CN210543410U

CN210543410U - Liquid-overturning prevention protection system

Info

Publication number: CN210543410U
Application number: CN201920740542.0U
Authority: CN
Inventors: 贾志刚; 张锋; 张俊洲; 赵凤秋
Original assignee: Beijing Jielv Environment Technology Co ltd
Current assignee: Beijing Jielv Environment Technology Co ltd
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2020-05-19
Anticipated expiration: 2029-05-22

Abstract

The utility model discloses a prevent turning over liquid protection system, its characterized in that: the anti-rollover liquid tank comprises an anti-rollover liquid tank and a liquid discharge pipeline which is communicated with the bottom of the anti-rollover liquid tank; the anti-turnover liquid tank is respectively communicated with the evaporation separator and the secondary steam pipeline. The utility model discloses can make bubble and the liquid that the evaporation separator enstrophe was irritated get into and prevent turning over in the liquid tank, along preventing turning over fluid reservoir inner wall and downflow to its bottom, discharge through the fluid-discharge line at last, the secondary steam among the evaporation separator gets into prevents turning over the fluid reservoir, get into vapor compressor or next effect in the heater through the secondary steam pipeline, can avoid liquid to get into the secondary steam pipeline, and even in vapor compressor or next effect heater, protection vapor compressor and heater, extension vapor compressor, the heater, and even the life of evaporation treatment system, improve the comdenstion water quality.

Description

Liquid-overturning prevention protection system

Technical Field

The utility model relates to a prevent turning over liquid protection system belongs to evaporation treatment system technical field.

Background

The stock solution evaporation treatment system mainly comprises a preheating part, an evaporation part, a discharging part and the like. Wherein the preheating part consists of a non-condensing preheater and a condensed water preheater; the evaporation part consists of a heater, an evaporation separator, a vapor compressor, a pump and the like; the MVR (Mechanical vapor recompression) evaporation system reuses the heat of secondary steam generated by the MVR evaporation system, the working process of the MVR evaporation system is that the steam at a low temperature is compressed by a compressor to do work so as to improve the temperature and the pressure and increase the heat enthalpy, then the steam is sent to a heating chamber of an evaporator to be used as heating steam, so that a material liquid maintains a boiling evaporation state, the heating steam releases latent heat and then is converted into condensed water to be discharged as produced water, meanwhile, the secondary steam generated in the evaporation process of the system enters a steam compressor again after being separated by an evaporation separator, the latent heat of the secondary steam is circularly and fully utilized, the condensed water is used as the produced water, and concentrated solution or solid salt is discharged to achieve the treatment purpose.

Most of the actual operation projects have problems, and 1, the sewage foaming organic matter has more components; 2. the evaporation separator liquid level meter and other instruments have problems; 3. the feeding control valve has a fault and does not stop feeding; 4. misoperation, and error setting of automatic control parameters; 5. the material at the joint of the pipeline and the outside flows back to enter the evaporation system; 6. the vapor separation phase space of the evaporation separator is not enough; so that the sewage enters from the evaporation separator through a secondary steam pipeline and directly enters into a compressor or a next-effect heater, and the condition is called as 'large-tank-turning'. This problem can directly destroy the steam compressor, destroy the next effect heater, lead to the comdenstion water quality to worsen, and equipment life shortens, and system stability worsens. The vapor compressor is the core equipment of the evaporation treatment system, the large-scale irrigation and the bubbling are fatal damage to the compressor, and simultaneously, the water quality is directly influenced, so that the prevention of the large-scale irrigation is particularly important.

Disclosure of Invention

In view of the above problem, the utility model aims at providing a prevent turning over liquid protection system, this system can be because of greatly turning over irritate and overflow sewage or the concentrate drainage that the bubbling phenomenon caused to accident pool, avoid in liquid such as overflow sewage, concentrate gets into vapor compressor or the next heater that imitates, protection vapor compressor and heater, prolong vapor compressor, heater, and even evaporation treatment system's life, improve the comdenstion water quality.

