CN218383724U - Biological oxidation intelligent control system - Google Patents

Biological oxidation intelligent control system Download PDF

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CN218383724U
CN218383724U CN202222094066.4U CN202222094066U CN218383724U CN 218383724 U CN218383724 U CN 218383724U CN 202222094066 U CN202222094066 U CN 202222094066U CN 218383724 U CN218383724 U CN 218383724U
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module
heat exchange
plc
electrically connected
tank
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丁成
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Changchun Gold Research Institute
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Changchun Gold Research Institute
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

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Abstract

The utility model belongs to the technical field of biological oxidation pretreatment gold extraction technology, in particular to a biological oxidation intelligent control system; the PLC comprises a CPU module, an INPUT module and an OUTPUT module, wherein the INPUT module and the OUTPUT module are respectively and electrically connected with the CPU module, the upper computer is connected with the CPU module of the PLC through a TCP/IP protocol, the local control button unit and the signal acquisition module are respectively and electrically connected with the INPUT module of the PLC through a relay, and the function execution terminal is electrically connected with the OUTPUT module of the PLC through the relay; the utility model discloses a to the control of biological oxidation preliminary treatment technology main parameters, optimize the technological parameter combination among the biological oxidation preliminary treatment control system to the production process is guided in the feedback, gains good control effect, improves and carries gold efficiency, provides technical guarantee for stable production.

