A wastewater treatment device for butanol production

Abstract

The invention provides a wastewater treatment device for the production of butyl octanol, and relates to the field of chemical wastewater treatment, including: a wastewater treatment tank group; the wastewater treatment tank group is composed of three round tanks connected in series, a tank communication port is provided between adjacent round tanks, a valve control pipe is connected to the top of the tank communication port, a reduction motor is fixedly connected to the top of the valve control pipe, a blocking nut is threadedly connected to the bottom of each round tank of the wastewater treatment tank group, and a driving motor is fixedly installed on the top of each round tank of the wastewater treatment tank group. Through the circulating cooling water inlet, the coolant flows from bottom to top through the outer side wall of the first round tank and the third round tank of the wastewater treatment tank group, and flows from top to bottom in the outer side wall of the second round tank of the wastewater treatment tank group, so as to continuously cool the wastewater treatment tank group, so that the temperature is maintained between 17 degrees Celsius and 35 degrees Celsius, thereby improving the chemical treatment efficiency of wastewater, and solving the problem of large temperature difference when chemical raw materials react at different stages.

Description

Technical Field

[0001] The invention relates to the technical field of chemical wastewater treatment, and in particular to a wastewater treatment device for butanol and octanol production. Background Art

[0002] Butyl octanol is an organic compound synthesized from butanol and octanol. It has a special smell and can form azeotropes with water and a variety of compounds. It is moderately toxic. Butyl octanol is also an important raw material for the synthesis of fine chemical products. The wastewater generated during the production process will contain a large amount of COD and requires special treatment.

[0003] Based on the above, the existing wastewater treatment device for butanol production has the following shortcomings:

[0004] In the process of treating 1,2-butanol wastewater, the chemical reagents that need to be added include sulfuric acid, C8 alkane alcohol, FeSO4 solid or solution, hydrogen peroxide and Ca(OH)2. These different chemical reagents need to be added at different stages, and various chemical reagents will produce different problems when reacting. There are large temperature differences. In different treatment stages, the temperature difference problem can easily cause delays in the treatment process, affecting the chemical reactions at different stages, thereby affecting the treatment efficiency of the wastewater. In addition, after purification, the solid and liquid are easily mixed during separation and transportation, resulting in incomplete wastewater treatment. Summary of the invention

[0005] The disclosed embodiment relates to a wastewater treatment device for the production of butanol and octanol, which uses a circulating cooling water inlet to allow the coolant to flow from bottom to top through the outer walls of the first and third round tanks of the wastewater treatment tank group, and from top to bottom through the outer wall of the second round tank of the wastewater treatment tank group, so as to continuously cool the wastewater treatment tank group and keep the temperature between seventeen degrees Celsius and thirty-five degrees Celsius, thereby improving the chemical treatment efficiency of the wastewater.

[0006] In a first aspect of the present disclosure, a wastewater treatment device for the production of butanol is provided, specifically comprising: a wastewater treatment tank group; the wastewater treatment tank group is composed of three round tanks connected in series, a tank connecting port is opened between adjacent round tanks, a valve control pipe is connected to the top of the tank connecting port, a reduction motor is fixedly connected to the top of the valve control pipe, a wastewater delivery pipe is arranged in the tank connecting port, a sealing nut is threadedly connected to the bottom of each round tank of the wastewater treatment tank group, a driving motor is fixedly installed on the top of each round tank of the wastewater treatment tank group, and a pipeline pump is connected to the rear end of the wastewater treatment tank group.

[0007] Furthermore, the outer walls of the three circular tanks of the wastewater treatment tank group are hollow and have spiral partitions inside. The top of the front side wall of the frontmost circular tank of the wastewater treatment tank group is connected to a wastewater inlet that penetrates the hollow interlayer. The top of the rear side wall of the rearmost circular tank of the wastewater treatment tank group is connected to a wastewater treatment outlet that penetrates the hollow interlayer. The wastewater treatment outlet is connected to a pipeline pump.

[0008] Furthermore, the bottom of the front side wall of the frontmost circular tank of the wastewater treatment tank group is connected to a circulating cooling water inlet and a hollow interlayer of the outer side wall of the circular tank, the top between the outer side walls of the first circular tank and the second circular tank on the front side of the wastewater treatment tank group is connected to a circulating cooling water connecting pipe, the bottom between the outer side walls of the last circular tank and the second circular tank in the wastewater treatment tank group is connected to a circulating cooling water connecting pipe, the top of the rear side of the last circular tank in the wastewater treatment tank group is connected to a circulating cooling water outlet, and the circulating cooling water inlet and the circulating cooling water outlet are both connected to an external cooling circulation system.

