Novel steam flash evaporator

Abstract

The novel steam flash evaporator comprises a flash evaporation tank, a liquid level meter and a feeding pipe, a steam outlet is formed in the top of the flash evaporation tank, a high-temperature water conveying pipe is arranged on one side of the bottom of the flash evaporation tank, a low-temperature water outlet is formed in the bottom of the flash evaporation tank, the liquid level meter is arranged on the outer wall of the flash evaporation tank, and the feeding pipe is connected with the high-temperature water conveying pipe. The liquid level meter is arranged in the flash tank and used for monitoring liquid level information in the flash tank, the feeding pipe is communicated with the flash tank, a control valve is arranged on the feeding pipe, and the liquid level meter and the control valve are electrically connected with a single chip microcomputer; the liquid level information in the flash tank is monitored through the liquid level meter, and when the liquid level in the flash tank exceeds a threshold value range, the single chip microcomputer drives the control valve to close the feeding pipe, so that the liquid level of the flash tank is prevented from being higher than a feeding port of the feeding pipe, the service life of equipment is prolonged, and water hammers are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of steam flash evaporator, especially a novel steam flash evaporator. BACKGROUND

[0002] Steam flash evaporator is a device, it through the hot condensate or boiler water under certain pressure, make part water experience evaporation process, produce the steam called flash steam steam;

[0003] When the liquid level of the flash tank is higher than the feed inlet of the feed pipe, the flash space in the flash tank will correspondingly decrease. This may lead to a decrease in flash effect, affecting the processing capacity and stability of the equipment, and an excessively high liquid level may cause the pressure in the tank to easily exceed the pressure, thereby affecting the service life of the equipment. At the same time, a high liquid level may also cause black water to easily enter the gas phase pipeline and the heat exchanger with the gas phase, causing a water hammer phenomenon. SUMMARY

[0004] (I) Technical problem to be solved

[0005] In order to solve the above problems of the prior art, the utility model provides a novel steam flash evaporator.

[0006] (II) Technical scheme

[0007] In order to achieve the above purpose, the utility model adopts the main technical scheme including:

[0008] A novel steam flash evaporator, comprising a flash tank, a liquid level meter and a feed pipe;

[0009] The top of the flash tank is provided with a steam outlet, one side of the bottom of the flash tank is provided with a high-temperature water conveying pipe, and the bottom of the flash tank is provided with a low-temperature water outlet;

[0010] The liquid level meter is arranged on the outer wall of the flash tank and is used for monitoring the liquid level information in the flash tank;

[0011] The feed pipe is communicated with the flash tank, a control valve is arranged on the feed pipe, and the liquid level meter and the control valve are electrically connected with a single-chip microcomputer.

[0012] Preferably, it further comprises a dispersing mechanism, the dispersing mechanism comprising a first dispersing plate and a second dispersing plate;

[0013] The first dispersing plate and the second dispersing plate are respectively installed on the inner walls of the flash tank and are arranged in an upper and lower staggered manner, the feed pipe extends into the flash tank and is arranged opposite to the first dispersing plate, and the material is refracted onto the second dispersing plate after being impacted by the first dispersing plate.

[0014] Preferably, the first dispersion plate and the second dispersion plate are both provided with an inclined surface on the side close to each other, and the inclined surfaces of the first dispersion plate and the second dispersion plate are arranged in parallel to each other.

[0015] Preferably, the dispersion mechanism further comprises a dispersion paddle, which is arranged in the flash tank and below the second dispersion plate.

[0016] Preferably, the dispersion paddle is a double-shaft paddle.

[0017] Preferably, the steam outlet at the top of the flash tank is connected to a triple-effect evaporator through a steam recovery pipe.

[0018] Preferably, a water hammer valve is arranged at the low-temperature water outlet.

[0019] (Three) beneficial effects

[0020] The beneficial effects of the utility model lie in:

[0021] 1. The liquid level information in the flash tank is monitored by the liquid level meter, and when the liquid level in the flash tank exceeds the threshold range, the single-chip microcomputer drives the control valve to close the feed pipe, so that the liquid level in the flash tank is prevented from being higher than the feed inlet of the feed pipe, the service life of the equipment is prolonged, and water hammer is avoided.

[0022] 2. The material impacts the first dispersion plate and the second dispersion plate in sequence, and the material is dispersed twice, the dispersion paddle changes the movement direction of the material and accelerates the material twice, the material is dispersed through multiple collisions, and multiple impact dispersion of the material can make the material separate more quickly, thereby improving the flash evaporation efficiency.

[0023] 3. The steam discharged from the top of the flash tank enters the triple-effect evaporator through the steam recovery pipe, the triple-effect evaporator is heated, and the function of waste heat recovery is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a structure schematic view of the first embodiment of the utility model;

[0025] Figure 2 It is a structure schematic view of the second embodiment of the utility model.

[0026] BRIEF DESCRIPTION OF DRAWINGS:

[0027] 1. flash tank;

[0028] 2. liquid level meter;

[0029] 3. feed pipe;

[0030] 4. steam outlet;

[0031] 5. high-temperature water conveying pipe;

[0032] 6. low temperature water outlet;

[0033] 7. first dispersion plate;

[0034] 8. second dispersion plate;

[0035] 9. dispersion paddle;

[0036] 10. steam recovery pipe;

[0037] 11. three-effect evaporator. DETAILED DESCRIPTION

[0038] In order to better explain the utility model, so as to facilitate understanding, below, by specific embodiment, the utility model is described in detail in combination with the drawings.

