A process for high-efficiency staged hydrolysis of organic sulfur applied in coal gas purification

Abstract

The application belongs to the technical field of coal gas purification, and discloses a process for efficiently grading hydrolysis of organic sulfur in coal gas purification, which comprises the following steps: step one, inputting the pressurized raw material gas into a first hydrolysis mechanism and controlling the temperature to be kept at 80-120 DEG C; step two, inputting the raw material gas passing through the first hydrolysis mechanism into a second hydrolysis mechanism through a preheating mechanism for secondary hydrolysis and controlling the dimension to be kept at 120-170 DEG C; and step three, inputting the raw material gas fully heated in the preheating mechanism into a power conversion mechanism. The application can timely change the occupation of the space by the opening of the inside of the regulation cavity under the cooperation of the two automatically expandable piston plates, ensure that the gas pressure in the regulation cavity is kept in a relatively stable state, so as to ensure that the stable raw material gas flows into the second hydrolysis tower, thereby facilitating the continuous input of the hydrolysis catalyst with a relatively accurate amount, and promoting the rapid and stable process.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of coal gas purification, and particularly relates to a process for efficiently grading hydrolysis of organic sulfur applied to coal gas purification. BACKGROUND

[0002] With the development of clean production process technology and end treatment technology of the steel industry, only removal of hydrogen sulfide in the coal gas cannot meet the ultra-low emission requirement, and removal of organic sulfur components such as COS and CS2 in the coke oven gas is also required, and the current more effective way is grading hydrolysis, the process of which is normal temperature hydrolysis at 80 DEG C to 120 DEG C to solve the conversion of COS, the coal gas after pressurization enters a first preheater to be heated to 80 DEG C to 120 DEG C and then enters a first hydrolysis tower to react, the first hydrolysis tower bottom enters and, after contacting with a hydrolysis catalyst, converts COS and part of CS2 into H2S; medium temperature hydrolysis at 120 DEG C to 170 DEG C to solve the hydrolysis conversion of CS2; the coal gas is further heated to 120 DEG C to 170 DEG C by a second preheater and then enters a second hydrolysis tower to react to remove the remaining CS2; and the effect of efficient organic sulfur hydrolysis is achieved, but since the coal gas enters the second hydrolysis tower from the first hydrolysis tower by relying on the flow of the gas, the stability and gas pressure are greatly determined by the hydrolysis reaction efficiency in the first hydrolysis tower, which leads to poor stability of the gas pressure of the coal gas entering the second hydrolysis tower from the first hydrolysis tower, is not conducive to the stable operation of the hydrolysis reaction in the second hydrolysis tower, and is also inconvenient for continuous and stable injection of the hydrolysis catalyst, and once the hydrolysis catalyst is not injected in time, the rate of the hydrolysis reaction in the second hydrolysis tower is limited, thereby reducing the efficiency of the whole grading hydrolysis.

[0003] Therefore, it is necessary to develop a process for efficiently grading hydrolysis of organic sulfur applied to coal gas purification. SUMMARY

[0004] The application aims to provide a process for efficiently grading hydrolysis of organic sulfur applied to coal gas purification to solve the problems in the background technology.

[0005] In order to achieve the above-mentioned purpose, the application provides the following technical scheme: a process for efficiently grading hydrolysis of organic sulfur applied to coal gas purification, comprising the following steps:

[0006] Step one, inputting the raw gas after pressurization to a first hydrolysis mechanism and controlling the temperature to be kept at 80 DEG C to 120 DEG C;

[0007] Step two, inputting the raw gas after the first hydrolysis mechanism to a second hydrolysis mechanism for secondary hydrolysis by a preheating mechanism and controlling the dimension to be kept at 120 DEG C to 170 DEG C;

[0008] Step three, after the raw gas entering the preheating mechanism is fully heated, entering a power conversion mechanism;

[0009] Step four, the raw material gas entering the power conversion mechanism drives the power conversion mechanism to rotate, so that the hydrolysis catalyst is continuously inputted in cooperation with the continuous input of the raw material gas;

[0010] Step five, the continuously inputted raw material gas and hydrolysis catalyst fully contact and then enter the hydrolysis tower through the one-way flow mechanism for secondary hydrolysis.

