CN212451052U

CN212451052U - Cooling tower level four water purification circulation system

Info

Publication number: CN212451052U
Application number: CN202020601325.6U
Authority: CN
Inventors: 朴大星; 孟超
Original assignee: Xinyuan Dalian Automotive Parts Co ltd
Current assignee: Xinyuan Dalian Automotive Parts Co ltd
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2021-02-02
Anticipated expiration: 2030-04-21

Abstract

The utility model discloses a cooling tower level four water purification circulation system, concretely relates to environmental protection field, including cooling tower, circulation treatment pipeline and cyclic utilization pipeline, the top of cooling tower is installed and is condensed a bracing piece, the cover that condenses of vapor, and the output of circulation treatment pipeline is connected with sedimentation tank, purification filter, and purification filter's inside is equipped with coarse filtration pond, electrophoresis cell and biological filter, and the internally mounted of electrophoresis cell has electrophoresis adsorption storehouse, negative plate and stealthily dirty pump, and the internally mounted in electrophoresis adsorption storehouse has the positive plate. The utility model discloses an utilize sediment filtering pond and purification filter to realize depositing, colating, electrophoresis adsorption and the level four purification of carefully straining circulating condensate water, easily and the ionization ion filters the absorption to various particle impurity in the water, detach a large amount of impurity in the aquatic, prevent that impurity from causing the jam damage to circulating pump group and steam turbine cooling tube in the water, improve the life of cooling tower condensate water circulating structure and steam turbine, reduce maintenance work volume.

Description

Cooling tower level four water purification circulation system

Technical Field

The utility model relates to an environmental protection technology field, more specifically says, the utility model specifically is a cooling tower level four water purification circulation system.

Background

The coal resources of China are mostly distributed in northwest areas such as Shaanxi, inner Mongolia, Shanxi, Xinjiang and the like, generally speaking, thermal power plants are built in areas with abundant coal resources and the periphery of the areas with abundant coal resources based on the reasons of saving coal transportation cost, avoiding environmental pollution caused by transportation and the like, water resources of the areas with abundant coal resources are poor, the evaporation capacity of cooling water is very large for water cooling units widely adopted in the thermal power plants, the evaporated water generated by cooling is recycled and secondarily put into use through a water vapor condensation cover and a condensed water collecting tray to achieve recycling, the water resources used for steam turbine steam exhaust cooling are recycled, the problem of water resource waste is effectively solved, the current situation of local water resource shortage is alleviated, and certain positive influence is generated.

But the present cooling tower circulation system is through the steam condensation cover and the condensate water catch tray retrieve the condensate water and reach the purpose of circulation utilization, but the condensate water wraps up in and is taken in a large amount of particle impurity, for carrying out effectual purification, in long-term the use, because the continuous circulation of steam leads to a large amount of particle impurity of accumulation in circulating pump package and the steam turbine cooling tube, long-term the accumulation forms the mud dirt, the normal use of circulating pump package and steam turbine has seriously been influenced, lead to the damage of the inside accurate subassembly of steam turbine even, and the water pH value is acid along with the increase of sulphide reduces gradually, cause serious corruption to the unit and cause huge loss for the enterprise.

