CN110833751A - A coke oven flue gas desulfurization synergistic adsorption tar device - Google Patents

Abstract

The invention discloses a coke oven flue gas desulfurization synergistic tar adsorption device, which comprises a tar adsorption tank and a combustion pipe, wherein the bottom of the tar adsorption tank is provided with the combustion pipe, in the operation process, flue gas rises to a combustion mechanism from a threaded base, an external pipeline is connected to a vent, combustible gas is conveyed to a gas jet through a gas conveying pipe, the combustible gas is ignited by discharging of a discharge spark needle, the insufficiently combusted gas in the flue gas is combusted fully continuously, the combusted gas is continuously upwards conveyed into the tar adsorption tank, a tar adsorbent and calcium oxide are respectively placed in an upper adsorption pipe, an extension adsorption pipe and a lower adsorption pipe in the tar adsorption tank and are sprayed by combining water of spraying mechanisms at two sides, calcium sulfite sediment is generated by the reaction of the calcium oxide and sulfur dioxide, tar is absorbed by the tar adsorbent, and the residual gas is continuously upwards discharged through an external pipeline, the flue gas is desulfurized, and simultaneously, a large amount of tar is discharged, thereby avoiding the pollution to the environment.

Description

A coke oven flue gas desulfurization synergistic adsorption tar device

technical field

The invention relates to the technical field of flue gas treatment, in particular to a coke oven flue gas desulfurization synergistic adsorption tar device.

Background technique

Flue gas refers to the gaseous substances that pollute the environment produced when coal and other fossil fuels are burned. These substances are usually discharged from the flue or chimney. Because of its high temperature, it can be used as a heat carrier for high temperature reaction (600-700 ℃). and sulfur dioxide content is less than 1%, it needs to be emptied after being treated by a gas purification device to reduce environmental pollution. If the furnace is not operated normally, carbon monoxide, nitrogen oxide and other harmful gases will be produced. After the equipment purifies the harmful gas, a large amount of tar or dust remains in the flue gas, and the discharge of the flue gas with a large amount of tar or dust will still cause environmental pollution. Therefore, a purification method that can desulfurize and adsorb tar is developed. Equipment is very necessary.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a coke oven flue gas desulfurization synergistic tar adsorption device, which is mainly composed of a tar adsorption box, an external pipeline and a combustion pipe. During operation, the flue gas rises from the threaded base to the combustion mechanism. Connect the external pipe to the air vent, so that the combustible gas is transported to the air outlet through the conveying air pipe, and the combustible gas is ignited by the discharge spark needle, and the insufficient combustion gas inside the flue gas continues to be fully burned, and the burned gas continues to burn. Go up to the tar adsorption box, the tar adsorbent and calcium oxide are respectively placed in the upper adsorption tube, the extended adsorption tube and the lower adsorption tube in the tar adsorption box, and combined with the water spraying of the spraying mechanisms on both sides, the calcium oxide reacts with sulfur dioxide to form sub Calcium sulfate is precipitated, the tar is absorbed by the tar adsorbent, and the dust settles through the liquid water, and the remaining gas continues to be discharged upward through the external pipeline, so that the flue gas can be desulphurized while removing a large amount of tar to avoid environmental pollution. , in order to solve the problems raised in the above background art.

To achieve the above object, the present invention provides the following technical solutions:

A coke oven flue gas desulfurization synergistic tar adsorption device includes a tar adsorption box, an external pipeline and a combustion pipe. The top of the tar adsorption box is installed with an external pipeline, and the bottom of the tar adsorption box is installed with a combustion pipe.

