Catalyst metering and conveying device for special material industry

Abstract

The utility model discloses a catalyst metering and conveying device for the special material industry. The catalyst metering and conveying device comprises a catalyst inlet, a pneumatic diaphragm pump, a metering tank, a metering pump and a catalyst outlet which are sequentially connected, a metering platform scale is arranged at the lower end of the metering tank, a magnetic turning plate liquid level meter is arranged on one side of the metering tank, a tuning fork liquid level meter is arranged on the other side of the metering tank, and liquid / dangerous liquid can be filled, weighed, metered and conveyed so as to reach the capacity required by the process and be accurately conveyed into a target tank.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of special industry catalyst metering and conveying, in particular to a catalyst metering and conveying device for special material industry. BACKGROUND

[0002] The common working condition of production enterprises such as paint and coating industry is that catalyst liquid and solvent liquid need to be accurately metered, and conventional process operation is to pump the buffer tank storing liquid into a metering barrel, and then pour it into a target tank manually, which is inconvenient to operate and not accurate enough. UTILITY MODEL CONTENTS

[0003] In view of the deficiencies in the prior art, the utility model provides a catalyst metering and conveying device for special material industry, which can add and weigh liquid / hazardous liquid, meter and convey it to reach the capacity required by the process and accurately convey it to the target tank.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] The catalyst metering and conveying device for special material industry comprises a catalyst inlet, a pneumatic diaphragm pump, a metering tank, a metering pump and a catalyst outlet connected in sequence.

[0006] As a further scheme of the utility model, the pneumatic diaphragm pump and the metering pump are connected in parallel.

[0007] As a further scheme of the utility model, the pneumatic diaphragm pump is further connected with an electromagnetic valve, an air source three-way joint and a compressed air inlet in sequence.

[0008] As a further scheme of the utility model, the metering tank is provided with an air suction valve at the upper end.

[0009] As a further scheme of the utility model, a basket filter is arranged between the metering tank and the metering pump.

[0010] As a further scheme of the utility model, a pressure gauge, a damper and a back pressure valve are arranged in sequence between the metering pump and the catalyst outlet.

[0011] As a further scheme of the utility model, the metering tank and the metering pump are respectively provided with a safety valve.

[0012] As a further scheme of the utility model, the catalyst inlet, the pneumatic diaphragm pump, the metering tank, the metering pump and the catalyst outlet are connected by metal hoses.

[0013] The utility model discloses can fill the liquid / dangerous liquid with the injection weighing, metering delivery, to reach the capacity of process requirement, accurate delivery to the target tank in, solve the artificial complicatedly pour the liquid into the target tank, and the liquid cannot be accurately matched according to the process proportion to carry out the deployment, the liquid can have the toxicity and make the manual operation have certain dangerousness, and the liquid device is relatively huge, and the utilization rate of space is lower.

[0014] In order to more clearly set forth the structural features and functions of the utility model, the utility model will be described in detail below in combination with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structural schematic diagram of the utility model for the catalyst metering delivery device of special material industry. DETAILED DESCRIPTION

[0016] The utility model will be further explained in combination with the drawings and relevant knowledge, and it is obviously that the application only is a part of the embodiment of the utility model, but not all the embodiments.

[0017] The utility model is applied to the catalyst metering delivery working condition of special industry, adopts catalyst, solvent (hereinafter referred to as liquid) as delivery medium, and the main functions have two points: 1) accurate weighing of liquid, 2) accurate delivery of liquid.It can be widely applied in paint, coating and other special material production enterprises, and other industries that need to add accurate metering delivery liquid.The utility model understands and analyzes actual production process, liquid material performance and production process, and combines previous project experience, and develops a set of " catalyst metering delivery device for special material industry", which can fill the liquid / dangerous liquid with the injection weighing, metering delivery, to reach the capacity of process requirement, accurate delivery to the target tank in.

[0018] Specifically, it comprises: Figure 1 As shown in the figure, the utility model provides a catalyst metering delivery device for special material industry, which comprises a catalyst inlet 1, a pneumatic diaphragm pump 2, a metering tank 3, a metering pump 4 and a catalyst outlet 5 connected in sequence; the lower end of the metering tank 3 is provided with a metering platform scale 6, one side is provided with a magnetic flap liquid level meter 7, and the other side is provided with a tuning fork liquid level meter 8.The working principle of the utility model is as follows: the injection weighing stage: from the front ton barrel / storage tank (catalyst inlet 1), through the pneumatic diaphragm pump 2 to the buffer tank (metering tank 3), the buffer tank is made of glass steel material, has corrosion resistance, and can store liquid for a long time without being corroded.The buffer tank is placed on the metering platform scale 6, and the weight of the liquid in the tank can be accurately measured; the metering delivery stage: the buffer tank is provided with a metering pump, which accurately measures and delivers to the target tank (catalyst outlet 5).

[0019] In the preferred embodiment of the utility model, refer to Figure 1 As shown, the preferred mode includes two groups of parallel pneumatic diaphragm pumps 2, metering pumps 4, which can realize one standby through parallel mode.

