CN212451318U

CN212451318U - Gas-liquid centrifugal separation device

Info

Publication number: CN212451318U
Application number: CN202021046102.4U
Authority: CN
Inventors: 王向荣; 王海元绪
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2021-02-02
Anticipated expiration: 2030-06-09

Abstract

The utility model discloses a gas-liquid centrifugal separation device, wherein a gas outlet is fixed at the top end of a tank body through a connecting base, an air inlet is arranged at the lower part of the side surface, and the bottom end is connected with a liquid accumulating box through a liquid discharging pipe; the middle part of the connecting base is connected with a middle vent pipe through a bearing A, the middle vent pipe extends into the tank body from top to bottom, the bottom end of the middle vent pipe is fixedly connected with a rotating shaft, the rotating shaft is connected with the tank body through a bearing B, and the rotating shaft extends out of the tank body and is fixedly connected with an output shaft of a motor; the middle vent pipe is evenly provided with meshes, and the outer wall of the middle vent pipe is provided with a screen which is coaxial with the middle vent pipe. The utility model discloses utilized showing the density difference between gas and liquid impurity ingeniously, under the effect of centrifugal force, liquid impurity will be thrown away rapidly from the mesh of well breather pipe, and gas will last via well breather pipe upflow to this has realized the high-efficient separation of gas and liquid impurity, has guaranteed gaseous purity and cleanliness factor, has the popularization prospect who is showing.

Description

Gas-liquid centrifugal separation device

Technical Field

The utility model relates to a gas-liquid separation equipment field specifically is a gas-liquid centrifugal separation device.

Background

The biomass gas is a new renewable energy source, and is prepared by taking dry biomass (with the water content generally less than 20%) as a gasification raw material, wherein the dry biomass is mainly byproducts, residues and wastes of agricultural and forestry production and wood processing, such as crop straws, rice husks, corncobs, dead wood, tree heads, branches, board skins, broken wood, wood shavings, saw dust and the like, drying, crushing and removing impurities, putting the biomass gas into a biomass gasification furnace, inputting a proper amount of gasification agent (such as air, water vapor and the like) into the furnace for ignition, carrying out oxidation-reduction reaction on the gasification raw material under the condition of oxygen deficiency (the oxygen supply is 20-28% of the theoretical oxygen supply required when the gasification raw material is completely combusted), and generating combustible mixed gas after gasification, namely the biomass gas, and the main combustible components of the biomass gas are CO, H2, CH4 and the like. However, along with pyrolysis of biomass, biomass char, wood tar, pyroligneous liquor and other substances are generated, wherein solid biomass char can be directly collected from the bottom of the gasification furnace, and substances such as wood tar, pyroligneous liquor and the like often overflow and are collected together with the biomass gas, so that in order to obtain biomass gas with high purity, the substances such as wood tar, pyroligneous liquor and the like must be separated and recovered, and further, the biomass gas is purified.

At present, the equipment of being applied to gas-liquid separation mainly uses gravity settling separator as the main, however gravity settling separator exists separation efficiency low, equipment is bulky, occupation space is big, the separation effect is poor, liquid impurity smugglies shortcoming such as serious secretly, if be applied to biomass gas and purify it, will directly influence the purity of gas, consequently need urgently to develop one kind and can effectively realize that the oily material such as biomass gas and wood tar, pyrolkigneous liquid separates, realizes the vapour and liquid separator of biomass gas purification processing.

SUMMERY OF THE UTILITY MODEL

To above technical problem, the utility model aims to solve the technical problem utilize gas, liquid to have the density difference that is showing for liquid can be thrown away and attached to on the separation wall at a high speed and because the characteristics that gravity gathered under the centrifugal force effect, provide one kind and can effectively realize the separation of oily impurity such as biomass gas and wooden tar, pyrolkigneous liquid under the centrifugal force effect, realize the gas-liquid centrifugal separation device to biomass gas purification processing.

In order to solve the technical problem, the gas-liquid centrifugal separation device comprises a tank body, wherein the tank body is supported by a bracket, a gas outlet is fixed at the top end of the tank body through a connecting base, an air inlet is formed in the lower part of the side surface of the tank body, and the bottom end of the tank body is connected with a liquid storage tank through a liquid discharge pipe; the middle part of the connecting base is connected with a middle vent pipe through a bearing A, the middle vent pipe extends into the tank body from top to bottom, the bottom end of the middle vent pipe is fixedly connected with a rotating shaft, the rotating shaft is connected with the tank body through a bearing B, and the rotating shaft extends out of the tank body and is fixedly connected with an output shaft of a motor; the middle breather pipe is evenly provided with meshes, and the outer wall of the middle breather pipe is provided with a screen which is coaxial with the middle breather pipe.