[0011] The first-stage hydrolysis mechanism and the second-stage hydrolysis mechanism in steps one to five are respectively composed of a first-stage hydrolysis tower and a preheating mechanism and a second-stage hydrolysis tower and a preheating mechanism, the preheating mechanism comprises a preheating box and a preheating assembly, the preheating box comprises an adjusting box arranged between the first-stage hydrolysis tower and the second-stage hydrolysis tower, a base is mounted at the bottom of the adjusting box, an adjusting cavity is arranged in the adjusting box, the adjusting box is in communication with the first-stage hydrolysis tower through a gas inlet pipe at one side of the adjusting box, and the adjusting box is in communication with the second-stage hydrolysis tower through a power conversion mechanism and a one-way flow mechanism at the other side of the adjusting box, and the preheating assembly is arranged in the adjusting cavity.

[0012] Preferably, a plurality of guide assemblies are uniformly arranged in the preheating assembly, two piston plates are arranged in the adjusting cavity and located at the front and back of the guide assemblies, the outer surfaces of the piston plates are attached to the inner wall of the adjusting cavity, two movable rods are mounted on the opposite surfaces of the two piston plates, and the movable rods are movably sleeved in the first-stage hydrolysis tower.

[0013] Preferably, the top or bottom of the adjacent guide assemblies is connected to the top or bottom of the inner wall of the adjusting cavity, respectively, and the bottom or top of the adjacent guide assemblies leaves a flow gap with the bottom or top of the inner wall of the adjusting cavity.

[0014] Preferably, the preheating assembly comprises a preheating pipe arranged in the adjusting cavity, the preheating pipe passes through between the adjacent guide assemblies and penetrates through the flow gap, flow-in ends and flow-out ends are arranged at the two ends of the preheating pipe, and the flow-in ends and the flow-out ends are connected with a flow-in pipe and a flow-out pipe through the adjusting box, respectively.

[0015] Preferably, the guide assembly comprises a first heat insulation plate or a second heat insulation plate connected to the opposite surfaces of the front and back piston plates, respectively, two limit sliding frames are mounted on the side of the surface of the first heat insulation plate close to the second heat insulation plate, and a limit sliding block is slidably connected in the limit sliding frame at the top end and the bottom end of the second heat insulation plate.

[0016] Preferably, one end of the first heat insulation plate and the second heat insulation plate opposite to each other is connected to one piston plate in front or behind, the other end of the first heat insulation plate and the second heat insulation plate opposite to each other is in contact with the other piston plate in front or behind, and the top or bottom of the adjacent first heat insulation plates is attached to the inner wall of the adjusting cavity.

[0017] Preferably, the power conversion mechanism comprises a driving assembly and a one-way mechanism mounting sleeve, the driving assembly comprises a heat insulation sealing sleeve arranged between the preheating box and the one-way mechanism mounting sleeve, one end of the heat insulation sealing sleeve is communicated with the one-way mechanism mounting sleeve, the other end of the heat insulation sealing sleeve is communicated with the inside of the regulation cavity through a one-way flow pipe, a driving conversion shaft is movably sleeved in the inside of the heat insulation sealing sleeve, a spiral through hole is formed in the inside of the driving conversion shaft, and one end of the spiral through hole close to the one-way flow pipe is fixedly sleeved with a positioning through pipe extending into the inside of the one-way flow pipe.

[0018] A feeding pipe is communicated with the top of the heat insulation sealing sleeve, a follow-up sealing sleeve is movably sleeved on the inside of the heat insulation sealing sleeve and the bottom of the feeding pipe and is fixedly connected to the end of the driving conversion shaft away from the one-way flow pipe, a guide sleeve is fixedly connected to the end of the driving conversion shaft away from the one-way flow pipe and is located in the inside of the follow-up sealing sleeve, a plurality of feeding holes are formed in the side of the follow-up sealing sleeve, the follow-up sealing sleeve is communicated with the feeding pipe through the feeding holes, and the end of the spiral through hole away from the one-way flow pipe penetrates through the driving conversion shaft and extends to the inside of the guide sleeve.

