CN210486282U

CN210486282U - Dust collecting device and compound fertilizer drying system

Info

Publication number: CN210486282U
Application number: CN201921341322.7U
Authority: CN
Inventors: 林家成
Original assignee: Sichuan Xinsifang Fertilizer Co ltd
Current assignee: Sichuan Xinsifang Fertilizer Co ltd
Priority date: 2019-08-18
Filing date: 2019-08-18
Publication date: 2020-05-08
Anticipated expiration: 2029-08-18

Abstract

The utility model provides a dust collecting device and a compound fertilizer drying system, wherein the dust collecting device comprises a shell, a water tank, a dust collecting assembly, a water spraying assembly and a blow-off pipe; one end of the shell is provided with an air inlet, and the other end of the shell is provided with an air outlet; the upper part of the water tank is connected with the lower part of the shell; the dust collection assembly is arranged in the shell. The water spraying assembly comprises a plurality of water spraying heads, is connected with the shell and is arranged above the dust collecting assembly; the drain pipe is connected with the water tank. The compound fertilizer drying system comprises a dryer, an exhaust fan and a dust collecting device; the dryer, the dust collecting device and the exhaust fan are connected in sequence through pipelines. The hot air enters a dust collecting device after coming out of the dryer, and the dust collecting device filters dust carried by the hot air. Above-mentioned dust arrester installation and compound fertilizer drying system, it has significantly reduced the dust volume in the drying-machine exhaust tail gas, has reduced the pollution to the environment.

Description

Dust collecting device and compound fertilizer drying system

Technical Field

The utility model relates to a compound fertilizer production field particularly, relates to a dust arrester installation and compound fertilizer drying system.

Background

The production process of the compound fertilizer roughly comprises the working procedures of batching, pelleting, drying, cooling, screening, coating, packaging and the like; after granulation, the compound fertilizer needs to be dried in order to adjust the humidity because of its high humidity. When the compound fertilizer is dried, the compound fertilizer is generally fed into a dryer, hot air with a certain flow rate is introduced into the dryer, and when the hot air passes through the dryer, the compound fertilizer can be dried on one hand, and on the other hand, the compound fertilizer powder in the dryer can be taken away. If the tail gas from the dryer is directly discharged, the environment is inevitably polluted. Therefore, the dust collecting device has important significance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dust arrester installation, it can reduce the dust content in the drying-machine tail gas.

The utility model discloses realize like this in fact:

a dust collecting apparatus comprising:

the air conditioner comprises a shell, a fan and a controller, wherein the shell comprises two side plates which are oppositely arranged at intervals, one end of the shell is provided with an air inlet, and the other end of the shell is provided with an air outlet;

the water tank comprises two inclined plates and two trapezoidal plates, wherein the two inclined plates are obliquely arranged, the two trapezoidal plates are oppositely arranged at intervals, and two sides of each inclined plate are respectively connected with the waists of the two trapezoidal plates; the upper part of the water tank is connected with the lower part of the shell;

the dust collecting assembly comprises dust collecting cloth, a first roller and a second roller; the first roller is rotatably connected with the two side plates, and the second roller is connected with the two side plates or the two trapezoidal plates; the dust collection cloth is sleeved on the first roller and the second roller;

the water spraying assembly comprises a plurality of water spraying heads, is connected with the shell and is arranged above the dust collecting assembly;

and the drain pipe is connected with the water tank.

The water level control assembly comprises a floating ball, a pull rope, a sewer pipe, a valve plate, a rotating shaft and a torsion spring;

the upper end of the downcomer is connected with the inclined plate of the water tank, and the valve plate is arranged in the downcomer and is rotatably connected with the downcomer through the rotating shaft; the torsion spring is sleeved on the rotating shaft, and the valve plate is normally closed;

the floating ball is connected with the valve plate through the pull rope.

Furthermore, the end part of the downcomer is connected with a baffle ring, and the inner surface of the baffle ring is provided with a sealing gasket; when the valve plate is closed, the valve plate is abutted to the blocking ring sealing gasket.

Further, the sprinkler head comprises a water pipe and a water outlet grating, and the water outlet grating is rotatably connected with the water pipe;

the water outlet grille comprises a middle connecting cylinder, an outer ring and a plurality of guide vanes, and the outer ring and the middle connecting cylinder are arranged concentrically; the guide vanes are strip-shaped, extend along the radius direction of the outer ring in the length direction, one end of each guide vane is connected with the middle connecting cylinder, and the other end of each guide vane is connected with the outer ring;

the width direction of the guide vane and the axis direction of the middle connecting cylinder are obliquely arranged.

