone dust collector through a cooling air discharging pipe and a cooling air discharging regulating valve.

3. The energy-saving and environment-friendly rice hull steaming and cleaning system according to claim 1, is characterized in that: the side wall of each steam homogenizing chamber is respectively provided with a steam inlet, each steam inlet is respectively connected with a steam pipe through a steam cleaning and heating medium adjusting valve, and the opening degree of each steam cleaning and heating medium adjusting valve is respectively controlled by the temperature of the corresponding steam cleaning layer; the hot side inlet of the steam heat exchanger is connected with a steam pipe through a dehumidification heat medium adjusting valve, and the opening degree of the dehumidification heat medium adjusting valve is controlled by the exhaust air temperature of the dehumidification layer.

4. The energy-saving and environment-friendly rice hull steaming and cleaning system according to claim 1, is characterized in that: the bottom circulating port of the spray washing tower is connected with the inlet of a washing pump, the outlet of the washing pump is connected with the inlet of a filter, and the outlet of the filter is connected with a washing spray pipe at the top of the spray washing tower; a water outlet at the bottom of the spray washing tower is connected with an inlet of a sewage pump, and an outlet pipeline of the sewage pump is connected with a sewage treatment station; and a water replenishing port of the spray washing tower is connected with a reclaimed water pipeline from a sewage treatment station.

5. The energy-saving and environment-friendly rice hull steaming and cleaning system according to claim 1, is characterized in that: the top clear steaming layer is provided with a top layer material level sensor, the bottom uniform steam chamber is provided with a clear steaming blanking air seal machine which is controlled by the top layer material level sensor and discharges materials to the dehumidification layer, and each uniform steam chamber above the bottom uniform steam chamber is respectively provided with an automatic blanking door controlled by the height of the material of the next layer; the dehumidification layer is provided with a dehumidification layer material level sensor, and the hot air homogenizing chamber is provided with a dehumidification blanking air seal machine controlled by the dehumidification layer material level sensor; the cooling layer is provided with a cooling layer material level sensor, and the cold air homogenizing chamber is provided with a cooling discharge air seal machine controlled by the cooling layer material level sensor; the main shaft is arranged along the axis of the tower body, the bottom of each steaming layer, the bottom of each dehumidifying layer and the bottom of each cooling layer are respectively provided with a stirring fin, and the root of each stirring fin is respectively fixed on the main shaft.

6. The energy-saving and environment-friendly rice hull steaming and cleaning system according to claim 1, is characterized in that: the top of even steam room is equipped with the board of punching a hole, the below of the board of punching a hole is equipped with groined type riser and supports, groined type riser supports the bottom through a plurality of blind rivets support in the awl is fought, groined type riser supports and bores the lateral wall symmetry between fighting and be equipped with steam inlet, the lower of awl fill is equipped with the outlet and is connected with the steam removal drain pipe, discharges into the sewage treatment station after each steam removal drain pipe converges.

7. The energy-saving and environment-friendly rice hull steaming and cleaning system according to claim 6, is characterized in that: the inlet of the clear steam drain pipe is provided with a U-shaped bend, the inlet of the U-shaped bend is connected with the water outlet through a flange, the outer end head of the clear steam drain pipe penetrates through a packing box, the packing box is fixed on the side wall of the tower body, the inner wall of the packing box and the outer wall of the clear steam drain pipe are sealed through packing, and the outer end head of the clear steam drain pipe is screwed with a threaded flange.

8. The energy-saving and environment-friendly rice hull steaming and cleaning system according to claim 1, is characterized in that: and a clear water spraying pipe for uniformly spraying the rice hulls is arranged on the top wall or the upper side wall of the top clear steaming layer.

9. The energy-saving and environment-friendly rice hull steaming and steaming system according to any one of claims 1 to 8, characterized in that: the side wall of the cooling layer is provided with a sampler, the sampler comprises a guide cylinder and a sampling cylinder, an inner port of the guide cylinder is fixed on the side wall of the tower body, the bottom of the middle section of the guide cylinder is provided with a blanking port, two sides of the blanking port are respectively provided with a long clamping groove and a short clamping groove which extend along the axial direction, the outer end heads of the long clamping groove and the short clamping groove are parallel and level and have a phase difference of 180 degrees, and the inner end head of the short clamping groove is connected with the long clamping groove through an arc-shaped transverse groove; the sampling cylinder is inserted into the inner cavity of the guide cylinder, the two ends of the sampling cylinder are sealed with each other, the middle section of the sampling cylinder is provided with a sampling window with two closed ends, and the handle penetrates through the long clamping groove or the short clamping groove and is screwed on the side wall of the outer end head of the sampling cylinder; when the handle is positioned in the short clamping groove, the sampling window faces downwards.

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