CN113144694A - Closed self-cleaning sewage pretreatment grid machine - Google Patents
Closed self-cleaning sewage pretreatment grid machine Download PDFInfo
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- CN113144694A CN113144694A CN202110247101.9A CN202110247101A CN113144694A CN 113144694 A CN113144694 A CN 113144694A CN 202110247101 A CN202110247101 A CN 202110247101A CN 113144694 A CN113144694 A CN 113144694A
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- 239000010865 sewage Substances 0.000 title claims abstract description 78
- 238000004140 cleaning Methods 0.000 title claims abstract description 56
- 239000007788 liquid Substances 0.000 claims abstract description 111
- 239000002893 slag Substances 0.000 claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 230000005484 gravity Effects 0.000 claims description 14
- 238000005406 washing Methods 0.000 claims description 4
- 238000000746 purification Methods 0.000 claims description 2
- 238000001914 filtration Methods 0.000 abstract description 21
- 239000011550 stock solution Substances 0.000 abstract description 18
- 230000002265 prevention Effects 0.000 abstract description 12
- 239000000243 solution Substances 0.000 abstract description 11
- 241000700605 Viruses Species 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 11
- 230000009471 action Effects 0.000 description 10
- 238000005265 energy consumption Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000006872 improvement Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000711573 Coronaviridae Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002026 carminative effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000009290 primary effect Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
- B01D29/035—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting with curved filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/90—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for feeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/92—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging filtrate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/001—Filters in combination with devices for the removal of gas, air purge systems
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention discloses a closed self-cleaning sewage pretreatment grid machine, which comprises a separator body and a grid body with a closed structure, wherein the grid body is obliquely arranged in the separator body, an inner cavity of the separator body is divided into a stock solution cavity and a purified solution cavity, the stock solution cavity is positioned obliquely below the purified solution cavity, the stock solution cavity is communicated with a liquid inlet and a slag outlet, the purified solution cavity is communicated with the liquid outlet, and an opening and closing valve is arranged at the slag outlet. The grating body adopts a downward concave type, an upward convex type or an inclined plate type grating filter body. The invention forms the stock solution cavity and the liquid purifying cavity which are arranged in a staggered way by arranging the closed separator main body and the grating main body in the closed separator main body, and integrally forms the closed flow path for filtering the sewage to be treated from the stock solution cavity to the liquid purifying cavity, thereby avoiding the problem of secondary propagation of virus hazard sources. And a cleaning control mechanism is arranged, so that the self-cleaning function of the grating machine can be realized. The grating machine is a grating device which is suitable for the epidemic situation prevention and control requirement and is used for pretreating sewage raw water containing a dangerous pollution source.
Description
Technical Field
The invention relates to the field of sewage treatment, in particular to a closed self-cleaning sewage pretreatment grid machine.
Background
The prevention and control requirements of the epidemic situation can not be met by the grid primary-effect filtering equipment adopted by the drainage treatment and building regenerated water pretreatment facilities of the existing medical institutions aiming at the prevention and control of the novel coronavirus epidemic situation.
The existing gratings (mechanical gratings, rotary gratings, drum gratings and brushed grating gratings) and hydraulic sieves comprise a device body, grating strips, a cleaning toothed harrow, a speed reducer, a water baffle (strip), a grating slag collecting device, a chain and other transmission mechanisms and an electric control part. The equipment has the advantages of complex structure, high cost, complex management and maintenance and need of regular maintenance. More importantly, the existing equipment is usually in an open structure form, and separated grid slag is conveyed to a grid slag pool by a grid slag barrel and a grid slag collecting vehicle manually or by a screw conveyor. For sewage containing dangerous sources (such as medical wastewater and the like), the dangerous sources can be secondarily spread along with air and grid slag, and the prevention and control requirements of epidemic situations cannot be met. If the existing equipment is required to be modified, the existing grid ditch needs to be modified in a closed mode, and due to the limitation of the slag discharge function of the existing grid device and the limitation of regular inspection and maintenance of the grid machine, the modification is not feasible. The existing method is to seal and isolate the position of the grid channel, and design the treatment machine room into negative pressure isolated emergency isolation through air supply and exhaust transformation.
