Device for removing solids in diketogluconic acid solution

Abstract

The utility model relates to the technical field of impurity filtering, in particular to a diketogluconic acid solution solid matter removing device which is characterized in that when the diketogluconic acid solution solid matter removing device is used, after special-shaped matter of a diketogluconic acid solution is filtered and removed through a filtering assembly, water vapor enters a heat exchanger through a steam inlet pipe and is discharged through a steam outlet pipe; the water vapor in the heat exchanger is used for carrying out low-pressure heating on a diketogluconic acid solution in the heat exchanger, and a cleaning assembly is opened, so that the water vapor in a steam outlet pipe enters a filtering assembly to carry out impurity cleaning; comprising a bottom plate, a heat exchanger, a steam inlet pipe and a steam outlet pipe, the heat exchanger is arranged at the top end of the bottom plate, the steam inlet pipe is arranged at the shell pass input end of the heat exchanger, and the steam outlet pipe is arranged at the shell pass output end of the heat exchanger. And a cleaning assembly is arranged between the steam outlet pipe and the filtering assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of impurity filtering, in particular to a diketo gluconic acid solution solids removing device. Background Art

[0002] Piniso VC sodium is obtained by reacting the intermediate diketo gluconic acid with sodium carbonate in a methanol medium to obtain a crude product, which is then dissolved, crystallized, refined and dried. The diketo gluconic acid solution needs to be dehydrated and impurities removed before the reaction. A self-made filter is installed on the feed pipe and the circulation pipe to remove the solids in the solution online in time.

[0003] In the prior art, a patent document with application number 202010034268.2 discloses an organic solvent filtering device, including a tower body, which is conical, and a plurality of mounting grooves are arranged on the inner wall of the tower body, and a sealing internal thread is arranged on the inner side of the mounting groove. A filter material disc is inserted into each mounting groove, and a sealing external thread is arranged on the outer side of the filter material disc. The sealing internal thread and the sealing external thread are connected to each other, and two adjacent filter material discs are connected by a plurality of connecting rods, and the connecting rods are detachably connected to the filter material disc.

[0004] During use, it was found that when the filter disc of the above device needs to be cleaned, the filtration process needs to be stopped, which affects the filtration efficiency. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a diketopogluconic acid solution solids removing device with improved filtration efficiency.

[0006] The utility model discloses a diketopgluconic acid solution solids removing device, comprising a bottom plate, a heat exchanger, a steam inlet pipe and a steam outlet pipe, wherein the top of the bottom plate is provided with a heat exchanger, the shell side input end of the heat exchanger is provided with a steam inlet pipe, the shell side output end of the heat exchanger is provided with a steam outlet pipe, and the utility model further comprises a cleaning component and a filtering component, wherein the top of the bottom plate is provided with a filtering component, the output end of the filtering component is communicated with the input end of the heat exchanger tube side, and a cleaning component is provided between the steam outlet pipe and the filtering component; when in use, after the diketopgluconic acid solution is filtered and removed with foreign-shaped matter through the filtering component, water vapor enters the interior of the heat exchanger through the steam inlet pipe and is discharged through the steam outlet pipe, and the water vapor in the heat exchanger performs low-pressure heating on the diketopgluconic acid solution in the heat exchanger, and when the filtering component needs to be cleaned, the cleaning component is opened, so that the water vapor in the steam outlet pipe enters the filtering component to clean and clear impurities.

[0007] Preferably, the filter assembly includes a delivery pump, a No. 1 three-way pipe, a delivery pipe, a filter box, a filter valve, a No. 2 three-way pipe, a liquid inlet pipe, a liquid outlet pipe, a sealing cover and a sewage discharge assembly. A delivery pump is arranged on the top of the bottom plate, the input end of the delivery pump is connected with the output end of the No. 2 three-way pipe, the two groups of input ends of the No. 2 three-way pipe are respectively connected with the output end of a group of delivery pipes, the input ends of the two groups of delivery pipes are respectively connected with the two groups of output ends of the No. 1 three-way pipe, the input ends of the delivery pipes are arranged with liquid inlet pipes, each group of delivery pipes is respectively arranged with a group of filter boxes and two groups of filter valves, each group of filter boxes is respectively arranged with filter material discs, and each group of filter boxes is respectively arranged with a group of sealing The delivery pump output end is connected with the heat exchanger tube input end, a liquid outlet pipe is provided at the heat exchanger tube output end, and a set of sewage discharge components is provided on each set of filter boxes; when filtering, the two sets of filter valves on the first set of delivery pipes are opened and the two sets of filter valves on the second set of delivery pipes are closed, and the delivery pump is started, so that the diketogluconic acid solution passes through the liquid inlet pipe and the filter material disc inside the first set of filter boxes to filter impurities and then enters the heat exchanger tube through the liquid outlet pipe for heating. When the filter material disc needs to be cleaned, the corresponding two sets of filter valves are closed and the other two sets of filter valves are opened to achieve continuous filtering and cleaning at the same time.

