CN214681765U - Mixed bed regeneration drainage system - Google Patents
Mixed bed regeneration drainage system Download PDFInfo
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- CN214681765U CN214681765U CN202120894388.XU CN202120894388U CN214681765U CN 214681765 U CN214681765 U CN 214681765U CN 202120894388 U CN202120894388 U CN 202120894388U CN 214681765 U CN214681765 U CN 214681765U
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Abstract
The utility model belongs to the technical field of demineralized water equipment and specifically relates to a mix bed regeneration flowing back system is related to, its exchange section of thick bamboo that includes vertical setting, the exchange section of thick bamboo is equipped with the flowing back subassembly outward, the flowing back subassembly include a plurality of respectively with the flowing back branch pipe of an exchange section of thick bamboo intercommunication, a plurality of flowing back branch pipe distributes in the lateral wall circumference of an exchange section of thick bamboo, a plurality of flowing back branch pipe and the intercommunication department of an exchange section of thick bamboo are located same height, the exchange section of thick bamboo is equipped with the flowing back house steward outward, and the one end that an exchange section of thick bamboo was kept away from to a plurality of flowing back branch pipe all communicates on the flowing back house steward. This application has the advantage that improves the flowing back degree of consistency.
Description
Technical Field
The application relates to the field of demineralized water equipment, in particular to a mixed bed regeneration drainage system.
Background
The desalted water is finished water obtained by removing impurities in water such as suspended matters, colloid, inorganic cations, anions and the like by various water treatment processes. The mixed bed is the last control procedure of the process of the demineralized water system, and can remove various anions and cations in water, thereby improving the water quality of raw water.
After the mixed bed is operated for a period, the exchange of resin is saturated, and the anion and cation resin needs to be regenerated. The regeneration work is one of the important steps of the mixed bed operation, and the regeneration mainly comprises the steps of respectively flushing cation resin and anion resin by using acid and alkali with proper concentrations at specified flow rates, and removing anions and cations adsorbed on the resin after flushing for a certain time so as to achieve the purpose of recycling the mixed bed.
A demineralized water mixes bed system among the correlation technique, including an exchange section of thick bamboo, the top intercommunication of an exchange section of thick bamboo has the raw water inlet tube, the bottom intercommunication has the demineralized water outlet pipe, the bottom of an exchange section of thick bamboo still communicates has regeneration acid-base feed liquor pipe, still communicate regeneration waste liquid drain pipe on the lateral wall of an exchange section of thick bamboo, it has positive resin and negative resin to fill in an exchange section of thick bamboo, demineralized water outlet pipe, regeneration acid-base feed liquor pipe, regeneration waste liquid drain pipe and the intercommunication punishment of an exchange section of thick bamboo are provided with porous water leakage board respectively simultaneously, the effect of porous water leakage board is in order to reduce the possibility that the cloudy resin in the exchange section of thick bamboo flows out an exchange section of thick bamboo.
In view of the above-mentioned related technologies, the inventor believes that only one regenerated waste liquid outlet pipe is communicated with the side wall of the exchange cylinder, so that the waste liquid near the communication position of the regenerated waste liquid outlet pipe and the exchange cylinder is often discharged first, and the waste liquid is distributed in a gradient manner at the top of the regenerated acid-base liquid in the exchange cylinder, which causes uneven discharge of the waste liquid, affects the regeneration effect of the acid-base liquid on the anion-cation resin, and has obvious disadvantages.
SUMMERY OF THE UTILITY MODEL
In order to improve the uneven problem of waste liquid discharge, the application provides a mix bed regeneration flowing back system.
The application provides a mix bed regeneration flowing back system adopts following technical scheme:
the utility model provides a mix bed regeneration flowing back system, includes the exchange section of thick bamboo of vertical setting, the exchange section of thick bamboo is equipped with the flowing back subassembly outward, the flowing back subassembly includes the flowing back branch pipe of a plurality of respectively with the intercommunication of an exchange section of thick bamboo, and a plurality of flowing back branch pipe distributes in the lateral wall circumference of an exchange section of thick bamboo, and a plurality of flowing back branch pipe is located same height with the intercommunication department of an exchange section of thick bamboo, the exchange section of thick bamboo is equipped with the flowing back house steward outward, and the one end that an exchange section of thick bamboo was kept away from to a plurality of flowing back branch pipe all communicates on the flowing back house steward.