It is therefore evident that the above-mentioned conventional grid processing apparatus, in terms of structure, method and use, still has the inconvenience and drawbacks, and further improvements are desired. How to create a new closed self-cleaning sewage pretreatment grid machine, the realization that makes its simple structure, with low costs is handled the sewage that contains virus danger source to it can satisfy epidemic situation prevention and control requirement, can also realize the self-cleaning function of zero energy consumption, becomes the current industry and extremely needs the modified target.
Disclosure of Invention
The invention aims to solve the technical problem of providing a closed self-cleaning sewage pretreatment grid machine, which has a simple structure and low cost, realizes the treatment of sewage containing virus hazard sources, can meet the epidemic situation prevention and control requirements, and can realize a self-cleaning function with zero energy consumption, thereby overcoming the defects of the existing grid treatment equipment.
In order to solve the technical problem, the invention provides a closed self-cleaning sewage pretreatment grid machine which comprises a separator body and a grid body, wherein the separator body is of a closed structure, the grid body is obliquely arranged in the separator body to divide an inner cavity of the separator body into a stock solution cavity and a clean solution cavity, the stock solution cavity is positioned obliquely below the clean solution cavity, the stock solution cavity is communicated with a liquid inlet and a slag outlet on the separator body, an opening and closing valve is arranged at the slag outlet, the clean solution cavity is communicated with a liquid outlet on the separator body, and the liquid outlet is communicated with a collecting and storing pool.
The improved structure is characterized in that the liquid inlet is positioned on the side surface of the stock solution cavity, the slag hole is positioned on the bottom surface or the lower part of the side surface of the stock solution cavity, and the stock solution is input by the liquid inlet in a pressure flow mode.
Further improve, the slag notch is located the bottom surface or the side lower part in stoste chamber, the inlet is located the upper portion of stoste chamber side, just the elevation of inlet is higher than the elevation of liquid outlet, the inlet adopts gravity flow mode input stoste.
In a further improvement, the bottom surface of the stock solution cavity is arranged to be a slope surface inclined towards the slag outlet.
Further improved, the grid body adopts a concave grid filter body, an convex grid filter body or an inclined plate type grid filter body.
The improved separator is further improved by comprising an air inlet breather valve and an air exhaust gas collecting hood which are arranged at the top of the separator body, wherein the air inlet breather valve and the air exhaust gas collecting hood are both communicated with the liquid purifying cavity.
Or the collecting and storing tank is a closed collecting and storing tank, and the top of the closed collecting and storing tank is provided with an air inlet breather valve and an exhaust gas collecting hood.
In a further improvement, the liquid outlet is arranged at the upper position of the middle part of the liquid purifying cavity.
In a further improvement, the grid machine further comprises a cleaning control mechanism which is connected with the starting valve and controls the starting valve to be opened and closed, the cleaning control mechanism is used for controlling the starting valve to be opened and closed and simultaneously controlling the liquid inlet to stop feeding liquid, so that the liquid in the liquid purifying cavity reversely passes through the grid body and then flows out from the slag outlet, and the self-cleaning function of the grid body is realized.
The valve is further improved by adopting an electric valve, a pneumatic valve, a hydraulic valve or a diaphragm valve.
After adopting such design, the invention has at least the following advantages:
1. the closed self-cleaning sewage pretreatment grid machine is provided with the closed separator main body and the grid main body arranged in the closed self-cleaning sewage pretreatment grid machine, the inner cavity of the separator main body is divided into a stock solution cavity positioned at the lower oblique side and a clear solution cavity positioned at the upper oblique side, and the closed collecting and storing pool connected with the liquid outlet of the closed self-cleaning sewage pretreatment grid machine is further provided, so that the whole body forms a closed flow path for filtering the sewage to be treated from the stock solution cavity to the clear solution cavity and finally flowing into the collecting and storing pool, the problem of secondary propagation of virus hazard sources in the treatment process caused by the existing open grid structure is avoided, and the epidemic situation prevention and control requirements are met.
2. Still set the elevation of inlet to be higher than the liquid outlet elevation, make this inlet adopt gravity flow mode input stoste, more simple and convenient realization sewage's processing filters, and the energy consumption is few.
3. Still through setting up the liquid outlet at the middle part of clean liquid chamber position on the upper side, make and remain a quantitative filtered liquid in the clean liquid chamber all the time to make the slag notch set up in former liquid chamber bottom surface, can realize utilizing the gravity of filtering liquid in the clean liquid chamber to the backwash of grid body, realize the self-cleaning of this grid machine and the organized collection function of grid sediment, zero energy consumption, energy-concerving and environment-protective, and simple structure, it is convenient to control.