The tar adsorption box includes a main casing, a threaded slot, a threaded installation casing, a spraying mechanism, a lower installation port, a center plate, a set of fixing bolts, an isolation filter screen, an upper adsorption pipe, a through hole, an extended adsorption pipe and a lower adsorption pipe, The inner side of the top of the main casing is provided with a threaded groove, the threaded installation casing is installed in the threaded groove, the center plate is installed at the center of the threaded installation casing, and an isolation filter is arranged between the central plate and the threaded installation casing. A set of fixing bolts is installed at the center of the center plate, an upper adsorption pipe is installed on the lower side of the center plate, a number of extended adsorption pipes are installed on the lower side of the upper adsorption pipe, and the bottom of the extended adsorption pipe is A lower adsorption tube is installed on the lower side, a plurality of through holes are provided on the upper adsorption tube, the extended adsorption tube and the lower adsorption tube, and spraying mechanisms are respectively installed on the inner walls of the two sides at the center of the main shell. There is a lower installation port at the bottom.

The spraying mechanism includes a snap-fit casing, a threaded sleeve, a sealing ring, an inner plate, a delivery pump, a delivery water pipe, an extension pipe base, an extended water pipe and a spray port. The right side of the snap-fit casing is provided with a threaded jacket, so A sealing ring is installed at the internal connection between the threaded sleeve and the snap-fit housing, an inner plate is provided on the left side of the snap-fit housing, a transfer pump is installed at the center of the right side of the inner plate, and the right side of the transfer pump is installed A water delivery pipe, an extension pipe base is provided on the left side of the delivery pump, an extension water pipe is installed on the left side of the extension pipe base, and a spray port is installed at the end of the extension water pipe.

The combustion tube includes a tube shell, an embedded screw, a combustion mechanism, an installation slot and a threaded base, the top of the tube shell is provided with an embedded screw, and the inner wall of the tube shell is fitted with a combustion mechanism, so The outer lower end of the pipe shell is provided with a mounting slot, and the lower side of the mounting slot is provided with a threaded base.

The combustion mechanism includes a built-in casing, a battery plate, a charging port, a discharge spark needle, a vent, a conveying air pipe and a jet port, and a battery plate is arranged in the upper inner wall of the built-in casing. A charging port is connected, a discharge spark needle is installed on the left side of the battery board, an air injection port is installed on the inner casing on the lower side of the discharge spark needle, and a delivery air pipe is installed on the right side of the air injection port.

Preferably, the battery board is connected to the charging port and the discharge spark needle through connecting wires respectively.

Preferably, there are two sets of the combustion mechanisms, and they are respectively located on the inner walls of both ends of the tube shell.

Preferably, the tip of the discharge spark needle is located at the air jet of the jet port.

Preferably, there are three groups of the extended adsorption tubes.

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

The coke oven flue gas desulfurization synergistic tar adsorption device proposed by the invention is mainly composed of a tar adsorption box, an external pipeline and a combustion pipe. During operation, the flue gas is raised from the threaded base to the combustion mechanism, and the external The pipeline is connected to the ventilation port, so that the combustible gas is transported to the air injection port through the conveying gas pipe, and the combustible gas is ignited by the discharge spark needle, and the gas that is not fully burned in the flue gas continues to be fully burned, and the burned gas continues to go up to In the tar adsorption box, the tar adsorbent and calcium oxide are respectively placed in the upper adsorption tube, the extension adsorption tube and the lower adsorption tube in the tar adsorption box, and combined with the water spraying of the spraying mechanisms on both sides, the calcium oxide reacts with sulfur dioxide to form calcium sulfite Precipitation, the tar is absorbed by the tar adsorbent, while the dust settles through the liquid water mist, and the remaining gas continues to be discharged upward through the external pipeline. The structure of the invention is complete and reasonable. cause pollution to the environment.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the sectional structure schematic diagram of the present invention;

Fig. 3 is the sectional structure schematic diagram of the tar adsorption box of the present invention;

Fig. 4 is the sectional structure schematic diagram of the adsorption tube of the present invention;

Fig. 5 is the sectional structure schematic diagram of the spraying mechanism of the present invention;

Fig. 6 is the sectional structure schematic diagram of the combustion pipe of the present invention;

7 is a schematic cross-sectional structural diagram of the combustion mechanism of the present invention.