Further, the screen cloth includes screen cloth A and screen cloth B, screen cloth A, screen cloth B all with well breather pipe is with the axle center setting, just screen cloth A with between screen cloth B with all connect through bracing piece A between well breather pipe.

Further, the hydrops case passes through the support to be installed on ground, and this hydrops case top is connected with and gives the pressure pipe, the bottom is provided with the fluid-discharge tube, the side is provided with the level gauge.

Further, the inner wall of the tank body is uniformly and fixedly connected with a guide plate.

Further, the connecting plate of gas outlet pass through the bolt with connecting base connects, connecting base passes through the bolt with tank body coupling, bearing B one end outwards is provided with the bearing cap, the bearing cap pass through the bolt with tank body coupling.

Further, the bottom end of the air outlet is communicated with the top end of the middle vent pipe.

Furthermore, the rotating shaft is fixedly connected with the middle vent pipe through a support rod B.

Further, be provided with the bleeder valve on the casting tube, all be provided with the flowing back valve on the flowing back pipe, be provided with the air valve on the pressure supply pipe.

Compared with the prior art, the utility model has the following advantage:

(1) the utility model discloses utilize showing the density difference between gas and liquid impurity ingeniously, after the gas that carries liquid impurity gets into the well breather pipe of jar body, under the effect of centrifugal force, liquid impurity will be thrown away rapidly from the mesh of well breather pipe, and continuously get rid of to a jar internal wall, at this in-process, gas will last via well breather pipe upflow and get into next processing link from the gas outlet, and the liquid impurity that is thrown away will be attached to screen cloth or jar internal wall, and then because self gravity collects the back to the body bottom and gets into hydrops case and store via the bleeder tube, with this high-efficient separation of gas and liquid impurity has been realized, gaseous purity and cleanliness factor have been guaranteed, have apparent popularization prospect.

(2) The utility model discloses a breather pipe outer wall is provided with the double screen cloth that sets up with it with the axle center in, and screen cloth A and screen cloth B utilize the mesh of this double screen cloth promptly, can effectively improve the efficiency of hanging out to liquid impurity.

(3) The utility model discloses be connected with the hydrops case through the bleeder line in jar body bottom, can effectively collect the liquid impurity that filters the production to avoided liquid to flow into external environment, caused environmental pollution and the extravagant problem of resource. Meanwhile, the liquid level meter is arranged on the side face of the liquid storage box, so that the storage capacity of liquid impurities in the liquid storage box can be greatly known in real time, the pressure is supplied by being connected to the top of the liquid storage box, and the technical problem that liquid drainage is difficult due to the viscous force between the oil impurities and the inner wall of the liquid storage box can be effectively solved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view of plane a-a in fig. 1.

Fig. 3 is a partially enlarged view of the region B in fig. 1.

Fig. 4 is a schematic view of the position relationship between the screen mesh a, the screen mesh B and the middle vent pipe of the present invention.

Fig. 5 is a schematic view of the connection relationship between the rotation shaft and the middle vent pipe of the present invention.

In the figure: 1. the liquid level meter comprises a tank body, 2, a guide plate, 3, a connecting base, 4, an air outlet, 5, a connecting plate, 6, bolts, 7, bearings A, 8, screens A, 9, screens B, 10, an air inlet, 11, a liquid discharging valve, 12, a liquid discharging pipe, 13, a liquid level meter, 14, a pressure feeding pipe, 15, an air valve, 16, a liquid discharging tank, 17, a liquid discharging pipe, 18, a liquid discharging valve, 19, a support, 20, a support, 21, a motor, 22, an output shaft, 23, a bearing cover, 24, bearings B, 25, a rotating shaft, 26, a middle vent pipe, 27, meshes, 28, support rods A, 29 and support rods B.

Detailed Description

The following will further explain the present invention by taking the purification of biomass fuel gas as an example and combining with the accompanying drawings.

As shown in fig. 1, 2, 3 and 4, the gas-liquid centrifugal separation device comprises a tank body 1, wherein the tank body 1 is supported by a bracket 20, a gas outlet 4 is fixed at the top end of the tank body 1 through a connecting base 3, a gas inlet 10 is arranged at the lower part of the side surface of the tank body 1, and the bottom end of the tank body is connected with a liquid accumulation box 16 through a liquid discharge pipe 12; the middle part of the connecting base 3 is connected with a middle vent pipe 26 through a bearing A7, the middle vent pipe 26 extends into the tank body 1 from top to bottom, the bottom end of the middle vent pipe 26 is fixedly connected with a rotating shaft 25, the rotating shaft 25 is connected with the tank body 1 through a bearing B24, and the rotating shaft 25 extends out of the tank body 1 and is fixedly connected with an output shaft 22 of a motor 21; the middle vent pipe 26 is evenly provided with meshes 27, and the outer wall of the middle vent pipe 26 is provided with a screen which is coaxial with the middle vent pipe.

