WO2018119878A1

WO2018119878A1 - Gas-liquid separator for mvr

Info

Publication number: WO2018119878A1
Application number: PCT/CN2016/113015
Authority: WO
Inventors: 张金风
Original assignee: 张金风
Priority date: 2016-12-27
Filing date: 2016-12-29
Publication date: 2018-07-05
Also published as: CN106807103A; CN106807103B

Abstract

Disclosed is a gas-liquid separator for MVR, comprising a case (1), wherein a cabinet door (2) is disposed on the right side of the bottom of the case (1); a gas-liquid inlet pipe (3) is disposed on the left side of the bottom of the case (1); and a grid plate (6) is disposed in the center of an inner cavity of the case (1). Erosion of the surface of a rotor blade (11), a fixing frame (15) and a spindle (12) can be prevented by means of an epoxy coating disposed on the surface of the rotor blade (11), the fixing frame (15) and the shaft (12), thereby prolonging the service life of the rotor blade (11), the fixing frame (15) and the shaft (12), and saving on the production costs. Bubbles can be pierced by means of a barb disposed on an inner cavity of a spiral tube (9), thus leading to a final gas-liquid separation of gas and liquid flowing out from a separation chamber (16), so that the work efficiency of the device is increased. Vapor can be prevented from overflowing by means of a sealing ring disposed between the case (1) and the cabinet door (2), and the cabinet door (2) can be opened when in a non-operating state, thereby facilitating the examination and repair of instruments inside the device. The device uses a variety of separation methods, thus increasing the work efficiency thereof.

Description

Steam and liquid separator for MVR

Technical field

The invention relates to the technical field of MVR, in particular to a vapor-liquid separator for MVR.

Background technique

MVR is the abbreviation of mechanical vapor recompression. MVR is an energy-saving technology that reuses the energy of secondary steam generated by itself to reduce the demand for external energy. As early as the 1960s, Germany and France have successfully used this technology in the fields of chemicals, food, paper, medicine, desalination and sewage treatment. The secondary steam and concentrate produced by the industrial wastewater after passing through the evaporator need to enter the vapor-liquid separator for separation. However, the working efficiency of the MVR for industrial wastewater treatment is relatively low. Therefore, I propose a A vapor-liquid separator for MVR.

Summary of the invention

It is an object of the present invention to provide a vapor-liquid separator for MVR, which solves the problem of low working efficiency of a vapor-liquid separator for industrial wastewater treatment on the market currently proposed by the above-mentioned MVR.

In order to achieve the above object, the present invention provides the following technical solution: a vapor-liquid separator for MVR, comprising a tank body, a cabinet door is provided on the right bottom of the tank body, and a vapor liquid is provided on the left bottom of the tank body. An input tube, a grid plate is disposed in a center of the inner cavity of the box, an L-shaped plastic tube is disposed on a top left side of the grid plate, and a bottom of the L-shaped plastic tube runs through the grid plate, and the L The bottom of the plastic tube is provided with a screw plug, the left port of the L-shaped plastic tube is provided with a suction pump, and the left bottom of the suction pump is connected with a gas collecting cover through a stainless steel tube, and the right end of the vapor-liquid input tube runs through At the bottom left side of the casing and extending to the left side of the gas collecting hood, the top end of the L-shaped plastic pipe is provided with a separation chamber, and the bottom right side of the separation chamber is provided with a liquid return pipe, and the liquid return pipe The bottom portion runs through the top right side of the grid plate and extends to the bottom right side of the grid plate, the bottom end of the liquid return pipe is provided with a spiral tube, and the top of the inner cavity of the separation chamber is provided with a mounting plate, the installation a through hole is arranged at a top central position of the plate and the separation chamber, and the bottom of the mounting plate is provided with a solid The bottom of the fixing frame is provided with a motor, and the bottom power output end of the motor is provided with a rotating shaft, and the left and right sides of the rotating shaft are provided with rotating blades, and the left side wall and the inner cavity of the separating chamber a partition is arranged in a staggered manner on the left side of the left side, and a packed tower is arranged between the right side wall of the separation chamber and the right top portion of the inner body cavity, and the main exhaust pipe is arranged on the top right side of the box body. a first auxiliary exhaust pipe and a second auxiliary exhaust pipe are respectively disposed on the left and right sides of the main exhaust pipe, and the bottom end of the main exhaust pipe runs through the top of the casing and at the center of the top of the separation chamber The through holes are connected, and the bottoms of the first auxiliary exhaust pipe and the second auxiliary exhaust pipe run through the top of the casing and extend to the top of the inner cavity of the casing.

