CN210906077U - Reation kettle feed mechanism is used in sulfadoxine preparation - Google Patents

Abstract

The utility model discloses a sulfadoxine preparation reaction kettle feeding mechanism, which comprises a reaction kettle, a spray pipe and an electric cabinet, wherein the spray pipe is fixedly welded at the top of the interior of the reaction kettle, a ceramic plunger pump is fixedly arranged on the bottom plate of the interior of the electric cabinet, a first clapboard is welded in the interior of the electric cabinet above the ceramic plunger pump, and a formamide solution tank and a methoxy malonic acid methyl ethyl ester solution tank are fixed on the first clapboard by bolts; the utility model discloses a set up shower and ceramic plunger pump cooperation and use, when preparing sulfadoxine through reation kettle, can add inside formamide solution of reation kettle and methoxy malonic acid methyl ethyl ester solution into the shower nozzle through ceramic plunger pump with needs, through the atomizer blowout, such feeding mode, compare in traditional direct pouring or dropwise mode, the improvement of maximization mixes the homogeneity between the raw materials, the stirring time of raw materials has been reduced, sulfadoxine preparation efficiency has been accelerated.

Description

Reation kettle feed mechanism is used in sulfadoxine preparation

Technical Field

The utility model relates to a sulfadoxine preparation technical field especially relates to a reation kettle feed mechanism is used in sulfadoxine preparation.

Background

Sulfadoxine is also called sulfadoxine, sulfa-dimethoxy pyrimidine or 4-sulfanilamide-5, 6 dimethoxy pyrimidine, is white or white-like crystalline powder, is slightly bitter in taste, odorless, gradually discolored with light, slightly soluble in water, methanol and ethanol, insoluble in ether, soluble in sodium hydroxide and dilute inorganic acid, and belongs to sulfonamide antibacterial drugs. Sulfadoxine has the characteristics of long curative effect and low toxicity, can treat general inflammations such as upper respiratory tract infection panus, bacillary dysentery enteritis, skin infection and the like, has certain curative effect on tuberculosis, scrofula and the like by being matched with other medicines, and can also treat malaria. In addition, it can be used for preventing rheumatic diseases.

At present, sulfadoxine preparation method is for throwing into sodium methoxide solution in to reation kettle, and heat under the stirring state, in order to add formamide and methoxy malonic acid methyl ethyl ester in order to add into reation kettle, but present sulfadoxine preparation is with reation kettle feed mechanism mostly be simple to set up the inlet pipe and feed in raw material, can't realize regularly that ration is reinforced, secondly adopt dropwise add or the direct reinforced mode of pouring more, lead to the time extension of the stirring mixture in its later stage, preparation time has been increased, so user's demand can not be satisfied.

Disclosure of Invention

The utility model aims at solving the defects existing in the prior art and providing a feeding mechanism of a reaction kettle for preparing sulfadoxine.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a reactor feeding mechanism for preparing sulfadoxine comprises a reactor, a spray pipe and an electric cabinet;

a spray pipe is fixedly welded at the top of the interior of the reaction kettle;

a ceramic plunger pump is fixed on an inner bottom plate of the electric cabinet, a first partition plate is welded inside the electric cabinet above the ceramic plunger pump, a formamide solution tank and a methoxy malonic acid methyl ethyl ester solution tank are fixed on the first partition plate through bolts, a third partition plate is welded and fixed inside the electric cabinet above the formamide solution tank and the methoxy malonic acid methyl ethyl ester solution tank, and an electric control box is fixed on the third partition plate through bolts;

the formamide solution tank and the methoxy malonic acid methyl ethyl ester solution tank are respectively in conduction connection with the ceramic plunger pump through a first connecting pipe and a second connecting pipe, the ceramic plunger pump is in conduction connection with the spray pipe through a guide pipe, a first electromagnetic valve and a first flowmeter are arranged on the first connecting pipe, and a second electromagnetic valve and a second flowmeter are arranged on the second connecting pipe.

Preferably, the shower comprises outer annular pipe and inner ring venturi tube, the inner ring venturi tube cup joints the inside at outer annular pipe, and through spliced pole welded fastening between outer annular pipe and the inner ring venturi tube, through communicating pipe turn-on connection between outer annular pipe and the inner ring venturi tube, outer annular pipe and inner ring venturi tube bottom equidistant are the annular and are provided with a plurality of atomizer.

Preferably, the display screen and the control keys are embedded in the front surface of the electric control box, and the timer and the PLC are arranged in the electric control box.

Preferably, the output end of the control key is electrically connected with the input end of the timer, the output end of the timer is electrically connected with the input end of the PLC, the output end of the PLC is electrically connected with the input ends of the first electromagnetic valve, the second electromagnetic valve and the ceramic plunger pump, and the output ends of the first flowmeter and the second flowmeter are electrically connected with the input end of the PLC.

Preferably, the top of the reaction kettle is connected with a feeding pipe.

