CN210656318U - Automatic dosing system for sewage treatment - Google Patents
Automatic dosing system for sewage treatment Download PDFInfo
- Publication number
- CN210656318U CN210656318U CN201920400852.8U CN201920400852U CN210656318U CN 210656318 U CN210656318 U CN 210656318U CN 201920400852 U CN201920400852 U CN 201920400852U CN 210656318 U CN210656318 U CN 210656318U
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- storage tank
- medicine storage
- medicine
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- liquid
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- 239000010865 sewage Substances 0.000 title claims abstract description 23
- 239000003814 drug Substances 0.000 claims abstract description 157
- 239000007788 liquid Substances 0.000 claims abstract description 68
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 230000007704 transition Effects 0.000 claims description 28
- 238000003756 stirring Methods 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 5
- 239000003153 chemical reaction reagent Substances 0.000 claims description 3
- 238000004065 wastewater treatment Methods 0.000 claims 9
- 238000002360 preparation method Methods 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 5
- 239000000843 powder Substances 0.000 abstract description 3
- 229940079593 drug Drugs 0.000 description 9
- 239000000126 substance Substances 0.000 description 5
- 238000005192 partition Methods 0.000 description 4
- 239000012425 OXONE® Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- HJKYXKSLRZKNSI-UHFFFAOYSA-I pentapotassium;hydrogen sulfate;oxido sulfate;sulfuric acid Chemical compound [K+].[K+].[K+].[K+].[K+].OS([O-])(=O)=O.[O-]S([O-])(=O)=O.OS(=O)(=O)O[O-].OS(=O)(=O)O[O-] HJKYXKSLRZKNSI-UHFFFAOYSA-I 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003064 anti-oxidating effect Effects 0.000 description 1
- 238000010170 biological method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The utility model belongs to the technical field of sewage treatment, in particular to an automatic dosing system for sewage treatment, which comprises a medicine storage tank, a quantitative dosing device and a dosing device; the medicine storage tank is connected with a water inlet pipe, the water inlet pipe is provided with an electromagnetic stop valve, a liquid level meter is arranged in the medicine storage tank, the whole medicine storage tank is of a closed structure, the medicine storage tank is provided with a vent communicated with the atmosphere, the quantitative medicine feeding device is positioned above the medicine storage tank, a medicine outlet of the quantitative medicine feeding device is communicated with the medicine storage tank, and the medicine feeding device is communicated with the medicine storage tank and used for conveying liquid medicine to a sewage pool; the quantitative dosing device, the electromagnetic stop valve, the liquid level meter and the dosing device are all electrically connected with the automatic control module. The utility model arranges the medicine storage tank into a closed structure, which avoids the excessive contact between the medicine liquid and the air; additionally the utility model discloses utilize the ration device of offeing medicine to add powder, whole interpolation process goes on in airtight environment, further reduces medicament and air contact, has improved dispensing precision and medicament quality.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, concretely relates to an automatic reagent feeding system for sewage treatment.
Background
The sewage treatment process can be divided into a physical method, a biological method and a chemical method according to the action principle, wherein the chemical method is a method for treating or recovering dissolved substances or colloidal substances of sewage by utilizing the action of chemical reaction and is mainly used for industrial wastewater. As the method, coagulation, neutralization, redox, ion exchange, etc. are generally used. The chemical treatment method has good treatment effect and high cost, is mainly used for effluent after biochemical treatment and further treatment, and improves the effluent quality. Potassium monopersulfate is an inorganic peroxide, mainly used for medical sewage disinfection, mix potassium monopersulfate and water according to certain proportion at first and stir, then pour into the effluent water sump into while using, however the charge device in the prior art is generally open structure, and potassium monopersulfate has stronger oxidizing property, on one hand easy to produce the oxidation reaction with the air in the course of stiring, reduce the medicament concentration, influence the potency; on the other hand, metal components in the stirring system are easily corroded, and the service life of equipment is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an anti-oxidation automatic reagent feeding system for sewage treatment.