Preferably, the left side of the gas collecting hood is provided with a trapezoidal hole, the left side of the inner cavity of the gas collecting hood is provided with a mesh plate, and the left side of the mesh plate is provided with a broken steam column, and the steam breaking The column is inserted to the right side of the cavity of the trapezoidal hole.

Preferably, the top surface of the separator is provided with a reflow groove, and the bottom of the separator is provided with a trapezoidal plate.

Preferably, the surfaces of the rotating blade, the fixing frame and the rotating shaft are provided with an epoxy resin coating.

Preferably, the inner cavity of the spiral tube is provided with barbs.

Preferably, a sealing ring is arranged at the connection between the box body and the cabinet door.

Compared with the prior art, the beneficial effects of the present invention are:

(1) The present invention provides a gas collecting cover, a trapezoidal hole, a mesh plate and a steam-breaking column, and the vapor-liquid input pipe blows the secondary steam and the concentrated liquid to the gas collecting hood, and the secondary steam and the concentrated liquid enter the trapezoidal hole cavity. Multiple collisions will occur to facilitate vapor-liquid separation. At the same time, the steam column will puncture the bubbles in the liquid to improve the vapor-liquid separation efficiency. After the initial separation of the vapor-liquid is completed, the mesh plate is used to enter the next separation;

(2) The present invention provides a liquid, vapor and partition plate by allowing spacers, a reflow tank and a trapezoidal plate to be arranged in a staggered arrangement to allow the liquid to be easily adhered to the separator to facilitate separation from the vapor. The reflux tank and the trapezoidal plate increase the liquid and vapor and the separator. The contact collision area increases the separation efficiency;

(3) The present invention can prevent corrosion of the surface of the rotating blade, the fixing frame and the rotating shaft by the epoxy resin coating provided on the surface of the rotating blade, the fixing frame and the rotating shaft, and prolongs the service life of the rotating blade, the fixing frame and the rotating shaft. , saving production costs;

(4) The present invention allows the barbs provided in the inner cavity of the spiral tube to pierce the air bubbles by barbs. The vapor-liquid separated from the separation chamber performs the last vapor-liquid separation, which improves the working efficiency of the device;

(5) The present invention can prevent steam from overflowing by providing a sealing ring at the joint between the cabinet and the cabinet door, and it is convenient to inspect the instrument inside the maintenance device by opening the cabinet door in a non-working state.

DRAWINGS

Figure 1 is a schematic structural view of the present invention;

Figure 2 is a cross-sectional view of the gas collecting cover of the present invention;

Figure 3 is a schematic view showing the structure of the separator of the present invention

In the figure: 1 box, 2 cabinet doors, 3 vapor liquid input tubes, 4 gas collecting hoods, 400 trapezoidal holes, 401 broken steam column, 5 suction pumps, 6 grid plates, 7L plastic pipes, 8 screw plugs, 9 Spiral tube, 10 packed tower, 11 rotor blades, 12 rotating shaft, 13 motor, 14 partition, 140 reflow tank, 141 trapezoidal plate, 15 fixing frame, 16 separation chamber, 17 mounting plate, 18 through holes, 19 main exhaust pipes , 20 first auxiliary exhaust pipe, 21 second auxiliary exhaust pipe, 22 liquid return pipe.

