A safety monitoring device for chemical wastewater cooling pool during water filling

Abstract

The present invention discloses a safety monitoring device for a chemical wastewater cooling pool during water filling, relates to the technical field of chemical wastewater management, comprises a water filling closing monitoring device vertically arranged on the inner wall of the wastewater cooling pool, and also comprises an automatic water filling switch valve arranged at the edge of the wastewater cooling pool and corresponding to the location of the wastewater filling pipe. When the water filling closing monitoring device monitors that the wastewater in the chemical wastewater cooling pool reaches a certain capacity, the water filling closing monitoring device will feed back a signal to each automatic water filling switch valve, and each wastewater filling pipe will be closed through the automatic water filling switch valve until the wastewater cooling pool is completely discharged. When the automatic water filling switch valve monitors that the wastewater reaches a certain capacity in the wastewater filling pipe, the automatic water filling switch valve will be opened again at this time to inject wastewater into the wastewater cooling pool. The present invention can monitor the wastewater capacity in real time, and realize water filling management by automatic control, and has a high degree of automation, greatly reduces safety hazards, and realizes safe production.

Description

Technical Field

[0001] The invention relates to the technical field of chemical wastewater management, in particular to a safety monitoring device for a chemical wastewater cooling pool during water injection. Background Art

[0002] Chemical wastewater refers to wastewater produced in the process of producing products in chemical plants, such as oily wastewater from the production of ethylene, polyethylene, rubber, polyester, methanol, ethylene glycol, oil tank area, air separation and air compressor station, etc. After biochemical treatment, it can generally meet the national secondary emission standards. Due to the shortage of water resources, the water that meets the emission standards needs to be further treated in depth to meet the recycling requirements of industrial water replenishment. Among them, some wastewater is accompanied by high temperature before treatment and needs to be further cooled in the cooling pool before treatment.

[0003] At present, the wastewater cooling pool mainly determines whether to discharge by monitoring its liquid level. When the liquid level is reached, an alarm will be triggered. At this time, manual operation is required to close the water injection valves one by one before discharge. The monitoring and supervision system is not comprehensive. If there are too many water injection valves or the manual closing time is slow, the wastewater in the cooling pool will not be discharged. If it overflows, a major safety accident will occur. There are certain safety hazards. Summary of the invention

[0004] The purpose of the invention is to solve the problems existing in the above-mentioned background technology and to propose a safety monitoring device for a chemical wastewater cooling pool during water filling.

[0005] To achieve the above purpose, the invention provides the following technical solutions:

[0006] A safety monitoring device for a chemical wastewater cooling pool during water filling;

[0007] It includes a water injection closing monitoring device vertically arranged on the inner wall of the wastewater cooling tank;

[0008] It also includes an automatic water injection switch valve which is arranged at the edge of the wastewater cooling pool and corresponds to the location of the wastewater injection pipe.

[0009] Preferably, a float is installed inside the water injection closing monitoring device, and guide blocks are fixed on both sides of the float, and the guide blocks are always located in the guide communication grooves opened on both sides of the water injection closing monitoring device, and a vertically arranged trigger column is fixed on the upper surface of the float;

[0010] An adjustment seat is detachably mounted above the water injection closing monitoring device, and a plurality of evenly distributed positioning holes are provided above the adjustment seat. The adjustment seat is fixed together with the water injection closing monitoring device by bolts arranged in the positioning holes. A converter is fixed on the upper surface of the adjustment seat, and a fixed trigger piece is fixed on the lower surface of the adjustment seat through a work-shaped frame. A guide frame is installed on one side of the adjustment seat through a vertically arranged guide shaft, wherein a spring is embedded on the guide shaft, and a movable trigger piece corresponding to the fixed trigger piece up and down is also fixed on the guide frame;

[0011] Among them, the fixed trigger piece 1 and the movable trigger piece 1 are both conductors, and both are connected to the switch of the converter through the circuit.

