Full-automatic medicine dispensing and adding device suitable for chemical explosion-proof area

Abstract

The utility model relates to the technical field of full-automatic medicine dispensing and adding, and discloses a full-automatic medicine dispensing and adding device suitable for a chemical explosion-proof area, which comprises a raw medicine storage tank, a first medicine dispensing and adding tank and a second medicine dispensing and adding tank, and the original medicine feeding pump is configured to pump high-energy-degree original medicine into the medicine dispensing and adding tank I and the medicine dispensing and adding tank II. The special PLC is adopted for control, full-automatic switching between medicine dispensing and medicine feeding is achieved, the medicine dispensing tank and the medicine feeding tank are provided with the explosion-proof motor to drive the stirring impeller special for the equipment so as to maintain the stable concentration of the medicine in the tank all the time, and the medicine prepared according to the specified concentration is injected into a downstream reaction device according to a certain flow through the metering pump of the equipment. Under the condition that the pressure, the temperature and the flow regulation of the pump are set to be constant, the repeated metering precision of the discharged liquid is within + / -1%, and the problem of insufficient metering precision is effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of full -automatic dispensing and dosing, especially to a full -automatic dispensing and dosing device suitable for chemical explosion -proof area. BACKGROUND

[0002] Dosing is a crucial link in chemical production, and the quality of raw materials directly affects the quality of products in the production process. By adding specific chemicals, the adverse impurities in the raw materials can be effectively eliminated, thereby improving the quality of raw materials and laying a foundation for producing high-quality products. Dosing can adjust the speed, balance, selectivity and conversion rate of chemical reactions, thereby improving the quality and yield of products. In some cases, by adding appropriate chemicals, production efficiency can be improved, raw material waste can be reduced, production cost can be reduced, and enterprise income can be increased. In the aspect of automatic dosing device, although there are some automatic dosing devices at present, in the case that the diluent of the medicament is flammable and explosive chemical product and the medicament filling concentration requirement is high, there are still problems such as insufficient automatic dosing safety level and insufficient measurement accuracy, so there is an urgent need for a full -automatic dispensing and dosing device suitable for chemical explosion -proof area to solve the above problems. SUMMARY

[0003] The utility model provides a full -automatic dispensing and dosing device suitable for chemical explosion -proof area, which solves the problems in the prior art.

[0004] In order to achieve the above object, the utility model adopts the following technical scheme: a full -automatic dispensing and dosing device suitable for chemical explosion -proof area, including raw material storage tank, dispensing tank and dosing tank one and dispensing tank and dosing tank two, the inside of raw material storage tank is provided with raw material feeding pump, raw material feeding pump is configured to pump high energy raw material into dispensing tank and dosing tank one and dispensing tank and dosing tank two;

[0005] Raw material metering pump, raw material metering pump is arranged between raw material storage tank and dispensing tank and dosing tank one;

[0006] When dispensing tank and dosing tank one is configured as dispensing, dispensing tank and dosing tank two is configured as dosing;

[0007] When dispensing tank and dosing tank one is configured as dosing, dispensing tank and dosing tank two is configured as dispensing;

[0008] Dispensing tank and dosing tank one and dispensing tank and dosing tank two are controlled by PLC.

[0009] Further description of the above technical scheme:

[0010] The upper part of the dispensing tank and the upper part of the dispensing tank two are provided with explosion-proof motors, and the explosion-proof motors are connected with special stirring impellers.

[0011] As a further description of the above technical solution:

[0012] One side of the dispensing tank and the dispensing tank two is provided with a series of dosing pumps, which are configured as variable frequency control, PLC control and DCS remote control.

[0013] As a further description of the above technical solution:

[0014] The inside of the dispensing tank and the dispensing tank two is provided with a liquid level sensor, which is configured to monitor the liquid level in real time.

[0015] As a further description of the above technical solution:

[0016] The upper part of the raw material storage tank is provided with a nitrogen sealing automatic adjusting device, which is configured as a nitrogen sealing function.

[0017] As a further description of the above technical solution:

[0018] The explosion-proof motor is configured to drive the special stirring impeller to rotate.