Description

Biological oxidation intelligent control system
Technical Field
The utility model belongs to the technical field of gold extraction technology of biological oxidation preliminary treatment, concretely relates to biological oxidation intelligence control system.
Background
The biological oxidation pretreatment gold extraction technology is characterized by utilizing microorganisms in the nature, preferably selecting ore leaching strains of thiophilic and iron, carrying out adaptive culture and domestication, oxidizing and decomposing sulfide ore matrixes by utilizing the direct action of metabolism of the microorganisms or the indirect action of metabolites under the appropriate environment, and carrying out gold-coated mineral pyrite and arsenicThe harmful components such as pyrite are destroyed, and the gold is fully exposed. The core of the biological oxidation pretreatment gold extraction technology is to culture and domesticate excellent leaching bacteria, and factors influencing the living ability and metabolic strength of the excellent leaching bacteria comprise ore grinding fineness, ore pulp concentration, oxidation temperature, dissolved oxygen concentration and Fe 3+ Concentration, oxidation-reduction potential (Eh), culture medium and the like, therefore, gold mine bio-oxidation plants need to automatically monitor and control the indexes in real time, so that the oxidation activity of ore leaching strains is optimal, and the efficiency of biological oxidation pretreatment gold extraction is improved.
Disclosure of Invention
In order to overcome the problem, the utility model provides a biological oxidation intelligence control system through the control to biological oxidation preliminary treatment technology main parameter, optimizes the technological parameter combination among the biological oxidation preliminary treatment control system to the feedback guides the production process, gains good control effect, improves and carries gold efficiency, provides technical guarantee for stable production.
A bio-oxidation intelligent control system comprises a PLC1, an upper computer 2, an on-site control button unit 3, a signal acquisition module 4 and a function execution terminal 5, wherein the PLC1 comprises a CPU module, an INPUT module and an OUTPUT module, the INPUT module and the OUTPUT module are respectively and electrically connected with the CPU module, the upper computer 2 is connected with the CPU module of the PLC1 through a TCP/IP protocol, the on-site control button unit 3 and the signal acquisition module 4 are respectively and electrically connected with the INPUT module of the PLC1 through a relay, and the function execution terminal 5 is electrically connected with the OUTPUT module of the PLC1 through the relay;
the signal acquisition module 4 comprises a tank concentration detection module 41, a biological oxidation tank air supply and heat exchange monitoring module 42, an oxidation state monitoring module 43 and an equipment running state detection module 44, wherein the tank concentration detection module 41, the biological oxidation tank air supply and heat exchange monitoring module 42, the oxidation state monitoring module 43 and the equipment running state detection module 44 are respectively and electrically connected with an INPUT module of the PLC1 through relays;
the function execution terminal 5 comprises a tank concentration adjusting terminal 51, a biological oxidation tank air supply and heat exchange adjusting terminal 52 and an oxidation tank stirring variable frequency motor 53, wherein the tank concentration adjusting terminal 51, the biological oxidation tank air supply and heat exchange adjusting terminal 52 and the oxidation tank stirring variable frequency motor 53 are respectively and electrically connected with an OUTPUT module of the PLC1 through relays.
The local control button unit 3 is a plurality of groups of functional manual control buttons, wherein the manual control buttons are electrically connected with an INPUT module of the PLC 1.
The tank concentration detection module 41 comprises a tank body liquid level meter, an ore inlet concentration meter, an ore inlet flow meter, a water flow meter, a slurry outlet concentration meter and a slurry outlet flow meter, wherein the tank body liquid level meter, the ore inlet concentration meter, the ore inlet flow meter, the water flow meter, the slurry outlet concentration meter and the slurry outlet flow meter are respectively and electrically connected with the INPUT module of the PLC1 through relays;
the biological oxidation tank air supply and heat exchange monitoring module 42 comprises an air pipe flow meter, an air pipe pressure sensor, a heat exchange temperature sensor, a heat exchange flow meter and a heat exchange water outlet pressure sensor, wherein the air pipe flow meter, the air pipe pressure sensor, the heat exchange temperature sensor, the heat exchange flow meter and the heat exchange water outlet pressure sensor are respectively and electrically connected with an INPUT module of the PLC1 through relays;
the oxidation state monitoring module 43 comprises an oxidation tank potentiometer or a PH meter and an industrial vision identification monitoring camera, wherein the oxidation tank potentiometer or the PH meter and the industrial vision identification monitoring camera are respectively electrically connected with the INPUT module of the PLC1 through a relay;