[0019] Preferably, the one-way flow mechanism comprises a one-way valve seat and an exhaust groove, and the end of the one-way mechanism mounting sleeve away from the driving assembly is communicated with a communicating head, the one-way valve seat is movably arranged in the inside of the one-way mechanism mounting sleeve, the end of the inside of the one-way mechanism mounting sleeve away from the driving assembly is provided with the exhaust groove, and the driving assembly is communicated with the communicating head through the one-way mechanism mounting sleeve and the exhaust groove.

[0020] Preferably, the one-way valve seat comprises a valve plate movably sleeved in the inside of the one-way mechanism mounting sleeve, the valve plate is a cone, the outer diameter of the valve plate is matched with the inner wall of the one-way mechanism mounting sleeve, the valve plate is attached to the inside of the one-way mechanism mounting sleeve, a sealing plug is connected to the side of the valve plate close to the driving assembly and is sleeved in the inside of the one-way mechanism mounting sleeve, a sealing baffle is arranged on the side of the valve plate away from the driving assembly, the outer diameter of the sealing baffle is smaller than the inner diameter of the one-way mechanism mounting sleeve, a sealing positioning shaft is connected to the side of the sealing baffle away from the driving assembly, and a positioning groove is formed in the side of the surface of the sealing positioning shaft away from the driving assembly.

[0021] Preferably, a positioning rod is inserted into the inside of the positioning groove, one end of the positioning rod penetrates through the positioning groove and extends to the outside of the one-way valve seat and is connected with the inner wall of the one-way mechanism mounting sleeve, a reset spring is arranged on the outside of the positioning rod, and the two ends of the reset spring are respectively connected with the inner wall of the one-way mechanism mounting sleeve or the sealing positioning shaft.

[0022] The beneficial effects of the present application are as follows:

[0023] 1、The preheating box can heat the raw material gas in different steps, so that the hydrolysis of different components in the first-stage hydrolysis tower and the second-stage hydrolysis tower is completed, and the hydrolysis degree is improved; the cooperation of the preheating assembly and the guide assembly can greatly improve the heating effect, so that the raw material gas can be heated to the required temperature in a short time of fast movement in the preheating box, thereby improving the processing efficiency of the whole process; and under the cooperation of the two automatically expandable piston plates, the opening of the regulation cavity to the space can be changed in time, so that the gas pressure in the regulation cavity is kept in a relatively stable state, so that the stable raw material gas flows into the second-stage hydrolysis tower, thereby facilitating the continuous input of a large amount of hydrolysis catalyst with high precision, and promoting the rapid and stable process.

[0024] 2、The continuous input of raw material gas can drive the driving conversion shaft to rotate through the spiral through hole, and the rotation of the driving conversion shaft can drive the follow-up sealing sleeve to rotate continuously, so that the feed hole on the surface of the follow-up sealing sleeve can be continuously and intermittently communicated with the feed pipe, so that the hydrolysis catalyst can be continuously injected into the inside of the heat insulation sealing sleeve under the continuous input of the raw material gas, and fully mixed with the raw material gas, and then enter the second-stage hydrolysis tower through the one-way mechanism mounting sleeve and the communication head for rapid hydrolysis.

[0025] 3、The valve plate and the one-way mechanism mounting sleeve are tightly fitted under the elastic recovery action of the return spring, so that the inside of the one-way mechanism mounting sleeve is disconnected from the driving assembly, so that the situation that the gas on the right side of the one-way mechanism mounting sleeve flows to the driving assembly is avoided, and the raw material gas and the hydrolysis catalyst are continuously input into the second-stage hydrolysis tower through the one-way mechanism mounting sleeve and the one-way valve seat to complete the hydrolysis. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a schematic view of the hydrolysis mechanism adapted to the present application;

[0027] Figure 2 is a schematic view of the main body of the present application;

[0028] Figure 3 is a schematic view of the right side structure of the present application;