In order to achieve the above purpose, the utility model provides a following technical scheme: an automatic dosing system for sewage treatment comprises a medicine storage tank, a quantitative dosing device and a dosing device; the medicine storage tank is connected with a water inlet pipe, the water inlet pipe is provided with an electromagnetic stop valve, a liquid level meter is arranged in the medicine storage tank, the whole medicine storage tank is of a closed structure, the medicine storage tank is provided with a vent communicated with the atmosphere, the quantitative medicine feeding device is positioned above the medicine storage tank, a medicine outlet of the quantitative medicine feeding device is communicated with the medicine storage tank, and the medicine feeding device is communicated with the medicine storage tank and used for conveying liquid medicine to a sewage pool; the quantitative dosing device, the electromagnetic stop valve, the liquid level meter and the dosing device are all electrically connected with the automatic control module.
Still be equipped with circulation mixing system in the medicine storage tank, circulation mixing system includes feed liquor pipe and drain pipe, the one end of feed liquor pipe and drain pipe is located the medicine storage tank, the other end respectively with the liquid outlet port and the feed liquor port intercommunication of the outside circulating pump that sets up of medicine storage tank.
The feed liquor pipe encircles along storage tank inner wall and sets up, and the interval is provided with a plurality of liquid outlets on the feed liquor pipe, and each liquid outlet sets up along same direction of rotation slope and makes spun liquid medicine can produce the vortex in storage tank.
The liquid inlet pipe is at least arranged in two layers in a surrounding mode, and the liquid outlet rotating directions on the two adjacent layers of liquid inlet pipes are opposite.
The quantitative dosing device comprises a hopper, a rotary feeder and a screw conveyor, wherein the upper end of the rotary feeder is communicated with the bottom of the hopper; the feed inlet of the screw conveyor is communicated with the lower end of the rotary feeder, and the discharge outlet of the screw conveyor is communicated with the medicine storage tank.
The dosing device comprises a metering pump and an ejector; the liquid inlet end of the metering pump is communicated with the medicine storage tank through a pipeline, the liquid outlet end of the metering pump is communicated with the sewage tank, the water inlet of the ejector is communicated with a high-pressure water source, the outlet of the ejector is communicated with the sewage tank, and the negative pressure chamber of the ejector is communicated with the medicine storage tank.
The water inlet pipe of the medicine storage tank is connected to a pipeline between the ejector and the high-pressure water source, and an electromagnetic stop valve is arranged on the water inlet pipe.
And a flow meter is arranged on a pipeline between the ejector and the medicine storage tank.
The transition bin is assembled to be isolated from the medicine storage tank when the medicine storage tank is used for dispensing and stirring, and is communicated with the medicine storage tank after the medicine storage tank is used for dispensing; the dosing device is communicated with the transition bin.
The transition bin is formed by a vertical partition plate in a separating mode, a U-shaped pipe with a downward opening is arranged on the vertical partition plate, two ends of the U-shaped pipe are located in the medicine storage tank and the transition bin respectively, and the pipe orifice of the U-shaped pipe located in the medicine storage tank is higher than the pipe orifice in the transition bin.
The utility model discloses the technological effect who gains does: the utility model arranges the medicine storage tank into a closed structure, which avoids the excessive contact between the medicine liquid and the air; additionally the utility model discloses utilize the ration device of offeing medicine to add powder to adopt automatic control module to control, whole interpolation process goes on in airtight environment, further reduces medicament and air contact, has improved dispensing precision and medicament quality.
Drawings
Fig. 1 is a schematic diagram of an automatic medicine feeding system provided by an embodiment of the present invention;
fig. 2 is a schematic diagram of a circulation stirring system provided by an embodiment of the present invention;
fig. 3-6 are schematic diagrams of transition bins provided by embodiments of the present invention.
Detailed Description
In order to make the objects and advantages of the present invention more apparent, the present invention will be described in detail with reference to the following embodiments. It is to be understood that the following text is only intended to describe one or several particular embodiments of the invention, and does not strictly limit the scope of the claims specifically claimed.
