CN211216541U

CN211216541U - Heating furnace vaporization cooling adds medicine intelligent equipment

Info

Publication number: CN211216541U
Application number: CN201921464610.1U
Authority: CN
Inventors: 葛徐丰
Original assignee: Ningbo Jingyi Automation Engineering Technology Co ltd
Current assignee: Ningbo Jingyi Automation Control System Co ltd
Priority date: 2019-09-04
Filing date: 2019-09-04
Publication date: 2020-08-11
Anticipated expiration: 2029-09-04

Abstract

The utility model discloses a heating furnace vaporization cooling dosing intelligent device, which comprises a dissolving and diluting tank and a liquid medicine storage tank, the soft water tank, ratio jar and a plurality of heating furnace, dissolve and dilute tank deck portion and be equipped with feed liquor pipe one and inlet tube one, it is linked together with the liquid medicine storage tank through feed liquor pipe one to dissolve dilution jar, it is linked together with the soft water tank through inlet tube one to dissolve dilution jar, the bottom that dissolves dilution jar is equipped with drain pipe one, be equipped with liquid concentration sensor on the drain pipe one, it is linked together with ratio jar and a plurality of heating furnace respectively to dissolve dilution jar through drain pipe one, ratio tank deck portion is equipped with feed liquor pipe two and inlet tube two, the ratio jar is linked together with the bottom of drain pipe one and liquid medicine storage tank respectively through feed liquor pipe two, the ratio jar is linked together with the soft water tank through inlet tube two, the bottom of ratio jar is equipped with drain pipe two, the ratio jar is. The utility model has the advantages that: the proportioning accuracy of the liquid medicine is improved.

Description

Heating furnace vaporization cooling adds medicine intelligent equipment

Technical Field

The utility model belongs to the technical field of the heating furnace equipment technique of being correlated with and specifically relates to indicate a heating furnace vaporization cooling adds medicine intelligent equipment.

Background

Under the condition that the water quality requirement of furnace water feed water of the industrial heating furnace reaches the standard, each enterprise builds a resource-saving type and an environment-friendly type in order to implement the policy of energy conservation and emission reduction, and continuously makes greater contribution to the enterprises and the national economic development.

The industrial heating furnace is an important heat energy power device, water needs to be continuously added into the heating furnace in the industrial production of the heating furnace, and scaling, corrosion and the like appear in the heating furnace after long-term use, which directly influences the safe and economic operation of the heating furnace and the service life of the heating furnace. At the moment, the heating furnace needs to be filled with chemicals so as to ensure the normal operation of the heating furnace. At present, for the dosing of an industrial heating furnace, phosphate or sodium hydroxide is generally conveyed to a dosing port on a dilution tank manually and added into the dilution tank for proportional dissolution, and then the dissolved liquid medicine is added into the heating furnace according to actual requirements. The method has low working efficiency and high labor intensity, is easy to cause accidents of injuring people by medicaments, and can often influence the proportioning concentration of the solution in the dilution tank under the conditions of insufficient dissolution or residual liquid medicament in the dilution tank, thereby greatly reducing the effect of the heating furnace after medicament addition.

SUMMERY OF THE UTILITY MODEL

The utility model relates to an overcome the problem that liquid medicine ratio in the dilution tank is deviated among the prior art, provide a heating furnace vaporization cooling that can improve liquid medicine ratio precision adds medicine intelligent equipment.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a heating furnace vaporization cooling adds medicine intelligent equipment, it includes dilution tank, liquid medicine storage tank, soft water tank, ratio jar and a plurality of heating furnace, the top of dilution tank is equipped with feed liquor pipe one and inlet tube one, the dilution tank communicates with the bottom of liquid medicine storage tank through feed liquor pipe one, the top of liquid medicine storage tank is equipped with into medicine mouth, the dilution tank is linked together with the soft water tank through inlet tube one, the bottom of dilution tank is equipped with drain pipe one, be equipped with liquid concentration sensor on the drain pipe one, the dilution tank is linked together with ratio jar and a plurality of heating furnace respectively through drain pipe one, the top of ratio jar is equipped with feed liquor pipe two and inlet tube two, the ratio jar communicates with the bottom of drain pipe one and liquid medicine storage tank respectively through feed liquor pipe two, the ratio jar is linked together with the soft water tank through inlet tube two, the bottom of ratio jar is equipped with drain pipe two, the proportioning tank is respectively communicated with the plurality of heating furnaces through a liquid outlet pipe II.

The top of diluting the jar is equipped with feed liquor pipe one and inlet tube one, the diluting tank is linked together through feed liquor pipe one and the bottom of liquid medicine storage tank, the top of liquid medicine storage tank is equipped with into medicine mouth, the diluting tank is linked together with the soft water tank through inlet tube one, the bottom of diluting the jar is equipped with drain pipe one, be equipped with liquid concentration sensor on the drain pipe one, the diluting tank is linked together with ratio jar and a plurality of heating furnace respectively through drain pipe one, the top of ratio jar is equipped with feed liquor pipe two and inlet tube two, the ratio jar is linked together with the bottom of drain pipe one and liquid medicine storage tank respectively through feed liquor pipe two, the ratio jar is linked together with the soft water tank through inlet tube two, the bottom of ratio jar is equipped with drain pipe two, the ratio jar is linked together with. The liquid medicament is stored in the liquid medicament storage tank, the original operation mode of manually proportioning and adding powder is changed, the liquid medicament is added by filling, the discharge standard is reduced, and the increasingly-improved environmental protection requirement is met; the PLC control system starts to execute a dilution proportioning command, a certain amount of liquid medicine in the liquid medicine storage tank is conveyed into the dilution tank through the first liquid inlet pipe by system proportioning calculation, and meanwhile a certain amount of soft water required by the soft water tank is conveyed into the dilution tank through the first water inlet pipe to be mixed, diluted and proportioned with the liquid medicine; the liquid concentration sensor monitors the concentration of the solution after proportioning, if the concentration meets the requirement, the liquid medicine after system control mixing is conveyed into the heating furnace through the first liquid outlet pipe, if the concentration does not meet the requirement, the data is conveyed to the PLC control unit to analyze the liquid medicine amount or the soft water amount needing proportioning again, and the liquid medicine is conveyed into the proportioning tank together with the solution in the dilution tank to be subjected to secondary proportioning, so that the aim of improving the proportioning precision of the liquid medicine is fulfilled.