[0009] Furthermore, a treatment agent addition port is inserted into the top of each round tank of the wastewater treatment tank group and connected to the interior; the inner bottom of each round tank of the wastewater treatment tank group is conical and connected to a slag discharge port; an external thread groove is provided on the outer side of the bottom of the slag discharge port; the inner wall of the sealing nut is threadedly connected to the external thread groove of the slag discharge port; and four operating rods are connected in a circular array on the outer wall of the sealing nut.

[0010] Furthermore, an overflow baffle is provided on the right side of the interior of the second and third round tanks of the wastewater treatment tank group, the top of the overflow baffle is at the same height as the tank connecting port, and a filter plate is fixedly connected to the top of the overflow baffle.

[0011] Furthermore, the wastewater delivery pipe is in a "U" shape, and the front and rear end bottoms of the wastewater delivery pipe are respectively inserted into the adjacent round tanks of the wastewater treatment tank group, the bottom of the wastewater delivery pipe inside the first round tank of the wastewater treatment tank group is connected to a filter cage, and the front end bottom of the wastewater delivery pipe between the second round tank and the third round tank of the wastewater treatment tank group is inserted into the compartment formed on the rear side of the overflow partition inside the wastewater treatment tank group.

[0012] Furthermore, a spreading fan blade is connected to the bottom driving shaft of the driving motor at the top of the first round tank of the wastewater treatment tank group, and a mixing spiral shaft is connected to the bottom driving shaft of the driving motor at the top of the second and third round tanks of the wastewater treatment tank group. A wing groove is opened in the spiral outer wall of the mixing spiral shaft and is connected to the interior of the mixing spiral shaft. A capping plate is provided on the top of the inner cavity of the mixing spiral shaft, and a wireless temperature sensor is inserted in the capping plate.

[0013] Furthermore, a valve control rod is connected to the driving shaft of the reduction motor, the valve control rod is rotatably connected in the valve control pipe, the bottom of the valve control rod is connected to a disc-type connecting valve, and the connecting valve is rotatably connected to the top middle of the wastewater delivery pipe.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. Three round tanks are connected in series through tank connecting ports to form a wastewater treatment tank group, and a wastewater delivery pipe is connected to the tank connecting port to make the wastewater flow. The outer wall of each round tank of the wastewater treatment tank group is hollow, and the outer wall of each round tank of the wastewater treatment tank group is connected through a circulating cooling water connecting pipe, and a spiral partition is arranged inside, so that the coolant flows from bottom to top through the outer wall of the first round tank and the third round tank of the wastewater treatment tank group through the circulating cooling water inlet, and flows from top to bottom through the outer wall of the second round tank of the wastewater treatment tank group, so as to continuously cool the wastewater treatment tank group and keep the temperature between 17 degrees Celsius and 35 degrees Celsius, thereby improving the chemical treatment efficiency of the wastewater.

[0016] 2. An overflow baffle is provided on the right side of the second and third round tanks of the wastewater treatment tank group, and a filter plate is fixedly connected to the top of the overflow baffle, so as to prevent particulate waste in the water phase from entering the next procedure, which is convenient for improving the extraction and separation of water-phase chemical waste and further improving the purification efficiency of wastewater. A U-shaped wastewater delivery pipe is provided on the rear side of the overflow baffle so that the treated water phase in the isolation room can be delivered to the round tank of the next wastewater treatment tank group, and the connecting valve in the wastewater delivery pipe is controlled by the cooperation of the reduction motor and the valve control rod, so as to realize the delivery and waiting of wastewater, so as to control the wastewater treatment process.

