CN210393882U - Carbon source adding system for sewage treatment - Google Patents
Carbon source adding system for sewage treatment Download PDFInfo
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- CN210393882U CN210393882U CN201921054882.4U CN201921054882U CN210393882U CN 210393882 U CN210393882 U CN 210393882U CN 201921054882 U CN201921054882 U CN 201921054882U CN 210393882 U CN210393882 U CN 210393882U
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Abstract
The utility model discloses a carbon source dosing system for sewage treatment, it includes uninstallation module, storage module, throws module, nitrogen seal module and automatically controlled module, the uninstallation module passes through the pipeline and is connected with storage module, storage module passes through the pipeline and throws the module and be connected, nitrogen seal module passes through the pipeline and is connected with storage module to carbon source and air isolation in the module will be stored. The utility model provides a carbon source dosing system for sewage treatment, which has reasonable structure and reliable use, and the unloading module is provided with an antistatic device, thereby increasing the safety of carbon source unloading; meanwhile, the carbon source in the storage module is isolated from the air by using nitrogen, so that the running reliability of the system is improved.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, a carbon source dosing system for sewage treatment is related to.
Background
The sewage in China generally has the water quality characteristics of low carbon, relatively high nitrogen and phosphorus, and due to the fact that the content of organic matters is low, the requirement of an anoxic denitrification stage on a carbon source cannot be met by adopting a conventional denitrification process, the denitrification process is hindered, the proliferation of anaerobic aerobic bacteria is inhibited, the assimilation of ammonia nitrogen is reduced, and the denitrification effect of sewage treatment is greatly influenced.
Practice proves that adding carbon source is an important means for solving the problems in sewage treatment. Methanol is the most commonly used external carbon source for sewage treatment plants. Methanol as matrix contains no nutrients (such as nitrogen and phosphorus), has neutral pH, can reduce the influence on microorganisms in sewage, and can be completely oxidized to obtain CO2And H2O, does not produce any refractory intermediate. When methanol is used as a carbon source, the optimal carbon-nitrogen ratio for removing nitrate is lower, the reaction rate is higher, the sludge production is lower, and therefore the methanol is more commonly used as an external carbon source than glucose and acetate.
The requirements of sewage treatment in China on nitrogen and phosphorus are higher and higher, and in order to ensure that the total nitrogen reaches the standard, the external addition of a carbon source is favorable for biochemical effect, so that necessary conditions are provided for the sewage treatment reaching the standard. The methanol adding device is used as a new technology and a new process in the urban sewage treatment project, provides technical support for the discharge of the treated sewage reaching the national first-level discharge standard, solves the problem of nitrogen and phosphorus removal, and opens up a brand new direction for the urban sewage treatment project.
However, because methanol is a flammable and explosive substance, the requirement on safety coefficient is high, and the process requirement is relatively complex, the methanol adding device is different from a common dosing device as a new process technology device which is newly appeared in the sewage treatment industry at present.
Therefore, a carbon source adding system for sewage treatment needs to be designed to promote the development of the sewage treatment industry.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving part of technical problems in the prior art to at least a certain extent, and provides a carbon source adding system for sewage treatment, which has reasonable structure and reliable use, and the unloading module is provided with an antistatic device to increase the safety of carbon source unloading; meanwhile, the carbon source in the storage module is isolated from the air by using nitrogen, so that the running reliability of the system is improved, and the method has good popularization value.
For solving the technical problem, the utility model provides a pair of a carbon source dosing system for sewage treatment, it includes uninstallation module, storage module, throws module, nitrogen sealing module and automatically controlled module, the uninstallation module passes through the pipeline and is connected with storage module, storage module passes through the pipeline and throws module connection with throwing, nitrogen sealing module passes through the pipeline and is connected with storage module to keep apart carbon source and air in the storage module.
In some embodiments, the nitrogen sealing module comprises a high pressure nitrogen gas source, a pressure control valve, a check valve, the pressure control valve and check valve connected on a pipeline between the high pressure nitrogen gas source and a storage module.
In some embodiments, the unloading module is provided with an antistatic device, and the antistatic device is connected with the electronic control module.
In some embodiments, the unloading module is an unloading device that sealingly unloads the carbon source to the storage module via an unloading arm.
In some embodiments, the storage module is a storage tank disposed within a cavity and secured by a fine sand landfill.