detailed description

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

Referring to FIG. 1-3, the present invention provides a technical solution: a vapor-liquid separator for MVR, including a box body 1, and a cabinet door 2 is disposed at a bottom bottom of the box body 1, and the box body 1 is A vapor-liquid input pipe 3 is disposed at the bottom of the left side, and a mesh plate 6 is disposed at the center of the inner cavity of the casing 1. The left side of the mesh plate 6 is provided with an L-shaped plastic pipe 7, and the L-shaped plastic is provided. The bottom of the tube 7 is inserted through the grid plate 6, and the bottom of the L-shaped plastic tube 7 is provided with a screw plug 8, the left port of the L-shaped plastic tube 7 is provided with a suction pump 5, and the left side of the suction pump 5 A gas collecting cover 4 is connected to the bottom through a stainless steel pipe. The right end of the vapor-liquid input pipe 3 runs through the left bottom of the casing 1 and extends to the left side of the gas collecting cover 4. The top end of the L-shaped plastic pipe 7 is provided. There is a separation chamber 16, and a right side of the bottom of the separation chamber 16 is provided with a liquid return pipe 22, and the bottom portion of the liquid return pipe 22 is continuous. It is placed on the top right side of the grid plate 6 and extends to the bottom right side of the grid plate 6. The bottom end of the liquid return pipe 22 is provided with a spiral tube 9, and the top of the inner chamber of the separation chamber 16 is provided with a mounting plate. The top center of the mounting plate 17 and the separation chamber 16 is provided with a through hole 18, and the bottom of the mounting plate 17 is provided with a fixing frame 15, and the bottom of the fixing frame 15 is provided with a motor 13, the motor The bottom power output end of the motor 13 is provided with a rotating shaft 12, and the rotating shaft 12 is provided on the left and right sides of the rotating shaft 12, and the left side wall of the separating chamber 16 and the left side top of the inner cavity of the casing 1 are alternately arranged. a packing tower 10 is disposed between the right side wall of the separation chamber 16 and the right side of the inner chamber of the casing 1. The top right side of the tank 1 is provided with a main exhaust pipe 19, the main A first auxiliary exhaust pipe 20 and a second auxiliary exhaust pipe 21 are respectively disposed on the left and right sides of the exhaust pipe 19, and the bottom end of the main exhaust pipe 19 runs through the top of the casing 1 and the top of the separation chamber 16 The through holes 18 in the central position are connected, and the bottoms of the first auxiliary exhaust pipe 20 and the second auxiliary exhaust pipe 21 penetrate the top of the casing 1 and extend to the top of the inner cavity of the casing 1.

The left side of the air collection cover 4 is provided with a trapezoidal hole 400, and the left side of the inner cavity of the air collection cover 4 is provided with a mesh plate 6, and the left side of the mesh plate 6 is provided with a steam-breaking column 401. The steam column 401 is inserted into the right side of the inner cavity of the trapezoidal hole 400. The top surface of the partition plate 14 is provided with a return groove 140, and the bottom of the partition plate 14 is provided with a trapezoidal plate 141. 11. The surface of the fixing frame 15 and the rotating shaft 12 are all provided with an epoxy resin coating. The inner cavity of the spiral tube 9 is provided with barbs, and a sealing ring is arranged at the joint of the box body 1 and the cabinet door 2.

Working principle: the secondary steam and the concentrated liquid are blown to the gas collecting hood 4 through the vapor-liquid input pipe 3, and the secondary steam and the concentrated liquid enter the inner cavity of the trapezoidal hole 400, and multiple collisions occur, and the steam-breaking column 401 is in the liquid. After the bubble is punctured, after the initial separation of the vapor-liquid is completed, the vapor-liquid enters the separation chamber 16 through the mesh plate 6 under the action of the suction pump 5. The motor 13 drives the rotating shaft 12 and the rotating blade 11 to rotate, and the vapor-liquid is in the inner chamber of the separating chamber 16. Due to the centrifugal force generated by the swirling airflow, the liquid flows down the inner wall of the separation chamber 16, and the steam is output through the through hole 18 and the main exhaust pipe 19, and the separated liquid of the separation chamber 16 is separated again by the barb provided in the spiral pipe 9. The vapor and liquid leaking from the collecting hood 4 enters the staggered partition 14 and the packed tower 10 through the grid plate 6 to perform vapor-liquid separation, and the separated steam can pass through the first auxiliary exhaust pipe 20 And the second auxiliary exhaust pipe 21 is discharged, through the screw plug 8, the liquid in the L-shaped plastic pipe 7 can be discharged to prevent the pipe from being blocked, and finally the separated liquid can be discharged through the pipe at the bottom of the casing 1, and the device passes through The separation method is used for vapor-liquid separation, which improves work efficiency.

