CN212327855U - Graphite falling film absorption tower - Google Patents
Graphite falling film absorption tower Download PDFInfo
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- CN212327855U CN212327855U CN202020289538.XU CN202020289538U CN212327855U CN 212327855 U CN212327855 U CN 212327855U CN 202020289538 U CN202020289538 U CN 202020289538U CN 212327855 U CN212327855 U CN 212327855U
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Abstract
The utility model provides a graphite falling film absorption tower, which comprises an upper sealing cover, an absorption cylinder and a lower sealing cover, wherein a tower body is divided by a sealing plate to be positioned in a primary mixing chamber, an absorption cooling chamber and a gas-liquid separation chamber; a graphite absorption pipe is fixedly arranged in the absorption cylinder, one end of the graphite absorption pipe extends into the gas-liquid separation chamber, and the other end of the graphite absorption pipe extends above the flow distribution plate; compared with the prior art, the utility model discloses a change in flow distribution plate aperture will be in a large number from the near-end absorption liquid that can not in time discharge to the distribution of inlet distal end to guarantee the evenly distributed of whole preliminary mixing chamber absorption liquid, avoid the absorption liquid too concentrated, guarantee that all graphite absorption tubes all have sufficient absorption liquid, realize the make full use of graphite absorption tube, improve falling liquid film and absorb his work efficiency.
Description
Technical Field
The utility model relates to a chemical industry equipment technical field, concretely relates to graphite falling liquid film absorption tower.
Background
The graphite falling film absorber is a falling film type gas absorber mainly composed of impermeable graphite, which is a graphite product impermeable to fluid media such as gas, vapor, and liquid. The graphite material is a special non-metallic material, not only has good physical and mechanical properties and processability, but also has excellent corrosion resistance and high thermal conductivity, so the graphite material is an ideal material for manufacturing chemical anti-corrosion equipment; however, in the prior art, the absorption liquid inlet pipe of the graphite falling film absorption tower is located on one side of the tower body, in the practical process, the absorption liquid is accumulated on one side close to the absorption liquid inlet pipe, the far end is distributed less, and then a liquid film cannot be normally formed or is not continuous in the graphite absorption pipe of the far end, so that the absorption quality of the gas is influenced, and further the working efficiency of the absorption tower is reduced.
SUMMERY OF THE UTILITY MODEL
The defect that absorption tower work efficiency is low to existence among the prior art, the utility model discloses a graphite falling liquid film absorption tower adopts the utility model discloses can effectively utilize the treatment effeciency of improve equipment to the equipment at absorption tower middle part.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
a graphite falling film absorption tower comprises a tower body, wherein the tower body comprises an upper sealing cover, an absorption cylinder and a sealing cover which are sequentially connected in a sealing manner, and sealing plates are arranged at the upper end and the lower end of the absorption cylinder, so that the tower body is divided into a primary mixing chamber, an absorption cooling chamber and a gas-liquid separation chamber from top to bottom; the upper sealing cover is also provided with a splitter plate, a liquid inlet hole and an air inlet hole, the outlet end of the liquid inlet hole is positioned at the lower side of the splitter plate, and the air inlet hole is positioned at the upper side of the splitter plate; the inner diameter of the overflow hole along the direction far away from the liquid inlet hole is increased in a linear mode; a graphite absorption pipe is fixedly arranged in the absorption cylinder, one end of the graphite absorption pipe penetrates through the sealing plate and extends into the gas-liquid separation chamber, the other end of the graphite absorption pipe penetrates through the sealing plate and the flow distribution plate and extends above the flow distribution plate, and a flow distribution weir pipe is fixedly arranged on the graphite absorption pipe at the end; the absorption cylinder is provided with a cooling liquid inlet, a cooling spray pipe is fixedly arranged in the absorption cylinder, one end of the cooling spray pipe is sealed, the other end of the cooling spray pipe is connected with the cooling liquid inlet, and a plurality of spray heads are uniformly arranged on the inner side of the cooling spray pipe; a cooling liquid return pipe which extends into the absorption cooling chamber is arranged in the gas-liquid separation chamber; and a liquid discharge pipe and an exhaust pipe are arranged on the lower sealing cover.
Preferably, a flow equalizing plate is further arranged in the upper sealing cover, and the air inlet pipe is positioned right above the flow equalizing plate; a plurality of air holes are radially formed in the flow equalizing plate, and the inner diameters of the air holes increase in a linear mode along the direction far away from the air inlet pipe.