[0012] Wastewater is injected into the wastewater cooling pool through the wastewater injection pipe. As the wastewater rises, the float slowly floats up under the action of buoyancy until the trigger column starts to abut against the movable trigger piece 1, and then the spring 1 is compressed until the fixed trigger piece 1 contacts the movable trigger piece 1, and the converter is triggered to start.

[0013] Preferably, an annular slide seat 1 is fixed above the automatic water injection switch valve, and a lifting seat is slidably assembled inside the annular slide seat through a slider 1, an annular gear row is fixed to the outside of the lifting seat, one side of the annular gear row is always meshed with a gear, the bottom of the gear is connected to the rotating shaft of the motor, one side of the motor is connected to a forward switch, the inside of the lifting seat is meshed with a vertically arranged lifting screw through a thread, a vertically arranged push rod is arranged directly below the lifting screw, an annular slide seat 2 is arranged on the push rod, the annular slide seat 2 is connected to the bottom of the lifting screw through a slider 2, and a switch valve core located in the wastewater injection pipe is arranged below the push rod.

[0014] When the forward switch receives the feedback signal, the shaft of the control motor rotates forward. At this time, the annular gear row is driven to rotate through the gear meshing. Under the action of the thread, the lifting screw can be driven to move downward. After the annular slide seat shares the steering, the switch valve core is driven to move vertically downward, and the wastewater injection pipe is closed through the switch valve core.

[0015] Preferably, an avoidance cavity is provided on the inner side of the switch valve core, a second float is installed in the avoidance cavity, a second guide block is connected to one side of the second float, the second guide block runs through a vertically fixed lifting shaft, and a second vertically arranged trigger column is fixed on the upper surface of the second float;

[0016] A reverse switch is also provided on one side of the motor, and a fixed trigger piece 2 is fixed next to the reverse switch through a second I-shaped frame, and a guide frame 2 is installed on one side of the second I-shaped frame through a second vertically arranged guide shaft, wherein a spring 2 is nested on the second guide frame, and a movable trigger piece 2 corresponding to the fixed trigger piece 2 is also fixed on the second guide shaft;

[0017] Among them, the fixed trigger piece 2 and the movable trigger piece 2 are both conductors, and both are connected to the reverse switch through the circuit.

[0018] As the amount of wastewater in the wastewater injection pipe increases, float two begins to float up slowly, and begins to abut against movable trigger piece two through trigger column two. At this time, spring two is compressed. When fixed trigger piece two and movable trigger piece two come into contact, the reverse switch is triggered, and then the shaft of the motor is controlled to rotate in the opposite direction, which drives the switch valve core to rise, thereby realizing the discharge of wastewater in the wastewater injection pipe into the wastewater cooling pool.

[0019] Preferably, the converter is connected to the forward switches of all the motors through lines respectively.

[0020] When the converter is triggered to start, feedback signals are sent to the forward switches of all motors through the converter, and then the forward switches are started to control the operation of the motors.

[0021] Preferably, the interior of the float 1 and the float 2 is hollow, and can always be in a floating state under the buoyancy of water; wherein, under the action of buoyancy, the float 1 can abut against the bottom of the movable trigger piece 1 through the trigger column 1, and at this time, the elastic force of the spring 1 can be overcome, and then the movable trigger piece 1 contacts the fixed trigger piece 1, and at this time, the switch of the converter is in a closed loop;

[0022] Among them, under the action of buoyancy, float two can abut against the bottom of movable trigger piece two through trigger column two, at this time it can overcome the elastic force of spring two, and then movable trigger piece two contacts with fixed trigger piece two, at this time the switch of the reverse switch is in a closed loop.

[0023] Preferably, the time taken for the wastewater injection pipe to reach the discharge timing is longer than the time taken for the wastewater cooling pool to be completely discharged.

