A feed proportioning valve cleaning device

Abstract

The utility model discloses a kind of feed proportioning valve cleaning devices, it is characterized by, including: valve body, multiple suction pipes, discharge pipe, the inside of the valve body is equipped with distribution chamber, at least one feed inlet, multiple discharge ports and discharge port being communicated with the distribution chamber are equipped on the valve body, the discharge port is located at the bottom of the valve body;The suction pipe is equipped on the valve body, and the suction pipe is communicated with the distribution chamber by corresponding discharge port;The discharge pipe is equipped on the valve body, and the discharge pipe is equipped at the bottom of the valve body and extends along horizontal direction, and the discharge pipe is communicated with the distribution chamber by the discharge port, and the discharge pipe is adapted to connect negative pressure source at one end away from the valve body.The utility model can remove residual material in proportioning valve, avoid material to stay for a long time, solve the problem that proportioning valve discharges incompletely.

Description

Technical Field

[0001] This utility model relates to a cleaning device for a feeding and mixing valve. Background Technology

[0002] Currently, centralized material supply systems are widely used in industries such as plastics, chemicals, metallurgy, food, and pharmaceuticals. This system introduces materials through the feed inlet of a proportioning valve, and then uses multiple suction pipes to transport the materials from the proportioning valve to various different production equipment, thereby achieving centralized distribution and supply of materials. This centralized material supply method can effectively improve production efficiency, reduce labor costs, and ensure the stability of material supply.

[0003] However, when existing proportioning valves are no longer needed during operation, the material inside the valve must be emptied. Traditional proportioning valves often have structural dead zones during discharge, making it impossible to completely empty the internal material. This residual material remaining in the proportioning valve for extended periods not only affects the purity of the material for the next use but may also cause material deterioration, pipe blockage, and other problems, severely impacting production efficiency and product quality.

[0004] After searching the existing technology, Chinese patent CN204220576U was found to disclose a powder feeding port pipeline cleaning device. This patent uses a cylinder to drive a cleaning head at the end of a piston rod to move along a branch channel, forming a material buffer space within the branch channel of the tee, scraping out the accumulated material inside, thus cleaning the accumulated material at the feeding port. However, this technical solution mainly targets the cleaning of the pipeline feeding port, and still has limitations in completely emptying the inside of the proportioning valve, failing to completely solve the problem of material residue in the proportioning valve discharge. Summary of the Invention

[0005] The technical problem to be solved by this utility model is to overcome the defects of the prior art and provide a feeding and proportioning valve cleaning device, which can remove the residual material in the proportioning valve, avoid the material from staying for a long time, and solve the problem of incomplete material discharge from the proportioning valve.

[0006] To solve the above-mentioned technical problems, the technical solution of this utility model is: a material feeding and proportioning valve cleaning device, comprising:

[0007] The valve body has a material distribution chamber inside, and the valve body has at least one inlet, multiple outlets and a discharge port that are connected to the material distribution chamber. The discharge port is located at the bottom of the valve body.

[0008] Multiple suction pipes are provided on the valve body, and the suction pipes are connected to the dispensing chamber through corresponding discharge ports;

[0009] A discharge pipe is provided on the valve body. The discharge pipe is located at the bottom of the valve body and extends horizontally. The discharge pipe is connected to the material distribution chamber through the discharge port. The end of the discharge pipe away from the valve body is adapted to be connected to a negative pressure source.

[0010] Furthermore, the feeding and proportioning valve cleaning device also includes at least one maintenance branch pipe, which is disposed on the suction pipe and / or the discharge pipe, and the end of the maintenance branch pipe away from the valve body is provided with a removable sealing cap.

[0011] Furthermore, the feeding and proportioning valve cleaning device also includes at least one valve, which is located on the corresponding maintenance branch pipe.