Preferably, the bottoms of the dilution tank, the liquid medicine storage tank, the soft water tank and the proportioning tank are respectively provided with a liquid level sensor and a drainage pipe, the drainage pipe is provided with a drainage valve, the first water inlet pipe is provided with two first soft water valves, a first water inlet valve, a first metering pump and a first standby pipe, the first metering pump is positioned between the two first soft water valves, the output end of the first metering pump is communicated with the top of the dilution tank sequentially through the first soft water valve and the first water inlet valve, the input end of the first metering pump is communicated with the bottom of the soft water tank through the other first soft water valve, one end of the first standby pipe is communicated with the first water inlet pipe, one end of the first standby pipe communicated with the first water inlet pipe is positioned at the output end of the first metering pump and is positioned between the first soft water valve and the first water inlet valve, the other end of the first standby pipe is communicated, the input end of the second metering pump is communicated with the bottom of the soft water tank through one of the second soft water valves, the output end of the second metering pump is communicated with the top of the proportioning tank through the other second soft water valve and the second water inlet valve in sequence, one end of the first standby pipe, which is communicated with the second water inlet pipe, is located at the output end of the second metering pump and is located between the second water inlet valve and the second soft water valve, the first standby pipe is provided with a first standby valve, and the top of the soft water tank is provided with a water. The liquid level sensor is used for monitoring the volume change of liquid in the tank and transmitting the volume change to the PLC control system for corresponding operation; when the solution in the tank needs to be cleaned, the solution is discharged by opening the drain valve, and the drain valve is closed after the air pressure in the tank is the same as the atmospheric pressure; soft water in the soft water tank can be conveyed into the dilution tank through the first water inlet pipe for proportional dissolution, and can also be conveyed into the proportioning tank through the second water inlet pipe for secondary proportioning; under normal conditions, the first standby valve is always in a closed state, the first soft water valve communicated with the output end of the first metering pump, the first water inlet valve, the second water inlet valve and the second soft water valve communicated with the output end of the second metering pump are all always in an open state, when soft water needs to be conveyed into the dilution tank, the first soft water valve and the first metering pump are opened, the PLC control system controls the first metering pump to convey a certain amount of soft water into the dilution tank through the first water inlet pipe, when the liquid concentration sensor detects that the concentration of liquid medicine is too high and soft water needs to be conveyed into the proportioning tank for secondary proportioning, the second soft water valve and the second metering pump are opened, and the PLC control system controls the second metering pump to convey a certain amount of soft water into; when the first metering pump fails and soft water cannot be directly conveyed into the dilution tank from the first water inlet pipe, the PLC system controls the first soft water valve and the second water inlet valve to be closed, the second soft water valve, the second metering pump, the first standby valve and the first water inlet valve to be opened, and the soft water is conveyed into the dilution tank sequentially through the second water inlet pipe, the first standby pipe and the first water inlet pipe; when the second metering pump fails and soft water cannot be directly conveyed into the proportioning tank from the second water inlet pipe, the PLC system controls the second soft water valve and the first water inlet valve to be closed, the first soft water valve, the first metering pump, the first standby valve and the second water inlet valve to be opened, and the soft water is conveyed into the proportioning tank sequentially through the first water inlet pipe, the first standby pipe and the second water inlet pipe.

Preferably, a first liquid medicine valve and a third metering pump are arranged on the first liquid medicine pipe, one end of the first liquid medicine pipe is communicated with the bottom of the liquid medicine storage tank, the other end of the first liquid medicine pipe is communicated with the top of the dilution tank, the liquid medicine storage tank, the first liquid medicine valve, the third metering pump and the dilution tank are sequentially communicated through the first liquid medicine pipe, a connecting pipe is arranged on the first liquid medicine pipe, a second standby valve is arranged on the connecting pipe, one end of the connecting pipe is communicated with the first liquid medicine pipe and is located between the first liquid medicine valve and the liquid medicine storage tank, the other end of the connecting pipe is communicated with the second liquid medicine pipe, a second liquid medicine valve and a fourth metering pump are arranged on the second. Under the normal state, the second standby valve is always in a closed state; when a certain amount of liquid medicament is needed to be proportioned in the dilution tank, the PLC control system opens the first liquid medicament valve and the third metering pump, and a certain amount of medicament obtained after calculation by the control system is conveyed from the liquid medicament storage tank to the dilution tank for proportioning; when the liquid medicine in the dilution tank is monitored by the liquid concentration sensor and does not accord with the requirement of the proportioning concentration of the liquid medicine, if the concentration of the liquid medicine is too low after data analysis and calculation of the control system again, the PLC control system controls the first liquid medicine valve to be closed, the second standby valve, the second liquid medicine valve and the fourth metering pump to be opened, the fourth metering pump is controlled to convey a certain amount of medicine from the liquid medicine storage tank to the proportioning tank for secondary proportioning, and the proportioning precision of the liquid medicine is improved.