In order to ensure the separation effect, the screen comprises a screen A8 and a screen B9, the screen A8 and the screen B9 are coaxially arranged with the middle vent pipe 26, the diameter of the screen B9 is smaller than that of the screen A8, and in order to ensure the centrifugal working stability of the screen A8 and the screen B9, the screen A8 is connected with the screen B9 and the screen B9 is connected with the middle vent pipe 26 through a support rod A28.

In order to ensure the installation stability of the liquid accumulating box 16, the liquid accumulating box 16 is installed on the ground through a support 19, so that the storage capacity of liquid such as wood tar, wood vinegar and the like in the liquid accumulating box 16 can be conveniently known in real time, a liquid level meter 13 is arranged on the side surface of the liquid accumulating box 16, a pressure supply pipe 14 is connected to the top of the liquid accumulating box 16 in order to ensure the smooth discharge of the wood tar and the wood vinegar in the liquid accumulating box 16, and a liquid discharge pipe 17 is arranged at the bottom of the liquid accumulating box 16 in order to discharge the wood tar and the wood vinegar.

In order to promote the separated liquid drops of the wood tar, the wood vinegar and the like to be gathered in time and fall into the bottom of the tank body 1, the inner wall of the tank body 1 is uniformly and fixedly connected with a guide plate 2.

For the convenience of disassembly, the connecting plate 5 of the air outlet 4 is connected with the connecting base 3 through a bolt 6, the connecting base 3 is connected with the tank body 1 through the bolt 6, in order to protect the bearing B24, a bearing cover 23 is arranged at the outward end of the bearing B24, and the bearing cover 23 is connected with the tank body 1 through the bolt 6.

In order to ensure that the gas flows upwards smoothly and flows out of the gas outlet 4, the bottom end of the gas outlet 4 is communicated with the top end of the middle vent pipe 26.

In order to ensure that the gas smoothly enters the middle vent pipe 26 from the bottom end of the middle vent pipe 26, the rotating shaft 25 is fixedly connected with the middle vent pipe 26 through a support rod B29, and a gap is reserved between adjacent support rods B29.

In order to control the discharge of the liquid wood tar and the pyroligneous liquor conveniently, a liquid discharging valve 11 is arranged on the liquid discharging pipe 12, liquid discharging valves 18 are arranged on the liquid discharging pipes 17, and an air valve 15 is arranged on the pressure supplying pipe 14 in order to control the input amount of air and ensure the stable discharge of the wood tar and the pyroligneous liquor.

In order to ensure that the screen A8 and the screen B9 can be taken out of the tank body 1 for cleaning after being disassembled, the diameter of the joint of the bottom of the connecting base 3 and the tank body 1 is larger than that of the screen A8.

The utility model discloses a concrete working process as follows:

before working, the air outlet 4 is connected with the air inlet of the next-stage treatment process through the induced draft fan, the liquid discharge valve 18 is ensured to be closed, the liquid discharge valve 11 is ensured to be opened, the motor 21 is electrified, and after the motor 21 drives the middle vent pipe 26, the screen A8 and the screen B9 to be stable in rotation speed, the biomass fuel gas carrying wood vinegar and wood tar is introduced into the tank body 1 from the air inlet 10 and enters a working state at the moment; after entering the tank body 1, biomass fuel gas carrying pyroligneous liquor and wood tar enters the middle vent pipe 26 from the bottom end of the middle vent pipe 26 under the suction of the induced draft fan, and the middle vent pipe 26, the screen A8 and the screen B9 are driven to rotate at high speed by the output shaft 22 and the rotating shaft 25 under the action of the motor 21, so that the air flow entering the middle vent pipe 26 is acted by centrifugal force, liquid impurities such as pyroligneous liquor and wood tar are thrown to the pipe wall of the middle vent pipe 26 due to high density under the influence of continuous centrifugal force, and fly out of the mesh 27 and are thrown to the inner wall of the screen B9, at the moment, part of liquid drops are attached to the inner wall of the screen B9, and the other part of liquid drops pass through the screen B9 and are thrown to the screen A8, at the moment, part of liquid drops are attached to the inner wall of the screen A8, and the other part of liquid drops pass through the screen A8 and are thrown to, the pyroligneous liquid and the wood tar liquid drops attached to the middle vent pipe 26, the screen B9, the screen A8 and the inner wall of the tank body 1 flow downwards or fall off under the action of self gravity and are collected at the bottom of the tank body 1, so that the wood vinegar liquid and the wood tar liquid drops are discharged into the liquid accumulation box 16 from the liquid discharge pipe 12, and in the process, the separated biomass fuel gas continuously flows upwards through the middle vent pipe 26 under the action of an induced draft fan and enters the next-stage treatment process from the gas outlet 4.