The water outlet grille also comprises a connecting shaft, and the connecting shaft is arranged coaxially with the middle connecting cylinder and is connected with the middle connecting cylinder;

the middle part of the water outlet of the water pipe is provided with an installation cylinder, and the installation cylinder is fixedly connected with the inner wall of the water pipe through a connecting rod; the connecting shaft is installed in the installation cylinder.

Further, dust arrester installation includes a plurality of basins, a plurality of subassembly and a plurality of blow off pipe of gathering dust, every it corresponds one to gather dust the subassembly setting basin and a blow off pipe, and set up the top of basin.

Further, the blow-off pipe also comprises a driving motor and a worm gear speed reducer, and the driving motor is in transmission connection with the turning plate through the worm gear speed reducer.

Further, a plurality of the nozzles are arranged in a matrix.

The utility model provides a compound fertilizer drying system, include drying-machine, air exhauster and dust arrester installation, the drying-machine dust arrester installation reaches the air exhauster loops through the pipe connection.

Further, the drying machine also comprises a cyclone dust collector, and the cyclone dust collector is connected between the drying machine and the dust collecting device.

The utility model has the advantages that:

above-mentioned dust arrester installation and compound fertilizer drying system, during the use, the air exhauster makes whole system in produce the negative pressure at the terminal work of system. Heated air enters from one end of the dryer, is drawn from the other end, and enters the dust collecting apparatus. The dust collecting device is internally provided with dust collecting cloth which is vertically arranged; when the hot air carries dust to the position of the dust collecting cloth, part of the dust can be filtered by the dust collecting cloth. Meanwhile, due to the fact that the water spraying assembly sprays water, on one hand, sprayed water can directly enable part of dust to fall into the water tank along with water drops, on the other hand, the dust collecting cloth can be kept wet, and therefore the dust collecting cloth can absorb more dust. In addition, the dust collection cloth is driven by the rollers to be in cyclic transmission, so that the adsorbed dust can fall into the water tank in time. Above-mentioned dust arrester installation and compound fertilizer drying system, it has significantly reduced the dust volume in the drying-machine exhaust tail gas, has reduced the pollution to the environment.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of the overall structure of a drying system provided in the embodiment of the present invention;

fig. 2 is a schematic structural diagram of a dust collecting apparatus provided in the embodiment of the present invention;

fig. 3 is a cross-sectional view of a-a of fig. 1 according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a spray head provided by an embodiment of the present invention;

fig. 5 is a bottom view of the water outlet grille shown in fig. 4 according to an embodiment of the present invention.

FIG. 6 is a schematic structural view of a valve plate of the water level control device according to the embodiment of the present invention in a closed state;

fig. 7 is a schematic structural view of a valve plate of a water level control device provided by the embodiment of the present invention in a closed state.

Icon: 010-a drying system; 100-dust collecting device; 110-a housing; 112-side plate; 120-a water tank; 130-a dust collection assembly; 131-a first roller; 132-a second roller; 133-dust collecting cloth; 140-a water spray assembly; 141-water spray head; 142-a water pipe; 143-water outlet grille; 1431-middle connecting cylinder; 1432-outer ring; 1433-guide vanes; 1434-connecting axis; 144-a mounting cylinder; 145-connecting rod; 150-a sewage draining pipe; 152-a tube body; 160-water level control assembly; 161-floating ball; 162-a pull rope; 163-a downcomer; 164-a valve plate; 165-stop ring; 200-a dryer; 300-a cyclone dust collector; 400-an exhaust fan.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.

Example (b):

referring to fig. 1, the present embodiment provides a compound fertilizer drying system 010, which includes a dryer 200, an exhaust fan 400 and a dust collecting device 100; the dryer 200, the dust collecting apparatus 100 and the exhaust fan 400 are connected in sequence through pipes. The hot air is discharged from the dryer 200 and introduced into the dust collecting apparatus 100, and the dust collecting apparatus 100 filters dust carried by the hot air.