In some embodiments, the lower portion of the storage tank is provided with a support bracket, the upper portion of the storage tank is provided with a liquid inlet flange and a liquid outlet flange, and the liquid inlet pipeline extends to the bottom of the storage tank through the liquid inlet flange.
In some embodiments, the lower portion of the storage tank body is further provided with a convex pipe, and the convex pipe extends outwards from the bottom of the storage tank body and forms an integral structure with the inner cavity of the storage tank body.
In some embodiments, the position of the convex pipe is matched with that of the liquid outlet flange.
In some embodiments, the storage tank body is further provided with a liquid level sensor, a pressure sensor and a fire-retardant breather valve, the liquid level indication alarm is connected with the storage tank body through the liquid inlet flange, and the pressure sensor and the fire-retardant breather valve are connected with the storage tank body through the liquid outlet flange.
In some embodiments, the dosing module consists of an explosion-proof delivery pump, a flow regulating valve and a pipeline mixer so as to realize the control of the carbon source proportioning.
The utility model discloses beneficial effect:
the utility model provides a carbon source dosing system for sewage treatment, which has reasonable structure and reliable use, and the unloading module is provided with an antistatic device, thereby increasing the safety of carbon source unloading; meanwhile, the carbon source in the storage module is isolated from the air by using nitrogen, so that the running reliability of the system is improved, and the method has good popularization value.
Drawings
The above advantages of the present invention will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are given by way of illustration only and do not limit the present invention, and in which:
FIG. 1 is a schematic structural diagram of a carbon source adding system for sewage treatment according to the present invention;
fig. 2 is a schematic structural diagram of a storage module according to the present invention;
fig. 3 is a schematic structural diagram of the feeding module according to the present invention.
In the drawings, the reference numerals denote the following components:
10. unloading the module; 11. an antistatic device; 20. a storage module; 21. a support bracket; 22. a liquid inlet flange; 23. a liquid outlet flange; 24. a convex pipe; 25. a liquid level sensor; 26. a pressure sensor; 27. a fire retardant breather valve; 30. a dosing module; 31. an explosion-proof transfer pump; 40. a nitrogen sealing module; 41. a high pressure nitrogen source; 42. a pressure control valve; 43. a check valve.
Detailed Description
Fig. 1 and 2 are related schematic diagrams of a carbon source adding system for sewage treatment according to the present application, and the present invention is described in detail below with reference to specific embodiments and accompanying drawings.
The embodiments described herein are specific embodiments of the present invention, and are intended to be illustrative of the concepts of the present invention, which are intended to be illustrative and exemplary, and should not be construed as limiting the scope of the embodiments of the present invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.
The drawings in the present specification are schematic views to assist in explaining the concept of the present invention, and schematically show the shapes of the respective portions and the mutual relationships thereof. It should be noted that for the sake of clarity in showing the structures of the various components of the embodiments of the present invention, the drawings are not drawn to the same scale. Like reference numerals are used to denote like parts.
The application a carbon source dosing system's for sewage treatment structure schematic diagram, as shown in fig. 1, it is including uninstallation module 10, storage module 20, throw module 30, nitrogen seal module 40 and electronic control module, uninstallation module 10 is connected with storage module 20 through the pipeline, storage module 20 passes through the pipeline and throws module 30 module connection, nitrogen seal module 40 is connected with storage module 20 through the pipeline to keep apart carbon source and air in the storage module 20.
As an embodiment of the present invention, the nitrogen sealing module 40 includes a high-pressure nitrogen source 41, a pressure control valve 42, and a check valve 43, wherein the pressure control valve 42 and the check valve 43 are connected to the pipeline between the high-pressure nitrogen source 41 and the storage module 20. The utility model discloses a high pressure nitrogen gas keeps apart carbon source and air in with storage module 20, has guaranteed carbon source dosing system's security. Especially, when the carbon source is methanol, safety accidents are easily caused because methanol is a flammable and explosive substance. As an aspect of this embodiment, the pressure control valve 42 may control the pressure of the high-pressure nitrogen gas to be within a safe range. Preferably, the pressure of the high-pressure nitrogen in the pipeline is controlled to be 1-2 psi so as to ensure the safety of a carbon source adding system.
In some embodiments, the unloading module 10 is provided with an antistatic device 11, and the antistatic device 11 is connected with the electronic control module. As an embodiment of the present invention, the anti-static device 11 is connected to the unloading control valve on the unloading module 10 in an interlocking manner; if the unloading module 10 is not connected with the anti-static device 11, the unloading control valve is closed and alarms in forms of sound and light and the like, so that the burning and explosion accidents caused by static sparks generated due to unreliable static electricity connection are avoided.
