Stirring device for vehicle urea

Abstract

The utility model belongs to the technical field of stirring devices, and in particular relates to a vehicle urea stirring device which comprises a motor, a stirring tank, a motor bracket and supporting legs, the supporting legs are obliquely arranged on the bottom surface of the stirring tank; the motor is arranged on the motor bracket, extends into the stirring tank and is connected with the stirring shaft through a coupling; a connecting rod and blades are arranged on the stirring shaft, and the connecting rod is obliquely arranged; the inner wall of the stirring tank comprises an inner wall and an outer wall, a cavity is formed between the inner wall and the outer wall, and a copper pipe is wound in the cavity; one end of the copper pipe is provided with a water inlet pipe on the bottom surface of the stirring tank, and the other end of the copper pipe is provided with a water outlet pipe above the outer wall of the stirring tank. The stirring tank is unique in structure and novel in improvement, the copper pipe is wound in the stirring tank, the water inlet pipe passing through the bottom surface of the stirring tank is in contact with a cold water supply device, the water outlet pipe is in contact with the discharge pipe, and the temperature of the whole stirring tank can be reduced due to the effect of the copper pipe.

Description

Technical Field

[0001] The invention relates to the technical field of stirring devices, in particular to a stirring device for automotive urea. Background Art

[0002] Automotive urea is usually used in diesel engines. It is a liquid used in SCR (selective catalytic reduction) technology. Its composition is 32.5% high-purity urea and 67.5% deionized water. The purpose of use is to reduce nitrogen oxide pollutants emitted by diesel engines. In the production of automotive urea, manufacturers need to purify urea and separate the charged particles in the water to make deionized water, and then use 32.5% high-purity urea and 67.5% deionized water for proportioning, and finally form the automotive urea we use. In the production process of automotive urea, a stirring tank is often required to stir the raw materials. In the prior art, Henan Beilu Environmental Protection Technology Development Co., Ltd. applied for "A Stirring Tank for Automotive Urea Machine" on December 30, 2019. This structure is simple, but lacks a cooling structure, and its refrigeration effect is poor. For this reason, our company designed "A Stirring Tank for Automotive Urea" last year as a local structural optimization, and specially applied for this invention creation. Utility Model Content

[0003] In order to solve the above-mentioned problems in the prior art, the utility model provides a stirring device for vehicle urea, which can improve the above-mentioned deficiencies.

[0004] The utility model relates to a stirring device for automotive urea, comprising a motor, a stirring tank, a motor bracket and support legs, and also comprising a vibration component, wherein the stirring tank is cylindrical, and its bottom surface has an outwardly convex conical surface, and its height is 35-42 cm; the support legs are arranged obliquely on the bottom surface of the stirring tank, and are made of Q235 steel; the motor is arranged on the motor bracket and extends into the stirring tank and is connected with a reducer, and the reducer is coaxially connected with the stirring shaft; a connecting rod and a blade are arranged on the stirring shaft; a connecting rod is symmetrically arranged at the end of the stirring shaft, and an arc-shaped paddle is arranged at the end of the connecting rod; a feed port is arranged on one side of the top surface of the stirring tank, a discharge port is arranged at the center of its bottom surface, and a sealing cap is arranged on the feed port; the inner wall of the stirring tank comprises an inner wall and an outer wall, a red copper heat conductive layer is arranged on the outer side of the inner wall, and a thick The thickness is about 2mm, and there is a cavity between the inner wall and the outer wall, wherein the inner wall and the outer wall are both cast with 304 stainless steel, and copper tube UV glue and thermal conductive powder are arranged on the surface thereof, and the thermal conductive powder can be a mixture of two or more of aluminum hydroxide, aluminum oxide, magnesium oxide, aluminum nitride, and boron nitride; a copper tube is wound in the cavity, and thermal conductive silicone is filled between the outer periphery of the copper tube and the cavity. Thermal conductive silicone is a high-end thermal conductive compound. The design of thermal conductive silicone can increase its heat dissipation effect, and the copper tube solder is on one side of the inner wall; one end of the copper tube is located on the bottom surface of the stirring tank to set a water inlet pipe, and the other end of the copper tube is located above the outer wall of the stirring tank to set a water outlet pipe, and one end of the vibration component is penetrated into the stirring tank from the top wall of the stirring tank, and there is a gap between the edge of the blade and the vibration component.