[0029] Figure 4 is a front view of the present application;

[0030] Figure 5 is a top view of the present application;

[0031] Figure 6 is a sectional view of the front of the present application;

[0032] Figure 7 Figure 6 is a sectional view of the front of the present application;

[0033] Figure 8Structure diagram of the guiding assembly of the present application;

[0034] Figure 9 Partial sectional view of the driving conversion shaft of the present application

[0035] Figure 10 Front view of the partial sectional view of the driving conversion shaft of the present application

[0036] Figure 11 Structure diagram of the preheating assembly of the present application;

[0037] Figure 12 Structure diagram of the one-way valve seat of the present application.

[0038] In the figure: 1, first hydrolysis tower; 2, second hydrolysis tower; 3, preheating box; 31, adjusting box; 32, regulating cavity; 4, preheating assembly; 41, preheating pipe; 42, inflow end; 43, outflow end; 5, guiding assembly; 51, first heat insulation plate; 52, second heat insulation plate; 53, limiting sliding frame; 54, limiting sliding block; 6, piston plate; 7, movable rod; 8, one-way flow pipe; 9, driving assembly; 91, heat insulation sealing sleeve; 92, driving conversion shaft; 93, spiral through hole; 94, positioning through connecting pipe; 95, follow-up plugging sleeve; 96, guide sleeve; 10, one-way mechanism mounting sleeve; 11, communicating head; 12, feed pipe; 13, inflow pipe; 14, outflow pipe; 15, air inlet pipe; 16, base; 17, one-way valve seat; 171, valve plate; 172, plugging plug; 173, plugging baffle; 174, plugging positioning shaft; 18, exhaust groove; 19, positioning groove; 20, positioning rod; 21, return spring. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0040] As Figures 1 to 12 shown, the embodiment of the present application provides a process for efficiently grading hydrolysis of organic sulfur in coal gas purification, including the following steps:

[0041] Step one, input the pressurized raw material gas to the first hydrolysis mechanism, and control the temperature to be kept at 80-120℃;

[0042] Step two, the raw material gas passing through the first hydrolysis mechanism is input to the second hydrolysis mechanism for secondary hydrolysis through the preheating mechanism, and the dimension is controlled to be kept at 120-170℃;

[0043] Step three, the raw material gas entering the preheating mechanism is heated sufficiently and then enters the power conversion mechanism;

[0044] Step four, the raw material gas entering the power conversion mechanism drives the power conversion mechanism to rotate, and the hydrolysis catalyst is continuously inputted in cooperation with the continuous input of the raw material gas;

[0045] Step five, the continuously inputted raw material gas and hydrolysis catalyst are fully contacted and then enter the hydrolysis tower through the one-way flow mechanism for secondary hydrolysis.

[0046] The first-stage hydrolysis mechanism and the second-stage hydrolysis mechanism in steps one to five are respectively composed of the first-stage hydrolysis tower and the preheating mechanism, and the second-stage hydrolysis tower and the preheating mechanism, the preheating mechanism includes a preheating box 3 and a preheating assembly 4, the preheating box 3 includes an adjusting box 31 arranged between the first-stage hydrolysis tower and the second-stage hydrolysis tower, the bottom of the adjusting box 31 is provided with a base 16, the inside of the adjusting box 31 is provided with a regulation cavity 32, one side of the adjusting box 31 is connected with the first-stage hydrolysis tower through a gas inlet pipe 15, the other side of the adjusting box 31 is connected with the second-stage hydrolysis tower through the power conversion mechanism and the one-way flow mechanism, and the preheating assembly 4 is arranged in the inside of the regulation cavity 32;

[0047] The raw material gas can be heated in different steps through the preheating box 3, so that the hydrolysis of different components in the first-stage hydrolysis tower and the second-stage hydrolysis tower is completed, and the hydrolysis degree is improved; the heating effect can be greatly improved through the cooperation of the preheating assembly 4 and the guide assembly 5, so that the raw material gas can be heated to the required temperature in a short time of fast movement in the preheating box 3, thereby improving the processing efficiency of the whole process.

