Oily wastewater treatment equipment for power plant

Abstract

The utility model provides oily wastewater treatment equipment for a power plant, which belongs to the technical field of wastewater treatment equipment and comprises a stirring motor arranged at the top of an oily wastewater treatment tank, a plurality of stirring paddles arranged at the bottom of the stirring motor, and a plurality of heating bins arranged between one end, far away from a stirring roller, of each stirring paddle and the inner wall of the oily wastewater treatment tank, a heat supply pipeline is arranged on one surface, close to the inner wall of the oil wastewater treatment tank, of one heating bin, the heat supply pipeline is communicated with the upper part of the heating bin, and a hot water unit is arranged at one end, far away from the oil wastewater treatment tank, of the heat supply pipeline; according to the utility model, hot water is supplied into the heating bins for heating through the hot water unit, and then all the heating bins are communicated through the connecting pipes, so that the hot water flows into all the heating bins, and the heating bins heat the stirred purification medicine and oil-containing wastewater, thereby accelerating the chemical reaction of the purification medicine and the oil-containing wastewater, and improving the purification effect of the oil-containing wastewater. Therefore, the grease decomposition speed is accelerated.

Description

TECHNICAL FIELD

[0001] The utility model relates to wastewater treatment equipment technical field, concretely relates to a power plant oily wastewater treatment equipment. BACKGROUND

[0002] A large amount of oily wastewater is produced in the operation process of power plants, if the oily wastewater is not recycled and treated, it will cause waste of water resources, and if it is discharged into rivers, lakes or bays, it will pollute the water body and affect the survival of aquatic organisms, and if it is used for agricultural irrigation, the oil substances will block the soil voids and hinder the growth of crops. In the process of treating oily wastewater, the process of uniformly mixing the wastewater or adding reagents to the wastewater and uniformly mixing them is involved.

[0003] However, the existing oily wastewater treatment tank can only accelerate the mixing speed by stirring in the process of treating oily wastewater, and when the load of the treated wastewater is too large, it cannot be treated in time, and the mixing speed of the reagent needs to be accelerated. To solve the above problems, a power plant oily wastewater treatment equipment is proposed to solve the above problems. SUMMARY

[0004] Therefore, the utility model provides a power plant oily wastewater treatment equipment, the utility model discloses a hot water unit is supplied to the hot water to heating bin and heats, and then makes each heating bin intercommunication through the connecting pipe, and then makes the hot water flow into each heating bin, and then makes the heating bin heat the purification reagent and oily wastewater in the stirring, thereby accelerating the chemical reaction of the purification reagent and oily wastewater, thereby accelerating the speed of decomposing oil.

[0005] To solve the above technical problems, the utility model provides a power plant oily wastewater treatment equipment, which comprises a stirring motor arranged at the top of the oily wastewater treatment tank, a stirring roller arranged at the bottom of the stirring motor, a plurality of stirring paddles arranged on the surface of the stirring roller, a plurality of heating bins arranged between the stirring paddles away from the stirring roller and the inner wall of the oily wastewater treatment tank, a plurality of connecting pipes arranged in communication between the heating bins, and a heat supply pipeline arranged on one side of the heating bin close to the inner wall of the oily wastewater treatment tank, wherein the heat supply pipeline is in communication with the upper part of the heating bin, and a hot water unit is arranged at the end of the heat supply pipeline away from the oily wastewater treatment tank.

[0006] A positioning block is arranged at the upper and lower ends of each heating bin, the positioning block is used for fixing the heating bin and the inner wall of the oily wastewater treatment tank to prevent the heating bin from falling off, and the positioning block is welded and fixed to the inner wall of the oily wastewater treatment tank.

[0007] The hot water unit comprises a water supply pump arranged at the water inlet end of the heat supply pipeline, which is used to supply hot water in the hot water tank to the heating bin, and a supporting base arranged at the bottom of the water supply pump, which is used to fix and support the water supply pump.

[0008] A supporting block is arranged at the bottom of the hot water tank, which is used to fix and support the hot water tank and connect the hot water tank and the circulating water tank, and a water circulating device is arranged at the bottom of the supporting block, which is used to recycle and utilize the waste water after cooling to supplement the hot water tank.

[0009] The water circulating device comprises a circulating water tank connected to the bottom of the supporting block, which is used to heat the waste water for secondary utilization, a supporting frame arranged at the bottom of the circulating water tank, which is used to fix the circulating water tank, and a circulating pipeline arranged on the same side of the circulating water tank and the hot water tank, which is used to connect the circulating water tank and the hot water tank, and the lower end of the circulating pipeline is in sealing communication with the circulating water tank, and the upper end of the circulating pipeline is in sealing communication with the bottom of the hot water tank.