Through adopting above-mentioned technical scheme, because a plurality of flowing back branch pipe of flowing back subassembly is located same height with the intercommunication department of an exchange section of thick bamboo, consequently when the liquid flowing back in an exchange section of thick bamboo, the liquid level of same height can realize flowing back simultaneously through a plurality of flowing back branch pipe to this is favorable to realizing even flowing back. This application is located same height through the intercommunication department of a plurality of flowing back branch pipe and an exchange section of thick bamboo, has realized even flowing back.
Optionally, the liquid discharge assembly is provided with a plurality of groups along the axial direction of the exchange cylinder.
Through adopting above-mentioned technical scheme, flowing back subassembly sets up to have a plurality of groups and is favorable to improving flowing back efficiency to the time that negative and positive resin regeneration work consumed has been shortened.
Optionally, the plurality of liquid discharge branch pipes in the same group are circumferentially and uniformly distributed around the axis of the exchange cylinder.
By adopting the technical scheme, the circumferential uniform distribution is favorable for improving the uniformity of liquid drainage at the same height.
Optionally, the lowermost drainage assembly is adjacent to the bottom wall of the exchange cartridge cavity.
By adopting the technical scheme, the liquid discharging completeness in the exchange cylinder is favorably improved, and the residual quantity of the liquid at the bottom of the inner cavity of the exchange cylinder during liquid discharging of the exchange cylinder is reduced.
Optionally, a plurality of liquid discharge branch pipes of a plurality of liquid discharge assemblies are arranged in a staggered manner.
Through adopting above-mentioned technical scheme, the setting of staggering is favorable to making things convenient for arranging of a plurality of groups flowing back subassembly outside the exchange cylinder, has reduced when a plurality of flowing back branch pipe of a plurality of groups flowing back subassembly arranges too concentrated, arranges chaotic possibility.
Optionally, one end of the liquid discharge main pipe is provided with an acid discharge assembly, and the other end of the liquid discharge main pipe is provided with an alkali discharge assembly;
the acid discharge assembly comprises a first three-way valve, wherein the inlet end of the first three-way valve is communicated with one end of a liquid discharge main pipe, one outlet end of the first three-way valve is communicated with a concentrated acid liquid discharge pipe, the other outlet end of the first three-way valve is communicated with a waste acid liquid discharge pipe, and one ends of the concentrated acid liquid discharge pipe and the waste acid liquid discharge pipe, which are far away from the first three-way valve, are respectively communicated with a first liquid storage tank;
the alkali discharge assembly comprises a second three-way valve, the inlet end of the second three-way valve is communicated with the other end of the liquid discharge main pipe, one outlet end of the second three-way valve is communicated with a concentrated alkali liquid discharge pipe, the other outlet end of the second three-way valve is communicated with a waste alkali liquid discharge pipe, and one ends, far away from the second three-way valve, of the concentrated alkali liquid discharge pipe and the waste alkali liquid discharge pipe are respectively communicated with a second liquid storage tank.
Through adopting above-mentioned technical scheme, set up flowing back subassembly and arrange the alkali subassembly to this can realize separately discharging regenerated acidic liquid and alkaline liquid, is favorable to realizing the classification to the liquid of discharging.
Optionally, a PH sensor is arranged in the exchange cylinder, and a display electrically connected with the PH sensor is arranged outside the exchange cylinder.
By adopting the technical scheme, the PH sensor can detect the pH value in the exchange cylinder in real time and display the detected pH value on the display, so that an operator can smoothly carry out regeneration work according to the pH value.
Optionally, the drainage main pipe is located below the exchange cylinder, the drainage main pipe is wrapped by an annular ring, the annular ring and the exchange cylinder are coaxially arranged, the annular ring is communicated with two straight pipes, and the two straight pipes are symmetrically arranged about any plane where the axis of the annular ring is located.
