阅读说明：本技术 一种专用于气浮的新型溶气系统 (Novel dissolved air system special for air floatation ) 是由 陈义 于 2019-11-18 设计创作，主要内容包括：本发明公开了一种专用于气浮的新型溶气系统,包括回流泵、溶气罐和空压机,所述回流泵的出口处固定连接有导管,所述导管的顶端固定连接有连接弯头,所述连接弯头通过连接法兰与溶气罐连通,所述导管的外部靠近底端位置固定安装有第一单向阀。本发明所述的一种专用于气浮的新型溶气系统,通过设置采用过滤减压阀加电磁阀直接控制进气量和溶气罐内压力,确保溶气罐内的气液平衡,消除了传统溶气系统通过液位开关控制溶气罐内液位平衡带来的不稳定性,使系统运行更加精确稳定可靠,通过减震装置的设置,能够在回流泵工作时提供优异的减震功效,减少回流泵因震动与地面产生的碰撞噪音,提高使用的舒适效果。(The invention discloses a novel dissolved air system special for air floatation, which comprises a reflux pump, a dissolved air tank and an air compressor, wherein a guide pipe is fixedly connected at an outlet of the reflux pump, a connecting elbow is fixedly connected at the top end of the guide pipe, the connecting elbow is communicated with the dissolved air tank through a connecting flange, and a first one-way valve is fixedly arranged outside the guide pipe and close to the bottom end. According to the novel air dissolving system special for air floatation, the air inflow and the pressure in the air dissolving tank are directly controlled by adopting the filtering and reducing valve and the electromagnetic valve, so that the gas-liquid balance in the air dissolving tank is ensured, the instability caused by the fact that the traditional air dissolving system controls the liquid level balance in the air dissolving tank through the liquid level switch is eliminated, the system is more accurate, stable and reliable in operation, the excellent damping effect can be provided when the reflux pump works, the collision noise of the reflux pump caused by vibration and the ground is reduced, and the use comfort effect is improved.)

1. The utility model provides a novel air dissolving system who is exclusively used in air supporting which characterized in that: comprises a reflux pump (1), a dissolved air tank (2) and an air compressor (3), wherein an outlet of the reflux pump (1) is fixedly connected with a conduit (4), the top end of the conduit (4) is fixedly connected with a connecting elbow (5), the connecting elbow (5) is communicated with the dissolved air tank (2) through a connecting flange (6), the outside of the conduit (4) is close to a bottom end position fixed mounting and is provided with a first one-way valve (7), the outside of the conduit (4) is close to a top end position fixed mounting and is provided with a gate valve (8), the outside of the dissolved air tank (2) is first close to one side position fixed mounting and is provided with an outlet pipe, the outside of the outlet pipe is fixedly provided with an outlet valve (10), an air inlet port of the dissolved air tank (2) is fixedly connected with an air inlet electromagnetic valve (11) and a second one-way valve (12), the air, dissolve gas cylinder (2) give vent to anger end port fixedly connected with solenoid valve (13) that loses heart, the exit end intercommunication of solenoid valve (13) that loses heart has relief valve (14), the top one side fixed position that dissolves gas cylinder (2) installs second manometer (15), air inlet solenoid valve (11) are connected with through hose (17) and filter relief pressure valve (18), the other end of hose (17) is connected to air compressor machine (3), the inside that dissolves gas cylinder (2) is equipped with accurate jet subassembly (20), the bottom of backwash pump (1) is equipped with damping device (22).

2. The novel dissolved air system special for air floatation according to claim 1 is characterized in that: a connecting pipe is arranged between the connecting elbow (5) and the connecting flange (6), and a first pressure gauge (9) is fixedly mounted at the top of the outside of the connecting pipe.

3. The novel dissolved air system special for air floatation according to claim 1 is characterized in that: air compressor machine (3) and backwash pump (1) are connected with PLC (16) through wire (19), the output of PLC (16) and the input electric connection of air inlet solenoid valve (11), disappointing solenoid valve (13).

4. The novel dissolved air system special for air floatation according to claim 1 is characterized in that: one end of the precise jet flow component (20) is connected with an inlet of the dissolved air tank (2), and the other end of the precise jet flow component (20) is emptied in the dissolved air tank (2).