[0010] A recovery pipeline is arranged at the water inlet end of the circulating water tank, which is used to flow the hot water in the heating bin into the circulating water tank after cooling, and the recovery pipeline penetrates the pipe wall of the oil waste water treatment tank and is in communication with the bottom of the heating bin.

[0011] An overflow pipeline is arranged at one side of the upper part of the oil waste water treatment tank, which is used to overflow the supernatant of the treated oil-containing waste water to the next process, a dosing pipeline is arranged in communication at the top of the oil waste water treatment tank, which is used to supply the purification chemicals for accelerating the decomposition of oil in the oil waste water treatment tank, and a temperature table is arranged at the middle of the outer wall of the oil waste water treatment tank, which is used to detect the real-time temperature in the oil waste water treatment tank.

[0012] The bottom of the stirring roller is provided with a fixed base for fixing and supporting the lower end of the stirring roller, and the bottom of the fixed base is provided with a support plate for mounting the fixed base, and the support plate is circular and is welded to the inner wall of the oil waste water treatment tank, and a plurality of filter holes are arranged on the surface of the support plate for separating the precipitate and the supernatant, and a sediment tank is arranged below the support plate for storing the oil precipitate.

[0013] Compared with the prior art, the present application has at least one of the following beneficial technical effects:

[0014] 1, start hot water unit to supply hot water to the heating warehouse for heating, and then make each heating warehouse connected through the connecting pipe, and then make the hot water flow into each heating warehouse, and then make the heating warehouse heat all directions in the oil-containing wastewater treatment tank, and then make the heating warehouse heat the purifying medicine and the oil-containing wastewater in the stirring, so as to accelerate the chemical reaction of the purifying medicine and the oil-containing wastewater, and to speed up the speed of the oil decomposition.

[0015] 2, the circulating water tank is used for secondary filtration and heating of the hot water flowing out of the heating warehouse through the recovery pipeline, and the heated hot wastewater is supplied into the hot water tank, thereby reducing the consumption of water resources, thereby saving resources.

[0016] 3, the fixed base is used for fixing and supporting the lower end of the stirring roller to improve the support capacity of the stirring roller, and the filter hole is used for separating the precipitate and the supernatant. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic view of the main structure of the utility model;

[0018] Figure 2 It is a side view of the utility model;

[0019] Figure 3 It is a schematic view of the assembly structure of the utility model;

[0020] Figure 4 It is a top view of the utility model.

[0021] BRIEF DESCRIPTION OF DRAWINGS: 100, oil wastewater treatment tank; 101, stirring motor; 102, stirring roller; 103, stirring paddle; 104, heating warehouse; 105, connecting pipe; 106, positioning block; 200, heat supply pipeline; 201, hot water unit; 202, water supply pump; 203, support base; 204, hot water tank; 205, liquid pumping pipeline; 206, hot water pipeline; 300, support block; 301, water circulating device; 302, circulating water tank; 303, support frame; 304, circulating pipeline; 305, control panel; 306, recovery pipeline; 400, overflow pipeline; 401, dosing pipeline; 402, temperature table; 403, fixed base; 404, support plate; 405, filter hole; 406, sediment tank. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model more clear, the following will combine the drawings of the embodiments of the utility model with the specific embodiments of the utility model. Figures 1-4The technical solutions of the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the described embodiments of the utility model, all other embodiments obtained by those skilled in the art belong to the scope of protection of the utility model.

[0023] As Figures 1-4 The embodiment provides a power plant oily wastewater treatment equipment, which comprises a stirring motor 101 arranged at the top of an oil wastewater treatment tank 100, a motor support is arranged at the top of the stirring motor 101 and used for fixing a stirrer, a stirring roller 102 is arranged at the bottom of the stirring motor 101, the stirring roller 102 is connected with the upper end of the stirring motor 101 through a shaft coupling, the lower end of the stirring roller 102 enters the oil wastewater treatment tank 100, a plurality of stirring paddles 103 are arranged on the surface of the stirring roller 102, the stirring paddles 103 are used for stirring purification medicine and oily wastewater, a plurality of heating bins 104 are arranged between the stirring paddles 103 away from the stirring roller 102 and the inner wall of the oil wastewater treatment tank 100, the heating bins 104 are vertically arranged rectangular, the length of the heating bin 104 is three fourths of the length of the tank body of the oil wastewater treatment tank 100, a plurality of connecting pipes 105 are arranged in communication between the plurality of heating bins 104, the connecting pipes 105 are arc-shaped steel pipes, the heating bin 104 is welded in communication with the connecting pipe 105, one side of the heating bin 104 close to the inner wall of the oil wastewater treatment tank 100 is provided with a heat supply pipeline 200, an electric valve can be additionally arranged on the heat supply pipeline 200 and used for controlling the opening and closing of the heat supply pipeline 200, the water outlet end of the heat supply pipeline 200 is welded in communication with the heating bin 104, the heat supply pipeline 200 is connected with the upper part of the heating bin 104, and the end of the heat supply pipeline 200 away from the oil wastewater treatment tank 100 is provided with a hot water unit 201.