[0048] As shown in Figure 6 the inside of the preheating assembly 4 is provided with a plurality of uniformly distributed guide assemblies 5, the inside of the regulation cavity 32 is provided with two piston plates 6 located on the front and back of the guide assemblies 5, the outside of the piston plates 6 is fitted with the inner wall of the regulation cavity 32, the opposite faces of the two piston plates 6 are respectively provided with two movable rods 7, and the movable rods 7 are movably sleeved in the inside of the first-stage hydrolysis tower 1;

[0049] The two piston plates 6 can timely change the occupation of the space in the regulation cavity 32 under the cooperation of the two piston plates 6, so that the gas pressure in the regulation cavity 32 is kept in a relatively stable state, so that the stable raw material gas flows into the second-stage hydrolysis tower, thereby facilitating the continuous input of a large number of hydrolysis catalysts with high precision, and promoting the rapid and stable progress of the process.

[0050] As shown in Figure 6 the top or the bottom of the adjacent guide assemblies 5 is respectively connected with the top or the bottom of the inner wall of the regulation cavity 32, and the bottom or the top of the adjacent guide assemblies 5 leaves a flow gap with the bottom or the top of the inner wall of the regulation cavity 32.

[0051] As Figure 6 and Figure 11 shown, the preheating assembly 4 includes a preheating pipe 41 arranged in the regulating cavity 32, the preheating pipe 41 passes between the adjacent guide assemblies 5 and penetrates the flow gap, the preheating pipe 41 is provided with an inflow end 42 and an outflow end 43 at two ends, the inflow end 42 and the outflow end 43 are connected with the inflow pipe 13 and the outflow pipe 14 respectively through the adjusting box 31;

[0052] The other ends of the inflow pipe 13 and the outflow pipe 14 are connected with the input end and the output end of the circulating heating system respectively, so that the heat flow can circulate in the preheating pipe 41, and the effect of continuously heating the raw gas is achieved, and the circulation of the heat flow is conducive to energy saving and environmental protection.

[0053] As Figure 8 shown, the guide assembly 5 includes a first heat insulation plate 51 or a second heat insulation plate 52 connected to the facing surface of the front and rear two piston plates 6, the first heat insulation plate 51 is provided with two upper and lower limiting sliding frames 53 on the side close to the second heat insulation plate 52, and the top end and the bottom end of the second heat insulation plate 52 are provided with a limiting sliding block 54 slidably connected in the limiting sliding frame 53.

[0054] As Figure 8 shown, one end of the first heat insulation plate 51 and the second heat insulation plate 52 away from each other is connected with one of the front or rear piston plates 6, and the other end of the first heat insulation plate 51 and the second heat insulation plate 52 facing each other is in contact with the other of the front or rear piston plate 6, and the top or bottom of the adjacent first heat insulation plate 51 is in contact with the inner wall of the regulating cavity 32.

[0055] The limiting sliding frame 53 and the limiting sliding block 54 can realize the mutual connection of the first heat insulation plate 51 and the second heat insulation plate 52, and also can change the overlapping surface of the first heat insulation plate 51 and the second heat insulation plate 52 under the driving of the two piston plates 6, so as to change the area of the guide assembly 5 as a whole, so as to change the space size between the two piston plates 6 in the regulating cavity 32, so as to adapt to the passing of different raw gas, and improve the gas pressure stability of the passing raw gas.

[0056] As Figure 9 shown, the power conversion mechanism includes a driving assembly 9 and a one-way mechanism mounting sleeve 10, the driving assembly 9 includes a heat insulation sealing sleeve 91 arranged between the preheating box 3 and the one-way mechanism mounting sleeve 10, one end of the heat insulation sealing sleeve 91 is in communication with the one-way mechanism mounting sleeve 10, the other end of the heat insulation sealing sleeve 91 is in communication with the inside of the regulating cavity 32 through the one-way flow pipe 8, the inside of the heat insulation sealing sleeve 91 movably sleeves the driving conversion shaft 92, the inside of the driving conversion shaft 92 is provided with a spiral through hole 93, one end of the spiral through hole 93 close to the one-way flow pipe 8 fixedly sleeves a positioning through connecting pipe 94 extending into the inside of the one-way flow pipe 8;

