Desulfurization wastewater treatment device

Abstract

The utility model relates to the technical field of desulfurization wastewater treatment, and provides a desulfurization wastewater treatment device, which comprises a neutralization reaction tank, a sedimentation tank and a detection tank, a pH value detector is arranged on one side in the detection tank, a clarification tank is arranged on one side of the detection tank, the sedimentation tank is fixed on one side of the clarification tank, a wall scraping mechanism is arranged in the sedimentation tank, and the wall scraping mechanism is fixed on one side of the clarification tank. The neutralization reaction tank is fixed on one side of the sedimentation tank, stirring mechanisms are mounted in the neutralization reaction tank and the clarification tank, and connecting pipes are mounted on one side in the neutralization reaction tank, one side in the sedimentation tank and one side in the clarification tank. The water pump is arranged at the top end of the detection pool, clear water in the detection pool can be conveyed into the water collecting cavity by starting the water pump and the water conveying pipe and then sprayed out through the spray head, the purpose of washing the inner walls of the neutralization reaction pool, the sedimentation pool and the clarification pool is achieved, impurities in the clear water can be filtered out through the filter screen, and the situation that the spray head is blocked by the impurities is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of desulfurization wastewater treatment, in particular to a desulfurization wastewater treatment device. Background Art

[0002] With the continuous development of the thermal power desulfurization market, the desulfurization wastewater treatment technology has also been greatly improved. Desulfurization wastewater is mainly the wastewater that must be discharged from the system during the wet desulfurization process of boiler flue gas in order to maintain the material balance of the desulfurization device slurry circulation system, prevent the soluble part of the flue gas, namely the chlorine concentration, from exceeding the specified value and ensure the quality of gypsum. The wastewater contains many impurities and needs to be treated.

[0003] The existing desulfurization wastewater treatment device has a relatively simple structure and has the following shortcomings when used:

[0004] 1. After the desulfurization wastewater treatment device is used, it is not convenient to flush the device, and impurities will remain in the device, making it more difficult to clean and affecting the use effect of the device;

[0005] 2. When the desulfurization wastewater treatment device discharges sludge and other flocs, the sludge and other flocs are likely to remain on the inner wall of the sedimentation tank. Therefore, it is necessary to develop a desulfurization wastewater treatment device to solve the above problem. Utility Model Content

[0006] 1. Technical issues to be resolved

[0007] The utility model aims to provide a desulfurization wastewater treatment device to solve the defect that the existing device is inconvenient to flush the inner wall. (II) Utility Model Content

[0009] In order to solve the above technical problems, the utility model provides the following technical solutions: a desulfurization wastewater treatment device, comprising a neutralization reaction tank, a sedimentation tank and a detection tank, a pH value detector is installed on one side of the detection tank, a clarification tank is installed on one side of the detection tank, the sedimentation tank is fixed on one side of the clarification tank, a wall scraping mechanism is arranged inside the sedimentation tank, the neutralization reaction tank is fixed on one side of the sedimentation tank, a stirring mechanism is installed inside the neutralization reaction tank and the clarification tank, and a connecting pipe is installed on one side of the neutralization reaction tank, the sedimentation tank and the clarification tank. The top of the neutralization reaction tank, sedimentation tank and clarification tank are all provided with a flushing mechanism, and the flushing mechanism includes a water pump, a water supply pipe, a nozzle, a water collection chamber, a filter screen, a connecting block and a fixed screw. The water collection chambers are all installed at the top of the neutralization reaction tank, the sedimentation tank and the clarification tank. The bottom of the water collection chamber is evenly installed with nozzles. The water pump is installed at the top of the detection tank. Water supply pipes are installed on both sides of the water pump, and a connecting block is installed at one end of the water supply pipe. The fixed screw is fixed at the bottom end of the connecting block, and a filter screen is arranged on the outside of the fixed screw.

[0010] Preferably, one end of the water supply pipe is arranged inside the detection tank, and the other end of the water supply pipe is connected to the top of the water collecting chamber.

[0011] Preferably, a threaded hole is provided inside the filter screen, and the filter screen is meshed with a fixing screw through the thread. The filter screen and the fixing screw are arranged to facilitate the disassembly and assembly of the filter screen.