[0024] In use, the water supply pump 202 on the hot water unit 201 is started to extract hot water in the hot water tank 204, the hot water is supplied into the heating bin 104 to heat the heating bin 104, each heating bin 104 is connected in communication through the connecting pipe 105, then the hot water flows into each heating bin 104, the heating bin 104 heats all directions in the oily wastewater treatment tank 100, and then the heating bin 104 heats the purification medicine and the oily wastewater in stirring, so that the chemical reaction of the purification medicine and the oily wastewater is accelerated, and the speed of decomposing oil is accelerated.

[0025] The embodiment provides a power plant oily wastewater treatment equipment,

[0026] As Figure 2 , 3As shown in Figure 4: Each heating chamber 104 is provided with a positioning block 106 at both the upper and lower ends. The positioning block 106 is welded and fixed to the heating chamber 104. The positioning block 106 is used to fix the heating chamber 104 to the inner wall of the oil wastewater treatment tank 100 to prevent the heating chamber 104 from falling off. The positioning block 106 is welded and fixed to the inner wall of the oil wastewater treatment tank 100.

[0027] Its effect is as follows: the positioning block 106 is used to fix the heating chamber 104 to the inner wall of the oil wastewater treatment tank 100 to prevent the heating chamber 104 from falling, thereby supporting the heating chamber 104.

[0028] like Figure 1 , 2 As shown in Figure 3: The hot water unit 201 includes a water supply pump 202 installed at the inlet end of the heating pipe 200. The water supply pump 202 is connected to the inlet end of the heating pipe 200 by a flange seal. The water supply pump 202 is used to supply hot water from the hot water tank 204 to the heating chamber 104. A support base 203 is installed at the bottom of the water supply pump 202. The support base 203 is bolted to the bottom of the water supply pump 202. The support base 203 is used to support the water supply pump 202. The hot water tank 204 is installed at the bottom of the support base 203. A heat insulation pad is installed on the top of the hot water tank 204. The support base 203 is bolted to the heat insulation pad on the top of the hot water tank 204. The hot water tank 204 is used to store hot water. A liquid extraction pipe 205 is installed at the inlet end of the water supply pump 202. The liquid extraction pipe 205 is used for heating... The water tank 204 is connected to the water supply pump 202. The liquid extraction pipe 205 is connected to the top of the hot water tank 204. A hot water pipe 206 is provided on the side of the hot water tank 204 away from the heating pipe 200. The hot water pipe 206 is welded to the hot water tank 204 and is used to replenish hot water to the hot water tank 204. A support block 300 is provided at the bottom of the hot water tank 204. The upper part of the support block 300 is welded to the bottom of the hot water tank 204 or fixed with shims and bolts. The support block 300 is used to fix and support the hot water tank 204. The support block 300 is also used to connect the hot water tank 204 and the circulating water tank 302. A water circulation device 301 is provided at the bottom of the support block 300. The water circulation device 301 is used to recycle the hot water in the heating chamber 104 after it has cooled down and replenish the hot water tank 204.

[0029] Its effect is as follows: the water pump 202 on the hot water unit 201 draws hot water from the hot water tank 204 and supplies the hot water to the heating chamber 104 to heat the heating chamber 104, thereby heating the purification medicine and oily wastewater being stirred, thereby accelerating the chemical reaction between the purification medicine and the oily wastewater, and thus speeding up the decomposition of grease.