[0024] The discharge speed of the wastewater cooling pool is relatively fast. After the wastewater injection pipe is closed through the automatic water injection switch valve, the discharge of the wastewater cooling pool is completed. At this time, the wastewater in the wastewater injection pipe has not yet reached the time for discharge, thereby ensuring the orderly injection and discharge of wastewater.

[0025] Compared with the prior art, the invention has the following beneficial effects:

[0026] The present invention is a safety monitoring device for a chemical wastewater cooling pool during water injection, which can monitor the wastewater capacity in real time and automatically control water injection management. It has a high degree of automation, greatly reduces safety hazards, and achieves safe production. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the top view of the structure of the present invention;

[0028] Figure 2It is a cross-sectional view of the water injection closing monitoring device in the present invention along the transverse direction;

[0029] Figure 3 for Figure 2 Schematic diagram of some structures in ;

[0030] Figure 4 It is a cross-sectional view of the water injection closing monitoring device in the present invention along the longitudinal direction;

[0031] Figure 5 for Figure 4 Schematic diagram of some structures in ;

[0032] Figure 6 for Figure 5 A partial enlarged view of the middle A;

[0033] Figure 7 A cross-sectional view of the automatic water injection switch valve of the present invention along the longitudinal direction;

[0034] Figure 8 for Figure 7 Partial structure diagram of Figure 1 ;

[0035] Fig. 9 for Figure 7 Partial structure diagram of Figure 2 ;

[0036] Fig.10 for Fig. 9 A partial enlarged view of point B in the middle.

[0037] In the figure: 1-wastewater cooling pool; 2-water filling closing monitoring device; 3-wastewater filling pipe; 4-automatic water filling switch valve; 5-floating body; 6-guide block; 7-guide connecting groove; 8-trigger column; 9-adjusting seat; 10-positioning hole; 11-bolt; 12-converter; 13-type frame; 14-fixed trigger plate; 15-guide shaft; 16-guide frame; 17-spring; 18-movable trigger plate; 19-ring slide; 20-slider; 21-lift Lowering seat; 22-annular gear row; 23-gear; 24-motor; 25-forward switch; 26-lifting screw; 27-thrust rod; 28-annular slide seat 2; 29-slider 2; 30-switch valve core; 31-avoidance chamber; 32-floating body 2; 33-guide block 2; 34-lifting shaft; 35-reverse switch; 36-type frame 2; 37-fixed trigger piece 2; 38-guide shaft 2; 39-guide frame 2; 40-spring 2; 41-movable trigger piece 2; 42-trigger column 2. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the invention to clearly and completely describe the technical solutions in the embodiments of the invention. Obviously, the described embodiments are only part of the embodiments of the invention, not all of the embodiments. Based on the embodiments in the invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the invention.

[0039] Please refer to Figure 1-Figure 10 , the invention provides a technical solution:

[0040] A safety monitoring device for a chemical wastewater cooling pool during water filling;

[0041] It includes a water injection closing monitoring device 2 vertically arranged on the inner wall of the wastewater cooling pool 1;

[0042] It also includes an automatic water injection switch 4 which is arranged at the edge of the wastewater cooling pool 1 and corresponds to the location of the wastewater injection pipe 3 .

[0043] In the above, a float 5 is installed inside the water injection closing monitoring device 2, and guide blocks 6 are fixed on both sides of the float 5. The guide blocks 6 are always located in the guide communication grooves 7 opened on both sides of the water injection closing monitoring device 2. A vertically arranged trigger column 8 is fixed on the upper surface of the float 5;

[0044] An adjustment seat 9 is detachably mounted above the water injection closing monitoring device 2, and a plurality of evenly distributed positioning holes 10 are provided above the adjustment seat 9. The adjustment seat 9 is fixed together with the water injection closing monitoring device 2 by arranging bolts 11 in the positioning holes 10. A converter 12 is fixed to the upper surface of the adjustment seat 9, and a fixed trigger piece 14 is fixed to the lower surface of the adjustment seat 9 through a work frame 13. A guide frame 16 is installed on one side of the adjustment seat 9 through a vertically arranged guide shaft 15, wherein a spring 17 is embedded on the guide shaft 15, and a movable trigger piece 18 corresponding to the fixed trigger piece 14 is also fixed on the guide frame 16;

[0045] The fixed trigger piece 14 and the movable trigger piece 18 are both conductors, and both are connected to the switch of the converter 12 through a circuit.

