CN113952989A - Compact acid-base metering system with emergency function and application method - Google Patents
Compact acid-base metering system with emergency function and application method Download PDFInfo
- Publication number
- CN113952989A CN113952989A CN202111321743.5A CN202111321743A CN113952989A CN 113952989 A CN113952989 A CN 113952989A CN 202111321743 A CN202111321743 A CN 202111321743A CN 113952989 A CN113952989 A CN 113952989A
- Authority
- CN
- China
- Prior art keywords
- acid
- storage tank
- alkali
- temporary storage
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000002253 acid Substances 0.000 claims abstract description 248
- 239000007788 liquid Substances 0.000 claims abstract description 44
- 239000003513 alkali Substances 0.000 claims description 203
- 239000002585 base Substances 0.000 claims description 100
- 239000011347 resin Substances 0.000 claims description 26
- 229920005989 resin Polymers 0.000 claims description 26
- 238000012423 maintenance Methods 0.000 claims description 11
- 230000008929 regeneration Effects 0.000 claims description 8
- 238000011069 regeneration method Methods 0.000 claims description 8
- 150000001768 cations Chemical class 0.000 claims description 6
- 150000001450 anions Chemical class 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 239000010865 sewage Substances 0.000 description 11
- 229910000975 Carbon steel Inorganic materials 0.000 description 5
- 239000010962 carbon steel Substances 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000003456 ion exchange resin Substances 0.000 description 2
- 229920003303 ion-exchange polymer Polymers 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000003957 anion exchange resin Substances 0.000 description 1
- 239000003729 cation exchange resin Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J49/00—Regeneration or reactivation of ion-exchangers; Apparatus therefor
- B01J49/60—Cleaning or rinsing ion-exchange beds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J49/00—Regeneration or reactivation of ion-exchangers; Apparatus therefor
- B01J49/80—Automatic regeneration
- B01J49/85—Controlling or regulating devices therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
A compact acid-base metering system with an emergency function and an application method. The conventional acid-base metering system has the disadvantages of large equipment dosage, large occupied area, low use efficiency and easy safety problem in the storage and use processes. The invention comprises the following steps: the acid storage tank (1) is characterized in that the bottom of the acid storage tank is sequentially connected with an acid storage tank acid outlet manual valve A (8) and an acid storage tank acid outlet manual valve B (9) respectively connected with an acid pipeline blowdown pneumatic valve (11), an acid-base temporary storage tank acid liquid inlet pneumatic valve (13) and an acid metering pump inlet pneumatic valve (12), the acid-base temporary storage tank acid liquid inlet pneumatic valve is connected with an acid-base public tee joint (28) through a check valve (31), the acid-base public tee joint is respectively connected with an acid-base temporary storage tank (3) and the check valve, and the bottom of the acid-base temporary storage tank is sequentially connected with an acid-base temporary storage tank outlet manual valve (25) and an acid-base temporary storage tank outlet pneumatic valve (29) and the acid-base public tee joint. The invention is used for the compact acid-base metering system with the emergency function.
Description
Technical Field
The invention relates to a compact acid-base metering system with an emergency function and an application method thereof.
Background
At present, ion exchange resin in the prior art generally adopts acid and alkali to regenerate, cation exchange resin can adopt hydrochloric acid or sulfuric acid to regenerate, anion exchange resin adopts sodium hydroxide to regenerate, correspondingly, need to be equipped with acid-base metering system, conventional acid-base metering system is equipped with 2 sour holding vessel, 2 alkali holding vessel, 1 sour batch meter and 1 alkali batch meter, conventional acid-base metering system capacity is designed oversize, the equipment consumption is many, large floor area, use efficiency is not high, and acid-base belongs to dangerous goods, produce safety problem easily in storing and use. The smaller the number of equipment, the fewer the danger points, and the less the possibility of a safety accident.
Therefore, the configuration of the acid-base metering system is simplified, and the compact acid-base metering system with the emergency function is provided on the premise of meeting the daily regeneration requirement and the maintenance requirement, so that the occupied area can be reduced, the engineering investment can be reduced, and the workload of operation management and maintenance can be reduced.
Disclosure of Invention
The invention aims to provide a compact acid-base metering system with an emergency function, which can realize the supply of regenerated acid or alkali liquor, provide sufficient time for maintenance, reduce the number of devices, occupy small area and facilitate operation, maintenance and overhaul.