[0017] 3. Add sulfuric acid through the treatment agent addition port on the top of the first round tank of the wastewater treatment tank group to adjust the pH value of the wastewater, then add C8 alkane alcohol as an extractant to separate the organic items and water phase in the wastewater, add FeSO4 solid or solution through the treatment agent addition port on the top of the second round tank of the wastewater treatment tank group to further purify the waste in the water phase, add hydrogen peroxide through the treatment agent addition port on the top of the third round tank of the wastewater treatment tank group, keep the water temperature between 17-35 degrees Celsius, react for one to four hours, then add Ca(OH)2 solution through the treatment agent addition port, and finally add PAM flocculation and let it stand for solid-liquid separation. The C8 alkane alcohol is evenly dispersed into the wastewater through the spreading fan blades connected to the bottom driving shaft of the driving motor on the top of the first round tank of the wastewater treatment tank group, so as to better carry out chemical reactions and improve the extraction efficiency of the organic phase and the aqueous phase in the wastewater. However, the mixing spiral shafts connected to the bottom driving shafts of the driving motors on the tops of the second and third round tanks of the wastewater treatment tank group can better mix the chemical agents and the aqueous phase extracted from the first round tank, further improving the treatment efficiency and treatment effect. A sealing nut is threadedly connected to the bottom of each round tank of the wastewater treatment tank group, so that the opening and closing of the sealing nut can be controlled by a joystick, thereby cleaning up the precipitated solid waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0019] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0020] In the attached picture:

[0021] Figure 1 It is a schematic diagram of the axial structure of a wastewater treatment device for butanol production according to an embodiment of the present invention.

[0022] Figure 2 It is a schematic diagram of the cross-sectional structure of the outer side wall of a wastewater treatment tank group of a wastewater treatment device for butanol production according to an embodiment of the present invention.

[0023] Figure 3 It is a schematic diagram of the half-section structure of a wastewater treatment tank group of a wastewater treatment device for butanol production according to an embodiment of the present invention.

[0024] Figure 4 It is a schematic diagram of the disassembled top-down structure of a wastewater treatment tank group and a sealing nut of a wastewater treatment device for butanol production according to an embodiment of the present invention.

[0025] Figure 5 It is a schematic cross-sectional structure diagram of a wastewater treatment tank group of a wastewater treatment device for butanol production according to an embodiment of the present invention.

[0026] Figure 6 It is a schematic diagram of the cross-sectional structure of the circulating cooling water connecting pipe of the wastewater treatment device for butanol production in an embodiment of the present invention.

[0027] Figure 7 It is a schematic diagram of the cutaway structure of a wastewater treatment tank group and a wastewater delivery pipe split structure of a wastewater treatment device for butanol production in an embodiment of the present invention.

[0028] Figure 8 The invention relates to a wastewater treatment device for producing butyl octanol according to an embodiment of the present invention. Figure 7 Schematic diagram of the enlarged structure of area A.

[0029] Fig. 9 It is a schematic diagram of the cross-sectional structure of a mixing spiral shaft of a wastewater treatment device for butanol production according to an embodiment of the present invention.

[0030] Reference numerals list

[0031] 1. Wastewater treatment tank group; 101. Wastewater inlet; 102. Circulating cooling water inlet; 103. Circulating cooling water outlet; 104. Circulating cooling water connecting pipe; 105. Treatment agent addition port; 106. Spiral partition; 107. Tank connecting port; 108. Valve control pipe; 109. Slag discharge port; 1010. External thread groove; 1011. Overflow partition; 1012. Wastewater treatment outlet; 2. Blocking nut; 201. Joystick; 3. Drive motor; 4. Reducer motor; 5. Spreading fan blades; 6. Mixing spiral shaft; 601. Wing groove; 602. Capping plate; 7. Valve control lever; 701. Connecting valve; 8. Wastewater delivery pipe; 801. Filter cage; 9. Filter plate; 10. Pipeline pump; 11. Wireless temperature sensor. DETAILED DESCRIPTION

[0032] In order to make the purpose, scheme and advantages of the technical solution of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described in conjunction with the drawings of the specific embodiments of the present invention. Unless otherwise specified, the terms used herein have the usual meanings in the art. The same reference numerals in the drawings represent the same components.

[0033] Example 1: Please refer to Figures 1 to 8 As shown:

[0034] The invention provides a wastewater treatment device for producing butanol and octanol, comprising a wastewater treatment tank group 1; the wastewater treatment tank group 1 is composed of three round tanks connected in series, a tank communication port 107 is provided between adjacent round tanks, a valve control pipe 108 is connected to the top of the tank communication port 107, a reduction motor 4 is fixedly connected to the top of the valve control pipe 108, a wastewater delivery pipe 8 is provided in the tank communication port 107, a blocking nut 2 is threadedly connected to the bottom of each round tank of the wastewater treatment tank group 1, a driving motor 3 is fixedly installed on the top of each round tank of the wastewater treatment tank group 1, and a pipeline pump 10 is connected to the rear end of the wastewater treatment tank group 1.