Preferably, one end of the first liquid outlet pipe is communicated with the bottom of the dilution tank, the other end of the first liquid outlet pipe is provided with a combination valve, one end of the second liquid inlet pipe is communicated with the top of the proportioning tank, the other end of the second liquid inlet pipe is communicated with the first liquid outlet pipe through the combination valve, the combination valve is provided with a liquid inlet header pipe, the combination valve is respectively communicated with a plurality of heating furnaces through the liquid inlet header pipe, the heating furnaces are provided with a third water inlet pipe and a third water outlet pipe, the water outlet pipe is provided with a water quality monitor, the heating furnaces are provided with two third liquid inlet pipes, one end of one of the third liquid inlet pipes is communicated with the liquid inlet header pipe, the other end of the third liquid inlet pipe is communicated with the second liquid outlet pipe, the other end of the third liquid inlet pipe is communicated with the heating furnaces, the second liquid outlet pipe is provided with a main valve, the third, the one-way valve is positioned at one side close to the heating furnace, and the dosing pump, the first control valve and the second control valve are positioned at one side far away from the heating furnace. Under normal conditions, the heating furnace enters water from the water inlet pipe III and flows out of the water outlet pipe, the water quality monitor on the water outlet pipe monitors comprehensive indexes of water quality in the water outlet pipe in real time, including dissolved oxygen, PH, phosphate, total alkalinity and the like, the system accurately adjusts the dissolved oxygen, the PH, the phosphate and the total alkalinity of the heating furnace in real time through the multivariable fuzzy controller, and when the water quality is in problem, the medicine is automatically added into the heating furnace, so that the water quality in the heating furnace is in a good state, and the utilization rate of the heating furnace is improved; when the concentration of the liquid medicine monitored by the liquid concentration sensor meets the requirement, the PLC control system controls the opening of the combination valve, the control valve I, the dosing pump, the control valve II and the one-way valve on one of the liquid inlet pipes III, the closing of the liquid medicine valve II, and the liquid medicine in the dilution tank is conveyed into the heating furnace through the liquid outlet pipe I and one of the liquid inlet pipes III in sequence; the one-way valve can lead the liquid medicine to only flow into the heating furnace, and simultaneously avoid the backflow of steam and the like in the heating furnace; when the concentration of the liquid medicine monitored by the liquid concentration sensor does not meet the requirement, the liquid medicine in the dilution tank is conveyed into the proportioning tank for secondary proportioning, then the PLC control system controls and opens the main valve, the first control valve on the other liquid inlet pipe III, the dosing pump, the second control valve and the one-way valve, and the liquid medicine in the proportioning tank is conveyed into the heating furnace through the second liquid outlet pipe and the other liquid inlet pipe III in sequence.

Preferably, the liquid inlet pipe III is provided with a standby pipe II, the liquid inlet pipes III on the plurality of heating furnaces are communicated through the standby pipe II in sequence, the standby pipe II is provided with a plurality of standby valves III, the standby valves III are arranged between the two adjacent heating furnaces, and the standby pipe II is arranged between the control valve II and the one-way valve. Under normal conditions, the standby valve III is always in a closed state, and the control valve II is always in an open state; when the dosing pump on one heating furnace breaks down, the PLC control system controls and closes the control valve I and the control valve II corresponding to the dosing pump, opens the one-way valve, opens the combination valve or the main valve, the control valve I, the dosing pump and the control valve II on the other heating furnace and the standby valve III between the two heating furnaces, and the liquid medicine in the dilution tank or the proportioning tank is conveyed into the heating furnaces through the liquid inlet pipe III on the other heating furnace.

Preferably, the combination valve comprises a valve body, the valve body is in a cuboid shape, two valve grooves are arranged on one side of the valve body, two liquid outlets are arranged on the other side of the valve body, the valve body is communicated with a liquid inlet pipe two-phase through one of the liquid outlets, the valve body is communicated with a liquid inlet header pipe through the other liquid outlet, a main flow passage and a branch flow passage are arranged inside the valve body, the main flow passage is perpendicular to the branch flow passage, a liquid inlet is arranged at the end part of the valve body, the valve body is communicated with a liquid outlet pipe one-phase through the liquid inlet, one end of the main flow passage is communicated with the liquid inlet through one of the valve grooves, the other end of the main flow passage is communicated with the other valve groove, the liquid outlets are communicated with the valve grooves through the branch flow passage, two valve blocks corresponding to the valve grooves are arranged, and a valve core is arranged in the valve groove, the output end of the stepping motor is fixedly connected with the valve core, and the valve core is rotatably connected with the valve body. The liquid medicine enters the through hole from the liquid inlet, the stepping motor drives the valve core to rotate, and the flow direction of the liquid medicine is controlled through the one-way valve.