As shown in fig. 1, an automatic medicine feeding system for sewage treatment comprises a medicine storage tank 10, a quantitative medicine feeding device and a medicine feeding device; the medicine storage tank 10 is connected with a water inlet pipe, the water inlet pipe is provided with an electromagnetic stop valve 33, a liquid level meter 102 is arranged in the medicine storage tank 10, the whole medicine storage tank 10 is of a closed structure, the medicine storage tank 10 is provided with an air vent communicated with the atmosphere, the quantitative medicine feeding device is positioned above the medicine storage tank 10, a medicine outlet of the quantitative medicine feeding device is communicated with the medicine storage tank 10, and the medicine feeding device is communicated with the medicine storage tank 10 and is used for conveying medicine liquid to a sewage pool; the quantitative dosing device, the electromagnetic stop valve 33, the liquid level meter 102 and the dosing device are all electrically connected with the automatic control module 50. The utility model arranges the medicine storage tank 10 into a closed structure, which avoids the excessive contact between the medicine liquid and the air; additionally the utility model discloses utilize the ration device of offeing medicine to add powder to adopt automatic control module 50 to control, whole interpolation process goes on in airtight environment, further reduces medicament and air contact, has improved dispensing precision and medicament quality.
As shown in fig. 1 and 2, a circulation stirring system is further arranged in the medicine storage tank 10, the circulation stirring system comprises a liquid inlet pipe 43 and a liquid outlet pipe 42, one end of the liquid inlet pipe 43 and one end of the liquid outlet pipe 42 are arranged in the medicine storage tank 10, and the other end of the liquid inlet pipe 43 and the other end of the liquid outlet pipe 42 are respectively communicated with a liquid outlet port and a liquid inlet port of a circulation pump 41 arranged outside the medicine storage tank 10. The utility model discloses the medicine storage tank 10 and tubular product that adopt are non-metallic material, like PP, PEV, PVC etc.. The utility model discloses a circulating pump 41 stirs the liquid medicine, has abandoned traditional mechanical type stirring structure, has avoided the medicament to the corruption of metal parts, has improved equipment life.
Preferably, as shown in fig. 2, the liquid inlet pipe 43 is disposed around the inner wall of the drug storage tank 10, and a plurality of liquid outlets are disposed on the liquid inlet pipe 43 at intervals, and each liquid outlet is disposed in an inclined manner along the same rotation direction, so that the sprayed drug solution can generate a vortex flow in the drug storage tank 10. The liquid inlet pipe 43 is at least arranged in two layers in a surrounding mode, and the liquid outlet rotating directions of the liquid inlet pipes 43 in the two adjacent layers are opposite. The annular liquid inlet pipe 43 is arranged to enable liquid medicine to be sufficiently convected, so that the mixing efficiency is improved, and the sufficient and uniform dissolution of the medicine is ensured.
Preferably, the quantitative dosing device comprises a hopper 23, a rotary feeder 22 and a screw conveyor 21, wherein the upper end of the rotary feeder 22 is communicated with the bottom of the hopper 23; the feed inlet of the screw conveyor 21 is communicated with the lower end of the rotary feeder 22, and the discharge outlet of the screw conveyor 21 is communicated with the medicine storage tank 10. The screw conveyor 21 is matched with the rotary feeder 22 to realize quantitative addition of the medicament, and simultaneously, the medicament storage tank 10 is ensured to be sufficiently isolated from the hopper 23.
Preferably, as shown in fig. 1, the dosing device comprises a metering pump 31 and an ejector 32; the liquid inlet end of the metering pump 31 is communicated with the medicine storage tank 10 through a pipeline, the liquid outlet end of the metering pump 31 is communicated with the sewage tank, the water inlet of the ejector 32 is communicated with a high-pressure water source, the outlet of the ejector 32 is communicated with the sewage tank, and the negative pressure chamber of the ejector 32 is communicated with the medicine storage tank 10. The utility model discloses a charge device has malleation and adds two kinds of modes with the negative pressure. When the positive pressure is added, the liquid medicine is directly injected into the sewage tank through the metering pump 31; when the negative pressure is added, the metering pump 31 is closed, the ejector 32 is conducted, and the liquid medicine is sucked into the ejector 32 by utilizing the negative pressure of the ejector 32, mixed with the high-pressure water flow and injected into the sewage pool. In actual use, different dosing modes can be selected according to the field environment.