[0046] Wastewater is injected into the wastewater cooling pool 1 through the wastewater injection pipe 3. As the wastewater rises, the float 5 slowly floats up under the action of buoyancy until the trigger column 8 begins to abut against the movable trigger piece 18, and then the spring 17 is compressed until the fixed trigger piece 14 and the movable trigger piece 1 are in contact, and the converter 12 is triggered to start.

[0047] In the above, an annular slide 19 is fixed above the automatic water injection switch valve 4, and a lifting seat 21 is slidably assembled in the annular slide 19 through a slider 20, and an annular gear row 22 is fixed on the outer side of the lifting seat 21, and a gear 23 is always meshed on one side of the annular gear row 22, and the lower part of the gear 23 is connected to the rotating shaft of the motor 24, and a forward switch 25 is connected to one side of the motor 24. A vertically arranged lifting screw 26 is meshed inside the lifting seat 21 through a thread, and a vertically arranged push rod 27 is arranged directly below the lifting screw 26, and an annular slide 28 is arranged on the push rod 27. The annular slide 28 is connected to the lower part of the lifting screw 26 through a slider 29, and a switch valve core 30 located in the wastewater injection pipe 3 is arranged below the push rod 27.

[0048] When the forward switch 25 receives the feedback signal, the shaft of the control motor 24 rotates forward. At this time, the annular gear row 22 is driven to rotate through the engagement of the gear 23. Under the action of the thread, the lifting screw 26 can be driven to move downward. After the annular slide seat 28 shares the steering, the switch valve core 30 is driven to move vertically downward, and the wastewater injection pipe 3 is closed through the switch valve core 30.

[0049] In the above, the inner side of the switch valve core 30 is provided with an avoidance chamber 31, and a second float 32 is installed in the avoidance chamber 31. A second guide block 33 is connected to one side of the second float 32. The second guide block 33 runs through a vertically fixed lifting shaft 34. A second vertically arranged trigger column 42 is fixed on the upper surface of the second float 32.

[0050] A reverse switch 35 is also provided on one side of the motor 24. A fixed trigger piece 37 is fixed to the side of the reverse switch 35 through a second I-shaped frame 36. A second guide frame 39 is installed on one side of the second I-shaped frame 36 through a second vertically arranged guide shaft 38. A second spring 40 is embedded on the second guide frame 39. A second movable trigger piece 41 corresponding to the second fixed trigger piece 37 is also fixed on the second guide shaft 38.

[0051] The second fixed trigger piece 37 and the second movable trigger piece 41 are both conductors, and both are connected to the reverse switch 35 through a circuit.

[0052] As the amount of wastewater in the wastewater injection pipe 3 increases, the float 2 32 begins to float up slowly, and begins to abut against the movable trigger piece 2 41 through the trigger column 2 42. At this time, the spring 2 40 is compressed, and when the fixed trigger piece 2 37 and the movable trigger piece 2 41 are in contact, the reverse switch 35 is triggered, and then the shaft of the control motor 24 is controlled to rotate in the opposite direction, which drives the switch valve core 30 to rise, thereby realizing the discharge of the wastewater in the wastewater injection pipe 3 into the wastewater cooling pool 1.

[0053] In the above description, the converter 12 is connected to the forward switches 25 of all motors 24 through lines respectively.

[0054] When the converter 12 is triggered to start, feedback signals are sent to the forward switches 25 of all motors 24 through the converter 12 , and then the forward switches 25 are started to control the operation of the motors 24 .