The above purpose is realized by the following technical scheme:
the utility model provides a compact acid-base measurement system with emergent function, its constitution includes: the bottom of the acid storage tank is sequentially connected with an acid storage tank acid outlet manual valve A and an acid storage tank acid outlet manual valve B respectively through an acid storage tank acid outlet manual valve A and an acid storage tank acid outlet manual valve B, the acid storage tank acid outlet manual valve B is connected with an acid pipeline sewage discharge pneumatic valve, an acid-base temporary storage tank acid liquid inlet pneumatic valve and an acid metering pump inlet pneumatic valve respectively, the acid-base temporary storage tank acid liquid inlet pneumatic valve is connected with an acid-base public tee through a check valve respectively, the acid-base public tee is connected with an acid-base temporary storage tank and the check valve respectively, the bottom of the acid-base temporary storage tank is sequentially connected with an acid-base temporary storage tank outlet manual valve A and an acid-base temporary storage tank outlet manual valve A through an acid-base temporary storage tank outlet manual valve and an acid-base temporary storage tank outlet manual valve B through an acid-base temporary storage tank acid manual valve A and an acid metering pump outlet manual valve B, the acid-base public tee is connected with the acid storage tank acid temporary storage tank inlet pneumatic valve and the check valve respectively, the acid temporary storage tank acid-base temporary storage tank acid temporary storage tank inlet manual valve B and the acid temporary storage tank outlet manual valve B, the acid temporary storage tank inlet pneumatic valve B, the check valve B, the acid temporary storage tank manual valve B, the acid temporary storage tank manual valve B, the acid metering tank acid temporary storage tank acid outlet manual valve are connected with the check valve respectively, the acid temporary storage tank manual valve, the acid storage tank acid metering tank acid storage tank manual valve, the acid storage tank inlet pneumatic valve, the acid metering pump inlet pneumatic valve B, the acid storage tank manual valve B, the acid storage tank manual valve, the check valve B, the acid storage tank manual valve, the acid valve, the check valve, the acid storage tank manual valve, the check valve, the acid storage tank manual valve, and the manual valve B for alkali discharge of the alkali storage tank is connected, and the manual valve A for alkali discharge of the alkali storage tank is connected with the alkali storage tank.
The compact acid-base metering system with the emergency function is characterized in that liquid level meters are installed on the side surfaces of the acid storage tank, the base storage tank and the acid-base temporary storage tank, a moisture absorber is installed on the top of the acid storage tank, an acid storage tank acid inlet manual valve is installed on the top of the acid storage tank, an acid storage tank sewage discharge manual valve A and an acid storage tank sewage discharge manual valve B are sequentially installed on the bottom of the acid storage tank, an alkali storage tank alkali inlet manual valve and an alkali storage tank washing water inlet manual valve are respectively installed on the top of the base storage tank, an alkali storage tank sewage discharge manual valve A and an alkali storage tank sewage discharge manual valve B are sequentially installed on the bottom of the base storage tank, and an acid-base temporary storage tank sewage discharge manual valve is installed on the left side of the acid-base temporary storage tank.
The compact type acid-base metering system with the emergency function is characterized in that the check valve is sequentially connected with an alkali pipeline blowdown manual valve and an alkali pipeline blowdown pneumatic valve through an alkali liquor inlet pneumatic valve of an acid-base temporary storage box, and the acid pipeline blowdown pneumatic valve is connected with an acid pipeline blowdown pneumatic valve.