Therefore, it is highly desirable to provide a four-stage clean water circulation system for a cooling tower.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above defects in the prior art, the embodiment of the utility model provides a cooling tower four-stage water purification circulation system, which utilizes a precipitation filter and a purification filter to realize four-stage purification of precipitation, rough filtration, electrophoretic adsorption and fine filtration of circulating condensate water by arranging a four-stage water purification mechanism, and filters and adsorbs various particle impurities and ionized ions in a water body; in addition, through the arrangement of the electrophoresis adsorption bin and the electrophoresis separation structure, free acid radical ions in the water body are separated by utilizing the separated positive and negative electrode plates, and are adsorbed and collected through the electrophoresis adsorption bin, so that the problems in the background art are solved.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cooling tower level four water purification circulation system, includes cooling tower, circulation treatment pipeline and cyclic utilization pipeline, the top fixed mounting of cooling tower has the cover bracing piece that condenses, the top fixed mounting that condenses the cover bracing piece has the steam to condense the cover, the edge welding of steam cover bottom that condenses has annular water catch bowl, the bottom fixed mounting of cooling tower has the condensate water catch tray, the tip and the one end fixed connection of circulation treatment pipeline of condensate water catch tray and annular water catch bowl, the circulation treatment pipeline installs the circulating pump with the fixed surface of cyclic utilization pipeline, the output fixedly connected with sedimentation filter of circulation treatment pipeline, sedimentation filter's inside fixed mounting has the liquid level overflow pipe, the other end fixedly connected with purification filter of liquid level overflow pipe, purification filter's inside is equipped with coarse filter, swimming pool and biological filter, the inside fixed mounting of coarse strainer has fibre formula filter material net group, the inside fixed mounting of electrophoresis pond has electrophoresis adsorption storehouse, negative plate and stealthily dirty pump, stealthily dirty pump's output fixedly connected with is located the inside MBR biomembrane group of biological filter, the input fixedly connected with fan of MBR biomembrane group, the inside fixed mounting in electrophoresis adsorption storehouse has the positive plate.

In a preferred embodiment, the end of the liquid level overflow pipe is fixedly connected with the input end of the fiber type filter material net group, the outer side of the liquid level overflow pipe is fixedly provided with a booster pump, the output end of the fiber type filter material net group is communicated with the inner cavity of the electrophoresis cell, and one end of the biological filter is fixedly connected with the end of the recycling pipeline.

In a preferred embodiment, the electrophoresis adsorption bin and the negative plate are respectively positioned at the upper side and the lower side of the inner cavity of the electrophoresis cell, and the ends of the electrophoresis adsorption bin and the positive plate are electrically connected with a current generator.

In a preferred embodiment, the electrophoresis adsorption bin comprises an adsorption shell, an activated carbon layer and a reaction zinc block, wherein the activated carbon layer and the reaction zinc block are movably clamped inside the adsorption shell, and an adsorption material port located at the bottom end of the activated carbon layer is formed in the bottom surface of the adsorption shell.

In a preferred embodiment, a circulation net cage is fixedly installed inside the sedimentation filter, the circulation net cage is sleeved at the end of a circulation treatment pipeline, one end of the liquid level overflow pipe is fixedly connected with an overflow disc, the overflow disc is horizontally arranged, and the circulation treatment pipeline and the overflow disc are located inside the sedimentation filter and close to the top surface of the sedimentation filter.

In a preferred embodiment, the output ends of the submersible sewage pump and the fan are fixedly connected with the input end of an MBR (membrane bioreactor) biological membrane group, the fan is a Roots fan, and the MBR biological membrane group is a PVDF (polyvinylidene fluoride) immersion flat membrane group.

In a preferred embodiment, the fiber type filter material net group comprises a fixed bin body, a plurality of cavity layers and a fiber filter material layer are sequentially and alternately arranged inside the fixed bin body from left to right, comet type fiber filter materials are filled inside the fiber filter material layer, backwashing pipelines are arranged on the upper side and the lower side of the fixed bin body, and valves are fixedly arranged on the outer sides of the backwashing pipelines.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a set up level four water purification mechanism, utilize precipitation filter and purification filter to realize the level four purification to circulating condensate water precipitation, colating, electrophoresis adsorption and fine filtration, easily filter and adsorb various particle impurity and ionization ion in the water, remove a large amount of impurity in the water, prevent that impurity in the water from causing the damage of blocking to circulating pump group and steam turbine cooling tube, improve the life of cooling tower condensate water circulation structure and steam turbine, reduce the maintenance work volume;

2. the utility model discloses a set up electrophoresis and adsorb storehouse and electrophoresis separation structure, utilize the positive negative plate of dividing the establishment to separate free acid radical ion in with the water to adsorb through the electrophoresis and collect in the storehouse, improve the pH value of comdenstion water, make it present the neutrality, prevent to cause the corruption to the inside accurate subassembly of steam turbine, improve the protection to the steam turbine.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is the internal structure schematic diagram of the sedimentation filter and the purification filter of the utility model.

Fig. 3 is a schematic view of the structure of the fiber type filter material net set of the present invention.

