Electrocatalytic hydrogenation reduction device for vat dyes

Abstract

The application discloses a kind of electrocatalytic hydrogenation reduction devices of vat dyes, it is related to electrocatalysis technical field, including cathode groove block and anode groove block, the opposite side of cathode groove block and anode groove block is equipped with electrolytic component in common, the electrolytic component includes first sealing strip, ion exchange membrane, anode material, cathode material, second sealing strip, electrolytic component and cathode groove block and anode groove block are commonly connected with multiple fixed screw between, the rear side of multiple fixed screw rod wall is all connected with fixed nut in thread, the top surface of cathode groove block is equipped with ventilation component.The application solves the problems of low production efficiency, high energy consumption, the need to carry out pure chemical hydrogenation and other problems in the production of existing electrocatalytic hydrogenation reduction of vat dyes, the device catalytic oxidation speed is fast, energy consumption is low, only consumes electric energy, does not add any chemical reagent, no secondary pollution, operation is safe, simple, system operation degree of automation is high, no manpower operation burden.

Description

TECHNICAL FIELD

[0001] The application relates to the field of electrocatalysis, in particular to an electrocatalytic hydrogenation reduction device for vat dyes. BACKGROUND

[0002] The textile enterprises are required to adapt to the ecological environment development and implement the social responsibility of enterprises, and the vat dyes are mostly used for the same-color dyeing of blended fabrics due to the full color spectrum, bright color, excellent light fastness, chlorine fastness and excellent stability, but the vat dyes cannot be directly used for dyeing cotton fabrics because of the structure characteristics of the vat dyes, so the vat dyes must be reduced into the corresponding leuco bodies in the use process, and then the vat dyes can be used for dyeing under the alkaline condition.

[0003] In most industrial processes, sodium hydrosulfite (sodium dithionite) is chemically reduced, and a large amount of sodium dithionite, sulfite, sulfate and toxic sulfide are generated in the process of using sodium dithionite for reduction, which seriously pollutes the environment, so people researches catalytic hydrogenation, biological reduction and new reducing agent methods which are expected to replace sodium dithionite reduction, and at present, the three methods cannot meet the requirements of industrial production due to harsh reaction conditions, high use cost and low reduction efficiency, so a kind of electrocatalytic hydrogenation reduction device for vat dyes is needed to meet the requirements of industrial production. SUMMARY

[0004] In order to achieve the above purpose, the application specifically adopts the following technical scheme:

[0005] The electrocatalytic hydrogenation reduction device for vat dyes comprises a cathode groove block and an anode groove block, opposite sides of the cathode groove block and the anode groove block are provided with an electrolysis assembly, the electrolysis assembly comprises a first sealing strip, an ion exchange membrane, an anode material, a cathode material and a second sealing strip, a plurality of fixed screws are screw-connected between the electrolysis assembly, the cathode groove block and the anode groove block, and the rear sides of the walls of the fixed screws are screw-connected with fixed nuts.

[0006] The top surface of the cathode groove block is provided with a ventilation assembly, and the left surface of the anode groove block is provided with a liquid storage and supplementing assembly.

[0007] The ventilation assembly comprises a cathode gas inlet pipe and a cathode gas outlet pipe fixedly connected to the top surface of the cathode groove block, and the top surface of the anode groove block is fixedly connected with an anode gas inlet pipe and an anode gas outlet pipe.

[0008] Further, the liquid storage and supplementing assembly comprises an anode solution adding shell fixedly connected to the left face of the anode groove block, an oxidation product output pipe fixedly connected to the lower right face of the anode solution adding shell, the left end of the oxidation product output pipe being fixedly connected to the right face of the anode groove block, an anode solution input pipe fixedly connected to the left face of the anode solution adding shell, the right face of the anode solution input pipe being fixedly connected to the left face of the anode groove block, a first power pump arranged on the right side of the wall of the oxidation product output pipe, and a liquid pushing shell fixedly connected to the upper side of the wall of the anode solution input pipe, the interior of the liquid pushing shell being provided with a liquid pushing assembly.

[0009] The lower right face of the cathode groove block is fixedly connected with a reduction product output pipe, the lower side of the wall of the reduction product output pipe being provided with a second power pump, the upper left face of the cathode groove block is fixedly connected with an cathode solution input pipe, the right face of the cathode solution input pipe is fixedly connected with a cathode solution adding shell, the top face of the cathode solution adding shell and the top face of the anode solution adding shell are both fixedly connected with a liquid adding cone, and the lower side of the wall of the cathode solution input pipe is provided with a cathode liquid water pump.