[0057] The top of the heat insulation sealing sleeve 91 is communicated with the feeding pipe 12, the driving conversion shaft 92 is fixedly connected with the follow-up sealing sleeve 95 movably sleeved in the heat insulation sealing sleeve 91 and the bottom of the feeding pipe 12, the driving conversion shaft 92 is fixedly connected with the guide sleeve 96 located in the follow-up sealing sleeve 95, the side surface of the follow-up sealing sleeve 95 is provided with a plurality of feeding holes, the follow-up sealing sleeve 95 is communicated with the feeding pipe 12 through the feeding holes, and the spiral through hole 93 penetrates through the driving conversion shaft 92 and extends to the inner side of the guide sleeve 96 away from the one-way flow pipe 8;

[0058] The continuously input raw material gas can drive the driving conversion shaft 92 to rotate through the spiral through hole 93, the rotation of the driving conversion shaft 92 can drive the follow-up sealing sleeve 95 to rotate continuously, and the feeding holes on the surface of the follow-up sealing sleeve 95 can be continuously and intermittently communicated with the feeding pipe 12, so that the hydrolysis catalyst can be continuously injected into the heat insulation sealing sleeve 91 under the continuous input of the raw material gas, and the raw material gas is fully mixed, and then enters the secondary hydrolysis tower through the one-way mechanism mounting sleeve 10 and the communication head 11 for rapid hydrolysis.

[0059] As shown in Figure 9 The one-way flow mechanism includes a one-way valve seat 17 and an exhaust groove 18, the one-way mechanism mounting sleeve 10 is communicated with the communication head 11 away from the driving assembly 9, the one-way valve seat 17 is movably mounted in the one-way mechanism mounting sleeve 10, the one-way mechanism mounting sleeve 10 is provided with the exhaust groove 18 away from the driving assembly 9, and the driving assembly 9 is communicated with the communication head 11 through the one-way mechanism mounting sleeve 10 and the exhaust groove 18;

[0060] The exhaust groove 18 can ensure the intercommunication of the two ends of the one-way mechanism mounting sleeve 10, so that the driving assembly 9, the one-way mechanism mounting sleeve 10 and the communication head 11 are communicated with each other, and the inner wall of the one-way mechanism mounting sleeve 10 can limit the positioning rod 20, and the positioning rod 20 can limit the one-way valve seat 17 and the return spring 21.

[0061] As shown in Figure 12As shown, the one-way valve seat 17 comprises a valve plate 171 movably sleeved in the one-way mechanism mounting sleeve 10. The valve plate 171 is conical, and the outer diameter of the valve plate 171 is adapted to the inner wall of the one-way mechanism mounting sleeve 10. The valve plate 171 is attached to the inside of the one-way mechanism mounting sleeve 10. The surface of the valve plate 171 close to the driving assembly 9 is connected to a blocking plug 172 sleeved in the one-way mechanism mounting sleeve 10. The side of the valve plate 171 away from the driving assembly 9 is provided with a blocking baffle 173. The outer diameter of the blocking baffle 173 is smaller than the inner diameter of the one-way mechanism mounting sleeve 10. The side of the blocking baffle 173 away from the driving assembly 9 is connected to a blocking positioning shaft 174. The surface of the blocking positioning shaft 174 away from the driving assembly 9 is provided with a positioning groove 19.

[0062] The valve plate 171 can block the one-way mechanism mounting sleeve 10 and the driving assembly 9. When the valve plate 171 is not in contact with the inner wall of the one-way mechanism mounting sleeve 10, the two ends of the one-way mechanism mounting sleeve 10 are communicated again, and the driving assembly 9 and the communication head 11 are connected.

[0063] As shown in the figure, Figure 9 The positioning groove 19 is inserted with a positioning rod 20. One end of the positioning rod 20 penetrates the positioning groove 19 and extends to the outside of the one-way valve seat 17 and is connected to the inner wall of the one-way mechanism mounting sleeve 10. The outside of the positioning rod 20 is provided with a return spring 21. The two ends of the return spring 21 are respectively connected to the inner wall of the one-way mechanism mounting sleeve 10 or the blocking positioning shaft 174.

