CN214327660U

CN214327660U - Combined tar purifying and separating device

Info

Publication number: CN214327660U
Application number: CN202023022677.5U
Authority: CN
Inventors: 董鑫
Original assignee: Jiangsu Xinke Energy Co ltd
Current assignee: Jiangsu Xinke Energy Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-10-01
Anticipated expiration: 2030-12-15

Abstract

The utility model discloses a combined tar purifying and separating device, which mainly relates to the technical field of gasification furnaces; the cyclone separator comprises a support frame, wherein a shell is arranged at the top of the support frame, a cyclone separator is arranged in the middle of the top in the shell, a conical barrel with a large upper part and a small lower part is arranged at the bottom end of the cyclone separator, a spray type separator is arranged in a left space in the shell, an airflow speed reducer is arranged in a right space in the shell, an air inlet is arranged at the top of the right side wall of the cyclone separator, an air outlet pipe is vertically arranged in the middle of the shell, an air inlet pipe is arranged at the upper part of the left side of the shell, a drain pipe provided with a valve is arranged at the bottom of the shell, and a bypass pipe with a high left part and a low right part is arranged at the upper side of the shell; the utility model discloses can be fast effectual get rid of the tar in the living beings combustible gas, can reduce remaining moisture in the living beings combustible gas, simple structure, energy consumption are low, efficient, can guarantee the quality of living beings combustible gas.

Description

Combined tar purifying and separating device

Technical Field

The utility model relates to a gasifier technical field specifically is a modular tar purification and separation device.

Background

At present, biomass combustible gas generated by the existing biomass gasification furnace often contains certain tar, and in order to prevent the tar from blocking a pipeline of the biomass combustible gas, decoking treatment is needed. The existing tar treatment method mainly adopts a method combining tower-type vertical cylinder spraying and centrifugal separation, the occupied area of equipment is large, the decoking process is complex, the efficiency is low, the energy consumption is high, and the residual moisture in the decoked biomass combustible gas is large, so that the quality of the biomass combustible gas is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the problem that exists among the prior art, provide a modular tar purification and separation device, biomass combustible gas loops through wet-type cooling purification and separation, dry-type gravity separation, cyclone separation, can effectually get rid of the tar in the biomass combustible gas fast, can reduce remaining moisture in the biomass combustible gas, simple structure, energy consumption are low, efficient, can guarantee the quality of biomass combustible gas.

The utility model discloses a realize above-mentioned purpose, realize through following technical scheme:

a combined tar purifying and separating device comprises a supporting frame, wherein a shell is arranged at the top of the supporting frame, liquid is filled in the shell, a cyclone separator is arranged in the middle of the top in the shell, the top end of the cyclone separator is fixedly connected with the shell, a conical barrel with a large upper part and a small lower part is arranged at the bottom end of the cyclone separator, the bottom end of the conical barrel is inserted into the liquid, the cyclone separator divides the space in the shell into a left space and a right space, a spray type separator is arranged in the left space in the shell, an airflow speed reducer is arranged in the right space in the shell, an air inlet is arranged at the top of the right side wall of the cyclone separator, an air outlet pipe is vertically arranged in the middle of the shell, the bottom end of the air outlet pipe is inserted into the cyclone separator, the bottom end of the air outlet pipe is positioned above the liquid level, and the top end of the air outlet pipe extends out of the shell, the left upper portion of casing is equipped with the intake pipe, the bottom of casing is equipped with the blow off pipe that installs the valve, the upside of casing is equipped with the bypass pipe that the level is high on the right low, the top of outlet duct, intake pipe all communicates with the bypass pipe.

Preferably, the spray-type separator comprises a circulating pump and a spray pipe inserted into the shell, an outlet of the circulating pump is communicated with the spray pipe, and an inlet of the circulating pump is provided with a water inlet pipe inserted into liquid in the shell.

Preferably, a first valve is installed on the bypass pipe, the first valve is located between the air inlet pipe and the air outlet pipe, a second valve is arranged on the air outlet pipe, and a third valve is arranged on the air inlet pipe.

Preferably, the airflow speed reducing devices are provided with a plurality of airflow speed reducing plates which are arranged in a staggered mode, the airflow speed reducing plate on the left side is fixed on the outer wall of the cyclone separator, and the airflow speed reducing plate on the right side is fixed on the inner wall of the shell.

Preferably, the upper side of the sewage draining pipe is provided with a stirrer, and the stirrer is positioned in the shell.

