Circulating water treatment device of high-position water collection type cooling tower

Abstract

A circulating water treatment device for a high-level water collection type cooling tower relates to the technical field of water treatment and adopts the technical scheme that the circulating water treatment device comprises an electromagnetic wave excitation device, the electromagnetic wave excitation device is electrically connected with a plurality of groups of multi-section emitting devices arranged in a water tank, and a water flow buffer is arranged at the end part of each multi-section emitting device; the water flow buffer is connected with the electromagnetic wave emitter support. The device is reasonable in structure, and is used for solving the problems of scaling and corrosion in a water tank or a diversion canal; through different wiring modes of the signal distributor and a combination mode of transmitters of various models, the signal distributor can be applied to cooling towers in different scenes, and it is ensured that the electromagnetic wave transmitters can be immersed in circulating water under any condition and keep stable. The high-intensity magnetic field in the circulating water cannot influence the corrosion and scale inhibition effect due to the water level drop or water quality change of the cooling tower, and the maximum manufacturing and installation standardization can be realized.

Description

Technical Field

[0001] The utility model relates to the technical field of water treatment, in particular to a high-position water collection type cooling tower circulating water treatment device. Background Art

[0002] In the circulating cooling water system of power plants, there are two types of water collection methods for cooling towers: high-level water collection and low-level water collection. The high-level water collection cooling tower has a large water collection tank span, high water level, large water flow impact, and more turbulence; usually a complete set of maintenance procedures is required to effectively control scaling and corrosion. The current market solution is still mainly chemical agents.

[0003] The main disadvantages of the chemical agent method include: the chemicals of many water treatment agents are classified as hazardous substances and need to be operated by trained full-time personnel to deal with chemical leaks or exposure incidents; the amount of agent added cannot be accurately controlled, and the agent is often insufficient or excessive, affecting the treatment effect; the agent itself enters the circulating water system, causing chemical scaling; the controllable circulating water concentration multiple is low, and large amounts of sewage discharge cause waste of water resources; direct discharge into the water body causes water environment pollution, destroys the ecological balance, causes eutrophication of the water body, and reduces or dies the irrigated crops. Utility Model Content

[0004] In view of the problems existing in the chemical agent method in the prior art solution, the utility model provides a high-position water collection type cooling tower circulating water treatment device.

[0005] The utility model provides the following technical solution: a high-position water collection type cooling tower circulating water treatment device, comprising an electromagnetic wave excitation device, the electromagnetic wave excitation device is electrically connected to a plurality of groups of multi-section emitting devices placed in a water pool, a water flow buffer is arranged at the end of the multi-section emitting device, and the water flow buffer is connected to an electromagnetic wave emitter bracket; the multi-section emitting device comprises a plurality of electromagnetic wave emitters, a connecting pipe arranged between two adjacent electromagnetic wave emitters, the two adjacent electromagnetic wave emitters are detachably connected along the length direction of the electromagnetic wave emitters through the connecting pipe, the electromagnetic wave emitter comprises a threading tube, the threading tube is provided with an emitting electrode, the emitting electrode is electrically connected with a cable, and the cable is arranged in the threading tube.

[0006] Preferably, the transmitting electrode is a MMO electrode arranged outside the threading tube, and an upper locking buckle and a lower locking buckle are respectively provided at both ends of the MMO electrode, and the upper locking buckle and the lower locking buckle are connected to the threading tube.

[0007] Preferably, the transmitting electrode is a coil electrode arranged in the threading tube.

[0008] Preferably, the multi-section launching device further comprises a mounting sleeve arranged at one end of the multi-section launching device facing the water flow buffer and a plug arranged at the other end of the multi-section launching device, and the connecting pipe, mounting sleeve and plug are all threadedly connected to the threading pipe.

[0009] Preferably, the connecting tube is a telescopic bellows, and both ends of the telescopic bellows are threadedly connected to the threading tube.

[0010] Preferably, the electromagnetic wave transmitter bracket is one of a cross-type bracket, a cantilever bracket, and a sinking anchor bracket.

[0011] Preferably, the water flow buffer comprises a clamp provided on the threading tube and at least one buffer rod connected between the clamp and the electromagnetic wave transmitter bracket.

