CN213037602U - Alkaline water recovery system - Google Patents

Alkaline water recovery system Download PDF

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CN213037602U
CN213037602U CN202021772955.6U CN202021772955U CN213037602U CN 213037602 U CN213037602 U CN 213037602U CN 202021772955 U CN202021772955 U CN 202021772955U CN 213037602 U CN213037602 U CN 213037602U
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liquid
alkaline water
pipe
temperature
outlet
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李长明
李慧琳
母宣贻
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Quanzhou Fuyuan Thermal Insulation Material Co ltd
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Quanzhou Fuyuan Thermal Insulation Material Co ltd
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Abstract

The application relates to the technical field of wastewater treatment, in particular to an alkaline water recovery system, which comprises a desulfurization treatment pool, a recovery treatment device and a stirring station, and a temperature adjusting mechanism arranged on the recovery treatment device. The method has the advantages that the recovery rate of residual alkaline water is improved, and the generation amount of sulfur dioxide in the preparation process of the silicate heat-insulating material can be reduced; according to the device, the liquid outlet of the first liquid conveying pipe between the desulfurization treatment tank and the recovery treatment device and the water outlet of the water inlet pipe communicated with the recovery treatment device are aligned to the rotating direction of the rotating paddle arranged in the recovery treatment device, so that the impact force formed by the water outlet of the water inlet pipe and the impact force formed by the liquid outlet of the first liquid conveying pipe are combined to form the rotating driving force of the mixing mechanism, the mixing driving force is used for providing stirring power for the liquid in the barrel, and the mixing efficiency is improved; and no additional power source is needed.

