CN212451320U

CN212451320U - Gas-liquid separation spiral filter

Info

Publication number: CN212451320U
Application number: CN202021045076.3U
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 separation spiral filter, wherein an air inlet is arranged above the side surface of a tank body, an air outlet is arranged at the top part, a cooling jacket is arranged outside the tank body, a fixed plate horizontally arranged is fixedly connected above the inside of the tank body, the middle part of the upper surface of the fixed plate is fixedly connected with a gas barrier buffer sieve plate through a support column, the middle part of the lower surface is fixedly connected with a breather pipe, the bottom end of the breather pipe is fixedly connected with the inner wall of the tank body through a sieve plate, the outer wall of the breather pipe is fixedly provided with spiral flow passages distributed from; the bottom of one side of the cooling jacket is provided with a liquid injection port, and the upper part of the other side of the cooling jacket is provided with a liquid exchange port. The utility model discloses a set up the mode of spiral runner in the jar body, prolonged gaseous flow path, showing the downflow speed that has reduced gaseous entering jar body after, slowed down gaseous smooth degree that flows down, improved grease impurity's condensation efficiency, improved gas-liquid separation's efficiency and gaseous purity.

Description

Gas-liquid separation spiral filter

Technical Field

The utility model relates to a gas-liquid separation equipment field specifically is a gas-liquid separation spiral filter.

Background

The biomass gas is a combustible energy converted from crop straws, forest waste, edible fungus residues, cattle, sheep and livestock manure and all combustible substances as raw materials. In the process of producing biomass gas by a gasification furnace, components such as pyroligneous liquor and wood tar are produced, and therefore, in order to obtain high-purity biomass gas, it is necessary to perform a purification treatment.

At present, the purification technology for tar dust in biomass gas at home and abroad mainly comprises three modes of wet purification, dry purification and cracking purification. Wherein, the wet-type purification system mainly adopts a water washing method to remove tar and dust, the purification system generally connects two or more water washing filters together to purify biomass gas, the system cost is low, the operation is simple, the purification system in the initial stage of biomass gasification technology generally adopts the mode, but the mode is gradually eliminated due to the following defects: (1) the tar-containing wastewater is usually directly discharged to cause water pollution; (2) a large amount of tar runs off with water, so that energy is wasted; (3) the purification effect is not good. The dry purification is a purification method adopting multi-stage filtration, such as two-stage cyclone dust removal, one-stage tubular cooler and box filter purification system adopted in a fixed bed downdraft biomass gasification unit, so that dust particles and tar in the crude gas are not washed by water, secondary pollution to water and soil can be avoided, but the purification system has poor tar removal effect and serious tar deposition. The cracking and purification technology is a technology for cracking tar produced in gasification into usable disposable gas by a certain method, such as thermal cracking, catalytic cracking, and electric cracking, and the purification technology can better recycle the energy contained in the tar and has a high purification rate, but the process is complicated and difficult to popularize and utilize, for example: catalytic cracking requires separate units and high temperatures, and the cracking unit needs to be operated continuously (otherwise the efficiency is too low), which limits the applicability, and the whole system is complicated and the gas outlet temperature is high.

Therefore, in view of the above technical problems of the existing biogas separation and purification system, there is a need to develop a gas-liquid separation device which has a simple structure, is convenient for process operation, and can avoid excessive resource waste.

SUMMERY OF THE UTILITY MODEL

To above technical problem, the utility model aims to solve the technical problem that a gas-liquid separation spiral filter that equipment structure is simple, technology convenient operation just can avoid the excessive waste of resource is provided.

In order to solve the technical problem, the spiral gas-liquid separation filter comprises a tank body, wherein the tank body is supported by a support, an air inlet is formed in the upper part of the side surface of the tank body, an air outlet is formed in the top of the side surface of the tank body, a cooling sleeve is arranged outside the tank body, a horizontally arranged fixed plate is fixedly connected above the inside of the tank body, an air blocking buffer sieve plate is fixedly connected in the middle of the upper surface of the fixed plate through a support column, a vent pipe is fixedly connected in the middle of the lower surface of the fixed plate, the bottom end of the vent pipe is fixedly connected with the inner wall of the tank body through a sieve plate, spiral flow passages distributed from; the bottom of one side of the cooling jacket is provided with a liquid injection port, and the upper part of the other side of the cooling jacket is provided with a liquid exchange port.