In the figure: 1, tar adsorption box; 101, main casing; 102, thread slot; 103, threaded installation casing; 104, spraying mechanism; 1041, snap-in casing; 1042, threaded casing; 1043, sealing ring; Inner plate; 1045, delivery pump; 1046, delivery water pipe; 1047, extension pipe base; 1048, extension water pipe; 1049, spray port; 105, lower installation port; 106, center plate; 107, fixing bolt group; 108, isolation filter Net; 109, upper adsorption tube; 1010, through hole; 1011, extended adsorption tube; 1012, lower adsorption tube; 2, external pipeline; 3, combustion tube; 31, tube shell; 32, embedded screw; 33, combustion Mechanism; 331, embedded shell; 332, battery board; 333, charging port; 334, discharge spark needle; 335, air vent; 336, delivery air pipe; 337, jet port; 34, installation slot;

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to Fig. 1-2, a coke oven flue gas desulfurization synergistic tar adsorption device includes a tar adsorption box 1, an external pipeline 2 and a combustion pipe 3. An external pipeline 2 is installed on the top of the tar adsorption box 1. The combustion tube 3 is installed at the bottom.

3-4, the tar adsorption box 1 includes a main casing 101, a threaded groove 102, a threaded installation casing 103, a spraying mechanism 104, a lower installation port 105, a center plate 106, a set of fixing bolts 107, an isolation filter screen 108, an upper The adsorption tube 109 , the through hole 1010 , the extended adsorption tube 1011 and the lower adsorption tube 1012 are provided with a threaded groove 102 on the inside of the top of the main casing 101 . The center plate 106 is provided with an isolation filter screen 108 between the center plate 106 and the threaded mounting shell 103, the fixing bolt group 107 is installed at the center of the center plate 106, the upper adsorption tube 109 is installed on the lower side of the center plate 106, and the upper adsorption tube 109 Several extension adsorption tubes 1011 are installed on the lower side. There are three groups of extension adsorption tubes 1011. The lower adsorption tube 1012 is installed on the lower side of the lowermost extension adsorption tube 1011. The upper adsorption tube 109, the extension adsorption tube 1011 and the lower adsorption tube 1012 are on the A plurality of through holes 1010 are provided, the inner walls on both sides at the center of the main casing 101 are respectively installed with the spraying mechanisms 104 , and the bottom of the main casing 101 is provided with a lower installation port 105 .

Referring to FIG. 5 , the spraying mechanism 104 includes a snap-fit housing 1041, a threaded sleeve 1042, a sealing ring 1043, an inner plate 1044, a delivery pump 1045, a delivery water pipe 1046, an extension pipe base 1047, an extension water pipe 1048 and a spray port 1049. The right side of the outer casing 1041 is provided with a threaded sleeve 1042, a sealing ring 1043 is installed at the internal connection between the threaded sleeve 1042 and the inner casing 1041, and the left side of the clamping casing 1041 is provided with an inner plate 1044, the center of the right side of the inner plate 1044 A delivery pump 1045 is installed on the right side of the delivery pump 1045, a delivery water pipe 1046 is installed on the right side of the delivery pump 1045, an extension pipe base 1047 is installed on the left side of the delivery pump 1045, an extension pipe 1048 is installed on the left side of the extension pipe base 1047, and a spray port is installed at the end of the extension pipe 1048 1049.

Please refer to FIG. 6 , the combustion tube 3 includes a tube shell 31 , an embedded screw 32 , a combustion mechanism 33 , a mounting slot 34 and a threaded base 35 , the top of the tube shell 31 is provided with an embedded screw 32 , and the inner wall of the tube shell 31 The combustion mechanism 33 is installed on the upper clamp. There are two groups of the combustion mechanism 33, and they are respectively located on the inner walls of the two ends of the tube shell 31. The outer lower end of the tube shell 31 is provided with an installation slot 34, and the lower side of the installation slot 34 is provided with an installation slot 34. Threaded base 35.

