CN113045040B - Municipal administration sewage treatment plant - Google Patents
Municipal administration sewage treatment plant Download PDFInfo
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- CN113045040B CN113045040B CN202110293243.9A CN202110293243A CN113045040B CN 113045040 B CN113045040 B CN 113045040B CN 202110293243 A CN202110293243 A CN 202110293243A CN 113045040 B CN113045040 B CN 113045040B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/208—Off-grid powered water treatment
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- Hydrology & Water Resources (AREA)
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- Environmental & Geological Engineering (AREA)
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- General Chemical & Material Sciences (AREA)
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Abstract
The application relates to a municipal sewage treatment device, which relates to the field of municipal construction and comprises a water tank, wherein the water tank is provided with a water inlet and a water outlet, an inner tank is fixed on the inner wall of the water tank and is positioned in the upper space of the water tank, the top of the inner tank is provided with a top hole, the bottom of the inner tank is provided with a bottom hole, the bottom hole is provided with a valve piece for controlling the on-off of the inner tank, the inner tank is positioned below the water inlet, and water entering from the water inlet can flow into the inner tank through the top hole; the side wall of the inner box is hinged with a swing rod, one end of the swing rod is located in the water tank and is fixed with an outer floating ball, the other end of the swing rod is located in the inner box and is fixed with an inner floating ball, a seal sleeve is arranged between the swing rod and the inner box to establish sealing, and when the outer floating ball is not in contact with water, the inner floating ball swings upwards to the position of the closed top hole. The sewage treatment device can reduce the secondary pollution of newly entered sewage to purified water; the sewage treatment device can continuously feed water and automatically discharge water, so that the labor amount of workers is reduced; the sewage treatment device does not need an external power supply and is energy-saving.
Description
Technical Field
The application relates to the field of municipal construction, in particular to a municipal sewage treatment device.
Background
Municipal buildings are generally provided with water facilities such as a washbasin, a mop pool, a water tank and the like, and the facilities can generate sewage along with the use of people. In order to respond to the national call for environmental protection, municipal sewage can be collected and treated, and the eutrophication pollution of the sewage is generally aimed at.
The sewage treatment device in the related technology collects sewage in a large-scale water tank, one end of the water tank is provided with a water inlet, the other end of the water tank is provided with a water outlet, the sewage treatment is carried out by putting medicines such as flocculating agent, treating agent and the like into the water tank, and the treated water reaching the standard is discharged to a sewer.
Aiming at the related technologies, the inventor thinks that the water inlet of the water tank is normally open, and when the water tank is internally used for sewage treatment, new sewage enters the water tank, and the new sewage can cause secondary pollution to the purified water.
Disclosure of Invention
In order to reduce the sewage that newly gets into and cause secondary pollution to the water after the purification, this application provides a municipal sewage treatment plant.
The application provides a municipal administration sewage treatment plant adopts following technical scheme:
a municipal sewage treatment device comprises a water tank, wherein the water tank is provided with a water inlet, a water outlet and a medicine feeding port, the water outlet is provided with a water outlet valve, an inner tank is fixed on the inner wall of the water tank and is positioned in the upper space of the water tank, the top of the inner tank is provided with a top hole, the bottom of the inner tank is provided with a bottom hole, the bottom hole is provided with a valve piece for controlling the on-off of the bottom hole, the inner tank is positioned below the water inlet, and water entering from the water inlet can flow into the inner tank through the top hole;
the side wall of the inner box is hinged with a swing rod, one end of the swing rod is located in the water tank and is fixedly provided with an outer floating ball, the other end of the swing rod is located in the inner box and is fixedly provided with an inner floating ball, sealing is established between the swing rod and the inner box through a sealing sleeve, and when the outer floating ball is not in contact with water, the inner floating ball swings upwards to the position of a closed top hole.
By adopting the technical scheme, the water outlet valve is in a closed state by default, when the water tank and the inner tank are not filled with water, external sewage enters the water tank through the water inlet, and the valve piece is in a state of closing the bottom hole. Because the top hole is sealed by the inner floating ball, water entering from the water inlet flows into the water tank instead of the inner tank. When the water level in the water tank reaches the outer floating ball, the outer floating ball moves upwards along with the continuous rising of the water level, the inner floating ball moves downwards to open the top hole, and at the moment, the water flowing into the water inlet enters the inner tank through the top hole and cannot enter the water tank.
After a person puts in the flocculating agent, the treating agent and other medicines through the medicine feeding port, in the process that the water level of the inner tank is continuously increased, the water in the water tank keeps a stable state without new sewage mixed in for a period of time, so that the disinfection and flocculation of the sewage in the water tank are facilitated, and the secondary pollution is not easy to generate. When the inner tank is filled with water, a person or a system controls the water outlet valve to be opened, the water which is treated in the water tank is discharged outside, the bottom hole is communicated through the valve piece after the water is treated, so that the water in the inner tank enters the water tank through the bottom hole, and then the next circulation is carried out.
Optionally, the top surface of inner box is equipped with the runner, the runner is located the water inlet under, the apical pore is located the runner, the diameter of apical pore is not less than the width of runner, the tip of runner link up to the lateral wall of inner box.
Through adopting above-mentioned technical scheme, the runner has the guide effect to water, when interior floater does not shelter from the apical pore, can ensure that the hydroenergy that the water inlet got into gets into in the runner, and then gets into the inner box through the apical pore.
Optionally, a sealing plate made of a flexible material is fixed at the top of the inner floating ball, and the sealing plate, the flow channel and the top hole are the same in width; when the inner floating ball moves upwards to close the top hole, the sealing plate is inserted into the top hole and the flow channel, and the flow channel is divided into two sections which are not communicated with each other by the sealing plate.
Through adopting above-mentioned technical scheme, when the outlet valve is opened and is discharged to the water tank in, outer floater luffing motion, interior floater luffing motion, when interior floater seals the apical pore, the closing plate inserts apical pore and runner and separates the runner, and the runner is close to the segmentation formation container of water inlet, can hold the sewage of new entering, and when making the water tank discharge, the sewage of new entering of water inlet can not get into in the water tank.
Optionally, the valve member is rod-shaped and can float on the water surface, the valve member penetrates through the bottom hole and is in sliding connection with the bottom hole, sliding sealing is established between the outer wall of the valve member and the inner wall of the bottom hole, a water through groove is formed in the side wall of the valve member, and after the valve member moves downwards, the water through groove can be located at the bottom hole and communicates the inner tank and the water tank.
By adopting the technical scheme, the valve piece can float along with the liquid level in the water tank, and when the liquid level in the water tank rises, the valve piece is inserted into the bottom hole to close the bottom hole; when the valve member moves downwards, the water trough is positioned at the bottom hole to communicate the inner tank with the water tank. The automatic opening and closing of the bottom hole are realized through the arrangement.
Optionally, the valve member includes a floating block located in the inner box and a floating rod slidably connected with the bottom hole, a sliding rod is fixed at the bottom of the floating block, a sliding hole for slidably connecting the sliding rod is formed in the top of the floating rod, and the water passing groove is formed in the outer periphery of the sliding rod between the floating block and the floating rod.
Through adopting above-mentioned technical scheme, the kicking block can go up and down along with the water level height in the inner box, and when the kicking block slided and keeps away from the float rod, the length of water trough along vertical direction can increase. When the floating rod moves downwards to conduct the sliding hole, the length of the water through groove is long, and smooth water drainage is facilitated.
Optionally, the water outlet valve is an electromagnetic valve, a first switch for controlling the water outlet valve to be opened is arranged on the inner top wall of the inner box, the first switch is located right above the floating block, and the first switch can be pressed down after the floating block floats upwards.
By adopting the technical scheme, after the inner tank is filled with water, the floating block moves upwards to the position of the first switch, the first switch controls the water outlet valve to be opened, so that the water in the water tank is automatically discharged, and the discharged water is the water after treatment.
Optionally, a second switch for controlling the water outlet valve to be closed is arranged in the water tank, the second switch is located right below the floating rod, and the second switch can be pressed down after the floating rod moves downwards.
By adopting the technical scheme, when the water in the water tank is discharged to a certain height, the floating rod moves downwards to the position of pressing the second switch, and the second switch controls the water outlet valve to be closed, so that water can be refilled in the water tank to carry out the next circulation.
Optionally, a solar cell panel is arranged at the outer top of the water tank, the solar cell panel is electrically connected with a storage battery, the storage battery is electrically connected with the water outlet valve, and the storage battery is used for supplying power to the water outlet valve.
Through adopting above-mentioned technical scheme, this sewage treatment plant installs when outdoor, and for the outlet valve power supply through solar cell panel, battery, make this sewage treatment plant need not external power supply, comparatively energy-conservation.
Optionally, the size of the cross section of the inner bottom of the water tank is gradually reduced along the downward direction, a drain pipe is arranged at the outer bottom of the water tank, and a drain valve for controlling the on-off of the drain pipe is arranged on the drain pipe.
Through adopting above-mentioned technical scheme, personnel can open the blowoff valve regularly, clear up the flocculation thing of bottom in the water tank. The conical shape at the bottom of the water tank is convenient for the discharge of the flocculate.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the sewage treatment device can reduce the secondary pollution of newly entered sewage to purified water;
2. the sewage treatment device can continuously feed water and automatically discharge water, so that the labor amount of workers is reduced;
3. the sewage treatment device does not need an external power supply and is energy-saving.
Drawings
FIG. 1 is a perspective view of a municipal sewage treatment apparatus according to a first embodiment of the present application.
FIG. 2 is a sectional view of the first embodiment.
Fig. 3 is a perspective view of the inner box according to the first embodiment.
Fig. 4 is an enlarged view of fig. 2 at a.
FIG. 5 is a schematic view showing a state where the water level of the inner tank is raised according to the embodiment.
FIG. 6 is a schematic view showing a state where the water level of the inner tank is lowered according to the embodiment.
Fig. 7 is a schematic view of the second embodiment, mainly illustrating the structure of the sealing plate.
Fig. 8 is a sectional view taken along line B-B of fig. 7.
Description of the reference numerals: 1. a water tank; 11. a drug feeding port; 12. a water inlet; 13. a water outlet; 131. a water outlet valve; 14. a blow-off pipe; 141. a blowoff valve; 2. an inner box; 23. a flow channel; 21. a top hole; 22. a bottom hole; 3. a swing rod; 31. an outer floating ball; 32. an inner floating ball; 33. sealing sleeves; 4. a valve member; 41. a float rod; 42. floating blocks; 15. a guide seat; 421. a slide bar; 411. a slide hole; 43. a water trough; 23. positioning a groove; 16. a supporting seat; 51. a first switch; 52. a second switch; 6. a solar panel; 321. and (7) sealing the plate.
Detailed Description
The present application is described in further detail below with reference to figures 1-8.
The first embodiment is as follows:
the embodiment of the application discloses municipal sewage treatment plant. Referring to fig. 1, the municipal sewage treatment apparatus includes a water tank 1, and the upper portion of the water tank 1 is cylindrical and the lower portion thereof is conical, and the diameter of the lower portion of the water tank 1 is tapered in a vertically downward direction. The top of the water tank 1 is provided with a medicine feeding port 11, a water inlet 12 is arranged at the position close to the top of the side wall of the water tank 1, a water outlet 13 is arranged at the position close to the bottom of the side wall of the water tank 1, a water outlet valve 131 for controlling the on-off of the water outlet 13 is arranged at the position of the water outlet 13, and the water outlet valve 131 is an electromagnetic valve. The outer bottom of the water tank 1 is provided with a sewage discharge pipe 14, the upper end of the sewage discharge pipe 14 is communicated with the lowest position in the water tank 1, the sewage discharge pipe 14 is provided with a sewage discharge valve 141 for controlling the on-off of the sewage discharge pipe, the sewage discharge valve 141 is a manual valve, and the sewage discharge valve 141 is in a normally closed state.
Referring to fig. 2 and 3, an inner tank 2 is fixed to the inner wall of the water tank 1, the inner tank 2 is located in the upper space of the water tank 1, a gap is left between the outer top wall of the inner tank 2 and the inner top wall of the water tank 1, the inner tank 2 is offset to one side close to the water inlet 12, and the water inlet position of the water inlet 12 is located right above the inner tank 2. The top surface of inner box 2 is equipped with runner 23 and apical pore 21, and the bottom surface of inner box 2 is equipped with bottom outlet 22, and apical pore 21 and bottom outlet 22 are the round hole, and apical pore 21 and bottom outlet 22 all communicate the inner chamber of inner box 2. The length direction of the flow channel 23 is parallel to the top surface of the inner box 2, one end of the flow channel 23 is positioned right below the water inlet 12, the other end of the flow channel 23 penetrates through the side wall of the inner box 2, the top hole 21 is positioned in the flow channel 23, and the diameter of the top hole 21 is the same as the width of the flow channel 23. The length direction of the flow channel 23 is parallel to the water inlet direction of the water inlet 12, and water entering from the water inlet 12 can fall into the flow channel 23 due to gravity and flow into the top hole 21 or the side wall of the inner tank 2 along the flow channel 23.
The side wall of the inner box 2 is hinged with a swing rod 3, the hinged shaft of the swing rod 3 is hinged with the inner box 2 through the middle part along the horizontal direction. The one end of pendulum rod 3 is located inner box 2, the other end of pendulum rod 3 is located inner box 2 outer 1 spaces of water tank, the end fixing that pendulum rod 3 is located water tank 1 has outer floater 31, the end fixing that pendulum rod 3 is located inner box 2 has interior floater 32, the volume of outer floater 31, weight all is greater than interior floater 32, outer floater 31, when interior floater 32 all does not contact water, outer floater 31 is because of gravity downswing, the position of interior floater 32 upswing to the interior roof of contact inner box 2, the interior roof of inner box 2 produces spacingly to interior floater 32. The surface material of interior floater 32 is rubber, and when interior floater 32 swung to upper limit, interior floater 32 just got into apical pore 21 and closed apical pore 21. A seal is established between the swing rod 3 and the inner box 2 through a seal sleeve 33, the seal sleeve 33 is made of rubber, the seal sleeve 33 is sleeved outside the swing rod 3, the seal sleeve 33 is provided with a large end and a small end, the large end of the seal sleeve 33 is fixed with the outer wall of the inner box 2 on the circumferential outer side of the swing rod 3, and the small end of the seal sleeve 33 is fixed with the outer wall of the swing rod 3.
Referring to fig. 2 and 4, the bottom hole 22 is provided with a valve member 4 for controlling the opening and closing thereof. The valve member 4 is rod-shaped, the valve member 4 comprises a floating block 42 positioned in the inner box 2 and a floating rod 41 connected with the bottom hole 22 in a sliding manner, the length direction and the sliding direction of the floating rod 41 are both along the vertical direction, a sealing ring is arranged on the hole wall of the bottom hole 22, and sliding sealing is established between the floating rod 41 and the bottom hole 22 through the sealing ring. The inner wall of the water tank 1 is fixed with a guide seat 15, the floating rod 41 penetrates through the guide seat 15 and is in sliding connection with the guide seat 15, and the guide seat 15 is used for improving the sliding stability of the floating rod 41. The floating block 42 and the floating rod 41 are made of foam materials, and the floating block 42 and the floating rod 41 can float on the water surface when in water.
The bottom of the floating block 42 is fixed with a slide bar 421, the top of the floating bar 41 is provided with a slide hole 411 for the slide connection of the slide bar 421, and the length direction of the slide bar 421 is consistent with the length direction of the floating bar 41. The valve member 4 has a water passage groove 43 formed in a side wall thereof, the water passage groove 43 is formed in an outer peripheral portion of the slide rod 421 between the float 42 and the float 41, and a length of the water passage groove 43 in a vertical direction increases when the float 42 slides away from the float 41. When the float rod 41 moves downward to be separated from the bottom hole 22, the water passing groove 43 is positioned at the bottom hole 22 and communicates the inner tank 2 and the water tank 1. The cross sectional dimension of floating block 42 is greater than floating rod 41, and the interior diapire of inner box 2 is equipped with the constant head tank 23 that supplies floating block 42 embedding, and the size of constant head tank 23 just can supply floating block 42 to embed, and constant head tank 23 does not run through the diapire of inner box 2.
Referring to fig. 2, a first switch 51 for controlling the opening of the water outlet valve 131 and a second switch 52 for controlling the closing of the water outlet valve 131 are further disposed in the water tank 1, and the first switch 51 and the second switch 52 are electrically connected to the water outlet valve 131 through wires respectively. The first switch 51 and the second switch 52 are both push type switches, springs are arranged in the first switch 51 and the second switch 52, the first switch 51 and the second switch 52 can be reset to a bounce state, and the first switch 51 and the second switch 52 are both waterproof switches. Wherein the first switch 51 is fixed on the inner top wall of the inner box 2, the first switch 51 is positioned right above the floating block 42, and the first switch 51 can be pressed after the floating block 42 moves up to the top. The second switch 52 is positioned right below the floating rod 41, the support base 16 is fixed on the inner wall of the water tank 1, the second switch 52 is fixed on the support base 16, and the floating rod 41 can press the second switch 52 after moving downwards. The position of switch two 52 is set as: when the floating rod 41 contacts the second switch 52, the water passing groove 43 is just positioned at the bottom hole 22 and communicates the inner tank 2 and the water tank 1.
Referring to fig. 1, a solar cell panel 6 is arranged at the outer top of the water tank 1, the solar cell panel 6 is electrically connected with a storage battery, the storage battery is electrically connected with the water outlet valve 131, and the storage battery is used for supplying power to the water outlet valve 131.
The implementation principle of a municipal sewage treatment plant of this application embodiment one is:
referring to fig. 2, the outlet valve 131 is in a closed state by default, and when there is no water in the water tank 1 or the inner tank 2, the external sewage enters the water tank 1 through the inlet 12. The water entering through the water inlet 12 flows into the flow passage 23, and because the top hole 21 is sealed by the inner floating ball 32, the water enters the water tank 1 along the flow passage 23 instead of entering the inner tank 2, and the floating block 42 is positioned in the positioning groove 23. After the water level in the water tank 1 rises, the floating rod 41 floats and is inserted into the bottom hole 22 to seal the bottom hole 22, and the top end of the floating rod 41 can be reliably inserted into the bottom hole 22 through the positioning action of the floating block 42 and the positioning groove 23.
Referring to fig. 5, when the water level in the tank 1 reaches the outer floating ball 31, as the water level continues to rise, the outer floating ball 31 moves upward, the inner floating ball 32 moves downward to open the top hole 21, the water flowing in from the water inlet 12 enters the inner tank 2 through the top hole 21 and does not enter the tank 1, and the floating block 42 floats on the water surface of the inner tank 2.
After a person puts medicines such as a flocculating agent and a treating agent into the water feeding port 11, in the process that the water level of the inner tank 2 is continuously raised, the water in the water tank 1 keeps a stable state without new sewage for a period of time, so that the disinfection and flocculation of the sewage in the water tank 1 are facilitated, and secondary pollution is avoided. For municipal sewage, the water inlet 12 is generally intermittent and the water inflow is small, so that the inner tank 2 needs to be filled for a long time, and the sewage in the water tank 1 has a long stable treatment time. The flocs generated by the sewage are accumulated at the inner bottom of the water tank 1.
Referring to fig. 6, when the inner tank 2 is filled with water, the floating block 42 moves up to the position where the first switch 51 is pressed, and the first switch 51 controls the outlet valve 131 to open, so that the water in the water tank 1 is automatically discharged, and the discharged water is the treated water. When the water in the water tank 1 is discharged to a certain height, the floating rod 41 moves downwards to the position of pressing the second switch 52, the second switch 52 controls the water outlet valve 131 to be closed, meanwhile, the top end of the floating rod 41 is separated from the bottom hole 22, the water in the inner tank 2 enters the water tank 1 through the bottom hole 22 and the water through groove 43, and then the next circulation is carried out. The sewage treatment device is arranged outdoors, and the solar cell panel 6 supplies power to the electromagnetic valve, so that the sewage treatment device does not need an external power supply, and has good energy-saving effect.
This sewage treatment plant is in the use, and personnel can regularly open blowoff valve 141, clears up the flocculation thing of bottom in the water tank 1, only need in addition regularly at the chemical dosing mouth 11 can, the water inlet 12 of water tank 1 keeps normally open state, purifies the hydroenergy of accomplishing in the water tank 1 and arranges outward automatically, this sewage treatment plant's use, maintenance are all comparatively simple and convenient, have reduced artificial amount of labour.
Example two:
the embodiment II of the application discloses a municipal sewage treatment device. The difference between the second embodiment and the first embodiment is that: referring to fig. 7 and 8, a sealing plate 321 is fixed to the top of the inner float 32, the sealing plate 321 is made of rubber or plastic, the width direction of the plate surface of the sealing plate 321 is parallel to the width direction of the flow channel 23, and the widths of the sealing plate 321, the flow channel 23, and the top hole 21 are all the same. When the inner floating ball 32 moves upwards to close the top hole 21, the sealing plate 321 is inserted into the top hole 21 and the flow channel 23, the sealing plate 321 is contacted with the side walls of the top hole 21 and the flow channel 23 through the side walls, the flow channel 23 is divided into two sections which are not communicated with each other by the sealing plate 321, the top hole 21 is also divided into two areas which are not communicated with each other by the sealing plate 321, and the upper end of the sealing plate 321 is higher than the top edge of the flow channel 23. The top edge of the sealing plate 321 is provided with a fillet for guiding the sealing plate 321 into the top hole 21 and the flow passage 23.
The implementation principle of the second embodiment of the present application is as follows: when the outlet valve 131 is opened to discharge water into the water tank 1, the outer floating ball 31 swings downwards, the inner floating ball 32 swings upwards, when the inner floating ball 32 closes the top hole 21, the sealing plate 321 is inserted into the top hole 21 and the flow passage 23, and the sealing plate 321 divides the flow passage 23 into two mutually disconnected segments. The section of the flow channel 23 close to the water inlet 12 forms a container closed all around and capable of containing newly entered sewage. With the arrangement, when the water tank 1 discharges water through the water outlet 13, newly-entered sewage at the water inlet 12 can be temporarily stored in the section of the flow channel 23 close to the water inlet 12, and the newly-entered sewage cannot immediately enter the bottom in the water tank 1, so that secondary pollution is further prevented.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (3)
1. A municipal sewage treatment device comprises a water tank (1), wherein the water tank (1) is provided with a water inlet (12), a water outlet (13) and a medicine feeding port (11), a water outlet valve (131) is arranged at the water outlet (13), and the municipal sewage treatment device is characterized in that: an inner tank (2) is fixed on the inner wall of the water tank (1), the inner tank (2) is located in the upper space of the water tank (1), a top hole (21) is formed in the top of the inner tank (2), a bottom hole (22) is formed in the bottom of the inner tank (2), a valve (4) for controlling the on-off of the valve is arranged in the bottom hole (22), the inner tank (2) is located below the water inlet (12), and water entering from the water inlet (12) can flow into the inner tank (2) through the top hole (21);
the side wall of the inner box (2) is hinged with a swing rod (3), one end of the swing rod (3) is located in the water tank (1) and is fixedly provided with an outer floating ball (31), the other end of the swing rod (3) is located in the inner box (2) and is fixedly provided with an inner floating ball (32), sealing is established between the swing rod (3) and the inner box (2) through a sealing sleeve (33), and when the outer floating ball (31) is not in contact with water, the inner floating ball (32) swings upwards to the position of a closed top hole (21);
a flow channel (23) is arranged on the top surface of the inner box (2), the flow channel (23) is positioned right below the water inlet (12), the top hole (21) is positioned in the flow channel (23), the diameter of the top hole (21) is not smaller than the width of the flow channel (23), and the end part of the flow channel (23) penetrates through the side wall of the inner box (2);
a sealing plate (321) made of a flexible material is fixed at the top of the inner floating ball (32), and the widths of the sealing plate (321), the flow channel (23) and the top hole (21) are the same; when the inner floating ball (32) moves upwards to close the top hole (21), the sealing plate (321) is inserted into the top hole (21) and the flow channel (23), and the flow channel (23) is divided into two mutually disconnected sections by the sealing plate (321);
the water tank type water tank is characterized in that the valve piece (4) is rod-shaped and can float on the water surface, the valve piece (4) penetrates through the bottom hole (22) and is in sliding connection with the bottom hole (22), sliding sealing is built between the outer wall of the valve piece (4) and the inner wall of the bottom hole (22), a water through groove (43) is formed in the side wall of the valve piece (4), and after the valve piece (4) moves downwards, the water through groove (43) can be located at the bottom hole (22) and can communicate the inner tank (2) and the water tank (1);
the valve piece (4) comprises a floating block (42) positioned in the inner box (2) and a floating rod (41) in sliding connection with the bottom hole (22), a sliding rod (421) is fixed at the bottom of the floating block (42), a sliding hole (411) for the sliding connection of the sliding rod (421) is formed in the top of the floating rod (41), and the water trough (43) is formed in the peripheral part of the sliding rod (421) between the floating block (42) and the floating rod (41);
the water outlet valve (131) is an electromagnetic valve, a first switch (51) for controlling the opening of the water outlet valve (131) is arranged on the inner top wall of the inner box (2), the first switch (51) is positioned right above the floating block (42), and the first switch (51) can be pressed down after the floating block (42) floats upwards; a second switch (52) for controlling the water outlet valve (131) to be closed is arranged in the water tank (1), the second switch (52) is positioned right below the floating rod (41), and the second switch (52) can be pressed down after the floating rod (41) moves downwards; when the water in the water tank (1) is discharged to a certain height, the floating rod (41) moves downwards to the position of pressing the second switch (52), the second switch (52) controls the water outlet valve (131) to be closed, and meanwhile, the top end of the floating rod (41) is separated from the bottom hole (22).
2. The municipal sewage treatment device according to claim 1, wherein: the solar water heater is characterized in that a solar cell panel (6) is arranged at the outer top of the water tank (1), the solar cell panel (6) is electrically connected with a storage battery, the storage battery is electrically connected with the water outlet valve (131), and the storage battery is used for supplying power to the water outlet valve (131).
3. The municipal sewage treatment apparatus of claim 1, wherein: the water tank is characterized in that the size of the cross section of the inner bottom of the water tank (1) is gradually reduced along the downward direction, a sewage discharge pipe (14) is arranged at the outer bottom of the water tank (1), and a sewage discharge valve (141) for controlling the on-off of the sewage discharge pipe (14) is arranged on the sewage discharge pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110293243.9A CN113045040B (en) | 2021-03-19 | 2021-03-19 | Municipal administration sewage treatment plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110293243.9A CN113045040B (en) | 2021-03-19 | 2021-03-19 | Municipal administration sewage treatment plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113045040A CN113045040A (en) | 2021-06-29 |
| CN113045040B true CN113045040B (en) | 2022-08-12 |
Family
ID=76513413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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