Acetaminophen refined mother liquor recovery treatment device

Abstract

The utility model discloses an acetaminophen refined mother liquor recovery processing device which comprises a rack, a barrel shell is installed in the rack, filter screens are arranged in the barrel shell at intervals, the filter screens are clamped in a screen ring, a protruding tongue of the screen ring is rotationally connected to the barrel shell through a hinged support, an arc groove is formed in the side wall of one side of the barrel shell in a penetrating mode, and an arc plate is arranged on the outer side of the arc groove. The arc plate is connected to the outer curved surface of the net ring through an arc pad, the arc pad is clamped in the arc groove, a pressing rod mechanism is arranged on the outer side of the arc plate, and a seat plate of the pressing rod mechanism is connected to the outer wall of the barrel shell; the device is simple in structure, reasonable in design and novel and unique in thought, the adsorption layer is placed on the filter screen, the baffle ring limits the adsorption layer (particulate matter, a pad and the like), the adsorption layer adsorbs and filters mother liquor, the arc plate shields the arc groove in the barrel shell, and the arc pad on the inner side of the arc plate seals the arc groove, so that the mother liquor entering the barrel shell is prevented from leaking, and the service life of the mother liquor is prolonged. In addition, the arc plate is pressed and contacted through the pressing rod mechanism, so that the arc plate is prevented from accidentally driving the net ring and the filter net to rotate out.

Description

Technical Field

[0001] This utility model relates to the field of chemical technology, and in particular to a device for recovering and treating mother liquor from acetaminophen refining. Background Technology

[0002] Acetaminophen, also known as paracetamol, is an acetanilide antipyretic and analgesic, also called paracetamol. It is a white crystalline or crystalline powder, odorless, and has a slightly bitter taste.

[0003] Currently, the recycling process of acetaminophen refining mother liquor often involves the use of resin adsorbents for adsorption. After adsorption, the resin adsorbent needs to be regenerated or replaced. However, removing the resin adsorbent from the equipment is currently a complex operation, often requiring the disassembly of many parts. This not only increases the labor intensity of workers but also hinders subsequent maintenance. Therefore, we propose a recycling device for acetaminophen refining mother liquor. Utility Model Content

[0004] The purpose of this invention is to address existing problems by providing a device for recovering and treating acetaminophen refining mother liquor.

[0005] This utility model is achieved through the following technical solution: a device for recovering and treating acetaminophen refining mother liquor, including a frame, a barrel shell installed inside the frame, filter screens spaced apart inside the barrel shell, the filter screens being snapped into a mesh ring, the protrusion of the mesh ring being rotatably connected to the barrel shell through a hinge seat, an arc groove being provided through one side wall of the barrel shell, an arc plate being provided outside the arc groove, the arc plate being connected to the outer curved surface of the mesh ring through an arc pad, the arc pad being snapped into the arc groove, a pressure rod mechanism being provided outside the arc plate, and the seat plate of the pressure rod mechanism being connected to the outer wall of the barrel shell.

[0006] As a further improvement to the above solution, a retaining ring is connected to the outer edge of the filter screen, and the retaining ring is stacked on the upper surface of the mesh ring;

[0007] A retaining ring is installed on the outer edge of the filter screen to limit the adsorption layer placed on the filter screen, preventing the adsorption layer from detaching from the filter screen during rotation. At the same time, the retaining ring restricts the filter screen, ensuring that it is securely installed within the mesh ring.

[0008] As a further improvement to the above solution, the height of the arc groove is matched with the height of the retaining ring;

[0009] Ensure that the retaining ring can pass smoothly through the arc groove, and prevent the mesh ring from passing smoothly through the arc groove during rotation.

[0010] As a further improvement to the above solution, the pressure bar mechanism includes a base plate, a stop rod is hinged to the outer end of the base plate, one end of a spring is connected to the inner end of the lower end of the stop rod, the other end of the spring contacts the outer curved surface of the arc plate, and an angle plate is provided at the inner end of the base plate.

[0011] Rotate the stop lever to make it rotate at the outer end of the base plate, and drive the spring to disengage from the outer edge of the arc plate, so that the spring is away from the arc plate and the arc plate is restricted by the spring and the connecting rod; if the stop lever is released, the stop lever will automatically rotate to reset, and drive the spring to rotate and fall to the outer edge of the arc plate, preventing the arc plate from rotating with the mesh ring.

[0012] As a further improvement to the above solution, the lower end of the barrel shell is connected to a tube, through which excess mother liquor is discharged.

[0013] Compared with the prior art, this utility model has the following advantages: it has a simple structure, reasonable design, and novel and unique concept. By placing an adsorption layer on the filter screen and limiting the adsorption layer (particulate matter, pads, etc.) by a retaining ring, the mother liquor is adsorbed and filtered through the adsorption layer. The arc plate blocks the arc groove on the barrel shell, and the arc pad on the inner side of the arc plate seals the arc groove to prevent the mother liquor entering the barrel shell from leaking out. In addition, the pressure rod mechanism presses the arc plate to prevent the arc plate from accidentally driving the mesh ring and filter screen to rotate out. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model.

[0015] Figure 2 A schematic diagram of the structure for installing a filter screen inside the barrel shell.

[0016] Figure 3 This is a schematic diagram of the filter screen installed on the mesh ring.

[0017] Figure 4 This is a schematic diagram of the filter screen.

[0018] Figure 5 This is a schematic diagram of the pressure bar mechanism. Detailed Implementation

[0019] The present invention will be further described below with reference to the accompanying drawings.