5. The novel air dissolving system special for air floatation according to claim 4 is characterized in that: the precise jet assembly (20) is characterized in that three groups of flow stabilizing plates (21) are fixedly arranged outside the precise jet assembly, and the number of the flow stabilizing plates (21) is three.

6. The novel dissolved air system special for air floatation according to claim 1 is characterized in that: the damping device (22) comprises a damping seat (23), a connecting seat (24), a first guide frame (25), a first guide rod (26), a first damping spring (27), a second guide frame (28), a second guide rod (29), a second damping spring (30) and a damper (31), the top of the connecting seat (24) is fixedly connected to the bottom of the reflux pump (1), the bottom of the connecting seat (24) is movably connected to the inside of the damping seat (23), the first guide frame (25) is fixedly connected to one side of the bottom of the connecting seat (24), one end of the first guide rod (26) is fixedly installed at one side of the inside of the damping seat (23), the other end of the first guide rod (26) penetrates through the first guide frame (25), the outside of the first damping spring (27) is arranged at the bottom of the first guide frame (25), second leading truck (28) fixed connection is in the bottom other side position of connecting seat (24), the one end fixed mounting of second guide bar (29) is in the inside other side position of shock attenuation seat (23), second leading truck (28) is run through to the other end of second guide bar (29), second damping spring (30) cover is established and is located the bottom position of second leading truck (28) in the outside of second guide bar (29), attenuator (31) set up the bottom position that is located connecting seat (24) in the inside of shock attenuation seat (23).

7. The novel dissolved air system special for air floatation according to claim 1 is characterized in that: damper (31) is including fixing base (32), damping seat (33), damping fin (34), sealing rubber circle (35) and buffer spring (37), the fixed mounting of fixing base (32) is in the inside bottom position of shock attenuation seat (23), the one end movable mounting of damping seat (33) is in the inside of shock attenuation seat (23), damping fin (34) fixed connection is located the inside of shock attenuation seat (23) in the one end of damping seat (33), sealing rubber circle (35) fixed connection is in the inside top position of fixing base (32), buffer spring (37) are placed in the below position that the inside of fixing base (32) is located damping fin (34).

8. The novel dissolved air system special for air floatation according to claim 7 is characterized in that: backflow channels (36) are formed in the upper surface of the damping fin (34), and the number of the backflow channels (36) is three.

9. The novel dissolved air system special for air floatation according to claim 8 is characterized in that: the inside of fixing base (32) is filled with damping oil liquid, the top contact of damping seat (33) is in the bottom of connecting seat (24).

Technical Field

The invention relates to the field of air dissolving systems, in particular to a novel air dissolving system special for air floatation.

Background

The novel dissolved air system specially used for air floatation is a solid-liquid or liquid-liquid separation system used for sewage treatment, and mainly utilizes high-pressure backflow dissolved air water to reduce pressure and produce lots of microbubbles, and make it and solid or liquid microparticles in the waste water have density close to that of water adhere together to form an air floating body whose density is less than that of water, under the action of buoyancy the air floating body can be floated to water surface to make solid-liquid or liquid-liquid separation, and the dissolved air system of the pressurized dissolved air floatation equipment on the market at present can utilize pressurized form to dissolve air in water in the dissolved air tank so as to form dissolved air water, and utilizes the releaser to reduce pressure and release it into water to produce lots of microbubbles, and utilizes the above-mentioned microbubbles to adhere together to make it adhere to the solid or liquid microparticles whose density is close to that of water in the waste water, so as to make the whole density be less than that of water, and make the suspended matters rise to water surface together with microbubbles by means, forming scum to remove suspended floc in water; for guaranteeing the air dissolving effect, the liquid level in the air dissolving tank should keep relatively stable, but the pressurization air dissolving system on the market at present generally adopts liquid level switch to trun into the liquid level signal and turn into opening and stopping of signal of telecommunication through control system control air compressor machine, in order to maintain air-liquid balance in the air dissolving tank, but because the instability and the liquid level control mode of air compressor machine output air pressure itself are complicated, very easily cause the liquid level control failure, the air dissolving efficiency obviously descends, cause equipment can not long-term steady operation, and do not possess the shock attenuation efficiency, can produce higher vibrations in the backwash pump work, the easy noise that produces.