A compact acid-base metering system with an emergency function and an application method thereof are disclosed, wherein the method comprises the following steps:
(1) and (3) normal operation period:
the acid storage tank is normally open, the inlet pneumatic valve of the acid metering pump is opened for acid liquid supply when the cation resin is regenerated, the alkali storage tank is normally open, and the inlet pneumatic valve of the alkali metering pump is opened for alkali liquid supply when the anion resin is regenerated;
(2) maintenance period or failure period:
A. opening a pneumatic valve at an acid and alkali temporary storage tank liquid inlet, closing the pneumatic valve at the acid and alkali temporary storage tank liquid inlet after the acid and alkali temporary storage tank is filled with acid liquid, opening a manual blowdown valve A of the acid storage tank and a manual blowdown valve B of the acid storage tank to discharge redundant acid liquid in the acid storage tank into a unit drainage tank, and overhauling after emptying; the manual valve at the outlet of the acid-base temporary storage tank is normally opened, at the moment, the pneumatic valve at the outlet of the acid-base temporary storage tank and the pneumatic valve at the inlet of the acid metering pump of the temporary acid outlet pipeline are opened for acid liquor supply by the regeneration of the male resin, and the female resin is regenerated according to the process in the normal operation period;
after the maintenance is finished, opening a manual blowdown valve of the acid-base temporary storage tank, emptying acid liquid of the acid-base temporary storage tank, closing the manual blowdown valve of the acid-base temporary storage tank after emptying, closing an outlet pneumatic valve of the acid-base temporary storage tank and an inlet pneumatic valve of an acid metering pump of a temporary acid outlet pipeline, and recovering the supply of the acid liquid in an acid storage tank;
B. opening an alkali liquor inlet pneumatic valve of an acid and alkali temporary storage tank, closing the alkali liquor inlet pneumatic valve of the acid and alkali temporary storage tank after the acid and alkali temporary storage tank is filled with alkali liquor, opening a blowdown manual valve A and a blowdown manual valve B of the alkali storage tank, discharging redundant alkali liquor in the alkali storage tank into a unit drainage tank, and overhauling after emptying; the manual valve at the outlet of the acid-base temporary storage tank is normally opened, at the moment, the negative resin is regenerated to open the pneumatic valve at the outlet of the acid-base temporary storage tank and the pneumatic valve at the inlet of the alkali metering pump of the temporary storage alkali outlet pipeline for supplying alkali liquor, and the positive resin is regenerated according to the process in the normal operation period;
after the overhaul is finished, the manual valve for draining the acid-base temporary storage tank is opened, the alkaline liquid in the acid-base temporary storage tank is drained, the manual valve for draining the acid-base temporary storage tank is closed after the draining is finished, the pneumatic valve for the outlet of the acid-base temporary storage tank and the pneumatic valve for the inlet of the alkaline metering pump of the temporary storage alkali pipeline are closed, and the supply of the alkaline liquid in the alkaline storage tank is recovered.
Has the advantages that:
1. the invention relates to a compact acid-base metering system with an emergency function, which aims to change the configuration of the existing acid-base metering system, has the advantages of less system equipment and small occupied area, can provide sufficient acid or alkali liquor for normal resin regeneration, can ensure the supply of the acid or alkali liquor when an acid or alkali storage tank fails, strives for sufficient time for the overhaul of the acid or alkali storage tank, and effectively ensures the safety and reliability of the equipment in the storage and use processes.
2. The invention can be applied to acid-base metering systems which are newly built and reconstructed in thermal power plants, chemical plants and the like for purifying water quality by using ion exchange resin.
3. The invention is provided with 1 acid storage tank, 1 alkali storage tank, 1 temporary acid-alkali storage tank and related auxiliary facilities, and the temporary acid-alkali storage tank and the matched equipment are used for acid-alkali public use, thereby saving the cost.
4. In the normal operation period of the invention, the acid (alkali) supply is carried out through PLC automatic control, and the method specifically comprises the following steps: (1) two manual valves of an acid outlet pipe of the acid storage tank are in a normally open state, when the cation resin is regenerated, only the pneumatic valve at the inlet of the acid metering pump is opened to supply acid liquor, and other automatic valves which are not mentioned in the system are in a closed state; (2) two manual valves of an alkali outlet pipe of the alkali storage tank are in a normally open state, when the negative resin is regenerated, only the pneumatic valve at the inlet of the alkali metering pump is opened to supply alkali liquor, and other automatic valves which are not mentioned in the system are in a closed state;
5. in the maintenance period or the failure period, the acid (alkali) is supplied by the automatic control of a PLC, and the method specifically comprises the following steps: (1) when the positive resin is regenerated, only the outlet pneumatic valve of the acid-base temporary storage tank and the inlet pneumatic valve of the acid metering pump of the temporary storage acid outlet pipeline are opened to supply the acid liquor, and other unreported automatic valves in the system are all in a closed state; the anion resin is regenerated according to a normal operation process, after the overhaul is finished, acid liquor in an acid-alkali temporary storage tank is emptied, an acid liquor inlet pneumatic valve of the acid-alkali temporary storage tank, an acid liquor outlet pneumatic valve of the acid-alkali temporary storage tank and an acid metering pump inlet pneumatic valve of a temporary storage acid outlet pipeline are closed, and the supply of the acid liquor in an acid storage tank is recovered; (2) when the negative resin is regenerated, only the outlet pneumatic valve of the acid-base temporary storage tank and the inlet pneumatic valve of the alkali metering pump of the temporary storage alkali outlet pipeline are opened to supply alkali liquor, and other automatic valves in the system are all in a closed state; and regenerating the cation resin according to a normal operation process, emptying the alkali liquor of the acid-alkali temporary storage tank after the overhaul is finished, closing an inlet pneumatic valve of the alkali liquor of the acid-alkali temporary storage tank, an outlet pneumatic valve of the acid-alkali temporary storage tank and an inlet pneumatic valve of the alkali metering pump of the temporary storage alkali outlet pipeline, and recovering the alkali liquor supply of the alkali storage tank.