[0012] Furthermore, the valve body includes an upper trapezoidal section and a lower conical section, the material distribution chamber includes a trapezoidal section cavity located in the upper trapezoidal section and a conical section cavity located in the lower conical section, the trapezoidal section cavity and the conical section cavity are connected, the inlet and multiple outlets are all located on the upper trapezoidal section and are connected to the trapezoidal section cavity, and the discharge port is located at the bottom of the lower conical section and is connected to the conical section cavity.

[0013] Furthermore, the lower tapered section has a tapered structure that is wider at the top and narrower at the bottom.

[0014] Furthermore, the feed inlet is located on the side wall of the valve body, and the discharge outlet and the discharge port are both located on the front wall of the valve body.

[0015] Furthermore, there are four suction pipes, which are spaced apart on the front wall of the valve body.

[0016] By adopting the above technical solution, this utility model has the following beneficial effects:

[0017] In this invention, during operation, material enters the distribution chamber inside the valve body through the inlet. Under the action of the negative pressure source, the material is drawn into different material-using equipment through multiple outlets and suction pipes, achieving centralized material supply and distribution. When the proportioning valve needs to be cleaned, the negative pressure source is activated. Since the discharge pipe is located at the bottom of the valve body and extends horizontally, and the discharge port is located at the bottom of the valve body, the material remaining at the bottom of the distribution chamber can enter the discharge pipe through the discharge port and be completely drawn away by the negative pressure source, avoiding the problem of traditional proportioning valves not being able to be completely emptied due to dead zones in the discharge process.

[0018] In addition, maintenance branch pipes are installed on the suction pipe and discharge pipe, which facilitates the inspection and cleaning of the pipeline. The end of the maintenance branch pipe away from the valve body is equipped with a removable sealing cap, which can maintain the system seal during normal operation and facilitate disassembly for internal cleaning during maintenance. The valve is located on the maintenance branch pipe and can control the opening and closing of the maintenance channel. The valve body includes a segmented structure design with an upper trapezoidal section and a lower conical section, so that the material distribution chamber is divided into an upper trapezoidal section cavity and a lower conical section cavity. The upper trapezoidal section cavity facilitates the uniform distribution of materials, while the lower conical section cavity facilitates the convergence of materials to the discharge port.

[0019] In summary, this utility model solves the technical problem of incomplete cleaning of the feeding and proportioning valve, while improving the equipment's maintenance convenience, operational safety, and reliability, thus ensuring the efficient operation of the feeding system. Attached Figure Description

[0020] Figure 1 This is a front view of the material feeding and proportioning valve cleaning device of this utility model;

[0021] Figure 2 This is a right view of the feeding and mixing valve cleaning device of this utility model. Detailed Implementation

[0022] To make the contents of this utility model easier to understand, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings.

[0023] like Figure 1-2 As shown, a feeding proportioning valve cleaning device includes:

[0024] Valve body 1, the valve body 1 has a material distribution chamber inside, and the valve body 1 has a material inlet 12, four material outlets and a material discharge port connected to the material distribution chamber. The material discharge port is located at the bottom of the valve body 1.

[0025] Four suction pipes 2 are provided on the valve body 1, and the suction pipes 2 are connected to the material distribution chamber through corresponding discharge ports.

[0026] The discharge pipe 3 is located on the valve body 1. The discharge pipe 3 is located at the bottom of the valve body 1 and extends horizontally. The discharge pipe 3 is connected to the material distribution chamber through the discharge port. The end of the discharge pipe 3 away from the valve body 1 is suitable for connecting to a negative pressure source.

[0027] In this embodiment, as Figure 2As shown, the material enters the distribution chamber inside the valve body 1 through the inlet 12. Under the action of the negative pressure source, the material is drawn into different material-using equipment through four outlets by four suction pipes 2, achieving centralized material supply and distribution. When the proportioning valve needs to be cleaned, the negative pressure source is activated. Since the discharge pipe 3 is located at the bottom of the valve body 1 and extends horizontally, and the discharge port is located at the bottom of the valve body 1, the material remaining at the bottom of the distribution chamber can enter the discharge pipe 3 through the discharge port and be completely drawn away by the negative pressure source, avoiding the problem of traditional proportioning valves not being able to be completely emptied due to dead zones in the discharge.