[0010] Further, the liquid pushing assembly comprises three circular cavities arranged in the inner wall of the liquid pushing shell, a suction cavity arranged on the lower side of the inner wall of the middle circular cavity, a guide-out pipe fixedly connected to the right side of the inner wall of the middle circular cavity, the lower end of the guide-out pipe extending through the interior of the liquid pushing shell and the top face of the anode groove block to the interior of the anode groove block, check valves arranged on the inner wall of the guide-out pipe and the inner wall of the suction cavity, a suction port arranged on the right side of the upper side of the inner wall of the suction cavity, piston blocks arranged on the right side of the inner wall of each of the three circular cavities, and pushing assemblies arranged on the left face of each of the front and rear piston blocks.

[0011] The pushing assembly comprises a moving horizontal rod fixedly connected to the left face of the piston block, the left ends of the two moving horizontal rods extending through the left side of the inner wall of the corresponding circular cavity to the left face of the liquid pushing shell, a pull plate fixedly connected to the rod walls of the two moving horizontal rods, moving ports arranged on the left and right sides of the middle circular cavity at the side of the pull plate, the surface of the pull plate being in contact with the inner wall of the moving port, a pull rod fixedly connected to the center of the right face of the pull plate, the right end of the pull rod being fixedly connected to the middle piston block, springs sleeved on the rod walls of the two moving horizontal rods at the left side of the pull plate, pressure relief ports arranged on the left side of the upper side of the front and rear circular cavities, and N-shaped connecting ports arranged on the right face of the front and rear circular cavities.

[0012] Further, the lower sides of the inner walls of the cathode groove block and the anode groove block are both provided with special-shaped heating cavities, the upper sides of the inner walls of the two special-shaped heating cavities are both provided with three groups of heating assemblies, and the left faces of the cathode groove block and the anode groove block are both provided with a group of starting switches on the opposite sides.

[0013] Further, the heating assembly is composed of five electric heating pipes, and the front and rear ends of the electric heating pipes are fixedly connected with the front and rear sides of the inner wall of the special-shaped heating cavity.

[0014] Further, the lower sides of the pipe walls of the cathode gas inlet pipe, the cathode gas outlet pipe, the anode gas inlet pipe and the anode gas outlet pipe are provided with valve bodies.

[0015] Further, the front surfaces of the plurality of fixed nuts are in contact with the rear surfaces of the cathode groove blocks, the cathode gas inlet pipe and the cathode gas outlet pipe are fixedly arranged on the left and right sides of the top surface of the cathode groove block, the anode gas inlet pipe and the anode gas outlet pipe are fixedly arranged on the left and right sides of the top surface of the anode groove block, the bottom surface of the anode solution adding shell is fixedly connected with the top surface of the cathode groove block, the left end of the anode gas outlet pipe is fixedly connected with the left surface of the liquid pushing shell, and the bottom surface of the liquid pushing shell is fixedly connected with the top surface of the anode groove block.

[0016] Further, the first sealing strip, the ion exchange membrane, the anode material, the cathode material and the second sealing strip are combined into one plate body structure, the front surface of the first sealing strip is in contact with the rear surface of the anode groove block, the rear surface of the second sealing strip is in contact with the front surface of the cathode groove block, the front surfaces of the ion exchange membrane are in contact with the opposite surfaces of the anode material and the cathode material, the rear surface of the first sealing strip is in contact with the front surface of the anode material, and the front surface of the second sealing strip is in contact with the rear surface of the cathode material.

[0017] Further, the first sealing strip and the second sealing strip are frame structures made of rubber, the material of the anode material is silicon, the material of the cathode material is copper, and each group of the starting switch is provided with three starting switches.

[0018] Further, the pipe wall of the oxidation product outlet pipe is fixedly connected with two support hole plates on the left side of the first power pump, the top surfaces of the two support hole plates are fixedly connected with the bottom surface of the anode groove block, and the bottom surface of the special-shaped heating cavity is provided with an aluminum silicate cotton plate.