In some embodiments, the unloading module 10 is an unloading apparatus that sealingly unloads the carbon source to the storage module 20 via an unloading arm. The unloading device is connected with an anti-static device 11, and the anti-static device 11 is connected with an unloading control valve on the unloading module 10 in an interlocking manner, so that the burning and explosion accidents caused by static sparks generated due to unreliable static electricity connection are avoided.
The storage module 20 is a storage tank body, which is disposed in a cavity and is buried and fixed by fine sand. The number of the storage tank bodies can be one, two or more, and the storage tank bodies can be reliably fixed by only arranging the storage tank bodies in the relatively closed cavity and then filling the cavities except the storage tank bodies with fine sand.
Fig. 2 is a schematic structural diagram of a storage module according to the present invention, the lower part of the storage tank body is provided with a support bracket 21, the upper part of the storage tank body is provided with a liquid inlet flange 22 and a liquid outlet flange 23, and a liquid inlet pipe extends to the bottom of the storage tank body through the liquid inlet flange 22.
The lower part of the storage tank body is also provided with a convex pipe 24, and the convex pipe 24 extends outwards from the bottom of the storage tank body and forms an integral structure with the inner cavity of the storage tank body. Therefore, the carbon source in the storage tank body can be stored in the convex pipe 24, and the liquid outlet pipeline can extend to the bottom of the convex pipe 24, so that the carbon source in the storage tank body can be more fully utilized; meanwhile, safety accidents caused by residual carbon sources in the storage tank body can be prevented, and the use safety of the carbon source adding system is ensured.
In some embodiments, the protruding pipe 24 is matched with the liquid outlet flange 23, specifically, the protruding pipe 24 is opposite to the liquid outlet flange 23, that is, the protruding pipe 24 is covered by the projection of the liquid outlet flange 23, so that the liquid outlet pipeline can easily extend along the protruding pipe 24 to the bottom of the protruding pipe 24. In one aspect of this embodiment, the diameter of the protruding tube 24 is smaller than the diameter of the liquid outlet flange 23, and preferably, the diameter of the protruding tube 24 is 1/4-1/2 times the diameter of the liquid outlet flange 23, so that the liquid outlet pipe can easily extend along the protruding tube 24 to the bottom of the protruding tube 24.
As an embodiment of the utility model, the holding vessel body still is provided with level sensor 25, pressure sensor 26 and back-fire relief breather valve 27, liquid level indication alarm 25 via go into liquid flange 22 and the holding vessel body coupling, pressure sensor 26 and back-fire relief breather valve 27 via go out liquid flange 23 and holding vessel body coupling to through liquid level and the pressure variation in the real-time supervision storage tube body, guarantee dosing system's safety, reliable operation.
In some embodiments, the adding module 30 is composed of an explosion-proof delivery pump 31, a flow regulating valve and a pipeline mixer, as shown in fig. 3, the carbon source proportioning control can be realized through the flow control valve and the pipeline mixer, so as to control the carbon source within a safe and reasonable proportioning range, and ensure the operation safety of the carbon source adding system. The feeding module 30 further comprises a buffer tank and an air compressor, when the electric delivery pump is not adopted for carbon source transmission, the pneumatic delivery pump can be adopted to cooperate with the buffer tank and the air compressor to realize carbon source delivery, and the delivery mode can avoid electrical faults and ensure the safety of a carbon source feeding system.
As the utility model discloses an on the other hand, carbon source dosing system's pipeline and high-pressure nitrogen gas source 41 intercommunication use nitrogen gas to clean the pipeline, can prevent to remain the carbon source in the pipeline and cause poisoning, conflagration, explosion danger, when especially the carbon source is methyl alcohol, can effectively reduce or stop the emergence of incident.
In the above examples, the carbon source is generally methanol, but it is understood that the carbon source may be other than methanol.
The utility model provides a carbon source dosing system for sewage treatment, which has reasonable structure and reliable use, and the unloading module is provided with an antistatic device, thereby increasing the safety of carbon source unloading; meanwhile, the carbon source in the storage module is isolated from the air by using nitrogen, so that the running reliability of the system is improved, and the method has good popularization value.
The present invention is not limited to the above embodiments, and any person can obtain other products in various forms without departing from the scope of the present invention, but any change in shape or structure is included in the technical solution that is the same as or similar to the present invention.
