Efficient sedimentation tank for coal gasification wastewater

Abstract

The utility model relates to the technical field of wastewater treatment, and discloses a coal gasification wastewater high-efficiency sedimentation tank, which comprises a wastewater pipe and a sedimentation device, the sedimentation device comprises a sedimentation unit, a driving unit, a stirring unit and a waste discharge unit, the sedimentation unit is the main body of the sedimentation device, the driving unit is arranged on the left side of the top in the sedimentation unit, and the stirring unit is arranged in the waste discharge unit. The stirring unit is arranged on the left side of the bottom in the precipitation unit, the waste discharge unit is arranged on the right side of the top in the precipitation unit, the precipitation unit comprises a precipitation tank, a partition plate and a slope, the precipitation tank is a precipitation unit main body, the partition plate is fixedly connected to the left side of the inner wall of the precipitation tank, and the slope is fixedly connected to the right side of the bottom in the precipitation tank; a precipitation tank is arranged at the bottom of the right side in the precipitation tank. According to the efficient sedimentation tank for the coal gasification wastewater, the waste discharge unit is arranged at the top in the sedimentation tank, so that dregs floating at the top can be isolated at the top of the V-shaped filter plate and can be discharged through the screw rod, and centralized treatment is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of wastewater treatment, in particular to an efficient sedimentation tank for coal gasification wastewater. Background Technique

[0002] Wastewater treatment is to use physical, chemical and biological methods to treat wastewater, purify the wastewater, reduce pollution, so as to achieve wastewater recycling and reuse, and make full use of water resources.

[0003] An efficient sedimentation tank for coal gasification wastewater with the publication number of CN215388136U includes a support frame; a sedimentation tank is fixedly arranged on the top surface of the support frame; a pressurized filtration and overflow mechanism is arranged in the sedimentation tank, dividing the sedimentation tank into a middle pressurized filtration area and overflow areas on both sides; pool bodies are symmetrically arranged on the top surface of the support frame on both sides of the sedimentation tank; a pressure sensor is arranged on the inner side wall of the sedimentation tank in the pressurized filtration area, and a controller is arranged on the outer wall of the sedimentation tank. The sedimentation tank of the utility model has good wastewater treatment effect and high treatment efficiency.

[0004] Since the above-mentioned efficient sedimentation tank for coal gasification wastewater does not have a structure for cleaning floating scum at the top of the sedimentation tank, it is easy to bring the scum into the overflow area during overflow, resulting in incomplete impurity removal. Improvements can be made to solve this problem. Content of the Utility Model

[0005] The purpose of the utility model is to provide an efficient sedimentation tank for coal gasification wastewater to solve the problems put forward in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: An efficient sedimentation tank for coal gasification wastewater, including a wastewater pipe and a sedimentation device, the sedimentation device includes a sedimentation unit, a driving unit, a stirring unit and a waste discharging unit, the sedimentation unit is the main body of the sedimentation device, the driving unit is arranged on the left side of the inner top of the sedimentation unit, the stirring unit is arranged on the left side of the inner bottom of the sedimentation unit, and the waste discharging unit is arranged on the right side of the inner top of the sedimentation unit.

[0007] Preferably, the sedimentation unit includes a sedimentation tank, a partition board and a slope, the sedimentation tank is the main body of the sedimentation unit, the partition board is fixedly connected to the left side of the inner wall of the sedimentation tank, the slope is fixedly connected to the right side of the inner bottom of the sedimentation tank, and a sedimentation tank is arranged at the bottom right side inside the sedimentation tank for collecting sediment.

[0008] Preferably, the driving unit includes a fixed shaft, a water wheel, a first bevel gear, a second bevel gear, a first connecting shaft, a third bevel gear, a fourth bevel gear, a second connecting shaft and a fifth bevel gear. The fixed shaft is rotatably connected to the left side of the inner wall of the top of the sedimentation tank. The water wheel is fixedly connected to the middle of the fixed shaft. The first bevel gear is fixedly connected to the front of the fixed shaft. The second bevel gear meshes with the bottom of the first bevel gear. The first connecting shaft is fixedly connected to the bottom of the first bevel gear. The third bevel gear is fixedly connected to the bottom of the first connecting shaft. The fourth bevel gear meshes with the back of the third bevel gear. The second connecting shaft is fixedly connected to the back of the fourth bevel gear. The fifth bevel gear is fixedly connected to the back of the second connecting shaft.