Fig. 4 is the schematic diagram of the internal structure of the electrophoresis adsorption bin of the present invention.

The reference signs are: 1. a cooling tower; 2. a condensed water collection tray; 3. a condensation cover support bar; 4. a water vapor condensation hood; 5. an annular water collection tank; 6. a circulation treatment pipeline; 7. a recycling pipeline; 8. a sedimentation filter; 9. a purifying filter; 10. a fibrous filter material net set; 11. an electrophoresis adsorption bin; 12. a negative plate; 13. a submersible sewage pump; 14. MBR biological membrane group; 15. a fan; 16. a positive plate; 81. a circulating net cage; 82. a liquid level overflow pipe; 83. an overflow pan; 84. a booster pump; 91. a coarse filtration tank; 92. an electrophoresis cell; 93. a biological filter; 101. fixing a bin body; 102. a cavity layer; 103. a fiber filter material layer; 104. back flushing the pipeline; 111. an adsorption housing; 112. an adsorption material port; 113. an activated carbon layer; 114. and (4) reacting the zinc blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

1-4, a cooling tower four-stage water purification circulation system, comprising a cooling tower 1, a circulation processing pipeline 6 and a circulation utilization pipeline 7, wherein a condensation cover supporting rod 3 is fixedly installed at the top end of the cooling tower 1, a steam condensation cover 4 is fixedly installed at the top end of the condensation cover supporting rod 3, an annular water collecting tank 5 is welded at the edge of the bottom end of the steam condensation cover 4, a condensation water collecting tray 2 is fixedly installed at the bottom end of the cooling tower 1, the end parts of the condensation water collecting tray 2 and the annular water collecting tank 5 are fixedly connected with one end of the circulation processing pipeline 6, a circulation pump is fixedly installed on the surface of the circulation processing pipeline 6 and the circulation utilization pipeline 7, a sedimentation filter 8 is fixedly connected at the output end of the circulation processing pipeline 6, a liquid level overflow pipe 82 is fixedly installed inside the sedimentation filter 8, a purification filter 9 is fixedly connected at the other end of the liquid level overflow, Electrophoresis tank 92 and biological filter 93, the inside fixed mounting of coarse filter 91 has fibre formula filter material net group 10, the inside fixed mounting of electrophoresis tank 92 has electrophoresis adsorption storehouse 11, negative plate 12 and stealthily dirty pump 13, stealthily dirty pump 13's output end fixed connection has the MBR biomembrane group 14 that is located biological filter 93 inside, MBR biomembrane group 14's input fixedly connected with fan 15, the inside fixed mounting in electrophoresis adsorption storehouse 11 has positive plate 16.

The implementation mode is specifically as follows: by arranging the four-stage water purification mechanism, the four-stage purification of circulating condensed water sedimentation, rough filtration, electrophoretic adsorption and fine filtration is realized by utilizing the sedimentation filter 8 and the purification filter 9, various particle impurities and ionized ions in the water body are easily filtered and adsorbed, a large amount of impurities in the water are removed, the blocking damage of the impurities in the water body to a circulating pump group and a cooling pipeline of a steam turbine is prevented, the service lives of a condensed water circulating structure of a cooling tower and the steam turbine are prolonged, and the maintenance workload is reduced; additionally, the utility model discloses a set up electrophoresis and adsorb storehouse 11 and electrophoresis separation structure, utilize the positive negative plate of dividing the setting to separate free acid radical ion in with the water to adsorb through electrophoresis absorption storehouse 11 and collect, improve the pH value of comdenstion water, make it present the neutrality, prevent to cause the corruption to the inside accurate subassembly of steam turbine, improve the protection to the steam turbine.

Wherein, liquid level overflow pipe 82's tip and the input fixed connection of fibre formula filter material net group 10, liquid level overflow pipe 82's outside fixed mounting has booster pump 84, and the output of fibre formula filter material net group 10 is linked together with the inner chamber of electrophoresis cell 92, and the one end and the cyclic utilization pipeline 7's of biological filter 93 tip fixed connection, booster pump 84's model are MHI403 type, realize the multistage evolution of water, improve the evolution effect.