Preferably, the valve core is cylindrical, one end of the valve core is fixedly connected with the output end of the stepping motor, the other end of the valve core is provided with a through hole matched with the main runner and a liquid separation hole matched with the sub-runner, the diameter of the main runner is larger than that of the sub-runner, the through hole is communicated with the liquid inlet through the main runner, one end of the liquid separation hole is communicated with the through hole, the other end of the liquid separation hole is communicated with the liquid outlet through the sub-runner, a one-way check valve is arranged in the through hole and comprises a valve matched with the through hole, torsion spring and dog, torsion spring are located the valve and are close to the one end in branch liquid hole, and the dog is located the one end that the valve leaves the branch liquid hole, dog and case fixed connection, and the valve is equipped with torsion spring's one end and case and rotates and be connected, and torsion spring is located the valve and is close to the one side in branch liquid hole, and the dog is located the one side that the valve leaves the branch liquid hole. The diameter of the main runner is larger than that of the sub-runners, the through hole is matched with the main runner, and the valve can completely cover the liquid dividing hole when the liquid outlet needs to be closed because the appearance of the valve is matched with the through hole; the liquid separation hole is closed, when the through hole is opened, the valve is positioned above the liquid separation hole, and the liquid medicine flows through one valve cavity and then reaches the other valve cavity; the liquid dividing hole is opened, when the through hole is closed, the corresponding stepping motor is started, the stepping motor drives the valve core to rotate for 180 degrees, the valve is located below the liquid dividing hole, the stop block is located at the bottom of the valve, the torsion spring is located at the top of the valve, the valve seals the through hole and blocks liquid medicine, and the liquid medicine reaches a corresponding pipeline through the liquid dividing hole, so that the purpose of changing the flow direction of the liquid medicine by driving the valve core to rotate through the stepping motor is achieved.

As preferred, the shape structure of dilution tank and the shape structure homogeneous phase of ratio jar all are equipped with the stirring subassembly in the dilution tank and the ratio jar, the stirring subassembly includes agitator motor, (mixing) shaft and stirring vane, agitator motor is located the top central point department of putting of dilution tank, agitator motor's output runs through the top and the (mixing) shaft connection of dilution tank, the one end and the output of agitator motor of (mixing) shaft are connected, the other end of (mixing) shaft is located the bottom of dilution tank, stirring vane distributes on the (mixing) shaft. The stirring motor drives the stirring shaft to rotate, and simultaneously drives the blades to stir, so that the dissolving and mixing speed of the solution can be accelerated, and meanwhile, the precision of the liquid medicine ratio is favorably improved.

The utility model has the advantages that: the liquid concentration sensor monitors the concentration of the solution after proportioning, and if the concentration does not meet the requirement, the solution in the dilution tank is conveyed into the proportioning tank for analysis and calculation for secondary proportioning, so that the proportioning accuracy of the liquid medicine is improved; when the water quality is in a problem, the system automatically controls the medicine to be added into the heating furnace, so that the water quality in the heating furnace is in a good state, and the utilization rate of the heating furnace is improved; the stirring motor drives the stirring shaft to rotate, and simultaneously drives the blades to stir, so that the dissolving and mixing speed of the solution can be accelerated, and meanwhile, the precision of the liquid medicine ratio is favorably improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a pipeline connection diagram of the present invention;

FIG. 3 is an internal structural view of the combination valve;

FIG. 4 is an external view of the combination valve;

FIG. 5 is a partial enlarged view of the liquid hole at point A in FIG. 3 with the through hole closed;

FIG. 6 is a partially enlarged view of the liquid hole at point A in FIG. 3 with the through hole opened.

In the figure: 1. diluting tank, 2, liquid medicine storage tank, 3, soft water tank, 4, proportioning tank, 5, liquid inlet pipe I, 6, water inlet pipe I, 7, medicine inlet, 8, liquid outlet pipe I, 9, liquid concentration sensor, 10, heating furnace, 11, liquid inlet pipe II, 12, water inlet pipe II, 13, liquid outlet pipe II, 14, valve body, 15, liquid level sensor, 16, drainage pipe, 17, drainage valve, 18, soft water valve I, 19, water inlet valve I, 20, metering pump I, 21, standby pipe I, 22, metering pump II, 23, water inlet valve II, 24, soft water valve II, 25, standby valve I, 26, water inlet pipe, 27, liquid medicine valve I, 28, metering pump III, 29, connecting pipe, 30, standby valve II, 31, liquid medicine valve II, 32, metering pump IV, 33, combination valve, 34, water inlet pipe III, 35, water outlet pipe, 36, 37, water inlet pipe III, 38, general valve, 39. the medicine feeding pump comprises a medicine feeding pump body 40, a one-way valve 41, a control valve I42, a control valve II 43, a standby pipe II 44, a standby valve III 45, a stirring motor 46, a stirring shaft 47, a stirring blade 48, a valve groove 49, a liquid outlet 50, a main flow passage 51, a branch flow passage 52, a liquid outlet 53, a valve block 54, a groove 55, a stepping motor 56, a valve core 57, a through hole 58, a liquid separating hole 59, a one-way check valve 60, a valve 61, a torsion spring 62, a block 63 and a liquid inlet header pipe.

Detailed Description

The invention is further described with reference to the accompanying drawings and the detailed description.

In the embodiment shown in fig. 1, an intelligent chemical dosing device for vaporization cooling of a heating furnace comprises a dilution tank 1, a chemical liquid storage tank 2, a soft water tank 3, a proportioning tank 4 and a plurality of heating furnaces 10, wherein a first liquid inlet pipe 5 and a first water inlet pipe 6 are arranged at the top of the dilution tank 1, the dilution tank 1 is communicated with the bottom of the chemical liquid storage tank 2 through the first liquid inlet pipe 5, a chemical inlet 7 is arranged at the top of the chemical liquid storage tank 2, the dilution tank 1 is communicated with the soft water tank 3 through the first water inlet pipe 6, a first liquid outlet pipe 8 is arranged at the bottom of the dilution tank 1, a liquid concentration sensor 9 is arranged on the first liquid outlet pipe 8, the dilution tank 1 is respectively communicated with the proportioning tank 4 and the plurality of heating furnaces 10 through the first liquid outlet pipe 8, a second liquid inlet pipe 11 and a second liquid inlet pipe 12 are arranged at the top of the proportioning tank 4, the proportioning tank 4 is respectively, the proportioning tank 4 is communicated with the soft water tank 3 through a liquid inlet pipe II 12, a liquid outlet pipe II 13 is arranged at the bottom of the proportioning tank 4, and the proportioning tank 4 is respectively communicated with the plurality of heating furnaces 10 through the liquid outlet pipe II 13.