[0030] like Figure 1 , 2As shown in Figure 3: The water circulation device 301 includes a circulating water tank 302 connected to the bottom of the support block 300. A heat insulation pad may also be added to the top of the circulating water tank 302. The top of the circulating water tank 302 is welded and fixed to the support block 300. The circulating water tank 302 is used for the secondary heating of wastewater after cooling. A support frame 303 is provided at the bottom of the circulating water tank 302. The top of the support frame 303 is welded and fixed to the bottom plate of the circulating water tank 302. The support frame 303 is used to fix the circulating water tank 302. A circulation pipe 304 is provided on the same side as the hot water tank 204. The circulation pipe 304 is used for... The connection between the hot water tank 204 and the outlet end of the circulating water tank 302 is as follows: the lower end of the circulating pipe 304 is sealed and connected to the circulating water tank 302, and the upper end of the circulating pipe 304 is sealed and connected to the bottom of the hot water tank 204 using a flange. A control panel 305 is provided on one side of the circulating water tank 302. The control panel 305 is used to control the electrical equipment inside the circulating water tank 302, thereby controlling the opening and closing of the circulating water tank 302. The control panel 305 is used to operate the opening and closing of the circulating water tank 302. The circulating water tank 302 mainly consists of a tank body, an inlet pipe, an outlet pipe, a filter device, a heating device, a level gauge, and sealing components.

[0031] Its effect is as follows: the circulating water tank 302 is used to perform secondary filtration and heating on the hot water flowing out of the heating chamber 104 from the recovery pipe 306, and then the heated wastewater is supplied into the hot water tank 204, thereby reducing water consumption and saving resources.

[0032] like Figure 1 , 2 As shown in Figures 3 and 4: A recovery pipe 306 is provided at the inlet end of the circulating water tank 302. The recovery pipe 306 is welded to the inlet end of the circulating water tank 302 or connected by a flange. An electric valve can be added to the middle section of the recovery pipe 306 to control the opening and closing of the recovery pipe 306. The recovery pipe 306 is used for the hot water to flow into the circulating water tank 302 after the heating chamber 104 is cooled. The recovery pipe 306 passes through the pipe wall of the oil wastewater treatment tank 100 and is connected to the bottom of the heating chamber 104.

[0033] Its effect is as follows: the waste hot water in the heating chamber 104 is recovered through the pipe 306 and diverted to the circulating water tank 302.

[0034] like Figure 1 , 2As shown in 1, 2, 3, 4: the upper side of the oil wastewater treatment tank 100 is provided with an overflow pipeline 400, the overflow pipeline 400 is welded in communication with the oil wastewater treatment tank 100, the water outlet end of the overflow pipeline 400 is provided with a flange for butt joint with other pipelines, the overflow pipeline 400 is used for overflow of supernatant of the treated oil-containing wastewater to the next process, the top of the oil wastewater treatment tank 100 is provided with a dosing pipeline 401, the dosing pipeline 401 is welded in communication with the top of the oil wastewater treatment tank 100, the top of the pressurizing pipeline is provided with a flange for communication with other pipelines, the dosing pipeline 401 is used for supplying the purification medicine for accelerating decomposition of oil in the oil wastewater treatment tank 100, the purification medicine can use: oil removal agent or demulsifier and the like, the middle of the outer wall of the oil wastewater treatment tank 100 is provided with a thermometer 402, the thermometer 402 can adopt, the thermometer 402 is used for detecting the real-time temperature in the oil wastewater treatment tank 100, and the thermometer 402 can adopt a bimetallic thermometer.

[0035] Effects: the dosing pipeline 401 is used for adding the purification medicine to the oil-containing wastewater in the tank, the overflow pipeline 400 is used for overflow of the supernatant of the purified wastewater to the next process, and the thermometer 402 is used for detecting the real-time temperature in the oil wastewater treatment tank 100, thereby preventing the temperature in the tank from being too high.

[0036] As shown in 1, 2, 3, 4: Figure 2 , 3 , 4: the bottom of the stirring roller 102 is provided with a fixed base 403, the fixed base 403 is mechanically sealed and connected with the bottom of the stirring roller 102, the fixed base 403 is used for fixing and supporting the lower end of the stirring roller 102, the bottom of the fixed base 403 is provided with a support plate 404, the support plate 404 is used for mounting the fixed base 403, the bottom of the fixed base 403 is welded and fixed with the top of the support plate 404, the support plate 404 is circular, the edge of the support plate 404 is welded and fixed with the inner wall of the oil wastewater treatment tank 100, a plurality of filter holes 405 are arranged on the surface of the support plate 404, the filter holes 405 penetrate the surface of the support plate 404, the filter holes 405 are used for separation of the precipitate and the supernatant, a sedimentation tank 406 is arranged below the support plate 404, the sedimentation tank 406 is welded and fixed with the oil wastewater treatment tank 100, the sedimentation tank 406 is used for storing the oil precipitate, a blowdown pipeline is arranged in communication with the bottom of the sedimentation tank 406, and an oil separation pump can be additionally arranged on the blowdown pipeline for blowdown of the oil precipitate.