the device operation state detection module 44 comprises an oxidation tank stirring motor current-voltage sensor, a fan current-voltage sensor and a heat exchange water pump current-voltage sensor, wherein the oxidation tank stirring motor current-voltage sensor, the fan current-voltage sensor and the heat exchange water pump current-voltage sensor are respectively electrically connected with the INPUT module of the PLC1 through relays.
The tank concentration adjusting terminal 51 comprises an ore pulp outlet angle adjusting valve or an ore pulp outlet variable frequency pump, a water adding angle adjusting valve or a water supply variable frequency pump, and an ore pulp inlet angle adjusting valve or an ore pulp inlet variable frequency pump, wherein the ore pulp outlet angle adjusting valve or the ore pulp outlet variable frequency pump, the water adding angle adjusting valve or the water supply variable frequency pump, and the ore pulp inlet angle adjusting valve or the ore pulp inlet variable frequency pump are respectively and electrically connected with an OUTPUT module of the PLC1 through relays;
the biological oxidation tank air supply and heat exchange adjusting terminal 52 comprises a heat exchange water angle adjusting valve, a cold water frequency conversion pump, a hot water frequency conversion pump, an air pipe angle adjusting valve and a frequency conversion fan, wherein the heat exchange water angle adjusting valve, the cold water frequency conversion pump, the hot water frequency conversion pump, the air pipe angle adjusting valve and the frequency conversion fan are respectively electrically connected with an OUTPUT module of the PLC1 through relays.
The utility model has the advantages that:
the utility model discloses can realize biological oxidation preliminary treatment technology feeding concentration automatically regulated, oxidation temperature automatically regulated, aeration rate dissolved oxygen automatically regulated control, oxidation groove oxidation state integrated detection carries out the optimization of system data and recommends optimization improvement process scheme, realizes full system equipment running state safety monitoring, carries out prejudgement and handles the suggestion for system's trouble, and this system has positive important meaning to biological oxidation technology's application.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a partial structural schematic diagram of the present invention.
Wherein: PLC1, an upper computer 2, an on-site control button unit 3, a signal acquisition module 4, a tank concentration detection module 41, a biological oxidation tank air supply and heat exchange monitoring module 42, an oxidation state monitoring module 43, an equipment running state detection module 44, a function execution terminal 5, a tank concentration adjustment terminal 51, a biological oxidation tank air supply and heat exchange adjustment terminal 52 and an oxidation tank stirring variable frequency motor 53.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example 1
As shown in fig. 1 and 2, an intelligent control system for biological oxidation comprises a PLC1, an upper computer 2, an on-site control button unit 3, a signal acquisition module 4 and a function execution terminal 5, wherein the PLC1 comprises a CPU module, an INPUT module and an OUTPUT module, the INPUT module and the OUTPUT module are respectively electrically connected with the CPU module, the upper computer 2 is connected with the CPU module of the PLC1 through a TCP/IP protocol, the on-site control button unit 3 and the signal acquisition module 4 are respectively electrically connected with the INPUT module of the PLC1 through a relay, and the function execution terminal 5 is electrically connected with the OUTPUT module of the PLC1 through a relay;
the signal acquisition module 4 comprises a tank concentration detection module 41, a biological oxidation tank air supply and heat exchange monitoring module 42, an oxidation state monitoring module 43 and an equipment running state detection module 44, wherein the tank concentration detection module 41, the biological oxidation tank air supply and heat exchange monitoring module 42, the oxidation state monitoring module 43 and the equipment running state detection module 44 are respectively and electrically connected with an INPUT module of the PLC1 through relays;
the function execution terminal 5 comprises a tank concentration adjusting terminal 51, a biological oxidation tank air supply and heat exchange adjusting terminal 52 and an oxidation tank stirring variable frequency motor 53, wherein the tank concentration adjusting terminal 51, the biological oxidation tank air supply and heat exchange adjusting terminal 52 and the oxidation tank stirring variable frequency motor 53 are respectively and electrically connected with an OUTPUT module of the PLC1 through relays.