[0035] Among them, the outer walls of the three circular tanks of the wastewater treatment tank group 1 are hollow and have a spiral partition 106 in the interior. The top of the front wall of the frontmost circular tank of the wastewater treatment tank group 1 is connected to a wastewater inlet 101 that penetrates the hollow interlayer. The top of the rear wall of the rearmost circular tank of the wastewater treatment tank group 1 is connected to a wastewater treatment outlet 1012 that penetrates the hollow interlayer. The wastewater treatment outlet 1012 is connected to the pipeline pump 10.

[0036] Among them, each round tank of the wastewater treatment tank group 1 is connected to the interior with a treatment agent addition port 105 inserted on the top, the bottom of the front side wall of the frontmost round tank of the wastewater treatment tank group 1 is connected to a circulating cooling water inlet 102 and a hollow interlayer of the outer wall of the round tank, the top between the outer walls of the first round tank and the second round tank on the front side of the wastewater treatment tank group 1 is connected to a circulating cooling water connecting pipe 104, the bottom between the outer walls of the last round tank and the second round tank in the wastewater treatment tank group 1 is connected to a circulating cooling water connecting pipe 104, the top of the rear side of the last round tank of the wastewater treatment tank group 1 is connected to a circulating cooling water outlet 103, and the circulating cooling water inlet 102 and the circulating cooling water outlet 103 are both connected to the external cooling circulation system.

[0037] By adopting the above technical scheme, three round tanks are connected in series through the tank connecting port 107 to form a wastewater treatment tank group 1, and the wastewater delivery pipe 8 is connected to the tank connecting port 107 to make the wastewater flow, and the outer wall of each round tank of the wastewater treatment tank group 1 is hollow, and the outer wall of each round tank of the wastewater treatment tank group 1 is connected through the circulating cooling water connecting pipe 104, and a spiral partition 106 is provided inside, so that the coolant flows from the bottom to the top through the outer wall of the first round tank and the third round tank of the wastewater treatment tank group 1 through the circulating cooling water inlet 102, and the flow direction of the outer wall of the second round tank of the wastewater treatment tank group 1 is from top to bottom, so as to continuously cool the wastewater treatment tank group 1 and keep the temperature between 17 degrees Celsius and 35 degrees Celsius. In order to improve the chemical treatment efficiency of the wastewater, sulfuric acid is added through the treatment agent addition port 105 on the top of the first round tank of the wastewater treatment tank group 1 to adjust the pH value of the wastewater, and then C8 alkane alcohol is added as an extractant to separate the organic items and the aqueous phase in the wastewater, and FeSO4 solid or solution is added through the treatment agent addition port 105 on the top of the second round tank of the wastewater treatment tank group 1 to further purify the waste in the aqueous phase, and hydrogen peroxide is added through the treatment agent addition port 105 on the top of the third round tank of the wastewater treatment tank group 1, and the water temperature is maintained between 17 and 35 degrees Celsius. After reacting for one to four hours, Ca(OH)2 solution is added through the treatment agent addition port 105, and finally PAM is added for flocculation and allowed to stand for solid-liquid separation.

[0038] Embodiment 2: Based on a wastewater treatment device for the production of butanol provided in Embodiment 1, the device allows the coolant to flow from bottom to top through the outer wall of the first and third round tanks of the wastewater treatment tank group 1 through a circulating cooling water inlet 102, and the flow direction in the outer wall of the second round tank of the wastewater treatment tank group 1 is from top to bottom, so as to continuously cool the wastewater treatment tank group 1 and keep the temperature between seventeen degrees Celsius and thirty-five degrees Celsius, thereby improving the chemical treatment efficiency of the wastewater. The wastewater treatment device for the production of butanol also includes: an overflow baffle 1011 is provided on the right side of the interior of the second and third round tanks of the wastewater treatment tank group 1, the top of the overflow baffle 1011 is at the same height as the tank connecting port 107, and a filter plate 9 is fixedly connected to the top of the overflow baffle 1011.

[0039] Among them, the wastewater delivery pipe 8 is in a "U" shape, and the front and rear end bottoms of the wastewater delivery pipe 8 are respectively inserted into the adjacent round tanks of the wastewater treatment tank group 1. The bottom of the wastewater delivery pipe 8 inside the first round tank of the wastewater treatment tank group 1 is connected to the filter cage 801, and the front end bottom of the wastewater delivery pipe 8 between the second round tank and the third round tank of the wastewater treatment tank group 1 is inserted into the compartment formed by the rear side of the overflow partition 1011 inside the wastewater treatment tank group 1.

