Amino trimethylene phosphoric acid filling device

Abstract

The utility model discloses an amino trimethylene phosphoric acid filling device. The amino trimethylene phosphoric acid filling device comprises a filling container and a piston assembly, the filling container is of a hollow structure, an inner cavity of the filling container is communicated with an inner cavity of the piston assembly, a feeding pipe used for feeding is further arranged on the filling container, an electromagnetic valve is installed on the feeding pipe, and a plurality of filling nozzles are installed on the lower portion of the filling container. When a piston of the piston assembly is located at the upper end and the lower end, the feedback switches are triggered, the feedback switches are connected with the input end of the PLC, the electromagnetic valve is connected with the output end of the PLC, the structure is simple, complex program setting is not needed, and energy saving is achieved.

Description

TECHNICAL FIELD

[0001] The application relates to the field of chemical production equipment, in particular to an aminotrimethylene phosphonic acid filling device. BACKGROUND

[0002] The synthesis method of aminotrimethylene phosphonic acid is generally that phosphorus trichloride is reacted with formaldehyde and ammonia (ammonium chloride is commonly used), however, the existing equipment has a long mixing and reaction time, and there is room for improvement in efficiency. ATMP (aminotrimethylene phosphonic acid) is an organic polyphosphine water treatment agent. It has good chemical stability, is not easy to hydrolyze, is resistant to high temperature, and has small dosage, and has the advantages of corrosion inhibition and scale inhibition, and is a good alkaline water treatment agent.

[0003] After the aminotrimethylene phosphonic acid processing and production are completed, filling needs to be performed, and patent No. CN202122243884.1 proposes a servo piston pump filling device which adopts a servo motor to drive filling, the purpose is to arbitrarily adjust the filling amount and filling speed by digitally setting the rotating speed and stroke of the servo motor on the control screen, and to improve the filling precision and filling speed, which is an improvement direction of the chemical product filling device. SUMMARY

[0004] The utility model discloses another improvement direction to realize the interaction of different piston positions and control systems, reduce the power consumption of aminotrimethylene phosphonic acid in the filling process and simplify the structure of the filling nozzle, the utility model discloses a kind of aminotrimethylene phosphonic acid filling device, its structure includes: filling container, piston assembly;The filling container is hollow structure, and the inner cavity thereof is communicated with the inner cavity of piston assembly, and the filling container is further provided with feed pipe for feeding, and the feed pipe is provided with solenoid valve, and the lower part of filling container is provided with a plurality of filling nozzles;The piston of piston assembly is triggered feedback switch when being at upper end and lower end, and the input end of feedback switch is connected with PLC controller, and the output end of solenoid valve is connected with PLC controller.

[0005] Preferably, the piston assembly comprises: a piston cylinder, limit rings are arranged at the upper and lower ends of the piston cylinder, a piston rod fixed at the lower end of the lifting device drives the piston to move between the limit rings of the piston cylinder, a magnetic induction type proximity switch is arranged at one position of each limit ring, a permanent magnet is embedded on the upper and lower surfaces of the piston, and the permanent magnet triggers the magnetic induction type proximity switch when the piston contacts the limit ring, and the magnetic induction type proximity switches are electrically connected with the PLC controller.

[0006] Preferably, the filling container comprises a box body having an inner cavity, a pressure injection port arranged on the upper portion of the box body, a feeding pipe, and a plurality of mounting holes arranged on the lower portion of the box body, each of the mounting holes being screwed with a funnel assembly; the feeding pipe is provided with an electromagnetic valve; the mounting holes and the pressure injection port are communicated with the inner cavity of the box body; the funnel assembly is provided with a filling nozzle made of elastic material and arranged on the lower portion of the funnel assembly; and the piston cylinder is integrated with the box body or screwed with the box body.

[0007] Preferably, the funnel assembly comprises an upper connecting pipe, a tapered pipe, a lower connecting pipe and a filling pipe arranged from top to bottom, wherein the upper end of the upper connecting pipe and the lower end of the lower connecting pipe are provided with external thread ports, the upper portion of the filling pipe is screwed with the lower connecting pipe, and the inner side of the upper portion of the filling pipe is provided with a filling nozzle.

[0008] Preferably, the upper connecting pipe, the tapered pipe and the lower connecting pipe are integrated.

[0009] Preferably, the lower portion of the filling pipe is provided with a rolling groove.

[0010] Preferably, the filling nozzle is an electromagnetic valve or a silica gel head.

[0011] Preferably, the silica gel head comprises a connecting head screwed and arranged on the inner side of the filling pipe and a pouring head in the shape of a funnel arranged on the lower portion of the silica gel head, the pouring head is provided with a circular or cross-shaped opening at the bottom, and one side of the lower portion of the opening is provided with a valve integrated with the pouring head, the valve covers the lower surface of the opening in a natural state and can be turned down to expose the opening.