[0009] Preferably, the stirring unit includes a sixth bevel gear, a third connecting shaft and a stirring rod. The sixth bevel gear meshes with the top of the fifth bevel gear. The third connecting shaft is fixedly connected to the top of the sixth bevel gear. The bottom of the stirring rod is fixedly connected to the top of the third connecting shaft and is rotatably connected to the left side of the inner bottom of the sedimentation tank.

[0010] Preferably, the waste discharging unit includes a V-shaped filter plate, a waste discharging pipe, a connecting pipe, a motor and a screw rod. The V-shaped filter plate is fixedly connected to the right side of the inner wall of the top of the sedimentation tank. The waste discharging pipe is fixedly connected to the top right side of the sedimentation tank. The connecting pipe is fixedly connected to the bottom of the waste discharging pipe. The motor is fixedly connected to the right side of the waste discharging pipe. The screw rod is fixedly connected to the left side of the output shaft of the motor and is rotatably connected to the top of the V-shaped filter plate to discharge floating substances.

[0011] Preferably, flanged pipes are respectively fixedly connected to the left and right sides of the bottom of the front of the sedimentation tank for discharging waste.

[0012] Preferably, both the first connecting shaft and the second connecting shaft are fixedly connected to the outer wall of the sedimentation tank through bearing seats so that the first connecting shaft and the second connecting shaft are stable and rotatable.

[0013] Compared with the prior art, the present utility model provides a high-efficiency sedimentation tank for coal gasification wastewater, having the following beneficial effects:

[0014] In this high-efficiency sedimentation tank for coal gasification wastewater, by arranging a waste discharging unit at the top of the inner part of the sedimentation tank, the slag floating on the top can be isolated on the top of the V-shaped filter plate and can be discharged through the screw rod, which is convenient for centralized treatment.

[0015] In this high-efficiency sedimentation tank for coal gasification wastewater, by driving the stirring rod to rotate through the water wheel of the driving unit, the potential energy of the wastewater introduced by the wastewater pipe can be converted into kinetic energy, saving electricity. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a front structural schematic diagram of the present utility model;

[0017] Figure 2 is Figure 1 an enlarged structural schematic diagram at A in

[0018] Figure 3 For Figure 1 The enlarged structural schematic diagram at position B in

[0019] Figure 4 This is the front sectional structural schematic diagram of the present utility model;

[0020] Figure 5 For Figure 4 The enlarged structural schematic diagram at position C in

[0021] In the figure: 1. Wastewater pipe; 2. Precipitation device; 201. Precipitation tank; 202. Partition board; 203. Slope; 204. Fixed shaft; 205. Water wheel; 206. First bevel gear; 207. Second bevel gear; 208. First coupling; 209. Third bevel gear; 210. Fourth bevel gear; 211. Second coupling; 212. Fifth bevel gear; 213. Sixth bevel gear; 214. Third coupling; 215. Stirring rod; 216. V-shaped filter plate; 217. Waste discharge pipe; 218. Connecting pipe; 219. Motor; 220. Screw rod. Specific embodiments

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0023] In the present utility model, unless otherwise clearly defined and limited, terms such as "installation", "connection", "connection", "fixation", etc. shall be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0024] Please refer to Figures 1-5, the present utility model provides a technical solution: a high-efficiency sedimentation tank for coal gasification wastewater, including a wastewater pipe 1 and a sedimentation device 2. The sedimentation device 2 includes a sedimentation unit, a driving unit, a stirring unit, and a waste discharging unit. The sedimentation unit is the main body of the sedimentation device 2, and the sedimentation unit includes a sedimentation tank 201, a partition plate 202, and a slope 203. The sedimentation tank 201 is the main body of the sedimentation unit. Flange pipes are respectively fixedly connected to the left and right sides of the bottom of the front of the sedimentation tank 201 for discharging waste. The partition plate 202 is fixedly connected to the left inner wall of the sedimentation tank 201, and the slope 203 is fixedly connected to the right bottom of the inner bottom of the sedimentation tank 201. And a sedimentation tank is arranged at the right bottom of the inside of the sedimentation tank 201 for collecting sediment.