[0012] Preferably, a plurality of said multi-segmented transmitting devices are arranged in pairs.

[0013] Preferably, the cables of the plurality of electromagnetic wave transmitters arranged on the same electromagnetic wave transmitter bracket are all electrically connected to a signal distributor, and the signal distributor is electrically connected to the electromagnetic wave excitation device.

[0014] Preferably, the electromagnetic wave excitation device also includes an electrical control box, a power module, a printed circuit board, a data acquisition system, and a remote monitoring system. The power module outputs a DC voltage of 5V~60V. The electromagnetic wave excitation device forms an electromagnetic field with a sine wave, a triangular wave or a square wave. The frequency range of the electromagnetic wave is 100Hz~50000Hz, and the scanning frequency is 0.1Hz~100Hz.

[0015] The beneficial effects of the utility model are as follows: the high-position water collection cooling tower circulating water treatment device of the utility model has a reasonable structure. The device can be placed in a water pool or a water diversion channel to deal with scaling and corrosion problems in the water pool or the water diversion channel; through different wiring modes of the signal distributor and a combination of multiple types of transmitters, it can be applied to cooling towers in different scenarios, ensuring that the electromagnetic wave transmitter can be immersed in the circulating water and remain stable under any circumstances, so that the strong magnetic field in the circulating water will not affect the corrosion and scale inhibition effect due to the drop in the water level of the cooling tower, and the maximum manufacturing and installation standardization can be achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of an embodiment of the utility model.

[0017] Figure 2 It is a schematic diagram of the first embodiment of the multi-segment launcher.

[0018] Figure 3The figure is a working principle diagram of an embodiment of the utility model.

[0019] Figure 4 It is a schematic diagram of a second embodiment of a multi-segment launcher.

[0020] Figure 5 It is a schematic diagram of the third embodiment of the multi-segment launcher.

[0021] Figure numerals: 1. electromagnetic wave excitation device; 11. power module; 12. printed circuit board; 13. data acquisition system; 131. AC current transformer; 132. programmable logic controller; 133. display; 134. gateway; 14. remote monitoring system; 15. circuit breaker; 2. electromagnetic wave transmitter bracket; 3. water flow buffer; 31. clamp; 32. buffer rod; 4. multi-section transmitting device; 41. electromagnetic wave transmitter; 411. wire tube; 412. transmitting electrode; 413. cable; 414. upper lock buckle; 415. lower lock buckle; 42. connecting pipe; 43. installation sleeve; 5. signal distributor. DETAILED DESCRIPTION

[0022] The following is a more detailed description of the implementation of the utility model in conjunction with the drawings and the figure marks, so that those skilled in the art can implement it after reading this specification. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not used to limit the utility model.

[0023] Example 1

[0024] The utility model provides Figure 1-3 A high-level water collection cooling tower circulating water treatment device is shown, comprising an electromagnetic wave excitation device 1, wherein the electromagnetic wave excitation device 1 is electrically connected to a plurality of groups of multi-sectioned transmitting devices 4 placed in a water pool, and a water flow buffer 3 is arranged at the end of the multi-sectioned transmitting device 4, and the water flow buffer 3 is connected to the electromagnetic wave transmitter bracket 2.

[0025] The electromagnetic wave transmitter bracket 2 can be a cross-type bracket, a cantilever bracket, or a sinking anchor bracket. Figure 1 As shown, the electromagnetic wave transmitter bracket 2 spans across the pool, and its two ends are respectively fixed to the two side walls of the cooling water pool with bolts, and multiple water flow buffers 3 and multi-section transmitting devices 4 are arranged in sequence along the length direction of the electromagnetic wave transmitter bracket 2. The cantilever bracket is that one end of the electromagnetic wave transmitter bracket 2 is bolted to one side wall of the cooling water pool. The sinking anchor bracket is that the electromagnetic wave transmitter bracket 2 is bolted to the bottom of the cooling water pool. Multiple electromagnetic wave transmitter brackets 2 can be arranged in parallel, so that multiple multi-section transmitting devices 4 are arranged in an array. Furthermore, the total number of multi-section transmitting devices 4 is an even number, so that multiple multi-section transmitting devices 4 are arranged in pairs.