[0028] In this embodiment, the negative pressure source is a fan, which is connected to the far end of the discharge pipe 3 via a pipeline. After the fan is started, a negative pressure environment is formed in the discharge pipe 3. In other embodiments, the negative pressure source may also be a vacuum pump or other equipment capable of generating negative pressure.

[0029] During cleaning, first close the feed valve of feed inlet 12 to stop the material supply, then start the negative pressure source. The negative pressure formed in the discharge pipe 3 acts on the distribution chamber through the discharge port, sucking the residual material from the bottom of the distribution chamber into the discharge pipe 3 and finally being drawn away by the negative pressure source. The cleaning process continues until there is no residual material in the distribution chamber.

[0030] Specifically, such as Figure 2 As shown, the feeding and proportioning valve cleaning device also includes five maintenance branch pipes 4, which are respectively installed on the corresponding suction pipe 2 and discharge pipe 3. The end of the maintenance branch pipe 4 away from the valve body 1 is provided with a removable sealing cap 5.

[0031] Specifically, such as Figure 2 As shown, the feeding and proportioning valve cleaning device also includes five valves 6, which are located on the corresponding maintenance branch pipes 4.

[0032] In this embodiment, as Figure 2 As shown, the sealing cap 5 can be connected to the open end of the maintenance branch pipe 4 via threads. The sealing cap 5 has a sealing ring on its inner side, and a sealed connection is formed after the sealing cap 5 is tightened. With the setting of the maintenance branch pipe 4 and the sealing cap 5, the inside of the pipe can be cleaned and inspected without disassembling the entire suction pipe 2. When cleaning is required, the sealing cap 5 can be removed to inject cleaning fluid or insert cleaning tools into the suction pipe 2 through the maintenance branch pipe 4.

[0033] Valve 6 is a butterfly valve, and its handle is located outside the maintenance branch pipe 4 for easy operation. When valve 6 is closed, the sealing cap 5 can be safely removed without affecting the material flow in the suction pipe 2. When valve 6 is open, the maintenance branch pipe 4 is connected to the suction pipe 2, and cleaning tools such as cleaning brushes and cleaning rods can be inserted into the suction pipe 2 through the maintenance branch pipe 4 for cleaning or maintenance.

[0034] The discharge pipe 3 is also equipped with a maintenance branch pipe 4 and a corresponding valve 6. The maintenance branch pipe 4 can be used to clean and unclog the discharge pipe 3, ensuring that the discharge pipe 3 remains unobstructed during long-term use.

[0035] Specifically, such as Figure 1-2 As shown, the valve body 1 includes an upper trapezoidal section 15 and a lower conical section 16. The material distribution chamber includes a trapezoidal section cavity located in the upper trapezoidal section 15 and a conical section cavity located in the lower conical section 16. The trapezoidal section cavity and the conical section cavity are connected. The inlet 12 and multiple outlets are all located on the upper trapezoidal section 15 and are connected to the trapezoidal section cavity. The discharge port is located at the bottom of the lower conical section 16 and is connected to the conical section cavity.

[0036] Specifically, such as Figure 1-2 As shown, the lower conical segment 16 has a conical structure that is wider at the top and narrower at the bottom.

[0037] In this embodiment, as Figure 1-2 As shown, the upper trapezoidal section 15 has a trapezoidal cross-section. The width of the upper base of the trapezoidal section 15 is smaller than the width of the lower base. The lower conical section 16 is connected to the lower base of the upper trapezoidal section 15. The upper opening of the conical section 16 matches the size of the lower base of the trapezoidal section 15. The conical section 16 gradually tapers downward along the axial direction. The conical structure avoids the accumulation of materials and dead corners at the bottom of the valve body 1.