Preferably, the opening on the front surface of the electric cabinet is rotatably connected with a sealing door through a hinge.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, this reation kettle feed mechanism is used in sulfadoxine preparation, be provided with shower and the cooperation of ceramic plunger pump and use, when preparing sulfadoxine through reation kettle, can add inside formamide solution of reation kettle and methoxy malonic acid methyl ethyl ester solution into the shower through the ceramic plunger pump with needs, spout through the atomizer, such feeding mode, contrast in traditional direct pouring or dropwise mode, the maximization has improved the homogeneity of mixing between the raw materials, the churning time of raw materials has been reduced, sulfadoxine preparation efficiency has been accelerated, sulfadoxine preparation quality has been improved.

2. In the utility model, the reactor feeding mechanism for sulfadoxine preparation, a timer is arranged in the electric control box, the timing time can be set through the control button, the types of the added raw materials and the addition amount of the liquid medicine are added, when the timing time is up, the PLC controller automatically controls the first electromagnetic valve or the second electromagnetic valve to be opened, the ceramic plunger pump is controlled to be opened and the first flowmeter or the second flowmeter is controlled to be opened simultaneously, at the moment, the raw materials in the formamide solution tank or the methoxy malonic acid methyl ethyl ester solution tank are pumped into the spray pipe through the first connecting pipe or the second connecting pipe under the action of the ceramic plunger pump, the materials are sprayed out through the atomizing nozzle to be fed, the first flowmeter and the second flowmeter acquire the added amount and transmit the acquired amount to the PLC controller, when the added amount is the same as the preset amount, the PLC controller controls the first electromagnetic valve or the second electromagnetic valve to be closed, and meanwhile, the ceramic plunger pump is controlled to be closed, so that the feeding mechanism of the reaction kettle for preparing sulfadoxine can realize quantitative and timed addition of raw materials, the automation degree is high, the labor input is reduced, and the production efficiency is improved.

Drawings

Fig. 1 is a schematic structural diagram of a feeding mechanism of a reaction kettle for preparing sulfadoxine provided by the utility model;

fig. 2 is a schematic structural view of a spray pipe of a feeding mechanism of a reaction kettle for preparing sulfadoxine provided by the utility model;

fig. 3 is a schematic structural diagram of a plunger pump, a formamide solution tank and a methoxy ethyl malonate solution tank of a feeding mechanism of a reaction kettle for preparing sulfadoxine provided by the utility model;

fig. 4 is a schematic structural diagram of an electric control box of a feeding mechanism of a reaction kettle for preparing sulfadoxine provided by the utility model;

fig. 5 is a block diagram of the process of the feeding mechanism of the reaction kettle for preparing sulfadoxine provided by the utility model.

Illustration of the drawings:

1. a reaction kettle; 2. a shower pipe; 21. an outer annular tube; 22. an inner annular tube; 23. an atomizing spray head; 24. connecting columns; 25. a communicating pipe; 3. a conduit; 4. an electric cabinet; 5. a ceramic plunger pump; 6. a first separator; 7. a formamide solution tank; 71. a first connecting pipe; 72. a first flow meter; 73. a first solenoid valve; 8. a methyl ethyl methoxymalonate solution tank; 81. a second connecting pipe; 82. a second flow meter; 83. a second solenoid valve; 9. a second separator; 10. an electronic control box; 101. a timer; 102. a PLC controller; 11. a display screen; 12. a control key; 13. and (4) sealing the door.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, a feeding mechanism of a reaction kettle for preparing sulfadoxine comprises a reaction kettle 1, a spray pipe 2 and an electric cabinet 4;

a spray pipe 2 is fixedly welded at the top of the interior of the reaction kettle 1;

a ceramic plunger pump 5 is fixed on an inner bottom plate of an electric cabinet 4, a first partition plate 6 is welded in the electric cabinet 4 above the ceramic plunger pump 5, a formamide solution tank 7 and a methoxy malonic acid methyl ethyl ester solution tank 8 are fixed on the upper portion of the first partition plate 6 through bolts, a third partition plate 9 is welded and fixed in the electric cabinet 4 above the formamide solution tank 7 and the methoxy malonic acid methyl ethyl ester solution tank 8, an electric control box 10 is fixed on the upper portion of the third partition plate 9 through bolts, a feeding pipe is connected to the top of the reaction kettle 1, and a sealing door 13 is rotatably connected to an opening in the front surface of the electric cabinet 4 through a hinge;

the formamide solution tank 7 and the methyl ethyl methoxymalonate solution tank 8 are respectively in conduction connection with the ceramic plunger pump 5 through a first connecting pipe 71 and a second connecting pipe 81, the ceramic plunger pump 5 is in conduction connection with the spray pipe 2 through the guide pipe 3, the first connecting pipe 71 is provided with a first electromagnetic valve 73 and a first flowmeter 72, and the second connecting pipe 81 is provided with a second electromagnetic valve 83 and a second flowmeter 82.