Wherein, electrophoresis adsorption storehouse 11 and negative plate 12 are located the upper and lower both sides of electrophoresis 92 inner chamber respectively, and the tip electric connection of electrophoresis adsorption storehouse 11 and positive plate 16 has current generator, realizes the electrophoretic separation.

The electrophoresis adsorption bin 11 comprises an adsorption shell 111, an activated carbon layer 113 and a reaction zinc block 114, the activated carbon layer 113 and the reaction zinc block 114 are movably clamped inside the adsorption shell 111, the bottom surface of the adsorption shell 111 is provided with an adsorption material port 112 located at the bottom end of the activated carbon layer 113, and the reaction zinc block 114 reacts with acid radical ions in a water body to separate out and be adsorbed by the activated carbon layer 113 so as to neutralize the pH value.

Wherein, the inside fixed mounting of sedimentation filter 8 has the circulation box with a net 81, and the circulation box with a net 81 cup joints in the tip of circulation treatment pipe 6, and the one end fixedly connected with overflow dish 83 of liquid level overflow pipe 82, overflow dish 83 are horizontal arrangement, and circulation treatment pipe 6, overflow dish 83 are located the inside of sedimentation filter 8 and are close to the top surface of sedimentation filter 8 for the supernatant of separation sedimentation filter 8.

Wherein, stealthily dirty pump 13 and fan 15's output and MBR biomembrane group 14's input fixed connection, fan 15 are the roots's fan, and MBR biomembrane group 14 is PVDF immersion flat membrane group, and fan 15's model is ZFSR50 type for carry out the biomembrane and filter, further improve the filter effect.

The fiber type filter material net group 10 comprises a fixed bin body 101, a plurality of cavity layers 102 and a fiber filter material layer 103 are sequentially and alternately arranged inside the fixed bin body 101 from left to right, comet type fiber filter materials are filled inside the fiber filter material layer 103, backwashing pipelines 104 are arranged on the upper side and the lower side of the fixed bin body 101, valves are fixedly arranged on the outer sides of the backwashing pipelines 104, coarse filtration of a water body is achieved, the content of particle impurities in the water body is reduced, and the backwashing pipelines 104 are convenient to maintain and clean.

The utility model discloses the theory of operation:

the first step is as follows: installing a sedimentation filter 8 and a purification filter 9 in a condensate water circulating pipeline of a cooling tower 1, adding zinc blocks and activated carbon particles in an electrophoresis adsorption bin 11, connecting a circuit of a negative plate 12 and a positive plate 16 and a pipeline structure of an MBR (membrane bioreactor) biofilm group 14 to start using, condensing water vapor of the cooling tower 1 through a water vapor condensation cover 4, and enabling the water vapor to flow into the sedimentation filter 8 pumped by a circulating treatment pipeline 6 in a condensate water collecting tray 2 and an annular water collecting tank 5;

the second step is that: then the water enters the sedimentation filter 8 for sedimentation, after the water level in the sedimentation filter 8 is higher than the top surface of the overflow disc 83, the water is pumped into the fiber type filter material net group 10 through the liquid level overflow pipe 82 and the booster pump 84 and is filtered through the multi-layer fiber filter material layer 103, then the water enters the swimming pool 92 under the attraction of the negative plate 12 and the positive plate 16, a large amount of metal ions approach to the negative plate 12 due to ionization, and acid radical ions approach to the positive plate 16 and enter the electrophoresis adsorption bin 11, react with the reaction zinc block 114 and are adsorbed by the activated carbon layer 113, so that the removal of acid ions of the water body is realized, the purpose of adjusting the pH value is achieved, then the water is pumped into the MBR group 14 through the submersible sewage pump 13 under the filtration of the MBR group 14, the particulate impurities in the water body are further removed, after the water body is evolved, the water body enters the cooling tower 1 again

