CN214075080U

CN214075080U - Automobile-used urea dewatering device

Info

Publication number: CN214075080U
Application number: CN202022821644.0U
Authority: CN
Inventors: 褚振宠
Original assignee: Hebei Chunyue Environmental Protection Technology Co ltd
Current assignee: Hebei Chunyue Environmental Protection Technology Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-08-31
Anticipated expiration: 2030-11-30

Abstract

The utility model relates to an automobile-used urea dewatering device, including first dehydration jar, second dehydration jar, moisture absorption mechanism, the second dehydration jar is located the below of first dehydration jar and communicates rather than inside, fixed baffle is in order to split into epicoele and cavity of resorption with it in the first dehydration jar, be equipped with first discharging pipe on the baffle, install the solenoid valve on the first discharging pipe. The utility model discloses a baffle is cut apart into two cavitys of epicoele and cavity of resorption with first dehydration jar, and the cavity of resorption carries out temporary storage to the automobile-used urea of going up the intracavity in the epicoele, and the secondary dehydration of automobile-used urea in the second dehydration jar can go on simultaneously in the first dehydration jar of the first dehydration of last intracavity automobile-used urea, has not only improved work efficiency, carries out twice dehydration to automobile-used urea moreover, and the dehydration effect is better.

Description

Automobile-used urea dewatering device

Technical Field

The utility model relates to an automobile-used urea production technical field, concretely relates to automobile-used urea dewatering device.

Background

The SCR solution has significant advantages in the tail gas emission treatment system of national iv diesel vehicles, whereas automotive urea is a necessary additive for the SCR solution. As the national four emission standards of diesel vehicles are gradually promoted by various cities, the demand of the urea for vehicles or blowout occurs. When the automobile urea solution is produced, the solution containing urea crystals needs to be dehydrated to obtain urea particles, a dehydration device is used for dehydration, the heating temperature is controlled below 133 ℃, the solution containing the urea crystals is heated, the liquid is taken away, and the effect of forming the particles through dehydration is achieved. However, in the prior art, the automobile urea dehydration device only dehydrates once when in use, a small amount of aqueous solution still remains in the automobile urea, and the dehydration effect is poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the utility model provides a vehicle urea dehydration device.

In order to achieve the above object, the utility model adopts the following technical scheme:

a vehicle urea dehydration device comprises a first dehydration tank, a second dehydration tank and a moisture absorption mechanism, wherein a stirring component is arranged in the first dehydration tank, the second dehydration tank is positioned below the first dehydration tank and communicated with the interior of the first dehydration tank, a partition board is fixed in the first dehydration tank to divide the first dehydration tank into an upper cavity and a lower cavity, a first discharging pipe is arranged on the partition plate, an electromagnetic valve is arranged on the first discharging pipe, the lower cavity is communicated with a second dewatering tank, a plurality of guide plates which are vertically arranged at equal intervals are respectively fixed on the two side walls in the second dewatering tank, an opening is arranged between one end of each guide plate and the inner wall of the second dewatering tank, so that the vehicle urea in the second dehydration tank is discharged from the second dehydration tank according to an S-shaped route, the upper chamber, the lower chamber and the second dehydration tank are respectively provided with an air outlet, the air outlet is communicated with an air outlet pipe, and the air outlet pipe is connected with the moisture absorption mechanism to dehumidify the gas discharged by the air outlet pipe.

Preferably, interlayers are installed on the outer walls of the first dewatering tank and the second dewatering tank, and water conveying ports are respectively arranged at the top end and the bottom end of each interlayer so as to convey circulating hot water into the interlayers.

In any of the above embodiments, preferably, the partition has a funnel-shaped structure, and the first discharge pipe is located in a central portion of the partition.

In any of the above schemes, preferably, the top of the side walls of the first dewatering tank and the second dewatering tank are both provided with air inlets, the air inlets are connected with an air inlet pipe, and the air inlet pipe is connected with a hot air blower to convey hot air into the first dewatering tank and the second dewatering tank.

Preferred in any one of the above-mentioned schemes, moisture absorption mechanism includes the jar body, gets rid of a section of thick bamboo, drive assembly, the jar body is located one side of second dewatering tank, aqueous solution is placed to the internal bottom of jar, the outlet duct extends to in the internal aqueous solution of jar, the bottom of getting rid of a section of thick bamboo stretches into inside and fixed rotating shaft from the top of the jar body, the top that is connected and is located aqueous solution is rotated with jar internal wall to the pivot, drive assembly drive pivot is so that get rid of a section of thick bamboo rotation, get rid of and place moisture absorption sponge in the section of thick bamboo, jar internal getting rid of being equipped with a plurality of holes that leak on the section of thick bamboo lateral wall.