4. And the inclined downward grid filter body, the upward grid filter body or the inclined plate grid filter body are adopted, so that the inclination angle is utilized, the filtering area of the grid is enlarged, and the filtering efficiency is improved.
5. Still through setting up the breather valve of admitting air and exhaust gas collecting channel, can realize that this grid machine is whole to be in the exhaust when airtight state, guarantee the normal operating of this grid machine under the ordinary pressure operating mode to and guarantee to the carminative collection in the sewage treatment process, satisfy epidemic situation prevention and control requirement. The invention discloses a closed self-cleaning sewage pretreatment grid machine, which is a sewage pretreatment grid machine suitable for epidemic prevention and control.
6. Still through setting up washing control mechanism, the reverse flow of control clean liquid cavity liquid that can be convenient realizes the self-cleaning function to the grid body, and degree of automation is high.
Drawings
The foregoing is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description.
Fig. 1 is a schematic structural view of a first embodiment of a closed self-cleaning sewage pretreatment grid machine according to the present invention.
Fig. 2 is another schematic structural view of a first embodiment of the closed self-cleaning sewage pretreatment grid machine of the present invention.
Fig. 3 is a schematic structural view of a second embodiment of the closed self-cleaning sewage pretreatment grid machine of the present invention.
Fig. 4 is a schematic structural view of a third embodiment of the closed type self-cleaning sewage pretreatment grid machine of the present invention.
Fig. 5 is a schematic structural view of a fourth embodiment of the closed type self-cleaning sewage pretreatment grid machine of the present invention.
Fig. 6 is a schematic structural view of a fifth embodiment of the closed type self-cleaning sewage pretreatment grid machine of the present invention.
Fig. 7 is a schematic structural view of a sixth embodiment of the closed type self-cleaning sewage pretreatment grid machine of the present invention.
Fig. 8 is a schematic structural view of a seventh embodiment of the closed type self-cleaning sewage pretreatment grid machine of the present invention.
Fig. 9 is a schematic structural view of an eighth embodiment of the closed type self-cleaning sewage pretreatment grid machine of the present invention.
Fig. 10 is a schematic structural view of a ninth embodiment of the closed type self-cleaning sewage pretreatment grid machine of the present invention.
Fig. 11 is a schematic structural view of a closed type self-cleaning sewage pretreatment grid machine according to a tenth embodiment of the present invention.
Fig. 12 is a schematic structural view of an eleventh embodiment of the closed type self-cleaning sewage pretreatment grid machine of the present invention.
Fig. 13 is a schematic structural view of a twelfth embodiment of the closed self-cleaning sewage pretreatment grid machine of the present invention.
Detailed Description
Example one
Referring to fig. 1, the closed self-cleaning sewage pretreatment grid machine of the embodiment comprises a separator body 1 and a grid body 2 which are of a closed structure, wherein the grid body 2 is obliquely arranged inside the separator body 1 and is used for dividing an inner cavity of the separator body 1 into a stock solution cavity 3 and a clean solution cavity 4. The stock solution chamber 3 is located obliquely below the liquid purification chamber 4. The stock solution cavity 3 is communicated with a liquid inlet 11 and a slag hole 12 on the separator body 1, and an opening and closing valve 14 is arranged at the slag hole 12. The on-off valve 14 controls the sludge filtered by the grating body to be discharged into the grating slag pool 5. This net liquid chamber 4 communicates with the liquid outlet 13 on the separator body 1, and this liquid outlet 13 is connected to the reservoir 6 through the drain pipe 15.
In this embodiment, the liquid inlet 11 is located at the lower part of the side surface of the raw liquid cavity 3, and the slag outlet 12 is located on the bottom surface of the raw liquid cavity 3. At this moment, the liquid inlet 11 inputs the stock solution in a pressure flow mode, namely, the sewage enters from the liquid inlet 11 under the action of pressure, and is discharged to the collecting and storing tank 6 from the liquid outlet 13 after being filtered by the grating main body 2, so that the closed type filtering pretreatment of the sewage to be treated is realized.
This grid body 2 adopts recessed formula grid filter body in this embodiment, can enlarge grid filter area, and the jam of grid can also be avoided in the tilting setting, improves filtration efficiency.
The grid machine of pretreatment of sewage of this embodiment is through the closed filtration control to sewage through the grid process, is still convenient for collect, centralized management, concentrated killing through the collection of holding pond 6 and grid slag bath 5 respectively to the drainage after handling and waste residue, can prevent the secondary propagation of the danger source that contains in the sewage, satisfies epidemic situation prevention and control demand.
In order to ensure the normal operation of the grid machine under the normal pressure working condition, the grid machine is also provided with an exhaust gas collecting hood 7 and an air inlet breather valve 8. In this embodiment, the exhaust gas-collecting hood 7 and the intake breather valve 8 are disposed at the top of the separator body 1, and both communicate with the liquid-purifying chamber 4. Therefore, the smooth circulation of gas in the process of filtering sewage by the grating is facilitated, and the centralized collection of exhaust gas is ensured. And when the liquid outlet pipe 15 adopts a gravity outflow mode of non-full pipe flow, the collecting and storing tank 6 can adopt a closed structure, the closed collecting and storing tank 6 and the separator body 1 can share the air inlet and exhaust mechanism, and the collecting and storing tank 6 does not need to be additionally provided with the air inlet and exhaust mechanism. Therefore, the structure can meet the epidemic situation prevention and control requirement and can ensure that the grating machine can normally run under the normal pressure working condition.
Of course, the air inlet and exhaust mechanism can also be arranged at the top of the closed type collecting and accumulating tank and used for collecting the gas generated after being filtered by the grating body in a centralized manner, and the normal operation of the grating machine under the normal pressure working condition can also be ensured, as shown in the attached figure 2.
In this embodiment, the liquid outlet 13 is disposed at a position above the middle of the liquid purifying chamber 4 to ensure that a certain amount of filtered liquid is kept in the liquid purifying chamber, so as to be used for the self-cleaning function of the sewage pretreatment grid machine. If the self-cleaning function needs to be implemented, the liquid inlet 11 stops feeding liquid, the opening and closing valve at the slag hole 12 is opened, so that the liquid kept in the liquid purifying cavity 4 reversely passes through the grating main body 2 under the action of gravity, and the back flushing liquid can be directly discharged from the slag hole 12 and enters the grating slag pool, thereby realizing the self-cleaning function of zero energy consumption of the grating machine.
In order to improve the automation control of the grid machine, the on-off valves at the liquid inlet 11 and the slag outlet 12 are automatically controlled, such as electric valves, pneumatic valves, liquid-operated valve diaphragm valves, etc., and the grid machine for sewage pretreatment further comprises a cleaning control mechanism which is connected with the on-off valves at the liquid inlet 11 and the slag outlet 12 and controls the on-off of the on-off valves. This washing control mechanism is used for controlling the on-off valve of slag notch 12 department and opens, and the on-off valve of controlling inlet 11 department simultaneously closes, makes the liquid in net liquid chamber 4 reverse through grid body 2, then flows out from slag notch 12, realizes grid body 2's regularly self-cleaning function, improves automated control.
Example two
The difference between this embodiment and the first embodiment is that, referring to fig. 3, the liquid inlet 21 and the slag outlet 22 are located at the lower part of the side surface of the raw liquid chamber 3, and the slag outlet 22 is located below the liquid inlet 21. Similarly, sewage enters from the liquid inlet 21 under the action of pressure, is discharged from the liquid outlet 23 after being filtered by the grating main body 2, and the filtering pretreatment of the sewage to be treated is realized.
In a further improvement, the bottom surface of the raw liquid cavity 3 in the embodiment is provided with a slope surface 24 inclined towards the slag outlet 22, so that waste slag can be smoothly discharged from the slag outlet.
The structure of other parts of this embodiment and the technical effects achieved are the same as those of the first embodiment, and are not described herein again.
EXAMPLE III
The difference between the first embodiment and the second embodiment is that, referring to fig. 4, the liquid inlet 31 is located at the upper portion of the side surface of the raw liquid cavity 3, and the elevation hj of the liquid inlet 31 is higher than the elevation hc of the liquid outlet 33, so that the raw liquid is input into the liquid inlet 31 in a gravity flow manner, that is, after entering from the liquid inlet 31, sewage can be discharged from the liquid outlet 33 after being filtered by the grid main body 2 under the action of gravity, and thus, the filtration pretreatment of the sewage to be treated is realized.
The structure of other parts of this embodiment and the technical effects achieved are the same as those of the first embodiment, and are not described herein again.
Example four
The difference between this embodiment and the second embodiment is that, referring to fig. 5, in this embodiment, the liquid inlet 41 is located at the upper portion of the side surface of the raw liquid cavity 3, the slag outlet 42 is located at the lower portion of the side surface of the raw liquid cavity 3, and the elevation hj of the liquid inlet 41 is higher than the elevation hc of the liquid outlet 43, so that the liquid inlet 41 inputs the raw liquid in a gravity flow manner, that is, after sewage enters from the liquid inlet 41, under the action of gravity, the sewage can be discharged from the liquid outlet 43 after being filtered by the grating main body 2, thereby realizing the filtration pretreatment of the sewage to be treated.
The structure of other parts of this embodiment and the technical effects achieved are the same as those of the embodiment, and are not described herein again.
The fifth embodiment is different from the first embodiment in that the grill body 2 of the present embodiment employs an upward projecting grill filter as shown in fig. 6. The sewage can be discharged from the liquid outlet 53 after entering from the liquid inlet 51 under the pressure and being filtered by the upward convex grid filter, so that the filtration pretreatment of the sewage to be treated can be realized.
The structure of other parts of this embodiment and the technical effects achieved are the same as those of the first embodiment, and are not described herein again.
The sixth embodiment is different from the second embodiment in that, referring to fig. 7, the grill main body 2 of the present embodiment employs an upward projecting grill filter. And sewage can be discharged from the liquid outlet 63 after entering from the liquid inlet 61 under the pressure and being filtered by the upward convex grid filter body, so that the filtration pretreatment of the sewage to be treated is realized.
The structure of other parts of this embodiment and the technical effects achieved are the same as those of the embodiment, and are not described herein again.
The seventh embodiment is different from the third embodiment in that, referring to fig. 8, the grill main body 2 of the present embodiment employs an upward protruding grill filter. The sewage can be discharged from the liquid outlet 73 after entering from the liquid inlet 71 and being filtered by the upward convex grid filter under the action of gravity, so that the filtration pretreatment of the sewage to be treated can be realized.
The structure of other parts of this embodiment and the technical effects achieved are the same as those of this embodiment, and are not described herein again.
The eighth embodiment is different from the fourth embodiment in that the grill body 2 of the present embodiment employs an upward projecting grill filter as shown in fig. 9. And sewage can be discharged from the liquid outlet 83 after entering from the liquid inlet 81 and being filtered by the upward-convex type grating filter body under the action of gravity, so that the filtration pretreatment of the sewage to be treated is realized.
The structure of other parts of this embodiment and the technical effects achieved are the same as those of the fourth embodiment, and are not described herein again.
The ninth embodiment is different from the first embodiment in that, referring to fig. 10, the grill main body 2 of the present embodiment is a slant plate type grill filter. And sewage can be discharged from the liquid outlet 93 after entering from the liquid inlet 91 under the action of pressure and being filtered by the inclined plate type grating filter body, so that the filtration pretreatment of the sewage to be treated is realized.
The structure of other parts of this embodiment and the technical effects achieved are the same as those of the first embodiment, and are not described herein again.
The tenth embodiment is different from the second embodiment in that, referring to fig. 11, the grill main body 2 in the present embodiment is a slant plate type grill filter. The sewage can be discharged from the liquid outlet 103 after entering from the liquid inlet 101 under the pressure and being filtered by the inclined plate type grating filter body, so that the filtration pretreatment of the sewage to be treated can be realized.
The structure of other parts of this embodiment and the technical effects achieved are the same as those of the embodiment, and are not described herein again.
The difference between the eleventh embodiment and the third embodiment is that, referring to fig. 12, the grill main body 2 in the present embodiment is a slant plate type grill filter. And sewage can be discharged from the liquid outlet 113 after entering from the liquid inlet 111 and being filtered by the inclined plate type grating filter body under the action of gravity, so that the filtration pretreatment of the sewage to be treated is realized.
The structure of other parts of this embodiment and the technical effects achieved are the same as those of this embodiment, and are not described herein again.
The twelfth embodiment is different from the fourth embodiment in that, referring to fig. 13, the grill main body 2 of the present embodiment is a slant plate type grill filter. And sewage can be discharged from the liquid outlet 123 after entering from the liquid inlet 121 and being filtered by the inclined plate type grating filter body under the action of gravity, so that the filtering pretreatment of the sewage to be treated is realized.
The structure of other parts of this embodiment and the technical effects achieved are the same as those of the fourth embodiment, and are not described herein again.
The closed self-cleaning sewage pretreatment grid machine is arranged through the closed structure main body, so that dangerous sources contained in sewage are easily collected and treated in a centralized manner through the liquid outlet, the slag outlet and the exhaust port, secondary pollution of the dangerous sources is avoided, and epidemic prevention and control requirements can be met.
This grid machine is still through the position setting to former sap cavity and clean sap cavity to and the position setting of inlet, liquid outlet and slag notch, can easily realize the self-cleaning function of zero energy consumption, still through the setting of washing control mechanism, can realize self-cleaning and arrange the sediment, and control is extremely simple, and degree of automation is high.
This application grid machine simple structure, easy to maintain, with low costs, and can realize the operation of zero energy consumption self-cleaning, still need not to set up independent grid canal or grid within a definite time, easily carry out the alternative transformation to current grid equipment, its cost will reduce about 80% than the cost of traditional grid equipment.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention in any way, and it will be apparent to those skilled in the art that the above description of the present invention can be applied to various modifications, equivalent variations or modifications without departing from the spirit and scope of the present invention.
Claims (10)
1. The utility model provides a closed from washing sewage pretreatment grid machine, a serial communication port, separator body and grid body including closed structure, the setting of grid body slope is in inside the separator body, will former sap cavity and clean sap cavity are separated into to separator body inner chamber, former sap cavity is located the oblique below in clean sap cavity, former sap cavity with inlet and slag notch intercommunication on the separator body, slag notch department is equipped with the on-off valve, clean sap cavity with liquid outlet intercommunication on the separator body, the liquid outlet is used for and holds the pond intercommunication with the collection.
2. The enclosed self-cleaning sewage pretreatment grid machine of claim 1, wherein the liquid inlet is located on a side surface of the stoste chamber, the slag outlet is located on a bottom surface or a lower portion of the side surface of the stoste chamber, and the liquid inlet inputs stoste in a pressure flow manner.
3. The enclosed self-cleaning sewage pretreatment grid machine of claim 1, wherein the slag outlet is located at the bottom or lower side of the raw liquid cavity, the liquid inlet is located at the upper portion of the side of the raw liquid cavity, and the elevation of the liquid inlet is higher than the elevation of the liquid outlet, and the liquid inlet adopts a gravity flow mode to input the raw liquid.
4. The enclosed self-cleaning sewage pretreatment grid machine of claim 1, wherein a bottom surface of the stoste chamber is provided as a slope surface inclined toward the slag outlet.
5. The closed type self-cleaning sewage pretreatment grid machine according to claim 1, wherein the grid body is a concave grid filter body, an convex grid filter body or a slant plate grid filter body.
6. The closed self-cleaning sewage pretreatment grid machine of claim 1, further comprising an intake breather valve and an exhaust gas collection hood disposed at the top of the separator body, both the intake breather valve and the exhaust gas collection hood being in communication with the clean liquid chamber.
7. The closed self-cleaning sewage pretreatment grid machine of claim 1, wherein the collection and storage tank is a closed collection and storage tank, and an air inlet breather valve and an exhaust gas collection hood are arranged at the top of the closed collection and storage tank.
8. The enclosed self-cleaning sewage pretreatment grid machine of any one of claims 1 to 7, wherein the liquid outlet is disposed at a position above a middle portion of the liquid purification chamber.
9. The closed type self-cleaning sewage pretreatment grid machine according to claim 8, further comprising a cleaning control mechanism connected with the start valve and controlling the start and stop of the start valve, wherein the cleaning control mechanism is used for controlling the start valve to open and stop the liquid inlet, so that the liquid in the liquid purifying cavity reversely passes through the grid body and then flows out from the slag outlet, and the self-cleaning function of the grid body is realized.
10. The closed self-cleaning sewage pretreatment grid machine of claim 9, wherein the opening and closing valve is an electrically operated valve, a pneumatically operated valve, a hydraulic valve or a diaphragm valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110247101.9A CN113144694A (en) | 2021-03-05 | 2021-03-05 | Closed self-cleaning sewage pretreatment grid machine |
Applications Claiming Priority (1)
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