CN109111954B

CN109111954B - High-efficiency coal gas preparation method

Info

Publication number: CN109111954B
Application number: CN201811121471.2A
Authority: CN
Inventors: 侯显英
Original assignee: Sixian Tianyuan Straw Recycling Co Ltd
Current assignee: Sixian Tianyuan straw recycling Co., Ltd
Priority date: 2018-09-26
Filing date: 2018-09-26
Publication date: 2020-11-17
Anticipated expiration: 2038-09-26
Also published as: CN109111954A

Abstract

The invention belongs to the technical field of coal gas production, and particularly relates to a high-efficiency coal gas preparation method, which comprises the following steps: putting raw material coal into a coal gasification device, and introducing high-purity oxygen and medium-pressure steam into the coal gasification device to prepare raw coal gas; introducing the crude gas into a shift converter to carry out shift reaction; introducing the crude gas into a heat exchanger for coal chemical production for cooling; a temperature difference generator is arranged beside the coal chemical production heat exchanger, and a storage battery pack is arranged to store the generated electric energy; a cold air generator is arranged beside the coal chemical production heat exchanger, the cold air generator is powered by a storage battery, and cold air generated by the cold air generator is conveyed to the side of a fan blade of the coal chemical production heat exchanger through a pipeline; desulfurizing and decarbonizing the crude gas by using a low-temperature methanol washing device to prepare gas; the invention can rapidly produce high-quality coal gas and has low production cost.

Description

High-efficiency coal gas preparation method

Technical Field

The invention belongs to the technical field of coal gas production, and particularly relates to a high-efficiency coal gas preparation method.

Background

The coal gas is gas which is prepared by processing coal as a raw material and contains combustible components. According to the processing method, the coal gas property and the application, the method is divided into the following steps: the coal gasification obtains water gas, semi-water gas and air gas. With the development of society, the proportion of coal gas occupied in human life is larger and larger, the consumption of coal gas is more and more, and the required coal gas is more and more; when the existing gas manufacturing process is used for producing gas, the consumed time is usually too long, the combustion value of the prepared gas is low, the quality of the prepared gas is poor, the efficiency of preparing the gas is low, the energy consumption in the process is high, and how to quickly prepare the high-quality gas becomes a problem needing to be solved.

Disclosure of Invention

In order to make up for the defects of the prior art, the invention provides an efficient coal gas preparation method, which effectively improves the cooling speed of the crude coal gas by cooling the crude coal gas by adopting a coal chemical production heat exchanger, thereby shortening the time required by the coal gas preparation process and effectively improving the coal gas preparation efficiency.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a high-efficiency coal gas preparation method, which comprises the following steps:

s1: putting raw material coal into a coal gasification device, and introducing high-purity oxygen and medium-pressure steam into the coal gasification device to prepare raw coal gas;

s2: after the crude gas is prepared in the S1, introducing the crude gas into a shift converter for shift reaction;

s3: the crude gas in the S2 is transformed and then is introduced into a heat exchanger for coal chemical production for cooling, so that the cooling time of the crude gas is effectively shortened, and the production efficiency of the gas is improved;

s4: after cooling in S3, arranging a thermoelectric generator beside the heat exchanger for coal chemical production, and arranging a storage battery to store the generated electric energy, so that the heat exchanged from the crude gas is reasonably utilized, and the waste of energy is avoided;

s5: after the temperature difference generator is arranged in the S4, the cold air generator is arranged beside the coal chemical production heat exchanger, the cold air generator is powered by the storage battery, and cold air generated by the cold air generator is conveyed to the sides of fan blades of the coal chemical production heat exchanger through a pipeline, so that the cooling efficiency of the heat exchanger is effectively enhanced, crude gas is rapidly cooled, the time required by gas production is shortened, the production efficiency is improved, meanwhile, electricity generated by the temperature difference of the coal chemical production heat exchanger is utilized to drive the cold air generator to work, energy is effectively saved, and the cost is reduced;

s6: after the cold air generator is arranged in the S5, the low-temperature methanol washing device is used for desulfurizing and decarbonizing the crude gas to prepare the gas;

the coal chemical production heat exchanger adopted in S3 comprises a machine body, a first liquid guide pipe, a second liquid guide pipe, a bent pipe, a partition plate, a movable frame, a motor, a crankshaft and a controller; the machine body is provided with a cooling medium inlet and a cooling medium outlet, the cooling medium inlet is positioned at the left lower part of the machine body, and the cooling medium outlet is positioned at the right lower part of the machine body; the outer wall of the right lower part of the machine body is also provided with a circulating cooling pump, the circulating cooling pump is respectively connected with a cooling medium inlet and a cooling medium outlet, and the circulating cooling pump is used for realizing the circulation of a cooling medium; the first liquid guide pipe is arranged on a bottom plate below the machine body, the upper end of the first liquid guide pipe is positioned in the machine body, the first liquid guide pipe is uniformly distributed in the horizontal direction, and the first liquid guide pipe is used for realizing the movement of a cooled substance in the machine body; the second liquid guide pipe is movably arranged outside the first liquid guide pipe, an oval branched pipeline is arranged at the upper end of the second liquid guide pipe, and the second liquid guide pipe is used for conveying cooling substances; a discharge pipe is also arranged in the machine body, one end of the discharge pipe is connected with the upper end of the second liquid guide pipe on the rightmost side, the other end of the discharge pipe is positioned outside the machine body, and the discharge pipe is used for discharging cooled objects; the number of the bent pipes is two, one bent pipe connects the top ends of the two second liquid guide pipes on the left side in a refining manner, and the other bent pipe connects the tail ends of the two first liquid guide pipes on the right side; the partition plate is positioned in the middle of the machine body and is used for dividing the machine body into an upper cavity and a lower cavity; the movable frame is of a cylindrical structure with openings at two ends, a first piston plate is arranged on the outer wall of the movable frame, the movable frame is movably arranged in the partition plate, and a spring is arranged between the first piston plate of the movable frame and the upper surface of the partition plate; the second liquid guide pipe is also provided with a conveying plate, the conveying plate is uniformly arranged on the second liquid guide pipe along the vertical direction, the outer end of the conveying plate seals the inner wall of the movable frame, the conveying plate can slide in the movable frame, and the conveying plate is used for conveying cooling media; the motor is arranged on the right side of the machine body; the crankshaft is positioned in the machine body, the left end of the crankshaft is rotatably installed on the left side wall of the machine body, the right end of the crankshaft is connected with an output shaft of the motor, a connecting rod journal below the crankshaft penetrates through an oval branched pipeline at the upper end of the second liquid guide pipe, and the crankshaft is used for driving the second liquid guide pipe to move up and down; the controller is located above the machine body and used for controlling the motor and the circulating cooling pump to work. When the cooling device works, the cooling medium is conveyed into the machine body from the cooling medium inlet, the cooled object is conveyed into the lower end of the first liquid guide pipe on the leftmost side, the cooled object realizes heat exchange in the machine body through the three first liquid guide pipes, the two bent pipes and the three second liquid guide pipes, and is discharged through the discharging pipe; in the process, the motor is controlled to rotate by the controller, the motor drives the crankshaft to rotate, and the connecting rod journal below the crankshaft penetrates through the oval branched pipeline at the upper end of the second liquid guide pipe, so that the second liquid guide pipe moves up and down in the machine body under the action of the crankshaft, the conveying plate moves up and down, low-temperature cooling media continuously move upwards along with the conveying plate, and meanwhile high-temperature cooling media are discharged into the space above the partition plate, cooled objects are fully cooled, the cooling efficiency is improved, and the practicability of the heat exchanger is improved; meanwhile, the controller controls the circulating cooling pump to work, so that the high-temperature cooling medium is conveyed to the circulating cooling pump for cooling, the cooled cooling medium is conveyed to the machine body again, the circulation of the cooling medium is realized, the waste of the cooling medium is avoided, the cost is saved, meanwhile, the sufficient cooling medium is kept in the machine body all the time, and the working efficiency of the heat exchanger is improved.