Referring to FIG. 7 , the combustion mechanism 33 includes an inner casing 331 , a battery plate 332 , a charging port 333 , a discharge spark needle 334 , a ventilation port 335 , a delivery air pipe 336 and an air injection port 337 . The battery board 332, the battery board 332 is connected to the charging port 333 and the discharge spark pin 334 by connecting wires, the upper right side of the battery board 332 is connected to the charging port 333, and the left side of the battery board 332 is installed with a discharge spark pin 334 and a discharge spark pin The tip of 334 is located at the jetting place of the jetting port 337 , the inner casing 331 on the underside of the discharge spark needle 334 is installed with the jetting port 337 , and the right side of the jetting port 337 is equipped with a delivery gas pipe 336 .

The working principle of the present invention: the coke oven flue gas desulfurization synergistic tar adsorption device of the present invention is mainly composed of a tar adsorption box 1, an external pipeline 2 and a combustion pipe 3. During operation, the flue gas rises from the threaded base 35 up to the At the combustion mechanism 33, the external pipe is connected to the ventilation port 335, so that the combustible gas is transported to the air injection port 337 through the conveying gas pipe 336, and the combustible gas is ignited by the discharge spark needle 334, and the insufficient combustion of the gas inside the flue gas is carried out. Continue to burn fully, and the gas after combustion continues upward to the tar adsorption box 1. The upper adsorption tube 109, the extended adsorption tube 1011 and the lower adsorption tube 1012 in the tar adsorption box 1 are respectively placed with tar adsorbent and calcium oxide, and combined with the two. Moisture spraying by the side spraying mechanism 104, wherein calcium oxide reacts with sulfur dioxide to form calcium sulfite precipitation, the tar is absorbed by the tar adsorbent, and the dust settles through the liquid water mist, and the remaining gas continues to be discharged upward through the external pipeline 2, so that the When the flue gas is desulfurized, a large amount of tar is removed to avoid environmental pollution.

To sum up: the coke oven flue gas desulfurization synergistic tar adsorption device of the present invention is mainly composed of a tar adsorption box 1, an external pipeline 2 and a combustion pipe 3. During operation, the flue gas rises from the threaded base 35 to combustion At the mechanism 33, the external pipe is connected to the ventilation port 335, so that the combustible gas is transported to the gas injection port 337 through the conveying gas pipe 336, and the combustible gas is ignited by the discharge spark needle 334, and the insufficient combustion of the gas inside the flue gas is continued. The combustion is sufficient, and the gas after combustion continues upward to the tar adsorption box 1. The upper adsorption tube 109, the extended adsorption tube 1011 and the lower adsorption tube 1012 in the tar adsorption box 1 are respectively placed with tar adsorbent and calcium oxide, and combined with both sides Moisture spraying by the spraying mechanism 104, wherein calcium oxide reacts with sulfur dioxide to form calcium sulfite precipitation, tar is absorbed by the tar adsorbent, and dust is settled through liquid water mist at the same time, and the remaining gas continues to be discharged upward through the external pipeline 2, the present invention The structure is complete and reasonable. When the flue gas is desulfurized, a large amount of tar is removed to avoid environmental pollution.

The above is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. The equivalent replacement or change of the inventive concept thereof shall be included within the protection scope of the present invention.

