CN209548777U - A kind of mixing defoaming tank - Google Patents

Abstract

The utility model relates to a kind of mixing to defoam tank, including shell, agitating device, vacuum machine and cloth tray, partition wall is equipped in shell so that the inside of shell is divided into mutually independent mixing chamber and defoaming compartment up and down, agitating device is arranged in mixing chamber, and partition wall is equipped with the feed liquid mouth of connection mixing chamber and defoaming compartment；Evacuator is arranged outside defoaming compartment, be connected to defoaming compartment by vacuum lead, and cloth tray is arranged in defoaming compartment and is arranged below feed liquid mouth, cloth tray be in it is conical, the vertex of a cone is towards feed liquid mouth.Using evacuator vacuum state will be evacuated in defoaming compartment, after raw material is uniformly mixed in mixing chamber by agitating device, enter defoaming compartment by feed liquid mouth and flow to cloth tray, under vacuum, the bubble being distributed in the liquid in cloth tray can rupture, and eliminate, to remove the bubble in feed liquid, the defoaming device structure of the utility model is simple, and defoaming effectiveness is high.

Description

A kind of mixing defoaming tank

technical field

The utility model relates to the technical field of chemical equipment, in particular to a mixing and defoaming tank.

Background technique

In modern society, automobiles have become a very common means of transportation. Automobile exhaust cleaning is very important. In the preparation process of automobile exhaust cleaners, mixing tanks are needed to mix raw materials. Many raw materials are organic substances. A large number of bubbles will be generated during the process, and the bubbles will increase the liquid level of the feed liquid, and even pay for the phenomenon that the liquid overflows the batching container. Therefore, the single output has to be reduced to maintain stable production. In addition, a large amount of foam will also affect the subsequent product packaging. , to reduce the accuracy of product packaging.

Utility model content

In order to solve the above problems, the utility model provides a mixing and defoaming tank capable of reducing air bubbles in the production process.

The technical scheme of the utility model for solving the above-mentioned technical problems is as follows: a mixing and defoaming tank, including a housing, a stirring device, a vacuum pump, and a material distribution tray, and a partition wall is provided in the housing to separate the inside of the housing. It is a mixing chamber and a defoaming chamber that are independent from each other up and down. The stirring device is arranged in the mixing chamber, and a feed liquid port that communicates with the mixing chamber and the defoaming chamber is provided on the partition wall. The feed liquid There is a solenoid valve on the mouth, the vacuum machine is set outside the defoaming chamber, and it communicates with the defoaming chamber through a vacuum pipe, the distributing pan is set in the defoaming chamber, and it is set in the defoaming chamber. Below the feed liquid opening, the distributing pan is conical, with the top of the cone facing the feed liquid opening.

The beneficial effect of the utility model is that: the defoaming chamber is pumped to a vacuum state by a vacuum pump, the raw materials are stirred and mixed evenly by a stirring device in the mixing chamber, and then enter the defoaming chamber through the feed liquid port, and then the mixed feed liquid flows to Distributing tray, under the action of vacuum, the air bubbles in the liquid distributed on the distributing tray will burst and eliminate, so as to remove the air bubbles in the material liquid. Foaming quality, the defoaming device of the utility model has simple structure and high defoaming efficiency.

On the basis of the above technical solutions, the utility model can also be improved as follows.

Further, the defoaming device also includes a ball screw, the ball screw is rotatably arranged vertically in the defoaming chamber, the upper end of the ball screw is provided with a support rod, and the support rod is horizontally arranged, One end thereof is fixedly connected to the inner wall of the defoaming chamber, and its lower end is rotationally connected to the upper end of the ball screw, and the lower end of the ball screw passes downward through the bottom wall of the defoaming chamber and is connected The bottom wall of the chamber is rotatably connected, the lower end of the ball screw is provided with an adjustment handle, the ball screw is provided with a slider, and the slider is provided with a through hole corresponding to the nut of the ball screw. The nut of the ball screw is fixedly arranged in the through hole, and an L-shaped connecting shaft is arranged under the distributing pan, and the distributing pan and the slider are connected through the connecting shaft.

The beneficial effect of adopting the above-mentioned further scheme is that the distributing pan can be moved up and down conveniently with the ball screw, and the distance between the distributing pan and the liquid outlet can be adjusted according to the viscosity of the feed liquid to maintain the best defoaming effect.