Through adopting above-mentioned technical scheme, set up ring pipe and straight tube to this is favorable to the intercommunication with a plurality of flowing back branch pipe and flowing back house steward.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the liquid discharging device realizes uniform liquid discharging by the fact that the communicated positions of the liquid discharging branch pipes and the exchange cylinder are located at the same height;
2. the liquid discharge assembly and the alkali discharge assembly are arranged, so that the regenerated acidic liquid and the regenerated alkaline liquid can be separately discharged, and classification treatment of the discharged liquid is favorably realized;
and 3, the PH sensor can detect the pH value in the exchange cylinder in real time and display the detected pH value on a display, so that an operator can smoothly carry out regeneration work according to the pH value.
Drawings
FIG. 1 is a schematic block diagram for embodying embodiments of the present application;
fig. 2 is a schematic structural diagram of an exchange cartridge for embodying an embodiment of the present application.
Description of reference numerals: 1. an exchange cylinder; 2. a raw water inlet pipe; 3. regenerating an acid-base liquid inlet pipe; 4. a demineralized water outlet pipe; 5. a liquid discharge branch pipe; 61. a ring pipe; 62. a straight pipe; 70. a first three-way valve; 71. a concentrated acid liquid discharge pipe; 72. a waste acid drain pipe; 73. a first liquid storage tank; 80. a second three-way valve; 81. a concentrated alkali liquid discharge pipe; 82. a waste alkali liquid discharge pipe; 83. a second liquid storage tank; 9. a pH sensor; 10. a display; 11. a supporting foot.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses a mixed bed regeneration drainage system. Referring to fig. 1 and 2, the mixed bed regeneration drainage system comprises a vertically arranged exchange cylinder 1, and four vertically arranged supporting legs 11 are fixedly connected to the bottom end of the exchange cylinder 1. The top end of the exchange cylinder 1 is communicated with a raw water inlet pipe 2, and the bottom end is communicated with a desalted water outlet pipe 4 and a regenerated acid-base liquid inlet pipe 3.
Referring to fig. 1 and 2, a liquid discharge assembly is arranged outside the exchange cylinder 1 and comprises a plurality of liquid discharge branch pipes 5 respectively communicated with the exchange cylinder 1, the plurality of liquid discharge branch pipes 5 are circumferentially distributed on the outer side wall of the exchange cylinder 1, and the communication positions of the plurality of liquid discharge branch pipes 5 and the exchange cylinder 1 are located at the same height.
Referring to fig. 1 and 2, during regeneration, concentrated acid is firstly introduced into the exchange cylinder 1, the concentrated acid is discharged through the plurality of liquid discharge branch pipes 5, then raw water is continuously introduced into the exchange cylinder 1 through the raw water inlet pipe 2 to clean the anion and cation resin, and waste acid generated during cleaning is also discharged from the liquid discharge branch pipes 5.
Referring to fig. 1 and 2, concentrated alkali is introduced into the exchange cylinder 1, the concentrated alkali is discharged through a plurality of liquid discharge branch pipes 5, raw water is continuously introduced into the exchange cylinder 1 through a raw water inlet pipe 2 to clean the anion and cation resins, and waste alkali generated during cleaning is also discharged from the liquid discharge branch pipes 5.
Referring to fig. 1 and 2, since the plurality of liquid discharge branch pipes 5 are arranged and the communication positions with the exchange cylinder 1 are at the same height, the liquid at the same height in the exchange cylinder 1 can be discharged simultaneously through the plurality of liquid discharge branch pipes 5, which is beneficial to improving the uniformity of the liquid in the exchange cylinder 1 during discharge.
Referring to fig. 1 and 2, a PH sensor 9 is arranged in the exchange cylinder 1, a display 10 electrically connected with the PH sensor 9 is arranged outside the exchange cylinder 1, the PH sensor 9 can detect the PH of the liquid in the exchange cylinder 1 and display the detected PH through the display 10, and an operator can smoothly perform regeneration according to the PH displayed by the display 10.