[0039] Please refer to Figure 1 The first embodiment of the utility model:

[0040] A novel steam flash evaporator, including flash tank 1, liquid level meter 2 and feed pipe 3;

[0041] The top of the flash tank 1 is provided with steam outlet 4, the bottom of the flash tank 1 is provided with high-temperature water conveying pipe 5 on one side, and the bottom of the flash tank 1 is provided with low-temperature water outlet 6;

[0042] The liquid level meter 2 is arranged on the outer wall of the flash tank 1 and is used to monitor the liquid level information in the flash tank 1;

[0043] The feed pipe 3 is communicated with the flash tank 1, the feed pipe 3 is provided with a control valve, and the liquid level meter 2 and the control valve are electrically connected with a single-chip microcomputer;

[0044] When using, the liquid level information in the flash tank 1 is monitored through the liquid level meter 2, when the liquid level in the flash tank 1 exceeds the threshold range, the single-chip microcomputer drives the control valve to close the feed pipe 3, so that the liquid level in the flash tank 1 is higher than the feed inlet of the feed pipe 3, the service life of the equipment is prolonged, and water hammer is avoided.

[0045] Reference Figure 2 The second embodiment of the utility model:

[0046] On the basis of the above embodiment one, further including dispersion mechanism, the dispersion mechanism includes first dispersion plate 7 and second dispersion plate 8;

[0047] The first dispersion plate 7 and the second dispersion plate 8 are respectively arranged on the two sides of the inner wall of the flash tank 1 and are arranged in a staggered manner, the feed pipe 3 extends into the flash tank 1 and is arranged opposite to the first dispersion plate 7, the material is refracted to the second dispersion plate 8 after impacting the first dispersion plate 7, the side of the first dispersion plate 7 and the second dispersion plate 8 close to each other is arranged in a slope, and the slopes of the first dispersion plate 7 and the second dispersion plate 8 are arranged in parallel to each other, the dispersion mechanism further comprises a dispersion paddle 9, the dispersion paddle 9 is arranged in the flash tank 1 and is located below the second dispersion plate 8, and the dispersion paddle 9 is a double-shaft paddle.

[0048] In use, the material entering the flash tank 1 through the feed pipe 3 impacts the first dispersion plate 7 and the second dispersion plate 8 in sequence, the material is dispersed twice, the dispersion paddle 9 changes the movement direction of the material and accelerates the material twice, the material is dispersed through multiple collisions, and the material can be separated more quickly through multiple impact dispersions, thereby improving the flash efficiency.

[0049] In the embodiment, the steam outlet 4 at the top of the flash tank 1 is connected to the three-effect evaporator 11 through the steam recovery pipe 10, the steam discharged from the top of the flash tank 1 enters the three-effect evaporator 11 through the steam recovery pipe 10, the three-effect evaporator 11 is heated, and the waste heat is recovered.

[0050] In the embodiment, the waterproof hammer valve is arranged at the low-temperature water outlet 6.

[0051] The working principle of the utility model is as follows:

[0052] The liquid level information in the flash tank 1 is monitored through the liquid level meter 2, when the liquid level in the flash tank 1 exceeds the threshold range, the single-chip microcomputer drives the control valve to close the feed pipe 3, so that the liquid level in the flash tank 1 is higher than the feed inlet of the feed pipe 3, the service life of the equipment is prolonged, and the water hammer is avoided;

[0053] The material impacts the first dispersion plate 7 and the second dispersion plate 8 in sequence, the material is dispersed twice, the dispersion paddle 9 changes the movement direction of the material and accelerates the material twice, the material is dispersed through multiple collisions, and the material can be separated more quickly through multiple impact dispersions, thereby improving the flash efficiency;

[0054] The steam discharged from the top of the flash tank 1 enters the three-effect evaporator 11 through the steam recovery pipe 10, the three-effect evaporator 11 is heated, and the waste heat is recovered.

[0055] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent transformation or direct or indirect application in the related technical field according to the content of the utility model specification and the drawings is also included in the patent protection range of the utility model.

[0056] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A novel steam flash evaporator characterized in that, The flash tank, a liquid level meter and a feed pipe are included; A steam outlet is arranged at the top of the flash tank, a high-temperature water conveying pipe is arranged at one side of the bottom of the flash tank, and a low-temperature water outlet is arranged at the bottom of the flash tank; The liquid level meter is arranged on the outer wall of the flash tank and is used for monitoring the liquid level information in the flash tank; The feed pipe is communicated with the flash tank, a control valve is arranged on the feed pipe, and the liquid level meter and the control valve are electrically connected with a single-chip microcomputer.

2. A novel steam flash evaporator as claimed in claim 1, wherein, A dispersing mechanism is further included, and the dispersing mechanism includes first and second dispersing plates; The first and second dispersing plates are respectively arranged on the inner walls of the flash tank and are arranged in an up-down staggered manner, the feed pipe extends into the flash tank and is arranged opposite to the first dispersing plate, and materials are refracted to the second dispersing plate after being impacted by the first dispersing plate.

3. A novel steam flash evaporator as claimed in claim 2, wherein, The side of the first and second dispersing plates close to each other is arranged in a slope, and the slopes of the first and second dispersing plates are arranged in parallel to each other.

4. A novel steam flash evaporator as claimed in claim 2, wherein, The dispersing mechanism further includes dispersing paddles, and the dispersing paddles are arranged in the flash tank and are located below the second dispersing plate.

5. A novel steam flash evaporator as claimed in claim 4, wherein, The dispersing paddles are double-shaft paddles.

6. A novel steam flash evaporator as claimed in claim 1, wherein, The steam outlet at the top of the flash tank is connected with a three-effect evaporator through a steam recovery pipe.

7. A novel steam flash evaporator as claimed in claim 1, wherein, A water hammer valve is arranged at the low-temperature water outlet.

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