[0040] Among them, a valve control rod 7 is connected to the driving shaft of the reduction motor 4, and the valve control rod 7 is rotatably connected in the valve control pipe 108. The bottom of the valve control rod 7 is connected to a disc-type connecting valve 701, and the connecting valve 701 is rotatably connected to the top middle of the wastewater delivery pipe 8.

[0041] By adopting the above technical scheme, an overflow baffle 1011 is provided on the right side of the inside of the second and third round tanks of the wastewater treatment tank group 1, and a filter plate 9 is fixedly connected to the top of the overflow baffle 1011, so as to prevent particulate waste in the water phase from entering the next procedure, thereby facilitating the extraction and separation of water-phase chemical waste and further improving the purification efficiency of wastewater. A U-shaped wastewater delivery pipe 8 is provided on the rear side of the overflow baffle 1011 so that the water phase treated in the isolation room can be delivered to the round tank of the next wastewater treatment tank group 1, and the connecting valve 701 in the wastewater delivery pipe 8 is controlled by the cooperation of the reduction motor 4 and the valve control rod 7, so as to realize the delivery and waiting of wastewater, so as to control the wastewater treatment process.

[0042] Embodiment 3: Based on a wastewater treatment device for the production of butanol provided in Embodiment 1, the device allows the coolant to flow from bottom to top through the outer wall of the first and third round tanks of the wastewater treatment tank group 1 through a circulating cooling water inlet 102, and the flow direction in the outer wall of the second round tank of the wastewater treatment tank group 1 is from top to bottom, so as to continuously cool the wastewater treatment tank group 1 and keep the temperature between 17 degrees Celsius and 35 degrees Celsius, thereby improving the chemical treatment efficiency of the wastewater. The wastewater treatment device for the production of butanol also includes: a spreading fan blade 5 is connected to the bottom drive shaft of the drive motor 3 at the top of the first round tank of the wastewater treatment tank group 1, a mixing spiral shaft 6 is connected to the bottom drive shaft of the drive motor 3 at the top of the second and third round tanks of the wastewater treatment tank group 1, a wing groove 601 is opened in the spiral outer wall of the mixing spiral shaft 6 and is connected to the inside of the mixing spiral shaft 6, a capping plate 602 is provided on the top of the inner cavity of the mixing spiral shaft 6, and a wireless temperature sensor 11 is inserted in the capping plate 602.

[0043] Among them, the inner bottom of each round tank of the wastewater treatment tank group 1 is conical and connected to a slag discharge port 109, an external thread groove 1010 is opened on the outer side of the bottom of the slag discharge port 109, the inner wall of the sealing nut 2 is threadedly connected to the external thread groove 1010 of the slag discharge port 109, and four operating rods 201 are connected in a circular array on the outer wall of the sealing nut 2.

[0044] By adopting the above technical scheme, the C8 alkane alcohol is evenly dispersed into the wastewater through the spreading fan blades 5 connected to the bottom driving shaft of the driving motor 3 at the top of the first round tank of the wastewater treatment tank group 1, so as to better carry out the chemical reaction and improve the extraction efficiency of the organic phase and the aqueous phase in the wastewater. However, the mixing spiral shaft 6 connected to the bottom driving shaft of the driving motor 3 at the top of the second and third round tanks of the wastewater treatment tank group 1 can better mix the chemical agent and the aqueous phase extracted from the first round tank, further improving the treatment efficiency and treatment effect, and the wastewater treatment tank group 1 A sealing nut 2 is threadedly connected to the bottom of each round tank so that the opening and closing of the sealing nut 2 can be controlled by a joystick 201 to clean up the precipitated solid waste, and a fin groove 601 is provided between the upper and lower side walls of the outer spiral fins by setting the interior of the mixing spiral shaft 6 to be hollow so that the mixed liquid can enter the mixing spiral shaft 6 while stirring the mixed liquid, and the temperature of the mixed liquid is monitored in real time by a wireless temperature sensor 11 inserted in a capping plate 602 on the top of the inner cavity of the mixing spiral shaft 6 so as to control the cooling process.