Referring to fig. 1, the plurality of liquid discharge branch pipes 5 are uniformly distributed around the axis of the exchange cylinder 1 in the circumferential direction, and the uniform distribution is beneficial to further improving the uniformity of liquid discharge in the exchange cylinder 1.
Referring to fig. 1, the liquid discharge assembly is provided with a plurality of groups along the axial direction of the exchange cylinder 1, and the liquid discharge assembly is provided with a plurality of groups, so that liquid in the exchange cylinder 1 is layered, layered liquid discharge of the liquid in the exchange cylinder 1 is facilitated, and liquid discharge efficiency is improved.
Referring to fig. 1, the liquid discharge component at the lowest part is close to the bottom wall of the inner cavity of the exchange cylinder 1, so that the acid and alkali liquid introduced into the exchange cylinder 1 can be discharged more fully, and the residual quantity of the acid and alkali liquid at the bottom of the inner cavity of the exchange cylinder 1 is reduced.
Referring to fig. 1, a plurality of flowing back branch pipe 5 of a plurality of flowing back subassembly sets up staggeredly, and the setting of staggering is favorable to making things convenient for arranging of a plurality of groups of flowing back subassembly outside exchange section of thick bamboo 1, has reduced a plurality of flowing back branch pipe 5 of a plurality of groups of flowing back subassembly and has arranged too concentrated when arranging, arranges chaotic possibility.
Referring to fig. 1, a liquid discharge main pipe is arranged outside the exchange cylinder 1 and is positioned below the exchange cylinder 1. The drain main comprises an annular pipe 61 which is arranged in a circular ring mode, the annular pipe 61 and the exchange cylinder 1 are coaxially arranged, and one ends, far away from the exchange cylinder 1, of a plurality of drain branch pipes 5 of a plurality of groups of drain assemblies are all communicated on the drain main.
Referring to fig. 1, two straight pipes 62 are connected to the circular pipe 61, the straight pipes 62 and the circular pipe 61 are located in the same horizontal plane, the straight pipes 62 point to the axis of the circular pipe 61, and the two straight pipes 62 are symmetrically arranged about any plane where the axis of the circular pipe 61 is located. One straight tube 62 is communicated with an acid discharge assembly, and the other straight tube 62 is communicated with an alkali discharge assembly.
Referring to fig. 1, when acidic liquid is introduced into the exchange tube 1, the acidic liquid flows into the loop pipe 61 through the liquid discharge branch pipe 5, and then is discharged through the acid discharge assembly. When alkaline liquid is introduced into the exchange cylinder 1, the alkaline liquid flows into the ring pipe 61 through the liquid discharge branch pipe 5, and then the alkali discharge is realized through the alkali discharge assembly, so that the classified discharge of regenerated practical acid and alkali liquid is realized.
Referring to fig. 1, the acid discharging assembly includes a first three-way valve 70 having an inlet end communicated with one end of a straight pipe 62 away from the loop 61, one outlet end of the first three-way valve 70 is communicated with a concentrated acid liquid discharging pipe 71, the other outlet end is communicated with a waste acid liquid discharging pipe 72, and ends of the concentrated acid liquid discharging pipe 71 and the waste acid liquid discharging pipe 72 far away from the first three-way valve 70 are respectively communicated with a first liquid storage tank 73.
Referring to fig. 1, when concentrated acid is discharged from the loop 61, the straight pipe 62 is communicated with a concentrated acid drain pipe 71 through a first three-way valve 70, and when waste acid mixed with raw water is discharged from the loop 61, the straight pipe 62 is communicated with a waste acid drain pipe 72 through the first three-way valve 70, and the concentrated acid and the waste acid are respectively discharged into corresponding first liquid storage tanks 73, thereby realizing the classified discharge of the concentrated acid and the waste acid.
Referring to fig. 1, the alkali discharging component comprises a second three-way valve 80 with an inlet end communicated with one end of the other straight pipe 62 far away from the loop 61, one outlet end of the second three-way valve 80 is communicated with a concentrated alkali liquid discharging pipe 81, the other outlet end is communicated with a waste alkali liquid discharging pipe 82, and one ends of the concentrated alkali liquid discharging pipe 81 and the waste alkali liquid discharging pipe 82 far away from the second three-way valve 80 are respectively communicated with a second liquid storage tank 83.