[0019] The technical effects and advantages of the present application are as follows:

[0020] The electrolytic assembly can electrolyze the substances in the cathode groove block and the anode groove block, the gas generated in the process can be led out through the anode gas output pipe and the cathode gas output pipe in the aeration assembly, the collection and utilization effect of the reaction gas is ensured, and the substances electrolyzed in the cathode groove block and the anode groove block are led out through the oxidation product output pipe and the reduction product output pipe, the use effect of the whole is ensured, through the above structure, the device solves the problems of low production efficiency, high energy consumption, the need for re-chemical hydrogenation and the like in the production of the existing electrocatalytic hydrogenation reduction of the reduced dye, the catalytic oxidation speed is fast, the energy consumption is low, only the electric energy is consumed, no chemical reagent is added, there is no secondary pollution, the operation is safe and simple, the automation degree of system operation is high, and there is no manual operation burden.

[0021] The application utilizes the oxygen generated near the anode electrode in the anode groove block to drive the structure, the alkaline substance solution in the anode solution adding shell is introduced into the anode groove block, the concentration of hydroxyl radical in the anode groove block is ensured through the re-introduction of the alkaline substance solution, and then the liquid recycling in the processing of the device is ensured, and the cost of the processing is reduced.

[0022] The application utilizes the starting switch to control the heating of the electric heating pipe, the reaction in the cathode groove block and the anode groove block is more sufficient, the electrolysis quality of the whole device is increased, and then the quality of the dye processed by the device is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is an overall front perspective structure schematic diagram of the application.

[0024] Figure 2 It is an overall front perspective structure schematic diagram of the application. Figure 1 It is an enlarged structure schematic diagram of A part in the application.

[0025] Figure 3 It is an overall back perspective structure schematic diagram of the application.

[0026] Figure 4 It is an overall back perspective structure schematic diagram of the application. Figure 3 It is an enlarged structure schematic diagram of B part in the application.

[0027] Figure 5 It is a liquid pushing shell horizontal section perspective structure schematic diagram of the application.

[0028] Figure 6 It is a liquid pushing shell vertical section perspective structure schematic diagram of the application.

[0029] Figure 7 It is an overall horizontal section perspective structure schematic diagram of the application.

[0030] Figure 8 It is an overall horizontal section perspective structure schematic diagram of the application. Figure 7 It is an enlarged structure schematic diagram of C part in the application.

[0031] Figure 9 It is a profile perspective structure schematic diagram of the cathode groove block of the application.

[0032] Figure 10 It is a perspective structure schematic diagram of the electrolysis assembly of the application.

[0033] In the figure: 1, cathode groove block; 2, anode groove block; 3, first sealing strip; 4, ion exchange membrane; 5, anode material; 6, cathode material; 7, second sealing strip; 8, fixing screw; 9, pressure relief port; 10, cathode gas inlet pipe; 11, cathode gas output pipe; 12, anode gas inlet pipe; 13, anode gas output pipe; 14, anode solution adding shell; 15, oxidation product output pipe; 16, anode solution input pipe; 17, first power pump; 18, liquid pushing shell; 19, reduction product output pipe; 20, second power pump; 21, cathode solution input pipe; 22, cathode solution adding shell; 23, liquid adding cone; 24, cathode liquid water pump; 25, special-shaped heating cavity; 26, starting switch; 27, electric heating pipe; 28, valve body; 29, support hole plate; 30, aluminum silicate cotton plate; 31, round cavity; 32, suction cavity; 33, lead-out pipe; 34, check valve; 35, suction port; 36, piston block; 37, moving cross rod; 38, pull plate; 39, moving port; 40, pull rod; 41, spring; 42, N-shaped connecting port. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical scheme and advantages of the embodiments of the application more clear, the technical scheme in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application.

[0035] As shown in Figures 1-10 A device for electrocatalytic hydrogenation reduction of vat dyes, comprising a cathode groove block 1 and an anode groove block 2, and the opposite sides of the cathode groove block 1 and the anode groove block 2 are provided with an electrolysis assembly, the electrolysis assembly comprises a first sealing strip 3, an ion exchange membrane 4, an anode material 5, a cathode material 6, and a second sealing strip 7, and a plurality of fixing screws 8 are threadedly connected between the electrolysis assembly and the cathode groove block 1 and the anode groove block 2, and the rear side of the wall of the plurality of fixing screws 8 is threadedly connected with a fixing nut;