The third step: in the maintenance stage, the fiber type filter material net group 10 is backwashed, the activated carbon layer 113 and the reaction zinc block 114 in the electrophoresis adsorption bin 11 are replaced, and the MBR biological membrane group 14 is cleaned, so that the maintenance is simple, and the maintenance workload is reduced.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a cooling tower level four water purification circulation system, includes cooling tower (1), cyclic processing pipeline (6) and cyclic utilization pipeline (7), the top fixed mounting of cooling tower (1) has the cover bracing piece (3) of condensing, the top fixed mounting of the cover bracing piece of condensing (3) has steam cover (4) of condensing, the marginal weld of steam cover (4) bottom of condensing has annular water catch bowl (5), the bottom fixed mounting of cooling tower (1) has condensate water catch tray (2), the tip of condensate water catch tray (2) and annular water catch bowl (5) and the one end fixed connection of cyclic processing pipeline (6), cyclic processing pipeline (6) and the fixed surface of cyclic utilization pipeline (7) install the circulating pump, its characterized in that: the output end of the circulating treatment pipeline (6) is fixedly connected with a sedimentation filter (8), a liquid level overflow pipe (82) is fixedly arranged in the sedimentation filter (8), the other end of the liquid level overflow pipe (82) is fixedly connected with a purification filter (9), a coarse filter tank (91), an electrophoresis tank (92) and a biological filter tank (93) are arranged in the purification filter tank (9), a fiber type filter material net group (10) is fixedly arranged inside the coarse filter tank (91), an electrophoresis adsorption bin (11), a negative plate (12) and a submersible sewage pump (13) are fixedly arranged in the electrophoresis tank (92), the output end of the submersible sewage pump (13) is fixedly connected with an MBR biological membrane group (14) positioned in the biological filter (93), the input end of the MBR biological membrane group (14) is fixedly connected with a fan (15), and a positive plate (16) is fixedly arranged in the electrophoresis adsorption bin (11).

2. The four-stage water purification cycle system of the cooling tower as claimed in claim 1, wherein: the input fixed connection of tip and fibre formula filter material net system (10) of liquid level overflow pipe (82), the outside fixed mounting of liquid level overflow pipe (82) has booster pump (84), the output of fibre formula filter material net system (10) is linked together with the inner chamber of electrophoresis cell (92), the one end and the cyclic utilization of the tip fixed connection of pipeline (7) of biological filter (93).

3. The four-stage water purification cycle system of the cooling tower as claimed in claim 1, wherein: electrophoresis adsorbs storehouse (11) and negative plate (12) are located the upper and lower both sides of electrophoresis cell (92) inner chamber respectively, the tip electric connection of electrophoresis adsorption storehouse (11) and positive plate (16) has current generator.

4. The four-stage water purification cycle system of the cooling tower as claimed in claim 1, wherein: electrophoresis adsorbs including adsorbing casing (111), activated carbon layer (113) and reaction zinc piece (114) in storehouse (11), activated carbon layer (113) and reaction zinc piece (114) activity joint in the inside of adsorbing casing (111), adsorption material mouth (112) that are located activated carbon layer (113) bottom are seted up to the bottom surface of adsorbing casing (111).

5. The four-stage water purification cycle system of the cooling tower as claimed in claim 1, wherein: the inside fixed mounting of sedimentation filter (8) has circulation box with a net (81), circulation box with a net (81) cup joints in the tip of circulation treatment pipeline (6), the one end fixedly connected with overflow dish (83) of liquid level overflow pipe (82), overflow dish (83) are the level and arrange, circulation treatment pipeline (6), overflow dish (83) are located the inside of sedimentation filter (8) and are close to the top surface of sedimentation filter (8).

6. The four-stage water purification cycle system of the cooling tower as claimed in claim 1, wherein: the output ends of the submersible sewage pump (13) and the fan (15) are fixedly connected with the input end of the MBR biological membrane group (14), the fan (15) is a Roots fan, and the MBR biological membrane group (14) is a PVDF immersion type flat membrane group.

7. The four-stage water purification cycle system of the cooling tower as claimed in claim 1, wherein: the fiber type filter material net group (10) comprises a fixed bin body (101), a plurality of cavity layers (102) and a fiber filter material layer (103) are sequentially and alternately arranged inside the fixed bin body (101) from left to right, comet type fiber filter materials are filled inside the fiber filter material layer (103), backwashing pipelines (104) are arranged on the upper side and the lower side of the fixed bin body (101), and valves are fixedly arranged on the outer sides of the backwashing pipelines (104).