[0008] Preferably, the cleaning component includes an input pipe, a No. 4 three-way pipe and a cleaning valve. The steam outlet pipe is provided with an input pipe, the output end of the input pipe is connected with the input end of the No. 4 three-way pipe, the two groups of output ends of the No. 4 three-way pipe are respectively connected with the top of a group of filter boxes, and two groups of cleaning valves are provided on the No. 4 three-way pipe; when the filter material disc needs to be backwashed, the staff opens one group of cleaning valves and closes the other group of cleaning valves, so that the water vapor inside the steam outlet pipe enters the corresponding filter box through the input pipe and the No. 4 three-way pipe to backwash the filter material disc.

[0009] Preferably, the sewage discharge assembly includes a sewage discharge pipe and a sewage discharge valve. A group of sewage discharge pipes are provided on the filter box, and a sewage discharge valve is installed on the sewage discharge pipe. When the filter material disc inside the filter box is backwashed, the corresponding sewage discharge valve is opened to discharge impurities through the sewage discharge pipe, thereby improving convenience.

[0010] Preferably, a handle is further included, and the sealing cover is provided with a handle; when the filter material disc needs to be replaced, the staff moves the sealing cover through the handle, thereby improving convenience.

[0011] Preferably, it also includes a No. 1 thermometer and a No. 2 thermometer. The No. 1 thermometer is provided at the output end of the delivery pump, and the No. 2 thermometer is provided on the liquid outlet pipe. The No. 1 thermometer and the No. 2 thermometer detect the temperature change of the diketogluconic acid solution after being heated by the heat exchanger, thereby improving convenience.

[0012] Preferably, the base plate and the heat exchanger are connected by welding.

[0013] Compared with the prior art, the utility model has the following beneficial effects: when in use, the diketopyrrolidine gluconic acid solution is filtered and removed through the filter assembly to remove foreign-shaped objects, and then water vapor enters the heat exchanger through the steam inlet pipe and is discharged through the steam outlet pipe. The water vapor inside the heat exchanger heats the diketopyrrolidine gluconic acid solution inside the heat exchanger at a low pressure. When the filter assembly needs to be cleaned, the cleaning assembly is opened to allow the water vapor inside the steam outlet pipe to enter the filter assembly to clean and clear impurities. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a first axonometric structural schematic diagram of the utility model;

[0015] Figure 2 It is an enlarged structural diagram of the steam outlet pipe and the No. 2 tee pipe;

[0016] Figure 3 It is an enlarged structural diagram of the input pipe and the cleaning valve;

[0017] Figure 4 It is an enlarged structural diagram of the filter box and No. 1 tee pipe and other structures;

[0018] Figure 5 It is a second axonometric structural schematic diagram of the utility model.

[0019] Markings in the attached figure: 1. bottom plate; 2. heat exchanger; 3. steam inlet pipe; 4. steam outlet pipe; 5. delivery pump; 6. No. 1 tee; 7. delivery pipe; 8. filter box; 9. filter valve; 10. No. 2 tee; 11. liquid inlet pipe; 12. liquid outlet pipe; 13. sealing cover; 14. input pipe; 15. No. 4 tee; 17. cleaning valve; 18. drain pipe; 19. drain valve; 20. handle; 21. No. 1 thermometer; 22. No. 2 thermometer. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive. Example 1

[0021] like Figure 1 and Figure 5As shown, a diketo gluconic acid solution solids removal device of the utility model comprises a bottom plate 1, a heat exchanger 2, a steam inlet pipe 3 and a steam outlet pipe 4, the top of the bottom plate 1 is provided with a heat exchanger 2, the shell side input end of the heat exchanger 2 is provided with a steam inlet pipe 3, the shell side output end of the heat exchanger 2 is provided with a steam outlet pipe 4, and also comprises a cleaning component and a filtering component, the top of the bottom plate 1 is provided with a filtering component, the output end of the filtering component is connected with the tube side input end of the heat exchanger 2, and a cleaning component is provided between the steam outlet pipe 4 and the filtering component;

[0022] like Figures 1 to 4 As shown, the filtering assembly includes a delivery pump 5, a No. 1 tee 6, a delivery pipe 7, a filter box 8, a filter valve 9, a No. 2 tee 10, a liquid inlet pipe 11, a liquid outlet pipe 12, a sealing cover 13 and a sewage discharge assembly. A delivery pump 5 is arranged on the top of the bottom plate 1, and the input end of the delivery pump 5 is connected with the output end of the No. 2 tee 10, and the two groups of input ends of the No. 2 tee 10 are respectively connected with the output end of a group of delivery pipes 7, and the input ends of the two groups of delivery pipes 7 are respectively connected with the two groups of output ends of the No. 1 tee 6, and the input end of the delivery pipe 7 is provided with a liquid inlet pipe 11, and each group of delivery pipes 7 is respectively provided with a group of filter boxes 8 and two groups of filter valves 9, and each group of filter boxes 8 is respectively provided with a filter material disk, and each group of filter boxes 8 is respectively provided with a group of sealing covers 13, and the output end of the delivery pump 5 is connected with the input end of the pipe side of the heat exchanger 2, and the output end of the pipe side of the heat exchanger 2 is provided with a liquid outlet pipe 12, and each group of filter boxes 8 is respectively provided with a group of sewage discharge assemblies.