[0036] The top surface of the cathode groove block 1 is provided with a ventilation assembly, and the left surface of the anode groove block 2 is provided with a liquid storage and supplementing assembly;

[0037] The ventilation assembly comprises a cathode gas inlet pipe 10 and a cathode gas output pipe 11 fixedly connected to the top surface of the cathode groove block 1, and the top surface of the anode groove block 2 is fixedly connected with an anode gas inlet pipe 12 and an anode gas output pipe 13;

[0038] The liquid storage and supplement assembly comprises an anode solution adding shell 14 fixedly connected to the left face of the anode groove block 2, an oxidation product output pipe 15 fixedly connected to the lower right face of the anode solution adding shell 14, the left end of the oxidation product output pipe 15 being fixedly connected to the right face of the anode groove block 2, an anode solution input pipe 16 fixedly connected to the left face of the anode solution adding shell 14, the right face of the anode solution input pipe 16 being fixedly connected to the left face of the anode groove block 2, a first power pump 17 arranged on the right side of the wall of the oxidation product output pipe 15, a liquid pushing shell 18 fixedly connected to the upper side of the wall of the anode solution input pipe 16, the connection position of the anode solution input pipe 16 and the liquid pushing shell 18 being on one side of the suction cavity 32, so as to ensure the inflow effect of the liquid in the anode solution adding shell 14, and the liquid pushing shell 18 being internally provided with a liquid pushing assembly;

[0039] The lower right face of the cathode groove block 1 is fixedly connected with a reduction product output pipe 19, the lower side of the wall of the reduction product output pipe 19 being provided with a second power pump 20, the upper left face of the cathode groove block 1 being fixedly connected with a cathode solution input pipe 21, the right face of the cathode solution input pipe 21 being fixedly connected with a cathode solution adding shell 22, the top face of the cathode solution adding shell 22 and the top face of the anode solution adding shell 14 being fixedly connected with a liquid adding cone 23, the lower side of the wall of the cathode solution input pipe 21 being provided with a cathode liquid pump 24, through the above structure, the device can solve the problems of low production efficiency, high energy consumption and the need for further chemical hydrogenation in the production of the existing electrocatalytic hydrogenation reduction of dyes, the catalytic oxidation speed of the device is fast, the energy consumption is low, only electric energy is consumed, no chemical reagent is added, there is no secondary pollution, the operation is safe and simple, the system operation automation degree is high, and there is no manual operation burden.

[0040] The liquid pushing assembly comprises three circular cavities 31 arranged in the inner wall of the liquid pushing shell 18, a suction cavity 32 arranged on the lower side of the middle circular cavity 31, a guide-out pipe 33 fixedly connected to the right side of the inner wall of the middle circular cavity 31, the lower end of the guide-out pipe 33 extending through the inside of the liquid pushing shell 18 and the top face of the anode groove block 2 to the inside of the anode groove block 2, check valves 34 arranged on the inner walls of the guide-out pipe 33 and the suction cavity 32, a suction port 35 arranged on the right side of the upper side of the inner wall of the suction cavity 32, piston blocks 36 arranged on the right sides of the inner walls of the three circular cavities 31, and pushing assemblies arranged on the left faces of the front and rear piston blocks 36.

[0041] The pushing assembly comprises two moving cross bars 37 fixedly connected to the left side of the piston block 36, the left ends of the two moving cross bars 37 extend to the left side of the liquid pushing shell 18 through the left side of the inner wall of the corresponding circular cavity 31, the rod walls of the two moving cross bars 37 are fixedly connected with a pull plate 38, the front and back sides of the inner wall of the middle circular cavity 31 are provided with moving openings 39 on the side of the pull plate 38, the surface of the pull plate 38 is in contact with the inner wall of the moving opening 39, the center of the right side of the pull plate 38 is fixedly connected with a pull rod 40, the right end of the pull rod 40 is fixedly connected with the middle piston block 36, the rod walls of the two moving cross bars 37 on the left side of the pull plate 38 are sleeved with springs 41, the left sides of the upper sides of the inner walls of the front and back circular cavities 31 are provided with pressure relief openings 9, the pressure relief openings 9 can be connected with other collection devices, so as to ensure the recycling effect of the reaction gas, the right sides of the inner walls of the front and back circular cavities 31 are provided with N-shaped connecting openings 42, the gas reacted in the anode groove block 2 is transported into the liquid pushing shell 18 through the anode gas output pipe 13, the structure can ensure the continuous output of the liquid in the anode solution adding shell 14, ensure the concentration of the substances in the anode groove block 2, and ensure the quality in the processing process.