The dryer 200 adopts a roller dryer 200, namely, a roller is horizontally arranged or arranged at a certain inclination angle, and the compound fertilizer is fed into the roller; when the roller rotates, the compound fertilizer is conveyed from one end to the other end and falls down through the blanking port. Since the dryer 200 can be directly purchased, it will not be described in detail.

A cyclone 300 is further disposed between the dryer 200 and the dust collecting apparatus 100, and is mainly used for separating dust from the dryer 200 according to particle size. The cyclone dust collector 300 includes a cylinder, an air inlet pipe and an air outlet pipe; wherein, the air inlet pipe is horizontally arranged and is tangentially connected with the outer circumferential wall of the cylinder body; the air outlet pipe is vertically arranged and is vertically connected with the upper cover plate of the cylinder. The air inlet pipe is connected with an air outlet of the dryer 200, the air from the dryer 200 carries dust to enter the cylinder through the air inlet pipe and then spirally sinks along the inner wall of the cylinder, the dust with larger granularity falls along a blanking port at the bottom of the cylinder, and the dust with smaller granularity flows out of the air outlet pipe along with the air and enters the dust collecting device 100. Since the cyclone 300 can be directly purchased, a detailed description of its specific structure will not be given.

Referring to fig. 1, 2 and 3, the dust collecting apparatus 100 is connected to an air outlet pipe of a cyclone 300, and is used for filtering dust from the cyclone 300, and includes a housing 110, a dust collecting assembly 130, a water spraying assembly 140, a water tank 120 and a sewage discharge pipe 150. A dust collecting assembly 130 is disposed in the housing 110 for filtering passing dust; the water spray assemblies 140 are disposed at the upper portion of the housing 110, and spray water to the inside of the housing 110 to facilitate dust settling and spray water to the dust collection assembly 130 to facilitate dust adsorption. The water tank 120 is disposed at a lower portion of the housing 110 to receive water sprayed from the water spray assembly 140. A soil discharge pipe 150 is provided at the bottom of the water tank 120 for discharging dust deposited at the bottom of the water tank 120.

The casing 110 is a cuboid, and includes a top plate, two side plates 112 and two end plates, the bottom of which is connected to the water tank 120, and the casing 110 and the water tank 120 form a relatively closed cavity. One end of the housing 110 is connected to an air outlet pipe of the cyclone collector 300, and the other end is connected to the exhaust fan 400. In this embodiment, two adjacent water tanks 120 are disposed at the bottom of the housing 110, and the two water tanks 120 are arranged along the length direction of the housing 110. Each basin 120 includes two inclined plates disposed at an incline and two trapezoidal plates disposed at an opposing spacing. Wherein, the trapezoidal plate is vertically arranged and connected with the bottom edge of the side plate 112; two inclined plates are rectangular plates, and two sides of each inclined plate are respectively connected with the waist of the two trapezoidal plates, so that the two inclined plates are approximately V-shaped.

A dust collecting assembly 130 is disposed above each water tank 120, and the dust collecting assembly 130 includes a dust collecting cloth 133, a first roller 131, and a second roller 132. Both ends of the first roller 131 are rotatably connected to the two side plates 112 of the housing 110, respectively, and both ends of the second roller 132 are rotatably connected to the two trapezoidal sides of the water tank 120, respectively; the dust collection cloth 133 is fitted over the first roller 131 and the second roller 132, and the connection of the dust collection cloth 133, the first roller 131, and the second roller 132 is similar to the connection of a belt to a pulley. The assembled dust collecting cloth 133 is vertically disposed and perpendicular to the length direction of the housing 110. The air from the air inlet of the housing 110 flows out of the air outlet after passing through the dust collecting cloth 133, and the dust in the air is filtered by the dust collecting cloth 133. The dust collecting cloth 133 is made of a material similar to those of dust collecting bags in the prior art, and may be made of glass fiber, for example. The housing 110 is externally provided with a motor, and the motor is in transmission connection with the first roller 131 and is used for driving the first roller 131 and the second roller 132 to rotate. Strip-shaped baffles are vertically arranged on the inner walls of the side plates 112 of the shell 110 and are used for reducing air leakage between the side edges of the dust collecting cloth 133 and the side plates 112.