Disclosure of Invention

The invention mainly aims to provide a novel air dissolving system special for air floatation, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention adopts the technical scheme that:

a novel dissolved air system special for air floatation comprises a reflux pump, a dissolved air tank and an air compressor, wherein a conduit is fixedly connected at an outlet of the reflux pump, a connecting elbow is fixedly connected at the top end of the conduit, the connecting elbow is communicated with the dissolved air tank through a connecting flange, a first one-way valve is fixedly installed at the position, close to the bottom end, of the outer part of the conduit, a gate valve is fixedly installed at the position, close to the top end, of the outer part of the dissolved air tank, a water outlet pipe is fixedly installed at the position, close to one side, of the outer part of the dissolved air tank, a water outlet valve is fixedly installed at the outer part of the water outlet pipe, an air inlet electromagnetic valve and a second one-way valve are fixedly connected at an air inlet port of the dissolved air tank, the air inlet electromagnetic valve is communicated with the second one-way valve, an air outlet port of the dissolved, the air inlet electromagnetic valve is connected with a filtering pressure reducing valve through a hose, the other end of the hose is connected to the air compressor, a precise jet flow assembly is arranged inside the air dissolving tank, and a damping device is arranged at the bottom of the reflux pump.

Preferably, a connecting pipe is arranged between the connecting elbow and the connecting flange, and a first pressure gauge is fixedly mounted at the top of the outer portion of the connecting pipe.

Preferably, air compressor machine and backwash pump are connected with PLC through the wire, PLC's output and the input electric connection of solenoid valve, the solenoid valve of disappointing of admitting air.

Preferably, one end of the precise jet flow assembly is connected with an inlet of the dissolved air tank, and the other end of the precise jet flow assembly is emptied in the dissolved air tank.

Preferably, the precise jet assembly is fixedly provided with three groups of flow stabilizing plates outside.

Preferably, the damping device comprises a damping seat, a connecting seat, a first guide frame, a first guide rod, a first damping spring, a second guide frame, a second guide rod, a second damping spring and a damper, the top of the connecting seat is fixedly connected to the bottom of the reflux pump, the bottom of the connecting seat is movably connected to the inside of the damping seat, the first guide frame is fixedly connected to one side of the bottom of the connecting seat, one end of the first guide rod is fixedly arranged at one side of the inside of the damping seat, the other end of the first guide rod penetrates through the first guide frame, the first damping spring is sleeved outside the first guide rod and is located at the bottom of the first guide frame, the second guide frame is fixedly connected to the other side of the bottom of the connecting seat, one end of the second guide rod is fixedly arranged at the other side of the inside of the damping seat, and the other end of the second guide rod penetrates through the second guide frame, the second damping spring sleeve is arranged at the bottom position, located on the second guide frame, of the outer portion of the second guide rod, and the damper is arranged at the bottom position, located on the connecting seat, of the inner portion of the damping seat.

Preferably, the attenuator is including fixing base, damping seat, damping fin, sealing rubber circle and buffer spring, the fixed mounting of fixing base is in the inside bottom position of shock attenuation seat, the one end movable mounting of damping seat is in the inside of shock attenuation seat, damping fin fixed connection is located the inside of shock attenuation seat in the one end of damping seat, sealing rubber circle fixed connection is in the inside top position of fixing base, buffer spring places in the below position that the inside of fixing base is located the damping fin.

Preferably, the upper surface of the damping fin is provided with three backflow channels.

Preferably, the inside of the fixed seat is filled with damping oil liquid, and the top end of the damping seat is contacted with the bottom of the connecting seat.

Compared with the prior art, the invention has the following beneficial effects: according to the invention, the filtering pressure reducing valve and the electromagnetic valve are adopted to directly control the air inflow and the pressure in the air dissolving tank, so that the air-liquid balance in the air dissolving tank is ensured, the instability caused by the fact that the traditional air dissolving system controls the liquid level balance in the air dissolving tank through the liquid level switch is eliminated, the system is more accurate, stable and reliable in operation, the excellent damping effect can be provided when the reflux pump works, the collision noise generated by the reflux pump due to vibration and the ground is reduced, and the comfortable use effect is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of a novel dissolved air system dedicated to air floatation according to the present invention;

FIG. 2 is a schematic diagram of the internal structure of a dissolved air tank of the novel dissolved air system dedicated to air floatation according to the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 1;

FIG. 4 is a schematic view of the internal structure of a shock absorbing seat of a novel dissolved air system dedicated to air floatation according to the present invention;

FIG. 5 is a schematic view of the internal structure of a damper of a novel dissolved air system dedicated to air floatation according to the present invention;

FIG. 6 is a top view of a damping fin of a novel dissolved air system dedicated to air floatation according to the present invention.