[0042] As shown in Figures 1-7 In some embodiments, an electrocatalytic hydrogen reduction device for reducing dyes includes a cathode groove block 1 and an anode groove block 2, and the opposite sides of the cathode groove block 1 and the anode groove block 2 are provided with an electrolysis assembly, the electrolysis assembly includes a first sealing strip 3, an ion exchange membrane 4, an anode material 5, a cathode material 6, and a second sealing strip 7, a plurality of fixed screws 8 are threadedly connected between the electrolysis assembly and the cathode groove block 1 and the anode groove block 2, and the rear sides of the rod walls of the plurality of fixed screws 8 are threadedly connected with fixed nuts.

[0043] The top surface of the cathode groove block 1 is provided with a ventilation assembly, and the left side of the anode groove block 2 is provided with a liquid storage and supplementing assembly.

[0044] The ventilation assembly includes a cathode gas inlet pipe 10 and a cathode gas output pipe 11 fixedly connected to the top surface of the cathode groove block 1, and the top surface of the anode groove block 2 is fixedly connected with an anode gas inlet pipe 12 and an anode gas output pipe 13.

[0045] The lower sides of the inner walls of the cathode groove block 1 and the anode groove block 2 are provided with special-shaped heating cavities 25, the upper sides of the inner walls of the two special-shaped heating cavities 25 are provided with three groups of heating assemblies, the opposite sides of the left sides of the cathode groove block 1 and the anode groove block 2 are provided with a group of starting switches 26, the plurality of heating assemblies are each composed of five electric heating pipes 27, the front and back ends of the plurality of electric heating pipes 27 are fixedly connected with the front and back sides of the inner walls of the special-shaped heating cavities 25, and the lower sides of the pipe walls of the cathode gas inlet pipe 10, the cathode gas output pipe 11, the anode gas inlet pipe 12, and the anode gas output pipe 13 are provided with valve bodies 28.

[0046] As shown in Figures 3-8As shown, in some embodiments, a device for electrocatalytic hydrogen reduction of vat dyes includes a cathode tank block 1 and an anode tank block 2, and the opposite sides of the cathode tank block 1 and the anode tank block 2 are provided with an electrolysis assembly, which includes a first sealing strip 3, an ion exchange membrane 4, an anode material 5, a cathode material 6, and a second sealing strip 7. A plurality of fixing screws 8 are threadedly connected between the electrolysis assembly and the cathode tank block 1 and the anode tank block 2, and the rear side of the rod wall of each fixing screw 8 is threadedly connected with a fixing nut;

[0047] The top surface of the cathode tank block 1 is provided with a ventilation assembly, and the left surface of the anode tank block 2 is provided with a liquid storage and supplementing assembly.

[0048] The ventilation assembly includes a cathode gas inlet pipe 10 and a cathode gas output pipe 11 fixedly connected to the top surface of the cathode tank block 1, and the top surface of the anode tank block 2 is fixedly connected with an anode gas inlet pipe 12 and an anode gas output pipe 13.