Description

Alkaline water recovery system
Technical Field
The application relates to the technical field of wastewater treatment, in particular to an alkaline water recovery system.
Background
In the fields of buildings, industrial equipment, ships and the like, heat insulating materials are often used to improve the heat insulating performance of buildings, equipment or ships.
The heat-insulating material prepared by using silicate as a main raw material is the most commonly used heat-insulating material due to long service life, no toxicity, no odor and long heat-insulating property retention time, and has the advantages of light weight, convenient construction and the like compared with other heat-insulating materials.
The silicate heat-insulating material is prepared by taking silicate as a raw material and adding auxiliary materials such as a foaming agent and the like through the steps of raw material preparation, pulping, blank making, drying and forming. The foaming agent comprises composite sodium sulfonate, and can react with water under the high-temperature environment of the drying and forming step to generate waste gas such as sulfur dioxide and the like.
Currently, wet desulfurization techniques are often used to treat these waste gases. Wet desulfurization is to convey the waste gas into alkaline liquid, and form nontoxic carbon dioxide and sodium sulfite through chemical reaction.
In the actual waste gas treatment, the alkaline liquid is difficult to be matched with the sulfur dioxide in the waste gas exactly, and after the waste gas is treated, the residual liquid is still alkaline generally. Therefore, the alkaline water which is alkaline needs to be treated or recycled.
SUMMERY OF THE UTILITY MODEL
In order to improve the recovery rate of buck, this application provides an buck recovery system.
The application provides a buck recovery system adopts following technical scheme:
an alkaline water recovery system comprises a desulfurization treatment tank, a recovery treatment device and a stirring station; the recovery processing device comprises a cylinder body, and the cylinder body is provided with a temperature adjusting mechanism; a first liquid conveying pipe is communicated between the desulfurization treatment tank and the recovery treatment device, a liquid inlet of the first liquid conveying pipe is positioned at the lower part of the desulfurization treatment tank, and a liquid outlet of the first liquid conveying pipe is positioned at the inner side of the upper part of the barrel; a second infusion tube is communicated between the recovery processing device and the stirring station, and a liquid inlet of the second infusion tube is communicated with the inner side of the lower part of the cylinder body.
Through adopting above-mentioned technical scheme, carry out recovery processing to the buck in the desulfurization treatment pond through recovery processing device. The residual alkaline water may also contain alkaline solution with higher concentration, and in order to improve the recovery and utilization rate of the residual alkaline water, the residual alkaline water needs to be prepared; the alkaline water is recycled by a recycling device to form liquid meeting recycling requirements, and then the liquid is conveyed to a stirring station through a second liquid conveying pipe. When the pulping step is carried out in a stirring station, the treated alkaline water, the foaming agent containing the composite sodium sulfonate and the silicate material are added, the mixture enters a drying furnace for drying and forming after the blank making step, and in the drying furnace in the drying and forming step, the composite sodium sulfonate firstly reacts with water at high temperature to generate sulfur dioxide and then chemically reacts with basic groups in the alkaline water, so that the generation of the sulfur dioxide can be reduced.
Therefore, the method has the advantages of improving the recovery utilization rate of residual alkaline water and reducing the generation amount of sulfur dioxide in the preparation process of the silicate heat-insulating material.
Preferably, the cylinder is connected with a water inlet pipe, and a water outlet of the water inlet pipe is communicated with the inner side of the upper part of the cylinder; a mixing mechanism is arranged in the cylinder body; the upper part of the mixing mechanism is provided with a rotating paddle; the delivery port of inlet tube, the liquid outlet of first transfer line all are located and rotate paddle top, the delivery port of inlet tube, the liquid outlet of first transfer line are towards rotating paddle rotation direction respectively.
By adopting the technical scheme, water needs to be added to the residual alkaline water conveyed into the cylinder of the recovery processing device through the first liquid conveying pipe, so that the alkalinity of the residual alkaline water is reduced. The mixing efficiency of the residual alkaline water with the added water can be improved by the mixing mechanism. The liquid outlet of the first liquid conveying pipe and the water outlet of the water inlet pipe are aligned to the rotating direction of the rotating paddle, so that the impact force formed by the water outlet of the water inlet pipe and the impact force formed by the liquid outlet of the first liquid conveying pipe are combined to form the rotating driving force of the mixing mechanism, the mixing driving force is used for providing stirring power for the liquid in the barrel, and the mixing efficiency is improved; and no additional power source is needed.
Preferably, the mixing mechanism comprises a stirring shaft, and the rotating blade is fixedly arranged at the upper part of the stirring shaft; the stirring shaft is sleeved on the top wall of the cylinder body; the axial length of the stirring shaft is not less than half of the height of the interior of the cylinder.
Through adopting above-mentioned technical scheme, the (mixing) shaft can further improve mixing mechanism's stirring mixing performance.