Description of the drawings:
FIG. 1 is a schematic structural diagram of the present invention.
Wherein: 1. an acid storage tank, 2, an alkali storage tank, 3, an acid-alkali temporary storage tank, 4, an acid storage tank acid inlet manual valve, 5, a moisture absorber, 6, an acid storage tank blowdown manual valve A, 7, an acid storage tank blowdown manual valve B, 8, an acid storage tank acid outlet manual valve A, 9, an acid storage tank acid outlet manual valve B, 10, an acid pipeline blowdown pneumatic valve, 11, an acid pipeline blowdown manual valve, 12, an acid metering pump inlet pneumatic valve, 13, an acid-alkali temporary storage tank acid inlet pneumatic valve, 14, an alkali storage tank alkali inlet manual valve, 15, an alkali storage tank flush water inlet manual valve, 16, an alkali storage tank blowdown manual valve A, 17, an alkali storage tank blowdown manual valve B, 18, an alkali storage tank alkali outlet manual valve A, 19, an alkali storage tank alkali outlet manual valve B, 20, an alkali pipeline blowdown manual valve, 21, an alkali pipeline blowdown pneumatic valve, 22, an alkali inlet manual valve, 23, an acid-alkali temporary storage tank inlet pneumatic valve, 24. the acid and alkali temporary storage tank comprises an acid and alkali temporary storage tank blowdown manual valve, 25, an acid and alkali temporary storage tank outlet manual valve, 26, a temporary storage acid outlet pipeline acid metering pump inlet pneumatic valve, 27, a temporary storage alkali outlet pipeline alkali metering pump inlet pneumatic valve, 28, an acid and alkali common tee joint, 29, an acid and alkali temporary storage tank outlet pneumatic valve, 30, a liquid level meter, 31 and a check valve.
The specific implementation mode is as follows:
example 1:
the utility model provides a compact acid-base measurement system with emergent function, its constitution includes: the acid storage tank 1 is characterized in that the bottom of the acid storage tank is sequentially connected with an acid storage tank acid outlet manual valve A8 and an acid storage tank acid outlet manual valve B9 respectively, an acid pipeline blowdown pneumatic valve 11, an acid and alkali temporary storage tank acid inlet pneumatic valve 13 and an acid metering pump inlet pneumatic valve 12, the acid and alkali temporary storage tank acid inlet pneumatic valve is connected with an acid and alkali public tee 28 through a check valve 31, the acid and alkali public tee is respectively connected with an acid and alkali temporary storage tank 3 and the check valve, the bottom of the acid and alkali temporary storage tank is sequentially connected with an acid and alkali temporary storage tank outlet manual valve 25, an acid and alkali temporary storage tank outlet pneumatic valve 29 and the acid and alkali public tee, the acid and alkali public tee is respectively connected with a temporary acid and alkali outlet pipeline acid metering pump inlet pneumatic valve 26 and a temporary alkali metering pump inlet pneumatic valve 27, and the temporary alkali metering pump inlet pneumatic valve is sequentially connected with an alkali storage tank acid and alkali manual valve A18, an alkali metering pump inlet pneumatic valve B9, And an alkali outlet manual valve B19 is connected, and an alkali outlet manual valve A is connected with the alkali storage tank 2.
Example 2:
according to the compact acid-base metering system with emergency function of embodiment 1, the side surfaces of the acid storage tank, the base storage tank and the acid-base temporary storage tank are all provided with liquid level meters 30, the top parts of the acid storage tank, the base storage tank and the acid-base temporary storage tank are all provided with moisture absorbers 5, the top part of the acid storage tank is provided with an acid storage tank acid inlet manual valve, the bottom part of the acid storage tank is sequentially provided with an acid storage tank sewage discharge manual valve A6 and an acid storage tank sewage discharge manual valve B7, the top part of the base storage tank is respectively provided with a base storage tank alkali inlet manual valve 14 and a base storage tank washing water inlet manual valve 15, the bottom part of the base storage tank is sequentially provided with a base storage tank sewage discharge manual valve A16 and a base storage tank sewage discharge manual valve B17, and the left side of the acid-base temporary storage tank is provided with an acid-base sewage discharge manual valve 24.
Example 3:
according to the compact acid-base metering system with the emergency function in embodiment 1, the check valve is sequentially connected with the alkali pipeline blowdown manual valve 20 and the alkali pipeline blowdown pneumatic valve 21 through the acid-base temporary storage tank alkali liquor inlet pneumatic valve 23, and the acid pipeline blowdown pneumatic valve is connected with the acid pipeline blowdown pneumatic valve 10.