[0012] Preferably, the stirring mechanism includes a temperature sensor, a stirring blade, a heat-conducting shell, a heating wire and a fixed motor, the fixed motor is installed at the top of the neutralization reaction tank and the clarification tank, the bottom of the fixed motor is installed with a stirring blade, the heat-conducting shell is evenly fixed on the stirring blade, the inside of the heat-conducting shell is installed with a heating wire, and the temperature sensor is installed on both sides of the neutralization reaction tank and the clarification tank. The stirring mechanism can improve the reaction efficiency of wastewater and reagents.

[0013] Preferably, the heating wires are all in the same horizontal plane, and the heating wires are arranged at equal intervals on the stirring blade. The heating effect can be improved by arranging the heating wires at equal intervals.

[0014] Preferably, the wall scraping mechanism includes a scraper, a rotating shaft, a bracket, a mud level meter sensor and a driving motor, wherein the driving motor is installed at the top of the sedimentation tank, the bottom of the driving motor is equipped with a rotating shaft, the scraper is fixed on the rotating shaft, the bracket is installed inside the sedimentation tank, and the mud level meter sensor is fixed on both sides of the bracket. The wall scraping mechanism is provided to facilitate cleaning the inner wall of the sedimentation tank.

[0015] Preferably, the mud level meter sensors are symmetrically arranged, and the mud level meter sensors are vertically and centrally symmetrically distributed through the brackets. The detection effect can be improved by symmetrically arranged mud level meter sensors.

[0016] (III) Beneficial effects

[0017] The desulfurization wastewater treatment device provided by the utility model has the following advantages:

[0018] (1) By starting the water pump installed at the top of the detection pool, the water supply pipe can deliver the clean water in the detection pool to the water collection chamber, and then spray it out from the nozzle to achieve the purpose of flushing the inner wall of the neutralization reaction tank, sedimentation tank and clarification tank. The filter can filter out impurities in the clean water to avoid the situation where the impurities cause the nozzle to be blocked;

[0019] (2) The mud level sensor is arranged on both sides of the sedimentation tank. The mud level sensor can detect the amount of sludge and other floccules in the sedimentation tank. When a certain amount is reached, the sludge and other floccules are discharged, the driving motor is started, and the shaft and the scraper rotate, so as to achieve the purpose of cleaning the inner wall of the sedimentation tank;

[0020] (3) By setting a fixed motor at the top of the neutralization reaction tank and the clarification tank, starting the fixed motor and the heating wire, and rotating the stirring blade, the purpose of heating and stirring the objects in the neutralization reaction tank and the clarification tank can be achieved, thereby improving the reaction efficiency of the objects, and the temperature sensor can detect the heating temperature. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0023] Figure 2 This is a front view structural diagram of the wall scraping mechanism of the utility model;

[0024] Figure 3 This is a schematic diagram of the front view structure of the stirring mechanism of the utility model;

[0025] Figure 4 It is a partial structural schematic diagram of the flushing mechanism of the utility model;

[0026] Figure 5 It is a schematic diagram of the three-dimensional structure of the filter screen of the utility model.

[0027] Explanation of the reference numerals in the figure: 1. Flushing mechanism; 101. Water pump; 102. Water supply pipe; 103. Nozzle; 104. Water collecting chamber; 105. Filter screen; 106. Connecting block; 107. Fixed screw; 2. Stirring mechanism; 201. Temperature sensor; 202. Stirring blade; 203. Heat-conducting shell; 204. Heating wire; 205. Fixed motor; 3. Neutralization reaction tank; 4. Sedimentation tank; 5. Clarification tank; 6. Detection tank; 7. pH value detector; 8. Scraping mechanism; 801. Scraper; 802. Rotating shaft; 803. Bracket; 804. Mud level meter sensor; 805. Driving motor; 9. Connecting pipe. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] Embodiment 1

[0031] See also Figure 1-5The utility model provides a desulfurization wastewater treatment device, including a neutralization reaction tank 3, a sedimentation tank 4 and a detection tank 6, a pH value detector 7 is installed on one side of the detection tank 6, a clarification tank 5 is installed on one side of the detection tank 6, the sedimentation tank 4 is fixed on one side of the clarification tank 5, the neutralization reaction tank 3 is fixed on one side of the sedimentation tank 4, a connecting pipe 9 is installed on one side of the neutralization reaction tank 3, the sedimentation tank 4 and the clarification tank 5, and a flushing mechanism 1 is arranged on the top of the neutralization reaction tank 3, the sedimentation tank 4 and the clarification tank 5, and the flushing mechanism 1 includes a water pump 101, a water supply pipe 102, a nozzle 103, a water collection chamber 104, a filter screen 105, a connecting block 106 and a fixing screw 107, and the water collection chamber 104 are all installed at the top of the neutralization reaction tank 3, the sedimentation tank 4 and the clarification tank 5, the bottom of the water collecting chamber 104 is evenly installed with nozzles 103, the water pump 101 is installed at the top of the detection tank 6, and water supply pipes 102 are installed on both sides of the water pump 101, and one end of the water supply pipe 102 is installed with a connecting block 106, a fixing screw 107 is fixed at the bottom of the connecting block 106, a filter screen 105 is arranged on the outside of the fixing screw 107, one end of the water supply pipe 102 is arranged inside the detection tank 6, and the other end of the water supply pipe 102 is connected to the top of the water collecting chamber 104, and a threaded hole is opened inside the filter screen 105, and the filter screen 105 is meshed with the fixing screw 107 through a thread.

[0032] In the present embodiment, when in use, wastewater enters the neutralization reaction tank 3 from the top of one side of the neutralization reaction tank 3, lime slurry is added to the neutralization reaction tank 3, and after the wastewater reacts with the lime slurry, it enters the sedimentation tank 4 through the connecting pipe 9, and a heavy metal sedimentation agent is added to the sedimentation tank 4. Flocculants such as sludge remain in the sedimentation tank 4, and clean water enters the clarification tank 5 through the connecting pipe 9. A flocculant is added to the clarification tank 5 to make them condense into large particles and settle down. The clarified water enters the detection tank 6 through the connecting pipe 9, and the pH value of the clean water can be detected by the pH value detector 7. After reaching the standard, it is discharged from the bottom end of one side of the detection tank 6. After the wastewater is treated, the water pump 101 is started, and the water supply pipe 102 can send the clean water in the detection tank 6 that has been filtered by the filter screen 105 to the water collection chamber 104, and then sprayed out by the nozzle 103 to rinse the neutralization reaction tank 3, the sedimentation tank 4 and the inner wall of the clarification tank 5.

[0033] Embodiment 2

[0034] This embodiment also includes: a scraper mechanism 8 is arranged inside the sedimentation tank 4, and the scraper mechanism 8 includes a scraper 801, a rotating shaft 802, a bracket 803, a mud level meter sensor 804 and a driving motor 805. The driving motor 805 is installed at the top of the sedimentation tank 4, and the rotating shaft 802 is installed at the bottom of the driving motor 805. The scraper 801 is fixed on the rotating shaft 802, and the bracket 803 is installed inside the sedimentation tank 4. The mud level meter sensors 804 are fixed on both sides of the bracket 803. The mud level meter sensors 804 are symmetrically arranged, and the mud level meter sensors 804 are vertically symmetrically distributed through the bracket 803.

[0035] A stirring mechanism 2 is installed inside the neutralization reaction tank 3 and the clarification tank 5. The stirring mechanism 2 includes a temperature sensor 201, a stirring blade 202, a heat-conducting shell 203, a heating wire 204 and a fixed motor 205. The fixed motor 205 is installed at the top of the neutralization reaction tank 3 and the clarification tank 5. The bottom of the fixed motor 205 is installed with a stirring blade 202. The heat-conducting shell 203 is evenly fixed on the stirring blade 202. The inside of the heat-conducting shell 203 is installed with a heating wire 204. The temperature sensors 201 are installed on both sides of the neutralization reaction tank 3 and the clarification tank 5. The heating wires 204 are in the same horizontal plane, and the heating wires 204 are arranged at equal intervals on the stirring blade 202.