[0019] As a further description of the above technical solution:

[0020] The nitrogen sealing automatic adjusting device and the raw material storage tank are connected through pipe elements.

[0021] The utility model has the advantages of:

[0022] 1、The device in the utility model is controlled by special PLC, realizes full-automatic switching of dispensing and dosing, and the dispensing tank and the dosing tank are provided with explosion-proof motors to drive special stirring impellers, so that the medicament in the tank can always maintain stable concentration, the medicament prepared according to the specified concentration is added to the downstream reaction device according to certain flow by the equipment metering pump, and under the condition that pressure, temperature and the flow of the pump are regulated and set constant, the repeated metering precision of the discharged liquid is within ±1%.

[0023] 2, the utility model discloses a pry integration anti -explosion dosing system is to the device height automation, and the pharmacy and the dosing process are safe and reliable, and each index is stable in operation, and the equipment adopts pry integration design, can save the land and the investment greatly, and the system adopts full -automatic frequency conversion control, and can be connected into the whole field control system, realizes remote opening and adjustment, and operating cost is low, and simple operation, and convenient maintenance, and the product design in the process is scientific and reasonable, realizes the standardization, and the process production has the characteristics such as accurate and stable dosing, safe and reliable, and fully meets the various explosion -proof requirements of chemical explosion -proof area. BRIEF DESCRIPTION OF DRAWINGS

[0024] Fig. 1 The utility model provides a kind of plane structure schematic diagram of full-automatic dispensing dosing device suitable for chemical explosion -proof area.

[0025] Fig. 2 The utility model provides a kind of process flow chart of full-automatic dispensing dosing device suitable for chemical explosion -proof area.

[0026] LEGEND:

[0027] 1, raw material feeding pump;2, raw material storage tank;3, raw material metering pump;4, dispensing tank and dosing tank one;5, dispensing tank and dosing tank two;6-11, dosing metering pump series;12, liquid level sensor;13, explosion-proof motor;14, nitrogen seal automatic regulating device. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0029] REFERENCE Figs. 1-2 An embodiment provided by the utility model: a kind of full-automatic dispensing dosing device suitable for chemical explosion -proof area, including raw material storage tank 2, dispensing tank and dosing tank one 4 and dispensing tank and dosing tank two 5, the inside of raw material storage tank 2 is provided with raw material feeding pump 1, raw material feeding pump 1 is configured to pump high-energy raw material into dispensing tank and dosing tank one 4 and dispensing tank and dosing tank two 5, raw material metering pump 3, raw material metering pump 3 is located between raw material storage tank 2 and dispensing tank and dosing tank one 4, when dispensing tank and dosing tank one 4 is configured as dispensing, dispensing tank and dosing tank two 5 is configured as dosing, when dispensing tank and dosing tank one 4 is configured as dosing, dispensing tank and dosing tank two 5 is configured as dispensing, dispensing tank and dosing tank one 4 and dispensing tank and dosing tank two 5 are controlled by PLC.

[0030] The upper part of the dispensing tank and dosing tank one 4 and the dispensing tank and dosing tank two 5 is provided with an explosion-proof motor 13, a special stirring impeller is connected in the explosion-proof motor 13, a dosing metering pump series 6-11 is arranged on one side of the dispensing tank and dosing tank one 4 and the dispensing tank and dosing tank two 5, the dosing metering pump series 6-11 is configured to be variable frequency control, PLC control and DCS remote control, a liquid level sensor 12 is arranged in the dispensing tank and dosing tank one 4 and the dispensing tank and dosing tank two 5, and is configured to monitor the liquid level in real time, a nitrogen sealing automatic adjusting device 14 is arranged on the upper part of the raw material storage tank 2, and is configured to have a nitrogen sealing function, the explosion-proof motor 13 is configured to drive the special stirring impeller to rotate, and the nitrogen sealing automatic adjusting device 14 is connected with the raw material storage tank 2 through a pipe element, the dosing device is a pry-mounted integrated explosion-proof dosing system, the device is highly automated, the dosing and dosing process is safe and reliable, various indicators are stable in operation, the equipment is designed in a pry-mounted integrated manner, the land occupation and investment can be greatly saved, the system adopts full-automatic variable frequency control and can be connected to a full-field control system to realize remote opening and adjustment, the operation cost is low, the operation is simple, the maintenance is convenient, the product in the process is designed scientifically and reasonably, and standardization is realized.