Example 4:
the application method of the compact acid-base metering system with the emergency function in the embodiment 1 comprises the following steps:
(1) and (3) normal operation period:
the acid storage tank is normally open, the inlet pneumatic valve of the acid metering pump is opened for acid liquid supply when the cation resin is regenerated, the alkali storage tank is normally open, and the inlet pneumatic valve of the alkali metering pump is opened for alkali liquid supply when the anion resin is regenerated;
(2) maintenance period or failure period:
A. opening a pneumatic valve at an acid and alkali temporary storage tank liquid inlet, closing the pneumatic valve at the acid and alkali temporary storage tank liquid inlet after the acid and alkali temporary storage tank is filled with acid liquid, opening a manual blowdown valve A of the acid storage tank and a manual blowdown valve B of the acid storage tank to discharge redundant acid liquid in the acid storage tank into a unit drainage tank, and overhauling after emptying; the manual valve at the outlet of the acid-base temporary storage tank is normally opened, at the moment, the pneumatic valve at the outlet of the acid-base temporary storage tank and the pneumatic valve at the inlet of the acid metering pump of the temporary acid outlet pipeline are opened for acid liquor supply by the regeneration of the male resin, and the female resin is regenerated according to the process in the normal operation period;
after the maintenance is finished, opening a manual blowdown valve of the acid-base temporary storage tank, emptying acid liquid of the acid-base temporary storage tank, closing the manual blowdown valve of the acid-base temporary storage tank after emptying, closing an outlet pneumatic valve of the acid-base temporary storage tank and an inlet pneumatic valve of an acid metering pump of a temporary acid outlet pipeline, and recovering the supply of the acid liquid in an acid storage tank;
B. opening an alkali liquor inlet pneumatic valve of an acid and alkali temporary storage tank, closing the alkali liquor inlet pneumatic valve of the acid and alkali temporary storage tank after the acid and alkali temporary storage tank is filled with alkali liquor, opening a blowdown manual valve A and a blowdown manual valve B of the alkali storage tank, discharging redundant alkali liquor in the alkali storage tank into a unit drainage tank, and overhauling after emptying; the manual valve at the outlet of the acid-base temporary storage tank is normally opened, at the moment, the negative resin is regenerated to open the pneumatic valve at the outlet of the acid-base temporary storage tank and the pneumatic valve at the inlet of the alkali metering pump of the temporary storage alkali outlet pipeline for supplying alkali liquor, and the positive resin is regenerated according to the process in the normal operation period;
after the overhaul is finished, the manual valve for draining the acid-base temporary storage tank is opened, the alkaline liquid in the acid-base temporary storage tank is drained, the manual valve for draining the acid-base temporary storage tank is closed after the draining is finished, the pneumatic valve for the outlet of the acid-base temporary storage tank and the pneumatic valve for the inlet of the alkaline metering pump of the temporary storage alkali pipeline are closed, and the supply of the alkaline liquid in the alkaline storage tank is recovered.
The structure of the acid-base temporary storage tank is specifically provided with 1 acid storage tank, 1 base storage tank, 1 acid-base temporary storage tank and related auxiliary facilities, wherein the acid-base temporary storage tank and matched equipment are used for acid-base public use;
when sulfuric acid is used for regeneration, the acid storage tank and the acid pipeline are made of carbon steel, the valve is made of a PTFE (polytetrafluoroethylene) lined diaphragm valve, the alkali storage tank and the alkali pipeline are made of carbon steel rubber lined diaphragm valves, the valve is made of a rubber lined diaphragm valve, and the acid and alkali temporary storage tank, the related public equipment and the acid (alkali) liquid inlet check valve of the acid and alkali temporary storage tank are made of carbon steel PTFE lined materials;
when hydrochloric acid is used for regeneration, the acid storage tank and the alkali storage tank are made of carbon steel lining rubber materials, valves are made of lining rubber diaphragm valves, and the acid-alkali temporary storage tank, related public equipment and an acid-alkali temporary storage tank acid (alkali) liquid inlet check valve are made of carbon steel lining PTFE materials;
an acid (alkali) liquid inlet check valve of the acid-alkali temporary storage tank is arranged close to an acid-alkali public tee joint, so that an acid-alkali mixing area is reduced as much as possible;
the acid and alkali temporary storage tank is vacant in the normal operation stage, the acid (alkali) storage tank is directly communicated with the acid (alkali) metering pump to respectively regenerate the cation (anion) resin, when the acid (alkali) storage tank breaks down and needs to be overhauled, the acid (alkali) liquid is put into the acid and alkali temporary storage tank for regeneration, redundant acid (alkali) liquid is discharged, and the acid (alkali) storage tank is overhauled.