[0055] In the above, the interior of the float 1 5 and the float 2 32 is hollow, and can always be in a floating state under the buoyancy of water;

[0056] Wherein, under the action of buoyancy, the float 15 can abut against the bottom of the movable trigger piece 18 through the trigger column 18, and at this time, the elastic force of the spring 17 can be overcome, and then the movable trigger piece 18 contacts the fixed trigger piece 14, and at this time, the switch of the converter 12 is in a closed loop;

[0057] Among them, under the action of buoyancy, the float 2 32 can abut against the bottom of the movable trigger piece 2 41 through the trigger column 2 42, at this time it can overcome the elastic force of the spring 2 40, and then the movable trigger piece 2 41 contacts the fixed trigger piece 2 37, and at this time the switch of the reverse switch 35 is in a closed loop.

[0058] In the above, the time taken for the wastewater injection pipe 3 to reach the discharge timing is longer than the time taken for the wastewater cooling pool 1 to be completely discharged.

[0059] The discharge speed of the wastewater cooling pool 1 is relatively fast. After the wastewater injection pipe 3 is closed by the automatic water injection switch valve 4, the discharge of the wastewater cooling pool 1 is completed. At this time, the wastewater in the wastewater injection pipe 3 has not yet reached the time for discharge, thereby ensuring the orderly injection and discharge of the wastewater.

[0060] Working principle of the present invention:

[0061] The wastewater injection pipe 3 discharges high-temperature wastewater from various places into the wastewater cooling pool 1, and the wastewater cooling pool 1 cools the high-temperature wastewater in real time.

[0062] As the wastewater rises, the float 5 slowly floats up under the action of buoyancy until the trigger column 8 begins to abut against the movable trigger piece 18, and then the spring 17 is compressed until the fixed trigger piece 14 and the movable trigger piece 18 are in contact, and the converter 12 is triggered to start. When the converter 12 is triggered to start, feedback signals are sent to the forward switches 25 of all motors 24 through the converter 12, and then the forward switches 25 are started to control the operation of the motors 24.

[0063] When the forward switch 25 receives the feedback signal, the shaft of the control motor 24 rotates forward. At this time, the annular gear row 22 is driven to rotate through the engagement of the gear 23. Under the action of the thread, the lifting screw 26 can be driven to move downward. After the annular slide seat 28 shares the steering, the switch valve core 30 is driven to move vertically downward, and the wastewater injection pipe 3 is closed through the switch valve core 30.

[0064] As the amount of wastewater in the wastewater injection pipe 3 increases, the float 2 32 begins to float up slowly, and begins to abut against the movable trigger piece 2 41 through the trigger column 2 42. At this time, the spring 2 40 is compressed, and when the fixed trigger piece 2 37 and the movable trigger piece 2 41 are in contact, the reverse switch 35 is triggered, and then the shaft of the control motor 24 is controlled to rotate in the opposite direction, which drives the switch valve core 30 to rise, thereby realizing the discharge of the wastewater in the wastewater injection pipe 3 into the wastewater cooling pool 1.

[0065] Among them, the discharge speed of the wastewater cooling pool 1 is relatively fast. After the wastewater injection pipe 3 is closed by the automatic water injection switch valve 4, the discharge of the wastewater cooling pool 1 is completed. At this time, the wastewater in the wastewater injection pipe 3 has not yet reached the time for discharge, thereby ensuring the orderly injection and discharge of wastewater.