[0037] Effects: the fixed base 403 is used for fixing and supporting the lower end of the stirring roller 102 to improve the supporting capacity of the stirring roller 102, and the filter holes 405 are used for separation of the precipitate and the supernatant.

[0038] Working principle: start the water pump 202 on hot water unit 201 to extract hot water in hot water tank 204, supply hot water to heating bin 104 to heat heating bin 104, then make each heating bin 104 communicate through connecting pipe 105, then make hot water flow into each heating bin 104, then make heating bin 104 heat all directions in oil-containing wastewater treatment tank 100, then make heating bin 104 heat the stirring purification medicine and oil-containing wastewater, thereby accelerating the chemical reaction of the purification medicine and the oil-containing wastewater, thereby accelerating the speed of oil decomposition, and circulating water tank 302 is used for secondary filtration and heating of the hot water flowing out of heating bin 104 from the recycling pipeline 306, and the heated hot wastewater is supplied into hot water tank 204, thereby reducing the consumption of water resources, thereby saving resources.

[0039] In addition, it also needs to be explained that, in the description of the present application, unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0040] The above is the preferred embodiment of the present application, it should be pointed out that, for those skilled in the art, without departing from the principle of the present application, a number of improvements and refinements can be made, these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A power plant oily wastewater treatment equipment, comprising a stirring motor (101) arranged at the top of an oily wastewater treatment tank (100), a stirring roller (102) arranged at the bottom of the stirring motor (101), and a plurality of stirring paddles (103) arranged on the surface of the stirring roller (102), characterized in that: The stirring paddle (103) is provided with a plurality of heating bins (104) between the one end away from the stirring roller (102) and the inner wall of the oil wastewater treatment tank (100), a plurality of connecting pipes (105) are communicated between the plurality of heating bins (104), one side of the heating bin (104) close to the inner wall of the oil wastewater treatment tank (100) is provided with a heat supply pipeline (200), the heat supply pipeline (200) is communicated with the upper part of the heating bin (104), and the end of the heat supply pipeline (200) away from the oil wastewater treatment tank (100) is provided with a hot water unit (201).

2. A power plant oily wastewater treatment apparatus as claimed in claim 1, characterized in that: The upper and lower ends of each heating bin (104) are provided with a positioning block (106), and the positioning block (106) is welded and fixed with the inner wall of the oil wastewater treatment tank (100).

3. A power plant oily wastewater treatment apparatus as claimed in claim 2, characterised in that: The hot water unit (201) comprises a water supply pump (202) arranged at the water inlet end of the heat supply pipeline (200), a supporting base (203) arranged at the bottom of the water supply pump (202), a hot water tank (204) arranged at the bottom of the supporting base (203), a liquid pumping pipeline (205) arranged at the water inlet end of the water supply pump (202), and a hot water pipeline (206) arranged at one side of the hot water tank (204) away from the heat supply pipeline (200).

4. A power plant oily wastewater treatment apparatus as claimed in claim 3, characterised in that: The bottom of the hot water tank (204) is provided with a supporting block (300), and the bottom of the supporting block (300) is provided with a water circulating device (301).

5. A power plant oily wastewater treatment apparatus as claimed in claim 4, characterised in that: The water circulating device (301) comprises a circulating water tank (302) connected with the bottom of the supporting block (300), a supporting frame (303) arranged at the bottom of the circulating water tank (302), a circulating pipeline (304) arranged at the same side of the circulating water tank (302) and the hot water tank (204), and a control panel (305) arranged on one side of the circulating water tank (302).

6. A power plant oily wastewater treatment apparatus as claimed in claim 5, characterised in that: The water inlet end of the circulating water tank (302) is provided with a recovery pipeline (306), and the recovery pipeline (306) penetrates the pipe wall of the oil wastewater treatment tank (100) and is communicated with the bottom of the heating bin (104).

7. A power plant oily wastewater treatment apparatus as claimed in claim 6, characterised in that: An overflow pipeline (400) is communicated and arranged at one side of the upper part of the oil wastewater treatment tank (100), a dosing pipeline (401) is communicated and arranged at the top of the oil wastewater treatment tank (100), and a temperature table (402) is arranged at the middle of the outer wall of the oil wastewater treatment tank (100).

8. A power plant oily wastewater treatment apparatus as claimed in claim 7, characterised in that: The bottom of the stirring roller (102) is provided with a fixed base (403), the bottom of the fixed base (403) is provided with a support plate (404), the support plate (404) is circular, the support plate (404) is welded and fixed with the inner wall of the oil wastewater treatment tank (100), and a plurality of filter holes (405) are arranged on the surface of the support plate (404), and a sedimentation tank (406) is arranged below the support plate (404).

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