Further, the top of the liquid accumulating box is connected with a pressure supply pipe, the bottom of the liquid accumulating box is provided with a liquid discharge pipe, and the side surface of the liquid accumulating box is provided with a liquid level meter.

Further, all be provided with the bleeder valve on bleeder line, the fluid-discharge tube, be provided with the air valve on the pressure supply pipe.

Furthermore, a plurality of scraping plates are uniformly distributed on two sides of the spiral flow channel in a staggered manner, and through holes are uniformly formed in the scraping plates.

Further, an inspection cleaning opening is vertically formed in the top of the tank body, and the air outlet is fixedly connected to the side face of the inspection cleaning opening.

Furthermore, the middle part of the fixing plate is provided with a vent hole, the diameter of the vent hole is not more than the inner diameter of the vent pipe, and the diameter of the air blocking buffer sieve plate is not less than 1.1 times of the diameter of the vent hole.

Furthermore, the opening position of the air inlet is not higher than the setting position of the fixing plate, and the air inlet and the top end of the spiral flow channel are in the same horizontal line.

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

(1) the utility model discloses a set up the mode of spiral runner in the jar body, prolonged gaseous flow path, showing the downflow speed that has reduced gaseous entering jar body after, slowed down gaseous smooth degree that flows down, improved grease impurity's condensation efficiency, improved gas-liquid separation's efficiency and gaseous purity.

(2) The utility model discloses set up the cooling jacket at jar external wall, and the circulation direction of the coolant in this cooling jacket and the opposite direction of mist downward flow can effectively reduce the internal temperature of jar, and then realize the high-efficient condensation to grease debris, improved gaseous and wherein grease impurity separation efficiency.

(3) The utility model discloses be connected with the long-pending liquid case bottom the gas storehouse under through the bleeder, can effectively collect the liquid impurity after the condensation to avoided during liquid flows 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 given through connection at the top of the liquid storage box, the technical problem that liquid drainage caused by the viscous force between the oil impurities and the inner wall of the liquid storage box is difficult can be effectively solved, and the liquid level meter has a remarkable popularization prospect.

(4) The utility model discloses a set up staggered arrangement's scraper blade on spiral runner, make gaseous along spiral runner snakelike downflow, further slowed down gaseous smooth degree of downflow, utilize the grease debris that the scraper blade probably carried in to gas to strike off, can effectively improve the separation efficiency of gaseous and grease impurity.

(5) The utility model discloses structural design is simple, and technology convenient operation can be applied to the purification piece-rate system to biomass gas, has apparent separation efficiency and good separation effect.

Drawings

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

Fig. 2 is a top view of fig. 1.

Fig. 3 is a schematic structural diagram of the fixing plate of the present invention.

Fig. 4 is a schematic structural view of the scraper of the present invention.

In the figure: 1. the device comprises a tank body, 2, a spiral flow channel, 3, a liquid exchange port, 4, a support column, 5, an air outlet, 6, an inspection cleaning port, 7, a gas-blocking buffer sieve plate, 8, a fixing plate, 9, an air inlet, 10, a vent pipe, 11, a liquid injection port, 12, a sieve plate, 13, an air valve, 14, a pressure supply pipe, 15, a liquid accumulation box, 16, a liquid discharge pipe, 17, a liquid level meter, 18, a liquid discharge valve, 19, a liquid discharge pipe, 20, a support, 21, a cooling jacket, 22, a scraper, 23, a vent hole, 24 and a through hole.

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, 4, a gas-liquid separation spiral filter comprises a tank body 1, the tank body 1 is supported by a support 20, a gas inlet 9 is arranged above the side surface of the tank body 1, a gas outlet 5 is arranged at the top, a cooling jacket 21 is arranged outside the tank body 1, a horizontally arranged fixing plate 8 is fixedly connected above the inside of the tank body, a gas barrier buffer sieve plate 7 is fixedly connected to the middle of the upper surface of the fixing plate 8 through a support column 4, a vent pipe 10 is fixedly connected to the middle of the lower surface of the fixing plate 8, the bottom end of the vent pipe 10 is fixedly connected to the inner wall of the tank body 1 through a sieve plate 12, spiral flow channels 2 distributed from top to bottom are fixedly arranged; the bottom of one side of the cooling jacket 21 is provided with a liquid injection port 11, and the upper part of the other side is provided with a liquid changing port 3.