The local control button unit 3 is a plurality of groups of functional manual control buttons, wherein the manual control buttons are electrically connected with an INPUT module of the PLC 1. The function manual control buttons are electrically connected with the INPUT module, the CPU module is internally provided with a program to run, each function manual control button can OUTPUT an instruction to the OUTPUT module of the PLC1, one of the OUTPUT module control function execution terminals 5 can act according to a manual requirement, the local control button unit 3 can realize the switching of a manual/automatic mode, the control of local equipment and the starting and stopping of a remote automatic flow can realize the emergency stop and recovery of a system, and the debugging of the process is facilitated.
The tank concentration detection module 41 comprises a tank body liquid level meter, an ore inlet concentration meter, an ore inlet flow meter, a water flow meter, a slurry outlet concentration meter and a slurry outlet flow meter, wherein the tank body liquid level meter, the ore inlet concentration meter, the ore inlet flow meter, the water flow meter, the slurry outlet concentration meter and the slurry outlet flow meter are respectively and electrically connected with the INPUT module of the PLC1 through relays;
the biological oxidation tank air supply and heat exchange monitoring module 42 comprises an air pipe flow meter, an air pipe pressure sensor, a heat exchange temperature sensor, a heat exchange flow meter and a heat exchange water outlet pressure sensor, wherein the air pipe flow meter, the air pipe pressure sensor, the heat exchange temperature sensor, the heat exchange flow meter and the heat exchange water outlet pressure sensor are respectively and electrically connected with an INPUT module of the PLC1 through relays;
the oxidation state monitoring module 43 comprises an oxidation tank potentiometer or a PH meter and an industrial vision identification monitoring camera, wherein the oxidation tank potentiometer or the PH meter and the industrial vision identification monitoring camera are respectively and electrically connected with the INPUT module of the PLC1 through relays;
the device operation state detection module 44 comprises an oxidation tank stirring motor current-voltage sensor, a fan current-voltage sensor and a heat exchange water pump current-voltage sensor, wherein the oxidation tank stirring motor current-voltage sensor, the fan current-voltage sensor and the heat exchange water pump current-voltage sensor are respectively electrically connected with the INPUT module of the PLC1 through relays.
The equipment running state detection module 44 monitors the current/voltage of the stirring motor of the oxidation tank, the current/voltage of the fan and the current/voltage of the heat exchange water pump through a remote transmission type current-voltage sensor.
The tank concentration adjusting terminal 51 comprises an ore pulp outlet angle adjusting valve or an ore pulp outlet frequency conversion pump, a water adding angle adjusting valve or a water supply frequency conversion pump, and an ore pulp inlet angle adjusting valve or an ore pulp inlet frequency conversion pump, wherein the ore pulp outlet angle adjusting valve or the ore pulp outlet frequency conversion pump, the water adding angle adjusting valve or the water supply frequency conversion pump, and the ore pulp inlet angle adjusting valve or the ore pulp inlet frequency conversion pump are respectively and electrically connected with an OUTPUT module of the PLC1 through relays;
the biological oxidation tank air supply and heat exchange adjusting terminal 52 comprises a heat exchange water angle adjusting valve, a cold water frequency conversion pump, a hot water frequency conversion pump, an air pipe angle adjusting valve and a frequency conversion fan, wherein the heat exchange water angle adjusting valve, the cold water frequency conversion pump, the hot water frequency conversion pump, the air pipe angle adjusting valve and the frequency conversion fan are respectively electrically connected with an OUTPUT module of the PLC1 through relays.
Example 2
Referring to fig. 1 and 2, a bio-oxidation PLC control system includes a PLC1, an upper computer 2, an on-site control button unit 3, a signal acquisition module 4, and a function execution terminal 5, wherein the PLC1 adopts a siemens distributed control system, which includes a CPU module, an INPUT module, and an OUTPUT module, the upper computer 2 is connected with the PLC1 control system through a TCP/IP protocol, the on-site control button unit 3 and the signal acquisition module 4 are connected with the INPUT module of the PLC1 through a relay, and the function execution terminal 5 is connected with the OUTPUT module of the PLC1 through a relay;
the upper computer 2 adopts an industrial computer for monitoring, and WinCC is used as a software development platform of the system and is used for realizing the functions of remote system display monitoring, control parameter input, formula management and data tracing, data processing and optimization, output printing and the like;
the local control button unit 3 can realize the switching of manual/automatic modes;