[0023] In this embodiment, when in use, the two groups of filter valves 9 on the first group of delivery pipes 7 are opened and the two groups of filter valves 9 on the second group of delivery pipes 7 are closed, and the delivery pump 5 is started, so that the diketopyrrolidone gluconic acid solution passes through the liquid inlet pipe 11 and the filter material disc inside the first group of filter boxes 8 to filter impurities and then enters the heat exchanger 2 through the liquid outlet pipe 12 for heating. Water vapor enters the heat exchanger 2 through the steam inlet pipe 3 and is discharged through the steam outlet pipe 4. The water vapor inside the heat exchanger 2 heats the diketopyrrolidone gluconic acid solution inside the heat exchanger 2 at low pressure. When the filter material disc needs to be cleaned, the corresponding two groups of filter valves 9 are closed and the other two groups of filter valves 9 are opened. The cleaning component is opened, so that the water vapor inside the steam outlet pipe 4 enters the filter component for impurity cleaning and clearing. Example 2

[0024] like Figure 1 and Figure 5As shown, a diketo gluconic acid solution solids removal device of the utility model comprises a bottom plate 1, a heat exchanger 2, a steam inlet pipe 3 and a steam outlet pipe 4, the top of the bottom plate 1 is provided with a heat exchanger 2, the shell side input end of the heat exchanger 2 is provided with a steam inlet pipe 3, the shell side output end of the heat exchanger 2 is provided with a steam outlet pipe 4, and also comprises a cleaning component and a filtering component, the top of the bottom plate 1 is provided with a filtering component, the output end of the filtering component is connected with the tube side input end of the heat exchanger 2, and a cleaning component is provided between the steam outlet pipe 4 and the filtering component;

[0025] like Figures 1 to 4 As shown, the filtering assembly includes a delivery pump 5, a No. 1 tee 6, a delivery pipe 7, a filter box 8, a filter valve 9, a No. 2 tee 10, a liquid inlet pipe 11, a liquid outlet pipe 12, a sealing cover 13 and a sewage discharge assembly. The delivery pump 5 is arranged on the top of the bottom plate 1, and the input end of the delivery pump 5 is connected with the output end of the No. 2 tee 10, and the two groups of input ends of the No. 2 tee 10 are respectively connected with the output end of a group of delivery pipes 7, and the input ends of the two groups of delivery pipes 7 are respectively connected with the two groups of output ends of the No. 1 tee 6, and the input end of the delivery pipe 7 is provided with a liquid inlet pipe 11, and each group of delivery pipes 7 is respectively provided with a group of filter boxes 8 and two groups of filter valves 9, and each group of filter boxes 8 is respectively provided with a filter material disc, and each group of filter boxes 8 is respectively provided with a group of sealing covers 13, and the output end of the delivery pump 5 is connected with the input end of the pipe side of the heat exchanger 2, and the output end of the pipe side of the heat exchanger 2 is provided with a liquid outlet pipe 12, and each group of filter boxes 8 is respectively provided with a group of sewage discharge assemblies;

[0026] like Figures 2 to 4 As shown, the cleaning assembly includes an input pipe 14, a No. 4 tee pipe 15 and a cleaning valve 17. The steam outlet pipe 4 is provided with an input pipe 14, the output end of the input pipe 14 is connected to the input end of the No. 4 tee pipe 15, and the two groups of output ends of the No. 4 tee pipe 15 are respectively connected to the top end of a group of filter boxes 8, and two groups of cleaning valves 17 are provided on the No. 4 tee pipe 15;

[0027] The sewage discharge assembly includes a sewage discharge pipe 18 and a sewage discharge valve 19. The filter box 8 is provided with a set of sewage discharge pipes 18, and a sewage discharge valve 19 is installed on the sewage discharge pipes 18;

[0028] It also includes a handle 20, and the sealing cover 13 is provided with a handle 20;

[0029] The first thermometer 21 and the second thermometer 22 are also included. The output end of the delivery pump 5 is provided with the first thermometer 21 , and the liquid outlet pipe 12 is provided with the second thermometer 22 .