Preferably, a spherical guide plate is fixedly arranged in the gas-liquid separation chamber, the guide plate protrudes to one side of the absorption cooling chamber, and the periphery of the guide plate is connected with the lower sealing cover through a support rod; the graphite absorption tubes are all located right above the guide plate, the liquid discharge tube is located right below the guide plate, and the inlet end of the exhaust pipe is located below the guide plate.
Preferably, the sealing plate positioned at the lower side of the absorption cylinder is in an arc shape with a lower middle part and higher two ends, and the inlet end of the cooling liquid return pipe is positioned at the center of the sealing plate.
Preferably, a plurality of fixing rods fixedly connected with the graphite absorption tubes are staggered in the absorption cylinder.
Preferably, the cooling spray pipe is fixedly arranged on the inner wall of the absorption cooling chamber in a spiral shape, a plurality of spray heads are uniformly arranged on the inner side of the cooling spray pipe, and the spray heads are opposite to the graphite absorption pipe.
Preferably, the cooling shower is a plurality of independent ring pipes, and it is fixed in the absorbing cylinder inner wall according to the certain distance, through communicating pipe intercommunication between the adjacent cooling shower, the inside a plurality of shower heads that evenly are provided with of cooling shower, the cooling shower that is located absorbing cylinder top or bottom communicates with the coolant liquid import.
Preferably, the cooling spray pipe is further connected with an auxiliary cooling pipe extending into the middle of the absorption cylinder, and a plurality of spray heads are uniformly arranged on the auxiliary cooling pipe.
Preferably, the shunting weir pipe includes and be provided with the connection boss of mutually supporting on the graphite absorption tube, and shunting weir pipe top is provided with the reposition of redundant personnel tooth that is the cockscomb structure.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model comprises a tower body, the tower body comprises an upper sealing cover, an absorption cylinder and a lower sealing cover which are mutually sealed and connected, the tower body is divided by a sealing plate to locate a primary mixing chamber, an absorption cooling chamber and a gas-liquid separation chamber, the upper sealing cover is provided with a splitter plate, a liquid inlet and a gas inlet, the liquid inlet and the gas inlet are respectively arranged at two sides of the splitter plate, the splitter plate is provided with an overflow hole, and the inner diameter of the overflow hole is linearly increased along the direction away from the liquid inlet hole; a graphite absorption pipe is fixedly arranged in the absorption cylinder, one end of the graphite absorption pipe extends into the gas-liquid separation chamber, and the other end of the graphite absorption pipe extends above the flow distribution plate; compared with the prior art, the absorption liquid entering the primary mixing chamber is blocked by the splitter plate and can only flow out of the overflow hole and then flow to the inlet of the graphite absorption tube at the upper end of the splitter plate; simultaneously because the overflow hole aperture that is close to the inlet is minimum, and the overflow hole aperture that keeps away from the inlet increases, its overflow hole has played the allotment effect to the flow, promptly under the effect of conveying pressure, will follow a large amount of absorption liquid that can not in time discharge from the near-end and distribute to the inlet distal end, thereby guarantee the evenly distributed of whole just mixing chamber absorption liquid, avoid the absorption liquid too concentrated, guarantee that all graphite absorption tubes all have sufficient absorption liquid, realize the make full use of graphite absorption tube, improve falling liquid film and absorb his work efficiency.
2. The utility model is also provided with a flow equalizing plate in the upper sealing cover, and the air inlet pipe is positioned right above the flow equalizing plate; a plurality of air holes are radially arranged on the flow equalizing plate, and the inner diameters of the air holes are linearly increased along the direction far away from the air inlet pipe; the large concentrated gas entering from the gas inlet is dispersed and not supplied to the primary mixing chamber through the flow equalizing plate, so that the absorption liquid in the primary mixing chamber can be fully and effectively contacted with the gas, and the treatment efficiency is improved; the change of the air holes and the inner diameters of the air holes can further improve the balance of air distribution, avoid over concentration of air, particularly improve the concentration of the far end of the air inlet so as to adapt the concentration of absorption liquid and air, and improve the working efficiency of the absorption tower.