Preferably, the sewage draining pipe is positioned at the right end of the bottom of the shell, and a bottom plate which is higher at the left and lower at the right is arranged at the bottom in the shell.

Preferably, the bottom of the bottom plate is provided with an electric heater.

Preferably, a washing head is arranged at the top of the left end of the bottom plate, and the washing head penetrates through the outer wall of the shell and is fixedly connected with the shell.

Preferably, be equipped with the overflow mouth on the right side wall of casing, the overflow mouth is located the upside of a conical drum's bottom, and is located the downside of cyclone bottom, the left side of overflow mouth is equipped with sealed picture peg, sealed picture peg is located the inside of casing, the top of sealed picture peg and the roof fixed connection in the casing, the bottom of sealed picture peg inserts in the liquid.

Contrast prior art, the beneficial effects of the utility model reside in that:

the by-pass pipe of the utility model is obliquely arranged with high left and low right, and tar remained on the inner wall of the by-pass pipe obliquely flows into the shell due to self gravity, so that the residue of tar in the by-pass pipe can be reduced; the air inlet pipe is used for introducing biomass combustible gas to be decoked into the shell; the biomass combustible gas in the shell sequentially passes through the spray type separator, the airflow speed reducer and the cyclone separator and then is discharged out of the shell through the gas outlet pipe; the spray separator is used for carrying out wet cooling purification separation on tar in the biomass combustible gas; the airflow speed reducer decelerates the biomass combustible gas, part of moisture and tar in the biomass combustible gas are deposited on the airflow speed reducer, and the other part of moisture and tar fall into liquid for dry gravity separation; a flow channel of biomass combustible gas is formed between the outer wall of the conical cylinder and the inner wall of the shell, the biomass combustible gas which is cooled, purified and separated in a wet mode enters the airflow speed reducer through the flow channel for dry gravity separation, and the biomass combustible gas which is separated in the dry gravity separation enters the cyclone separator through the air inlet for cyclone separation; after biomass combustible gas passes through wet cooling purification separation, dry gravity separation and cyclone separation in sequence, tar in the biomass combustible gas can be quickly and effectively removed, residual moisture in the biomass combustible gas can be reduced, the biomass combustible gas treatment device has the characteristics of simple structure, low energy consumption and high efficiency, and the quality of the biomass combustible gas can be ensured.

Drawings

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

The reference numbers in the drawings: 1. a support frame; 2. a housing; 3. a cyclone separator; 4. a tapered barrel; 5. a spray separator; 6. an airflow decelerating device; 7. an air inlet; 8. an air outlet pipe; 9. an air inlet pipe; 10. a blow-off pipe; 11. a bypass pipe; 12. a first valve; 13. a second valve; 14. a third valve; 15. a stirrer; 16. a base plate; 17. an electric heater; 18. a rinsing head; 19. an overflow port; 20. sealing the inserting plate; 51. a circulation pump; 52. and (4) a spray pipe.

Detailed Description

The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope defined in the present application.

