CN213707791U

CN213707791U - Four-dimensional normal pressure evaporation plant

Info

Publication number: CN213707791U
Application number: CN202022319121.6U
Authority: CN
Inventors: 黄书恒; 冯青; 顾颖
Original assignee: Suqian Rundi Environmental Protection Technology Co ltd
Current assignee: Suqian Rundi Environmental Protection Technology Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-07-16
Anticipated expiration: 2030-10-19

Abstract

The utility model discloses a four-dimensional formula ordinary pressure evaporation plant, including the evaporating chamber, the tuber pipe of admitting air, the tuber pipe of giving vent to anger, solution tank and elevator pump, each side lower part of evaporating chamber is connected with the tuber pipe of admitting air respectively, the top and the tuber pipe of giving vent to anger of evaporating chamber are connected, be equipped with the overflow weir in the evaporating chamber, heat exchange plate, demister and waste liquid circulation import, the overflow weir is installed on the evaporating chamber lateral wall, and connect waste liquid circulation import, waste liquid circulation import passes through elevator pump and pipeline interconnect with waste liquid circulation export, heat exchange plate is the perforated plate, the perforated plate is installed in overflow weir lower part to the slope of overflow direction, the demister is installed in evaporating chamber upper portion, the solution tank is connected in the evaporating chamber lower part, be equipped with the apron on the solution tank, the apron corresponds. The utility model discloses set up four heat and mass exchange boards in single evaporating chamber, increased heat and mass exchange area, calorific loss is less under the same heat preservation condition, and evaporation efficiency is high, sparingly evaporates steam and power consumption.

Description

Four-dimensional normal pressure evaporation plant

Technical Field

The utility model belongs to the technical field of the waste liquid evaporative concentration, concretely relates to four-dimensional formula ordinary pressure evaporation plant.

Background

In the existing low-temperature normal-pressure evaporation equipment, a single evaporation chamber generally comprises a water distribution device, a heat exchange plate, a defoaming device and the like, the evaporation purpose of the traditional single evaporation chamber must be finished in one chamber, the heat loss is more under the same heat preservation condition, the evaporation efficiency is not high, the evaporation steam is wasted, and the electric energy consumption is increased.

Disclosure of Invention

The utility model discloses not enough to in the background art, provide a four-dimensional formula ordinary pressure evaporation plant, through the utility model discloses can realize that calorific loss is less under the same heat preservation condition, evaporation efficiency is higher, sparingly evaporates steam and power consumption.

In order to achieve the above object, the technical solution of the present invention is as follows:

a four-dimensional normal pressure evaporation plant which is characterized in that: including the evaporating chamber, admit air the tuber pipe, give vent to anger tuber pipe, solution tank and elevator pump, each side lower part of evaporating chamber is connected with the tuber pipe that admits air respectively, the top of evaporating chamber is connected with the tuber pipe of giving vent to anger, be equipped with overflow weir, thermal mass exchange board, demister and waste liquid circulation import in the evaporating chamber, the overflow weir is installed on the evaporating chamber lateral wall to the import of waste liquid circulation, waste liquid circulation import and the waste liquid circulation export of setting in the solution tank bottom pass through elevator pump and pipeline interconnect, thermal mass exchange board is the perforated plate, the perforated plate is installed in the overflow weir lower part to the slope of overflow weir direction, the demister is installed in evaporating chamber upper portion, the solution tank is connected in the evaporating chamber lower part, is equipped with the apron on the solution tank, the apron corresponds the evaporating chamber below and is equipped.

Preferably, the overflow weirs are arranged in a square shape and are communicated with each other.

Preferably, the perforated plate is conically arranged.

Preferably, the inclination angle of the porous plate is 45 degrees.

Preferably, the holes formed in the porous plate are round holes and are uniformly distributed.

Preferably, the aperture of the round hole is 0.8-1.2 cm, and the distance between the centers of adjacent round holes is 2.5 cm.

Preferably, the solution tank is provided with a high liquid level meter, a medium liquid level meter and a low liquid level meter.