[0045] Specific usage and function of this embodiment: In the present invention, firstly, three round tanks are connected in series through the tank connecting port 107 to form a wastewater treatment tank group 1, and the wastewater delivery pipe 8 is connected to the tank connecting port 107 to make the wastewater flow, and the outer side wall of each round tank of the wastewater treatment tank group 1 is hollow, and the outer side wall of each round tank of the wastewater treatment tank group 1 is connected through the circulating cooling water connecting pipe 104, and a spiral partition 106 is provided inside, so that the coolant flows from the bottom to the top through the outer side wall of the first round tank and the third round tank of the wastewater treatment tank group 1 through the circulating cooling water inlet 102, and the flow direction of the outer side wall of the second round tank of the wastewater treatment tank group 1 is from top to bottom, so as to continuously cool down the wastewater treatment tank group 1 and keep the temperature at ten. Seven degrees Celsius to thirty-five degrees Celsius, thereby improving the chemical treatment efficiency of the wastewater, and then adding sulfuric acid through the treatment agent addition port 105 on the top of the first round tank of the wastewater treatment tank group 1 to adjust the P hourly value of the wastewater, and then adding C8 alkane alcohol as an extractant, through the spreading fan blades 5 connected to the bottom driving shaft of the driving motor 3 on the top of the first round tank of the wastewater treatment tank group 1, the C8 alkane alcohol is evenly dispersed into the wastewater, so as to better carry out chemical reactions, and the organic items and water phases in the wastewater can be separated. By providing an overflow baffle 1011 on the right side of the interior of the second and third round tanks of the wastewater treatment tank group 1, and fixing a filter plate 9 on the top of the overflow baffle 1011, it is possible to prevent particulate waste in the water phase from entering the next procedure. In order to improve the extraction and separation of water-phase chemical waste and further improve the purification efficiency of wastewater, a U-shaped wastewater delivery pipe 8 is provided on the rear side of the overflow partition 1011 so that the water phase treated in the isolation room can be delivered to the round tank of the next wastewater treatment tank group 1, and FeSO4 solid or solution is added through the treatment agent addition port 105 on the top of the second round tank of the wastewater treatment tank group 1 to further purify the waste in the water phase, and hydrogen peroxide is added through the treatment agent addition port 105 on the top of the third round tank of the wastewater treatment tank group 1, and the water temperature is kept between 17 and 35 degrees Celsius. After one to four hours of reaction, Ca(OH)2 solution is added through the treatment agent addition port 105, and finally PAM is added for flocculation and solid-liquid separation is performed after standing. However, the wastewater treatment tank group 1 The mixing spiral shaft 6 connected to the bottom driving shaft of the driving motor 3 at the top of the second and third round tanks can better mix the chemical agent and the water phase extracted from the first round tank, further improving the treatment efficiency and treatment effect. The interior of the mixing spiral shaft 6 is set to be hollow, and a wing groove 601 is opened between the upper and lower side walls of the outer spiral fins, so that the mixed liquid can enter the mixing spiral shaft 6 while stirring the mixed liquid, and the wireless temperature sensor 11 inserted in the top sealing plate 602 at the top of the inner cavity of the mixing spiral shaft 6 is used to monitor the temperature of the mixed liquid in real time, so as to control the cooling process. The bottom of each round tank of the wastewater treatment tank group 1 is threadedly connected with a plugging nut 2, so that the opening and closing of the plugging nut 2 can be controlled by the joystick 201.Thereby, the solid waste separated out can be cleaned up.

[0046] The above description is merely an exemplary embodiment of the present invention and is not intended to limit the protection scope of the present invention. The protection scope of the present invention is determined by the appended claims.