3. The spherical guide plate is fixedly arranged in the gas-liquid separation chamber of the utility model and protrudes to one side of the absorption cooling chamber; the periphery of the guide plate is connected with the lower sealing cover through the support rods, the graphite absorption tubes are located right above the guide plate, the liquid discharge tube is located right below the guide plate, the inlet end of the exhaust pipe is located below the guide plate, and when the graphite absorption tube is used, absorption liquid directly drops on the guide plate and moves towards the inner surface of the lower sealing cover along the surface of the arc-shaped guide plate, finally flows into the bottom surface of the lower sealing cover from a gap between the support rods, and flows out of the liquid discharge tube; and gaseous then natural dispersion is in gas-liquid separation indoor to finally discharge from the gas vent that is located the guide plate below, compare with prior art, the utility model discloses a gaseous and liquid motion route is prolonged, therefore gravity has sufficient time to make the two separation, and the separation effect of gaseous and liquid is better.
4. The utility model discloses it is middle low to be at the closing plate that is located the absorption cylinder downside, the arc setting that both ends are high, coolant liquid back flow entry end is located the central point of closing plate and puts, is favorable to the recovery to the coolant liquid, avoids the coolant liquid siltation in the absorption cylinder, can enough improve the circulation efficiency of coolant liquid, also can avoid a large amount of coolant liquids to silt up in the absorption cylinder for a long time simultaneously and cause a section of thick bamboo in the temperature rise unusually, influences the cooling effect.
5. The utility model discloses crisscross being provided with a plurality of dead levers that link to each other with the graphite absorption tube is fixed in an absorption section of thick bamboo, improving the stability of graphite absorption tube, avoiding it to take place not hard up in the course of the work to improve equipment's stability and reliability.
6. The cooling spray pipe of the utility model is fixedly arranged on the inner wall of the absorption cooling chamber in a spiral shape, and a plurality of spray heads are uniformly arranged on the inner side of the cooling spray pipe, and the spray heads are just opposite to the graphite absorption pipe; the comprehensive cooling of the graphite absorption tube in the absorption cylinder is guaranteed to spray and cover, so that the cooling effect is improved, and the absorption effect is prevented from being influenced by local overheating.
7. The utility model discloses cooling shower includes a plurality of communicating pipes and a plurality of annular spray branch pipe that is, and spray branch pipe evenly is fixed in the absorption cylinder inner wall, through communicating pipe intercommunication between the adjacent spray branch pipe, spray branch pipe inboard evenly is provided with a plurality of shower heads, and arbitrary spray branch pipe and coolant liquid import intercommunication guarantee to be located the comprehensive cooling of the graphite absorption tube in the absorption cylinder and spray the cover to improve the cooling effect, avoid local overheated influence absorption effect.
8. The utility model discloses a still be connected with the auxiliary cooling pipe who gos deep into the absorbing cylinder middle part on the cooling shower, evenly be provided with a plurality of shower heads on the auxiliary cooling pipe, spray cooling is carried out to the graphite absorbing tube that lies in absorbing cylinder inside, improves the cooling effect, avoids appearing local overheat.
9. The utility model discloses a reposition of redundant personnel weir pipe include with graphite absorption tube on be provided with the connection boss of mutually supporting, reposition of redundant personnel weir pipe top is provided with the reposition of redundant personnel tooth that is the cockscomb structure, and above-mentioned structure can effectively guarantee that the through-flow internal diameter of reposition of redundant personnel weir pipe is unanimous with graphite absorption tube through-flow internal diameter, avoids appearing the difference in height, and then guarantees that the coolant liquid can form liquid film, improve equipment's absorption efficiency in graphite absorption tube.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of embodiment 2 of the present invention;
FIG. 3 is a schematic diagram of the structure of the splitter plate of the present invention;
FIG. 4 is a schematic view of the structure of the flow equalizing plate of the present invention;
FIG. 5 is an enlarged schematic view of part A of the present invention;
reference numerals: 1. the device comprises an upper sealing cover, 2, an absorption cylinder, 3, a lower sealing cover, 4, a sealing plate, 5, a primary mixing chamber, 6, an absorption cooling chamber, 7, a gas-liquid separation chamber, 8, a flow distribution plate, 9, a liquid inlet hole, 10, an air inlet hole, 11, an overflow hole, 12, a graphite absorption tube, 13, a flow distribution weir pipe, 14, a cooling liquid inlet, 15, a cooling spray pipe, 16, a spray header, 17, a cooling liquid return pipe, 18, a liquid discharge pipe, 19, an exhaust pipe, 20, a flow equalization plate, 21, an air vent, 22, a flow guide plate, 23, a support rod, 24, a fixing rod, 25, a communicating pipe, 26, an auxiliary cooling pipe, 27, a connecting boss, 28, a flow distribution tooth, 29 and a mounting.