Preferably, the upper part of the solution tank is provided with a liquid inlet, and the bottom of the solution tank is provided with a liquid outlet.

Preferably, a guide plate is arranged at the bottom of the solution tank, and the guide plate is obliquely arranged.

Compared with the prior art, the utility model discloses beneficial effect as follows:

the utility model discloses a set up in the evaporating chamber that four conical heat mass exchange plates with be square four overflow weirs, realize that calorific loss is less under the same heat preservation condition, evaporation efficiency is higher, sparingly evaporates steam and power consumption. And the four-dimensional evaporation device has small volume and small occupied area, saves the manufacturing cost and is worth popularizing.

Drawings

Other features, objects and advantages of the invention will become more apparent from a reading of the following detailed description of non-limiting embodiments thereof, with reference to the accompanying drawings.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional view of the A-A direction of the present invention;

FIG. 3 is a schematic structural view of the heat and mass exchange plate of the present invention;

FIG. 4 is a schematic structural view of the cover plate of the present invention;

in the figure: 1. evaporation chamber, 2, the tuber pipe of admitting air, 3, the tuber pipe of giving vent to anger, 4, the solution tank, 5, the overflow weir, 6, heat and mass exchange board, 7, demister, 8, apron, 9, backward flow mouth, 10, waste liquid circulation import, 11, waste liquid circulation export, 12, inlet, 13, liquid outlet, 14, the pump of lifting into, 15, low level gauge, 16, well level gauge, 17 high level gauge, 18, the guide plate, 19, the round hole.

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.

In the description of the present invention, it is to be understood that the terms "middle", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "attached," "connected," and "fixed" are to be construed broadly, e.g., as either a fixed connection or a detachable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in figures 1 and 2, a four-dimensional atmospheric evaporation device comprises an evaporation chamber 1, an air inlet pipe 2, an air outlet pipe 3, a solution tank 4 and a lift pump 14, wherein the air inlet pipe is respectively arranged at the bottom of four sides of the evaporation chamber and used for supplying hot air to the evaporation chamber to provide a heat source, the air outlet pipe is arranged at the top end of the evaporation chamber and used for supplying evaporated water vapor to a subsequent condensation device, an overflow weir 5, a waste liquid circulation inlet 10, a heat exchange plate 6 and a demister 7 are arranged in the evaporation chamber, the overflow weirs are respectively arranged on four side walls of the evaporation chamber and are arranged in a square shape and are communicated with each other, the overflow weir is connected with the waste liquid circulation inlet, the waste liquid circulation inlet is used for feeding waste liquid into the overflow weir, the four heat exchange plates are respectively connected below the four overflow weirs, the heat exchange plates are obliquely arranged below the overflow weir in a conical shape, and heat exchange is carried out on the heat exchange plate, the best evaporation effect is achieved when the inclination angle of the heat exchange plate is 45 degrees, as shown in the figure 4, a solution tank is connected below the evaporation chamber, a cover plate 8 is arranged at the upper part of the solution tank, a backflow port 9 is arranged below the cover plate corresponding to the evaporation chamber, a waste liquid circulating outlet 11 and a lifting pump are arranged at the bottom of the solution tank, waste liquid is lifted from the waste liquid circulating outlet and then is pumped into an overflow weir through a waste liquid circulating inlet through the lifting pump, the waste liquid overflows after being filled with the overflow weir and overflows along the heat exchange plate in an inclined manner, the waste liquid exchanges heat with continuously fed hot air on the heat exchange plate, the unevaporated waste liquid flows back to the solution tank through the backflow port on the cover plate, a liquid inlet 12 and a liquid outlet 13 are further arranged on the solution tank, the liquid inlet is arranged at the upper part and is used for feeding the waste liquid into the solution tank from a waste water pool for evaporation treatment, well level gauge 16 and low level gauge 15 for control waste liquid squeezes into the water level control when the solution tank, when the feed liquor reaches high liquid level, high level gauge sends out the police dispatch newspaper, closes the inlet system, in time stops the elevator pump when the minimum water level that also can monitor elevator pump during operation liquid level simultaneously reaches, and the bottom of solution tank is provided with guide plate 18, and the guide plate slope sets up in the solution tank bottom, makes things convenient for the waste liquid discharge after the concentration and clears up the solution tank.

