CN111265920A - Medical wastewater filtering method - Google Patents
Medical wastewater filtering method Download PDFInfo
- Publication number
- CN111265920A CN111265920A CN202010084433.5A CN202010084433A CN111265920A CN 111265920 A CN111265920 A CN 111265920A CN 202010084433 A CN202010084433 A CN 202010084433A CN 111265920 A CN111265920 A CN 111265920A
- Authority
- CN
- China
- Prior art keywords
- filter screen
- filter
- water
- transmission
- water tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 29
- 239000002351 wastewater Substances 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 230000005540 biological transmission Effects 0.000 claims abstract description 45
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 238000004804 winding Methods 0.000 claims description 17
- 239000010865 sewage Substances 0.000 claims description 9
- 238000004065 wastewater treatment Methods 0.000 claims description 7
- 230000003116 impacting effect Effects 0.000 claims description 2
- 238000004075 wastewater filtration Methods 0.000 claims 1
- 238000004140 cleaning Methods 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 description 10
- 229920000742 Cotton Polymers 0.000 description 5
- 239000002390 adhesive tape Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000009351 contact transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- B01D29/70—Regenerating the filter material in the filter by forces created by movement of the filter element
- B01D29/72—Regenerating the filter material in the filter by forces created by movement of the filter element involving vibrations
-
- 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
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/003—Wastewater from hospitals, laboratories and the like, heavily contaminated by pathogenic microorganisms
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to a medical wastewater filtering method, when a filter screen is not required to be cleaned, the flow of a water inlet and the flow of a water outlet are the same, and the liquid level height in a water filtering tank is unchanged; when the filter screen needs to be cleaned, the flow of the water inlet is larger than that of the water outlet, the liquid level in the water filtering box rises, the filter screen moves upwards, the transmission rod drives the pull rope to take up the line through the gear mechanism and the drum clutch, the pressure spring compresses the stored energy, the filter screen touches the travel switch of the filter screen, the controller controls the drum clutch to break off the transmission between the drum and the rotating shaft, the pressure spring releases the energy, the impact block impacts the filter screen, and sundries on the upper side of the filter screen are discharged through the. The invention provides a medical wastewater filtering method capable of conveniently cleaning sundries on one side of a filter screen.
Description
Technical Field
The invention relates to a medical wastewater filtering method in the field of environmental protection.
Background
The medical sewage contains a large amount of chemical impurities and physical impurities, and when the medical sewage is treated, the physical impurities in the medical sewage are firstly filtered, wherein the physical impurities comprise cotton swabs, adhesive tapes and the like.
Among the prior art, use one to filter the water tank and carry out the filtration of first order to medical sewage usually, filter the water tank and include the filter screen, during the use, medical sewage can be filtered to one side of filter screen through the filtration of filter screen, debris such as cotton swab, the adhesive tape that mix with in sewage water, then regularly clear up physical debris such as cotton swab, the adhesive tape of filter screen one side again. The problem that this kind of filtration water tank in the prior art exists lies in: the sundries such as the cotton swab, the adhesive tape of regularly artifical clearance are very hard to waste time and energy, in addition, with the debris of filter screen contact, produce certain contact force between with the filter screen, difficult clearance is fallen.
Disclosure of Invention
The invention aims to provide a medical wastewater filtering method which can conveniently clean impurities on one side of a filter screen.
The technical scheme of the invention is as follows:
a medical wastewater filtering method comprises treating wastewater by a wastewater treatment device, wherein the wastewater treatment device comprises a filtering water tank with a water inlet at the upper part and a water outlet at the lower part, a filter screen is assembled in the filtering water tank in a vertically-guided moving manner, a floating part for supporting the filter screen on the surface of rainwater is fixed on the filter screen, a vertically-arranged transmission rod is arranged on the upper side of the filter screen, the upper end of the transmission rod penetrates out of the upper side of the filtering water tank, a transmission rack is arranged on the transmission rod, a filter screen travel switch and a sundries outlet are also arranged on the side wall of the filtering water tank and on the upper side of the filter screen, the inner side of the top of the filtering water tank is connected with an impact block for impacting the filter screen through a vertically-arranged pressure spring, the outer side of the top of the filtering water, a reel clutch is arranged on one side of the reel on the rotating shaft, a gear mechanism in transmission connection with the transmission rack is also connected on the rotating shaft, the medical wastewater treatment device also comprises a controller in control connection with the reel clutch, the controller is in signal connection with the filter screen travel switch,
when the filter screen does not need to be cleaned, the flow of the water inlet and the flow of the water outlet are the same, and the liquid level height in the water filtering tank is unchanged;
when the filter screen needs to be cleaned, the flow of the water inlet is larger than that of the water outlet, the liquid level in the water filtering box rises, the filter screen moves upwards, the transmission rod drives the pull rope to take up the line through the gear mechanism and the drum clutch, the pressure spring compresses the stored energy, the filter screen touches the travel switch of the filter screen, the controller controls the drum clutch to break off the transmission between the drum and the rotating shaft, the pressure spring releases the energy, the impact block impacts the filter screen, and sundries on the upper side of the filter screen are discharged through the.
The winding drum clutch is an electromagnetic clutch with a driving disc and a driven disc, the driving disc is fixed on the rotating shaft, and the driven disc is fixed on the winding drum.
The height of the filter screen travel switch is consistent with that of the lowest position of the sundries outlet.
The transmission rod is arranged in a split manner on the filter screen, and the lower end face of the transmission rod is in contact fit with the support of the filter screen.
The gear mechanism comprises a first gear coaxially and fixedly connected with the rotating shaft and a second gear meshed and connected between the first gear and the transmission rack in a transmission manner.
The invention has the beneficial effects that: when the filter screen is not blocked for normal use, the flow of the water inlet and the water outlet is ensured to be consistent, the height of the filter screen is unchanged, the filter screen normally filters large-particle physical impurities, when the filter screen needs to be cleaned after being used for a period of time, the flow of the water inlet is increased, the water level in the filter water tank is increased, the filter screen moves upwards under the action of the buoyancy of the floating component, the transmission rod moves upwards to drive the reel to rotate through the gear mechanism, the reel compresses the pressure spring through the pull rope to store energy, when the height of the filter screen moves to the position of the stroke switch of the filter screen, most of the physical impurities can be directly discharged through the impurity outlet, the controller controls the reel clutch to be disconnected from the transmission with the reel, the reel can rotate relative to the rotating shaft at the moment, the limitation on the pressure spring is equivalently removed, the pressure spring, the filter screen is separated from the physical sundries adhered to the upper side of the filter screen, the separated sundries are discharged through the sundries outlet, and the whole filter screen is very convenient to clean.
Drawings
FIG. 1 is a schematic view showing the construction of a wastewater treatment apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic view of the engagement of the rotating shaft, the spool clutch and the first gear of FIG. 1;
FIG. 3 is a schematic view of the present invention with the spool clutch disengaged.
Detailed Description
An embodiment of a medical wastewater filtering method is shown in figures 1-3: through effluent treatment plant to sewage treatment, effluent treatment plant includes that upper portion is provided with water inlet 12, the lower part is provided with the filter tank 15 of delivery port 18, filter tank 15 includes water tank diapire 19, water tank lateral wall 10 and tank roof 6, and it is equipped with filter screen 16 to follow upper and lower direction removal in the filter tank, is fixed with on the filter screen to be used for supporting the filter screen in the showy part of rainwater surface, in this embodiment, showy part including set up in filter screen bottom foam 17 all around. The transmission rod 13 is vertically arranged on the upper side of the filter screen, the transmission rod 13 and the filter screen 16 are arranged in a split mode, the lower end face of the transmission rod 13 is in supporting contact fit with the filter screen 16, and the upper end of the transmission rod 13 is in guiding movable fit with the top wall 6 of the water tank along the up-down direction.
The upper end of the transmission rod 13 penetrates out of the upper side of the filter water tank, and a transmission rack 11 is arranged on the transmission rod. A filter screen travel switch 14 and a sundries outlet 9 are arranged on the upper side of the filter screen on the side wall of the water tank, and the height of the filter screen travel switch 14 is the same as that of the lowest position of the sundries outlet 9. The inboard of water tank roof 6 is connected with the striking piece 8 that is used for striking filter screen 16 upper end through vertical arrangement's pressure spring 7, and the top outside of crossing water tank rotates through backup pad 24 around through and is equipped with axis of rotation 4 that the axis of rotation extends along the fore-and-aft direction, and the cover is connected with reel 23 on the axis of rotation 4, and the winding has the stay cord 5 that links to each other with the striking piece on the reel. The rotating shaft 4 is provided with a winding drum clutch 20 on one side of the winding drum, in the embodiment, the winding drum clutch is an electromagnetic clutch in normal close, and comprises a driving disc 21 fixed on the rotating shaft and a driven disc 22 capable of moving along the axial direction of the rotating shaft, the driven disc 22 is fixed on the winding drum 23, when the driving disc 21 and the driven disc 22 are not electrified, the driven disc 22 and the driving disc 21 are in friction contact transmission, the driven disc 22 and the driving disc 21 rotate synchronously, when the driving disc 22 and the driving disc 21 are electrified, the driven disc 22 is separated, and the driven disc 21 and the winding drum 23 can rotate relative to the rotating shaft 4. The winding drum is provided with a winding drum handrail 2 which is held by an operator and inputs torque to the winding drum.