Preferably, the side wall of the stirring shaft is uniformly provided with a plurality of blades, and the blades are positioned below the rotating blades; the area of each blade is smaller than that of the rotating blade.
Through adopting above-mentioned technical scheme, the blade can improve mixing stirring performance of mixing mechanism, improves the mixed degree between residual buck and the water.
Preferably, the temperature regulating mechanism comprises a temperature control assembly and a ring pipe; the ring pipe is sleeved on the side wall of the cylinder body; the temperature control assembly is arranged between the inlet and the outlet of the ring pipe; the ring pipe and the temperature control component are filled with temperature control media; the temperature control medium can be a fluid such as water, gas or oil.
By adopting the technical scheme, the desulfurization treatment tank is in a high-temperature state in the desulfurization operation process, so that the unreacted alkaline water discharged from the desulfurization treatment tank keeps a high temperature. Therefore, the residual alkaline water or the unreacted alkaline water entering the treatment and recovery device has higher temperature. This application adopts accuse temperature subassembly and ring pipe to carry out temperature regulation for remaining buck and handles, cooling, can reduce the injury to second infusion pipeline, reduces the soda and takes place chemical reaction in high temperature liquid, influences the recycle efficiency. The ring pipe surrounding the side wall of the cylinder body can make the temperature regulation more uniform.
Preferably, the inlet of the loop pipe is positioned below the cylinder body, and the outlet of the loop pipe is positioned above the cylinder body; the temperature of the inlet of the ring pipe is lower than that of the outlet of the ring pipe; the temperature regulating medium enters the inlet of the loop pipe from the temperature control component and enters the temperature control component from the outlet of the loop pipe.
By adopting the technical scheme, the residual alkaline water and water conveyed to the barrel by the first liquid conveying pipe are sprayed downwards from the upper part of the barrel through the water inlet pipe, so that the temperature of the upper part of the barrel is relatively higher than that of the lower part of the barrel. The temperature-adjusting medium with lower temperature after temperature adjustment by the temperature-adjusting component enters the annular pipe through the inlet of the annular pipe, then surrounds the barrel from bottom to top, and transmits the lower temperature to the mixed liquid in the barrel through the side wall of the barrel for reducing the temperature of the mixed liquid; then enters the temperature control component from the outlet of the ring pipe; the whole temperature control process is carried out circularly.
Preferably, the second infusion tube is provided with a pH value detection mechanism.
By adopting the technical scheme, the PH value detection mechanism is used for detecting the PH value condition of the liquid treated by the recovery treatment device.
Preferably, the PH detection mechanism includes a PH sensor.
Through adopting above-mentioned technical scheme, PH value detection mechanism passes through the PH value sensor and gathers the PH value of retrieving the liquid after the processing, and the stirring station of being convenient for adds the suitable recovery buck according to the adjustment of demand.
Preferably, the first infusion tube and the second infusion tube are provided with liquid feeding pumps.
By adopting the technical scheme, the liquid feeding pump is used for improving the conveying drive for residual alkaline water and recovered and treated alkaline water, and the conveying efficiency is improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the method has the advantages that the recovery rate of residual alkaline water is improved, and the generation amount of sulfur dioxide in the preparation process of the silicate heat-insulating material can be reduced;
2. the liquid outlet of the first liquid conveying pipe and the water outlet of the water inlet pipe are aligned to the rotating direction of the rotating paddle, so that the impact force formed by the water outlet of the water inlet pipe and the impact force formed by the liquid outlet of the first liquid conveying pipe are combined to form the rotating driving force of the mixing mechanism, the mixing driving force is used for providing stirring power for the liquid in the barrel, and the mixing efficiency is improved; and no additional power source is needed.
Drawings
FIG. 1 is a schematic structural diagram of the present application;
FIG. 2 is a schematic view of the construction of the recycling apparatus of the present application;
FIG. 3 is a schematic sectional view taken along line A-A in FIG. 2, which mainly shows the internal structure of the recycling apparatus;
FIG. 4 is a schematic structural view of a mixing mechanism in embodiment 2 of the present application;
fig. 5 is a schematic structural view of a PH detection mechanism in embodiment 2 of the present application.
Description of reference numerals: 1. a desulfurization treatment tank; 2. a recovery processing device; 21. a barrel; 22. a temperature adjustment mechanism; 221. a temperature control assembly; 222. a ring pipe; 23. a mixing mechanism; 231. rotating the paddle; 232. a stirring shaft; 233. a blade; 3. a mixing station; 4. a first infusion tube; 5. a second infusion tube; 51. a pH value detection mechanism; 511. a pH value sensor; 6. a liquid feeding pump; 7. and (4) a water inlet pipe.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The alkaline water is remained after the desulfurization treatment in the desulfurization treatment pool 1, and the PH value of the remained alkaline water is higher; and because desulfurization treatment is mostly carried out under the high temperature condition, therefore remaining buck has higher temperature, is convenient for recycle, need to carry out cooling treatment to remaining buck, and add water and allocate and reduce the pH value of liquid.