Preferably, the water inlet pipe of the medicine storage tank 10 is connected to a pipeline between the ejector 32 and the high-pressure water source. And a flow meter 35 is arranged on a pipeline between the ejector 32 and the medicine storage tank 10, and the flow meter 35 is electrically connected with the automatic control module 50 so as to accurately control the medicine adding amount when negative pressure is added.
Further, as shown in fig. 3-6, a transition bin 11 is further disposed in the drug storage tank 10, the transition bin 11 is configured to be isolated from the drug storage tank 10 when the drug storage tank 10 is mixed for dispensing, and the transition bin 11 is communicated with the drug storage tank 10 after the drug storage tank 10 is mixed for dispensing; the medicine adding device is communicated with the transition bin 11. Specifically, the transition bin 11 is formed by separating a vertical partition plate, the vertical partition plate is provided with a downward-opening U-shaped pipe 12, two ends of the U-shaped pipe 12 are respectively located in the medicine storage tank 10 and the transition bin 11, a pipe orifice of the U-shaped pipe 12 located in the medicine storage tank 10 is higher than a pipe orifice in the transition bin 11, and the top end of the U-shaped pipe 12 is lower than the preset highest liquid level of the medicine storage tank 10. Transition bin 11 can realize dispensing in-process charge device work and not interrupt, and its principle is as follows: when the liquid medicine in the medicine storage tank 10 is as shown in fig. 3, the medicine adding device works normally, the liquid level of the transition bin 11 is continuously reduced, meanwhile, the medicine storage tank 10 continuously supplements the liquid medicine in the transition bin 11 under the action of the communicating vessel until the liquid level is as shown in fig. 4, the U-shaped pipe 12 is separated from the liquid level of the medicine storage tank 10 in the figure, the left end of the U-shaped pipe 12 loses pressure, the medicine storage tank 10 is isolated from the transition bin 11, the liquid medicine remained in the transition bin 11 can be continuously used by the medicine adding device at the moment, and the medicine storage tank 10 can begin to dispense medicines; the process of making up a prescription at first to the water injection in medicine storage tank 10 and add the medicament until the liquid level reaches the preset highest liquid level shown in figure 5, at this moment because air exists in U type pipe 12, the liquid medicine in the pressure storage tank can't get into transition bin 11 through U type pipe 12, this section of time can be to the liquid medicine in medicine storage tank 10 continuously stir, along with charge device's continuous work, transition bin 11 liquid level constantly reduces until the position shown in figure 6, U type pipe 12 right-hand member decompression this moment, thereby make the liquid medicine in medicine storage tank 10 can inject transition bin 11 through U type pipe 12 once more until returning to the state shown in figure 3, the uninterrupted duty of charge device is realized in proper order to circulate.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention. The structures, devices, and methods of operation of the present invention, not specifically described and illustrated, are generally practiced by those of ordinary skill in the art without specific recitation or limitation.
Claims (10)
1. The utility model provides an automatic reagent feeding system for sewage treatment which characterized in that: comprises a medicine storage tank (10), a quantitative medicine feeding device and a medicine feeding device; the medicine storage tank (10) is connected with a water inlet pipe, an electromagnetic stop valve (33) is arranged on the water inlet pipe, a liquid level meter (102) is arranged in the medicine storage tank (10), the whole medicine storage tank (10) is of a closed structure, a vent communicated with the atmosphere is arranged on the medicine storage tank (10), the quantitative medicine feeding device is positioned above the medicine storage tank (10), a medicine outlet of the quantitative medicine feeding device is communicated with the medicine storage tank (10), and the medicine feeding device is communicated with the medicine storage tank (10) and is used for conveying liquid medicine to a sewage pool; the quantitative dosing device, the electromagnetic stop valve (33), the liquid level meter (102) and the dosing device are all electrically connected with the automatic control module (50).
2. The automatic dosing system for wastewater treatment according to claim 1, wherein: still be equipped with circulation mixing system in medicine storage tank (10), circulation mixing system includes feed liquor pipe (43) and drain pipe (42), the one end of feed liquor pipe (43) and drain pipe (42) is located medicine storage tank (10), the other end respectively with the play liquid port and the feed liquor port intercommunication of circulating pump (41) that medicine storage tank (10) outside set up.