Claims (5)

1. The device for the synergistic adsorption of tar in the flue gas desulfurization of the coke oven is characterized by comprising a tar adsorption tank (1), an external pipeline (2) and a combustion pipe (3), wherein the external pipeline (2) is arranged at the top of the tar adsorption tank (1), and the combustion pipe (3) is arranged at the bottom of the tar adsorption tank (1);

the tar adsorption box (1) comprises a main shell (101), a thread clamping groove (102), a thread installation shell (103), a spraying mechanism (104), a lower installation opening (105), a central plate (106), a fixed bolt group (107), an isolation filter screen (108), an upper adsorption pipe (109), a through hole (1010), an extension adsorption pipe (1011) and a lower adsorption pipe (1012), wherein the thread clamping groove (102) is arranged on the inner side of the top of the main shell (101), the thread installation shell (103) is installed in the thread clamping groove (102), the central plate (106) is installed at the center of the thread installation shell (103), the isolation filter screen (108) is arranged between the central plate (106) and the thread installation shell (103), the fixed bolt group (107) is installed at the center of the central plate (106), the upper adsorption pipe (109) is installed on the lower side of the central plate (106), and a plurality of extension adsorption pipes (1011) are installed on the lower side of the upper adsorption pipe (109), a lower adsorption pipe (1012) is arranged on the lower side of the lowermost extension adsorption pipe (1011), a plurality of through holes (1010) are formed in the upper adsorption pipe (109), the extension adsorption pipe (1011) and the lower adsorption pipe (1012), spraying mechanisms (104) are respectively arranged on the inner walls of two sides of the center of the main shell (101), and a lower mounting opening (105) is formed in the bottom of the main shell (101);

the spraying mechanism (104) comprises a clamping and embedding shell (1041), a threaded sleeve (1042), a sealing ring (1043), an inner plate (1044), a delivery pump (1045), a delivery water pipe (1046), an extension pipe base (1047), an extension water pipe (1048) and a spraying opening (1049), a threaded sleeve (1042) is arranged on the right side of the embedded shell (1041), a sealing ring (1043) is arranged at the inner connection part of the threaded sleeve (1042) and the embedded shell (1041), an inner plate (1044) is arranged on the left side of the clamping and embedding shell (1041), a delivery pump (1045) is installed in the center of the right side of the inner plate (1044), a delivery water pipe (1046) is arranged on the right side of the delivery pump (1045), an extension pipe base (1047) is arranged on the left side of the delivery pump (1045), an extension water pipe (1048) is arranged on the left side of the extension pipe base (1047), and a spray nozzle (1049) is arranged at the tail end of the extension water pipe (1048);

the combustion tube (3) comprises a tube shell (31), an embedded screw (32), a combustion mechanism (33), an installation clamping groove (34) and a threaded base (35), wherein the embedded screw (32) is arranged at the top of the tube shell (31), the combustion mechanism (33) is installed on the inner wall of the tube shell (31) in a clamping and embedding manner, the installation clamping groove (34) is arranged at the lower end of the outer side of the tube shell (31), and the threaded base (35) is arranged on the lower side of the installation clamping groove (34);

burning mechanism (33) are including embedded shell (331), battery board (332), charge mouthful (333), the spark needle that discharges (334), vent (335), carry trachea (336) and air jet (337), be equipped with battery board (332) in the upside inner wall of embedded shell (331), charge mouthful (333) are connected to the upper right side of battery board (332), spark needle (334) are discharged in the left side installation of battery board (332), install air jet (337) on embedded shell (331) of discharging spark needle (334) downside, air jet (336) are transported in the right side installation of air jet (337).

2. The coke oven flue gas desulfurization and tar adsorption device in coordination with the coke oven flue gas desulfurization of claim 1, wherein the battery plate (332) is connected with the charging port (333) and the discharging spark needle (334) through connecting wires.

3. The coke oven flue gas desulfurization and tar adsorption device in coordination according to claim 1, wherein there are two sets of the combustion mechanisms (33) respectively located on the inner walls of the two ends of the tube housing (31).

4. The coke oven flue gas desulfurization synergistic tar adsorption device as claimed in claim 1, characterized in that the tip of said sparking needle (334) is located at the gas injection site of the gas injection port (337).

5. The coke oven flue gas desulfurization and tar adsorption device in coordination with the coke oven flue gas desulfurization method of claim 1, wherein the elongated adsorption tubes (1011) are provided with three groups in total.

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