Claims (4)
1. The utility model provides a compact acid-base measurement system with emergent function, its constitution includes: sour holding vessel, characterized by: the bottom of the acid storage tank is sequentially connected with an acid storage tank acid outlet manual valve A and an acid storage tank acid outlet manual valve B respectively, an acid pipeline blowdown pneumatic valve, an acid and alkali temporary storage tank acid liquid inlet pneumatic valve and an acid metering pump inlet pneumatic valve, the acid and alkali temporary storage tank acid liquid inlet pneumatic valve is connected with an acid and alkali public tee joint through a check valve, the acid and alkali public tee joint is respectively connected with an acid and alkali temporary storage tank and the check valve, the bottom of the acid and alkali temporary storage tank is sequentially connected with an acid and alkali temporary storage tank outlet manual valve and an acid and alkali temporary storage tank outlet pneumatic valve through an acid and alkali temporary storage tank outlet manual valve and an acid and alkali metering tank outlet manual valve A, an acid and alkali metering pump inlet pneumatic valve is sequentially connected with an acid and alkali storage tank acid and alkali metering pump inlet pneumatic valve through an alkali metering pump inlet pneumatic valve, And the manual valve B for alkali discharge of the alkali storage tank is connected, and the manual valve A for alkali discharge of the alkali storage tank is connected with the alkali storage tank.
2. The compact acid-base metering system with emergency function as claimed in claim 1, wherein: the acid storage tank, the alkali storage tank, the side of acid-alkali temporary storage box all installs the level gauge to all install the desiccator at its top, acid storage tank installs the acid storage tank and advances sour manual valve in the top, installs acid storage tank blowdown manual valve A, acid storage tank blowdown manual valve B in its bottom in proper order, alkali storage tank installs respectively at the alkali storage tank top and advances alkali manual valve, alkali storage tank sparge water entry manual valve, and alkali storage tank blowdown manual valve A, alkali storage tank blowdown manual valve B are installed in its bottom in proper order, acid-alkali temporary storage box blowdown manual valve is installed on the left side of the acid-alkali temporary storage box.
3. The compact acid-base metering system with emergency function as claimed in claim 2, wherein: the check valve is sequentially connected with an alkali pipeline blowdown manual valve and an alkali pipeline blowdown pneumatic valve through an alkali liquor inlet pneumatic valve of the acid-alkali temporary storage tank, and the acid pipeline blowdown pneumatic valve is connected with the acid pipeline blowdown pneumatic valve.
4. The compact acid-base metering system with emergency function and the application method thereof according to one of claims 1 to 3, wherein: the method comprises the following steps:
(1) and (3) normal operation period:
the acid storage tank is normally open, the inlet pneumatic valve of the acid metering pump is opened for acid liquid supply when the cation resin is regenerated, the alkali storage tank is normally open, and the inlet pneumatic valve of the alkali metering pump is opened for alkali liquid supply when the anion resin is regenerated;
(2) maintenance period or failure period:
A. opening a pneumatic valve at an acid and alkali temporary storage tank liquid inlet, closing the pneumatic valve at the acid and alkali temporary storage tank liquid inlet after the acid and alkali temporary storage tank is filled with acid liquid, opening a manual blowdown valve A of the acid storage tank and a manual blowdown valve B of the acid storage tank to discharge redundant acid liquid in the acid storage tank into a unit drainage tank, and overhauling after emptying; the manual valve at the outlet of the acid-base temporary storage tank is normally opened, at the moment, the pneumatic valve at the outlet of the acid-base temporary storage tank and the pneumatic valve at the inlet of the acid metering pump of the temporary acid outlet pipeline are opened for acid liquor supply by the regeneration of the male resin, and the female resin is regenerated according to the process in the normal operation period;