Preferably, the spiral flow channel 2 is of a slide structure.

In order to facilitate real-time understanding of the storage capacity of the wood tar, the pyroligneous liquor and other liquids in the liquid accumulating box 15, a liquid level meter 17 is arranged on the side face of the liquid accumulating box 15, a liquid discharge pipe 16 is arranged at the bottom of the liquid accumulating box 15 for discharging the wood tar and the pyroligneous liquor, and a pressure supply pipe 14 is connected to the top of the liquid accumulating box 15 for ensuring smooth discharge of the wood tar and the pyroligneous liquor in the liquid accumulating box 15.

In order to control the liquid wood tar and the pyroligneous liquid conveniently, the liquid discharging pipe 19 and the liquid discharging pipe 16 are both provided with liquid discharging valves 18, and in order to control the air input quantity and ensure the stable discharge of the wood tar and the pyroligneous liquid, the pressure feeding pipe 14 is provided with an air valve 13.

In order to slow down the flowing speed of the gas-liquid mixture and effectively scrape impurities such as wood tar, wood vinegar and the like, preferably, a plurality of scraping plates 22 are uniformly distributed on two sides of the spiral flow passage 2 in a staggered manner, and through holes 24 are uniformly formed in the scraping plates 22 in order to ensure that the scraped wood tar and wood vinegar smoothly flow down.

In order to conveniently inspect the internal condition of the tank body 1 and conveniently clean the inner wall of the tank body 1, the top of the tank body 1 is vertically provided with an inspection cleaning port 6, and preferably, the air outlet 5 is fixedly connected to the side surface of the inspection cleaning port 6.

In order to ensure that the purified gas can be smoothly discharged from the top of the vent pipe 10, the middle part of the fixing plate 8 is provided with a vent hole 23, in order to facilitate the connection of the vent pipe 10, the diameter of the vent hole 23 is not more than the inner diameter of the vent pipe 10, and in order to further improve the scraping rate of wood tar and wood vinegar, the diameter of the air-blocking buffer sieve plate 7 is not less than 1.1 times of the diameter of the vent hole 23.

In order to ensure that the gas-liquid mixture can enter the smooth spiral flow passage 2, the opening position of the gas inlet 9 is not higher than the setting position of the fixing plate 8 and is in the same horizontal line with the top end of the spiral flow passage 2.

The utility model discloses a concrete working process as follows:

before working, the liquid injection port 11 and the liquid changing port 3 are respectively communicated with an outlet and an inlet of a condensate storage tank by pipelines, condensate gradually enters the cooling jacket 21 from the liquid injection port 11 and gradually fills the cooling jacket 21, and meanwhile, the gas outlet 5 is communicated with an inlet of the next treatment process; at this time, the low temperature of the condensate enters the tank body 1 through the tank wall, after confirming that the inspection cleaning opening 6 is closed, the high temperature biomass gas mixed with the wood tar and the wood vinegar in the gas state is sent into the tank body 1 from the gas inlet 9, the mixed gas continuously flows downwards along the spiral flow passage 2 after entering the tank body 1, the scraper blades 22 at the two sides of the spiral flow passage 2 impels the mixed gas to flow downwards in a snake shape in the flowing process, the wood tar and the wood vinegar in the gas state are gradually condensed into liquid oily impurities such as the wood tar and the wood vinegar due to the low temperature in the flowing process, therefore, in the flowing process, the scraper blades 22 scrape the liquid oily impurities such as the wood tar and the wood vinegar mixed in the gas, the scraped liquid oily impurities such as the wood tar and the wood vinegar fall into the spiral flow passage 2 along the scraper blades 22 and the through holes 24 and continuously flow downwards along the spiral flow passage 2, until the water flows out of the tail end of the spiral flow channel 2, and the water penetrates through the screen plate 12 and enters the bottom of the tank body 1; at this time, the gas passes through the bottom of the vent pipe 10 and overflows upwards until the gas overflows the top of the vent pipe 10, and then overflows from the gas-blocking buffer sieve plate 7 or overflows from the space between the support columns 4, in the process of overflowing, the body of the gas-blocking buffer sieve plate 7 and the support columns 4 scrape off liquid oily impurities such as wood tar, wood vinegar and the like possibly contained in the gas again, the scraped liquid oily impurities such as wood tar, wood vinegar and the like flow into the bottom of the tank body 1 through the inner wall 10 of the vent pipe, and the treated gas enters the next treatment process from the gas outlet 5; in the above process, all the grease impurities scraped by the vent pipe 10, the choke buffer sieve plate 7, the support column 4 and the scraper 22 are concentrated at the bottom of the tank body 1, as long as the liquid discharge valve 18 on the liquid discharge pipe 19 is opened, the liquid oily impurities such as wood tar, wood vinegar and the like flow into the liquid accumulation box 15 for temporary storage, and continuously flow into the liquid accumulation box 15 along with the liquid oily impurities such as wood tar, wood vinegar and the like, the storage amount of the liquid oily impurities such as wood tar, wood vinegar and the like in the liquid accumulation box 15 can be known in real time through the liquid level meter 17, when the liquid level reaches a certain height, the liquid discharge valve 18 on the liquid discharge pipe 16 can be opened, the air valve 13 on the pressure supply pipe 14 is opened, and the liquid oily impurities such as wood tar, wood vinegar and the like gradually flow into the next treatment process from the liquid.

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 separation spiral filter, includes jar body (1), jar body (1) supports through support (20), its characterized in that: an air inlet (9) is formed in the upper side of the side face of the tank body (1), an air outlet (5) is formed in the top of the tank body, a cooling jacket (21) is arranged outside the tank body (1), a horizontally arranged fixing plate (8) is fixedly connected to the upper side of the inside of the tank body, an air blocking buffer sieve plate (7) is fixedly connected to the middle of the upper surface of the fixing plate (8) through a support column (4), an air vent pipe (10) is fixedly connected to the middle of the lower surface of the fixing plate (8), the bottom end of the air vent pipe (10) is fixedly connected with the inner wall of the tank body (1) through a sieve plate (12), spiral flow channels (2) distributed from top to bottom are fixedly arranged on; the bottom of one side of the cooling jacket (21) is provided with a liquid injection port (11), and the upper part of the other side is provided with a liquid exchange port (3).

2. A gas-liquid separation spiral filter according to claim 1, wherein: the top of the liquid accumulating box (15) is connected with a pressure supply pipe (14), the bottom of the liquid accumulating box is provided with a liquid discharge pipe (16), and the side surface of the liquid accumulating box is provided with a liquid level meter (17).

3. A gas-liquid separation spiral filter according to claim 2, wherein: the liquid discharging pipe (19) and the liquid discharging pipe (16) are both provided with liquid discharging valves (18), and the pressure feeding pipe (14) is provided with an air valve (13).

4. A gas-liquid separation spiral filter according to claim 1, wherein: a plurality of scraping plates (22) are uniformly distributed on two sides of the spiral flow channel (2) in a staggered mode, and through holes (24) are uniformly formed in the scraping plates (22).

5. A gas-liquid separation spiral filter according to claim 1, wherein: the top of the tank body (1) is vertically provided with an inspection cleaning opening (6), and the gas outlet (5) is fixedly connected to the side surface of the inspection cleaning opening (6).

6. A gas-liquid separation spiral filter according to claim 1, wherein: the middle part of the fixing plate (8) is provided with a vent hole (23), the diameter of the vent hole (23) is not more than the inner diameter of the vent pipe (10), and the diameter of the air blocking buffer sieve plate (7) is not less than 1.1 times of the diameter of the vent hole (23).

7. A gas-liquid separation spiral filter according to claim 1, wherein: the opening position of the air inlet (9) is not higher than the setting position of the fixing plate (8), and the air inlet and the top end of the spiral flow channel (2) are in the same horizontal line.