the signal acquisition module 4 comprises a tank concentration detection module 41, a biological oxidation tank air supply and heat exchange monitoring module 42, an oxidation state monitoring module 43 and an equipment running state detection module 44; wherein the tank concentration detection module 41 comprises a tank body liquid level meter, an ore inlet concentration meter, an ore inlet flow meter, a water flow meter, a slurry outlet concentration meter and a slurry outlet flow meter; the biological oxidation single-groove air supply and heat exchange monitoring 42 comprises an air pipe flowmeter, an air pipe pressure sensor, a heat exchange temperature sensor, a heat exchange flowmeter and a heat exchange water outlet pressure sensor; the oxidation state monitoring module 43 has an oxidation tank potential and PH meter, and visual monitoring; the equipment running state detection module 44 comprises oxidation tank stirring motor current/voltage, fan current/voltage and heat exchange water pump current/voltage;
the function execution terminal 5 comprises a tank concentration adjusting terminal 51, a biological oxidation tank air supply and heat exchange adjusting terminal 52 and an oxidation tank stirring variable frequency motor 53; the tank concentration adjusting terminal 51 comprises a slurry outlet angle adjusting valve/variable frequency pump, a water adding angle adjusting valve/variable frequency pump and a slurry inlet angle adjusting valve/variable frequency pump, and the biological oxidation tank air supply and heat exchange adjusting terminal 52 comprises a heat exchange water angle adjusting valve, a cold water variable frequency pump/cooling tower, a hot water variable frequency pump, an air pipe angle adjusting valve and a variable frequency fan.
The biological oxidation automatic control method comprises the following steps:
the upper computer 2 inputs control parameters.
According to the required ore pulp concentration set by biological oxidation, the ore pulp concentration measured by an ore inlet concentration meter of the adjusting tank concentration detection module 41 and the ore inlet amount measured by an ore inlet flow meter are calculated by a CPU module of the PLC1, and then the water adding angle adjusting valve or the water supply variable frequency pump of the adjusting tank concentration adjusting terminal 51 is fed back and controlled under the detection of a water flow meter to realize the automatic water adding amount metering; the liquid level of the regulating and reducing tank is monitored by a tank body liquid level meter, and the PLC1 collects the over-high liquid level and controls and adjusts the frequency of a slurry inlet angle regulating valve or a slurry inlet variable frequency pump to realize stable ore inlet amount; and monitoring whether the ore removal concentration is stable or not by an ore removal concentration meter and an ore removal slurry flow meter, and adjusting the ore amount according to the biological oxidation reaction degree to adjust an ore removal slurry angle adjusting valve or the frequency of an ore removal slurry variable frequency pump.
And adjusting the aeration air quantity through the air pipe flow meter of the biological oxidation tank air supply and heat exchange monitoring module 42 and the air pipe pressure sensor monitoring data and adjusting the air pipe angle adjusting valve angle of the biological oxidation tank air supply and heat exchange adjusting terminal 52 and the frequency of the variable frequency fan, and determining whether the air quantity distribution is reasonable, whether the pipeline is blocked or leaked, and whether the stirring effect is ideal. The data selection system monitored by the heat exchange temperature sensor, the heat exchange flow meter and the heat exchange water outlet pressure sensor of the biological oxidation tank air supply and heat exchange monitoring module 42 starts the cooling water variable frequency pump/cooling tower of the biological oxidation tank air supply and heat exchange adjusting terminal 52 or starts the hot water variable frequency pump to realize refrigeration heat exchange or heating heat exchange, and realizes the distribution control of the heat exchange quantity of each tank through the heat exchange angle adjusting valve, and checks whether the pipeline is blocked or leaked through pressure.
The potential of the oxidation state monitoring module 43 and the data monitored by the PH meter can reflect the oxidation state of each oxidation tank, and the data of the upper computer 2 is combined to perform feedback control to adjust the frequency of the stirring variable frequency motor 53 of the oxidation tank to adjust the stirring rotating speed or adjust the heat exchange amount of aeration amount and the ore feeding concentration of gold ore.
The monitoring data of the equipment running state monitoring 44 can realize the optimization of the equipment running, provide suggestions for later-stage equipment maintenance and model selection, or judge whether the system has faults or not.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the protection scope of the present invention is not limited to the details of the above embodiments, and within the technical concept of the present invention, any person skilled in the art is within the technical scope of the present invention, and according to the technical solution of the present invention and the inventive concept thereof, equivalent replacement or change is made, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.