after the maintenance is finished, opening a manual blowdown valve of the acid-base temporary storage tank, emptying acid liquid of the acid-base temporary storage tank, closing the manual blowdown valve of the acid-base temporary storage tank after emptying, closing an outlet pneumatic valve of the acid-base temporary storage tank and an inlet pneumatic valve of an acid metering pump of a temporary acid outlet pipeline, and recovering the supply of the acid liquid in an acid storage tank;
B. opening an alkali liquor inlet pneumatic valve of an acid and alkali temporary storage tank, closing the alkali liquor inlet pneumatic valve of the acid and alkali temporary storage tank after the acid and alkali temporary storage tank is filled with alkali liquor, opening a blowdown manual valve A and a blowdown manual valve B of the alkali storage tank, discharging redundant alkali liquor in the alkali storage tank into a unit drainage tank, and overhauling after emptying; the manual valve at the outlet of the acid-base temporary storage tank is normally opened, at the moment, the negative resin is regenerated to open the pneumatic valve at the outlet of the acid-base temporary storage tank and the pneumatic valve at the inlet of the alkali metering pump of the temporary storage alkali outlet pipeline for supplying alkali liquor, and the positive resin is regenerated according to the process in the normal operation period;
after the overhaul is finished, the manual valve for draining the acid-base temporary storage tank is opened, the alkaline liquid in the acid-base temporary storage tank is drained, the manual valve for draining the acid-base temporary storage tank is closed after the draining is finished, the pneumatic valve for the outlet of the acid-base temporary storage tank and the pneumatic valve for the inlet of the alkaline metering pump of the temporary storage alkali pipeline are closed, and the supply of the alkaline liquid in the alkaline storage tank is recovered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111321743.5A CN113952989A (en) | 2021-11-09 | 2021-11-09 | Compact acid-base metering system with emergency function and application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111321743.5A CN113952989A (en) | 2021-11-09 | 2021-11-09 | Compact acid-base metering system with emergency function and application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113952989A true CN113952989A (en) | 2022-01-21 |
Family
ID=79469828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111321743.5A Pending CN113952989A (en) | 2021-11-09 | 2021-11-09 | Compact acid-base metering system with emergency function and application method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113952989A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2436509A1 (en) * | 1973-08-06 | 1975-02-27 | Inst Proiectari Tech | Moving bed ion exchange plant - in which resin is moved to another position on exhaustion for regeneration |
| DE2915263A1 (en) * | 1979-04-14 | 1980-10-16 | Euro Water Refining Company Gm | Ion exchanger regeneration solns. neutralisation - in common tank for acid and alkaline waste and pass-through neutraliser |
| JPH02242787A (en) * | 1989-03-14 | 1990-09-27 | Tokyo Tatsuno Co Ltd | Oil feeding equipment |
| US6334331B1 (en) * | 2000-06-01 | 2002-01-01 | Taiwan Semiconductor Manufacturing Company, Ltd | Uninterrupted sub-loop water cooling system equipped with buffer tank |
| CN101450331A (en) * | 2008-12-17 | 2009-06-10 | 牛继星 | Ion exchange resin regeneration technique capable of saving acid and alkali |
| CN202852423U (en) * | 2012-09-27 | 2013-04-03 | 鞍钢股份有限公司 | Acid liquor storage system convenient for tank switching operation |
| CN103803740A (en) * | 2012-11-13 | 2014-05-21 | 山东百龙创园生物科技有限公司 | Method for segmentally recycling acid and alkali wastewater generated in regeneration of ion exchange resin |
| CN205627581U (en) * | 2016-02-23 | 2016-10-12 | 大唐环境产业集团股份有限公司 | Alkaline solution who is applied to sulfur trioxide desorption carries metering device |
| CN109827644A (en) * | 2019-04-01 | 2019-05-31 | 攀钢集团攀枝花钢铁研究院有限公司 | The metering system and method for the pre- nitration mixture mine of continuous acidolysis |
| CN209155873U (en) * | 2018-11-09 | 2019-07-26 | 大唐湘潭发电有限责任公司 | Precision processing mixed bed is into acid-alkali regeneration system |
| CN209988290U (en) * | 2019-06-10 | 2020-01-24 | 广州银网贸易有限公司 | Emergency place strong acid and strong base waste liquid temporary storage box |
| CN214477356U (en) * | 2021-04-20 | 2021-10-22 | 绍兴中芯集成电路制造股份有限公司 | Fluid infusion device with recovery function |
| CN216063309U (en) * | 2021-11-09 | 2022-03-18 | 华能陇东能源有限责任公司 | Compact acid-base metering system with emergency function |
-
2021