While the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art The scope of the invention is defined by the appended claims and their equivalents.

Claims

A vapor-liquid separator for MVR, comprising a tank body (1), characterized in that: a cabinet door (2) is provided at a right bottom of the tank body (1), and a left bottom portion of the tank body (1) A vapor-liquid input pipe (3) is provided, and a grid plate (6) is arranged in the center of the inner cavity of the casing (1), and an L-shaped plastic pipe is arranged on the left side of the mesh plate (6) (7) The bottom of the L-shaped plastic tube (7) runs through the grid plate (6), and the bottom of the L-shaped plastic tube (7) is provided with a screw plug (8), and the L-shaped plastic tube (7) The left port is provided with a suction pump (5), and the left bottom of the suction pump (5) is connected with a gas collecting cover (4) through a stainless steel pipe, and the right end of the vapor liquid input pipe (3) runs through the casing ( 1) the left bottom portion and extends to the left side of the gas collecting hood (4), the top end of the L-shaped plastic pipe (7) is provided with a separation chamber (16), and the bottom right side of the separation chamber (16) is provided There is a liquid return pipe (22), the bottom of the liquid return pipe (22) runs through the top right side of the mesh plate (6) and extends to the bottom right side of the mesh plate (6), the liquid return pipe ( The bottom end of 22) is provided with a spiral tube (9), and the top of the inner chamber of the separation chamber (16) is provided with a mounting plate (17), and the top central positions of the mounting plate (17) and the separation chamber (16) are Set a hole (18), a bottom of the mounting plate (17) is provided with a fixing frame (15), a bottom of the fixing frame (15) is provided with a motor (13), and a bottom power output end of the motor (13) is provided There is a rotating shaft (12), and the rotating shaft (11) is disposed on the left and right sides of the rotating shaft (12), and the left side wall of the separating chamber (16) and the left top portion of the inner cavity of the box body (1) are staggered A partition (14) is arranged, a packed tower (10) is provided between the right side wall of the separation chamber (16) and the right top of the inner chamber of the tank (1), the top of the tank (1) The main exhaust pipe (19) is disposed on the right side, and the first auxiliary exhaust pipe (20) and the second auxiliary exhaust pipe (21) are respectively disposed on the left and right sides of the main exhaust pipe (19), The bottom end of the main exhaust pipe (19) extends through the top of the casing (1) and is connected to a through hole (18) at a central position of the top of the separation chamber (16), the first auxiliary exhaust pipe (20) and The bottom of the second auxiliary exhaust pipe (21) runs through the top of the casing (1) and extends to the top of the inner cavity of the casing (1).
A vapor-liquid separator for MVR according to claim 1, characterized in that the left side of the gas collecting hood (4) is provided with a trapezoidal hole (400), and the inner cavity of the gas collecting hood (4) There is a grid plate (6) on the left side, and a steam-breaking column (401) is arranged on the left side of the grid plate (6), and the steam-breaking column (401) Plug in the right side of the cavity of the trapezoidal hole (400).
A vapor-liquid separator for MVR according to claim 1, characterized in that the top surface of the partition plate (14) is provided with a recirculation groove (140), and the bottom of the partition plate (14) is provided with a trapezoidal shape. Board (141).
A vapor-liquid separator for MVR according to claim 1, characterized in that the surfaces of the rotor blade (11), the fixing frame (15) and the rotating shaft (12) are each provided with an epoxy resin coating.
A vapor-liquid separator for MVR according to claim 1, characterized in that the inner cavity of the spiral tube (9) is provided with barbs.
A vapor-liquid separator for MVR according to claim 1, characterized in that a sealing ring is arranged at the joint of the tank (1) and the cabinet door (2).