[0005] Furthermore, a liquid level meter is provided on the stirring tank.

[0006] Furthermore, a temperature sensor, a concentration sensor and a heating device are arranged in the stirring tank, a spiral stainless steel oil pipe is arranged in the heating device, hot oil and a heating rod are arranged in the oil pipe, and the heating rod is connected to the heating circuit. The temperature and concentration of the inner wall of the stirring tank can be detected by the temperature sensor and the concentration sensor.

[0007] Furthermore, one end of the connecting rod is detachably fixed to the stirring shaft, and the other end is fixed to the blade bolt, and the number of the connecting rods is 3 to 5.

[0008] Furthermore, the vibration component is a variable frequency vibration rod.

[0009] Furthermore, the area of ​​the blades gradually increases from top to bottom.

[0010] Further, the length of the connecting rod in the middle is shorter than the connecting rods at the top and bottom ends.

[0011] Furthermore, an anti-corrosion coating is provided on the outer wall of the stirring tank.

[0012] Furthermore, a CIP cleaning mechanism is provided in the mixing tank, and the inner wall of the mixing tank can be cleaned by a CIP cleaner.

[0013] The utility model has a unique structure and novel improvement. A copper tube is wound in a stirring tank, wherein a water inlet pipe through the bottom of the stirring tank contacts a cooling water supply device, and a water outlet pipe contacts a discharge pipe. Due to the effect of the copper tube, the temperature of the entire stirring tank can be reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 Schematic diagram of the structure of the utility model.

[0015] Figure 2 Schematic diagram of the inner wall structure of the stirring tank.

[0016] Diagram: 1 motor, 2 mixing tank, 3 motor bracket, 31 bracket, 32 reducer, 33 vibration component, 4 liquid level gauge, 5 stirring shaft, 6 blades, 61 connecting rod, 62 tilt rod, 63 curved paddle, 7 supporting leg, 71 first contact surface, 72 second contact surface, 8 water inlet pipe, 9 discharge port, 10 solenoid valve switch, 11 filter plate, 12 concentration sensor, 13 temperature sensor, 14 water outlet pipe, 15 feed port, 16 connecting rod, 17 copper tube, 18 inner wall, 19 cavity, 20 outer wall, 21 anti-corrosion coating, 22 CIP cleaning mechanism, 23 heating device, 24 red copper thermal conductive layer. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0018] like Figure 1 and 2As shown, the utility model relates to a stirring device for automotive urea, comprising a motor 1, a stirring tank 2, a motor bracket 3 and a support leg 7, and also comprising a vibration component 33. The stirring tank is cylindrical, and its bottom surface has a convex conical surface, and its height is 35-42 cm; the support leg is obliquely arranged on the bottom surface of the stirring tank, the motor is arranged on the motor bracket 31 and extends into the stirring tank and is connected to a reducer 32, and the reducer is coaxially connected to the stirring shaft; a connecting rod 61 and a blade 6 are arranged on the stirring shaft; an inclined rod 62 is symmetrically arranged at the end of the stirring shaft, and an arc-shaped paddle 63 is arranged at the end of the inclined rod; a feed port is arranged on one side of the top surface of the stirring tank. 15, a discharge port 9 is arranged at the center of the bottom surface, a solenoid valve switch 10 is arranged on the discharge port, and a sealing cap is arranged on the feed port; the inner wall of the mixing tank includes an inner wall 18 and an outer wall 20, and there is a cavity 19 between the inner wall and the outer wall, wherein the inner wall and the outer wall are both cast with 304 stainless steel, a red copper heat-conducting layer is arranged on the outer side of the inner wall, a copper tube 17 is wound in the cavity, and heat-conducting silica gel is filled between the outer periphery of the copper tube and the cavity, and the heat-conducting silica gel is designed to increase its heat dissipation effect, and the copper tube is soldered on one side of the inner wall; one end of the copper tube is located on the bottom surface of the mixing tank to set a water inlet pipe 8, and the other end of the copper tube is located above the outer wall of the mixing tank to set a water outlet pipe 14. One end of the vibration component penetrates into the mixing tank from the top wall of the mixing tank, and there is a gap between the edge of the blade and the vibration component.