Detailed Description
The present invention will be further described with reference to the following description and examples, which include but are not limited to the following embodiments.
Embodiment mode 1
The embodiment is taken as the basic embodiment of the utility model, and discloses a graphite falling film absorption tower, the concrete structure is shown in fig. 1, and the absorption tower comprises an absorption cylinder 2, the upper end and the lower end of the absorption cylinder 2 are respectively fixedly and hermetically connected with an upper sealing cover 1 and a lower sealing cover 3 through connecting flanges, and the upper end and the lower end of the absorption cylinder 2 are fixedly provided with sealing plates 4, so that the internal space of the whole tower body is divided into a primary mixing chamber 5, an absorption cooling chamber 6 and a gas-liquid separation chamber 7 from top to bottom; the upper sealing cover 1 is provided with a flow distribution plate 8, a liquid inlet hole 9 and an air inlet hole 10, wherein the air inlet hole 10 is positioned at the upper part of the upper sealing cover 1, the flow distribution plate 8 is positioned at the middle part of the upper sealing cover 1, the liquid inlet hole 9 is positioned at the lower part of the upper sealing cover so as to separate the liquid inlet hole 9 from the air inlet hole 10, the flow distribution plate 8 is provided with an overflow hole 11, and the inner diameter of the overflow hole 11 is increased in a linear mode along the direction far away from the liquid inlet hole 9; a graphite absorption tube 12 is fixedly arranged in the absorption cylinder 2, the graphite absorption tube 12 is of a structure with two open ends, one end of the graphite absorption tube passes through a sealing plate 4 positioned at the bottom of the absorption cylinder 2 and is inserted into the gas-liquid separation chamber 7, the other end of the graphite absorption tube simultaneously passes through the sealing plate 4 positioned at the upper part of the absorption cylinder 2 and a mounting hole 29 positioned on a flow plate 8 in the upper sealing cover 1, the outlet end of the graphite absorption tube 12 is positioned at the upper side of the flow plate 8, the graphite absorption tube 12 at the end is also fixedly connected with a flow distribution weir tube 13, and a connecting boss 27 which is mutually matched is arranged between the flow distribution weir tube 13 and the graphite absorption tube; meanwhile, the top of the flow dividing weir pipe 13 is provided with a serrated flow dividing tooth 28;
a cooling spray pipe 15 is arranged in the absorption cylinder 2, and one section of the cooling spray pipe 15 is opened and the other section is sealed; the open end of the cooling spray pipe is communicated with a cooling liquid inlet 14 arranged at the bottom or the top of the absorption cylinder 2, and meanwhile, a cooling spray pipe 15 is spirally wound in the absorption cylinder 2 and is fixedly connected with the inner wall of the absorption cylinder 2; the sealing plate 4 positioned at the bottom of the absorption cylinder 2 is arranged in an arc shape with a low middle part and high two ends, a cooling liquid return pipe 17 is fixedly arranged at the lowest point of the sealing plate, and the cooling liquid return pipe 17 penetrates through the gas-liquid separation chamber 7 to extend out of the tower body and is connected with a corresponding recovery pipeline; a plurality of spray headers 16 are fixedly arranged on the inner side of the cooling spray pipe 15, and the spray headers 16 are opposite to the graphite absorption pipe 12;
the cooling spray pipe 15 is also connected with an auxiliary cooling pipe 26, the auxiliary cooling pipe 26 extends into the middle of the absorption cylinder 2, a plurality of spray heads 16 are uniformly arranged on the auxiliary cooling pipe 26, and the spray heads 16 are opposite to the graphite absorption pipe 12.
The gas-liquid separation chamber 7 is provided with a drain pipe 18 at the bottom and an exhaust pipe 19 at the side.