In order to achieve the above object, the utility model discloses a following technical scheme, a prevent turning over liquid protection system, its characterized in that: the anti-rollover liquid tank comprises an anti-rollover liquid tank and a liquid discharge pipeline which is communicated with the bottom of the anti-rollover liquid tank; the anti-turnover liquid tank is respectively communicated with the evaporation separator and the secondary steam pipeline.

Preferably, a connecting pipeline is arranged between the evaporation separator and the side wall of the anti-rollover tank, one end of the connecting pipeline is communicated with the evaporation separator, and the other end of the connecting pipeline is tangentially communicated with the side wall of the anti-rollover tank.

Preferably, the upper end of the secondary steam pipeline vertically extends into the inner cavity of the anti-rollover liquid tank from the bottom of the anti-rollover liquid tank; and the upper port of the secondary steam pipeline is positioned above the communication position between the evaporation separator and the anti-rollover liquid tank.

Preferably, the sewage treatment system further comprises a sewage ditch with a liquid seal, the drainage pipeline is connected with the sewage ditch with the liquid seal through a liquid seal pipe, the upper end of the liquid seal pipe is communicated with the drainage pipeline, and the lower end of the liquid seal pipe extends into the sewage ditch with the liquid seal.

Preferably, a drain valve is arranged on the liquid seal pipe.

Preferably, the sewage ditch with the liquid seal is communicated with the accident pool.

Preferably, the vertical length of the liquid seal pipe between the drainage pipeline and the sewage ditch with liquid seal is more than 10 meters.

Preferably, a return pipe is communicated between the liquid discharge pipeline and the evaporation separator, and a return valve is mounted on the return pipe.

Preferably, the vertical length of the return conduit between the drainage line and the evaporative separator is above 1 metre.

Preferably, the anti-rollover liquid tank, the liquid discharge pipeline, the evaporation separator and the secondary steam pipeline are all positioned in a negative pressure area.

The utility model adopts the above technical scheme, it has following advantage: the utility model discloses a prevent turning over liquid protection system includes the fluid reservoir that turns over of preventing with evaporation separator and secondary steam pipeline intercommunication, and the intercommunication sets up the fluid-discharge line in preventing turning over the fluid reservoir bottom, make bubble and liquid that the evaporation separator enstrophe was irritated get into prevent turning over in the fluid reservoir, along preventing turning over fluid reservoir inner wall and downflow to its bottom, discharge through the fluid-discharge line at last, secondary steam among the evaporation separator gets into prevents turning over the fluid reservoir, get into in vapor compressor or the next heater of imitating through the secondary steam pipeline, can avoid liquid to get into the secondary steam pipeline, even in vapor compressor or the next heater of imitating, protection vapor compressor and heater, extension vapor compressor, the heater, even the life of evaporation treatment system, improve the comdenstion water quality.

Drawings

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

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the objects, features and advantages of the invention can be more clearly understood. It should be understood that the embodiments shown in the drawings are not intended as limitations on the scope of the invention, but are merely illustrative of the true spirit of the technical solution of the invention.

As shown in fig. 1, an embodiment of the present invention provides an anti-rollover protection system, which includes an anti-rollover tank 1 and a liquid discharge pipeline 2 communicated with the bottom of the anti-rollover tank 1; the anti-rollover liquid tank 1 is respectively communicated with the evaporation separator 3 and the secondary steam pipeline 4.

In the above embodiment, it is preferable that a connecting pipe 5 is provided between the evaporation separator 3 and the side wall of the anti-rollover tank 1, one end of the connecting pipe 5 is communicated with the evaporation separator 3, and the other end of the connecting pipe 5 is tangentially communicated with the side wall of the anti-rollover tank 1; therefore, the foam and the turn-over liquid in the evaporation separator 3 rapidly enter the turn-over preventing liquid tank 1 in a rotary cutting flowing mode after passing through the connecting pipeline 5, and the foam and the turn-over liquid can be beaten on the inner wall of the turn-over preventing liquid tank 1 at a high speed under the action of centrifugal force, flow to the bottom along the inner wall and are discharged through the liquid discharge pipeline 2.