[0012] Preferably, the inner walls of the upper connecting pipe, the tapered pipe, the lower connecting pipe and the filling pipe are provided with an anti-corrosion layer.

[0013] The feeding pipe is connected with the material barrel, the PLC controller opens the electromagnetic valve during filling, the piston is lifted, a certain capacity of aminotri-methyl-phosphonic acid is drawn into the piston cylinder, after the piston triggers the magnetic induction type proximity switch above, the PLC receives the feedback, and then closes the electromagnetic valve, and the piston is pressed down to fill, one filling process is completed, and the drawing and filling operations are realized through reciprocation, the utility model has the advantages of simple structure, no need of complex program setting, and energy saving. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a perspective view of the utility model.

[0015] Figure 2 It is a front view of the utility model.

[0016] Figure 3 It is a front view of the filling container.

[0017] Figure 4 It is a perspective view of the filling container

[0018] Figure 5 It is a schematic view of funnel assembly structure.

[0019] Figure 6 It is a perspective view of funnel assembly.

[0020] Figure 7 It is a top view of funnel assembly.

[0021] Figure 8 It is a schematic view of filling nozzle structure.

[0022] Figure 9 It is a front view of piston assembly.

[0023] Figure 10 It is a perspective view of piston assembly.

[0024] In the figure: 1, funnel assembly; 2, filling container; 3, piston assembly; 11, upper connecting pipe; 12, conical pipe; 13, lower connecting pipe; 14, filling pipe; 15, filling nozzle; 16, rolling groove; 21, box body; 22, electromagnetic valve; 23, injection port; 31, piston cylinder; 32, piston; 33, lifting device; 151, filling head; 152, valve; 311, magnetic induction type proximity switch; 312, magnetic induction type proximity switch; 313, limiting ring; 321, permanent magnet. DETAILED DESCRIPTION Example 1

[0025] As Figures 1-10 shown, the amino trimethyl phosphonic acid filling device, its structure includes: filling container 2, piston assembly 3;The hollow structure of filling container 2, its inner cavity and the inner cavity of piston assembly 3 are communicated, and the filling container 2 is further provided with a feeding pipe for feeding, and the feeding pipe is provided with an electromagnetic valve 22, and the lower part of the filling container 2 is provided with a plurality of filling nozzles 15;The piston of piston assembly 3 is triggered feedback switch when being at upper end and lower end, and the feedback switch is connected with the input end of PLC controller, and the electromagnetic valve is connected with the output end of PLC controller.

[0026] Preferably, the piston assembly 3 includes: piston cylinder 31, the upper and lower ends of piston cylinder 31 are provided with limiting rings 313, and the lifting device 33 drives the piston 32 to move between the limiting rings 313 of the piston cylinder 31 through the piston rod fixed at the lower end;The lower limiting ring 313 is provided with a magnetic induction type proximity switch 312, and the upper limiting ring 313 is provided with a magnetic induction type proximity switch 311, and a permanent magnet 321 is embedded on the upper and lower surfaces of the piston 32 respectively, and the permanent magnet 321 triggers the magnetic induction type proximity switch 311 or the magnetic induction type proximity switch 312 when the piston 32 contacts with the limiting ring 313;Both magnetic induction type proximity switches are electrically connected with PLC controller.

[0027] More specifically, the filling container comprises a box body 21 having an inner cavity, a pressure injection port 23 provided on the upper portion of the box body 21, a feeding pipe, and a plurality of mounting holes provided on the lower portion of the box body 21, each of which is screwed into a funnel assembly 1; the feeding pipe is provided with an electromagnetic valve 22; the mounting holes and the pressure injection port 23 are communicated with the inner cavity of the box body 21; the lower portion of the funnel assembly 1 is provided with a filling nozzle made of elastic material and having an opening; the box body 21 can uniformly distribute water pressure to each funnel assembly 1, so that the filling speed and volume of each funnel assembly are substantially equal; the piston cylinder is integrated with the box body to reduce the possibility of leakage.

[0028] More specifically, the funnel assembly 1 comprises an upper connecting pipe 11, a tapered pipe 12, a lower connecting pipe 13, and a filling pipe 14 arranged from top to bottom, wherein the upper end of the upper connecting pipe 11 and the lower end of the lower connecting pipe 13 are provided with external thread ports, the upper portion of the filling pipe 14 is screwed with the lower connecting pipe 13, and the inner side of the upper portion of the filling pipe 14 is provided with a filling nozzle 15.

[0029] More specifically, the upper connecting pipe 11, the lower connecting pipe 13, and the filling pipe 14 are straight pipes, and the upper connecting pipe 11, the tapered pipe 12, and the lower connecting pipe 13 are integrated.

[0030] More specifically, the lower portion of the filling pipe 14 is provided with a rolling groove 16 on the outer periphery, which facilitates the connection of a flexible hose, and the hose can be fixed by a clamp to extend the filling path.