The water tank 120 can store a certain amount of water, and since the second roller 132 is rotatably coupled to the two trapezoidal plates of the water tank 120, the second roller 132 thereof can be soaked in the water of the water tank 120. This enables dust on the dust collecting cloth 133 to fall into the water tank 120 during soaking. In order to drop more dust on the dust collection cloth 133 into the water tank 120, a fixed shaft and a brush may be further provided in the water tank 120, the fixed shaft and the second roller 132 are arranged in parallel at an interval, and the brush is provided on the fixed shaft; when the dust collection cloth 133 is driven, the brush can scrape off dust on the dust collection cloth 133.

Referring to fig. 4 and 5, the water spraying assembly 140 includes a plurality of water spraying heads 141, the water spraying heads 141 are arranged in a matrix shape and fixedly connected to a top plate of the housing 110, and the water spraying heads 141 are communicated with an external water source pipe. In the working process, the water spraying head 141 sprays water into the shell 110, on one hand, the water spraying head can directly settle wind and dust in wind, and on the other hand, the water spraying head can conveniently wet the dust collecting cloth 133 so as to adsorb dust. In order to increase the water spray area of the single sprinkler head 141 and atomize the sprayed water, the sprinkler head 141 in the present embodiment is provided with a water outlet grill 143.

Specifically, the sprinkler head 141 includes a water pipe 142, a connecting shaft 1434 and a water outlet grill 143, and the water outlet grill 143 is rotatably connected to the water pipe 142. The water outlet grille 143 includes a middle connecting cylinder 1431, an outer ring 1432 and a plurality of guide vanes 1433; the outer ring 1432 is concentric with the middle connecting cylinder 1431, a plurality of connecting rods 145 are arranged between the outer ring 1432 and the connecting cylinders, the connecting rods 145 extend along the radius of the outer ring 1432, one end of each connecting rod is connected with the outer ring 1432, and the other end of each connecting rod is connected with the connecting cylinder. The connecting shaft 1434 is coaxially arranged with the middle connecting cylinder 1431 and connected with the middle connecting cylinder 1431; the middle part of the water outlet of the water pipe 142 is provided with a mounting cylinder 144, and the mounting cylinder 144 is fixedly connected with the inner wall of the water pipe 142 through a connecting rod 145; the connecting shaft 1434 is installed in the mounting cylinder 144.

The guide vane 1433 of the water outlet grille 143 is strip-shaped, the guide vane 1433 extends along the radius direction of the outer ring 1432 in the length direction, one end of the guide vane 1433 is connected with the middle connecting cylinder 1431, and the other end is connected with the outer ring 1432. The width direction of the guide vane 1433 is inclined from the axial direction of the middle connection cylinder 1431. The structure makes the water from the water outlet grating 143 form a certain included angle with the axis of the water pipe 142; during the process of the water coming out of the water outlet grille 143, the guide vane 1433 is given a certain pressure, which makes the water outlet grille 143 receive a certain torque, so that the water outlet grille 143 rotates while the water is discharged. The rotation of the water outlet grill 143 serves to spray water, thereby facilitating atomization of the water flow and increasing the water spray area. The atomized water droplets can adsorb a part of dust during falling and finally fall into the water tub 120. In other embodiments, the spray head can also be a lotus spray head.

Since the water tank 120 receives a certain amount of water and dust, a drain pipe 150 is provided at the bottom of the water tank 120 in order to facilitate the discharge of the dust and sewage. The soil discharge pipe 150 includes a pipe body 152 and a flap, an upper end of the pipe body 152 is connected to the lowermost portion of the tub 120, and the flap is rotatably connected to a lower end of the pipe body 152. Because the basin 120 includes two hang plates, after the dust falls into in the basin 120, it returns along the hang plate landing to the body 152 of bottom under the effect of gravity, when the dust volume in the body 152 is more, opens the flap and can discharge the dust and partial sewage of gathering in the body 152. In order to facilitate the control of the opening and closing of the turning plate, the sewage pipe 150 further comprises a driving motor and a worm gear reducer, and the driving motor is in transmission connection with the turning plate through the worm gear reducer. In other embodiments, the flap, the driving motor and the worm gear reducer are not required to be arranged, and the stop valve is directly arranged on the sewage discharge pipe 150 and is manually controlled to be opened and closed periodically.