[0025] The driving unit is arranged on the left side of the top inside the sedimentation unit. The driving unit includes a fixed shaft 204, a water wheel 205, a first bevel gear 206, a second bevel gear 207, a first connecting shaft 208, a third bevel gear 209, a fourth bevel gear 210, a second connecting shaft 211, and a fifth bevel gear 212. The fixed shaft 204 is rotatably connected to the left side of the top inner wall of the sedimentation tank 201. The water wheel 205 is fixedly connected to the middle of the fixed shaft 204. The first bevel gear 206 is fixedly connected to the front of the fixed shaft 204. The second bevel gear 207 meshes with the bottom of the first bevel gear 206. The first connecting shaft 208 is fixedly connected to the bottom of the first bevel gear 206. The third bevel gear 209 is fixedly connected to the bottom of the first connecting shaft 208. The fourth bevel gear 210 meshes with the back of the third bevel gear 209. The second connecting shaft 211 is fixedly connected to the back of the fourth bevel gear 210. Both the first connecting shaft 208 and the second connecting shaft 211 are fixedly connected to the outer wall of the sedimentation tank 201 through bearing seats so that the first connecting shaft 208 and the second connecting shaft 211 are stable and can rotate. The fifth bevel gear 212 is fixedly connected to the back of the second connecting shaft 211.

[0026] The stirring unit is arranged on the left side of the bottom inside the sedimentation unit. The stirring unit includes a sixth bevel gear 213, a third connecting shaft 214, and a stirring rod 215. The sixth bevel gear 213 meshes with the top of the fifth bevel gear 212. The third connecting shaft 214 is fixedly connected to the top of the sixth bevel gear 213. The bottom of the stirring rod 215 is fixedly connected to the top of the third connecting shaft 214 and is rotatably connected to the left side of the inner bottom of the sedimentation tank 201.

[0027] The waste discharging unit is arranged on the right side of the top inside the sedimentation unit. The waste discharging unit includes a V-shaped filter plate 216, a waste discharging pipe 217, a connecting pipe 218, a motor 219, and a screw rod 220. The V-shaped filter plate 216 is fixedly connected to the top of the right inner wall of the sedimentation tank 201. The waste discharging pipe 217 is fixedly connected to the top of the right side of the sedimentation tank 201. The connecting pipe 218 is fixedly connected to the bottom of the waste discharging pipe 217. The motor 219 is fixedly connected to the right side of the waste discharging pipe 217. The screw rod 220 is fixedly connected to the left side of the output shaft of the motor 219 and is rotatably connected to the top of the V-shaped filter plate 216 for discharging floating objects.

[0028] By arranging a waste discharging unit at the top inside the precipitation tank 201, the scum floating on the top can be isolated on the top of the V-shaped filter plate 216 and discharged through the screw rod 220, which is convenient for centralized treatment.

[0029] During the actual operation process, when this device is in use, the waste water pipe 1 discharges the coal gasification waste water into the precipitation tank 201 and impacts the water wheel 205 to make it rotate, thereby driving the first bevel gear 206 to rotate through the fixed shaft 204, then driving the second bevel gear 207 to rotate, then driving the third bevel gear 209 to rotate through the coupling shaft 208, then driving the fourth bevel gear 210 to rotate, then driving the fifth bevel gear 212 to rotate through the coupling shaft 211, then driving the sixth bevel gear 213 to rotate, and then driving the stirring rod 215 to rotate through the coupling shaft 214. A flocculant is added to the left side inside the precipitation tank 201, and the flocculation is accelerated under agitation. When the water level exceeds the partition plate 202, it overflows to the right side inside the precipitation tank 201 and is filtered by the V-shaped filter plate 216. The waste water accumulated on the right side inside the precipitation tank 201 is allowed to stand and precipitate. The precipitate falls on the slope 203 and accumulates to the right in the precipitation tank, and finally can be discharged through the connecting flange. The motor 219 drives the screw rod 220 to rotate, thereby discharging the flocculant on the top of the V-shaped filter plate 216 through the waste discharge pipe 217.

