CN211935685U

CN211935685U - Device for stably improving citric acid light transmittance

Info

Publication number: CN211935685U
Application number: CN202020361175.6U
Authority: CN
Inventors: 杜胜伟; 时振
Original assignee: Laiwu Taihe Biochemistry Co ltd
Current assignee: Laiwu Taihe Biochemistry Co ltd
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2020-11-17
Anticipated expiration: 2030-03-20

Abstract

The utility model relates to a device for stably improving citric acid light transmittance, which comprises a first decolorizing barrel and a second decolorizing barrel, wherein the lower part of the first decolorizing barrel is communicated with the upper part of the second decolorizing barrel through a communicating pipe, a first stirring mechanism is arranged in the first decolorizing barrel, and a second stirring mechanism is arranged in the second decolorizing barrel; the feeding pipe is used for conveying the citric acid solution into the first decoloring barrel and is connected with a flowmeter; the spiral scale is used for adding powdered activated carbon into the first decoloring barrel; the flowmeter is connected with an input end circuit of the programmable logic controller, and the spiral scale is connected with an output end circuit of the programmable logic controller; and a first discharge pipe is connected to the second decoloring barrel, the first discharge pipe is communicated with the output main pipe, and a discharge pump is connected to the output main pipe. Activated carbon and citric acid solution can be fully mixed in first decoloration bucket, can not appear along with advancing along with going out, and mixing time is long, and the decoloration is effectual, and citric acid solution's luminousness is high.

Description

Device for stably improving citric acid light transmittance

Technical Field

The utility model relates to a citric acid production technical field especially relates to a stably improve citric acid luminousness device.

Background

In the production process of citric acid, the decomposed citric acid solution needs to be added with powdered activated carbon to improve the light transmittance of the feed liquid. The conventional processing structure is shown in the attached figure 1 of the specification and mainly comprises a decoloring barrel with a stirring mechanism, and a discharge pump is connected to the bottom of the decoloring barrel for discharging. The using method comprises the following steps: citric acid solution is continuous pours into the decoloration bucket into, and when the liquid level reached the stirring position, the rabbling mechanism was opened simultaneously artifical once only and is added quantitative active carbon, when the liquid level reached a take the altitude, opened the ejection of compact pump ejection of compact, added a certain amount of active carbon in an hour again, and is repeated.

The structure is found to have the following technical problems through practical use: firstly, the active carbon and the citric acid solution are discharged along with the inlet, the mixing time of the active carbon and the citric acid solution is short, the mixing is insufficient, the decoloring effect is poor, and the light transmittance of the feed liquid is not high; secondly, the active carbon needs to be added for several times, the active carbon is added once each time, the addition amount of the active carbon cannot be effectively matched with the injection amount of the citric acid solution, the decolorization is unstable, and the light transmittance is different.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art's not enough, provide a stably improve citric acid luminousness device.

The utility model is realized by the following technical proposal, the device for stably improving the citric acid light transmittance is provided, which comprises a first decolorizing barrel and a second decolorizing barrel, wherein the lower part of the first decolorizing barrel is communicated with the upper part of the second decolorizing barrel through a communicating pipe, a first stirring mechanism is arranged in the first decolorizing barrel, and a second stirring mechanism is arranged in the second decolorizing barrel; the feeding pipe is used for conveying the citric acid solution into the first decoloring barrel and is connected with a flowmeter; the spiral scale is used for adding powdered activated carbon into the first decoloring barrel; the flowmeter is connected with an input end circuit of the programmable logic controller, and the spiral scale is connected with an output end circuit of the programmable logic controller; and a first discharge pipe is connected to the second decoloring barrel, the first discharge pipe is communicated with the output main pipe, and a discharge pump is connected to the output main pipe.

Preferably, a liquid level sensor is arranged on the second decoloring barrel, the liquid level sensor is in circuit connection with the input end of the programmable logic controller, and the discharge pump is in circuit connection with the output end of the programmable logic controller.

Preferably, the first stirring mechanism and the second stirring mechanism are both electric stirrers.

Preferably, the first decoloring barrel is connected with a second discharge pipe, the second discharge pipe is communicated with the output main pipe, and the second discharge pipe is provided with a valve switch.

The utility model has the advantages that:

1. the filling tube carries citric acid solution and gives programmable logic controller with flow signal transmission through the flowmeter in to first decoloration bucket, and programmable logic controller calls the output quantity of powder active carbon according to flow size control spiral, realizes citric acid solution and powder active carbon synchronous transport, and the addition of active carbon effectively matches with citric acid solution's injection volume moreover, and the decoloration is stable, and the luminousness is homogeneous.

2. Adopt the mode of communicating pipe play liquid, the mixed liquid of communicating pipe output is the feed liquid that the bottom mixing time is longer and mix fully, and not newly-added, active carbon and citric acid solution can be fully mixed in first decoloration bucket, can not appear along with advancing along with going out, and mixing time is long, and the decoloration is effectual, and citric acid solution's luminousness is high.