A downward one-way valve is also arranged on the first piston plate; surface mounting has the stock solution frame on the baffle, and stock solution frame outer wall circumference evenly is provided with the honeycomb duct, and two are no less than to honeycomb duct quantity, and the honeycomb duct both ends all are linked together with stock solution frame is inside, are provided with decurrent check valve in the honeycomb duct, and stock solution frame right side below is linked together through pipeline and circulative cooling pump. When the cooling device works, along with the continuous up-and-down movement of the conveying plate, high-temperature cooling medium is continuously conveyed into the liquid storage frame, and simultaneously the movable frame moves up and down under the action of the friction force of the conveying plate, so that the first piston plate moves up and down along with the movable frame, when the first piston plate moves upwards, the space below the first piston plate generates negative pressure, so that the high-temperature cooling medium above the first piston plate enters the space below the first piston plate through the one-way valve on the first piston plate, and simultaneously, cooling substances above the first piston plate enter the space below the first piston plate through the one-way valve in the flow guide pipe, when the first piston plate moves downwards, the first piston plate extrudes the cooling medium, so that the high-temperature cooling medium is conveyed into the circulating cooling pump through the pipeline, along with the continuous up-and-down movement of the conveying plate, the low-temperature cooling medium continuously ascends from the space below the partition plate to cool, meanwhile, the cooling medium with high temperature after heat exchange is continuously conveyed into the liquid storage frame, and the piston plate continuously moves up and down, so that the cooling material with high temperature is continuously conveyed into the circulating cooling pump for cooling and recycling, the consumption of the cooling material is reduced, the cost is saved, the cooling efficiency is improved, and the practicability of the heat exchanger is improved.

The machine body is also internally provided with three fixing frames, the fixing frames are fixed at the bottom of the machine body, the number and the distribution of the fixing frames correspond to those of the first liquid guide pipe, the first liquid guide pipe penetrates through the fixing frames, the fixing frames are internally provided with two piston plates, the first liquid guide pipe is wrapped by the two piston plates, the two piston plates can move on the first liquid guide pipe, the left side and the right side of the upper end of the fixing frames are provided with one-way liquid inlet valves and one-way liquid outlet valves, the one-way liquid outlet valves are connected with the circulating cooling pump through pipelines, and the fixing frames are used for absorbing low-temperature; the top of the machine body is also provided with an air bag which is an elastic air bag, the air bag is communicated with the bottom of the fixed frame through a pipeline, and the air bag is used for realizing the up-and-down motion of the second piston plate. When the crankshaft rotates, a connecting rod journal of the crankshaft is continuously contacted with and separated from the air bag, the air bag is an elastic air bag, so that the air bag is continuously compressed and recovered, and further a second piston plate in a fixed frame communicated with the air bag continuously moves up and down, when the second piston plate moves downwards, a negative pressure is generated in the space above the second piston plate, so that a cooling medium enters the second piston plate to dissipate heat of a part of liquid guide pipe in the fixed frame, the heat exchange efficiency of the heat exchanger is improved, when the second piston plate moves upwards, the second piston plate extrudes the heated cooling substance in the fixed frame, so that the heated cooling substance is discharged into the circulating cooling pump to be cooled and circulated, and along with the continuous up and down movement of the second piston plate, the low-temperature cooling substance continuously enters the fixed frame to cool the cooled substance in the liquid guide pipe, meanwhile, the heated cooling medium is discharged into the circulating cooling pump, so that the heat exchange effect of the heat exchanger is effectively improved, the cooled object is sufficiently cooled, the consumption of cooling substances is effectively reduced, and the cost is saved.

Be equipped with the louvre on the organism, the louvre is located baffle top organism, and the pellicle has been laid outward to the louvre, and the pellicle only allows the air in the organism to pass through, and the louvre is used for supplementary cooling. During operation, the setting of louvre for heat in the organism is continuous to external transport, thereby the effectual temperature that has reduced in the organism, has improved the heat transfer effect of heat exchanger, and the existence of pellicle has avoided partial cooling medium to volatilize under the high temperature condition and has discharged the organism simultaneously, has avoided cooling medium's waste, has avoided cooling medium to cause the pollution to the environment simultaneously, makes more having the practicality of heat exchanger.