[0031] More specifically, the filling nozzle 15 is a silica gel head.

[0032] More specifically, the silica gel head comprises a connecting head screwed into the inner side of the filling pipe 14 on the upper portion and a filling head 151 in the shape of a funnel on the lower portion, and necessarily, the connecting head has external threads, the inner wall of the filling pipe 14 has internal threads, the filling pipe 14 and the connecting head are made of the same material in this example, the connecting head and the filling head 151 are fixed by adhesion, the bottom of the filling head 151 has a circular or cross-shaped opening, one side of the lower portion of the opening is provided with a valve 152 integrated with the filling head 151, which covers the lower surface of the opening in a natural state and can be turned down to expose the opening, the principle of the silica gel head is similar to that of a nipple, both have a relatively long bottom with an opening at the bottom, which is not enough to squeeze out the liquid inside under the pressure generated by the gravity of the material itself in the closed state, and the internal liquid is squeezed out to realize filling after receiving a certain degree of pressure, avoiding the use of a power device to control opening and closing.

[0033] More specifically, the inner walls of the upper connecting pipe 11, the tapered pipe 12, the lower connecting pipe 13, and the filling pipe 14 are all provided with a corrosion-resistant layer to prevent corrosion by aminotri-methyl phosphonic acid.

[0034] The utility model discloses a feed pipe connects material bucket, opens electromagnetic valve in filling time PLC controller, promotes the piston, extracts the amino trimethyl phosphonic acid of certain capacity into the piston cylinder, after the magnetic induction type proximity switch above the piston triggers, PLC receives this feedback, closes electromagnetic valve immediately, and fills in the down -pressing piston, completes a filling process, and such reciprocating realizes the operation of extracting material and filling material, the utility model structure simplifies, need not complex program setting, and realized energy -conserving.

[0035] Although the embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An aminotri (methylphosphine) acid filling device characterized by: The application relates to a filling container and a piston assembly. The piston assembly comprises a piston cylinder, limit rings arranged at the upper and lower ends of the piston cylinder, and a lifting device which drives the piston to move between the limit rings of the piston cylinder through a piston rod fixed at the lower end of the lifting device; a magnetic induction type proximity switch is arranged on one position of each limit ring; a permanent magnet is embedded on the upper and lower surfaces of the piston; when the permanent magnet contacts the limit ring, the magnetic induction type proximity switch is triggered; the magnetic induction type proximity switches are electrically connected with a PLC controller.

2. The aminotri(methylene)phosphonic acid filling device according to claim 1, characterized in that: The filling container comprises a box body, the box body has an inner cavity, a pressing injection port is arranged at the upper part of the box body, a feeding pipe is arranged on the box body, a plurality of mounting holes are arranged at the lower part of the box body, and a funnel assembly is mounted in each mounting hole; an electromagnetic valve is arranged on the feeding pipe; the mounting holes and the pressing injection port are communicated with the inner cavity of the box body; the lower part of the funnel assembly is provided with a filling nozzle made of elastic material and provided with an opening; the piston cylinder and the box body are an integral structure or the piston cylinder is screwed into the box body.

3. The aminotri(methylene)phosphonic acid filling apparatus according to claim 2, characterized by: The funnel assembly comprises an upper connecting pipe, a conical pipe, a lower connecting pipe and a filling pipe arranged from top to bottom, the upper end of the upper connecting pipe and the lower end of the lower connecting pipe are provided with external thread ports, the upper part of the filling pipe is screwed with the lower connecting pipe, and the inner side of the upper part of the filling pipe is provided with a filling nozzle.

4. The aminotri(methylene)phosphonic acid filling apparatus according to claim 3, characterized by: The upper connecting pipe, the lower connecting pipe and the filling pipe are straight pipes, and the upper connecting pipe, the conical pipe and the lower connecting pipe are an integral structure.

5. The aminotri(methylene)phosphonic acid filling apparatus according to claim 4, characterized by: The lower part of the filling pipe is provided with a rolling groove.

6. The aminotri(methylene)phosphonic acid filling apparatus according to claim 5, characterized by: The filling nozzle is an electromagnetic valve or a silica gel head.

7. The aminotri(methylene)phosphonic acid filling apparatus according to claim 6, characterized by: The silica gel head comprises a connecting head screwed into the inner side of the filling pipe and a pouring head in the shape of a funnel, the pouring head is provided with a circular or cross-shaped opening at the bottom, one side of the lower part of the opening is provided with a valve integrated with the pouring head, the valve covers the lower surface of the opening in a natural state and can be turned down to expose the opening.

8. The aminotri(methylene)phosphonic acid filling apparatus according to claim 7, characterized by: The inner walls of the upper connecting pipe, the conical pipe, the lower connecting pipe and the filling pipe are provided with an anti-corrosion layer.

9. The aminotri(methylene)phosphonic acid filling apparatus according to claim 8, characterized by: ​

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