In addition, referring to fig. 2, 6 and 7, since the water spraying assembly 140 continuously sprays water, the water level in the water tank 120 is higher and higher. In order to control the water level in the water tank 120 within a reasonable range, the dust collecting apparatus 100 is further provided with a water level control assembly 160. The water level control assembly 160 comprises a floating ball 161, a pull rope 162, a sewer pipe 163, a valve plate 164, a rotating shaft and a torsion spring; the upper end of the downcomer pipe 163 is connected to the middle of the inclined plate of the water tank 120. The downcomer 163 is a square pipe, the end of which is connected with a baffle ring 165, and the inner surface of the baffle ring 165 is provided with a sealing gasket; the valve plate 164 is arranged in the lower water pipe 163 and is rotatably connected with the lower water pipe 163 through a rotating shaft; the torsion spring is sleeved on the rotating shaft, and enables the valve plate 164 to be normally closed; the float 161 is connected to a valve plate 164 via a pull cord 162. When the valve plate 164 is closed, the valve plate 164 abuts against the gasket of the stopper ring 165 to seal the drain pipe 163 from water leakage.

The working principle of the water level control device is as follows: when the water level is high, the floating ball 161 is subjected to the buoyancy of water, and the floating ball 161 pulls the valve plate 164 through the pull rope 162; when the valve plate 164 is opened against the elastic force of the torsion spring, the water in the water tank 120 can flow out of the drain pipe 163. When the water level drops to the preset level, the float ball 161 descends relative to the valve plate 164, the pull rope 162 is loosened, and the valve plate 164 is closed by the elastic force of the torsion spring.

The working principle of the drying system 010 provided by this embodiment is as follows:

the exhaust fan 400 exhausts air to keep negative pressure in the whole system, and heated air enters from one end of the dryer 200 under the action of the exhaust fan 400 and is exhausted from the other end of the dryer 200 after drying the compound fertilizer; the drawn air carries a certain amount of dust, large particles in the dust settle in the cyclone 300, and the rest of the particles are taken into the dust collecting apparatus 100. When wind passes through the two dust collecting assemblies 130 in sequence, the dust collecting assemblies 130 are subjected to secondary filtration, and the dust carrying amount of the filtered wind can be directly discharged after reaching the discharge standard.

It should be noted that the dust collecting apparatus 100 in this embodiment uses two dust collecting assemblies 130 for secondary filtration, and in other embodiments, one or other numbers of dust collecting assemblies 130 may be used.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A dust collecting apparatus, characterized by comprising:

and the drain pipe is connected with the water tank.

2. The dust collecting device according to claim 1, further comprising a water level control assembly, wherein the water level control assembly comprises a floating ball, a pull rope, a sewer pipe, a valve plate, a rotating shaft and a torsion spring;

the upper end of the downcomer is connected with the water tank, and the valve plate is arranged in the downcomer and is rotatably connected with the downcomer through the rotating shaft; the torsion spring is sleeved on the rotating shaft, and the valve plate is normally closed;

the floating ball is connected with the valve plate through the pull rope.

3. The dust collecting device according to claim 2, wherein a baffle ring is connected to the end of the downcomer, and a sealing gasket is arranged on the inner surface of the baffle ring; when the valve plate is closed, the valve plate is abutted to the blocking ring sealing gasket.

4. The dust collecting device according to claim 1, wherein the water spray head comprises a water pipe and a water outlet grid, and the water outlet grid is rotatably connected with the water pipe;

5. The dust collecting device according to claim 4, wherein the water outlet grille further comprises a connecting shaft, and the connecting shaft is coaxially arranged with the middle connecting cylinder and is connected with the middle connecting cylinder;

6. The dust collecting device according to claim 1, comprising a plurality of water tanks, a plurality of dust collecting assemblies and a plurality of sewage pipes, wherein each dust collecting assembly is provided corresponding to one of the water tanks and one of the sewage pipes and is arranged above the water tank.

7. The dust collecting device according to claim 1, wherein the drain pipe comprises a pipe body and a turning plate, the upper end of the pipe body is connected with the bottom of the water tank, and the turning plate is rotatably connected with the lower end of the pipe body and can open or close a pipe orifice of the pipe body.

8. A compound fertilizer drying system is characterized by comprising a dryer, an exhaust fan and the dust collecting device of any one of claims 1 to 7, wherein the dryer, the dust collecting device and the exhaust fan are sequentially connected through a pipeline.

9. The compound fertilizer drying system of claim 8, further comprising a cyclone dust collector connected between the dryer and the dust collecting apparatus.