[0019] As a technical improvement, a liquid level meter 4 is provided on the stirring tank.

[0020] Furthermore, a temperature sensor 13, a concentration sensor 12 and a heating device 23 are arranged in the stirring tank, through which the temperature and concentration of the inner wall of the stirring tank can be detected.

[0021] In order to facilitate installation and fixation, one end of the connecting rod can be detachably fixed to the stirring shaft, and the other end is bolted to the blade 6, and the number of connecting rods is 3.

[0022] As a technical improvement, the vibration component is a variable frequency vibration rod.

[0023] Taking the agitation intensity into consideration, the area of ​​the blades 6 gradually increases from top to bottom.

[0024] As a technical improvement, the length of the connecting rod in the middle is shorter than the connecting rods at the top and bottom ends.

[0025] As a technical improvement, an anti-corrosion coating 21 is provided on the outer wall of the mixing tank.

[0026] As a technical improvement, a CIP cleaning mechanism 22 is provided in the mixing tank, and the inner wall of the mixing tank can be cleaned by a CIP cleaner.

[0027] A controller is arranged outside the mixing tank, and the controller is connected with the reducer and the vibration component signal to realize speed control.

[0028] This scheme designs an arc-shaped paddle to increase the stirring intensity of the bottom plate of the mixing tank. At the same time, a vibration component is added to further increase the stirring intensity. When in use, the water inlet pipe at the bottom of the mixing tank is connected to the cold water supply device. Cold water enters the mixing tank and flows along the copper tube. Since thermal conductive silicone is arranged on the surface of the copper tube, the heat generated in the mixing tank can be absorbed and then discharged from the water outlet.

Claims

1. A stirring device for automotive urea, comprising a motor, a stirring tank, a motor bracket and a support leg, and also comprising a vibration component, characterized in that: The stirring tank is cylindrical, and its bottom surface has a convex conical surface; the supporting legs are arranged on the bottom surface of the stirring tank at an angle; the motor is arranged on the motor bracket and extends into the stirring tank and is connected to a reducer, and the reducer is coaxially connected to the stirring shaft; a connecting rod and a blade are arranged on the stirring shaft; an inclined rod is symmetrically arranged at the end of the stirring shaft, and an arc-shaped paddle is arranged at the end of the inclined rod; a feed port is arranged on one side of the top surface of the stirring tank, and a discharge port is arranged at the center position of its bottom surface; the inner wall of the stirring tank includes an inner wall and an outer wall, a red copper heat-conducting layer is arranged on the outer side of the inner wall, a cavity is arranged between the inner wall and the outer wall, a copper tube is wound in the cavity, and heat-conducting silica gel is filled between the outer periphery of the copper tube and the cavity, and the copper tube is soldered on one side of the inner wall; a water inlet pipe is arranged on one end of the copper tube, and a water outlet pipe is arranged on the other end of the copper tube above the outer wall of the stirring tank, one end of the vibration component penetrates into the stirring tank from the top wall of the stirring tank, and there is a gap between the edge of the blade and the vibration component.

2. The stirring device for automotive urea according to claim 1, characterized in that: A liquid level gauge is arranged on the stirring tank.

3. The stirring device for automotive urea according to claim 1, characterized in that: A temperature sensor, a concentration sensor and a heating device are arranged in the stirring tank.

4. The stirring device for automotive urea according to claim 1, characterized in that: One end of the connecting rod is detachably fixed to the stirring shaft, and the other end is fixed to the blade bolt. The number of the connecting rods is 3 to 5.

5. The stirring device for automotive urea according to claim 1, characterized in that: The vibration component is a variable frequency vibration rod.

6. The stirring device for automotive urea according to claim 5, characterized in that: The area of ​​the blades increases gradually from top to bottom.

7. The stirring device for automotive urea according to claim 5, characterized in that: The connecting rod in the middle is shorter than the connecting rods at the top and bottom ends.

8. The stirring device for automotive urea according to claim 1, characterized in that: The outer wall of the stirring tank is provided with an anti-corrosion coating.

9. The stirring device for automotive urea according to claim 1, characterized in that: A CIP cleaning mechanism is arranged in the stirring tank.

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