[0064] The valve plate 171 and the one-way mechanism mounting sleeve 10 are tightly attached under the elastic recovery of the return spring 21. The inside of the one-way mechanism mounting sleeve 10 is disconnected from the driving assembly 9. The gas on the right side of the one-way mechanism mounting sleeve 10 is prevented from flowing to the driving assembly 9. The raw material gas and the hydrolysis catalyst are continuously input into the secondary hydrolysis tower through the one-way mechanism mounting sleeve 10 and the one-way valve seat 17 to complete the hydrolysis.

[0065] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0066] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary of the principles and application of the present application. Numerous modifications and adaptions can be effected without departing from the spirit and scope of the present application, which is not limited to the exact construction and arrangement described. It is intended, therefore, to cover all modifications and adaptions that fall within the scope of the claims and their equivalents.

Claims

1. A process for efficient fractionated hydrolysis of organic sulfur applied in coal gas purification, characterized in that, Comprising the following steps: Step one, the pressurized raw material gas is input to the first hydrolysis mechanism, and the temperature is controlled to keep at 80-120 DEG C; Step two, the raw material gas through the first hydrolysis mechanism is input to the second hydrolysis mechanism through the preheating mechanism for secondary hydrolysis, and the temperature is controlled to keep at 120-170 DEG C: The raw material gas entering the preheating mechanism is heated sufficiently and enters the power conversion mechanism; The raw material gas entering the power conversion mechanism drives the power conversion mechanism to rotate, and the hydrolysis catalyst is continuously input with the continuous input of the raw material gas; The continuously input raw material gas and hydrolysis catalyst are fully contacted and enter the second hydrolysis mechanism through the one-way flow mechanism for secondary hydrolysis; The first hydrolysis mechanism and the second hydrolysis mechanism are respectively a first hydrolysis tower and a second hydrolysis tower, the preheating mechanism comprises a preheating box (3) and a preheating assembly (4), the preheating box (3) comprises an adjusting box (31) arranged between the first hydrolysis tower and the second hydrolysis tower, a base (16) is installed at the bottom of the adjusting box (31), an adjusting cavity (32) is arranged in the adjusting box (31), one side of the adjusting box (31) is communicated with the first hydrolysis tower through a gas inlet pipe (15), the other side of the adjusting box (31) is communicated with the second hydrolysis tower through the power conversion mechanism and the one-way flow mechanism, and the preheating assembly (4) is arranged in the adjusting cavity (32); The power conversion mechanism comprises a driving assembly (9) and a one-way mechanism mounting sleeve (10), the driving assembly (9) comprises a heat insulation sealing sleeve (91) arranged between the preheating box (3) and the one-way mechanism mounting sleeve (10), one end of the heat insulation sealing sleeve (91) is communicated with the one-way mechanism mounting sleeve (10), the other end of the heat insulation sealing sleeve (91) is communicated with the inside of the adjusting cavity (32) through a one-way flow pipe (8), a driving conversion shaft (92) is movably sleeved in the heat insulation sealing sleeve (91), a spiral through hole (93) is formed in the driving conversion shaft (92), and one end of the spiral through hole (93) close to the one-way flow pipe (8) is fixedly sleeved with a positioning through connecting pipe (94) extending into the driving conversion shaft (92); The top of the heat insulation sealing sleeve (91) is communicated with a feeding pipe (12), one end of the driving conversion shaft (92) away from the one-way flow pipe (8) is fixedly connected with a follow-up sealing sleeve (95) movably sleeved in the heat insulation sealing sleeve (91) and the bottom of the feeding pipe (12), one end of the driving conversion shaft (92) away from the one-way flow pipe (8) is fixedly connected with a guide sleeve (96) located in the follow-up sealing sleeve (95), a plurality of feeding holes are formed in the side surface of the follow-up sealing sleeve (95), the follow-up sealing sleeve (95) is communicated with the feeding pipe (12) through the feeding holes, and one end of the spiral through hole (93) away from the one-way flow pipe (8) penetrates through the driving conversion shaft (92) and extends to the inside of the guide sleeve (96); The one-way flow mechanism includes a one-way valve seat (17) and an exhaust groove (18), a communication head (11) is communicated with the end of the one-way mechanism mounting sleeve (10) away from the driving assembly (9), the one-way valve seat (17) is movably mounted in the one-way mechanism mounting sleeve (10), the exhaust groove (18) is formed in the one-way mechanism mounting sleeve (10) away from the driving assembly (9), and the driving assembly (9) is communicated with the communication head (11) through the one-way mechanism mounting sleeve (10) and the exhaust groove (18); The preheating assembly (4) is internally provided with a plurality of uniformly distributed guide assemblies (5), the control cavity (32) is internally provided with two piston plates (6) located on the front and back of the guide assembly (5), the outer part of the piston plate (6) is attached to the inner wall of the control cavity (32), and the opposite surfaces of the two piston plates (6) are both provided with two movable rods (7). The guide assembly (5) includes a first heat insulation plate (51) and a second heat insulation plate (52) connected to the opposite surfaces of the front and back piston plates (6), respectively, the first heat insulation plate (51) is provided with two limiting sliding frames (53) on the side close to the second heat insulation plate (52), and the top end and the bottom end of the second heat insulation plate (52) are both provided with a limiting sliding block (54) slidably connected in the limiting sliding frame (53).