Claims (5)

1. The intelligent biological oxidation control system is characterized by comprising a PLC (1), an upper computer (2), an on-site control button unit (3), a signal acquisition module (4) and a function execution terminal (5), wherein the PLC (1) comprises a CPU module, an INPUT module and an OUTPUT module, the INPUT module and the OUTPUT module are respectively and electrically connected with the CPU module, the upper computer (2) is connected with the CPU module of the PLC (1) through a TCP/IP protocol, the on-site control button unit (3) and the signal acquisition module (4) are respectively and electrically connected with the INPUT module of the PLC (1) through a relay, and the function execution terminal (5) is electrically connected with the OUTPUT module of the PLC (1) through the relay;
the signal acquisition module (4) comprises a tank concentration detection module (41), a biological oxidation tank air supply and heat exchange monitoring module (42), an oxidation state monitoring module (43) and an equipment operation state detection module (44), wherein the tank concentration detection module (41), the biological oxidation tank air supply and heat exchange monitoring module (42), the oxidation state monitoring module (43) and the equipment operation state detection module (44) are respectively and electrically connected with an INPUT module of the PLC (1) through relays;
the function execution terminal (5) comprises a tank concentration adjusting terminal (51), a biological oxidation tank air supply and heat exchange adjusting terminal (52) and an oxidation tank stirring variable frequency motor (53), wherein the tank concentration adjusting terminal (51), the biological oxidation tank air supply and heat exchange adjusting terminal (52) and the oxidation tank stirring variable frequency motor (53) are respectively and electrically connected with an OUTPUT module of the PLC (1) through relays.
2. An intelligent control system for biological oxidation according to claim 1, wherein the local control button unit (3) is a plurality of functional manual control buttons, wherein the manual control buttons are electrically connected with INPUT modules of the PLC (1).
3. The intelligent control system for biological oxidation according to claim 1, wherein the tank concentration detection module (41) comprises a tank body liquid level meter, an ore inlet concentration meter, an ore inlet flow meter, a water flow meter, a slurry outlet concentration meter and a slurry outlet flow meter, wherein the tank body liquid level meter, the ore inlet concentration meter, the ore inlet flow meter, the water flow meter, the slurry outlet concentration meter and the slurry outlet flow meter are respectively electrically connected with the INPUT module of the PLC (1) through relays.
4. The intelligent control system for biological oxidation according to claim 3, characterized in that the biological oxidation tank air supply and heat exchange monitoring module (42) comprises an air pipe flow meter, an air pipe pressure sensor, a heat exchange temperature sensor, a heat exchange flow meter and a heat exchange water outlet pressure sensor, wherein the air pipe flow meter, the air pipe pressure sensor, the heat exchange temperature sensor, the heat exchange flow meter and the heat exchange water outlet pressure sensor are respectively and electrically connected with the INPUT module of the PLC (1) through relays;
the oxidation state monitoring module (43) comprises an oxidation tank potentiometer or a PH meter and an industrial vision identification monitoring camera, wherein the oxidation tank potentiometer or the PH meter and the industrial vision identification monitoring camera are respectively and electrically connected with the INPUT module of the PLC (1) through relays;
the device running state detection module (44) comprises an oxidation tank stirring motor current-voltage sensor, a fan current-voltage sensor and a heat exchange water pump current-voltage sensor, wherein the oxidation tank stirring motor current-voltage sensor, the fan current-voltage sensor and the heat exchange water pump current-voltage sensor are respectively and electrically connected with an INPUT module of the PLC (1) through relays.
5. The intelligent control system for biological oxidation according to claim 4, characterized in that the tank concentration adjusting terminal (51) comprises a pulp outlet angle adjusting valve or a pulp outlet frequency conversion pump, a water adding angle adjusting valve or a water supply frequency conversion pump, and a pulp inlet angle adjusting valve or a pulp inlet frequency conversion pump, wherein the pulp outlet angle adjusting valve or the pulp outlet frequency conversion pump, the water adding angle adjusting valve or the water supply frequency conversion pump, and the pulp inlet angle adjusting valve or the pulp inlet frequency conversion pump are respectively electrically connected with an OUTPUT module of the PLC (1) through relays;
the biological oxidation tank air supply and heat exchange adjusting terminal (52) comprises a heat exchange water angle adjusting valve, a cold water variable frequency pump, a hot water variable frequency pump, an air pipe angle adjusting valve and a variable frequency fan, wherein the heat exchange water angle adjusting valve, the cold water variable frequency pump, the hot water variable frequency pump, the air pipe angle adjusting valve and the variable frequency fan are respectively and electrically connected with an OUTPUT module of the PLC (1) through relays.
CN202222094066.4U 2022-08-10 2022-08-10 Biological oxidation intelligent control system Active CN218383724U (en)

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Application Number Priority Date Filing Date Title
CN202222094066.4U CN218383724U (en) 2022-08-10 2022-08-10 Biological oxidation intelligent control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222094066.4U CN218383724U (en) 2022-08-10 2022-08-10 Biological oxidation intelligent control system

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CN218383724U true CN218383724U (en) 2023-01-24

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