Embodiment mode 2
The embodiment is another preferred embodiment of the present invention, which discloses a graphite falling film absorption tower, the specific structure of which is shown in fig. 2, and the absorption tower comprises a tower body, the tower body comprises an upper sealing cover 1, an absorption cylinder 2 and a lower sealing cover 3 which are sequentially and hermetically connected, sealing plates 4 are respectively arranged at the upper end and the lower end of the absorption cylinder 2, and the internal space of the tower body is divided into a primary mixing chamber 5, an absorption cooling chamber 6 and a gas-liquid separation chamber 7 by the sealing plates; the upper sealing cover 1 is provided with an air inlet hole 10 and a liquid inlet hole 9, the air inlet hole 10 is positioned at the top of the upper sealing cover 1, the outlet end of the air inlet hole is opposite to a flow equalizing plate 20 fixedly connected with the upper sealing cover 1, a plurality of air holes 21 are uniformly arranged on the flow equalizing plate 20, the air holes 21 are radially distributed on the flow equalizing plate 20, and the inner diameter of the air holes 21 is linearly increased along the direction far away from the air inlet hole 10;
further, a graphite absorption tube 12 is fixedly arranged in the absorption cooling chamber 6 through a fixing rod 24, both ends of the graphite absorption tube 12 are of an open structure, one end of the graphite absorption tube is inserted into the gas-liquid separation chamber 7, the other end of the graphite absorption tube passes through the sealing plate 4 and the flow distribution plate 8, and the outlet end of the graphite absorption tube is positioned between the flow distribution plate 8 and the flow equalization plate 20;
further, a cooling spray pipe 15 is fixedly arranged in the absorption cylinder 2, the cooling spray pipe 15 is of an annular structure and is fixed on the inner wall of the absorption cylinder 2 at a certain interval, adjacent cooling spray pipes 15 are communicated through a vertically arranged communicating pipe 25 and are communicated with a cooling liquid inlet 14 through the cooling spray pipe 15 positioned at the top or the bottom; meanwhile, the inner side of the cooling spray pipe 15 is also provided with a spray header 16 and an auxiliary cooling pipe 26 which extends into the center of the absorption cylinder 2, the spray header 16 is arranged on the auxiliary cooling pipe 26, and all the spray headers 16 are opposite to the graphite absorption pipe 12.
Further, a guide plate 22 is arranged in the gas-liquid separation chamber 7, the guide plate 22 is an arc protruding towards one side of the absorption cooling chamber 6, support rods 23 connected with the inner wall of the lower sealing cover 3 are arranged around the guide plate 22, the liquid discharge pipe 18 is positioned at the central position of the bottom of the lower sealing cover 3, and the outlet ends of all the graphite absorption pipes 12 are opposite to the guide plate 22 so as to ensure that absorption liquid enters the bottom of the lower sealing cover 3 after being guided by the guide plate 22; and an exhaust pipe 19 is arranged on the side surface of the lower sealing cover 3, and the inlet end of the exhaust pipe 19 extends to the position right below the guide plate 22.
When the utility model is used, the absorption liquid is introduced through the liquid inlet, the gas to be treated is introduced through the air inlet, when the absorption liquid enters between the splitter plate and the sealing plate, the absorption liquid which does not reach the near-end overflow hole overflows from the far-end overflow hole under the action of conveying pressure because the overflow hole close to one side of the liquid inlet is small in aperture and the overflow hole far away from one side of the liquid inlet is large in aperture, thereby ensuring that the absorption liquid uniformly enters into the primary mixing chamber above the splitter plate; simultaneously according to the same principle, the gas to be treated is uniformly distributed in the primary mixing chamber after being divided by the flow equalizing plate, so that the uniform distribution in the whole primary mixing chamber is ensured, the utilization rate of the graphite absorption tube is greatly improved, and the working efficiency of the absorption tower is improved.