In the above embodiment, preferably, the upper end of the secondary steam pipeline 4 vertically extends into the inner cavity of the anti-rollover tank 1 from the bottom thereof; and the upper port of the secondary steam pipeline 4 is positioned above the communication position between the evaporation separator 3 and the anti-rollover tank 1 so as to prevent foam and liquid from entering the secondary steam pipeline 4.

In the above embodiment, preferably, the utility model further comprises a sewage ditch 6 with liquid seal, the liquid discharge pipeline 2 is connected with the sewage ditch 6 with liquid seal through a liquid seal pipe 7, the upper end of the liquid seal pipe 7 is communicated with the liquid discharge pipeline 2, and the lower end of the liquid seal pipe 7 extends into the sewage ditch 6 with liquid seal; so as to play a role of liquid seal and avoid steam overflow. A liquid discharge valve 8 is arranged on the liquid seal pipe 7; the sewage ditch 6 with the liquid seal is communicated with an accident pool (not shown in the figure), and the foam and the liquid flowing out of the anti-turning liquid tank 1 are collected into the accident pool, so that the environmental pollution is reduced.

In the above embodiment, it is preferable that the vertical length of the liquid seal pipe 7 between the liquid discharge pipeline 2 and the sewage drainage ditch 6 with liquid seal is 10 meters or more.

In the above embodiment, it is preferable that a return pipe 9 is provided to communicate between the drain line 2 and the evaporative separator 3, and a return valve 10 is attached to the return pipe 9.

In the above-described embodiment, the vertical length of the return pipe 9 between the drain line 2 and the evaporative separator 3 is above 1 meter.

In the above embodiment, preferably, the evaporation system is generally negative pressure evaporation, because the design of the evaporation system takes into account crystallization temperature, heat sensitivity of traditional Chinese medicine and food, equipment investment influenced by pressure and temperature, influence of pressure on energy consumption of the compressor and the like. Therefore, the anti-rollover tank 1, the drain line 2, the evaporative separator 3, and the secondary steam line 4 are all in a negative pressure region.

The utility model discloses a use as follows:

when the bubbling and turning-over irrigation phenomenon occurs in the evaporation separator 3, the foam and the turning-over irrigation liquid in the evaporation separator 3 flow through the connecting pipeline 5 and then enter the turning-over prevention liquid tank 1 in a rotary cutting and fast flowing mode, so that the foam and the liquid can impact the inner wall of the turning-over prevention liquid tank 1 at a high speed under the action of centrifugal force, flow down to the bottom along the inner wall of the turning-over prevention liquid tank 1, are discharged through the liquid discharge pipeline 2, enter the sewage ditch 6 with liquid seal through the liquid seal pipe 7, then converge into the accident pool, and the secondary steam entering the turning-over prevention liquid tank 1 enters the steam compressor or the next effect heater through the secondary steam pipeline 4. After the phenomenon of irrigation is turned over, the liquid-proof protection system can rapidly discharge bubbles and liquid after irrigation into the sewage ditch 6 with the liquid seal through the anti-liquid-proof protection system, the sewage ditch 6 leads to the accident pool, so that the irrigation liquid can be timely discharged into the accident pool, the liquid is prevented from entering the secondary steam pipeline 4 and even the steam compressor or the next effect heater, the steam compressor and the heater are protected, the service lives of the steam compressor, the heater and even the evaporation treatment system are prolonged, and the quality of condensed water is improved.