[0026] The water flow buffer 3 includes a clamp 31 disposed on the threading tube 411 and at least one buffer rod 32 connected between the clamp 31 and the electromagnetic wave transmitter bracket 2. The buffer rod 32 buffers the impact force of the water flow on the multi-section transmitting device 4 to prevent the multi-section transmitting device 4 from breaking. Figure 1 , 2 The multi-section transmitting device 4 is connected to the electromagnetic wave transmitting device bracket 2 through a single buffer rod 32. The buffer rod 32 is an elastic long strip structure, one end of which is provided with a waist-shaped hole, which is bolted to the electromagnetic wave transmitting device bracket 2, and the other end is bolted with a clamp 31 to fix the threading tube 411 of the multi-section transmitting device 4. In other embodiments, please refer to Figure 4 , 5 The number of buffer rods 32 can also be 2, 4 or other numbers. The buffer rods 32 adopt buffer damping rods. Multiple buffer rods 32 are evenly distributed around the clamp 31, and their two ends are respectively hinged to the clamp 31 and the electromagnetic wave transmitter bracket 2 to cope with the impact of water flow in different directions on the multi-section transmitting device 4.

[0027] The multi-segmented transmitting device 4 includes a plurality of electromagnetic wave transmitters 41. The electromagnetic wave transmitter 41 includes a threading tube 411, a transmitting electrode 412 disposed on the threading tube 411, and a cable 413 electrically connected to the transmitting electrode 412, wherein the cable 413 is disposed in the threading tube 411. When the electromagnetic wave transmitter 41 is placed in water, the generated time-varying pulse electromagnetic wave can effectively impart energy to the water, and the water can respond well to the wave. The physical properties exhibited by the electromagnetic wave transmitter can effectively control the scaling and corrosion problems commonly seen in water treatment, and the electromagnetic wave transmitter has the characteristics of high efficiency, low energy consumption and environmental protection.

[0028] In this embodiment, the emitting electrode 412 is a MMO electrode disposed outside the threading tube 411, and an upper locking buckle 414 and a lower locking buckle 415 are respectively disposed at both ends of the MMO electrode, and the upper locking buckle 414 and the lower locking buckle 415 are connected to the threading tube 411. The upper locking buckle 414 and the lower locking buckle 415 are both hollow structures, and the emitting electrode can be fixed by a cable gland, and both are provided with threading holes for the cable 413 to pass through at positions corresponding to each other with the threading tube 411.

[0029] The multi-section transmitting device 4 also includes a connecting pipe 42 arranged between two adjacent electromagnetic wave transmitters 41, a mounting sleeve 43 arranged at one end of the multi-section transmitting device 4 facing the water flow buffer 3, and a plug arranged at the other end of the multi-section transmitting device 4, and the two adjacent electromagnetic wave transmitters 41 are detachably connected along the length direction of the electromagnetic wave transmitter 41 through the connecting pipe 42. In this embodiment, both ends of the connecting pipe 42 are threaded joints, the threading tube 411 is threadedly connected to the connecting pipe 42, and the cable 413 passes through the inside of the connecting pipe 42. The mounting sleeve 43 and the plug are also threadedly connected to the threading tube 411, and the mounting sleeve 43 and the plug are respectively arranged at both ends of the multi-section transmitting device 4 to close its two ends, and the mounting sleeve 43 is also provided with a gland, and the cable 413 is led out from the gland. In other embodiments, the connecting pipe 42 can also adopt a telescopic bellows, which has a certain buffering effect and can adjust the distance between two adjacent electromagnetic wave transmitters 41.

[0030] In actual use, the number of electromagnetic wave transmitters 41 in the multi-section transmitting device 4 can be determined according to the depth of the water pool. Multiple electromagnetic wave transmitters 41 are connected in sequence along the length direction and placed in the water pool to fully cover the cooling water. Regardless of the water level in the water pool, the electromagnetic wave transmitters are ensured to be immersed in the circulating water, so that the strong magnetic field in the circulating water will not weaken or disappear due to the drop in water level, thereby affecting the corrosion and scale inhibition effect.

[0031] The cables 413 of the multiple electromagnetic wave transmitters arranged on the same electromagnetic wave transmitter bracket 2 are all electrically connected to the signal distributor 5, and the signal distributor 5 is further electrically connected to the electromagnetic wave excitation device 1, thereby reducing the number of cables connected to the electromagnetic wave excitation device 1. According to the use requirements, the multiple electromagnetic wave transmitters 41 can be connected in series, in parallel, or in a mixed manner of series and parallel.