[0066] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered in all respects as exemplary and non-restrictive, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all changes within the meaning and range of equivalents of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A safety monitoring device for a chemical wastewater cooling pool during water filling, characterized in that: It comprises a water injection closing monitoring device (2) vertically arranged on the inner wall of the wastewater cooling pool (1); and it also comprises an automatic water injection switch valve (4) arranged at the edge of the wastewater cooling pool (1) and corresponding to the location of the wastewater injection pipe (3); The water injection closing monitoring device (2) is internally equipped with a float (5), and guide blocks (6) are fixed on both sides of the float (5). The guide blocks (6) are always located in guide communication grooves (7) provided on both sides of the water injection closing monitoring device (2), and a vertically arranged trigger column (8) is fixed on the upper surface of the float (5); An adjustment seat (9) is detachably mounted above the water injection closing monitoring device (2), and a plurality of evenly distributed positioning holes (10) are provided above the adjustment seat (9). The adjustment seat (9) is fixed to the water injection closing monitoring device (2) by arranging bolts (11) in the positioning holes (10). A converter (12) is fixed to the upper surface of the adjustment seat (9), and a fixed trigger piece (14) is fixed to the lower surface of the adjustment seat (9) via a work frame (13). A guide frame (16) is mounted on one side of the adjustment seat (9) via a vertically arranged guide shaft (15), wherein a spring (17) is embedded on the guide shaft (15), and a movable trigger piece (18) corresponding to the fixed trigger piece (14) is also fixed to the guide frame (16); Wherein, the fixed trigger piece 1 (14) and the movable trigger piece 1 (18) are both conductive bodies, and both are connected to the switch of the converter (12) through a circuit; An annular slide seat 1 (19) is fixed above the automatic water injection switch valve (4), a lifting seat (21) is slidably mounted in the annular slide seat 1 (19) via a slider 1 (20), an annular gear row (22) is fixed on the outside of the lifting seat (21), a gear (23) is always meshed on one side of the annular gear row (22), the gear (23) is in contact with the rotating shaft of the motor (24) at the bottom, a forward switch (25) is connected to one side of the motor (24), a vertically arranged lifting screw (26) is meshed inside the lifting seat (21) via a thread, a vertically arranged push rod (27) is arranged directly below the lifting screw (26), an annular slide seat 2 (28) is arranged on the push rod (27), the annular slide seat 2 (28) is connected to the bottom of the lifting screw (26) via a slider 2 (29), and a switch valve core (30) located in the wastewater injection pipe (3) is arranged below the push rod (27); The inner side of the switch valve core (30) is provided with an avoidance chamber (31), and a second float (32) is installed in the avoidance chamber (31). A second guide block (33) is connected to one side of the second float (32), and the second guide block (33) passes through a vertically fixed lifting shaft (34). A second vertically arranged trigger column (42) is fixed on the upper surface of the second float (32); A reverse switch (35) is also provided on one side of the motor (24), and a fixed trigger piece (37) is fixed next to the reverse switch (35) via a second work frame (36), and a guide frame (39) is installed on one side of the second work frame (36) via a second vertically arranged guide shaft (38), wherein a second spring (40) is embedded on the second guide frame (39), and a movable trigger piece (41) corresponding to the fixed trigger piece (37) is also fixed on the second guide shaft (38); The second fixed trigger piece (37) and the second movable trigger piece (41) are both conductive bodies, and both are connected to the reverse switch (35) through a circuit. The converter (12) is connected to the forward switches (25) of all motors (24) through lines respectively; The first float (5) and the second float (32) are hollow inside and can always float under the buoyancy of water; Wherein, under the action of buoyancy, the float 1 (5) can abut against the bottom of the movable trigger piece 1 (18) through the trigger column 1 (8), and at this time, the elastic force of the spring 1 (17) can be overcome, and then the movable trigger piece 1 (18) contacts the fixed trigger piece 1 (14), and at this time, the switch of the converter (12) is in a closed loop; Wherein, under the action of buoyancy, the second float (32) can abut against the bottom of the second movable trigger piece (41) through the second trigger column (42), and at this time, the elastic force of the second spring (40) can be overcome, and then the second movable trigger piece (41) contacts the second fixed trigger piece (37), and at this time, the switch of the reverse switch (35) is in a closed loop; The time taken for the wastewater injection pipe (3) to reach the discharge standard is longer than the time taken for the wastewater cooling pool (1) to be completely discharged.

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