Referring to fig. 1, when concentrated alkali is discharged from the loop 61, the straight pipe 62 is communicated with a concentrated alkali discharge pipe 81 through a first three-way valve 70, and when waste alkali mixed with raw water is discharged from the loop 61, the straight pipe 62 is communicated with a waste alkali discharge pipe 82 through the first three-way valve 70, and the concentrated alkali and the waste alkali are respectively discharged into corresponding second liquid storage tanks 83, so that the classified discharge of the concentrated alkali and the waste alkali is realized.
Referring to fig. 1, the second three-way valve 80 is in a closed state when the acidic liquid is discharged from the exchange tube 1, and the first three-way valve 70 is in a closed state when the basic liquid is discharged from the exchange tube 1.
Referring to fig. 1, in order to ensure the anion and cation cleaning effect of the exchange tube 1, when raw water is introduced into the exchange tube 1 to clean the anion and cation resins, the first three-way valve 70 and the second three-way valve 80 may be closed first, and when the liquid level in the exchange tube 1 is higher than the uppermost drainage component, the first three-way valve 70 or the second three-way valve 80 may be opened to drain the liquid.
The implementation principle of a mixed bed regeneration drainage system of the embodiment of the application is as follows:
when the exchange cylinder 1 works normally, the first three-way pipe and the second three-way pipe are both in a closed state.
When the exchange cylinder 1 is in regeneration operation, the second three-way pipe is in a closed state, acid liquid is firstly introduced into the exchange cylinder 1 through the regenerated acid-base liquid inlet pipe 3, after the liquid level of concentrated acid in the exchange cylinder 1 is higher than the liquid drainage component at the highest position, the ring pipe 61 is communicated with the concentrated acid liquid drainage pipe 71 through the first three-way valve 70, after one end of regeneration, concentrated acid is stopped to be introduced, the concentrated acid in the exchange cylinder 1 is discharged into the ring pipe 61 through a plurality of groups of liquid drainage components, and then the concentrated acid is introduced into the corresponding first liquid storage tank 73 through the straight pipe 62 and the concentrated acid liquid drainage pipe 71. Then raw water is introduced into the exchange cylinder 1 through the raw water inlet pipe 2 to flush the cation-anion resin, at the moment, the ring pipe 61 is communicated with the waste acid liquid discharge pipe 72, and waste acid formed by flushing is discharged into the corresponding first liquid storage tank 73 through the waste acid liquid discharge pipe 72. When the PH sensor 9 in the exchange tube 1 detects that the liquid in the exchange tube 1 is neutral, the flushing of the raw water is stopped, and the first three-way valve 70 is closed after the raw water is discharged.
The method comprises the steps of firstly introducing alkaline liquid into an exchange cylinder 1 through a regenerated acid-base liquid inlet pipe 3, opening a second three-way valve 80 after the liquid level of concentrated alkali in the exchange cylinder 1 is higher than a liquid drainage component at the highest position, enabling an annular pipe 61 to be communicated with a concentrated alkali liquid drainage pipe 81 through the second three-way valve 80, stopping introducing the concentrated alkali after one end of regeneration is finished, discharging the concentrated alkali in the exchange cylinder 1 into the annular pipe 61 through a plurality of groups of liquid drainage components, and then introducing the concentrated alkali into a corresponding second liquid storage tank 83 through another straight pipe 62 and the concentrated alkali liquid drainage pipe 81. Then raw water is introduced into the exchange cylinder 1 through the raw water inlet pipe 2 to flush the anion-cation resin, at the moment, the ring pipe 61 is communicated with the waste alkali liquid discharge pipe 82, the waste alkali formed by flushing is discharged into the corresponding second liquid storage tank 83 through the waste alkali liquid discharge pipe 82, and the anion-cation resin regeneration work is realized through the mode, when liquid in the exchange cylinder 1 is discharged in the regeneration process, as the communicated parts of the plurality of liquid discharge branch pipes 5 in the same group and the exchange cylinder 1 are highly communicated, the liquid at the same height is uniformly discharged.