Claims (10)
1. The utility model provides a carbon source dosing system for sewage treatment which characterized in that, includes uninstallation module, storage module, throws module, nitrogen seal module and electrical control module, uninstallation module passes through the pipeline and is connected with storage module, storage module passes through the pipeline and throws the module and be connected, nitrogen seal module passes through the pipeline and is connected with storage module to keep apart carbon source and air in the storage module.
2. The carbon source dosing system for sewage treatment according to claim 1, wherein the nitrogen sealing module comprises a high pressure nitrogen source, a pressure control valve and a check valve, and the pressure control valve and the check valve are connected to a pipeline between the high pressure nitrogen source and the storage module.
3. The carbon source dosing system for sewage treatment as claimed in claim 1, wherein the unloading module is provided with an anti-static device, and the anti-static device is connected with the electronic control module.
4. The carbon source dosing system for wastewater treatment as claimed in claim 3, wherein the unloading module is an unloading device, and the unloading device is sealed by an unloading crane to unload the carbon source to the storage module.
5. The carbon source dosing system for wastewater treatment as claimed in claim 1, wherein the storage module is a storage tank body disposed in a cavity and fixed by fine sand landfill.
6. The carbon source dosing system for sewage treatment as claimed in claim 5 wherein the lower portion of the storage tank body is provided with a support bracket, the upper portion of the storage tank body is provided with a liquid inlet flange and a liquid outlet flange, and the liquid inlet pipe extends to the bottom of the storage tank body through the liquid inlet flange.
7. The carbon source dosing system for sewage treatment as claimed in claim 6 wherein the lower portion of the storage tank body is further provided with a protruding tube, the protruding tube extending outwards from the bottom of the storage tank body and forming an integral structure with the inner cavity of the storage tank body.
8. The carbon source dosing system for wastewater treatment according to claim 7, wherein the position of the protruding pipe is matched with that of the liquid outlet flange.
9. The carbon source adding system for sewage treatment as claimed in claim 6, wherein the storage tank body is further provided with a liquid level sensor, a pressure sensor and a fire-retardant breather valve, the liquid level indicating alarm is connected with the storage tank body through the liquid inlet flange, and the pressure sensor and the fire-retardant breather valve are connected with the storage tank body through the liquid outlet flange.
10. The carbon source dosing system for wastewater treatment as claimed in claim 1, wherein the dosing module is composed of an explosion-proof delivery pump, a flow regulating valve and a pipeline mixer to realize carbon source proportioning control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921054882.4U CN210393882U (en) | 2019-07-08 | 2019-07-08 | Carbon source adding system for sewage treatment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921054882.4U CN210393882U (en) | 2019-07-08 | 2019-07-08 | Carbon source adding system for sewage treatment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110304721A (en) * | 2019-07-08 | 2019-10-08 | 重庆川维石化工程有限责任公司 | A kind of carbon source dosing system for waste water control |
| CN114396505A (en) * | 2021-12-28 | 2022-04-26 | 重庆川维石化工程有限责任公司 | Volatile organic gas emission device integrating nitrogen supplement and gas phase pressure balance functions |
| CN116573723A (en) * | 2023-06-16 | 2023-08-11 | 国合绿能生态(无锡)有限公司 | Sewage biological denitrification process and device based on multistage and multistage AO (anaerobic-anoxic) process |
-
2019
- 2019-07-08 CN CN201921054882.4U patent/CN210393882U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110304721A (en) * | 2019-07-08 | 2019-10-08 | 重庆川维石化工程有限责任公司 | A kind of carbon source dosing system for waste water control |
| CN114396505A (en) * | 2021-12-28 | 2022-04-26 | 重庆川维石化工程有限责任公司 | Volatile organic gas emission device integrating nitrogen supplement and gas phase pressure balance functions |
| CN114396505B (en) * | 2021-12-28 | 2024-05-07 | 重庆川维石化工程有限责任公司 | Volatile organic gas discharge device with nitrogen supplementing and gas phase pressure balancing functions |
| CN116573723A (en) * | 2023-06-16 | 2023-08-11 | 国合绿能生态(无锡)有限公司 | Sewage biological denitrification process and device based on multistage and multistage AO (anaerobic-anoxic) process |
| CN116573723B (en) * | 2023-06-16 | 2023-12-15 | 国合绿能生态(无锡)有限公司 | Sewage biological denitrification process and device based on multistage and multistage AO (anaerobic-anoxic) process |
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