Further, a plurality of protrusions are evenly distributed on the outer wall of the distribution pan.

The beneficial effect of adopting the above further scheme is to increase the time for the feed liquid to flow on the outer wall of the distribution pan, so that the feed liquid can fully contact with the vacuum environment and improve the quality of defoaming.

Further, the inner side of the side wall of the mixing chamber is inclined inwardly from top to bottom, and a feeding port is arranged above the mixing chamber, and the feeding port is communicated with a draft tube arranged in the mixing chamber. The guide pipe is arranged obliquely to the upper inner wall of the mixing chamber to guide the raw materials delivered through the feeding port to the upper inner wall of the mixing chamber, and the feeding port is provided with a solenoid valve.

The beneficial effect of adopting the above further scheme is that during the feeding process, the raw materials can be made to flow down along the inner wall of the mixing chamber, the flow velocity of the raw materials can be reduced, the horizontal impact force of the raw materials can be reduced, the splash of dripping liquid and the amount of foam can be reduced, and the foam can be suppressed during the feeding process. generation, thereby improving production efficiency.

Further, the mixing chamber is provided with a defoamer spray head, and the defoamer spray head is arranged on the inside of the top wall of the mixing chamber, and it is connected to the defoamer storage tank outside the housing through a connecting pipe. connected.

The beneficial effect of adopting the above-mentioned further solution is to add a defoamer for defoaming during the stirring and mixing process, so as to avoid excessive air bubbles during the stirring process.

Further, a foam outlet is provided above the side wall of the mixing chamber, and a bubble inlet is provided above the side wall of the defoaming chamber. The pipes are connected, and the bubble outlet and the bubble inlet are respectively provided with solenoid valves.

The beneficial effect of adopting the above further solution is that when too many bubbles are generated, the bubbles will overflow upwards, but the bubbles contain some active ingredients, which need to be retained, and the bubbles cannot be directly discharged, so the bubbles are discharged to the defoaming port through the bubble outlet chamber, and perform defoaming treatment on it.

Further, a PLC controller is also included, and the PLC controller is electrically connected with the electromagnetic valve and the vacuum pumping machine respectively.

The beneficial effect of adopting the above further scheme is that it is convenient to control the opening and closing of the solenoid valve and the vacuum pump.

Description of drawings

Fig. 1 is the structural representation of the utility model.

In the accompanying drawings, the list of parts represented by each label is as follows:

10. Shell, 11. Partition wall, 12. Feed liquid port, 20. Mixing chamber, 21. Feed port, 22. Guide pipe, 23. Defoamer spray head, 24. Connecting pipe, 25. Outlet Bubble mouth, 26, bubble inlet, 27, bubble guide tube, 30, defoaming chamber, 31, vacuum machine, 32, cloth disc, 33, vacuum pipe, 34, ball screw, 35, support rod, 36 , adjusting handle, 37, slide block, 38, connecting shaft, 39, bump, 41, discharge port, 42, discharge pipeline, 43, discharge pump.

Detailed ways

The principles and features of the present utility model are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the utility model, and are not used to limit the scope of the utility model.

As shown in Figure 1, the utility model provides a mixing defoaming tank, including a housing 10, a stirring device, a vacuum machine 31 and a distribution pan 32, the housing 10 is provided with a partition wall 11, so that the The interior of the housing 10 is divided into a mixing chamber 20 and a defoaming chamber 30 which are independent from each other up and down. The partition wall 11 is gradually sunken downward from the circumference to the center, and the stirring device is arranged in the mixing chamber 20. The partition wall 11 is provided with a feed liquid port 12 communicating with the mixing chamber 20 and the defoaming chamber 30, the feed liquid port 12 is arranged at the lowest point of the partition wall 11, and the feed liquid port 12 is provided with There is a solenoid valve, the vacuum pump 31 is arranged outside the defoaming chamber 30, and it communicates with the defoaming chamber 30 through a vacuum pipe 33, and the distributing disc 32 is arranged in the defoaming chamber 30, And it is arranged below described feed liquid port 12, and described material distributing pan 32 is conical, and its conical apex faces described feed liquid port 12, and the bottom end of defoaming chamber 30 is provided with discharge port 41, and discharge port 41 It communicates with the discharge pipeline 42, and the discharge pipeline 42 is provided with a discharge pump 43.