Referring to fig. 2, shower 2 comprises outer annular pipe 21 and interior annular pipe 22, and interior annular pipe 22 cup joints in the inside of outer annular pipe 21, and through spliced pole 24 welded fastening between outer annular pipe 21 and the interior annular pipe 22, through communicating pipe 25 switch-on connection between outer annular pipe 21 and the interior annular pipe 22, and outer annular pipe 21 and interior annular pipe 22 bottom equidistant annular are provided with a plurality of atomizer 23.

Referring to fig. 1, 4 and 5, a display screen 11 and a control button 12 are embedded on the front surface of an electronic control box 10, a timer 101 and a PLC controller 102 are arranged inside the electronic control box 10, an output end of the control button 12 is electrically connected with an input end of the timer 101, an output end of the timer 101 is electrically connected with an input end of the PLC controller 102, an output end of the PLC controller 102 is electrically connected with an input end of the first electromagnetic valve 73, the second electromagnetic valve 83 and the ceramic plunger pump 5, and output ends of the first flowmeter 72 and the second flowmeter 82 are electrically connected with an input end of the PLC controller 102.

The working principle is as follows: when the feeding mechanism of the reaction kettle for preparing sulfadoxine is used, the timing time, the type of the added raw materials and the addition amount of the liquid medicine can be set through the control key 12, when the timing time is up, the timer 101 sends a signal to the PLC 102, the PLC 102 automatically controls the first electromagnetic valve 73 or the second electromagnetic valve 83 to be opened, and simultaneously controls the ceramic plunger pump 5 and the first flow meter 72 or the second flow meter 82 to be opened, at the moment, the raw materials in the formamide solution tank 7 or the methyl ethyl methoxymalonate solution tank 8 are pumped into the spray pipe 2 through the first connecting pipe 71 or the second connecting pipe 81 under the action of the ceramic plunger pump 5 and are sprayed out through the atomizing nozzle 23 for feeding, the first flow meter 72 and the second flow meter 82 collect the added amount and transmit the collected amount to the PLC 102, and when the added amount is the same as the preset amount, the PLC 102 controls the first electromagnetic valve 73 or the second electromagnetic valve 83 to be closed, and meanwhile, the ceramic plunger pump 5 is controlled to be closed, so that the feeding mechanism of the reaction kettle for preparing sulfadoxine can realize quantitative and timed addition of raw materials, and the automation degree is high.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. A reactor feeding mechanism for preparing sulfadoxine is characterized by comprising a reactor (1), a spray pipe (2) and an electric cabinet (4);

a spray pipe (2) is fixedly welded at the top of the interior of the reaction kettle (1);

a ceramic plunger pump (5) is fixed on an inner bottom plate of the electric cabinet (4), a first partition plate (6) is welded above the ceramic plunger pump (5) inside the electric cabinet (4), a formamide solution tank (7) and a methyl ethyl methoxymalonate solution tank (8) are fixed on the first partition plate (6) through bolts, a third partition plate (9) is welded and fixed on the formamide solution tank (7) and the methyl ethyl methoxymalonate solution tank (8) inside the electric cabinet (4), and an electric control box (10) is fixed on the third partition plate (9) through bolts;

formamide solution case (7) and methoxy malonic acid methyl ethyl ester solution case (8) are respectively through first connecting pipe (71) and second connecting pipe (81) and ceramic plunger pump (5) turn-on connection, and ceramic plunger pump (5) are through pipe (3) and shower (2) turn-on connection, be provided with first solenoid valve (73) and first flowmeter (72) on first connecting pipe (71), be provided with second solenoid valve (83) and second flowmeter (82) on second connecting pipe (81).

2. The reactor feed mechanism for sulfadoxine preparation of claim 1, characterized in that, the shower (2) comprises outer annular pipe (21) and interior annular pipe (22), interior annular pipe (22) cup joints the inside of outer annular pipe (21), and through spliced pole (24) welded fastening between outer annular pipe (21) and the interior annular pipe (22), through communicating pipe (25) conducting connection between outer annular pipe (21) and the interior annular pipe (22), outer annular pipe (21) and interior annular pipe (22) bottom equidistant be the annular and be provided with a plurality of atomizer (23).

3. The reactor feeding mechanism for sulfadoxine preparation as claimed in claim 1, characterized in that the display screen (11) and the control key (12) are embedded in the front surface of the electric control box (10), and the timer (101) and the PLC controller (102) are arranged in the electric control box (10).

4. The sulfadoxine preparation reation kettle feed mechanism of claim 3 characterized in that, the output of control button (12) and the input of timer (101) are connected electrically, the output of timer (101) and the input of PLC controller (102) are connected electrically, the output of PLC controller (102) and the input of first solenoid valve (73), second solenoid valve (83), ceramic plunger pump (5) are connected electrically, the output of first flowmeter (72) and second flowmeter (82) and the input of PLC controller (102) are connected electrically.

5. The reactor feed mechanism for sulfadoxine preparation of claim 1, characterized in that the top of the reactor (1) is connected with a feed pipe.

6. The reactor feeding mechanism for sulfadoxine preparation of claim 1, characterized in that the opening of the front surface of the electric cabinet (4) is rotatably connected with a sealing door (13) through a hinge.

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