Example 1
The embodiment of the application discloses buck recovery system.
Referring to fig. 1, an alkaline water recovery system includes a desulfurization treatment tank 1, a recovery treatment device 2, and a stirring station 3.
Referring to fig. 2, a first liquid conveying pipe 4 is communicated between the desulfurization treatment tank 1 and the recovery treatment device 2, and a liquid inlet of the first liquid conveying pipe 4 is positioned at the lower part of the desulfurization treatment tank 1.
Referring to fig. 2, the recovery processing device 2 includes a cylinder 21, and the cylinder 21 is provided with a temperature adjustment mechanism 22. The liquid outlet of the first liquid conveying pipe 4 is positioned at the inner side of the upper part of the cylinder 21; a second infusion tube 5 is communicated between the recovery processing device 2 and the stirring station 3, and a liquid inlet of the second infusion tube 5 is communicated with the inner side of the lower part of the cylinder 21.
Referring to fig. 2, the water outlet of the water inlet tube 7 is communicated with the inner side of the upper part of the cylinder 21, the cylinder 21 is connected with the water inlet tube 7, and the liquid inlet of the second infusion tube 5 is positioned at the lower part of the cylinder 21.
Referring to fig. 1, a liquid feeding pump 6 is provided to the first infusion tube 4 and the second infusion tube 5. The liquid feeding pump 6 is used to increase the conveying drive for the residual alkaline water and the recovered alkaline water, thereby increasing the conveying efficiency.
Example 2
Referring to fig. 3 and 4, based on embodiment 1, the embodiment of the present application discloses an alkaline water recovery system, wherein a mixing mechanism 23 is arranged in a cylinder 21; the mixing mechanism 23 is provided at the upper part thereof with a rotary blade 231.
Referring to fig. 3, the water outlet of the water inlet tube 7 and the liquid outlet of the first infusion tube 4 are both located above the rotating paddle 231, and the water outlet of the water inlet tube 7 and the liquid outlet of the first infusion tube 4 respectively face the rotating direction of the rotating paddle 231.
Referring to fig. 3, the liquid outlet of the first liquid conveying pipe 4 and the water outlet of the water inlet pipe 7 are both aligned with the rotation direction of the rotating paddle 231, so that the impact force formed by the water outlet of the water inlet pipe 7 and the impact force formed by the water outlet of the first liquid conveying pipe 4 are combined to form the driving force for the rotation of the mixing mechanism 23, which is used for providing stirring power for the liquid in the cylinder 21 and improving the mixing efficiency; and no additional power source is needed.
The mixing mechanism 23 comprises a stirring shaft 232, and a rotating blade 231 is fixedly arranged at the upper part of the stirring shaft 232; the stirring shaft 232 is sleeved on the top wall of the cylinder 21; the axial length of the stirring shaft 232 is not less than half the height of the inside of the cylinder 21.
Referring to fig. 4, a plurality of blades 233 are uniformly arranged on the side wall of the stirring shaft 232, and the blades 233 are located below the rotating blades 231; the area of each vane 233 is smaller than the area of the rotary blade 231.
Referring to fig. 2, the temperature adjusting mechanism 22 includes a temperature control assembly 221 and a loop 222; the ring pipe 222 is sleeved on the side wall of the cylinder 21; the temperature control assembly 221 is installed between the inlet and the outlet of the loop 222; temperature adjusting media are filled in the ring pipe 222 and the temperature control assembly 221; the temperature control medium can be a fluid such as water, gas or oil.
Referring to fig. 2, the inlet of the grommet 222 is located below the cylinder 21, and the outlet of the grommet 222 is located above the cylinder 21; the temperature at the inlet of loop 222 is less than the temperature at the outlet of loop 222; the temperature regulating medium enters the inlet of loop 222 from temperature control assembly 221 and enters temperature control assembly 221 from the outlet of loop 222.
Since the residual alkaline water and water fed into the cylinder 21 through the first liquid feed pipe 4 are both sprayed downward from the upper part of the cylinder 21 through the water feed pipe 7, the temperature of the upper part of the cylinder 21 is relatively higher than that of the lower part of the cylinder 21. The temperature-adjusting medium with a lower temperature adjusted by the temperature-adjusting component 221 enters the loop pipe 222 through the inlet of the loop pipe 222, then surrounds the cylinder 21 from bottom to top, and transmits the lower temperature to the mixed liquid in the cylinder 21 through the side wall of the cylinder 21 to reduce the temperature of the mixed liquid; then enters the temperature control component 221 from the outlet of the ring pipe 222; the whole temperature control process is carried out circularly.
Referring to fig. 1, the second infusion tube 5 is provided with a PH detection mechanism 51. The pH detection means 51 detects the pH of the liquid treated by the recovery processing device 2.
The pH value detection mechanism 51 comprises a pH value sensor 511, and the pH value detection mechanism 51 collects the pH value of the liquid after recovery processing through the pH value sensor 511, so that the recovery processing device 2 can adjust alkaline water according to the requirement of the mixing plant 3.
The implementation principle of an alkaline water recovery system in the embodiment of the application is as follows:
referring to fig. 1, an alkaline water recovery system for delivering alkaline water remaining from a desulfurization reaction in a desulfurization treatment tank 1 to a recovery treatment device 2 via a first liquid transport pipe 4; after the peripheral cooling, the water adding cooling, the PH value reduction and the like are carried out in the recovery processing device 2, alkaline water meeting the recovery and utilization requirements is formed; then the mixture is conveyed to a recycling device stirring station 3 through a second liquid conveying pipe 5 and mixed with raw materials and auxiliary materials for pulping.