In any of the above schemes, preferably, the top end of the swinging cylinder outside the tank body is in threaded connection with an end cover, the top end of the end cover is provided with an exhaust port, a grid plate is fixed at the central part of the bottom of the end cover, and the grid plate is positioned in the swinging cylinder to press the moisture absorption sponge.

In any of the above schemes, preferably, the water leakage holes are located below the grid plate, and the bottom of the tank body is provided with a water discharge port.

In any of the above schemes, preferably, the driving assembly includes a rotating electrical machine and a driving gear, the rotating electrical machine is fixed at the top of the outer side of the tank body, an output shaft of the rotating electrical machine extends into the tank body and fixes a driving shaft, the driving gear is fixed at the bottom end of the driving shaft, and a driven gear engaged with the driving gear is fixed on the rotating shaft.

In any of the above schemes, preferably, the top end of the first dewatering tank is provided with a feed inlet, and a feed valve is installed on the feed inlet.

In any of the above schemes, preferably, the stirring assembly includes a stirring motor and a stirring shaft, the stirring motor is fixed on the outer wall of the top of the first dewatering tank, the stirring shaft is located in the upper cavity and connected with an output shaft of the stirring motor, and a plurality of stirring rods are fixed on the stirring shaft.

Compared with the prior art, the utility model provides a pair of automobile-used urea dewatering device has following beneficial effect:

1. the first dehydration tank is divided into an upper cavity and a lower cavity by the partition plate, the lower cavity temporarily stores the vehicle urea dehydrated for the first time in the upper cavity, so that the primary dehydration of the vehicle urea in the upper cavity in the first dehydration tank and the secondary dehydration of the vehicle urea in the second dehydration tank can be simultaneously carried out, the working efficiency is improved, the vehicle urea is dehydrated for two times, the dehydration effect is better, the flow path of the vehicle urea in the second dehydration tank is prolonged by the arrangement of the plurality of guide plates, the dehydration is more sufficient, and the dehydration effect is good;

2. the moisture absorption assembly is arranged to absorb the gasified water vapor discharged from the air outlet, so that the water vapor is prevented from being discharged to the outside; set up drive assembly simultaneously and drive and get rid of a section of thick bamboo rotation, spin-dry to the moisture absorption sponge, make the moisture absorption sponge can used repeatedly.

Drawings

Fig. 1 is a schematic overall structure diagram of a preferred embodiment of a urea dehydration device for a vehicle according to the present invention;

fig. 2 is an enlarged view of the absorbent assembly of fig. 1.

The figures are labeled as follows: 1. a first dewatering tank; 2. an interlayer; 3. a partition plate; 4. a first discharge pipe; 5. a second discharge pipe; 6. a feed inlet; 7. a stirring motor; 8. an air outlet pipe; 9. an air outlet; 10. a baffle; 11. a hot air blower; 12. an air inlet pipe; 13. a second dehydration tank; 14. a third discharge pipe; 15. a tank body; 16. throwing a drum; 17. a rotating shaft; 18. a driving gear; 19. a rotating electric machine; 20. an end cap; 21. an exhaust port; 22. a moisture-absorbing sponge; 23. and (4) a grid plate.

Detailed Description

In order to further understand the inventive content of the present invention, the present invention will be explained in detail with reference to the specific embodiments.

As shown in fig. 1-2, according to an embodiment of the present invention, an automobile urea dehydration device comprises a first dehydration tank 1, a stirring component is disposed in the first dehydration tank 1, the automobile urea dehydration device further comprises a second dehydration tank 13 and a moisture absorption mechanism, the second dehydration tank 13 is disposed below the first dehydration tank 1 and is communicated with the inside of the first dehydration tank 1, a partition plate 3 is fixed in the first dehydration tank 1 to divide the first dehydration tank into an upper chamber and a lower chamber, a first discharge pipe 4 is disposed on the partition plate 3, an electromagnetic valve is mounted on the first discharge pipe 4, the lower chamber is communicated with the second dehydration tank 13, a plurality of guide plates 10 which are vertically arranged at equal intervals are fixed on two side walls in the second dehydration tank 13 respectively, an opening is disposed between one end of the guide plates 10 and the inner wall of the second dehydration tank 13, so that automobile urea in the second dehydration tank 13 is discharged from the second dehydration tank 13 according to an S-shaped route, and gas outlets 9 are respectively arranged on the upper chamber, the lower chamber and the second dewatering tank 13, the gas outlets 9 are communicated with a gas outlet pipe 8, and the gas outlet pipe 8 is connected with a moisture absorption mechanism to dehumidify gas discharged from the gas outlet pipe 8.