As shown in fig. 2, the bottoms of the dilution tank 1, the liquid medicine storage tank 2, the soft water tank 3 and the proportioning tank 4 are respectively provided with a liquid level sensor 15 and a drain pipe 16, the drain pipe 16 is provided with a drain valve 17, the water inlet pipe 6 is provided with two soft water valves 18, a water inlet valve 19, a metering pump 20 and a standby pipe 21, the metering pump 20 is positioned between the two soft water valves 18, the output end of the metering pump 20 is communicated with the top of the dilution tank 1 sequentially through one of the soft water valves 18 and the water inlet valve 19, the input end of the metering pump 20 is communicated with the bottom of the soft water tank 3 through the other soft water valve 18, one end of the standby pipe 21 is communicated with the water inlet pipe 6, the end of the standby pipe 21 communicated with the water inlet pipe 6 is positioned at the output end of the metering pump 20 and between the soft water valves 18 and the water inlet valve 19, the other end of, the liquid inlet pipe II 12 is provided with a metering pump II 22, a water inlet valve II 23 and two soft water inlet valves II 23, the metering pump II 22 is positioned between the two soft water inlet valves II 23, the input end of the metering pump II 22 is communicated with the bottom of the soft water tank 3 through one of the soft water valves II 24, the output end of the metering pump II 22 is communicated with the top of the proportioning tank 4 sequentially through the other soft water valve II 24 and the water inlet valve II 23, one end of the standby pipe I21 communicated with the liquid inlet pipe II 12 is positioned at the output end of the metering pump II 22 and positioned between the water inlet valve II 23 and the soft water valve II 24, the standby pipe I21 is provided with a standby valve I25, and the top.

As shown in fig. 2, a first liquid medicine valve 27 and a third metering pump 28 are arranged on a first liquid inlet pipe 5, one end of the first liquid inlet pipe 5 is communicated with the bottom of a first liquid medicine storage tank 2, the other end of the first liquid inlet pipe 5 is communicated with the top of a dilution tank 1, the first liquid medicine storage tank 2, the first liquid medicine valve 27, the third metering pump 28 and the dilution tank 1 are sequentially communicated through the first liquid inlet pipe 5, a connecting pipe 29 is arranged on the first liquid inlet pipe 5, a second standby valve 30 is arranged on the connecting pipe 29, one end of the connecting pipe 29 is communicated with the first liquid inlet pipe 5 and is located between the first liquid medicine valve 27 and the liquid medicine storage tank 2, the other end of the connecting pipe 29 is communicated with a second liquid inlet pipe 11, a second liquid medicine valve 31 and a fourth metering pump 32 are arranged.

As shown in fig. 2, one end of a first liquid outlet pipe 8 is communicated with the bottom of the dilution tank 1, the other end of the first liquid outlet pipe 8 is provided with a combination valve 33, one end of a second liquid inlet pipe 11 is communicated with the top of the proportioning tank 4, the other end of the second liquid inlet pipe 11 is communicated with the first liquid outlet pipe 8 through the combination valve 33, the combination valve 33 is provided with a liquid inlet header pipe 63, the combination valve 33 is respectively communicated with a plurality of heating furnaces 10 through the liquid inlet header pipe 63, the heating furnaces 10 are provided with a third liquid inlet pipe 34 and a third liquid outlet pipe 35, the water outlet pipe 35 is provided with a water quality monitor 36, the heating furnaces 10 are provided with a third liquid inlet pipe 37, one end of the third liquid inlet pipe 37 is communicated with the liquid inlet header pipe 63, the other end of the third liquid inlet pipe 37 is communicated with the heating furnaces 10, one end of, the liquid inlet pipe III 37 is provided with a dosing pump 39, a one-way valve 40, a control valve I41 and a control valve II 42, the dosing pump 39 is positioned between the control valve I41 and the control valve II 42, the one-way valve 40 is positioned on one side close to the heating furnace 10, the dosing pump 39, the control valve I41 and the control valve II 42 are all positioned on one side far away from the heating furnace 10, the liquid inlet pipe III 37 is provided with a standby pipe II 43, the liquid inlet pipes III 37 on the plurality of heating furnaces 10 are communicated through the standby pipe II 43 in sequence, the standby pipe II 43 is provided with a plurality of standby valves III 44, the standby valves III 44 are positioned between two adjacent heating furnaces 10, and the standby pipe II 43 is positioned between the control valve II 42 and the one-way.

As shown in fig. 3 and 4, the combination valve 33 includes a valve body 14, the valve body 14 is shaped as a rectangular parallelepiped, two valve housings 48 are disposed on one side of the valve body 14, two liquid outlets 49 are disposed on the other side of the valve body 14, the valve body 14 is communicated with a second liquid inlet pipe 11 through one of the liquid outlets 49, the valve body 14 is communicated with a main liquid inlet pipe 63 through the other liquid outlet 49, a main flow passage 50 and a branch flow passage 51 are disposed inside the valve body 14, the main flow passage 50 is perpendicular to the branch flow passage 51, a liquid inlet 52 is disposed at an end portion of the valve body 14, the valve body 14 is communicated with a first liquid outlet pipe 8 through the liquid inlet 52, one end of the main flow passage 50 is communicated with the liquid inlet 52 through one of the valve housings 48, the other end of the main flow passage 50 is communicated with the other valve housing 48, the liquid outlet 49 is communicated with the valve housing 48, the valve block 53 is detachably connected with the valve body 14, a groove 54 is formed in the valve block 53, the groove 54 is communicated with the valve groove 48, a stepping motor 55 is arranged in the groove 54, a valve core 56 is arranged in the valve groove 48, the output end of the stepping motor 55 is fixedly connected with the valve core 56, and the valve core 56 is rotatably connected with the valve body 14.