- 2021-11-09 CN CN202111321743.5A patent/CN113952989A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2436509A1 (en) * | 1973-08-06 | 1975-02-27 | Inst Proiectari Tech | Moving bed ion exchange plant - in which resin is moved to another position on exhaustion for regeneration |
| DE2915263A1 (en) * | 1979-04-14 | 1980-10-16 | Euro Water Refining Company Gm | Ion exchanger regeneration solns. neutralisation - in common tank for acid and alkaline waste and pass-through neutraliser |
| JPH02242787A (en) * | 1989-03-14 | 1990-09-27 | Tokyo Tatsuno Co Ltd | Oil feeding equipment |
| US6334331B1 (en) * | 2000-06-01 | 2002-01-01 | Taiwan Semiconductor Manufacturing Company, Ltd | Uninterrupted sub-loop water cooling system equipped with buffer tank |
| CN101450331A (en) * | 2008-12-17 | 2009-06-10 | 牛继星 | Ion exchange resin regeneration technique capable of saving acid and alkali |
| CN202852423U (en) * | 2012-09-27 | 2013-04-03 | 鞍钢股份有限公司 | Acid liquor storage system convenient for tank switching operation |
| CN103803740A (en) * | 2012-11-13 | 2014-05-21 | 山东百龙创园生物科技有限公司 | Method for segmentally recycling acid and alkali wastewater generated in regeneration of ion exchange resin |
| CN205627581U (en) * | 2016-02-23 | 2016-10-12 | 大唐环境产业集团股份有限公司 | Alkaline solution who is applied to sulfur trioxide desorption carries metering device |
| CN209155873U (en) * | 2018-11-09 | 2019-07-26 | 大唐湘潭发电有限责任公司 | Precision processing mixed bed is into acid-alkali regeneration system |
| CN109827644A (en) * | 2019-04-01 | 2019-05-31 | 攀钢集团攀枝花钢铁研究院有限公司 | The metering system and method for the pre- nitration mixture mine of continuous acidolysis |
| CN209988290U (en) * | 2019-06-10 | 2020-01-24 | 广州银网贸易有限公司 | Emergency place strong acid and strong base waste liquid temporary storage box |
| CN214477356U (en) * | 2021-04-20 | 2021-10-22 | 绍兴中芯集成电路制造股份有限公司 | Fluid infusion device with recovery function |
| CN216063309U (en) * | 2021-11-09 | 2022-03-18 | 华能陇东能源有限责任公司 | Compact acid-base metering system with emergency function |
Non-Patent Citations (2)
| Title |
|---|
| 唐磊: "钻井废液随钻处理技术在苏北油区的应用", 《油气田环境保护》, vol. 26, no. 6, 31 December 2016 (2016-12-31), pages 15 - 19 * |
| 福建省环境应急与事故调查中心课题组编: "《福建省重点行业环境风险防范研究》", 30 April 2017, 中国环境出版社, pages: 258 - 259 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216063309U (en) | Compact acid-base metering system with emergency function | |
| CN106587426B (en) | Steam boiler feedwater system debugging method | |
| CN212770199U (en) | Reclaimed water recycling treatment equipment | |
| CN113952989A (en) | Compact acid-base metering system with emergency function and application method | |
| CN213803032U (en) | Renewable generator inner cooling water treatment device | |
| CN105903499B (en) | Ion exchange tower acid-alkali regeneration waste water reuse system and reuse method | |
| CN104743639A (en) | High-efficiency sodium ion exchanger | |
| CN204702542U (en) | A kind of full room fixed bed countercurrent regenerating ion exchanger | |
| CN110776165A (en) | Method and system for water replenishing treatment of heat supply network | |
| CN217756961U (en) | Circulation system is washed to second grade desalination ion exchanger cluster | |
| CN211688289U (en) | Device for removing impurity ions in lithium sulfate solution | |
| CN210752716U (en) | Automatic regenerating unit of online hydrogen conductivity meter resin | |
| CN212151869U (en) | Filtering and softening integrated industrial circulating water scale inhibition system | |
| CN204607646U (en) | Efficient Na-ion exchanger | |
| CN201807114U (en) | Alternate foam storage and proportioning device | |
| CN218378999U (en) | Acid liquor pouring device used during acid tank acid outlet primary valve leakage | |
| CN221132295U (en) | Device for controlling water level of internal regeneration mixed bed | |
| CN221296318U (en) | A ion exchange resin device for chemical industry waste water removes hard | |
| CN110776132A (en) | Zero-discharge process and device for regenerated wastewater of boiler make-up water treatment system of coal-fired power plant | |
| CN205115097U (en) | Change water ion exchanger | |
| CN211004704U (en) | Recycling treatment system for resin bed regenerated liquid | |
| CN218689555U (en) | Device for preventing resin leakage during failure of row device in positive regeneration tower | |
| CN110822406B (en) | Full-tube-bundle leaching system and leaching method for steam generator | |
| CN209885829U (en) | Be used for power plant condensate water fine treatment positive resin regenerating unit | |
| CN216271099U (en) | Novel medicament storage and distribution system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |