Incoming water preheating treatment system with energy recovery function for SBR (Sequencing Batch Reactor) water inlet tank of sewage station

Abstract

The utility model relates to the technical field of sewage treatment, in particular to a sewage station SBR (Sequencing Batch Reactor) water inlet tank incoming water preheating treatment system with an energy recovery function, which comprises water treatment equipment, the left side of the water treatment equipment is fixedly communicated with a fixed box, and the left side of the top of the fixed box is fixedly connected with a mounting plate through a bolt in a penetrating manner; the bottom of the mounting plate is connected with a filtering grid through a bolt, a cleaning mechanism is arranged on the left side of the filtering grid and comprises an electric push rod, and the bottom of the electric push rod is connected with a rubber scraper through a bolt. Heat of water in the reclaimed water pool is transferred to chilled water of the sewage source heat pump unit through the sewage heat exchanger, and the reclaimed water passing through the heat exchanger flows into the discharge water pool and then is discharged, so that the reclaimed water can be recycled, part of heat in the reclaimed water is extracted, energy is saved, on the other hand, carbon emission is effectively reduced, and positive social benefits can be obtained.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a sewage station SBR inlet pool water preheating treatment system with an energy recovery function. Background Art

[0002] SBR is the abbreviation of sequencing batch activated sludge process, which is an activated sludge wastewater treatment technology that operates in an intermittent aeration mode. Its main feature is the orderly and intermittent operation. The core of SBR technology is the SBR reaction tank, which integrates the functions of equalization, primary sedimentation, biodegradation, and secondary sedimentation in one tank.

[0003] After searching, the announcement number is CN218810684U, and the name is a SBR sewage treatment equipment, including a treatment box. Through research and analysis, it is found that although the problem of extensive delivery of disinfectants by the equipment, which causes waste of disinfectants, can be improved, the following defects still exist to a certain extent.

[0004] For example, it does not have a preheating function. The above-mentioned SBR sewage treatment equipment does not have a heating structure at the water inlet, so it is impossible to preheat the sewage entering the equipment. Failure to heat the sewage will reduce the chemical reaction rate, and the reaction effect is not thorough. Some harmful microorganisms cannot be killed by heating, and it is not energy-saving and environmentally friendly. The heat energy of the sewage after heating treatment cannot be recovered and reused. In order to solve the above technical problems, we have designed a sewage station SBR water inlet pool water preheating treatment system with energy recovery function. Utility Model Content

[0005] The purpose of the utility model is to provide a sewage station SBR inlet pool water preheating treatment system with energy recovery function, which has sewage heat energy recovery and reuse function and preheating function, can improve the chemical reaction rate, the reaction effect is more thorough, and it is more energy-saving and environmentally friendly. It solves the problem that the chemical reaction rate is low, the reaction effect is not thorough, and it is not energy-saving and environmentally friendly due to the lack of sewage heat energy recovery and reuse function and the lack of preheating function.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a preheating treatment system for water inlet pool of a sewage station SBR with energy recovery function, comprising a water treatment device, wherein the left side of the water treatment device is fixedly connected with a fixed box, the left side of the top of the fixed box is fixedly connected with a mounting plate by bolts, the bottom of the mounting plate is connected with a filter grid by bolts, and a cleaning mechanism is arranged on the left side of the filter grid, the cleaning mechanism comprises an electric push rod, the bottom of the electric push rod is connected with a rubber scraper by bolts, the right side of the inner cavity of the fixed box is respectively fixedly connected with an electric heater and a water blocking plate by bolts, the right side of the front side of the inner cavity of the fixed box is connected with a temperature sensor by bolts, the left side of the fixed box is welded and connected with a heating box, the left side of the heating box is fixedly connected with a discharge pool, the front and rear sides of the left side of the discharge pool are fixedly connected with a heat exchanger, the left side of the heat exchanger is fixedly connected with a medium water pool, and the inner cavity of the heating box is fixedly connected with a heat exchange pipe.

[0007] Preferably, the front side of the heat exchange tube passes through the front side of the heating box and is connected to a drainage pipe, and a sedimentation opening is provided on the left side of the bottom of the inner cavity of the fixed box.

[0008] Preferably, a sedimentation shell is welded on the left side of the bottom of the fixed box, a slag discharge valve is fixedly connected to the bottom of the sedimentation shell, the rear side of the heat exchange tube passes through the heating box and is connected to an insulated water pipe, and the drain outlet on the rear side of the water treatment equipment is connected to the insulated water pipe.

[0009] Preferably, a box body is fixedly connected to the right side of the top of the fixed box, and the inner cavity of the box body is respectively connected to a time controller and an intelligent processor through bolts.

[0010] Preferably, an electronic display screen is connected to the right side of the front side of the fixed box by bolts, and a mounting opening is provided on the left side of the top of the fixed box.

[0011] Preferably, the front and rear sides of the left side of the inner cavity of the fixed box are fixedly connected with guide slide bars, the surface sliding sleeve of the guide slide bar is provided with a connecting slide bar, and the right side of the connecting slide bar is fixedly connected to the rubber scraper.

[0012] Preferably, the top of the electric push rod penetrates to the top of the fixed box and is fixedly connected by bolts, the top of the water treatment equipment is respectively connected to the photovoltaic panel and the battery module by bolts, and the left side of the top of the water treatment equipment is connected to the inverter module by bolts.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] The filter grid pre-filters large solid impurities in the sewage, and the electric heater heats the passing sewage after being powered on. The temperature sensor can detect the temperature of the sewage, and the electronic display screen displays the temperature value. By pre-heating the sewage, the chemical reaction rate of the sewage treatment can be increased after the sewage enters the water treatment equipment, and the reaction effect is better.

[0015] The water in the grey water pool transfers heat to the chilled water of the sewage source heat pump unit through the sewage heat exchanger. The grey water passes through the heat exchanger and flows into the discharge pool before being discharged. This allows the grey water to be reused, extracts part of the heat from the grey water, saves energy, and on the other hand effectively reduces carbon emissions, which can achieve positive social benefits.

[0016] The sewage after heating treatment flows into the heat exchange tube through the insulated water pipe. The hot sewage in the heat exchange tube converts heat energy into the sewage flowing through the heating box, so that the heat energy can be recycled and reused, thereby improving the heating efficiency of the sewage. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is an axonometric drawing of the structure of the utility model;

[0018] Figure 2 It is a left axonometric view of the local structure of the utility model;

[0019] Figure 3 It is a left-side sectional isometric view of the fixed box of the utility model;

[0020] Figure 4 It is a rear right view cutaway axonometric drawing of the fixed box of the utility model;

[0021] Figure 5 It is a rear axonometric view of the water treatment equipment of the utility model;

[0022] Figure 6 It is a top view and a sectional axonometric view of the heating box of the utility model.

[0023] In the figure: 1. water treatment equipment; 2. electronic display screen; 3. slag discharge valve; 4. drain pipe; 5. fixing box; 6. cleaning mechanism; 7. mounting plate; 8. box body; 9. photovoltaic power generation panel; 10. filter grid; 11. guide slide bar; 12. rubber scraper; 13. connecting slide block; 14. electric push rod; 15. sedimentation shell; 16. time controller; 17. intelligent processor; 18. installation opening; 19. temperature sensor; 20. water blocking plate; 21. electric heater; 22. battery module; 23. inverter module; 24. insulation water pipe; 25. heating box; 26. heat exchange pipe; 27. intermediate water tank; 28. discharge water tank; 29. ​​heat exchanger. DETAILED DESCRIPTION

[0024] See also Figure 1-Figure 6 The water preheating treatment system for the SBR inlet pool of a sewage station with energy recovery function includes a water treatment device 1. The left side of the water treatment device 1 is fixedly connected with a fixing box 5. The left side of the top of the fixing box 5 is fixedly connected with a mounting plate 7 through bolts. The bottom of the mounting plate 7 is bolted with a filter grille 10. A cleaning mechanism 6 is provided on the left side of the filter grille 10. By setting the cleaning mechanism 6, the rubber scraper 12 can be driven to move up and down on the surface of the filter grille 10 by controlling the electric push rod 14 to extend and retract, so that impurities attached to the surface can be removed to avoid clogging the mesh and affecting the sewage flow. The cleaning mechanism 6 includes an electric push rod 1 4. The bottom of the electric push rod 14 is connected with a rubber scraper 12 by bolts. The right side of the inner cavity of the fixed box 5 is fixedly connected with an electric heater 21 and a water blocking plate 20 by bolts. By setting the water blocking plate 20, the flow rate of sewage can be reduced and the heating time can be increased. The right side of the front side of the inner cavity of the fixed box 5 is connected with a temperature sensor 19 by bolts. The left side of the heating box 25 is fixedly connected with a discharge pool 28. The front and rear sides of the left side of the discharge pool 28 are fixedly connected with a heat exchanger 29. The left side of the heat exchanger 29 is fixedly connected with a middle water pool 27. The left side of the fixed box 5 is welded and connected with the heating box 25. The inner cavity of the heating box 25 is fixedly connected with a heat exchange pipe 26.

[0025] See also Figure 1 and Figure 2 The front side of the heat exchange tube 26 penetrates the front side of the heating box 25 and is connected to the drain pipe 4. A sedimentation opening is provided on the left side of the bottom of the inner cavity of the fixed box 5. By providing the sedimentation opening, the filtered solid impurities can be settled into the sedimentation shell 15 for collection;

[0026] See also Figure 2 The left side of the bottom of the fixed box 5 is welded with a sedimentation shell 15, and the bottom of the sedimentation shell 15 is fixedly connected with a slag discharge valve 3. By setting the slag discharge valve 3, impurities in the sedimentation shell 15 can be discharged after opening. The rear side of the heat exchange tube 26 passes through the heating box 25 and is connected with the insulation water pipe 24. The drain port on the rear side of the water treatment equipment 1 is connected with the insulation water pipe 24;

[0027] See also Figure 2 The right side of the top of the fixed box 5 is fixedly connected with a box body 8, and the inner cavity of the box body 8 is respectively connected with a time controller 16 and an intelligent processor 17 by bolts. By setting the time controller 16, the electric push rod 14 can be controlled to be turned on or off according to the set time, and the impurities on the surface of the filter grille 10 are cleaned in a cyclic timing;

[0028] See also Figure 2 and Figure 3The right side of the front side of the fixing box 5 is connected with the electronic display screen 2 by bolts, and the left side of the top of the fixing box 5 is provided with an installation opening 18. By providing the installation opening 18, the installation plate 7 can be conveniently installed and fixed;

[0029] See also Figure 2 The front and rear sides of the left side of the inner cavity of the fixed box 5 are fixedly connected with guide slide bars 11. By setting the guide slide bars 11, the rubber scraper 12 can move up and down more smoothly. The surface sliding sleeve of the guide slide bar 11 is provided with a connecting slide bar 13, and the right side of the connecting slide bar 13 is fixedly connected to the rubber scraper 12;

[0030] See also Figure 4 The top of the electric push rod 14 penetrates through the top of the fixed box 5 and is fixedly connected by bolts. The top of the water treatment equipment 1 is respectively connected with the photovoltaic panel 9 and the battery module 22 by bolts. The left side of the top of the water treatment equipment 1 is connected with the inverter module 23 by bolts. By setting the inverter module 23, DC power can be converted into fixed-frequency and fixed-voltage or frequency-modulated and voltage-regulated AC power for use by electrical equipment.

[0031] When in use, the water in the intermediate water tank 27 passes through the sewage heat exchanger 29 to transfer heat to the chilled water of the sewage source heat pump unit, raising the temperature of the chilled water. The intermediate water passes through the heat exchanger 29 and flows into the discharge water tank 28 and is then discharged. In this way, the intermediate water can be reused, part of the heat in the intermediate water is extracted, and energy is saved. On the other hand, the carbon emissions are effectively reduced, and positive social benefits can be achieved. The photovoltaic panel 9 is installed on the top of the water treatment equipment 1. The photovoltaic panel 9 can convert solar energy into electrical energy and store it in the battery module 22. The battery module 22 can provide electrical energy for electrical equipment. In this way, the recycling of solar energy makes the device more energy-saving and environmentally friendly. The sewage enters the fixed box 5 through the heating box 25, and the filter grille 10 pre-filters large solid impurities in the sewage. The sewage flows through the filter grille 10 The electric heater 21 contacts with the electric heater 21. At this time, the electric heater 21 generates heat after being energized to heat the passing sewage. The heated sewage contacts with the temperature sensor 19 after passing through the water blocking plate 20. The temperature sensor 19 can detect the temperature of the sewage, and the detected temperature information is transmitted to the intelligent processor 17. The intelligent processor 17 is converted and transmitted to the electronic display screen 2 and displays the temperature value. In this way, by preheating the sewage, the chemical reaction rate of the sewage treatment can be increased after the sewage enters the water treatment equipment 1, and the reaction effect is better. Finally, the sewage after heating is discharged from the drain port on the rear side through the built-in water pump and flows into the heat exchange tube 26 through the insulation water pipe 24. The hot sewage in the heat exchange tube 26 converts heat energy into the sewage flowing through the heating box 25, so that the heat energy can be recycled and reused, thereby improving the heating efficiency of the sewage.

[0032] In summary: the sewage station SBR water inlet pool water preheating treatment system with energy recovery function, through the coordinated use of water treatment equipment 1, fixed box 5, cleaning mechanism 6, filter grille 10, intelligent processor 17, electric heater 21, battery module 22, insulation water pipe 24, heat exchange pipe 26, intermediate water tank 27, discharge water tank 28 and heat exchanger 29, solves the problems of lack of sewage heat energy recovery and reuse function and lack of preheating function, resulting in low chemical reaction rate, incomplete reaction effect, and insufficient energy saving and environmental protection.

Claims

1. A sewage treatment plant SBR inlet tank water preheating treatment system with energy recovery function, comprising a water treatment device (1), characterized in that: The left side of the water treatment equipment (1) is fixedly connected to a fixed box (5); the left side of the top of the fixed box (5) is fixedly connected to a mounting plate (7) by bolts; the bottom of the mounting plate (7) is connected to a filter grille (10) by bolts; a cleaning mechanism (6) is provided on the left side of the filter grille (10); the cleaning mechanism (6) comprises an electric push rod (14); the bottom of the electric push rod (14) is connected to a rubber scraper (12) by bolts; the right side of the inner cavity of the fixed box (5) is fixedly connected to An electric heater (21) and a water blocking plate (20); the right side of the front side of the inner cavity of the fixed box (5) is connected to a temperature sensor (19) by bolts; the left side of the fixed box (5) is welded to a heating box (25); the left side of the heating box (25) is fixedly connected to a discharge pool (28); the front and rear sides of the left side of the discharge pool (28) are fixedly connected to a heat exchanger (29); the left side of the heat exchanger (29) is fixedly connected to a middle water pool (27); and the inner cavity of the heating box (25) is fixedly connected to a heat exchange pipe (26).

2. The sewage station SBR inlet pool water preheating treatment system with energy recovery function according to claim 1 is characterized by: The front side of the heat exchange tube (26) penetrates to the front side of the heating box (25) and is connected to the drainage pipe (4), and a sedimentation opening is provided on the left side of the bottom of the inner cavity of the fixed box (5).

3. The sewage station SBR inlet pool water preheating treatment system with energy recovery function according to claim 1 is characterized by: The left side of the bottom of the fixed box (5) is welded with a sedimentation shell (15), the bottom of the sedimentation shell (15) is fixedly connected to a slag discharge valve (3), the rear side of the heat exchange tube (26) passes through the heating box (25) and is connected to an insulation water pipe (24), and the drainage port on the rear side of the water treatment equipment (1) is connected to the insulation water pipe (24).

4. The sewage station SBR inlet pool water preheating treatment system with energy recovery function according to claim 1 is characterized by: The right side of the top of the fixed box (5) is fixedly connected to a box body (8), and the inner cavity of the box body (8) is respectively connected to a time controller (16) and an intelligent processor (17) via bolts.

5. The sewage station SBR inlet pool water preheating treatment system with energy recovery function according to claim 1 is characterized by: The right side of the front side of the fixed box (5) is connected to an electronic display screen (2) via bolts, and the left side of the top of the fixed box (5) is provided with a mounting opening (18).

6. The sewage station SBR inlet pool water preheating treatment system with energy recovery function according to claim 1 is characterized by: A guide slide bar (11) is fixedly connected to both the front and rear sides of the left side of the inner cavity of the fixed box (5), a connecting slide bar (13) is provided on the surface sliding sleeve of the guide slide bar (11), and the right side of the connecting slide bar (13) is fixedly connected to the rubber scraper (12).

7. The sewage station SBR inlet pool water preheating treatment system with energy recovery function according to claim 1 is characterized by: The top of the electric push rod (14) penetrates through the top of the fixing box (5) and is fixedly connected by bolts. The top of the water treatment equipment (1) is respectively connected to the photovoltaic panel (9) and the battery module (22) by bolts. The left side of the top of the water treatment equipment (1) is connected to the inverter module (23) by bolts.

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