[0049] The front surface of each fixing nut is in contact with the rear surface of the cathode tank block 1, the cathode gas inlet pipe 10 and the cathode gas output pipe 11 are respectively fixed to the left and right sides of the top surface of the cathode tank block 1, the anode gas inlet pipe 12 and the anode gas output pipe 13 are respectively fixed to the left and right sides of the top surface of the anode tank block 2, the bottom surface of the anode solution adding shell 14 is fixedly connected to the top surface of the cathode tank block 1, the left end of the anode gas output pipe 13 is fixedly connected to the left surface of the liquid pushing shell 18, the connection position of the anode gas output pipe 13 and the liquid pushing shell 18 is at the position of the N-shaped connecting port 42, which can ensure the effect of gas delivery to the front and rear two circular cavities 31, the bottom surface of the liquid pushing shell 18 is fixedly connected to the top surface of the anode tank block 2, the first sealing strip 3, the ion exchange membrane 4, the anode material 5, the cathode material 6, and the second sealing strip 7 are combined into one plate structure, the front surface of the first sealing strip 3 is in contact with the rear surface of the anode tank block 2, the rear surface of the second sealing strip 7 is in contact with the front surface of the cathode tank block 1, the front surfaces of the ion exchange membrane 4 are respectively in contact with the opposite surfaces of the anode material 5 and the cathode material 6, the rear surface of the first sealing strip 3 is in contact with the front surface of the anode material 5, and the front surface of the second sealing strip 7 is in contact with the rear surface of the cathode material 6, the first sealing strip 3 and the second sealing strip 7 are both frame structures made of rubber, the material of the anode material 5 is silicon, and the material of the cathode material 6 is copper, each group of starting switch 26 is provided with three, two support hole plates 29 are fixedly connected to the left side of the pipe wall of the oxidation product output pipe 15, the support hole plates 29 ensure the stability of the oxidation product output pipe 15 during use, the top surfaces of the two support hole plates 29 are fixedly connected to the bottom surface of the anode tank block 2, the bottom surface of the special-shaped heating cavity 25 is provided with an aluminum silicate cotton board 30, which can ensure the bottom of the device and avoid the problem of direct heating of the device bottom by the special-shaped heating cavity 25.

[0050] The working principle of the present application is as follows: when the device is used, the power supply needs to be connected, the positive and negative poles of the power supply are connected with the fixed screw rod 8, the fixed screw rod 8 can ensure the fixing effect of the cathode groove block 1, the anode groove block 2 and the electrolysis assembly, and two of them can be used as cathode and anode electrodes, the fixed screw rod 8 is connected with the positive and negative poles of the power supply by using the power supply line, and when used, it is ensured that the anode electrode material is in close contact with the anode screw rod and does not contact with the remaining screw rods, and the same is true for the cathode electrode material, which is in close contact with the cathode screw rod and does not contact with the remaining screw rods, each screw rod can be connected with the power supply and the electrode material, and can be flexibly selected according to the needs, thereby increasing the flexibility of the device during use.

[0051] The lower end of the reduction product output pipe 19 is connected with the reduction product collector to ensure the collection and utilization effect of the reduction product, the anode gas output pipe 13 in the device can transport the gas reacted in the anode groove block 2, the gas is introduced into the N-shaped connecting port 42 in the liquid pushing shell 18 through the anode gas output pipe 13, so that the gas can move the piston blocks 36 in the front and rear two circular cavities 31, under the driving of the front and rear two piston blocks 36, the pull plate 38 can drive the piston blocks 36 on the pull rod 40 to move in the same direction, so that under the movement of the middle piston block 36, the vacuum effect of the middle circular cavity 31 can be ensured, and then the middle circular cavity 31 can extract the liquid in the anode solution adding shell 14 through the suction port 35, the suction cavity 32 and the anode solution input pipe 16, when the front and rear two piston blocks 36 move to the pressure relief port 9 position, the gas will flow out, so that the pressure of the front and rear two circular cavities 31 will decrease, under the elastic force of the spring 41, the front and rear two piston blocks 36 are pushed to move in the opposite direction of the original moving direction, thereby ensuring that the middle piston block 36 pushes the liquid in the middle circular cavity 31 to the anode groove block 2 through the export pipe 33, thereby ensuring the replenishment and concentration of the substances in the anode groove block 2, the check valve 34 in the suction cavity 32 can ensure that the liquid flows into the circular cavity 31 through the anode solution input pipe 16, and the liquid in the circular cavity 31 cannot flow back to the anode solution input pipe 16, and the check valve 34 in the export pipe 33 can only ensure that the liquid in the circular cavity 31 flows into the anode groove block 2, and the reverse is not allowed, so that under the elastic force of the spring 41 and the gas transportation condition of the anode gas output pipe 13, the left and right reciprocating motion of the center piston block 36 is ensured, and the liquid replenishment in the anode groove block 2 is ensured, thereby improving the reaction effect.

[0052] The output pipe 15 of the oxidation product in the anode groove block 2 in the device is transported to the anode solution adding shell 14 under the transportation of the first power pump 17, which ensures the recycling effect of the solution in the anode solution adding shell 14, and the liquid in the cathode groove block 1 is transported from the cathode solution adding shell 22 by the cathode liquid pump 24, when the cathode and anode groove block structure is used, the electric heating pipe 27 can increase the internal temperature, thereby increasing the reaction rate of electrolysis, and ensuring the full reaction, the three settings of each starting switch 26, starting two electric heating pipes 27 in the heating assembly of one starting switch 26 will start, and starting the heating assembly will start four electric heating pipes 27, when three starting switches 26 are started at the same time, the electric heating pipes 27 in each heating assembly will be started, when one starting switch 26 is started, the temperature in the special-shaped heating cavity 25 is 300-400 degrees Celsius, when two starting switches 26 are started, the temperature in the special-shaped heating cavity 25 is 600-750 degrees Celsius, when three starting switches 26 are started at the same time, the temperature in the special-shaped heating cavity 25 is 800-1100 degrees Celsius, the device can set the temperature sensor on the surface of the cathode and anode groove block structure, which can better ensure the use effect of the device.

[0053] The present application highlights the innovative structure of the existing mature technology and structure without too much redundancy.

[0054] The above description of disclosed embodiments enables those skilled in the art to carry out or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An electrocatalytic hydroreduction device of vat dyes, comprising a cathode cell block (1) and an anode cell block (2), characterized in that: The opposite side of the cathode groove block (1) and the anode groove block (2) is provided with an electrolysis assembly, which comprises a first sealing strip (3), an ion exchange membrane (4), an anode material (5), a cathode material (6), a second sealing strip (7), and a plurality of fixed screws (8) are threadedly connected between the electrolysis assembly and the cathode groove block (1) and the anode groove block (2), and the rear side of the rod wall of the plurality of fixed screws (8) is threadedly connected with a fixed nut; The top surface of the cathode groove block (1) is provided with a ventilation assembly, and the left surface of the anode groove block (2) is provided with a liquid storage and supplementing assembly; The ventilation assembly comprises a cathode gas inlet pipe (10) and a cathode gas output pipe (11) fixedly connected to the top surface of the cathode groove block (1), and the top surface of the anode groove block (2) is fixedly connected with an anode gas inlet pipe (12) and an anode gas output pipe (13); The liquid storage and supplementing assembly comprises an anode solution adding shell (14) fixedly connected to the left surface of the anode groove block (2), an oxidation product output pipe (15) fixedly connected to the lower right side of the anode solution adding shell (14), the left end of the oxidation product output pipe (15) being fixedly connected to the right surface of the anode groove block (2), an anode solution input pipe (16) fixedly connected to the left surface of the anode solution adding shell (14), the right surface of the anode solution input pipe (16) being fixedly connected to the left surface of the anode groove block (2), a first power pump (17) arranged on the right side of the pipe wall of the oxidation product output pipe (15), a liquid pushing shell (18) fixedly connected to the upper side of the pipe wall of the anode solution input pipe (16), and a liquid pushing assembly arranged in the liquid pushing shell (18); A reduction product output pipe (19) is fixedly connected to the lower right surface of the cathode groove block (1), a second power pump (20) is arranged on the lower side of the pipe wall of the reduction product output pipe (19), an anode solution input pipe (21) is fixedly connected to the upper left surface of the cathode groove block (1), a cathode solution adding shell (22) is fixedly connected to the right surface of the anode solution input pipe (21), a liquid adding cone (23) is fixedly connected to the top surface of the cathode solution adding shell (22) and the top surface of the anode solution adding shell (14), and a cathode liquid water pump (24) is arranged on the lower side of the pipe wall of the cathode solution input pipe (21); The liquid pushing assembly comprises three circular cavities (31) formed in the inner wall of the liquid pushing shell (18), a suction cavity (32) formed in the lower side of the middle circular cavity (31) of the inner wall of the liquid pushing shell (18), a guide-out pipe (33) fixedly connected to the right side of the inner wall of the middle circular cavity (31), the lower end of the guide-out pipe (33) extending through the inside of the liquid pushing shell (18) and the top surface of the anode groove block (2) to the inside of the anode groove block (2), check valves (34) arranged on the inner walls of the guide-out pipe (33) and the suction cavity (32), a suction port (35) formed in the right side of the upper side of the inner wall of the suction cavity (32), a piston block (36) arranged on the right side of the inner wall of each of the three circular cavities (31), and a pushing assembly arranged on the left surface of each of the front and rear piston blocks (36). The pushing assembly comprises two moving cross bars (37) fixedly connected to the left side of the piston block (36), the left ends of the two moving cross bars (37) respectively extend to the left side of the liquid pushing shell (18) through the left side of the inner wall of the corresponding circular cavity (31), the rod walls of the two moving cross bars (37) are fixedly connected with a pull plate (38) in common, the front and back sides of the inner wall of the middle circular cavity (31) are provided with moving openings (39) on the side of the pull plate (38), the surface of the pull plate (38) is in contact with the inner wall of the moving opening (39), the center of the right side of the pull plate (38) is fixedly connected with a pull rod (40), the right end of the pull rod (40) is fixedly connected with the middle piston block (36), the rod walls of the two moving cross bars (37) are respectively sleeved with springs (41) on the left side of the pull plate (38), the left sides of the upper sides of the inner walls of the front and back circular cavities (31) are provided with pressure relief openings (9), and the right sides of the inner walls of the front and back circular cavities (31) are provided with N-shaped connecting openings (42) in common.