As shown in fig. 5 and 6, the valve core 56 is cylindrical, one end of the valve core 56 is fixedly connected with the output end of the stepping motor 55, the other end of the valve core 56 is provided with a through hole 57 matched with the main flow passage 50 and a liquid distribution hole 58 matched with the branch flow passage 51, the diameter of the main flow passage 50 is larger than that of the branch flow passage 51, the through hole 57 is communicated with the liquid inlet 52 through the main flow passage 50, one end of the liquid distribution hole 58 is communicated with the through hole 57, the other end of the liquid distribution hole 58 is communicated with the liquid outlet 49 through the branch flow passage 51, a one-way check valve 59 is arranged in the through hole 57, the one-way check valve 59 comprises a valve 60 matched with the through hole 57, a torsion spring 61 and a stop 62, the torsion spring 61 is positioned at one end of the valve 60 close to the liquid distribution hole 58, the stop 62 is positioned at one end of the valve 60 far away, torsion spring 61 is located on the side of valve 60 near dispensing aperture 58 and stop 62 is located on the side of valve 60 remote from dispensing aperture 58.

As shown in fig. 1, the shape structure of dilution tank 1 and the shape structure of ratio jar 4 are all the same, all be equipped with the stirring subassembly in dilution tank 1 and in ratio jar 4, the stirring subassembly includes agitator motor 45, (mixing) shaft 46 and stirring vane 47, agitator motor 45 is located the top central point department of putting of dilution tank 1, agitator motor 45's output runs through the top of dilution tank 1 and is connected with (mixing) shaft 46, the one end of (mixing) shaft 46 is connected with agitator motor 45's output, the other end of (mixing) shaft 46 is located the bottom of dilution tank 1, stirring vane 47 distributes on (mixing) shaft 46.

The working principle is as follows: the heating furnace is intake from inlet tube three 34, and flow from outlet pipe 35, the comprehensive index of quality of water in the outlet pipe 35 of water quality monitor 36 real-time supervision on the outlet pipe 35, including dissolved oxygen, PH, phosphate, total basicity etc, the system is through the dissolved oxygen of multivariable fuzzy controller to the heating furnace, PH, phosphate, total basicity carries out real-time accurate regulation, when quality of water goes wrong, according to the on-line measuring report, add the medicine in toward heating furnace 10 behind the automatic ratio liquid medicine of medicine system, make the quality of water in heating furnace 10 be in good condition, thereby do benefit to the rate of utilization that improves heating furnace 10.

When the liquid concentration sensor 15 monitors that the concentration of the liquid medicine in the liquid outlet pipe I8 is too high, the PLC control system controls to open a liquid outlet 49, a liquid medicine valve II 31 and a metering pump IV 32 which are communicated with the liquid inlet pipe II 11 on the combined valve 33, the liquid medicine in the dilution tank 1 is conveyed into the proportioning tank 4, the soft water valve II 24 and the metering pump II 22 are simultaneously opened, the PLC control system controls the metering pump II 22 to convey a certain amount of soft water into the proportioning tank 4 through the water inlet pipe II 12 for secondary proportioning, and finally the soft water is conveyed into the heating furnace 10 through the liquid outlet pipe II 13 and the liquid inlet pipe III 37 in sequence.

When the liquid concentration sensor 15 monitors that the concentration of the liquid medicine in the liquid outlet pipe I8 is too low, the PLC control system controls to open a liquid outlet 49, a liquid medicine valve II 31 and a metering pump IV 32 which are communicated with the liquid inlet pipe II 11 on the combination valve 33, the liquid medicine in the dilution tank 1 is conveyed into the proportioning tank 4, then the standby valve II 30 is opened, and the PLC control system controls the metering pump IV 32 to convey a certain amount of liquid medicine from the liquid medicine storage tank 2 into the proportioning tank 4 for secondary proportioning; then the PLC control system controls the opening of the main valve 38, the first control valve 41 on the third liquid inlet pipe 37, the dosing pump 39, the second control valve 42 and the one-way valve 40, and the liquid medicine in the proportioning tank 4 is conveyed into the heating furnace 10 through the second liquid outlet pipe 13 and the third liquid inlet pipe 37 in sequence.

Soft water in the soft water tank 3 is conveyed into the dilution tank 1 through the first water inlet pipe 6 for proportional dissolution, and meanwhile, soft water can be conveyed into the proportioning tank 4 through the second water inlet pipe 12 for secondary proportioning; under normal conditions, the first standby valve 25 is always in a closed state, the first soft water valve 18 communicated with the output end of the first metering pump 20, the first water inlet valve 19, the second water inlet valve 23 and the second soft water valve 24 communicated with the output end of the second metering pump 22 are always in an open state, when soft water needs to be conveyed into the dilution tank 1, the first soft water valve 18 and the first metering pump 20 are opened, and the PLC control system controls the first metering pump 20 to convey a certain amount of calculated soft water into the dilution tank 1 through the first water inlet pipe 6.

When the first metering pump 20 has a fault and soft water cannot be directly conveyed into the dilution tank 1 from the first water inlet pipe 6, the PLC system controls the first soft water valve 18 and the second water inlet valve 23 to be closed, the second soft water valve 24, the second metering pump 22, the first standby valve 25 and the first water inlet valve 19 to be opened, and the soft water is conveyed into the dilution tank 1 sequentially through the second water inlet pipe 12, the first standby pipe 21 and the first water inlet pipe 6.