Example (b): as shown in the attached drawing 1, a modular tar purification and separation device, including support frame 1, support frame 1 can adopt square tube welding to form, the top of support frame 1 is equipped with casing 2, fill liquid in casing 2, liquid can adopt water, the middle part at top is equipped with cyclone 3 in casing 2, and cyclone 3 is vertical arranges in casing 2, just 3 top welding of cyclone is on the roof in casing 2, and cyclone 3's bottom is located more than the liquid level, cyclone 3's bottom is equipped with big-end-up's a toper section of thick bamboo 4, and the top external diameter of toper section of thick bamboo 4 is the same with cyclone 3's bottom external diameter, and cyclone 3 is arranged in carrying out cyclone to the tar in the biomass combustible gas. The bottom end of the conical cylinder 4 is inserted into liquid and used for carrying out water sealing on the bottom end of the cyclone separator 3, so that biomass combustible gas is prevented from being discharged from the bottom end of the conical cylinder 4. The cyclone separator 3 divides the space in the housing 2 into a left space and a right space, and a circulation passage for communicating the left space and the right space is formed between the outer wall of the conical cylinder 4 and the inner wall of the housing 2. Be equipped with spray separator 5 in the left side space in casing 2, spray separator 5 carries out wet-type cooling purification separation to tar in the biomass combustible gas, and is concrete, spray separator 5 includes circulating pump 51, inserts the shower 52 in casing 2, pipeline and shower 52 intercommunication are passed through to circulating pump 51's export, circulating pump 51's import is equipped with the inlet tube in the liquid that inserts casing 2, directly utilizes the liquid in casing 2 to spray, can reduce extravagantly. Be equipped with air current decelerator 6 in the right side space in the casing 2, air current decelerator 6 decelerates the biomass combustible gas, and partial moisture and the tar among the biomass combustible gas deposit on the outer wall of air current decelerator 6, and some moisture and tar fall into liquid in addition, carry out dry-type gravity separation. Preferably, the airflow speed reducer 6 is a plurality of airflow speed reducers arranged in a staggered manner, the airflow speed reducer on the left side is fixed on the outer wall of the cyclone separator 3, the airflow speed reducer on the right side is fixed on the inner wall of the shell 2, and the airflow speed reducers are all obliquely arranged. The top of cyclone 3's right side wall is equipped with air inlet 7, the vertical outlet duct 8 that is equipped with in middle part of casing 2, the bottom of outlet duct 8 insert in cyclone 3, just the bottom of outlet duct 8 is located more than the liquid level, the top of outlet duct 8 outwards stretches out casing 2, the left upper portion of casing 2 is equipped with intake pipe 9, and intake pipe 9 is used for letting in the living beings combustible gas of treating the decoking to casing 2. The bottom of casing 2 is equipped with the blow off pipe 10 that installs the valve, and blow off pipe 10 is arranged in discharging the filth that deposits in the liquid, the upside of casing 2 is equipped with bypass pipe 11 that the level is high on the left and low on the right, the top of outlet duct 8, intake pipe 9 all communicates with bypass pipe 11. The bypass pipe 11 of the utility model is obliquely arranged with high left and low right, and tar remained on the inner wall of the bypass pipe 11 obliquely flows downwards into the shell 2 due to self gravity, so that the tar residue in the bypass pipe can be reduced; the biomass combustible gas in the shell 2 passes through the spray separator 5, the airflow speed reducer 6 and the cyclone separator 3 in sequence and then is discharged out of the shell through the gas outlet pipe 8; the specific process is as follows: a flow channel of biomass combustible gas is formed between the outer wall of the conical barrel 4 and the inner wall of the shell 2, the biomass combustible gas which is cooled, purified and separated by a wet method enters the airflow speed reducer 6 through the flow channel for dry gravity separation, and the biomass combustible gas which is separated by the dry gravity separation enters the cyclone separator 3 through the air inlet 7 for cyclone separation; after biomass combustible gas passes through wet cooling purification separation, dry gravity separation and cyclone separation in sequence, tar in the biomass combustible gas can be quickly and effectively removed, residual moisture in the biomass combustible gas can be reduced, the biomass combustible gas treatment device has the characteristics of simple structure, low energy consumption and high efficiency, and the quality of the biomass combustible gas can be ensured.

Preferably, for the convenience of the utility model discloses a maintain, install first valve 12 on the bypass pipe 11, first valve 12 is located between intake pipe 9 and the outlet duct 8, be equipped with second valve 13 on the outlet duct 8, be equipped with third valve 14 in the intake pipe 9, through controlling opening and close of first valve 12, second valve 13 and third valve 14, can launch or close the utility model discloses, can be right under the state of not shutting down the utility model discloses maintain.

Preferably, in order to facilitate the discharge of the dirt in the shell, the stirrer 15 is arranged on the upper side of the sewage discharge pipe 10, and the stirrer 15 is positioned in the shell 2, so that the dirt can be prevented from being condensed at the sewage discharge pipe 10, and the discharge of the dirt is facilitated; furthermore, the sewage discharge pipe 10 is positioned at the right end of the bottom of the shell 2, a bottom plate 16 which is high at the left and low at the right is arranged at the bottom in the shell 2, and dirt such as tar on the bottom plate 16 automatically slides to the sewage discharge pipe 10 due to the self gravity, so that the dirt is conveniently discharged; further, an electric heater 17 is arranged at the bottom of the bottom plate 16, and the fluidity of tar on the bottom plate 16 can be improved by heating with the electric heater 17, so that the rapid discharge of dirt is ensured; furthermore, a flushing head 18 is arranged at the top of the left end of the bottom plate 16, the flushing head 18 penetrates through the outer wall of the shell 2 and is fixedly connected with the shell 2, a one-way valve is mounted on the flushing head 18, only liquid can be filled into the shell 2, the flushing head 18 is connected with external high-pressure liquid or a high-pressure air source to flush the bottom plate 16, and therefore the sewage discharge efficiency can be improved.