The working principle of the utility model is as follows: use the vacuum pump 31 to pump the defoaming chamber 30 to a vacuum state, and after the raw materials are stirred and mixed evenly by the stirring device in the mixing chamber 20, open the electromagnetic valve on the feed liquid port 12, and the feed liquid Enter the defoaming chamber 30 through the feed liquid port 12, and then the mixed feed liquid flows to the distribution pan 32. Under the action of vacuum, the bubbles in the liquid distributed on the distribution pan 32 will burst and be eliminated to remove the bubbles in the feed liquid. The air bubbles are then discharged through the discharge port. The arrangement of the distribution plate makes the material liquid fully contact with the vacuum environment, which is beneficial to improve the quality of defoaming. The defoaming device of the utility model has simple structure and high defoaming efficiency.

Wherein the stirring device comprises a stirring shaft, a motor and a plurality of stirring paddles, the stirring shaft is vertically arranged in the mixing chamber 20, and its upper end passes through the described mixing chamber 20 upwards and is connected with the motor transmission arranged outside the mixing chamber 20, a plurality of The stirring paddles are arranged at intervals on the outer periphery of the stirring shaft.

Preferably, the mixing and defoaming tank further includes a ball screw 34, the ball screw 34 is rotatably arranged vertically in the defoaming chamber 30, and the upper end of the ball screw 34 is provided with a support rod 35 , the support rod 35 is arranged horizontally, one end of which is fixedly connected with the inner wall of the defoaming chamber 30, and its lower end is rotatably connected with the upper end of the ball screw 34, and the lower end of the ball screw 34 passes through the The bottom wall of the defoaming chamber 30 is rotatably connected with the bottom wall of the defoaming chamber 30 through bearings and bearing seats. The lower end of the ball screw 34 is provided with an adjustment handle 36, and the ball screw 34 is provided with a slider 37. The slider 37 is provided with a through hole corresponding to the nut of the ball screw 34, the nut of the ball screw 34 is fixedly arranged in the through hole, and a L Type connecting shaft 38, the distribution disc 32 and the slider 37 are connected through the connection shaft 38, so that the distribution disc 32 can easily move up and down with the ball screw 34, and the distribution disc can be adjusted according to the viscosity of the feed liquid 32 and the distance between the feed liquid port 12 to maintain the best defoaming effect.

Preferably, a plurality of bumps 39 are evenly distributed on the outer wall of the distribution pan 32 to increase the time for the material liquid to flow on the outer wall of the material distribution pan 32, so that the material liquid can fully contact with the vacuum environment and improve the quality of defoaming.

As preferably, the inner side of the side wall of the mixing chamber 20 is inclined from top to bottom, and a feeding port 21 is arranged above the mixing chamber 20, and the feeding port 21 is arranged in the mixing chamber 20. The guide tube 22 communicates with the upper inner wall of the mixing chamber 20, and the guide tube 22 is inclined to the upper inner wall of the mixing chamber 20, so as to guide the raw materials delivered through the feed port 21 to the upper inner wall of the mixing chamber 20. The material port 21 is provided with a solenoid valve. During the feeding process, the raw materials can be made to flow down along the inner wall of the mixing chamber 20, the flow velocity of the raw materials can be reduced, the horizontal impact force of the raw materials can be reduced, the splashing of drops and the amount of foam can be reduced, and the generation of foam during the feeding process can be suppressed, thereby improving production efficiency .

As preferably, the mixing chamber 20 is provided with a defoamer spray head 23, and the defoamer spray head 23 is arranged on the inside of the top wall of the mixing chamber 20, and it is connected to the The antifoaming agent storage tank outside the housing 10 is connected, and the antifoaming agent is added during the stirring and mixing process for defoaming, so as to avoid excessive air bubbles during the stirring process.