Drawings

FIG. 1 is a schematic diagram of a prior art processing architecture;

FIG. 2 is a schematic structural view of the present invention;

shown in the figure:

1. the device comprises a first decoloring barrel, a second decoloring barrel, a communicating pipe, a first stirring mechanism, a second stirring mechanism, a spiral scale, a feeding pipe, a flowmeter, a valve switch, a second discharging pipe, a first discharging pipe, a second discharging pipe, a first discharging pipe, a second discharging main pipe, a second discharging pump.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

As shown in fig. 2, the utility model discloses a first decoloration bucket 1 and second decoloration bucket 2, communicating pipe 3 intercommunication is passed through with the upper portion of second decoloration bucket 2 to the lower part of first decoloration bucket 1, is equipped with first rabbling mechanism 4 in first decoloration bucket 1, is equipped with second rabbling mechanism 5 in second decoloration bucket 2. The feed pipe 7 is used for conveying the citric acid solution into the first decolorizing barrel 1, and the flow meter 8 is connected to the feed pipe 7. The screw scale 6 is used to add powdered activated carbon into the first bleaching barrel 1. The flowmeter 8 is connected with the input end circuit of the programmable logic controller, and the spiral scale 6 is connected with the output end circuit of the programmable logic controller. The second decolorizing barrel 2 is connected with a first discharge pipe 11, the first discharge pipe 11 is communicated with an output main pipe 12, and the output main pipe 12 is connected with a discharge pump 13. When the liquid level in the second decoloring barrel 2 reaches a certain position, the discharge pump 13 is manually started to discharge the materials.

In the embodiment, in order to facilitate the operation and realize the intelligent control, the liquid level sensor 14 is installed on the second decoloring barrel 2, the liquid level sensor 14 is connected with the input end circuit of the programmable logic controller, and the discharging pump 13 is connected with the output end circuit of the programmable logic controller. When the liquid level of the second decoloring barrel 2 reaches a set position, the liquid level sensor 14 transmits a signal to the programmable logic controller, and the programmable logic controller sends an instruction to start the discharging pump 13 to start discharging.

In this embodiment, the flowmeter 8, the liquid level sensor 14, the spiral scale 6, the discharge pump 13 and the programmable logic controller all adopt the existing structure, the corresponding circuit connection part is not improved, the existing connection form is still used, the circuit connection relationship is well known by those skilled in the art, and is explicitly described in the related patent documents, so the specific circuit connection relationship is not described again.

In this embodiment, the feeding cylinder of the spiral scale 6 is connected with the first decoloring barrel 1 through a mounting plate 15.

In this embodiment, the first stirring mechanism 4 and the second stirring mechanism 5 both adopt the existing electric stirrer, and the start and stop of the first stirring mechanism 4 and the second stirring mechanism 5 are manually controlled.

In this embodiment, in order to facilitate emergency evacuation of the first decoloring barrel 1, a second discharge pipe 10 is connected to the first decoloring barrel 1, the second discharge pipe 10 is communicated with an output main pipe 12, and a valve switch 9 is installed on the second discharge pipe 10.

During the specific use, the filling tube 7 carries citric acid solution and gives programmable logic controller with flow signal transmission through flowmeter 8 in to first decoloration bucket 1, and programmable logic controller calls the output quantity of powder active carbon according to the flow size control spiral, realizes citric acid solution and powder active carbon synchronous transport, and the addition of active carbon effectively matches with citric acid solution's injection volume moreover, and the decoloration is stable, and the luminousness is homogeneous. Annotate the material in-process and can open first rabbling mechanism 4 and second rabbling mechanism 5, when the liquid level of first decoloration bucket 1 reached with the height of communicating pipe 3 upper end parallel and level, the mixed liquid that has fully decolored enters into second decoloration bucket 2 through communicating pipe 3, reaches the settlement position when the liquid level of second decoloration bucket 2, level sensor 14 gives programmable logic controller with signal transmission, sends the instruction by programmable logic controller again and starts ejection of compact pump 13 and begin the ejection of compact. Adopt the mode of communicating pipe 3 play liquid, the mixed liquid of communicating pipe 3 output is the feed liquid that the bottom mixing time is longer and mix fully, and not newly-added, active carbon and citric acid solution can be fully mixed in first decoloration bucket 1, can not appear along with advancing along with going out, and mixing time is long, and the decoloration is effectual, and citric acid solution's luminousness is high.

Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.

Claims

1. The utility model provides a stably improve citric acid luminousness device which characterized in that: the device comprises a first decoloring barrel and a second decoloring barrel, wherein the lower part of the first decoloring barrel is communicated with the upper part of the second decoloring barrel through a communicating pipe, a first stirring mechanism is arranged in the first decoloring barrel, and a second stirring mechanism is arranged in the second decoloring barrel; the feeding pipe is used for conveying the citric acid solution into the first decoloring barrel and is connected with a flowmeter; the spiral scale is used for adding powdered activated carbon into the first decoloring barrel; the flowmeter is connected with an input end circuit of the programmable logic controller, and the spiral scale is connected with an output end circuit of the programmable logic controller; and a first discharge pipe is connected to the second decoloring barrel, the first discharge pipe is communicated with the output main pipe, and a discharge pump is connected to the output main pipe.

2. The device for stably improving the transmittance of citric acid according to claim 1, wherein: and a liquid level sensor is arranged on the second decoloring barrel and is connected with an input end circuit of the programmable logic controller, and a discharge pump is connected with an output end circuit of the programmable logic controller.

3. The device for stably improving the transmittance of citric acid according to claim 2, wherein: the first stirring mechanism and the second stirring mechanism are both electric stirrers.

4. The device for stably improving the transmittance of citric acid according to claim 1, wherein: and a second discharge pipe is connected to the first decoloring barrel, the second discharge pipe is communicated with the output main pipe, and a valve switch is arranged on the second discharge pipe.