In the figure: 1. a reflux pump; 2. a dissolved air tank; 3. an air compressor; 4. a conduit; 5. connecting the elbow; 6. a connecting flange; 7. a first check valve; 8. a gate valve; 9. a first pressure gauge; 10. a water outlet valve; 11. an air inlet solenoid valve; 12. a second one-way valve; 13. an air-bleed solenoid valve; 14. a safety valve; 15. a second pressure gauge; 16. a PLC; 17. a hose; 18. a filtering pressure reducing valve; 19. a wire; 20. a precision jet assembly; 21. a flow stabilizer; 22. a damping device; 23. a shock absorbing seat; 24. a connecting seat; 25. a first guide frame; 26. a first guide bar; 27. a first damping spring; 28. a second guide frame; 29. a second guide bar; 30. a second damping spring; 31. a damper; 32. a fixed seat; 33. a damping seat; 34. a damping fin; 35. sealing the rubber ring; 36. a return channel; 37. a buffer spring.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-6, a novel dissolved air system dedicated for air flotation comprises a reflux pump 1, a dissolved air tank 2 and an air compressor 3, wherein a conduit 4 is fixedly connected to an outlet of the reflux pump 1, a connecting elbow 5 is fixedly connected to the top end of the conduit 4, the connecting elbow 5 is communicated with the dissolved air tank 2 through a connecting flange 6, a first one-way valve 7 is fixedly installed at the position, close to the bottom end, outside of the conduit 4, a gate valve 8 is fixedly installed at the position, close to the top end, outside of the dissolved air tank 2, a water outlet pipe is fixedly installed at the position, close to one side, first outside of the water outlet pipe, a water outlet valve 10 is fixedly installed outside the water outlet pipe, an air inlet port of the dissolved air tank 2 is fixedly connected with an air inlet electromagnetic valve 11 and a second one-way valve 12, the air inlet electromagnetic valve 11 is communicated with the second one-way, the outlet end of the air leakage electromagnetic valve 13 is communicated with a safety valve 14, a second pressure gauge 15 is fixedly installed at one side of the top of the air dissolving tank 2, the air inlet electromagnetic valve 11 is connected with a filtering and pressure reducing valve 18 through a hose 17, the other end of the hose 17 is connected to the air compressor 3, a precise jet flow assembly 20 is arranged inside the air dissolving tank 2, a damping device 22 is arranged at the bottom of the reflux pump 1, the air inlet electromagnetic valve 11 and the air leakage electromagnetic valve 13 which are added through the filtering and pressure reducing valve 18 are arranged to directly control air inflow and pressure in the air dissolving tank 2, the air-liquid balance in the air dissolving tank 2 is ensured, the instability caused by the fact that a traditional air dissolving system controls the liquid level balance in the air dissolving tank 2 through a liquid level;