2. The electrocatalytic hydrogen reduction device for vat dyes according to claim 1, characterized in that: The lower sides of the inner walls of the cathode groove block (1) and the anode groove block (2) are provided with special-shaped heating cavities (25), the upper sides of the inner walls of the two special-shaped heating cavities (25) are provided with three groups of heating assemblies, and the left sides of the cathode groove block (1) and the anode groove block (2) are provided with a group of starting switches (26) on opposite sides.

3. The electrocatalytic device for the reductive hydrohydrogenation of vat dyes according to claim 2, characterized in that: The plurality of heating assemblies are each composed of five electric heating pipes (27), and the front and back ends of the plurality of electric heating pipes (27) are fixedly connected with the front and back sides of the inner walls of the special-shaped heating cavities (25) respectively.

4. The electrocatalytic hydrogen reduction device for vat dyes according to claim 1, characterized in that: The lower sides of the pipe walls of the cathode gas inlet pipe (10), the cathode gas outlet pipe (11), the anode gas inlet pipe (12) and the anode gas outlet pipe (13) are provided with valve bodies (28).

5. The electrocatalytic device for the reductive hydrohydrogenation of vat dyes according to claim 1, characterized in that: The front surfaces of the plurality of fixed nuts are in contact with the rear surface of the cathode groove block (1), the cathode gas inlet pipe (10) and the cathode gas outlet pipe (11) are fixed to the left and right sides of the top surface of the cathode groove block (1) respectively, the anode gas inlet pipe (12) and the anode gas outlet pipe (13) are fixed to the left and right sides of the top surface of the anode groove block (2) respectively, the bottom surface of the anode solution adding shell (14) is fixedly connected with the top surface of the cathode groove block (1), the left end of the anode gas outlet pipe (13) is fixedly connected with the left surface of the liquid pushing shell (18), and the bottom surface of the liquid pushing shell (18) is fixedly connected with the top surface of the anode groove block (2).

6. The electrocatalytic reductive hydrodeoxidation device of a vat dye according to claim 1, characterized in that: The first sealing strip (3), the ion exchange membrane (4), the anode material (5), the cathode material (6) and the second sealing strip (7) are combined into one plate body structure, the front surface of the first sealing strip (3) is in contact with the rear surface of the anode groove block (2), the rear surface of the second sealing strip (7) is in contact with the front surface of the cathode groove block (1), the front surfaces of the ion exchange membrane (4) are respectively in contact with the opposite surfaces of the anode material (5) and the cathode material (6), the rear surface of the first sealing strip (3) is in contact with the front surface of the anode material (5), and the front surface of the second sealing strip (7) is in contact with the rear surface of the cathode material (6).

7. The electrocatalytic device for the reductive hydrohydrogenation of vat dyes according to claim 2, characterized in that: The first sealing strip (3) and the second sealing strip (7) are frame structures of rubber material, the material of the anode material (5) is silicon, the material of the cathode material (6) is copper, and each group of the starting switch (26) is provided with three.

8. The electrocatalytic device for the reductive hydrohydrogenation of vat dyes according to claim 2, characterized in that: The wall of the oxidation product output pipe (15) is fixedly connected with two support hole plates (29) on the left side of the first power pump (17), the top surfaces of the two support hole plates (29) are fixedly connected with the bottom surface of the anode groove block (2), and the bottom surface of the special-shaped heating cavity (25) is provided with an aluminum silicate cotton board (30).

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