A first belt wheel is further arranged on the output shaft of the motor; an installation block is further embedded on the right side wall of the machine body, a connecting shaft is arranged on the installation block, one end of the connecting shaft is located in the machine body, and the other end of the connecting shaft is located outside the machine body; the fan blade and the second belt wheel are arranged at two ends of the connecting shaft, the second belt wheel is positioned at the right end of the connecting shaft, and the second belt wheel is used for driving the connecting shaft and the fan blade to rotate; and the belt is arranged on the second belt wheel and the first belt wheel and used for realizing transmission between the second belt wheel and the first belt wheel. The during operation, a band pulley rotates along with the motor, and the belt makes No. two band pulleys rotate along with a band pulley to make the fan leaf rotate, the heat in baffle top space is quick under the fan leaf effect outside the discharge machine body through the louvre, thereby the effectual temperature that reduces the organism, and then make that the heat exchanger is better cool off by the cooling thing, improved the heat exchange efficiency of heat exchanger.

The conveying plate is made of memory alloy with a two-way memory effect, the metamorphosis temperatures of the memory alloy of the conveying plates on the three liquid guide pipes II are different, the metamorphosis temperatures are reduced from left to right in sequence, the conveying plate is in a bowl-shaped form at low temperature, the conveying plate is in a flat plate form at high temperature, and the two forms are used for facilitating conveying of cooling media. The during operation, the transport plate drives the coolant of baffle below upward movement when rising, the bowl form has improved the transport effect of transport plate, make more coolant carried, at the in-process of carrying, the continuous improvement of coolant's in the transport plate temperature, when the height of transport plate is higher than the movable frame top, the memory metal that the transport plate used reaches abnormal temperature, thereby make the transport plate change flat form into, and then make the complete entering into the stock solution frame of coolant in the transport plate, the coolant of having avoided partial high temperature remains in the transport plate, and mix with the low temperature coolant of baffle below along with the decline of transport plate, make the complete discharge of high temperature coolant, thereby the effectual heat exchange efficiency who improves the heat exchanger, the cooling performance of heat exchanger has been improved.

The invention has the following beneficial effects:

1. according to the efficient coal gas preparation method, the raw coal gas is cooled by the coal chemical production heat exchanger, so that the cooling speed of the raw coal gas is effectively increased, the time required by the coal gas preparation process is shortened, the coal gas preparation efficiency is effectively improved, meanwhile, the prepared coal gas is high in heat value by taking high-purity oxygen as a raw material, meanwhile, the temperature difference of the coal chemical production heat exchanger is utilized for power generation, the heat energy exchanged from the raw coal gas is reasonably utilized, and the cost is effectively reduced.

2. According to the efficient coal gas preparation method, the crude coal gas is cooled by the coal chemical production heat exchanger, the heat exchanger enables the second liquid guide pipe to move up and down by utilizing the rotation of the crankshaft, so that the conveying plate moves up and down, and the low-temperature cooling medium is continuously conveyed upwards by the up-and-down movement of the conveying plate, so that the crude coal gas in the first liquid guide pipe and the second liquid guide pipe is rapidly cooled to the required temperature, the time required by crude coal gas cooling is effectively shortened, and the production efficiency of the coal gas is improved.

3. According to the efficient coal gas preparation method, the crude coal gas is cooled by the coal chemical production heat exchanger, and the heat exchanger cools and recycles the cooling medium heated in the machine body by using the circulating cooling pump, so that enough cooling medium is ensured to be in the machine body, the crude coal gas is rapidly cooled, the loss of the cooling medium is reduced, the cost is saved, and the production cost of the coal gas is reduced.

Drawings

FIG. 1 is a flow chart of the present invention;

FIG. 2 is a front view of the coal chemical production heat exchanger of the present invention;

FIG. 3 is a schematic view of the oval branched tube at the upper end of the second catheter of the present invention;

in the figure: the device comprises a machine body 1, a first liquid guide pipe 2, a second liquid guide pipe 3, a bent pipe 4, a partition plate 5, a movable frame 6, a motor 7, a crankshaft 8, a fixed frame 9, a second belt wheel 10, a cooling medium inlet 11, a cooling medium outlet 12, a circulating cooling pump 13, a discharge pipe 14, an air bag 15, a heat dissipation hole 16, an installation block 17, a connecting shaft 18, a fan blade 19, a conveying plate 31, a liquid storage frame 51, a flow guide pipe 52, a first piston plate 61, a first belt wheel 71 and a second piston plate 91.

Detailed Description

The method for producing a high-efficiency gas according to an embodiment of the present invention will be described below with reference to fig. 1 to 3.

As shown in fig. 1 to 3, the present invention provides a high efficiency gas production method, which comprises the following steps:

the coal chemical production heat exchanger adopted in S3 comprises a machine body 1, a first liquid guide pipe 2, a second liquid guide pipe 3, an elbow pipe 4, a partition plate 5, a movable frame 6, a motor 7, a crankshaft 8 and a controller; a cooling medium inlet 11 and a cooling medium outlet 12 are arranged on the machine body 1, the cooling medium inlet 11 is positioned at the lower left of the machine body 1, and the cooling medium outlet 12 is positioned at the lower right of the machine body 1; a circulating cooling pump 13 is further arranged on the outer wall of the lower right of the machine body 1, the circulating cooling pump 13 is respectively connected with a cooling medium inlet 11 and a cooling medium outlet 12, and the circulating cooling pump 13 is used for realizing circulation of a cooling medium; the number of the first liquid guide pipe 2 is three, the first liquid guide pipe 2 is arranged on a bottom plate below the machine body 1, the upper end of the first liquid guide pipe 2 is positioned in the machine body 1, the first liquid guide pipe 2 is uniformly distributed in the horizontal direction, and the first liquid guide pipe 2 is used for realizing the movement of a cooled substance in the machine body 1; the second liquid guide pipe 3 is movably arranged outside the first liquid guide pipe 2, an oval branched pipeline is arranged at the upper end of the second liquid guide pipe 3, and the second liquid guide pipe 3 is used for conveying cooling substances; a discharge pipe 14 is further arranged in the machine body 1, one end of the discharge pipe 14 is connected with the upper end of the second liquid guide pipe 3 on the rightmost side, the other end of the discharge pipe 14 is positioned outside the machine body 1, and the discharge pipe 14 is used for discharging cooled objects; the number of the bent pipes 4 is two, one bent pipe 4 connects the top ends of the two second liquid guide pipes 3 on the left side in an exercise mode, and the other bent pipe 4 connects the tail ends of the two first liquid guide pipes 2 on the right side; the partition plate 5 is positioned in the middle of the machine body 1, and the partition plate 5 is used for dividing the machine body 1 into an upper cavity and a lower cavity; the movable frame 6 is of a cylindrical structure with openings at two ends, a first piston plate 61 is arranged on the outer wall of the movable frame 6, the movable frame 6 is movably arranged in the partition plate 5, and a spring is arranged between the first piston plate 61 of the movable frame 6 and the upper surface of the partition plate 5; the second liquid guide pipe 3 is also provided with a conveying plate 31, the conveying plate 31 is uniformly arranged on the second liquid guide pipe 3 along the vertical direction, the outer end of the conveying plate 31 seals the inner wall of the movable frame 6, the conveying plate 31 can slide in the movable frame 6, and the conveying plate 31 is used for conveying a cooling medium; the motor 7 is arranged on the right side of the machine body 1; the crankshaft 8 is positioned in the machine body 1, the left end of the crankshaft 8 is rotatably installed on the left side wall of the machine body 1, the right end of the crankshaft 8 is connected with an output shaft of the motor 7, a connecting rod journal below the crankshaft 8 penetrates through an oval branched pipeline at the upper end of the second liquid guide pipe 3, and the crankshaft 8 is used for driving the second liquid guide pipe 3 to move up and down; the controller is positioned above the machine body 1 and is used for controlling the work of the motor 7 and the circulating cooling pump 13. When the cooling machine works, internal cooling medium is conveyed into the machine body 1 from the cooling medium inlet 11, cooled objects are conveyed into the lower end of the leftmost one-number liquid guide pipe 2, the cooled objects are discharged through the discharge pipe 14 after being subjected to heat exchange in the machine body 1 through the three one-number liquid guide pipes 2, the two bent pipes 4 and the three two-number liquid guide pipes 3, the cooled objects are guaranteed to be fully cooled, and the practical effect of the heat exchanger is improved; in the process, the motor 7 is controlled to rotate by the controller, the motor 7 drives the crankshaft 8 to rotate, and the connecting rod journal below the crankshaft 8 penetrates through the oval branched pipeline at the upper end of the second liquid guide pipe 3, so that the second liquid guide pipe 3 moves up and down in the machine body 1 under the action of the crankshaft 8, the conveying plate 31 moves up and down, low-temperature cooling media continuously move upwards along with the conveying plate 31, and meanwhile, the high-temperature cooling media are discharged into the space above the partition plate 5, cooled objects are fully cooled, the cooling efficiency is improved, and the practicability of the heat exchanger is improved; meanwhile, the controller controls the circulating cooling pump 13 to work, so that the high-temperature cooling medium is conveyed to the circulating cooling pump 13 for cooling, and the cooled cooling medium is conveyed to the machine body 1 again, the circulation of the cooling medium is realized, the waste of the cooling medium is avoided, the cost is saved, meanwhile, the sufficient cooling medium is kept in the machine body 1 all the time, and the working efficiency of the heat exchanger is improved.

As shown in fig. 2, the first piston plate 61 is further provided with a downward check valve; the upper surface of the partition plate 5 is provided with a liquid storage frame 51, a flow guide pipe 52 is uniformly arranged on the outer wall of the liquid storage frame 51 in the circumferential direction, the number of the flow guide pipes 52 is not less than two, the two ends of the flow guide pipe 52 are communicated with the inside of the liquid storage frame 51, a downward one-way valve is arranged in the flow guide pipe 52, and the right lower side of the liquid storage frame 51 is communicated with the circulating cooling pump 13 through a. During operation, along with the continuous up-and-down movement of the conveying plate 31, the high-temperature cooling medium is continuously conveyed into the liquid storage frame 51, and simultaneously the movable frame 6 moves up and down under the action of the friction force of the conveying plate 31, so that the first piston plate 61 moves up and down along with the movable frame 6, when the first piston plate 61 moves up, the space below the first piston plate 61 generates negative pressure, so that the high-temperature cooling medium above the first piston plate 61 enters the space below the first piston plate 61 through the check valve on the first piston plate 61, and simultaneously the cooling substance above the first piston plate 61 enters the space below the first piston plate 61 through the check valve in the draft tube 52, when the first piston plate 61 moves down, the first piston plate 61 extrudes the cooling medium, so that the high-temperature cooling medium is conveyed into the circulating cooling pump 13 through the pipeline, along with the continuous up-and-down movement of the conveying plate 31, the low-temperature cooling medium continuously ascends from the space below the partition plate 5 to cool the cooled object, meanwhile, the cooling medium with high temperature after heat exchange is continuously conveyed into the liquid storage frame 51, and the piston plate 61 continuously moves up and down, so that the cooling material with high temperature is continuously conveyed into the circulating cooling pump 13 for cooling and recycling, the consumption of the cooling material is reduced, the cost is saved, the cooling efficiency is improved, and the practicability of the heat exchanger is improved.