When the second metering pump 22 fails and soft water cannot be directly conveyed into the proportioning tank 4 from the second water inlet pipe 12, the PLC system controls the second soft water valve 24 and the first water inlet valve 19 to be closed, the first soft water valve 18, the first metering pump 20, the first standby valve 25 and the second water inlet valve 23 to be opened, and the soft water is conveyed into the proportioning tank 4 sequentially through the first water inlet pipe 6, the first standby pipe 21 and the second water inlet pipe 12.

Under normal conditions, the third backup valve 44 is always in a closed state, and the second control valve 42 is always in an open state; when the dosing pump 39 on one heating furnace 10 has a fault, the PLC control system controls to close the control valve I41 and the control valve II 42 on the same liquid inlet pipe III 37, open the one-way valve 40, open the combination valve 33 or the main valve 38, simultaneously open the control valve I41, the dosing pump and the control valve II 39 on the other heating furnace 10 and the standby valve III 44 between the two heating furnaces, and the liquid medicine in the dilution tank 1 or the proportioning tank 4 is conveyed into the heating furnace 10 through the liquid inlet pipe III 37 on the other heating furnace 10.

Claims

1. The utility model provides a heating furnace vaporization cooling adds medicine intelligent equipment, characterized by, including dilution tank (1), liquid medicine storage tank (2), soft water tank (3), ratio jar (4) and a plurality of heating furnace (10), the top of dilution tank (1) is equipped with feed liquor pipe (5) and inlet tube (6), dilution tank (1) is linked together through the bottom of feed liquor pipe (5) and liquid medicine storage tank (2), the top of liquid medicine storage tank (2) is equipped with into medicine mouth (7), dilution tank (1) is linked together through inlet tube (6) and soft water tank (3), the bottom of dilution tank (1) is equipped with drain pipe (8), be equipped with liquid concentration sensor (9) on drain pipe (8), dilution tank (1) is linked together with ratio jar (4) and a plurality of heating furnace (10) respectively through drain pipe (8), the top of ratio jar (4) is equipped with feed liquor pipe two (11) and inlet tube two (12), ratio jar (4) communicate with the bottom of drain pipe (8) and liquid medicine storage tank (2) respectively through feed liquor pipe two (11), ratio jar (4) are linked together with soft water tank (3) through inlet tube two (12), the bottom of ratio jar (4) is equipped with drain pipe two (13), ratio jar (4) are linked together with a plurality of heating furnace (10) respectively through drain pipe two (13).

2. The heating furnace evaporative cooling dosing intelligent device as defined in claim 1, wherein the bottoms of the dilution tank (1), the liquid medicine storage tank (2), the soft water tank (3) and the proportioning tank (4) are respectively provided with a liquid level sensor (15) and a drain pipe (16), the drain pipe (16) is provided with a drain valve (17), the first water inlet pipe (6) is provided with two first soft water valves (18), a first water inlet valve (19), a first metering pump (20) and a first standby pipe (21), the first metering pump (20) is positioned between the two first soft water valves (18), the output end of the first metering pump (20) is communicated with the top of the dilution tank (1) through one of the first soft water valves (18) and the first water inlet valve (19), the input end of the first metering pump (20) is communicated with the bottom of the soft water tank (3) through the other first soft water valve (18), the one end and the inlet tube of reserve pipe one (21) are linked together, the one end that reserve pipe one (21) is linked together with inlet tube one (6) is located the output of measuring pump one (20) and is located between soft water valve one (18) and water intaking valve (19), the other end and the inlet tube two (12) of reserve pipe one (21) are linked together, be equipped with measuring pump two (22), water intaking valve two (23) and two soft water valve two (24) on inlet tube two (12), measuring pump two (22) are located between two soft water valve two (24), the input of measuring pump two (22) is linked together through the bottom of one of them soft water valve two (24) and soft water tank (3), the output of measuring pump two (22) loops through the top water intaking valve of another soft water valve two (24) and ratio jar (4) and two (23), the one end that reserve pipe one (21) is linked together with two (12) is located the measuring pump two (22) is linked together The output end is located between the second water inlet valve (23) and the second soft water valve (24), the first standby valve (25) is arranged on the first standby pipe (21), and the top of the soft water tank (3) is provided with a water inlet pipe (26).

3. The heating furnace vaporization cooling dosing intelligent device according to claim 1 or 2, characterized in that a first liquid inlet pipe (5) is provided with a first liquid medicine valve (27) and a third metering pump (28), one end of the first liquid inlet pipe (5) is communicated with the bottom of the liquid medicine storage tank (2), the other end of the first liquid inlet pipe (5) is communicated with the top of the dilution tank (1), the liquid medicine storage tank (2), the first liquid medicine valve (27), the third metering pump (28) and the dilution tank (1) are sequentially communicated with the first liquid inlet pipe (5), the first liquid inlet pipe (5) is provided with a connecting pipe (29), the connecting pipe (29) is provided with a second backup valve (30), one end of the connecting pipe (29) is communicated with the first liquid inlet pipe (5) and is positioned between the first liquid medicine valve (27) and the liquid medicine storage tank (2), and the other end of the connecting pipe (29) is communicated with the second liquid inlet pipe (11), and a second liquid medicine valve (31) and a fourth metering pump (32) are arranged on the second liquid inlet pipe (11), and the fourth metering pump (32) is positioned between the second liquid medicine valve (31) and the proportioning tank (4).