2. The process for high efficient fractionated hydrolysis of organic sulfur applied in coal gas purification according to claim 1, characterized in that: The top or bottom of the adjacent guide assembly (5) is connected with the top or bottom of the inner wall of the control cavity (32), respectively, and the bottom or top of the adjacent guide assembly (5) is left with a flow gap with the bottom or top of the inner wall of the control cavity (32).

3. The process for high efficient fractionated hydrolysis of organic sulfur applied in coal gas purification according to claim 2, characterized in that: The preheating assembly (4) includes a preheating pipe (41) arranged in the control cavity (32), the preheating pipe (41) passes through between the adjacent guide assemblies (5) and penetrates the flow gap, and the two ends of the preheating pipe (41) are provided with an inflow end (42) and an outflow end (43), and the inflow end (42) and the outflow end (43) are connected with an inflow pipe (13) and an outflow pipe (14) through the adjusting box (31), respectively.

4. The process for high efficient fractionated hydrolysis of organic sulfur applied in coal gas purification according to claim 1, characterized in that: The one-way valve seat (17) includes a valve plate (171) movably sleeved in the one-way mechanism mounting sleeve (10), the valve plate (171) is a cone, the outer diameter of the valve plate (171) is matched with the size of the inner wall of the one-way mechanism mounting sleeve (10), the valve plate (171) is attached to the inside of the one-way mechanism mounting sleeve (10), the side of the valve plate (171) close to the driving assembly (9) is connected with a blocking plug (172) sleeved in the one-way mechanism mounting sleeve (10), the side of the valve plate (171) away from the driving assembly (9) is provided with a blocking baffle (173), the outer diameter of the blocking baffle (173) is smaller than the inner diameter of the one-way mechanism mounting sleeve (10), the side of the blocking baffle (173) away from the driving assembly (9) is connected with a blocking positioning shaft (174), and the side of the blocking positioning shaft (174) away from the driving assembly (9) is provided with a positioning groove (19).

5. The process for efficient fractionated hydrolysis of organic sulfur applied in coal gas purification according to claim 4, characterized in that: The inside of the positioning slot (19) is inserted with a positioning rod (20), one end of the positioning rod (20) penetrates through the positioning slot (19) and extends to the outside of the one-way valve seat (17) and is connected with the inner wall of the one-way mechanism mounting sleeve (10), the outside of the positioning rod (20) is provided with a reset spring (21), both ends of the reset spring (21) are connected with the inner wall of the one-way mechanism mounting sleeve (10) and the blocking positioning shaft (174) respectively.

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