Preferably, be equipped with overflow mouth 19 on the right side wall of casing 2, overflow mouth 19 is located the upside of the bottom of a cone 4, and is located the downside of cyclone 3's bottom, can prevent that the interior liquid level of casing 2 is too high, the left side of overflow mouth 19 is equipped with sealed picture peg 20, and the width of sealed picture peg 20 is the same with the width of casing 2, sealed picture peg 20 is located the inside of casing 2, roof fixed connection in the top of sealed picture peg 20 and the casing 2, during the bottom of sealed picture peg 20 inserts liquid, and the bottom of sealed picture peg 20 and the bottom surface in the casing 2 leave certain distance, can guarantee that liquid and tar etc. pass through, space seal between the right side of sealed picture peg 20 and the inner wall of casing 2 is sealed picture peg 20 and liquid, can prevent that the left gas of sealed picture peg 20 from getting into the right side space of sealed picture peg 20, can prevent the leakage of the biomass combustible gas.

Claims

1. A combined tar purifying and separating device is characterized in that: comprises a supporting frame (1), a shell (2) is arranged at the top of the supporting frame (1), liquid is contained in the shell (2), a cyclone separator (3) is arranged in the middle of the top in the shell (2), the top end of the cyclone separator (3) is fixedly connected with the shell (2), a conical barrel (4) with a large upper part and a small lower part is arranged at the bottom end of the cyclone separator (3), the bottom end of the conical barrel (4) is inserted into the liquid, the space in the shell (2) is divided into a left space and a right space by the cyclone separator (3), a spray-type separator (5) is arranged in the left space in the shell (2), an airflow speed reducer (6) is arranged in the right space in the shell (2), an air inlet (7) is arranged at the top of the right side wall of the cyclone separator (3), an air outlet pipe (8) is vertically arranged in the middle of the shell (2), the bottom of outlet duct (8) inserts in cyclone (3), just the bottom of outlet duct (8) is located more than the liquid level, the top of outlet duct (8) outwards stretches out casing (2), the left upper portion of casing (2) is equipped with intake pipe (9), the bottom of casing (2) is equipped with blow off pipe (10) that install the valve, the upside of casing (2) is equipped with bypass pipe (11) that the height about is low, the top of outlet duct (8), intake pipe (9) all communicates with bypass pipe (11).

2. The combined tar purifying and separating device according to claim 1, wherein: the spray type separator (5) comprises a circulating pump (51) and a spray pipe (52) inserted into the shell (2), the outlet of the circulating pump (51) is communicated with the spray pipe (52), and the inlet of the circulating pump (51) is provided with a water inlet pipe inserted into liquid in the shell (2).

3. The combined tar purifying and separating device according to claim 1, wherein: the bypass pipe (11) is provided with a first valve (12), the first valve (12) is positioned between the air inlet pipe (9) and the air outlet pipe (8), the air outlet pipe (8) is provided with a second valve (13), and the air inlet pipe (9) is provided with a third valve (14).

4. The combined tar purifying and separating device according to claim 1, wherein: the airflow speed reducing device (6) is composed of a plurality of airflow speed reducing plates which are arranged in a staggered mode, the airflow speed reducing plate on the left side is fixed on the outer wall of the cyclone separator (3), and the airflow speed reducing plate on the right side is fixed on the inner wall of the shell (2).

5. The combined tar purifying and separating device according to claim 1, wherein: the upside of blow off pipe (10) is equipped with agitator (15), agitator (15) are located casing (2).

6. The combined tar purifying and separating device according to claim 1, wherein: the sewage discharge pipe (10) is positioned at the right end of the bottom of the shell (2), and a bottom plate (16) which is higher at the left and lower at the right is arranged at the bottom in the shell (2).

7. The combined tar purifying and separating device according to claim 6, wherein: the bottom of the bottom plate (16) is provided with an electric heater (17).

8. The combined tar purifying and separating device according to claim 6, wherein: the top of the left end of the bottom plate (16) is provided with a washing head (18), and the washing head (18) penetrates through the outer wall of the shell (2) and is fixedly connected with the shell (2).

9. The combined tar purifying and separating device according to claim 1, wherein: be equipped with overflow mouth (19) on the right side wall of casing (2), overflow mouth (19) are located the upside of the bottom of a toper section of thick bamboo (4), and are located the downside of the bottom of cyclone (3), the left side of overflow mouth (19) is equipped with sealed picture peg (20), sealed picture peg (20) are located the inside of casing (2), the top of sealed picture peg (20) and the roof fixed connection in casing (2), the bottom of sealed picture peg (20) inserts in the liquid.