The outer walls of the first dewatering tank 1 and the second dewatering tank 13 are provided with interlayers 2, the top end and the bottom end of each interlayer 2 are respectively provided with a water conveying port for inputting circulating hot water into the interlayers 2, one water conveying port serves as a water inlet, and the other water conveying port serves as a water outlet, so that the circulating hot water can circulate.

Specifically, the gas outlets 9 corresponding to the upper chamber and the lower chamber are both arranged on the side wall of the first dewatering tank 1, the gas outlet 9 on the lower chamber penetrates through the interlayer 2 and extends to the outside, and a one-way valve is arranged on the gas outlet 9, so that gas can only flow in a one-way manner.

Divide into two cavitys of epicoele and cavity of resorption with first dehydration jar 1 through baffle 3, the epicoele carries out once dehydration to automobile-used urea, automobile-used urea after the epicoele dehydration gets into and flows into second dehydration jar 13 step by step after the cavity down and carries out the secondary dehydration, with remaining moisture discharge in the automobile-used urea, at the secondary dehydration in-process, the epicoele interpolation is waited the automobile-used urea of dehydration to carry out once more, make once dehydration and secondary dehydration can go on simultaneously, the effectual work efficiency that has improved when dehydrating, and the setting of a plurality of guide plates 10, the flow path of automobile-used urea in second dehydration jar 13 has been prolonged, make the dehydration more abundant, it is effectual to dewater.

Baffle 3 is hopper-shaped structure, first discharging pipe 4 is located the central point of baffle 3, and the automobile-used urea of last intracavity is discharged to the intracavity down through first discharging pipe 4.

The bottom of first dewatering tank 1 is equipped with second discharging pipe 5, second discharging pipe 5 is connected so that second discharging pipe 5 and the inside intercommunication of second dewatering tank 13 with the top of second dewatering tank 13, and guide plate 10 is located the below of second discharging pipe 5, and guide plate 10 downward sloping sets up the flow that makes things convenient for automobile-used urea, and the bottom of second dewatering tank 13 is equipped with third discharging pipe 14.

The top of the side walls of the first dewatering tank 1 and the second dewatering tank 13 are provided with air inlets, the air inlets are connected with an air inlet pipe 12, and the air inlet pipe 12 is connected with an air heater 11 to convey hot air into the first dewatering tank 1 and the second dewatering tank 13. The air inlet pipe 12 is positioned at one side of the first dehydration tank 1, and conveys hot air to the upper cavity and the second dehydration tank 13 through the air heater 11, and evaporated water vapor is taken away by the hot air, so that the discharge speed of the water vapor is accelerated.

Moisture absorption mechanism includes jar body 15, gets rid of a section of thick bamboo 16, drive assembly, jar body 15 is located one side of second dewatering tank 13, aqueous solution is placed to the bottom in the jar body 15, in 8 extend to the aqueous solution in the jar body 15 of outlet duct, the bottom of getting rid of a section of thick bamboo 16 stretches into inside and fixed rotating shaft 17 from jar body 15's top, pivot 17 rotates with jar body 15 inner wall and is connected and be located the top of aqueous solution, drive assembly drive pivot 17 is so that get rid of a section of thick bamboo 16 rotatory, place moisture absorption sponge 22 in getting rid of a section of thick bamboo 16, it is equipped with a plurality of holes that leak to get rid of a section of thick bamboo 16 lateral wall in the jar body 15.

Further, the bottom of pivot 17 rotates the joint support pole, the bracing piece is fixed with the lateral wall in the jar body 15.

Through the setting of moisture absorption subassembly, absorb the aqueous vapor of gas outlet 9 combustion gas, avoid aqueous vapor to discharge to the external world.