[0031] Working principle: first, the high-concentration raw material enters the device area, first sent to the raw material storage tank 2 through the raw material feeding pump 1, according to the design of the dosing concentration requirement, the dosing amount involved is sent to the dispensing tank and dosing tank one 4 and the dispensing tank and dosing tank two 5 through the raw material metering pump 3, when the dispensing tank and dosing tank one 4 is used for dispensing, the other dispensing tank and dosing tank two 5 has completed dispensing and automatically becomes a dosing tank, and vice versa, the function switching of dispensing and dosing is controlled by the special PLC in the device, so that the full-automatic switching of dispensing and dosing is realized, the explosion-proof motor 13 in the dispensing tank and dosing tank drives the special stirring impeller of the equipment to maintain the stable concentration of the medicament in the tank, the medicament prepared according to the specified concentration is added to the downstream reaction device according to a certain flow rate through the dosing metering pump series 6-11, under the condition that the pressure, temperature and pump flow rate are adjusted and set constant, the repeated metering accuracy of the discharged liquid is within ±1%, the dosing metering pump series 6-11 is variable frequency control, which can be controlled by the equipment PLC and the plant DCS remotely, and high-precision addition is realized.

[0032] Finally, it should be noted that the above only describes the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some technical features, as long as they are within the spirit and principles of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A full-automatic dispensing and dosing device suitable for chemical explosion-proof area, characterized in that: Including the original medicine storage tank (2), the dispensing tank and the first medicine tank (4) and the dispensing tank and the second medicine tank (5), the inside of the original medicine storage tank (2) is provided with the original medicine feeding pump (1), the original medicine feeding pump (1) is configured to pump high energy original medicine into the dispensing tank and the first medicine tank (4) and the dispensing tank and the second medicine tank (5); The original medicine metering pump (3) is arranged between the original medicine storage tank (2) and the dispensing tank and the first medicine tank (4); When the dispensing tank and the first medicine tank (4) are configured to dispense, the dispensing tank and the second medicine tank (5) are configured to add medicine; When the dispensing tank and the first medicine tank (4) are configured to add medicine, the dispensing tank and the second medicine tank (5) are configured to dispense. The dispensing tank and the first medicine tank (4) and the dispensing tank and the second medicine tank (5) are controlled by PLC.

2. The full-automatic dispensing and dosing device suitable for chemical explosion-proof area according to claim 1, characterized in that: The upper part of the dispensing tank and the first medicine tank (4) and the dispensing tank and the second medicine tank (5) are provided with explosion-proof motor (13), the explosion-proof motor (13) is connected with special stirring impeller.

3. The full-automatic dispensing and dosing device suitable for chemical explosion-proof area according to claim 2, characterized in that: One side of the dispensing tank and the first medicine tank (4) and the dispensing tank and the second medicine tank (5) is provided with a series of medicine metering pump (6-11), which is configured to be frequency controlled, PLC controlled and DCS remotely controlled.

4. The full-automatic dispensing and dosing device suitable for chemical explosion-proof area according to claim 3, characterized in that: The inside of the dispensing tank and the first medicine tank (4) and the dispensing tank and the second medicine tank (5) is provided with liquid level sensor (12), which is configured to monitor the liquid level in real time.

5. The full-automatic dispensing and dosing device suitable for chemical explosion-proof area according to claim 4, characterized in that: The upper part of the original medicine storage tank (2) is provided with nitrogen sealing automatic adjusting device (14), which is configured to have nitrogen sealing function.

6. The full-automatic dispensing and dosing device suitable for chemical explosion-proof area according to claim 5, characterized in that: The explosion-proof motor (13) is configured to drive the special stirring impeller to rotate.

7. The full-automatic dispensing and dosing device suitable for chemical explosion-proof area according to claim 6, characterized in that: The nitrogen sealing automatic adjusting device (14) and the original medicine storage tank (2) are connected through pipe element.

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