As shown in fig. 2, a fixing frame 9 is further arranged in the machine body 1, the number of the fixing frame 9 is three, the fixing frame 9 is fixed at the bottom of the machine body 1, the number and distribution of the fixing frame 9 correspond to those of the first liquid guide tube 2, the first liquid guide tube 2 penetrates through the fixing frame 9, a second piston plate 91 is arranged in the fixing frame 9, the first liquid guide tube 2 is wrapped by the second piston plate 91, the second piston plate 91 can move on the first liquid guide tube 2, one-way liquid inlet valves and one-way liquid outlet valves are arranged on the left side and the right side of the upper end of the fixing frame 9, the one-way liquid outlet valves are connected with the circulating cooling pump 13 through pipelines, and the fixing frame; the top of the machine body 1 is also provided with an air bag 15, the air bag 15 is an elastic air bag, the air bag 15 is communicated with the bottom of the fixed frame 9 through a pipeline, and the air bag 15 is used for realizing the up-and-down motion of the second piston plate 91. When the heat exchanger works, the connecting rod journal of the crankshaft 8 is continuously contacted and separated with the air bag 15 when the crankshaft 8 rotates, and the air bag 15 is an elastic air bag, so that the air bag 15 is continuously compressed and recovered, further the second piston plate 91 in the fixed frame 9 communicated with the air bag 15 continuously moves up and down, when the second piston plate 91 moves down, the space above the second piston plate 91 generates negative pressure, so that a cooling medium enters the second piston plate 91 to dissipate heat of a part of the first liquid guide pipe 2 in the fixed frame 9, the heat exchange efficiency of the heat exchanger is improved, when the second piston plate 91 moves up, the second piston plate 91 extrudes the heated cooling substance in the fixed frame 9, so that the heated cooling substance is discharged into the circulating cooling pump 13 for cooling and circulating, and along with the continuous up and down movement of the second piston plate 91, the low-temperature cooling substance continuously enters the fixed frame 9 to cool the cooled substance in the first liquid guide pipe 2, meanwhile, the heated cooling medium is discharged into the circulating cooling pump 13, so that the heat exchange effect of the heat exchanger is effectively improved, the cooled object is sufficiently cooled, the consumption of cooling substances is effectively reduced, and the cost is saved.

As shown in fig. 2, heat dissipation holes 16 are formed in the machine body 1, the heat dissipation holes 16 are located on the machine body 1 above the partition board 5, a semi-permeable membrane is laid outside the heat dissipation holes 16, the semi-permeable membrane only allows air in the machine body 1 to pass through, and the heat dissipation holes 16 are used for assisting in cooling. During operation, the setting of louvre 16 for heat in the organism 1 is continuous to the external transport, thereby the effectual temperature that has reduced in the organism 1 has improved the heat transfer effect of heat exchanger, and the existence of pellicle has avoided partial cooling medium to volatilize under the high temperature condition and has discharged organism 1 simultaneously, has avoided cooling medium's waste, has avoided cooling medium to cause the pollution to the environment simultaneously, makes the heat exchanger more have the practicality.

As shown in fig. 2, a first belt wheel 71 is further arranged on the output shaft of the motor 7; an installation block 17 is further embedded on the right side wall of the machine body 1, a connecting shaft 18 is arranged on the installation block 17, one end of the connecting shaft 18 is located in the machine body 1, and the other end of the connecting shaft 18 is located outside the machine body 1; the fan blade 19 and the second belt wheel 10 are arranged at two ends of the connecting shaft 18, the second belt wheel 10 is positioned at the right end of the connecting shaft 18, and the second belt wheel 10 is used for driving the connecting shaft 18 and the fan blade 19 to rotate; the belt 72 is arranged on the second belt wheel 10 and the first belt wheel 71, and the belt 72 is used for realizing transmission between the second belt wheel 10 and the first belt wheel 71. The during operation, a band pulley 71 rotates along with motor 7, and belt 72 makes No. two band pulleys 10 rotate along with a band pulley 71 to make fan leaf 19 rotate, the heat in baffle 5 top space is quick under fan leaf 19 effect outside organism 1 through louvre 16 discharge, thereby the effectual temperature that reduces in the organism 1, and then make better cooling to the refrigerated object of heat exchanger, improved the heat exchange efficiency of heat exchanger.

As shown in fig. 2, the material of the conveying plate 31 is a memory alloy with a two-way memory effect, the deformed temperatures of the memory alloys of the conveying plates 31 on the three second liquid guide tubes 3 are different and are sequentially reduced from left to right, the conveying plate 31 is in a bowl shape at a low temperature, the conveying plate 31 is in a flat plate shape at a high temperature, and the two forms are used for facilitating the conveying of the cooling medium. In operation, the conveying plate 31 drives the cooling medium below the partition plate 5 to move upwards when rising, the bowl shape improves the conveying effect of the conveying plate 31, so that more cooling medium is conveyed, in the conveying process, the temperature of the cooling medium in the conveying plate 31 is continuously improved, when the height of the conveying plate 31 is higher than the top of the movable frame 6, the memory metal used by the conveying plate 31 reaches abnormal temperature, so that the conveying plate 31 is changed into a flat plate shape, further the cooling medium in the conveying plate 31 completely enters the liquid storage frame 51, the cooling medium with partial high temperature is prevented from remaining in the conveying plate 31, and the cooling medium below the partition plate 5 is mixed with the descending of the conveying plate 31, so that the high-temperature cooling medium is completely discharged, the heat exchange efficiency of the heat exchanger is effectively improved, and the cooling performance of the heat exchanger is improved.

The specific operation flow is as follows:

when the cooling machine works, internal cooling medium is conveyed into the machine body 1 from the cooling medium inlet 11, cooled objects are conveyed into the lower end of the leftmost one-number liquid guide pipe 2, the cooled objects are discharged through the discharge pipe 14 after being subjected to heat exchange in the machine body 1 through the three one-number liquid guide pipes 2, the two bent pipes 4 and the three two-number liquid guide pipes 3, the cooled objects are guaranteed to be fully cooled, and the practical effect of the heat exchanger is improved; in the process, the motor 7 is controlled to rotate by the controller, the motor 7 drives the crankshaft 8 to rotate, and the connecting rod journal below the crankshaft 8 penetrates through the oval branched pipeline at the upper end of the second liquid guide pipe 3, so that the second liquid guide pipe 3 moves up and down in the machine body 1 under the action of the crankshaft 8, the conveying plate 31 moves up and down, low-temperature cooling media continuously move upwards along with the conveying plate 31, and meanwhile, the high-temperature cooling media are discharged into the space above the partition plate 5, cooled objects are fully cooled, the cooling efficiency is improved, and the practicability of the heat exchanger is improved; meanwhile, the controller controls the circulating cooling pump 13 to work, so that the high-temperature cooling medium is conveyed to the circulating cooling pump 13 for cooling, and the cooled cooling medium is conveyed to the machine body 1 again, the circulation of the cooling medium is realized, the waste of the cooling medium is avoided, the cost is saved, meanwhile, the sufficient cooling medium is kept in the machine body 1 all the time, and the working efficiency of the heat exchanger is improved.