Referring to fig. 2, in the recovery processing device 2, the temperature control assembly 221 and the ring pipe 222 surrounding the cylinder 21 are used to reduce the temperature of the mixed liquid in the cylinder 21 and reduce the temperature of the residual alkaline water from the periphery of the cylinder 21. The residual alkaline water is sprayed from the upper part of the cylinder 21, sufficiently mixed with water similarly sprayed from the upper part of the cylinder 21, and cooled, and the pH value of the residual alkaline water can also be lowered.
Referring to fig. 1, when the stirring station 3 performs the pulping step, the treated alkaline water, the foaming agent containing the composite sodium sulfonate and the silicate material are added, and after the blank making step, the blank is fed into a drying furnace to perform a drying and forming step, in the drying furnace of the drying and forming step, the composite sodium sulfonate firstly reacts with water at high temperature to generate sulfur dioxide, and then reacts with the basic group in the alkaline water chemically, so that the generation of sulfur dioxide can be reduced.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. An alkaline water recovery system, which is characterized in that: comprises a desulfurization treatment pool (1), a recovery treatment device (2) and a stirring station (3); the recovery processing device (2) comprises a cylinder body (21), and the cylinder body (21) is provided with a temperature adjusting mechanism (22); a first liquid conveying pipe (4) is communicated between the desulfurization treatment tank (1) and the recovery treatment device (2), a liquid inlet of the first liquid conveying pipe (4) is positioned at the lower part of the desulfurization treatment tank (1), and a liquid outlet of the first liquid conveying pipe (4) is positioned at the inner side of the upper part of the barrel body (21); a second infusion tube (5) is communicated between the recovery processing device (2) and the stirring station (3), and a liquid inlet of the second infusion tube (5) is communicated with the inner side of the lower part of the cylinder body (21).
2. The alkaline water recovery system of claim 1, wherein: the cylinder body (21) is connected with a water inlet pipe (7), and a water outlet of the water inlet pipe is communicated with the inner side of the upper part of the cylinder body (21); a mixing mechanism (23) is arranged in the cylinder body (21); the upper part of the mixing mechanism (23) is provided with a rotating paddle (231); the delivery port of inlet tube (7), the liquid outlet of first transfer line (4) all are located and rotate paddle (231) top, the delivery port of inlet tube (7), the liquid outlet of first transfer line (4) are respectively towards rotating paddle (231) direction of rotation.
3. The alkaline water recovery system of claim 2, wherein: the mixing mechanism (23) comprises a stirring shaft (232), and the rotating blade (231) is fixedly arranged at the upper part of the stirring shaft (232); the stirring shaft (232) is sleeved on the top wall of the cylinder body (21); the axial length of the stirring shaft (232) is not less than half of the height of the interior of the cylinder body (21).
4. The alkaline water recovery system of claim 3, wherein: a plurality of blades (233) are uniformly arranged on the side wall of the stirring shaft (232), and the blades (233) are positioned below the rotating blades (231); the area of each of the vanes 233 is smaller than the area of the rotary blade 231.
5. The alkaline water recovery system of claim 1, wherein: the temperature adjusting mechanism (22) comprises a temperature control component (221) and a ring pipe (222); the ring pipe (222) is sleeved on the side wall of the cylinder body (21) in a sleeving manner; the temperature control assembly (221) is arranged between the inlet and the outlet of the ring pipe (222); temperature adjusting media are filled in the ring pipe (222) and the temperature control component (221); the temperature control medium can be a fluid such as water, gas or oil.
6. The alkaline water recovery system of claim 5, wherein: the inlet of the ring pipe (222) is positioned below the cylinder body (21), and the outlet of the ring pipe (222) is positioned above the cylinder body (21); the temperature of the inlet of the loop pipe (222) is lower than the temperature of the outlet of the loop pipe (222); the temperature-regulating medium enters the inlet of the loop pipe (222) from the temperature-regulating assembly (221) and enters the temperature-regulating assembly (221) from the outlet of the loop pipe (222).
7. The alkaline water recovery system of claim 1, wherein: the second infusion tube (5) is provided with a PH value detection mechanism (51).
8. The alkaline water recovery system of claim 7, wherein: the pH detection mechanism (51) includes a pH sensor (511).
9. The alkaline water recovery system of claim 1, wherein: the first infusion tube (4) and the second infusion tube (5) are provided with liquid feeding pumps (6).
CN202021772955.6U 2020-08-22 2020-08-22 Alkaline water recovery system Active CN213037602U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021772955.6U CN213037602U (en) 2020-08-22 2020-08-22 Alkaline water recovery system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021772955.6U CN213037602U (en) 2020-08-22 2020-08-22 Alkaline water recovery system

Publications (1)

Publication Number Publication Date
CN213037602U true CN213037602U (en) 2021-04-23

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ID=75532507

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021772955.6U Active CN213037602U (en) 2020-08-22 2020-08-22 Alkaline water recovery system

Country Status (1)

Country Link
CN (1) CN213037602U (en)

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