The whole anti-overturn liquid protection system is located in a negative pressure area, the liquid discharge pipeline 2 is provided with the liquid seal pipe 7, and the vertical length of the liquid seal pipe 7 is more than or equal to 10 meters, so that the anti-overturn liquid protection system is suitable for negative pressure evaporation and system pressure fluctuation under any working conditions. Under the condition that positive pressure or unstable pressure exists during preheating and startup of the evaporation treatment system, the return valve 10 is opened, the drain valve 8 is closed, and a small amount of liquid flows through the liquid discharge pipeline 2 and the return pipe 9 and flows back into the evaporation separator 3. After the evaporation treatment system normally operates, the reflux valve 10 is closed, the drain valve 8 is opened, and the full-function anti-turnover liquid protection is started. The anti-overturn liquid protection system has better matching effect with other protection systems.

The utility model discloses a prevent turning over liquid protection system not only restricts MVR evaporation system, also is applicable to multiple-effect evaporation system, gas-liquid separation system etc. can be used for in fields such as landfill leachate, pharmaceutical factory waste water, chemical wastewater, power plant's waste water, traditional chinese medicine concentration, food industry. The anti-rollover liquid protection system can change the appearance, combination mode and equipment arrangement of the anti-rollover liquid tank 1, the evaporation separator 3, the secondary steam pipeline 4 and the matched valve pipeline at will according to actual conditions.

The present invention has been described only with reference to the above embodiments, and the structure, arrangement position and connection of the components may be changed. On the basis of the technical scheme of the utility model, the all sides according to the utility model discloses the principle is all not excluded to the improvement that individual part goes on or the transform of equivalence the utility model discloses a protection scope is outside.

Claims

1. The utility model provides an anti-overturning liquid protection system which characterized in that: comprises an anti-rollover liquid tank (1) and a liquid discharge pipeline (2) which is communicated with the bottom of the anti-rollover liquid tank (1); the anti-turnover liquid tank (1) is respectively communicated with the evaporation separator (3) and the secondary steam pipeline (4);

a connecting pipeline (5) is arranged between the evaporation separator (3) and the side wall of the anti-rollover liquid tank (1), one end of the connecting pipeline (5) is communicated with the evaporation separator (3), and the other end of the connecting pipeline (5) is tangentially communicated with the side wall of the anti-rollover liquid tank (1);

the upper end of the secondary steam pipeline (4) vertically extends into the inner cavity of the anti-turnover liquid tank (1) from the bottom of the anti-turnover liquid tank; and the upper port of the secondary steam pipeline (4) is positioned above the communication position between the evaporation separator (3) and the anti-turnover liquid tank (1).

2. The anti-tip fluid protection system of claim 1, wherein: still include and take liquid seal sewer ditch (6), connect through liquid seal pipe (7) between drainage pipe way (2) and the area liquid seal sewer ditch (6), the upper end of liquid seal pipe (7) with drainage pipe way (2) intercommunication, the lower extreme of liquid seal pipe (7) stretches into in the area liquid seal sewer ditch (6).

3. The anti-tip fluid protection system of claim 2, wherein: and a liquid discharge valve (8) is arranged on the liquid seal pipe (7).

4. The anti-tip fluid protection system of claim 2, wherein: the sewage ditch (6) with the liquid seal is communicated with the accident pool.

5. A rollover prevention liquid protection system as set forth in any one of claims 2 to 4, wherein: the vertical length of the liquid seal pipe (7) between the drainage pipeline (2) and the sewage ditch with the liquid seal (6) is more than 10 meters.

6. The anti-tip fluid protection system of claim 1, wherein: a return pipe (9) is communicated between the liquid discharge pipeline (2) and the evaporation separator (3), and a return valve (10) is installed on the return pipe (9).

7. The anti-tip fluid protection system of claim 6, wherein: the vertical length of the return pipe (9) between the liquid discharge pipeline (2) and the evaporation separator (3) is more than 1 meter.

8. The anti-tip fluid protection system of claim 1, wherein: the anti-rollover liquid tank (1), the liquid discharge pipeline (2), the evaporation separator (3) and the secondary steam pipeline (4) are all positioned in a negative pressure area.