[0036] In this embodiment, the amount of sludge and other flocs in the sedimentation tank 4 can be detected by the mud level meter sensor 804. When a certain amount is reached, the sludge and other flocs are discharged. During the slag discharge process, the drive motor 805 is started, the rotating shaft 802 and the scraper 801 are rotated, and the inner wall of the sedimentation tank 4 is cleaned to prevent sludge and other flocs from remaining on the inner wall of the sedimentation tank 4. When the wastewater reacts with the reagent, the fixed motor 205 and the heating wire 204 are started, and the stirring blade 202 is rotated to heat and stir the objects in the neutralization reaction tank 3 and the clarification tank 5 to improve the reaction efficiency. The heating temperature can be detected by the temperature sensor 201.

[0037] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.

[0039] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A desulfurization wastewater treatment device, comprising a neutralization reaction tank (3), a sedimentation tank (4) and a detection tank (6), characterized in that: A pH value detector (7) is installed on one side of the detection pool (6), and a clarification pool (5) is installed on one side of the detection pool (6); The sedimentation tank (4) is fixed on one side of the clarification tank (5), and a wall scraping mechanism (8) is provided inside the sedimentation tank (4); The neutralization reaction tank (3) is fixed to one side of the sedimentation tank (4); a stirring mechanism (2) is installed inside the neutralization reaction tank (3) and the clarification tank (5); a connecting pipe (9) is installed on one side of the neutralization reaction tank (3), the sedimentation tank (4) and the clarification tank (5); a flushing mechanism (1) is arranged at the top of the neutralization reaction tank (3), the sedimentation tank (4) and the clarification tank (5); the flushing mechanism (1) comprises a water pump (101), a water supply pipe (102), a nozzle (103), a water collection chamber (104), a filter screen (105), a connecting block (106) and A fixed screw (107), the water collecting chamber (104) is installed at the top of the neutralization reaction tank (3), the sedimentation tank (4) and the clarification tank (5), the bottom of the water collecting chamber (104) is evenly installed with a nozzle (103), the water pump (101) is installed at the top of the detection tank (6), water supply pipes (102) are installed on both sides of the water pump (101), and a connecting block (106) is installed at one end of the water supply pipe (102), the fixed screw (107) is fixed at the bottom end of the connecting block (106), and a filter screen (105) is arranged on the outside of the fixed screw (107).

2. A desulfurization wastewater treatment device according to claim 1, characterized in that: One end of the water supply pipe (102) is arranged inside the detection pool (6), and the other end of the water supply pipe (102) is connected to the top of the water collection chamber (104).

3. A desulfurization wastewater treatment device according to claim 1, characterized in that: A threaded hole is provided inside the filter screen (105), and the filter screen (105) is meshed with a fixing screw (107) via a thread.

4. A desulfurization wastewater treatment device according to claim 1, characterized in that: The stirring mechanism (2) comprises a temperature sensor (201), a stirring blade (202), a heat-conducting shell (203), a heating wire (204) and a fixed motor (205); the fixed motor (205) is installed at the top of the neutralization reaction tank (3) and the clarification tank (5); the bottom of the fixed motor (205) is installed with a stirring blade (202); the heat-conducting shell (203) is evenly fixed on the stirring blade (202); the interior of the heat-conducting shell (203) is installed with a heating wire (204); and the temperature sensor (201) is installed on both sides of the interior of the neutralization reaction tank (3) and the clarification tank (5).

5. A desulfurization wastewater treatment device according to claim 4, characterized in that: The heating wires (204) are all located in the same horizontal plane, and the heating wires (204) are arranged at equal intervals on the stirring blade (202).

6. A desulfurization wastewater treatment device according to claim 1, characterized in that: The wall scraping mechanism (8) comprises a scraper (801), a rotating shaft (802), a bracket (803), a mud level meter sensor (804) and a driving motor (805); the driving motor (805) is installed at the top of the sedimentation tank (4); the bottom of the driving motor (805) is installed with a rotating shaft (802); the scraper (801) is fixed on the rotating shaft (802); the bracket (803) is installed inside the sedimentation tank (4); and the mud level meter sensors (804) are fixed on both sides of the bracket (803).

7. A desulfurization wastewater treatment device according to claim 6, characterized in that: The mud level meter sensors (804) are symmetrically arranged, and the mud level meter sensors (804) are distributed vertically and centrally symmetrically through the bracket (803).

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