[0030] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising a..." does not exclude the existence of additional identical elements in the process, method, article or device comprising the element.

Claims

1. A coal gasification wastewater high-efficiency sedimentation tank, comprising a wastewater pipe (1) and a sedimentation device (2), characterized in that: The sedimentation device (2) comprises a sedimentation unit, a driving unit, a stirring unit and a waste discharge unit, wherein the sedimentation unit is the main body of the sedimentation device (2), the driving unit is arranged on the left side of the top of the sedimentation unit, the stirring unit is arranged on the left side of the bottom of the sedimentation unit, and the waste discharge unit is arranged on the right side of the top of the sedimentation unit; The waste discharge unit comprises a V-shaped filter plate (216), a waste discharge pipe (217), a connecting pipe (218), a motor (219) and a spiral rod (220); the V-shaped filter plate (216) is fixedly connected to the top right side of the inner wall of the sedimentation tank (201); the waste discharge pipe (217) is fixedly connected to the top right side of the sedimentation tank (201); the connecting pipe (218) is fixedly connected to the bottom of the waste discharge pipe (217); the motor (219) is fixedly connected to the right side of the waste discharge pipe (217); and the spiral rod (220) is fixedly connected to the left side of the output shaft of the motor (219) and is rotatably connected to the top of the V-shaped filter plate (216).

2. A coal gasification wastewater high-efficiency sedimentation tank according to claim 1, characterized in that: The sedimentation unit comprises a sedimentation box (201), a partition (202) and a slope (203); the sedimentation box (201) is the main body of the sedimentation unit; the partition (202) is fixedly connected to the left side of the inner wall of the sedimentation box (201); the slope (203) is fixedly connected to the right side of the bottom of the sedimentation box (201); and a sedimentation tank is provided at the right bottom of the sedimentation box (201).

3. A coal gasification wastewater high-efficiency sedimentation tank according to claim 2, characterized in that: The driving unit comprises a fixed shaft (204), a water wheel (205), a bevel gear 1 (206), a bevel gear 2 (207), a connecting shaft 1 (208), a bevel gear 3 (209), a bevel gear 4 (210), a connecting shaft 2 (211) and a bevel gear 5 (212); the fixed shaft (204) is rotatably connected to the top left side of the inner wall of the sedimentation tank (201); the water wheel (205) is fixedly connected to the middle of the fixed shaft (204); the bevel gear 1 (206) is fixedly connected to the fixed shaft (204). The front side of the shaft (204) is provided with a bevel gear 2 (207) meshed with the bottom side of the bevel gear 1 (206), the coupling shaft 1 (208) is fixedly connected to the bottom side of the bevel gear 1 (206), the bevel gear 3 (209) is fixedly connected to the bottom side of the coupling shaft 1 (208), the bevel gear 4 (210) is meshed with the back side of the bevel gear 3 (209), the coupling shaft 2 (211) is fixedly connected to the back side of the bevel gear 4 (210), and the bevel gear 5 (212) is fixedly connected to the back side of the coupling shaft 2 (211).

4. A coal gasification wastewater high-efficiency sedimentation tank according to claim 3, characterized in that: The stirring unit comprises a bevel gear six (213), a coupling shaft three (214) and a stirring rod (215); the bevel gear six (213) is meshed with the top of the bevel gear five (212); the coupling shaft three (214) is fixedly connected to the top of the bevel gear six (213); the bottom of the stirring rod (215) is fixedly connected to the top of the coupling shaft three (214) and is rotatably connected to the left side of the bottom of the sedimentation box (201).

5. A coal gasification wastewater high-efficiency sedimentation tank according to claim 4, characterized in that: The left and right sides of the front bottom of the sedimentation box (201) are respectively fixedly connected with flange pipes.

6. A coal gasification wastewater high-efficiency sedimentation tank according to claim 5, characterized in that: The first connecting shaft (208) and the second connecting shaft (211) are both fixedly connected to the outer wall of the sedimentation box (201) through a bearing seat.

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