In the process, along with the continuous up-and-down movement of the conveying plate 31, the high-temperature cooling medium is continuously conveyed into the liquid storage frame 51, and simultaneously, the movable frame 6 moves up and down under the action of the friction force of the conveying plate 31, so that the first piston plate 61 moves up and down along with the movable frame 6, when the first piston plate 61 moves up, the space below the first piston plate 61 generates negative pressure, so that the high-temperature cooling medium above the first piston plate 61 enters the space below the first piston plate 61 through the check valve on the first piston plate 61, meanwhile, the cooling substance above the first piston plate 61 enters the space below the first piston plate 61 through the check valve in the draft tube 52, when the first piston plate 61 moves down, the first piston plate 61 extrudes the cooling medium, so that the high-temperature cooling medium is conveyed into the circulating cooling pump 13 through the pipeline, along with the continuous up-and-down movement of the conveying plate 31, the low-temperature cooling medium continuously ascends from the space below the partition plate 5 to cool the cooled object, meanwhile, the cooling medium with high temperature after heat exchange is continuously conveyed into the liquid storage frame 51, and the piston plate 61 continuously moves up and down, so that the cooling material with high temperature is continuously conveyed into the circulating cooling pump 13 for cooling and recycling, the consumption of the cooling material is reduced, the cost is saved, the cooling efficiency is improved, and the practicability of the heat exchanger is improved.

When the crankshaft 8 rotates, the connecting rod journal of the crankshaft 8 is continuously contacted and separated with the air bag 15, because the air bag 15 is an elastic air bag, the air bag 15 is continuously compressed and recovered, and further the second piston plate 91 in the fixed frame 9 communicated with the air bag 15 continuously moves up and down, when the second piston plate 91 moves down, the space above the second piston plate 91 generates negative pressure, so that a cooling medium enters the second piston plate 91 to dissipate heat of a part of the first liquid guide pipe 2 in the fixed frame 9, the heat exchange efficiency of the heat exchanger is improved, when the second piston plate 91 moves up, the second piston plate 91 extrudes the warmed cooling substance in the fixed frame 9, so that the warmed cooling substance is discharged into the circulating cooling pump 13 to be cooled and circulated, along with the continuous up and down movement of the second piston plate 91, the low-temperature cooling substance continuously enters the fixed frame 9 to cool the cooled substance in the first liquid guide pipe 2, meanwhile, the heated cooling medium is discharged into the circulating cooling pump 13, so that the heat exchange effect of the heat exchanger is effectively improved, the cooled object is sufficiently cooled, the consumption of cooling substances is effectively reduced, and the cost is saved.

The setting of louvre 16 for heat in the organism 1 is continuous to the external transport, thereby the effectual temperature that reduces in the organism 1 has improved the heat transfer effect of heat exchanger, and the existence of pellicle has avoided partial cooling medium to volatilize under the high temperature condition and has discharged organism 1 simultaneously, has avoided cooling medium's waste, has avoided cooling medium to cause the pollution to the environment simultaneously, makes the heat exchanger more have the practicality.

No. one band pulley 71 rotates along with motor 7, and belt 72 makes No. two band pulleys 10 rotate along with a band pulley 71 to make fan leaf 19 rotate, the heat in baffle 5 top space is quick under fan leaf 19 effect outside the organism 1 of discharging through louvre 16, thereby the effectual temperature that reduces in the organism 1, and then make better cooling to the refrigerated object of heat exchanger, improved the heat exchange efficiency of heat exchanger.

The conveying plate 31 drives the cooling medium below the partition plate 5 to move upwards when rising, the bowl shape improves the conveying effect of the conveying plate 31, so that more cooling media are conveyed, in the conveying process, the temperature of the cooling medium in the conveying plate 31 is continuously improved, when the height of the conveying plate 31 is higher than the top of the movable frame 6, the memory metal used by the conveying plate 31 reaches abnormal temperature, so that the conveying plate 31 is changed into a flat plate shape, the cooling medium in the conveying plate 31 completely enters the liquid storage frame 51, the cooling medium with partial high temperature is prevented from remaining in the conveying plate 31, and the cooling medium with partial high temperature is mixed with the low-temperature cooling medium below the partition plate 5 along with the descending of the conveying plate 31, so that the high-temperature cooling medium is completely discharged, the heat exchange efficiency of the heat exchanger is effectively improved, and the cooling performance of the heat exchanger is improved.

While one embodiment of the present invention has been described above, the present invention is not limited to the above embodiment, and various modifications can be made without departing from the scope of the present invention.

(A) In the above embodiment, three first catheters and three second catheters are used to cool the object to be cooled, but the present invention is not limited thereto, and different numbers of first catheters and second catheters may be used for cooling the object to be cooled.

Industrial applicability

According to the invention, the method can rapidly produce the coal gas, and the obtained coal gas has high heat value, so that the high-efficiency coal gas production method is useful in the technical field of coal gas production.