[0032] Please refer to Figure 3 The electromagnetic wave excitation device 1 includes a power module 11, a printed circuit board 12, a data acquisition system 13, and a remote monitoring system 14. The power module 11 adopts a DC power module, and the output DC voltage is 5V~60V. The electromagnetic wave formed by the electromagnetic wave excitation device 1 is a sine wave, a triangle wave or a square wave. The frequency range of the electromagnetic wave is 100Hz~50000Hz, and the scanning frequency is 0.1Hz to 100Hz. The data acquisition system 13 includes an AC current transformer 131, a programmable logic controller 132, a display 133, and a gateway 134.

[0033] The power module 11, the printed circuit board 12, and the data acquisition system 13 are fixed on the mounting plate of the electric control box. The power module 11 converts the 220V AC input voltage into a 5V~60V DC voltage to supply power to the printed circuit board 12. The printed circuit board 12 converts the DC power into an alternating current with a DC bias component in a certain frequency range, and the output end is electrically connected to the signal distributor 5 and the electromagnetic wave transmitter 41. The output current signal collected by the AC current transformer 131 is connected to the programmable logic controller 132, and then displayed on the display 133, and can be transmitted to the remote monitoring system 14 through the gateway 134 for remote monitoring. Figure 3 The reference numeral 15 is a circuit breaker, and the remote monitoring system 14 may be a computer or a server.

[0034] The scale inhibition working principle of the utility model is to use electromagnetic waves to directly treat water, forming an ion current superimposed alternating electromagnetic field in the treatment area. Under the action of this electromagnetic field, scale-forming substances, mainly including Ca 2+ Mg 2+ , HCO 3- 、SO4 2- , will be excited and directly combined in water to form calcium and magnesium salts, which will crystallize out in the form of suspended powder and be washed away by the water flow. They can be discharged through the drain valve without forming hard scale on the heated surface in an oversaturated state, thus achieving the purpose of scale inhibition.

[0035] At the same time, under the action of the electromagnetic field of special frequency electromagnetic waves, the solubility of most salts will increase, which not only reduces the scaling risk of scaling substances, but also gradually dissolves the hard scale of salts formed in the system back into the water, further achieving the purpose of descaling. In addition, some highly soluble potassium salts and sodium salts in the water will also be wrapped in insoluble and slightly soluble calcium and magnesium salt crystals due to synergistic effects and precipitate together, thereby reducing the salt content in the water and improving the utilization rate of circulating cooling water. If a 30 micron to 100 micron filter device is added to the circulating cooling water system, a better water-saving effect will be achieved.

[0036] The anti-corrosion principle of the utility model is as follows: when the water flows through the electromagnetic field treatment area, the internal energy increases, which will cause the loose rust layer formed on the steel surface immersed in water or on the inner wall of the pipe to crust and harden, and at the same time form a ferroferric oxide protective layer under the rust layer. This protective layer is dense and stable, similar to a coating, protecting the system from further corrosion. The field emission scanning electron microscope shows that the thickness of the generated ferroferric oxide protective layer is usually only about 30 to 50 microns. This magnetic protective layer is an active layer that can be regenerated and can also be self-repaired. As long as the electromagnetic waves in a specific frequency range directly stimulate the surface or the water treated by this water system continuously flows through its surface. This magnetic protective layer has excellent electrical and thermal conductivity, no material consumption, and can avoid stray current corrosion. At the same time, the cuprous oxide protective layer formed on the surface of the copper material and the chromium trioxide protective layer formed on the surface of the stainless steel material in the circulating water system will also be denser, further alleviating corrosion.

[0037] Example 2

[0038] The utility model provides a high-level water collection type cooling tower circulating water treatment device. Figure 4 , which is different from the first embodiment, the transmitting electrode 412 is a coil electrode disposed in the threading tube 411; the number of the buffer rods 32 is 2, 4 or other numbers, and the buffer rods 32 are buffer damping rods, and multiple buffer rods 32 are evenly distributed around the clamp 31, and their two ends are respectively hinged to the clamp 31 and the electromagnetic wave transmitter bracket 2 to cope with the impact of water flow in different directions on the multi-section transmitting device 4. The coil electrode can refer to the relevant technology, and the material of the coil electrode can be metal or non-metal material, wherein the non-metal material includes plastic, glass fiber, carbon fiber, graphite, etc.