Claims (9)
1. The utility model provides a graphite falling liquid film absorption tower, includes the tower body, and the tower body is including airtight connection's last sealed lid (1), an absorption section of thick bamboo (2) and lower sealed lid (3) in proper order, its characterized in that: the upper end and the lower end of the absorption cylinder (2) are respectively provided with a sealing plate (4), so that the tower body is divided into a primary mixing chamber (5), an absorption cooling chamber (6) and a gas-liquid separation chamber (7) from top to bottom; the upper sealing cover (1) is also provided with a splitter plate (8), a liquid inlet hole (9) and an air inlet hole (10), the outlet end of the liquid inlet hole (9) is positioned at the lower side of the splitter plate (8), and the air inlet hole (10) is positioned at the upper side of the splitter plate (8); the flow distribution plate (8) is provided with overflow holes (11), and the inner diameters of the overflow holes (11) along the direction far away from the liquid inlet hole (9) are increased in a linear mode; a graphite absorption pipe (12) is fixedly arranged in the absorption cylinder (2), one end of the graphite absorption pipe (12) penetrates through the sealing plate (4) to be deep into the gas-liquid separation chamber (7), the other end of the graphite absorption pipe penetrates through the sealing plate (4) and the flow distribution plate (8) to be deep above the flow distribution plate (8), and a flow distribution weir pipe (13) is fixedly arranged on the graphite absorption pipe (12); a cooling liquid inlet (14) is formed in the absorption cylinder (2), a cooling spray pipe (15) is fixedly arranged in the absorption cylinder (2), one end of the cooling spray pipe (15) is sealed, the other end of the cooling spray pipe is connected with the cooling liquid inlet (14), and a plurality of spray heads (16) are uniformly arranged on the inner side of the cooling spray pipe (15); a cooling liquid return pipe (17) which extends into the absorption cooling chamber (6) is arranged in the gas-liquid separation chamber (7); and a liquid discharge pipe (18) and an exhaust pipe (19) are arranged on the lower sealing cover (3).
2. A graphite falling film absorber according to claim 1, wherein: a flow equalizing plate (20) is also arranged in the upper sealing cover (1), and the air inlet (10) is positioned right above the flow equalizing plate (20); the flow equalizing plate (20) is radially provided with a plurality of air holes (21), and the inner diameters of the air holes (21) are linearly increased along the direction far away from the air inlet hole (10).
3. A graphite falling film absorber according to claim 1, wherein: a spherical guide plate (22) is fixedly arranged in the gas-liquid separation chamber (7), the guide plate (22) protrudes towards one side of the absorption cooling chamber (6), and the periphery of the guide plate (22) is connected with the lower sealing cover (3) through a support rod (23); the graphite absorption pipes (12) are all located right above the guide plate (22), the liquid discharge pipe (18) is located right below the guide plate (22), and the inlet end of the exhaust pipe (19) is located below the guide plate (22).
4. A graphite falling film absorber according to claim 1, wherein: the sealing plate (4) positioned on the lower side of the absorption cylinder (2) is in an arc shape with a low middle part and high two ends, and the inlet end of the cooling liquid return pipe (17) is positioned at the central position of the sealing plate (4).
5. A graphite falling film absorber according to claim 1, wherein: a plurality of fixing rods (24) fixedly connected with the graphite absorption tubes (12) are arranged in the absorption cylinder (2) in a staggered manner.
6. A graphite falling film absorber according to claim 1, wherein: the cooling spray pipe (15) is fixedly arranged on the inner wall of the absorption cooling chamber (6) in a spiral shape, a plurality of spray heads (16) are uniformly arranged on the inner side of the cooling spray pipe, and the spray heads (16) are opposite to the graphite absorption pipe (12).
7. A graphite falling film absorber according to claim 1, wherein: the cooling spray pipes (15) are a plurality of independent annular pipes and are fixed on the inner wall of the absorption cylinder (2) at a certain distance, adjacent cooling spray pipes (15) are communicated through communicating pipes (25), and the cooling spray pipes (15) positioned at the top or the bottom of the absorption cylinder (2) are communicated with the cooling liquid inlet (14).
8. A graphite falling film absorber according to any one of claims 1, 6 and 7, wherein: the cooling spray pipe (15) is also connected with an auxiliary cooling pipe (26) which extends into the middle part of the absorption cylinder (2), and a plurality of spray heads (16) are uniformly arranged on the auxiliary cooling pipe (26).
9. A graphite falling film absorber according to claim 1, wherein: a connecting boss (27) which is matched with each other is arranged between the flow dividing weir pipe (13) and the graphite absorption pipe (12), and a serrated flow dividing tooth (28) is arranged at the top of the flow dividing weir pipe (13).
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CN202020289538.XU CN212327855U (en) | 2020-03-11 | 2020-03-11 | Graphite falling film absorption tower |
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CN202020289538.XU CN212327855U (en) | 2020-03-11 | 2020-03-11 | Graphite falling film absorption tower |
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