Claims

1. A wastewater treatment device for the production of butanol and octanol, characterized in that: The invention comprises a wastewater treatment tank group (1); the wastewater treatment tank group (1) is composed of three round tanks connected in series, a tank connecting port (107) is provided between adjacent round tanks, a valve control pipe (108) is connected to the top of the tank connecting port (107), a reduction motor (4) is fixedly connected to the top of the valve control pipe (108), a wastewater delivery pipe (8) is provided in the tank connecting port (107), a sealing nut (2) is threadedly connected to the bottom of each round tank of the wastewater treatment tank group (1), and a sealing nut (2) is fixedly installed on the top of each round tank of the wastewater treatment tank group (1). A drive motor (3) is provided, and a pipeline pump (10) is connected to the rear side of the wastewater treatment tank group (1); the outer side walls of the three round tanks of the wastewater treatment tank group (1) are all hollow and have spiral partitions (106) arranged in a spiral shape inside; the top of the front side wall of the frontmost round tank of the wastewater treatment tank group (1) is connected to a wastewater inlet (101) penetrating the hollow interlayer; the top of the rear side wall of the rearmost round tank of the wastewater treatment tank group (1) is connected to a wastewater treatment outlet (1012) penetrating the hollow interlayer; the wastewater treatment outlet (1012) and the pipeline pump ( 10) are connected; the bottom of the front side wall of the frontmost round tank of the wastewater treatment tank group (1) is connected to a circulating cooling water inlet (102) and is connected to the hollow interlayer of the outer wall of the round tank; the top between the outer walls of the first round tank and the second round tank on the front side of the wastewater treatment tank group (1) is connected to a circulating cooling water connecting pipe (104); the bottom between the outer walls of the last round tank and the second round tank of the wastewater treatment tank group (1) is connected to a circulating cooling water connecting pipe (104); the top of the rear side of the last round tank of the wastewater treatment tank group (1) is connected to The circulating cooling water outlet (103), the circulating cooling water inlet (102) and the circulating cooling water outlet (103) are all connected to the external cooling circulation system; sulfuric acid is added through the treatment agent addition port on the top of the first round tank of the wastewater treatment tank group to adjust the Ph value of the wastewater, and then C8 alkane alcohol is added as an extractant; FeSO4 solid or solution is added through the treatment agent addition port on the top of the second round tank of the wastewater treatment tank group, and hydrogen peroxide is added through the treatment agent addition port 105 on the top of the third round tank of the wastewater treatment tank group 1.

2. A wastewater treatment device for butanol production as claimed in claim 1, characterized in that: The top of each round tank of the wastewater treatment tank group (1) is plugged with a treatment agent addition port (105) connected to the inside; the inner bottom of each round tank of the wastewater treatment tank group (1) is conical and connected to a slag discharge port (109); an external thread groove (1010) is provided on the outer side of the bottom of the slag discharge port (109); the inner wall of the sealing nut (2) is threadedly connected to the external thread groove (1010) of the slag discharge port (109); and four operating rods (201) are connected to the outer wall of the sealing nut (2) in a ring array.

3. A wastewater treatment device for butanol production as claimed in claim 1, characterized in that: An overflow baffle (1011) is provided on the right side of the interior of the second and third round tanks of the wastewater treatment tank group (1); the top of the overflow baffle (1011) is at the same height as the tank connecting port (107); and a filter plate (9) is fixedly connected to the top of the overflow baffle (1011).

4. A wastewater treatment device for butanol production as claimed in claim 1, characterized in that: The wastewater delivery pipe (8) is in a "U" shape, and the front and rear end bottoms of the wastewater delivery pipe (8) are respectively inserted into the adjacent circular tanks of the wastewater treatment tank group (1). The bottom of the wastewater delivery pipe (8) inside the first circular tank of the wastewater treatment tank group (1) is connected to a filter cage (801), and the front end bottom of the wastewater delivery pipe (8) between the second and third circular tanks of the wastewater treatment tank group (1) is inserted into a compartment formed on the rear side of an overflow partition (1011) inside the wastewater treatment tank group (1).

5. A wastewater treatment device for butanol production as claimed in claim 1, characterized in that: A spreading fan blade (5) is connected to the bottom driving shaft of the driving motor (3) at the top of the first round tank of the wastewater treatment tank group (1); a mixing spiral shaft (6) is connected to the bottom driving shaft of the driving motor (3) at the top of the second and third round tanks of the wastewater treatment tank group (1); a wing groove (601) is provided in the spiral outer wall of the mixing spiral shaft (6) and is connected to the inside of the mixing spiral shaft (6); a capping plate (602) is provided at the top of the inner cavity of the mixing spiral shaft (6); and a wireless temperature sensor (11) is inserted into the capping plate (602).

6. A wastewater treatment device for butanol production as claimed in claim 1, characterized in that: A valve control rod (7) is connected to the driving shaft of the reduction motor (4), and the valve control rod (7) is rotatably connected to the valve control pipe (108). A disc-type connecting valve (701) is connected to the bottom of the valve control rod (7), and the connecting valve (701) is rotatably connected to the middle of the top of the wastewater conveying pipe (8).

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