[0020] In the preferred embodiment of the utility model, the pneumatic diaphragm pump 2 is further connected with an electromagnetic valve 9, an air source three-way joint 10 and a compressed air inlet 11 in sequence, for providing power for the pneumatic diaphragm pump 2. The pneumatic diaphragm pump is connected with compressed air, and the start switch of the pneumatic diaphragm pump is controlled by the electromagnetic valve. After the electromagnetic valve is opened, the liquid is transported from the front-end storage tank / ton barrel to the metering tank through the diaphragm pump.

[0021] In the preferred embodiment of the utility model, the metering tank 3 is provided with a suction valve 12. In the utility model, the metering tank accessory has a magnetic flap liquid level meter for checking the liquid level; a tuning fork liquid level meter for controlling the liquid level (the electromagnetic valve is closed); the suction valve controls the pressure in the tank; and the metering platform scale below the metering tank measures the weight of the metering tank. In addition, all the pipelines connected with the tank are connected by metal hoses to prevent inaccurate weight.

[0022] In the preferred embodiment of the utility model, it is further preferred that a basket filter 13 is arranged between the metering tank and the metering pump, and a pressure gauge 14, a damper 15 and a back pressure valve 16 are arranged in sequence between the metering pump 4 and the catalyst outlet 5. The metering tank is connected with the basket filter, and the metering pump is connected with the basket filter in two ways. The metering pump is matched with the damper and the back pressure valve to stabilize the pressure of the liquid in the pipeline. The basket filter can remove large solid impurities in the fluid. The damper is used to reduce the fluctuation of the liquid pressure in the pipeline, so that the liquid flow is more stable. The metering pump is opened to transport the liquid in the metering tank to the rear target tank. The delivery amount is converted into flow according to the mass of the liquid, and the weight of the liquid is accurately measured according to the size of the metering pump frequency and the weight reduced by the metering platform scale (according to the required proportion of the process liquid).

[0023] In the preferred embodiment of the utility model, the metering tank 3 and the metering pump 4 are respectively provided with a safety valve 17. If the liquid pressure in the rear pipeline is too large, the metering pump outlet also has a safety valve. At this time, the safety valve jumps, and the liquid is retransported to the metering tank.

[0024] The utility model can accurately control according to the required proportion of the process; can avoid the danger caused by manual operation; can be conveniently and centrally arranged on site; and has high maintainability.

[0025] The device works, pneumatic diaphragm pump interface compressed air by solenoid valve control start switch, open solenoid valve, liquid from the front tank / ton barrel is transported to the metering tank. The magnetic flap liquid level meter on the metering tank is used to check the liquid level, the tuning fork liquid level meter controls the liquid level, when the liquid level reaches the set value, the solenoid valve is closed, the suction valve controls the pressure in the tank. The metering platform scale under the metering tank can measure the weight of the tank; the liquid in the metering tank is filtered through the basket filter and then enters the metering pump. The metering pump is equipped with a damper and a back pressure valve to stabilize the liquid pressure in the pipeline. The metering pump can deliver liquid to the rear target tank. The delivery amount is accurately measured by the frequency of the metering pump and the weight reduction of the metering platform scale according to the process requirements. If the liquid pressure in the rear pipeline is too large, the safety valve at the outlet of the metering pump will jump, and the liquid will be re-delivered to the metering tank.

[0026] The technical principle of the utility model is described above in combination with specific embodiments, which is only the preferred implementation mode of the utility model. The protection scope of the utility model is not limited to the above-mentioned embodiments only, and any technical solution belonging to the idea of the utility model falls within the protection scope of the utility model. The skilled in the art can think of other specific implementation modes of the utility model without creative labor, and these modes will fall within the protection scope of the utility model.

Claims

1. A catalyst metering device for the specialty materials industry, characterized in that It comprises a catalyst inlet, a pneumatic diaphragm pump, a metering tank, a metering pump and a catalyst outlet connected in sequence; the lower end of the metering tank is provided with a metering platform scale, one side is provided with a magnetic reed liquid level meter, and the other side is provided with a tuning fork liquid level meter.

2. The catalyst metering delivery device for the specialty materials industry as claimed in claim 1, wherein, It comprises two groups of parallel pneumatic diaphragm pumps and metering pumps.

3. The catalyst metering delivery device for the specialty materials industry as claimed in claim 2, wherein, The pneumatic diaphragm pump is further connected with an electromagnetic valve, an air source three-way joint and a compressed air inlet in sequence.

4. The catalyst metering delivery device for the specialty materials industry as recited in claim 3, wherein, The upper end of the metering tank is provided with an air suction valve.

5. The apparatus for metered delivery of catalysts to the specialty materials industry of claim 4, wherein, A basket filter is arranged between the metering tank and the metering pump.

6. The apparatus for metered delivery of catalyst to the specialty materials industry of claim 5, wherein, A pressure gauge, a damper and a back pressure valve are arranged in sequence between the metering pump and the catalyst outlet.

7. The apparatus for metered delivery of catalyst to the specialty materials industry as claimed in claim 6 wherein, The metering tank and the metering pump are respectively provided with a safety valve.

8. The catalyst metering delivery device for the specialty materials industry as claimed in claim 7, wherein, Metal hoses are used to connect the catalyst inlet, the pneumatic diaphragm pump, the metering tank, the metering pump and the catalyst outlet.

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