The top end of the swinging cylinder 16 outside the tank body 15 is in threaded connection with an end cover 20, the top end of the end cover 20 is provided with an exhaust port 21, a grid plate 23 is fixed at the central part of the bottom of the end cover 20, and the grid plate 23 is positioned in the swinging cylinder 16 to press the moisture absorption sponge 22. The bottom center part fixed connection pole of end cover 20, the bottom end fixing grid plate of connecting rod, end cover 20 with get rid of a section of thick bamboo 16 when being connected, the grid plate is located gets rid of a section of thick bamboo 16, the grid plate presses moisture absorption sponge 22 in getting rid of a section of thick bamboo 16, moisture absorption sponge 22 produces and removes and influence the effect that spin-dries when avoiding getting rid of a section of thick bamboo 16 rotation, end cover 20 with get rid of a 16 threaded connection simultaneously, convenient to detach makes moisture absorption sponge 22 change convenient.

The water leakage holes are positioned below the grid plate, and a water outlet is formed in the bottom of the tank body 15.

The driving assembly comprises a rotating motor 19 and a driving gear 18, the rotating motor 19 is fixed at the top of the outer side of the tank body 15, an output shaft of the rotating motor 19 extends into the tank body 15 and fixes a driving shaft, the driving gear 18 is fixed at the bottom end of the driving shaft, and a driven gear meshed with the driving gear 18 is fixed on the rotating shaft 17.

The top of first dewatering tank 1 is equipped with feed inlet 6, install feed valve on the feed inlet 6. The urea for vehicle to be dehydrated is charged into the upper chamber in the first dehydration tank 1 by opening the feed valve.

The stirring assembly comprises a stirring motor 7 and a stirring shaft, wherein the stirring motor 7 is fixed on the outer wall of the top of the first dewatering tank 1, the stirring shaft is positioned in the upper cavity and connected with an output shaft of the stirring motor 7, and a plurality of stirring rods are fixed on the stirring shaft.

Moisture absorption sponge 22 adsorbs the moisture in the gas of outlet duct 8 combustion gas, need spin-dry so that continue to use after moisture absorption sponge 22 adsorbs a large amount of moisture, and agitator motor 7 drives the (mixing) shaft this moment and makes driving gear 18 drive driven gear rotatory to the messenger gets rid of a section of thick bamboo 16 rotatoryly, utilizes centrifugal force to discharge the adsorbed log raft of moisture absorption sponge 22, makes moisture absorption sponge 22 can used repeatedly.

In this embodiment, valves are installed on the second discharging pipe 5, the third discharging pipe 14 and the water outlet, and the diameter of the first discharging pipe 4 in the upper chamber is larger than that of the second discharging pipe 5, so that the vehicle urea in the upper chamber can be rapidly discharged into the lower chamber.

The working principle of the embodiment is as follows: adding the vehicle urea solution to be dehydrated into the upper cavity from the feed port 6, after adding, closing a feed valve on the feed port 6, driving a stirring shaft to rotate by a stirring motor 7 to stir the vehicle urea solution in the upper cavity, which is beneficial to accelerating dehydration, heating the vehicle urea, evaporating the water solution in the vehicle urea to form water vapor, discharging the water vapor from a gas outlet 9 to a gas outlet pipe 8, introducing hot air into the upper cavity and a second dehydration tank 13 by a hot air blower 11 through a gas inlet pipe 12, taking the water vapor out and conveying the water vapor into the gas outlet pipe 8, after the primary dehydration is finished, opening an electromagnetic valve on a first discharge pipe 4, allowing the vehicle urea in the upper cavity to flow into a lower cavity, and flowing into the second dehydration tank 13 through a second discharge pipe to perform secondary dehydration, closing the electromagnetic valve after the vehicle urea in the upper cavity is discharged, closing the first discharge pipe 4, and then adding the vehicle urea solution to be dehydrated again through the feed port 6, then primary dehydration is carried out, the vehicle urea in the lower cavity is continuously discharged into a second dehydration tank 13 for secondary dehydration, the vehicle urea in the second dehydration tank 13 flows to a guide plate 10 from a second discharge pipe 5, an S-shaped flow path is formed by the flow guide of the guide plate 10, and finally the vehicle urea is discharged from a third discharge pipe 14, the water vapor evaporated in the second dehydration tank 13 is taken away by hot air and is discharged to an air outlet pipe 8 through a corresponding air outlet 9, the hot air containing the water vapor in the air outlet pipe 8 is discharged into the aqueous solution in a tank body 15, so that the water vapor is cooled and liquefied, the gas discharged from the aqueous solution enters an adsorption sponge through a water leakage hole, the further water of the gas is absorbed and dried, and then the gas is discharged from an air outlet 21, so that the vehicle urea is dehydrated; when the moisture absorption sponge 22 needs to be dewatered, the rotating motor 19 is started to drive the driving gear 18 to rotate the driven gear, so that the throwing cylinder 16 rotates, the moisture absorption sponge 22 is dried by centrifugal force, and the thrown water falls to the bottom in the tank 15 from the water leakage hole.