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 (8)
1. The utility model provides a mix bed regeneration flowing back system which characterized in that: exchange section of thick bamboo (1) including vertical setting, exchange section of thick bamboo (1) is equipped with the flowing back subassembly outward, the flowing back subassembly includes a plurality of respectively with flowing back branch pipe (5) of exchange section of thick bamboo (1) intercommunication, a plurality of flowing back branch pipe (5) are in the lateral wall circumference distribution of exchange section of thick bamboo (1), a plurality of flowing back branch pipe (5) and the intercommunication department of exchange section of thick bamboo (1) are located same height, exchange section of thick bamboo (1) is equipped with the drainage house steward outward, and the one end that exchange section of thick bamboo (1) was kept away from in a plurality of drainage branch pipe (5) all communicates on the drainage house steward.
2. The mixed bed regenerative drainage system of claim 1, wherein: the liquid discharge assembly is provided with a plurality of groups along the axial direction of the exchange cylinder (1).
3. The mixed bed regenerative drainage system of claim 1, wherein: the liquid discharge branch pipes (5) in the same group are uniformly distributed around the axial line of the exchange cylinder (1) in the circumferential direction.
4. The mixed bed regenerative drainage system of claim 1, wherein: the lowest liquid discharge component is close to the bottom wall of the inner cavity of the exchange cylinder (1).
5. The mixed bed regenerative drainage system of claim 1, wherein: a plurality of liquid discharge branch pipes (5) of a plurality of liquid discharge components are arranged in a staggered manner.
6. The mixed bed regenerative drainage system of claim 1, wherein: one end of the liquid discharge main pipe is provided with an acid discharge assembly, and the other end of the liquid discharge main pipe is provided with an alkali discharge assembly;
the acid discharge assembly comprises a first three-way valve (70) with an inlet end communicated with one end of a liquid discharge main pipe, one outlet end of the first three-way valve (70) is communicated with a concentrated acid liquid discharge pipe (71), the other outlet end of the first three-way valve is communicated with a waste acid liquid discharge pipe (72), and one ends, far away from the first three-way valve (70), of the concentrated acid liquid discharge pipe (71) and the waste acid liquid discharge pipe (72) are respectively communicated with a first liquid storage tank (73);
the alkali discharge assembly comprises a second three-way valve (80) with an inlet end communicated with the other end of the liquid discharge main pipe, one outlet end of the second three-way valve (80) is communicated with a concentrated alkali liquid discharge pipe (81), the other outlet end of the second three-way valve is communicated with a waste alkali liquid discharge pipe (82), and one ends, far away from the second three-way valve (80), of the concentrated alkali liquid discharge pipe (81) and the waste alkali liquid discharge pipe (82) are respectively communicated with a second liquid storage tank (83).
7. The mixed bed regenerative drainage system of claim 1, wherein: a PH sensor (9) is arranged in the exchange cylinder (1), and a display (10) electrically connected with the PH sensor (9) is arranged outside the exchange cylinder (1).
8. The mixed bed regenerative drainage system of claim 6, wherein: the liquid drainage main pipe is located below the exchange cylinder (1), the liquid drainage main pipe is wrapped and exchanged by an annular pipe (61) which is arranged in a circular ring mode, the annular pipe (61) and the exchange cylinder (1) are arranged coaxially, the annular pipe (61) is communicated with two straight pipes (62), and the two straight pipes (62) are symmetrically arranged relative to any plane where the axis of the annular pipe (61) is located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120894388.XU CN214681765U (en) | 2021-04-26 | 2021-04-26 | Mixed bed regeneration drainage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120894388.XU CN214681765U (en) | 2021-04-26 | 2021-04-26 | Mixed bed regeneration drainage system |
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| Publication Number | Publication Date |
|---|---|
| CN214681765U true CN214681765U (en) | 2021-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120894388.XU Active CN214681765U (en) | 2021-04-26 | 2021-04-26 | Mixed bed regeneration drainage system |
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| CN (1) | CN214681765U (en) |
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2021
- 2021-04-26 CN CN202120894388.XU patent/CN214681765U/en active Active
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