[0038] The trapezoidal cavity has a larger volume than the conical cavity. The trapezoidal cavity provides space for temporary storage and distribution of materials, while the conical cavity guides the material flow towards the discharge port. Material within the trapezoidal cavity can be drawn away by the suction pipe 2 through multiple discharge ports. Remaining material enters the conical cavity through the connecting port and is ultimately discharged from the discharge port. The entire distribution cavity ensures smooth material flow without any dead zones.

[0039] Specifically, such as Figure 2 As shown, the feed inlet 12 is located on the side wall of the valve body 1, while the discharge outlet and discharge port are both located on the front wall of the valve body 1.

[0040] Specifically, such as Figure 2 As shown, there are four suction pipes 2, which are spaced apart on the front wall of the valve body 1.

[0041] In this embodiment, as Figure 1-2 As shown, the feed inlet 12 is located in the middle of the side wall of the upper trapezoidal section 15, and the four discharge outlets are arranged in a row along the height direction of the front wall of the upper trapezoidal section 15. After the material enters from the side, it flows in the cavity of the trapezoidal section and is then sucked away through the discharge outlets of the front wall. The remaining material is discharged from the discharge outlet at the bottom of the front wall.

[0042] The four suction pipes 2 are connected to the four discharge ports respectively. The feed end of each suction pipe 2 is sealed to the corresponding discharge port through a flange. The four suction pipes 2 can work at the same time or be selectively opened according to production needs. The multi-point distribution and supply of materials can be achieved by setting up multiple suction pipes 2.

[0043] In some embodiments, the number of suction tubes 2 is not limited to four, and can be set to two, three, five or more depending on the specific material supply requirements.

[0044] The specific embodiments described above further illustrate the technical problems, technical solutions, and beneficial effects of this utility model. It should be understood that the above descriptions are merely specific embodiments of this utility model and are not intended to limit this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A cleaning device for a feeding and proportioning valve, characterized in that, include: The valve body (1) has a material distribution chamber inside. The valve body (1) is provided with at least one inlet (12), multiple outlets and discharge ports that are connected to the material distribution chamber. The discharge ports are located at the bottom of the valve body (1). Multiple suction pipes (2) are provided on the valve body (1), and the suction pipes (2) are connected to the dispensing chamber through the corresponding discharge ports; The discharge pipe (3) is located on the valve body (1). The discharge pipe (3) is located at the bottom of the valve body (1) and extends horizontally. The discharge pipe (3) is connected to the material distribution chamber through the discharge port. The end of the discharge pipe (3) away from the valve body (1) is suitable for connecting to a negative pressure source.

2. The feeding and proportioning valve cleaning device according to claim 1, characterized in that: It also includes at least one maintenance branch pipe (4), which is disposed on the suction pipe (2) and / or the discharge pipe (3), and the end of the maintenance branch pipe (4) away from the valve body (1) is provided with a removable sealing cap (5).

3. The feeding and proportioning valve cleaning device according to claim 2, characterized in that: It also includes at least one valve (6) which is located on the corresponding maintenance branch pipe (4).

4. The material feeding and proportioning valve cleaning device according to claim 1, characterized in that: The valve body (1) includes an upper trapezoidal section (15) and a lower conical section (16). The material distribution chamber includes a trapezoidal section cavity located in the upper trapezoidal section (15) and a conical section cavity located in the lower conical section (16). The trapezoidal section cavity is connected to the conical section cavity. The inlet (12) and multiple outlets are all located on the upper trapezoidal section (15) and are connected to the trapezoidal section cavity. The discharge port is located at the bottom of the lower conical section (16) and is connected to the conical section cavity.

5. The material feeding and proportioning valve cleaning device according to claim 4, characterized in that: The lower conical section (16) is a conical structure that is wider at the top and narrower at the bottom.

6. The material feeding and proportioning valve cleaning device according to claim 1, characterized in that: The feed inlet (12) is located on the side wall of the valve body (1), and the discharge outlet and the discharge port are both located on the front wall of the valve body (1).

7. The material feeding and proportioning valve cleaning device according to claim 6, characterized in that: There are four suction pipes (2), which are spaced apart on the front wall of the valve body (1).

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