[0030] In this embodiment, when in use, the two groups of filter valves 9 on the first group of delivery pipes 7 are opened and the two groups of filter valves 9 on the second group of delivery pipes 7 are closed, and the delivery pump 5 is started, so that the diketopyrrolidone gluconic acid solution passes through the liquid inlet pipe 11 and the filter material disc inside the first group of filter boxes 8 to filter impurities and then enters the heat exchanger 2 through the liquid outlet pipe 12 for heating. Water vapor enters the heat exchanger 2 through the steam inlet pipe 3 and is discharged through the steam outlet pipe 4. The water vapor inside the heat exchanger 2 heats the diketopyrrolidone gluconic acid solution inside the heat exchanger 2 at low pressure. When it is necessary to clean the filter material disc, the corresponding two groups of filter valves 9 are closed and the other two groups of filter valves 9 are opened. The staff opens one group of cleaning valves 17 and closes the other group of cleaning valves 17, so that the water vapor inside the steam outlet pipe 4 enters the corresponding filter box 8 through the input pipe 14 and the No. 4 three-way pipe 15 to backwash the filter material disc.

[0031] The heat exchanger 2 and the delivery pump 5 of the diketo gluconic acid solution solids removal device of the utility model are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for creative work by technicians in this field.

[0032] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A diketo gluconic acid solution solids removal device, comprising a bottom plate (1), a heat exchanger (2), a steam inlet pipe (3) and a steam outlet pipe (4), wherein the top of the bottom plate (1) is provided with a heat exchanger (2), the shell side input end of the heat exchanger (2) is provided with a steam inlet pipe (3), and the shell side output end of the heat exchanger (2) is provided with a steam outlet pipe (4), characterized in that: It also comprises a cleaning component and a filtering component. The top of the bottom plate (1) is provided with a filtering component. The output end of the filtering component is connected to the input end of the pipe side of the heat exchanger (2). The cleaning component is provided between the steam outlet pipe (4) and the filtering component.

2. A diketopyrrolidone gluconic acid solution solids removal device as claimed in claim 1, characterized in that: The filter assembly comprises a delivery pump (5), a No. 1 three-way pipe (6), a delivery pipe (7), a filter box (8), a filter valve (9), a No. 2 three-way pipe (10), a liquid inlet pipe (11), a liquid outlet pipe (12), a sealing cover (13) and a sewage discharge assembly. The delivery pump (5) is arranged at the top of the bottom plate (1). The input end of the delivery pump (5) is connected to the output end of the No. 2 three-way pipe (10). The two groups of input ends of the No. 2 three-way pipe (10) are respectively connected to the output end of one group of delivery pipes (7). The input ends of the two groups of delivery pipes (7) are respectively connected to the No. 1 three-way pipe. The two output ends of the delivery pipe (6) are connected, the input end of the delivery pipe (7) is provided with a liquid inlet pipe (11), each delivery pipe (7) is provided with a filter box (8) and two filter valves (9), each filter box (8) is provided with a filter material disc, each filter box (8) is provided with a sealing cover (13), the output end of the delivery pump (5) is connected with the input end of the pipe side of the heat exchanger (2), the output end of the pipe side of the heat exchanger (2) is provided with a liquid outlet pipe (12), and each filter box (8) is provided with a sewage discharge component.

3. A diketopogluconic acid solution solids removal device as claimed in claim 2, characterized in that: The cleaning component comprises an input pipe (14), a No. 4 three-way pipe (15) and a cleaning valve (17). The steam outlet pipe (4) is provided with an input pipe (14). The output end of the input pipe (14) is connected to the input end of the No. 4 three-way pipe (15). The two groups of output ends of the No. 4 three-way pipe (15) are respectively connected to the top end of a group of filter boxes (8). The No. 4 three-way pipe (15) is provided with two groups of cleaning valves (17).

4. A diketopyrrolidone gluconic acid solution solids removal device as claimed in claim 2, characterized in that: The sewage discharge assembly comprises a sewage discharge pipe (18) and a sewage discharge valve (19); a group of sewage discharge pipes (18) are arranged on the filter box (8), and a sewage discharge valve (19) is installed on the sewage discharge pipe (18).

5. A diketopyrrolidone gluconic acid solution solids removal device as claimed in claim 2, characterized in that: It also comprises a handle (20), and the sealing cover (13) is provided with the handle (20).

6. A diketopyrrolidone gluconic acid solution solids removal device as claimed in claim 2, characterized in that: It also includes a first thermometer (21) and a second thermometer (22), wherein the first thermometer (21) is arranged at the output end of the delivery pump (5), and the second thermometer (22) is arranged on the liquid outlet pipe (12).

7. A diketopyrrolidone gluconic acid solution solids removal device as claimed in claim 1, characterized in that: The base plate (1) and the heat exchanger (2) are connected by welding.

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