The rotating shaft is also connected with a gear mechanism in transmission connection with the transmission rack, the medical sewage treatment device also comprises a controller in control connection with the reel clutch, and the controller is in signal connection with the filter screen travel switch. The gear mechanism comprises a first gear 3 coaxially and fixedly connected with the rotating shaft and a second gear 1 connected between the first gear 3 and the transmission rack 11 in an engagement transmission manner.
When the filter screen does not need to be cleaned, the flow of the water inlet and the flow of the water outlet are the same, and the liquid level height in the water filtering tank is unchanged;
when the filter screen needs to be cleaned, the flow of the water inlet is larger than that of the water outlet, the liquid level in the water filtering box rises, the filter screen moves upwards, the transmission rod drives the pull rope to take up the line through the gear mechanism and the drum clutch, the pressure spring compresses the stored energy, the filter screen touches the travel switch of the filter screen, the controller controls the drum clutch to break off the transmission between the drum and the rotating shaft, the pressure spring releases the energy, the impact block impacts the filter screen, and sundries on the upper side of the filter screen are discharged through the.
The physical impurities in the invention refer to visible impurities, and for medical wastewater, refer to adhesive tapes, cotton swabs and the like, when the medical wastewater is used normally, the flow rates of a water inlet and a water outlet are consistent, the liquid level in a filter tank is not changed, when the medical wastewater is used for a period of time and the upper side of a filter screen needs to be cleaned, the flow rate of the water inlet is higher than that of the water outlet, the liquid level in the filter tank rises, under the action of buoyancy, the filter screen moves upwards and is pushed by the filter screen, a transmission rack on the transmission rod drives a reel clutch to rotate through a gear mechanism, the reel clutch drives a reel to rotate to take up a pull rope, a spring is compressed to store energy, when the filter screen moves to a filter screen stroke switch, a controller collects the signal, the reel clutch is electrified, a driven disc of the reel clutch is separated from a driving disc, the pressure, the impact block impacts the filter screen at the sundries outlet downwards, the filter screen is separated from the sundries at the upper side under the impact inertia effect, and the separated sundries are flushed out through the sundries outlet to finish the cleaning of the filter screen. The filter screen and the transmission rod are arranged in a split mode, when the filter screen is impacted by the impact block, the transmission rod cannot transmit the impact energy to the gear mechanism, and therefore gears of the gear mechanism can be effectively protected. When the filter screen is cleaned, the rope winding operation of the winding drum is manually carried out, and the controller controls the winding drum clutch to be powered off, so that the winding drum can be normally practical.
Claims (5)
1. A medical wastewater filtering method is characterized in that: the sewage is treated by the wastewater treatment device, the wastewater treatment device comprises a filter water tank, the upper part of the filter water tank is provided with a water inlet, the lower part of the filter water tank is provided with a water outlet, a filter screen is assembled in the filter water tank in a guiding and moving way along the vertical direction, a floating part for supporting the filter screen on the surface of rainwater is fixed on the filter screen, the upper side of the filter screen is provided with a vertically arranged transmission rod, the upper end of the transmission rod penetrates out of the upper side of the filter water tank, a transmission rack is arranged on the transmission rod, a filter screen travel switch and a sundries outlet are also arranged on the side wall of the filter water tank on the upper side of the filter screen, the inner side of the top of the filter water tank is connected with an impact block for impacting the filter screen through a vertically arranged pressure spring, the outer side of the top, the rotating shaft is also connected with a gear mechanism in transmission connection with the transmission rack, the medical wastewater treatment device also comprises a controller in control connection with the reel clutch, the controller is in signal connection with the filter screen travel switch,
when the filter screen does not need to be cleaned, the flow of the water inlet and the flow of the water outlet are the same, and the liquid level height in the water filtering tank is unchanged;
when the filter screen needs to be cleaned, the flow of the water inlet is larger than that of the water outlet, the liquid level in the water filtering box rises, the filter screen moves upwards, the transmission rod drives the pull rope to take up the line through the gear mechanism and the drum clutch, the pressure spring compresses the stored energy, the filter screen touches the travel switch of the filter screen, the controller controls the drum clutch to break off the transmission between the drum and the rotating shaft, the pressure spring releases the energy, the impact block impacts the filter screen, and sundries on the upper side of the filter screen are discharged through the.
2. The medical wastewater filtering method according to claim 1, characterized in that: the winding drum clutch is an electromagnetic clutch with a driving disc and a driven disc, the driving disc is fixed on the rotating shaft, and the driven disc is fixed on the winding drum.
3. The medical wastewater filtering method according to claim 1, characterized in that: the height of the filter screen travel switch is consistent with that of the lowest position of the sundries outlet.
4. The medical wastewater filtering method according to claim 1, characterized in that: the transmission rod is arranged in a split manner on the filter screen, and the lower end face of the transmission rod is in contact fit with the support of the filter screen.
5. The medical wastewater filtration method according to any one of claims 1 to 5, characterized in that: the gear mechanism comprises a first gear coaxially and fixedly connected with the rotating shaft and a second gear meshed and connected between the first gear and the transmission rack in a transmission manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010084433.5A CN111265920A (en) | 2020-02-10 | 2020-02-10 | Medical wastewater filtering method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010084433.5A CN111265920A (en) | 2020-02-10 | 2020-02-10 | Medical wastewater filtering method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111265920A true CN111265920A (en) | 2020-06-12 |
Family
ID=70993773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010084433.5A Withdrawn CN111265920A (en) | 2020-02-10 | 2020-02-10 | Medical wastewater filtering method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111265920A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111672175A (en) * | 2020-06-30 | 2020-09-18 | 河南沃海水务有限公司 | Sewage treatment device |
| CN111686493A (en) * | 2020-06-30 | 2020-09-22 | 河南沃海水务有限公司 | Municipal administration sewage filter equipment |
| CN111921299A (en) * | 2020-07-13 | 2020-11-13 | 阜阳耀鑫技术服务有限公司 | Dust treatment device of bucket elevator |
| CN112125187A (en) * | 2020-09-23 | 2020-12-25 | 冯耀明 | Energy-saving balance lifter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106630097A (en) * | 2016-11-16 | 2017-05-10 | 刘运华 | Industrial wastewater catalytic oxidation equipment based on Internet of Things |
| CN206543468U (en) * | 2017-03-16 | 2017-10-10 | 交通运输部天津水运工程科学研究所 | A kind of energy-saving polluted water pretreatment apparatus of ship |
| CN108815907A (en) * | 2018-06-29 | 2018-11-16 | 河南可研企业管理咨询有限公司 | Hydraulic engineering filter device |
| US20190072058A1 (en) * | 2017-09-04 | 2019-03-07 | Toyota Boshoku Kabushiki Kaisha | Air cleaner case |
| CN208684666U (en) * | 2018-07-03 | 2019-04-02 | 三明英威尔环保科技有限公司 | A kind of purifying domestic sewage processing equipment |
-
2020
- 2020-02-10 CN CN202010084433.5A patent/CN111265920A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106630097A (en) * | 2016-11-16 | 2017-05-10 | 刘运华 | Industrial wastewater catalytic oxidation equipment based on Internet of Things |
| CN206543468U (en) * | 2017-03-16 | 2017-10-10 | 交通运输部天津水运工程科学研究所 | A kind of energy-saving polluted water pretreatment apparatus of ship |
| US20190072058A1 (en) * | 2017-09-04 | 2019-03-07 | Toyota Boshoku Kabushiki Kaisha | Air cleaner case |
| CN108815907A (en) * | 2018-06-29 | 2018-11-16 | 河南可研企业管理咨询有限公司 | Hydraulic engineering filter device |
| CN208684666U (en) * | 2018-07-03 | 2019-04-02 | 三明英威尔环保科技有限公司 | A kind of purifying domestic sewage processing equipment |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111672175A (en) * | 2020-06-30 | 2020-09-18 | 河南沃海水务有限公司 | Sewage treatment device |
| CN111686493A (en) * | 2020-06-30 | 2020-09-22 | 河南沃海水务有限公司 | Municipal administration sewage filter equipment |
| CN111921299A (en) * | 2020-07-13 | 2020-11-13 | 阜阳耀鑫技术服务有限公司 | Dust treatment device of bucket elevator |
| CN112125187A (en) * | 2020-09-23 | 2020-12-25 | 冯耀明 | Energy-saving balance lifter |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200612 |
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| WW01 | Invention patent application withdrawn after publication |