As shown in fig. 3, the heat and mass exchange plate is a porous plate, the holes formed on the porous plate are round holes 19, the round holes are uniformly distributed, the aperture of each round hole is 0.8-1.2 cm, and the distance between the centers of adjacent round holes is 2.5 cm, so that the evaporation efficiency is improved.

The working principle of the utility model is as follows:

as shown in fig. 1 to 4, firstly, the waste liquid to be treated is pumped into a solution tank 4 through a liquid inlet 12, a certain water level is set, after the water level is reached, a liquid level meter gives an alarm, the waste liquid is stopped from being fed, an air inlet pipe 2 is opened to supply hot air, an evaporation chamber 1 is preheated, then a lifting pump 14 is started, the waste liquid is lifted into an overflow weir 5 through a waste liquid circulating outlet 11, after the overflow weir is filled with the waste liquid, the waste liquid slowly overflows downwards and flows down along an obliquely arranged heat and mass exchange plate 6, the waste liquid is subjected to heat exchange on the heat and mass exchange plate, clean vapor in the waste liquid is evaporated and is brought into a subsequent condensing device along an air outlet pipe 3, the unevaporated waste liquid flows back into the solution tank 4 through a backflow port 9 on a cover plate 8 to realize circulation, after a period of circulating evaporation, liquid taking detection is performed, after the concentration is qualified, the lifting pump 14 is stopped, opening the liquid outlet 13, recycling and concentrating the obtained waste liquid for utilization, and cleaning the solution tank 4.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. A four-dimensional normal pressure evaporation plant which is characterized in that: including the evaporating chamber, admit air the tuber pipe, give vent to anger tuber pipe, solution tank and elevator pump, each side lower part of evaporating chamber is connected with the tuber pipe that admits air respectively, the top of evaporating chamber is connected with the tuber pipe of giving vent to anger, be equipped with overflow weir, thermal mass exchange board, demister and waste liquid circulation import in the evaporating chamber, the overflow weir is installed on the evaporating chamber lateral wall to the import of waste liquid circulation, waste liquid circulation import and the waste liquid circulation export of setting in the solution tank bottom pass through elevator pump and pipeline interconnect, thermal mass exchange board is the perforated plate, the perforated plate is installed in the overflow weir lower part to the slope of overflow weir direction, the demister is installed in evaporating chamber upper portion, the solution tank is connected in the evaporating chamber lower part, is equipped with the apron on the solution tank, the apron corresponds the evaporating chamber below and is equipped.

2. The four-dimensional atmospheric pressure evaporation plant of claim 1, wherein: the overflow weirs are arranged in a square shape and are communicated with each other.

3. The four-dimensional atmospheric pressure evaporation plant of claim 1, wherein: the perforated plate is conically arranged.

4. The four-dimensional atmospheric pressure evaporation plant of claim 1, wherein: the inclination angle of the porous plate is 45 degrees.

5. The four-dimensional atmospheric pressure evaporation plant of claim 1, wherein: the holes formed in the porous plate are round holes and are uniformly distributed.

6. The four-dimensional atmospheric pressure evaporation plant of claim 5, wherein: the aperture of the round hole is 0.8-1.2 cm, and the distance between the centers of the adjacent round holes is 2.5 cm.

7. The four-dimensional atmospheric pressure evaporation plant of claim 1, wherein: and the solution tank is provided with a high liquid level meter, a medium liquid level meter and a low liquid level meter.

8. The four-dimensional atmospheric pressure evaporation plant of claim 1, wherein: the upper part of the solution tank is provided with a liquid inlet, and the bottom of the solution tank is provided with a liquid outlet.

9. The four-dimensional atmospheric pressure evaporation plant of claim 8, wherein: the bottom of the solution tank is provided with a guide plate, and the guide plate is obliquely arranged.