Along with the continuous inflow of liquid oily impurities such as wood tar, pyroligneous liquor and the like into the liquid accumulation box 16, the storage amount of the liquid oily impurities such as wood tar, pyroligneous liquor and the like in the liquid accumulation box 16 can be known in real time through the liquid level meter 13, when the liquid level reaches a certain height, the liquid discharge valve 18 on the liquid discharge pipe 17 can be opened, the air valve 15 on the pressure supply pipe 14 is opened, and the liquid oily impurities such as wood tar, pyroligneous liquor and the like can gradually flow into the next treatment process from the liquid discharge pipe 17 under the action of air pressure.

When the whole separation equipment is used for a long time and a large amount of oily impurities are adhered to the screen A8, the screen B9 and the middle vent pipe 26, the output shaft 22 of the motor 21 and the rotating shaft 25 can be detached and separated, the bolt 6 is loosened, the air outlet 4 and the connecting base 3 are detached, the screen A8, the screen B9 and the middle vent pipe 26 are integrally lifted out from the top of the tank body 1 for cleaning, and the separation equipment can be installed in situ after cleaning is completed, so that the separation effect can be effectively ensured.

It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and are not limited. Although the present invention has been described in detail with reference to the embodiments, those skilled in the art will understand that modifications and equivalent substitutions can be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all of them shall fall within the scope of the claims of the present invention.

Claims

1. The utility model provides a gas-liquid centrifugal separation device, includes jar body (1), jar body (1) supports through support (20), its characterized in that: the top end of the tank body (1) is fixed with an air outlet (4) through a connecting base (3), the lower part of the side surface is provided with an air inlet (10), and the bottom end of the tank body is connected with a liquid accumulating box (16) through a liquid discharging pipe (12); the middle part of the connecting base (3) is connected with a middle vent pipe (26) through a bearing A (7), the middle vent pipe (26) extends into the tank body (1) from top to bottom, the bottom end of the middle vent pipe (26) is fixedly connected with a rotating shaft (25), the rotating shaft (25) is connected with the tank body (1) through a bearing B (24), and the rotating shaft (25) extends out of the bottom of the tank body (1) and is fixedly connected with an output shaft (22) of a motor (21); the middle vent pipe (26) is evenly provided with meshes (27), and the outer wall of the middle vent pipe (26) is provided with a screen which is coaxial with the middle vent pipe.

2. A gas-liquid centrifugal separation device according to claim 1, wherein: the screen cloth includes screen cloth A (8) and screen cloth B (9), screen cloth A (8), screen cloth B (9) all with well breather pipe (26) set up with the axle center, just screen cloth A (8) with between screen cloth B (9) with all connect through bracing piece A (28) between well breather pipe (26).

3. A gas-liquid centrifugal separation device according to claim 1, wherein: the liquid accumulating box (16) is installed on the ground through a support (19), the top of the liquid accumulating box (16) is connected with a pressure supply pipe (14), the bottom of the liquid accumulating box is provided with a liquid discharge pipe (17), and the side face of the liquid accumulating box is provided with a liquid level meter (13).

4. A gas-liquid centrifugal separation device according to claim 3, wherein: the liquid discharging pipe (12) is provided with a liquid discharging valve (11), the liquid discharging pipe (17) is provided with a liquid discharging valve (18), and the pressure feeding pipe (14) is provided with an air valve (15).

5. A gas-liquid centrifugal separation device according to claim 1, wherein: the inner wall of the tank body (1) is uniformly and fixedly connected with a guide plate (2).

6. A gas-liquid centrifugal separation device according to claim 1, wherein: connecting plate (5) of gas outlet (4) pass through bolt (6) with connection base (3) are connected, connection base (3) pass through bolt (6) with the jar body (1) are connected, bearing B (24) one end outwards is provided with bearing cap (23), bearing cap (23) pass through bolt (6) with the jar body (1) are connected.

7. A gas-liquid centrifugal separation device according to claim 1, wherein: the bottom end of the air outlet (4) is communicated with the top end of the middle vent pipe (26).

8. A gas-liquid centrifugal separation device according to claim 1, wherein: the rotating shaft (25) is fixedly connected with the middle vent pipe (26) through a support rod B (29).