a connecting pipe is arranged between the connecting elbow 5 and the connecting flange 6, and a first pressure gauge 9 is fixedly arranged at the top of the outer part of the connecting pipe; the air compressor 3 and the reflux pump 1 are connected with a PLC16 through a lead 19, and the output end of the PLC16 is electrically connected with the input ends of the air inlet electromagnetic valve 11 and the air outlet electromagnetic valve 13; one end of the precise jet flow assembly 20 is connected with an inlet of the dissolved air tank 2, and the other end of the precise jet flow assembly 20 is emptied in the dissolved air tank 2; flow stabilizing plates 21 are fixedly arranged outside the precise jet assembly 20, and the number of the flow stabilizing plates 21 is three; the damping device 22 comprises a damping seat 23, a connecting seat 24, a first guide frame 25, a first guide rod 26, a first damping spring 27, a second guide frame 28, a second guide rod 29, a second damping spring 30 and a damper 31, the top of the connecting seat 24 is fixedly connected to the bottom of the reflux pump 1, the bottom of the connecting seat 24 is movably connected to the inside of the damping seat 23, the first guide frame 25 is fixedly connected to one side position of the bottom of the connecting seat 24, one end of the first guide rod 26 is fixedly installed at one side position of the inside of the damping seat 23, the other end of the first guide rod 26 penetrates through the first guide frame 25, the first damping spring 27 is sleeved on the outside of the first guide rod 26 and is located at the bottom position of the first guide frame 25, the second guide frame 28 is fixedly connected to the other side position of the bottom of the connecting seat 24, one end of the second guide rod 29 is fixedly installed at the other side position of the inside of the damping seat 23, the other end of the second guide rod 29 penetrates through the second guide frame 28, the second damping spring 30 is sleeved outside the second guide rod 29 and is located at the bottom of the second guide frame 28, and the damper 31 is arranged inside the damping seat 23 and is located at the bottom of the connecting seat 24; the damper 31 comprises a fixed seat 32, a damping seat 33, a damping sheet 34, a sealing rubber ring 35 and a buffer spring 37, wherein the fixed seat 32 is fixedly installed at the bottom position inside the damping seat 23, one end of the damping seat 33 is movably installed inside the damping seat 23, the damping sheet 34 is fixedly connected to one end of the damping seat 33 and is located inside the damping seat 23, the sealing rubber ring 35 is fixedly connected to the top position inside the fixed seat 32, and the buffer spring 37 is placed inside the fixed seat 32 and is located below the damping sheet 34; backflow channels 36 are formed in the upper surface of the damping fin 34, and the number of the backflow channels 36 is three; the inside packing of fixing base 32 has damping oil liquid, the top contact of damping seat 33 is in the bottom of connecting seat 24, through damping device 22's setting, can play excellent shock attenuation effect, reduces the noise that backwash pump 1 produced because of vibrations, reduces backwash pump 1's damage phenomenon, has also reduced the production of noise simultaneously, and the practicality is higher, secondly can play excellent damping effect through the attenuator 31 of setting, has further improved shock-absorbing function.

The invention is a novel dissolved air system special for air flotation, when in use, the PLC16 is used for controlling the air compressor 3 to be started, the filtering pressure-reducing valve 18 is used for controlling the air outlet pressure to be 0.4-0.6 MPa, the reflux pump 1 is started to work at the same time, the reflux water is pumped into the precise jet flow component 20 on the dissolved air tank 2 through the reflux pump 1, the air in the dissolved air tank 2 is sucked into the precise jet flow component 20 through an air inlet by the jet flow technology to be mixed with the reflux water to form dissolved air water, the water outlet valve 10 is adjusted, the pressure in the dissolved air tank 2 gradually rises, as the air in the tank is continuously dissolved in the water, the liquid level in the dissolved air tank 2 continuously rises, the reflux pump 1 is started for 1 minute, the air inlet electromagnetic valve 11 is controlled to be opened by the PLC16, the air with stable pressure at the outlet of the filtering pressure-reducing valve 18 enters, through adjusting the water outlet valve 10 to stabilize the pressure in the dissolved air tank 2 to 0.4-0.6 MPa, the pressure can be observed through the first pressure gauge 9 and the second pressure gauge 15, at this time, because the air with the outlet of the filtering pressure reducing valve 18 stabilized at 0.4-0.6 MPa continuously enters the dissolved air tank 2 and is mixed with the return water to form the dissolved air water, the liquid level in the dissolved air tank 2 is always stabilized at 3/4 in the tank, the balance of the air in the dissolved air tank 2 is kept, so that the dissolved air system can stably operate, the dissolved air effect is good, secondly, when the return pump 1 works, the vibration force can be generated, the first guide rod 26 and the second guide rod 29 are respectively matched with the first guide frame 25 and the second guide frame 28 to play a role in guiding, the first damping spring 27 and the second damping spring 30 can play a sufficient buffering and damping effect during vibration, and the damping seat 33 can be driven to move during vibration, the damping seat 33 drives the damping sheet 34 to move, a damping effect is formed by the backflow channel 36 of the damping sheet 34 and the damping oil liquid inside the fixing seat 32, and the effect of buffering and damping is further improved, so that the damage phenomenon of the backflow pump 1 is reduced, the noise is reduced, and the use is facilitated.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.