[0039] Example 3

[0040] The utility model provides a high-level water collection type cooling tower circulating water treatment device. Different from the embodiment 2, it includes two electromagnetic wave transmitters using different transmitting electrodes 412, and the two electromagnetic wave transmitters with different transmitting electrodes are connected in sequence. Please refer to Figure 5 One transmitting electrode is a MMO electrode disposed outside the threading tube 411 , and its two ends are fixed to the threading tube 411 through an upper locking buckle 414 and a lower locking buckle 415 respectively; the other transmitting electrode is a coil electrode disposed inside the threading tube 411 .

[0041] The above are one or more embodiments of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A high-level water collection cooling tower circulating water treatment device, characterized in that: It comprises an electromagnetic wave excitation device, the electromagnetic wave excitation device is electrically connected to a plurality of groups of multi-section emitting devices placed in a water pool, a water flow buffer is arranged at the end of the multi-section emitting device, and the water flow buffer is connected to the electromagnetic wave emitter bracket; the multi-section emitting device comprises a plurality of electromagnetic wave emitters, a connecting pipe arranged between two adjacent electromagnetic wave emitters, two adjacent electromagnetic wave emitters are detachably connected along the length direction of the electromagnetic wave emitters through the connecting pipe, and the electromagnetic wave emitter comprises a threading tube, the threading tube is provided with an emitting electrode, the emitting electrode is electrically connected with a cable, and the cable is arranged in the threading tube.

2. A high-level water collection type cooling tower circulating water treatment device according to claim 1, characterized in that: The transmitting electrode is a MMO electrode arranged outside the threading tube, and an upper locking buckle and a lower locking buckle are respectively arranged at both ends of the MMO electrode, and the upper locking buckle and the lower locking buckle are connected to the threading tube.

3. A high-level water collection type cooling tower circulating water treatment device according to claim 1, characterized in that: The transmitting electrode is a coil electrode arranged in the threading tube.

4. A high-level water collection type cooling tower circulating water treatment device according to claim 1, characterized in that: The multi-section launcher also includes a mounting sleeve arranged at one end of the multi-section launcher facing the water flow buffer and a plug arranged at the other end of the multi-section launcher. The connecting pipe, mounting sleeve and plug are all threadedly connected to the threading pipe.

5. A high-level water collection type cooling tower circulating water treatment device according to claim 1, characterized in that: The connecting pipe is a telescopic bellows, and both ends of the telescopic bellows are threadedly connected to the threading pipe.

6. A high-level water collection type cooling tower circulating water treatment device according to claim 1, characterized in that: The electromagnetic wave transmitter bracket is one of a cross-type bracket, a cantilever type bracket, and a sinking anchor type bracket.

7. A high-level water collection type cooling tower circulating water treatment device according to claim 1, characterized in that: The water flow buffer comprises a clamp arranged on the threading tube and at least one buffer rod connected between the clamp and the electromagnetic wave transmitter bracket.

8. The high-level water collection type cooling tower circulating water treatment device according to claim 1, characterized in that: A plurality of the multi-segmented launching devices are arranged in pairs.

9. A high-position water collection type cooling tower circulating water treatment device according to claim 1, characterized in that: The cables of the plurality of electromagnetic wave transmitters arranged on the same electromagnetic wave transmitter bracket are all electrically connected to a signal distributor, and the signal distributor is electrically connected to the electromagnetic wave excitation device.

10. A high-level water collection type cooling tower circulating water treatment device according to claim 1, characterized in that: The electromagnetic wave excitation device also includes an electrical control box, a power module, a printed circuit board, a data acquisition system, and a remote monitoring system. The power module outputs a DC voltage of 5V~60V. The electromagnetic wave excitation device forms an electromagnetic field with a sine wave, a triangle wave or a square wave. The frequency range of the electromagnetic wave is 100Hz~50000Hz, and the scanning frequency is 0.1Hz~100Hz.

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