As preferably, a bubble outlet 25 is provided above the side wall of the mixing chamber 20, and a bubble inlet 26 is provided above the side wall of the defoaming chamber 30. The bubble outlet 25 and the bubble inlet 26 are set by The bubble guide tube 27 outside the housing 10 communicates, and the bubble outlet 25 and the bubble inlet 26 are respectively provided with solenoid valves. When too many bubbles are generated, the bubbles will overflow upwards, but the bubbles contain Some active components need to be retained, and the air bubbles cannot be directly discharged, so the air bubbles are discharged to the defoaming chamber 30 through the bubble outlet 25, and the defoaming treatment is performed on them.

Preferably, a PLC controller is also included, and the PLC controller is electrically connected to the solenoid valve and the vacuum machine 31 respectively, so as to control the opening and closing of the solenoid valve and the vacuum machine 31 conveniently.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (7)

1. a kind of mixing defoams tank, which is characterized in that including shell (10), agitating device, evacuator (31) and cloth tray (32), partition wall (11) are equipped in the shell (10), the inside of the shell (10) are divided into mutually independent up and down Mixing chamber (20) and defoaming compartment (30), the agitating device setting are set on the partition wall (11) in the mixing chamber (20) There is the feed liquid mouth (12) of the connection mixing chamber (20) and the defoaming compartment (30), the feed liquid mouth (12) is equipped with solenoid valve；

The evacuator (31) setting the defoaming compartment (30) outside, pass through vacuum lead (33) and the defoaming compartment (30) it is connected to, cloth tray (32) setting is in the defoaming compartment (30), and its setting is in feed liquid mouth (12) lower section, institute Cloth tray (32) are stated in cone, the vertex of a cone is towards the feed liquid mouth (12).

2. a kind of mixing according to claim 1 defoams tank, which is characterized in that further include ball screw (34), the rolling Ballscrew (34) is rotatably vertically arranged in the defoaming compartment (30), and ball screw (34) upper end is equipped with support rod (35), the support rod (35) is horizontally disposed, and one end is fixedly connected with the defoaming compartment (30) inner wall, lower end and the rolling The upper end of ballscrew (34) is rotatablely connected, and the lower end of the ball screw (34) is pierced by downwards the bottom wall of the defoaming compartment (30) simultaneously It is rotatablely connected with the defoaming compartment (30) bottom wall, ball screw (34) lower end is equipped with regulation handle (36), the ball wire Bar (34) is equipped with sliding block (37), and it is corresponding with the nut of the ball screw (34) logical that one is offered on the sliding block (37) Hole, the nut fixed setting of the ball screw (34) in the through hole, are equipped with L shape connecting shaft below the cloth tray (32) (38), the cloth tray (32) is connect with the sliding block (37) by the connecting shaft (38).

3. a kind of mixing according to claim 1 defoams tank, which is characterized in that on the lateral wall of the cloth tray (32) It is furnished with multiple convex blocks (39).

4. a kind of mixing according to claim 1 defoams tank, which is characterized in that the inside sidewalls of the mixing chamber (20) are certainly It is arranged up to lower inward slant, equipped with feed inlet (21), the feed inlet (21) and set on described above the mixing chamber (20) The upper inner wall inclination of diversion pipe (22) connection in mixing chamber (20), diversion pipe (22) the Xiang Suoshu mixing chamber (20) is set It sets, the raw material come in through feed inlet (21) conveying is guided in the upper inner wall of mixing chamber (20), the feed inlet (21) It is equipped with solenoid valve.

5. a kind of mixing according to claim 1 defoams tank, which is characterized in that be equipped with defoaming agent in the mixing chamber (20) Spray head (23), defoaming agent spray head (23) setting pass through connecting tube on the inside of the roof of the mixing chamber (20) (24) it is connected to positioned at the defoaming agent holding vessel of the shell (10) outside.

6. a kind of mixing according to claim 1 defoams tank, which is characterized in that be equipped with above mixing chamber (20) side wall Bubble output hole (25) is equipped with above the side wall of the defoaming compartment (30) into bubble mouth (26), the bubble output hole (25) and described into steeping mouth (26) by setting the shell (10) outside lead bubble pipe (27) be connected to, the bubble output hole (25) and it is described into steep mouth (26) on It is respectively equipped with solenoid valve.

7. a kind of described in any item mixing defoam tank according to claim 1~6, which is characterized in that it further include PLC controller, The PLC controller is electrically connected with the solenoid valve and the evacuator (31) respectively.