[0020] like Figures 1 to 5As shown, a device for recovering and treating acetaminophen refining mother liquor includes a frame 1, a barrel shell 2 installed inside the frame 1, filter screens 3 spaced apart inside the barrel shell 2, the filter screens 3 being snapped into a mesh ring 8, the protrusions 81 of the mesh ring 8 being rotatably connected to the barrel shell 2 via a hinge seat 31, an arc groove 10 being provided through one side wall of the barrel shell 2, an arc plate 4 being provided outside the arc groove 10, the arc plate 4 being connected to the outer curved surface of the mesh ring 8 via an arc pad 9, the arc pad 9 being snapped into the arc groove 10, a pressure rod mechanism 5 being provided outside the arc plate 4, and a seat plate 51 of the pressure rod mechanism 5 being connected to the outer wall of the barrel shell 2.

[0021] As a further improvement to the above solution, a retaining ring 7 is connected to the outer edge of the filter screen 3, and the retaining ring 7 is stacked on the upper surface of the mesh ring 8;

[0022] The filter screen 3 is provided with a retaining ring 7. The retaining ring 7 limits the adsorption layer placed on the filter screen 3, preventing the adsorption layer from falling off the filter screen 3 during the rotation of the filter screen 3. At the same time, the retaining ring 7 restricts the filter screen 3, ensuring that the filter screen 3 is locked in the mesh ring 8.

[0023] As a further improvement to the above solution, the height of the arc groove 10 is matched with the height of the retaining ring 7;

[0024] Ensure that the retaining ring 7 can pass smoothly through the arc groove 10, and prevent the mesh ring 8 from passing smoothly through the arc groove 10 during rotation.

[0025] As a further improvement to the above solution, the pressure rod mechanism 5 includes a seat plate 51, with a stop rod 52 hinged to the outer end of the seat plate 51, and one end of a spring 53 connected to the inner end of the lower end of the stop rod 52. The other end of the spring 53 contacts the outer curved surface of the arc plate 4, and an angle plate 54 is provided at the inner end of the seat plate 51.

[0026] Rotate the stop lever 52 so that it rotates at the outer end of the seat plate 51, and drive the spring 53 to disengage from the outer edge of the arc plate 4, so that the spring 53 moves away from the arc plate 4, ensuring that the arc plate 4 is restricted by the spring 53 and the connecting rod; if the stop lever 52 is released, the stop lever 52 will automatically rotate and reset, driving the spring 53 to rotate and fall to the outer edge of the arc plate 4, preventing the arc plate 4 from rotating with the mesh ring 8.

[0027] As a further improvement to the above solution, the lower end of the barrel shell 2 is connected to a tube 6, through which excess mother liquor is discharged.

[0028] The working principle of an acetaminophen refining mother liquor recovery and treatment device is as follows: The acetaminophen refining mother liquor is poured into the filter screen 3 inside the barrel shell 2. The adsorption layer (adsorption particles are resin particles) on the filter screen 3 absorbs the mother liquor. After the resin particles on the top layer of the filter screen 3 are saturated, the excess mother liquor leaks down from the filter screen 3. The resin at the bottom layer and the resin at the top layer also absorb the leaked mother liquor. Any remaining unabsorbed mother liquor leaks down from the tube 6.

[0029] Rotate the stop lever 52 so that it rotates at the outer end of the seat plate 51, causing the spring 53 to disengage from the outer edge of the arc plate 4, moving the spring 53 away from the arc plate 4, pulling the arc plate 4, and causing the mesh ring 8 and filter screen 3 to rotate out of the barrel shell 2 through the arc groove 10, and the filter screen 3 can be removed from the mesh ring 8, and then the adsorbed particles can be removed; then rotate the mesh ring 8 so that the filter screen 3 is placed inside the barrel shell 2, with the arc plate 4 tightly attached to the outer side of the arc groove 10, release the stop lever 52, and the stop lever 52 will automatically rotate and reset, causing the spring 53 to rotate and fall to the outer edge of the arc plate 4, preventing the arc plate 4 from rotating out with the mesh ring 8.

[0030] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A device for recovering and treating mother liquor from acetaminophen refining, comprising a frame, characterized in that, A barrel shell is installed inside the frame, and filter screens are spaced apart inside the barrel shell. The filter screens are snapped into the mesh ring. The protrusion of the mesh ring is rotatably connected to the barrel shell through a hinge seat. An arc groove is provided through one side wall of the barrel shell. An arc plate is provided on the outside of the arc groove. The arc plate is connected to the outer curved surface of the mesh ring through an arc pad. The arc pad is snapped into the arc groove. A pressure rod mechanism is provided on the outside of the arc plate. The seat plate of the pressure rod mechanism is connected to the outer wall of the barrel shell.

2. The acetaminophen refining mother liquor recovery and treatment device according to claim 1, characterized in that, A retaining ring is connected to the outer edge of the filter screen, and the retaining ring is stacked on the upper surface of the mesh ring.

3. The acetaminophen refining mother liquor recovery and treatment device according to claim 1, characterized in that, The height of the arc groove matches the height of the retaining ring.

4. The acetaminophen refining mother liquor recovery and treatment device according to claim 1, characterized in that, The pressure rod mechanism includes a base plate, a stop rod is hinged to the outer end of the base plate, one end of a spring is connected to the inner end of the lower end of the stop rod, the other end of the spring contacts the outer curved surface of the arc plate, and an angle plate is provided at the inner end of the base plate.

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