It will be understood by those skilled in the art that any combination of the elements of the present invention, including the summary and detailed description of the invention provided in the foregoing description and illustrated in the accompanying drawings, is not to be considered limiting in scope and in order to make the description more concise, and not to describe every element of the combination. 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. The utility model provides a vehicle urea dewatering device, includes first drain sump, set up stirring subassembly, its characterized in that in the first drain sump: still include second dewatering tank, moisture absorption mechanism, the second dewatering tank is located the below of first dewatering tank and rather than inside intercommunication, fixed baffle is in order to be cut apart into epicoele and cavity of resorption with it in the first dewatering tank, be equipped with first discharging pipe on the baffle, install the solenoid valve on the first discharging pipe, cavity and second dewatering tank intercommunication down, be fixed with the guide plate of a plurality of equidistant vertical arrangements on the both sides wall in the second dewatering tank respectively, be equipped with the opening between the one end of guide plate and the second dewatering tank inner wall to make the automobile-used urea in the second dewatering tank discharge from the second dewatering tank according to S type route, be equipped with the gas outlet on epicoele, lower chamber and the second dewatering tank respectively, gas outlet intercommunication outlet duct, the outlet duct is connected with moisture absorption mechanism in order to dehumidify the outlet duct combustion gas.

2. The urea dehydration apparatus for vehicle according to claim 1, wherein: the outer walls of the first dewatering tank and the second dewatering tank are provided with interlayers, and the top end and the bottom end of each interlayer are respectively provided with a water conveying port for conveying circulating hot water into the interlayer.

3. The urea dehydration apparatus for vehicle according to claim 1, wherein: the baffle is hopper-shaped structure, first discharging pipe is located the central point of baffle.

4. The urea dehydration apparatus for vehicle according to claim 1, wherein: the air inlet is connected with the air inlet pipe, and the air inlet pipe is connected with the air heater to convey hot air into the first dewatering tank and the second dewatering tank.

5. The urea dehydration apparatus for vehicle according to claim 1, wherein: the moisture absorption mechanism includes the jar body, gets rid of a section of thick bamboo, drive assembly, the jar body is located one side of second dewatering tank, aqueous solution is placed to the internal bottom of jar, the outlet duct extends to the internal aqueous solution of jar, the bottom of getting rid of a section of thick bamboo stretches into inside and fixed rotating shaft from the top of the jar body, the top that is connected and is located aqueous solution is rotated with a jar internal wall in the pivot, drive assembly drive pivot is so that get rid of a section of thick bamboo rotation, get rid of and place moisture absorption sponge in the section of thick bamboo, the internal section of thick bamboo lateral wall that gets rid of the jar is equipped with a plurality of holes that leak.

6. The urea dehydration apparatus for vehicle according to claim 5, wherein: the top end of the throwing cylinder outside the tank body is in threaded connection with an end cover, the top end of the end cover is provided with an exhaust port, a grid plate is fixed at the center of the bottom of the end cover, and the grid plate is positioned in the throwing cylinder to press moisture absorption sponge.

7. The urea dehydration device for vehicle according to claim 6, wherein: the water leakage holes are located below the grid plate, and a water outlet is formed in the bottom of the tank body.

8. The urea dehydration apparatus for vehicle according to claim 5, wherein: the driving assembly comprises a rotating motor and a driving gear, the rotating motor is fixed to the top of the outer side of the tank body, an output shaft of the rotating motor extends into the tank body and fixes a driving shaft, the bottom end of the driving shaft is fixed to the driving gear, and a driven gear meshed with the driving gear is fixed to the rotating shaft.

9. The urea dehydration apparatus for vehicle according to claim 1, wherein: the top of first dewatering tank is equipped with the feed inlet, install feed valve on the feed inlet.

10. The urea dehydration apparatus for vehicle according to claim 1, wherein: the stirring assembly comprises a stirring motor and a stirring shaft, the stirring motor is fixed on the outer wall of the top of the first dewatering tank, the stirring shaft is located in the upper cavity and connected with an output shaft of the stirring motor, and a plurality of stirring rods are fixed on the stirring shaft.