Claims

1. An efficient coal gas preparation method is characterized in that: the method comprises the following steps:

s3: s2, after the crude gas is converted, introducing the crude gas into a heat exchanger for coal chemical production for cooling;

s4: after cooling in S3, arranging a thermoelectric generator beside the heat exchanger for coal chemical production, and arranging a storage battery pack for storing the generated electric energy;

s5: after the temperature difference generator is arranged in the S4, a cold air generator is arranged beside the coal chemical production heat exchanger, the cold air generator is powered by a storage battery, and cold air generated by the cold air generator is conveyed to the side of a fan blade of the coal chemical production heat exchanger through a pipeline;

the coal chemical production heat exchanger adopted in S3 comprises a machine body (1), a first liquid guide pipe (2), a second liquid guide pipe (3), a bent pipe (4), a partition plate (5), a movable frame (6), a motor (7), a crankshaft (8) and a controller; the machine body (1) is provided with a cooling medium inlet (11) and a cooling medium outlet (12), the cooling medium inlet (11) is positioned at the lower left of the machine body (1), and the cooling medium outlet (12) is positioned at the lower right of the machine body (1); the outer wall of the right lower part of the machine body (1) is also provided with a circulating cooling pump (13), the circulating cooling pump (13) is respectively connected with a cooling medium inlet (11) and a cooling medium outlet (12), and the circulating cooling pump (13) is used for realizing the circulation of a cooling medium; the number of the first liquid guide pipes (2) is three, the first liquid guide pipes (2) are arranged on a bottom plate below the machine body (1), the upper ends of the first liquid guide pipes (2) are positioned in the machine body (1), the first liquid guide pipes (2) are uniformly distributed in the horizontal direction, and the first liquid guide pipes (2) are used for realizing the movement of a cooled substance in the machine body (1); the second liquid guide pipe (3) is movably arranged outside the first liquid guide pipe (2), an oval branched pipeline is arranged at the upper end of the second liquid guide pipe (3), and the second liquid guide pipe (3) is used for conveying cooling substances; a discharge pipe (14) is further arranged in the machine body (1), one end of the discharge pipe (14) is connected with the upper end of the second liquid guide pipe (3) on the rightmost side, the other end of the discharge pipe (14) is positioned outside the machine body (1), and the discharge pipe (14) is used for discharging cooled objects; the number of the bent pipes (4) is two, one bent pipe (4) connects the top ends of the two second liquid guide pipes (3) on the left side, and the other bent pipe (4) connects the tail ends of the two first liquid guide pipes (2) on the right side; the partition plate (5) is positioned in the middle of the machine body (1), and the partition plate (5) is used for dividing the machine body (1) into an upper cavity and a lower cavity; the movable frame (6) is of a cylindrical structure with openings at two ends, a first piston plate (61) is arranged on the outer wall of the movable frame (6), the movable frame (6) is movably arranged in the partition plate (5), and a spring is arranged between the first piston plate (61) of the movable frame (6) and the upper surface of the partition plate (5); the second liquid guide pipe (3) is also provided with a conveying plate (31), the conveying plate (31) is uniformly arranged on the second liquid guide pipe (3) along the vertical direction, the outer end of the conveying plate (31) seals the inner wall of the movable frame (6), the conveying plate (31) can slide in the movable frame (6), and the conveying plate (31) is used for conveying a cooling medium; the motor (7) is arranged on the right side of the machine body (1); the crankshaft (8) is positioned in the machine body (1), the left end of the crankshaft (8) is rotatably installed on the left side wall of the machine body (1), the right end of the crankshaft (8) is connected with an output shaft of the motor (7), a connecting rod journal below the crankshaft (8) penetrates through an oval branched pipeline at the upper end of the second liquid guide pipe (3), and the crankshaft (8) is used for driving the second liquid guide pipe (3) to move up and down; the controller is positioned above the machine body (1) and used for controlling the work of the motor (7) and the circulating cooling pump (13);

a downward one-way valve is further arranged on the first piston plate (61); the upper surface of the partition plate (5) is provided with a liquid storage frame (51), the outer wall of the liquid storage frame (51) is uniformly provided with guide pipes (52) in the circumferential direction, the number of the guide pipes (52) is not less than two, two ends of each guide pipe (52) are communicated with the inside of the liquid storage frame (51), a downward one-way valve is arranged in each guide pipe (52), and the lower right side of each liquid storage frame (51) is communicated with the circulating cooling pump (13) through a pipeline;

the machine body (1) is also internally provided with three fixing frames (9), the three fixing frames (9) are fixed at the bottom of the machine body (1), the number and distribution of the fixing frames (9) correspond to those of the first liquid guide pipe (2), the first liquid guide pipe (2) penetrates through the fixing frames (9), the fixing frames (9) are internally provided with a second piston plate (91), the first liquid guide pipe (2) is wrapped by the second piston plate (91), the second piston plate (91) can move on the first liquid guide pipe (2), the left side and the right side of the upper end of the fixing frames (9) are provided with one-way liquid inlet valves and one-way liquid outlet valves, the one-way liquid outlet valves are connected with the circulating cooling pump (13) through pipelines, and the fixing frames (9) are used for absorbing low-temperature cooling media and discharging high-; the top of the machine body (1) is also provided with an air bag (15), the air bag (15) is an elastic air bag, the air bag (15) is communicated with the bottom of the fixed frame (9) through a pipeline, and the air bag (15) is used for realizing the up-and-down motion of the second piston plate (91);

the machine body (1) is provided with heat dissipation holes (16), the heat dissipation holes (16) are located on the machine body (1) above the partition plate (5), a semi-permeable membrane is laid outside the heat dissipation holes (16), the semi-permeable membrane only allows air in the machine body (1) to pass through, and the heat dissipation holes (16) are used for assisting in cooling;

a first belt wheel (71) is further arranged on an output shaft of the motor (7); an installation block (17) is further embedded in the right side wall of the machine body (1), a connecting shaft (18) is arranged on the installation block (17), one end of the connecting shaft (18) is located in the machine body (1), and the other end of the connecting shaft (18) is located outside the machine body (1); the two ends of the connecting shaft (18) are provided with a fan blade (19) and a second belt wheel (10), the second belt wheel (10) is positioned at the right end of the fan blade (19), and the second belt wheel (10) is used for driving the connecting shaft (18) and the fan blade (19) to rotate; a belt (72) is arranged on the second belt wheel (10) and the first belt wheel (71), and the belt (72) is used for realizing transmission between the second belt wheel (10) and the first belt wheel (71);

the material of the conveying plate (31) is memory alloy with a two-way memory effect, the metamorphosis temperatures of the memory alloy of the conveying plate (31) on the three liquid guide pipes (3) are different and are sequentially reduced from left to right, the conveying plate (31) is in a bowl shape at low temperature, the conveying plate (31) is in a flat plate shape at high temperature, and the two shapes are used for facilitating the conveying of cooling media;