4. The heating furnace evaporative cooling dosing intelligent device according to claim 1 or 2, characterized in that one end of the first liquid outlet pipe (8) is communicated with the bottom of the dilution tank (1), the other end of the first liquid outlet pipe (8) is provided with a combination valve (33), one end of the second liquid inlet pipe (11) is communicated with the top of the proportioning tank (4), the other end of the second liquid inlet pipe (11) is communicated with the first liquid outlet pipe (8) through the combination valve (33), the combination valve (33) is provided with a liquid inlet header pipe (63), the combination valve (33) is respectively communicated with a plurality of heating furnaces (10) through the liquid inlet header pipe (63), the heating furnaces (10) are provided with a third water inlet pipe (34) and a third water outlet pipe (35), the water outlet pipe (35) is provided with a water quality monitor (36), the heating furnaces (10) are provided with a third two liquid inlet pipes (37), one end of one of them feed liquor pipe three (37) is linked together with feed liquor house steward (63), and its other end is linked together with heating furnace (10), and the one end and drain pipe two (13) of another feed liquor pipe three (37) are linked together, and its other end is linked together with heating furnace (10), be equipped with main valve (38) on drain pipe two (13), be equipped with dosing pump (39), check valve (40), control valve (41) and control valve two (42) on feed liquor pipe three (37), dosing pump (39) are located between control valve one (41) and control valve two (42), check valve (40) are located the one side that is close to heating furnace (10), dosing pump (39), control valve one (41) and control valve two (42) all are located the one side of keeping away from heating furnace (10).

5. The heating furnace vaporization cooling dosing intelligent device according to claim 4, wherein a second standby pipe (43) is arranged on the third liquid inlet pipe (37), the third liquid inlet pipes (37) on the plurality of heating furnaces (10) are communicated with each other sequentially through the second standby pipe (43), a plurality of third standby valves (44) are arranged on the second standby pipe (43), the third standby valves (44) are located between every two adjacent heating furnaces (10), and the second standby pipe (43) is located between the second control valve (42) and the one-way valve (40).

6. A heating furnace vaporization cooling adds medicine intelligent equipment according to claim 4, characterized by, combination valve (33) includes valve body (14), the shape of valve body (14) is the cuboid, one side of valve body (14) is equipped with two valve slots (48), the opposite side of valve body (14) is equipped with two liquid outlets (49), valve body (14) are linked together with feed liquor pipe two (11) through one of them liquid outlet (49), valve body (14) are linked together with feed liquor house steward (63) through another liquid outlet (49), the inside of valve body (14) is equipped with sprue (50) and subchannel (51), sprue (50) and subchannel (51) mutually perpendicular, the tip of valve body (14) is equipped with inlet (52), valve body (14) are linked together with drain pipe one (8) through inlet (52), one end of the main flow channel (50) is communicated with the liquid inlet (52) through one of the valve grooves (48), the other end of the main flow channel (50) is communicated with the other valve groove (48), the liquid outlet (49) is communicated with the valve groove (48) through the sub-flow channel (51), one side of the valve body (14) on which the valve groove (48) is arranged is provided with two valve blocks (53) corresponding to the valve groove (48), the valve blocks (53) are detachably connected with the valve body (14), the valve blocks (53) are provided with grooves (54), the grooves (54) are communicated with the valve groove (48), the grooves (54) are internally provided with stepping motors (55), the valve grooves (48) are internally provided with valve cores (56), the output ends of the stepping motors (55) are fixedly connected with the valve cores (56), and the valve cores (56) are rotatably connected with the valve body (14).

7. The heating furnace evaporative cooling dosing intelligent device according to claim 6, wherein the valve core (56) is cylindrical, one end of the valve core (56) is fixedly connected with the output end of the stepping motor (55), the other end of the valve core (56) is provided with a through hole (57) matched with the main flow passage (50) and a liquid distribution hole (58) matched with the branch flow passage (51), the diameter of the main flow passage (50) is larger than that of the branch flow passage (51), the through hole (57) is communicated with the liquid inlet (52) through the main flow passage (50), one end of the liquid distribution hole (58) is communicated with the through hole (57), the other end of the liquid distribution hole (58) is communicated with the liquid outlet (49) through the branch flow passage (51), a one-way check valve (59) is arranged in the through hole (57), and the one-way check valve (59) comprises a valve (60) and a liquid distribution hole (51) matched with the through hole (57), The valve comprises a torsion spring (61) and a stop block (62), wherein the torsion spring (61) is positioned at one end, close to the liquid separation hole (58), of the valve (60), the stop block (62) is positioned at one end, far away from the liquid separation hole (58), of the valve (60), the stop block (62) is fixedly connected with the valve core (56), one end, provided with the torsion spring (61), of the valve (60) is rotatably connected with the valve core (56), the torsion spring (61) is positioned at one side, close to the liquid separation hole (58), of the valve (60), and the stop block (62) is positioned at one side, far away from the liquid separation hole (58), of the valve (60).

8. The heating furnace vaporization cooling intelligent dosing device according to claim 1, wherein the shape structure of the dilution tank (1) is the same as the shape structure of the proportioning tank (4), stirring assemblies are arranged in the dilution tank (1) and the proportioning tank (4), each stirring assembly comprises a stirring motor (45), a stirring shaft (46) and stirring blades (47), the stirring motor (45) is located at the top center of the dilution tank (1), the output end of the stirring motor (45) penetrates through the top of the dilution tank (1) to be connected with the stirring shaft (46), one end of the stirring shaft (46) is connected with the output end of the stirring motor (45), the other end of the stirring shaft (46) is located at the bottom of the dilution tank (1), and the stirring blades (47) are distributed on the stirring shaft (46).