3. The automatic dosing system for wastewater treatment according to claim 2, characterized in that: feed liquor pipe (43) encircle along medicine storage tank (10) inner wall and set up, and feed liquor pipe (43) go up the interval and be provided with a plurality of liquid outlets, and each liquid outlet sets up along same direction of rotation slope and makes spun liquid medicine can produce the vortex in medicine storage tank (10).
4. The automatic dosing system for wastewater treatment according to claim 3, wherein: the liquid inlet pipe (43) is at least arranged in two layers in a surrounding mode, and the liquid outlet rotating directions of the liquid inlet pipes (43) in the two adjacent layers are opposite.
5. The automatic dosing system for wastewater treatment according to claim 1, wherein: the quantitative dosing device comprises a hopper (23), a rotary feeder (22) and a screw conveyor (21), wherein the upper end of the rotary feeder (22) is communicated with the bottom of the hopper (23); the feed inlet of the screw conveyor (21) is communicated with the lower end of the rotary feeder (22), and the discharge outlet of the screw conveyor (21) is communicated with the medicine storage tank (10).
6. The automatic dosing system for wastewater treatment according to claim 1, wherein: the dosing device comprises a metering pump (31) and a jet device (32); the liquid inlet end of measuring pump (31) passes through pipeline and medicine storage tank (10) intercommunication, the play liquid end and the effluent water sump intercommunication of measuring pump (31), the water inlet and the high pressure water source intercommunication of ejector (32), ejector (32) export and effluent water sump intercommunication, the negative pressure room and the medicine storage tank (10) intercommunication of ejector (32).
7. The automatic dosing system for wastewater treatment according to claim 6, wherein: the water inlet pipe of the medicine storage tank (10) is connected to a pipeline between the ejector (32) and a high-pressure water source.
8. The automatic dosing system for wastewater treatment according to claim 7, wherein: and a flow meter (35) is arranged on a pipeline between the jet device (32) and the medicine storage tank (10), and the flow meter (35) is electrically connected with the automatic control module (50).
9. The automatic dosing system for wastewater treatment according to claim 1, wherein: the medicine storage tank (10) is also internally provided with a transition bin (11), the transition bin (11) is assembled to be separated from the medicine storage tank (10) when the medicine storage tank (10) performs medicine preparation stirring, and the transition bin (11) is communicated with the medicine storage tank (10) after the medicine storage tank (10) finishes medicine preparation; the dosing device is communicated with the transition bin (11).
10. The automatic dosing system for wastewater treatment according to claim 9, wherein: transition storehouse (11) are separated by a vertical baffle and are formed, be equipped with a U type pipe (12) that open side down on the vertical baffle, the both ends of U type pipe (12) are located medicine storage tank (10) and transition storehouse (11) respectively, and U type pipe (12) are located the mouth of pipe that medicine storage tank (10) are higher than the mouth of pipe in transition storehouse (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920400852.8U CN210656318U (en) | 2019-03-27 | 2019-03-27 | Automatic dosing system for sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920400852.8U CN210656318U (en) | 2019-03-27 | 2019-03-27 | Automatic dosing system for sewage treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210656318U true CN210656318U (en) | 2020-06-02 |
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ID=70836418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920400852.8U Expired - Fee Related CN210656318U (en) | 2019-03-27 | 2019-03-27 | Automatic dosing system for sewage treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210656318U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112845571A (en) * | 2021-01-06 | 2021-05-28 | 东北农业大学 | Chemical agent applying device for environmental remediation |
-
2019
- 2019-03-27 CN CN201920400852.8U patent/CN210656318U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112845571A (en) * | 2021-01-06 | 2021-05-28 | 东北农业大学 | Chemical agent applying device for environmental remediation |
| CN112845571B (en) * | 2021-01-06 | 2021-10-22 | 东北农业大学 | Chemical agent applying device for environmental remediation |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200602 |
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| CF01 | Termination of patent right due to non-payment of annual fee |