the cooling medium is conveyed into the machine body (1) from the cooling medium inlet (11), the cooled object is conveyed into the lower end of the leftmost catheter (2), the cooled object is subjected to heat exchange in the machine body (1) through the three catheters (2), the two bent pipes (4) and the three catheters (3), and finally is discharged through the discharge pipe (14), and the three catheters (2) and the three catheters (3) ensure that the cooled object is fully cooled, so that the practical effect of the heat exchanger is improved; in the process, the motor (7) is controlled to rotate by the controller, the motor (7) drives the crankshaft (8) to rotate, and the connecting rod journal below the crankshaft (8) penetrates through the oval branched pipeline at the upper end of the second liquid guide pipe (3), so that the second liquid guide pipe (3) moves up and down in the machine body (1) under the action of the crankshaft (8), the conveying plate (31) moves up and down, low-temperature cooling media continuously move upwards along with the conveying plate (31), and meanwhile, high-temperature cooling media are discharged into a space above the partition plate (5), cooled objects are sufficiently cooled, and the cooling efficiency is improved;

meanwhile, the controller controls the circulating cooling pump (13) to work, so that the high-temperature cooling medium is conveyed to the circulating cooling pump (13) for cooling, the cooled cooling medium is conveyed to the machine body (1) again, the circulation of the cooling medium is realized, the waste of the cooling medium is avoided, the cost is saved, meanwhile, enough cooling medium is kept in the machine body (1) all the time, and the heat exchanger is improved

The working efficiency of (2); in the process, along with the continuous up-and-down movement of the conveying plate (31), high-temperature cooling medium is continuously conveyed into the liquid storage frame (51), meanwhile, the movable frame (6) moves up and down under the action of the friction force of the conveying plate (31), so that the first piston plate (61) moves up and down along with the movable frame (6), when the first piston plate (61) moves upwards, negative pressure is generated in the space below the first piston plate (61), so that the high-temperature cooling medium above the first piston plate (61) enters the space below the first piston plate (61) through a one-way valve on the first piston plate (61), meanwhile, cooling substances above the first piston plate (61) enter the space below the first piston plate (61) through a one-way valve in the guide pipe (52), when the first piston plate (61) moves downwards, the first piston plate (61) extrudes the cooling medium, so that the high-temperature cooling medium is conveyed into the circulating cooling pump (13) through a pipeline, along with the continuous up-and-down movement of the conveying plate (31), the low-temperature cooling medium continuously rises from the space below the partition plate (5) to cool the cooled object, meanwhile, the high-temperature cooling medium after heat exchange is continuously conveyed into the liquid storage frame (51), and the high-temperature cooling substance is continuously conveyed into the circulating cooling pump (13) for cooling and recycling through the continuous up-and-down movement of the first piston plate (61), so that the consumption of the cooling substance is reduced, and the cooling efficiency is improved; when the crankshaft (8) rotates, a connecting rod journal of the crankshaft (8) is continuously contacted and separated with the air bag (15), the air bag (15) is an elastic air bag, so that the air bag (15) is continuously compressed and recovered, further, a second piston plate (91) in a fixed frame (9) communicated with the air bag (15) continuously moves up and down, when the second piston plate (91) moves down, a negative pressure is generated in the space above the second piston plate (91), so that a cooling medium enters the second piston plate (91), part of a first liquid guide pipe (2) in the fixed frame (9) is radiated, the heat exchange efficiency of the heat exchanger is improved, when the second piston plate (91) moves upwards, the second piston plate (91) extrudes a heated cooling substance in the fixed frame (9), and the heated cooling substance is discharged into a circulating cooling pump (13) to be cooled, Circulating, wherein along with the continuous up-and-down movement of the second piston plate (91), low-temperature cooling substances continuously enter the fixing frame (9) to cool the cooled object in the first liquid guide pipe (2), and simultaneously, the warmed cooling medium is discharged into the circulating cooling pump (13), so that the heat exchange effect of the heat exchanger is effectively improved, the cooled object is fully cooled, the consumption of the cooling substances is effectively reduced, and the cost is saved; the arrangement of the heat dissipation holes (16) enables heat in the machine body (1) to be continuously conveyed to the outside, so that the temperature in the machine body (1) is effectively reduced, the heat exchange effect of the heat exchanger is improved, meanwhile, due to the existence of the semipermeable membrane, part of cooling medium is prevented from volatilizing and being discharged out of the machine body (1) under the condition of high temperature, the waste of the cooling medium is avoided, and meanwhile, the pollution of the cooling medium to the environment is avoided; the first belt wheel (71) rotates along with the motor (7), the belt (72) enables the second belt wheel (10) to rotate along with the first belt wheel (71), so that the fan blade (19) rotates, heat in the space above the partition plate (5) is rapidly discharged out of the machine body (1) through the heat dissipation holes (16) under the action of the fan blade (19), the temperature in the machine body (1) is effectively reduced, the heat exchanger is enabled to better cool a cooled object, and the heat exchange efficiency of the heat exchanger is improved; when the conveying plate (31) rises, the cooling medium below the partition plate (5) is driven to move upwards, the conveying effect of the conveying plate (31) is improved due to the bowl shape, more cooling medium is conveyed, the temperature of the cooling medium in the conveying plate (31) is continuously improved in the conveying process, when the height of the conveying plate (31) is higher than the top of the movable frame (6), the memory metal used by the conveying plate (31) reaches the metamorphic temperature, so that the conveying plate (31) is changed into the flat plate shape, the cooling medium in the conveying plate (31) completely enters the liquid storage frame (51), the situation that part of high-temperature cooling medium in the conveying plate (31) is remained in the conveying plate (31) is avoided, and the high-temperature cooling medium is mixed with the low-temperature cooling medium below the partition plate (5) along with the descending of the conveying plate (31), so that the high-temperature cooling medium is completely discharged, and the heat exchange efficiency of the heat exchanger is effectively, the cooling performance of the heat exchanger is improved.