CN115920504A - Plate-and-frame filter press residual gas recycling system and using method thereof - Google Patents
Plate-and-frame filter press residual gas recycling system and using method thereof Download PDFInfo
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- CN115920504A CN115920504A CN202211709580.2A CN202211709580A CN115920504A CN 115920504 A CN115920504 A CN 115920504A CN 202211709580 A CN202211709580 A CN 202211709580A CN 115920504 A CN115920504 A CN 115920504A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The invention introduces a plate and frame filter press residual air recycling system and a use method thereof; the plate-and-frame filter press residual gas recycling system comprises a plate-and-frame filter press, a gas storage tank and a water treatment aeration tank; the squeezing evacuation port of the plate-and-frame filter press is connected with the air inlet of the air storage tank through an exhaust pipeline; the air outlet of the air storage tank is connected with an aeration pipe of the water treatment aeration tank; and the tail end of the exhaust pipeline is provided with an exhaust valve and a silencer. This application is used for water treatment aeration tank to aerate through setting up the gas holder between plate and frame filter press and water treatment aeration tank, with plate and frame filter press exhaust compressed air after the gas holder storage, adjusts for being used for water treatment aeration tank aeration through the traditional mode with compressed air direct discharge, and then has solved the noise problem when plate and frame filter press discharges compressed gas.
Description
Technical Field
The invention relates to the field of residual gas recovery, in particular to a plate and frame filter press residual gas recycling system and a using method thereof.
Background
The plate-and-frame filter press is efficient solid-liquid separation equipment and is widely applied to the industries of municipal sludge treatment, river and lake bottom sludge treatment, engineering slurry treatment and the like at present. In the process of dehydrating the mud by the plate-and-frame filter press, the mud is pumped by a mud pump to fill the filter chamber, and compressed air of about 0.9Mpa is introduced into the filter plate to expand the tympanic membrane of the filter plate and further squeeze the mud cake in the filter chamber to separate water. After the squeezing process is finished, the emptying valve of the filter press is opened to release the compressed air in the filter plate.
Chinese patent CN212225473U discloses a compressed air blowing device, relating to the technical field of biological agent production equipment, comprising a plate-and-frame filter press, a liquid distribution tank and a compressed air pump, wherein the compressed air pump is connected with a first blowing and sweeping pipe through a hose, the first blowing and sweeping pipe is connected with the input end of a three-way valve, and two output ends of the three-way valve are respectively communicated with the plate-and-frame filter press and the liquid distribution tank; the tail end of the purging pipe is connected with a spray head; the nozzle comprises a connecting part and an exposed part, wherein a first wedge-shaped seam channel extending to the exposed part is distributed on the outer circumference of the connecting part; the designed compressed air blowing device is respectively connected with the plate-and-frame filter press and the liquid preparation tank through two output ends of the three-way valve through the blowing pipe, so that the toluene smell in the liquid preparation tank and the residual liquid materials in the plate-and-frame filter press can be blown off simultaneously through compressed air; meanwhile, the wedge-shaped seam channel is arranged on the spray head, so that laminar flow and coanda effect can be generated when gas passes through, the gas flow is increased, and the noise is reduced. But the blown gas is directly discharged, which also causes the waste of the gas.
Chinese patent CN208964758U discloses a manure cleaning and breeding wastewater treatment device, wherein a pretreatment tank is connected with a breeding wastewater discharge pipeline, a water outlet of the pretreatment tank is connected with a sewage adjusting tank, a waste residue outlet of the pretreatment tank is connected with a pipeline of an organic fertilizer processing plant, a water outlet of the sewage adjusting tank is connected with a UASB reactor, a gas outlet of the UASB reactor is connected with a dehydrator, a desulfurizer and a methane storage tank which are connected in series through pipelines, a liquid outlet of the UASB reactor is connected with an AAO reactor, a solid residue methane outlet of the UASB reactor is connected with a pipeline of the organic fertilizer processing plant, an outlet of the AAO reactor is connected with an artificial wetland, an outlet of the artificial wetland is connected with a sedimentation tank through an ultraviolet sterilizer, the sedimentation tank is connected with a plate and frame filter press and a discharge pipeline, and the manure cleaning and breeding wastewater treatment device can effectively solve the problems that the investment of the original livestock and poultry breeding wastewater treatment engineering filter press is large, the operation cost is high, the operation is inconvenient and the residual sludge cannot be properly arranged, but the noise problem of the plate and frame filter press is still difficult to be solved.
In the use process of the plate-and-frame filter press, compressed gas is usually directly discharged, the noise in the discharge process is often large, very obvious 'squeaking' sound is generated, the health of operating personnel is affected, if a silencer or a slow-release device is arranged, the emptying process is prolonged, and further the operating efficiency of equipment is reduced.
Disclosure of Invention
The application designs a plate and frame filter press residual air recycling system and a using method thereof to solve the problem of large noise when the existing plate and frame filter press discharges compressed gas, so that the noise when the plate and frame filter press discharges the compressed gas is reduced, and the compressed gas is collected and recycled.
A plate-and-frame filter press residual gas recycling system comprises a plate-and-frame filter press, a gas storage tank and a water treatment aeration tank;
the squeezing evacuation port of the plate-and-frame filter press is connected with the air inlet of the air storage tank through an exhaust pipeline;
the air outlet of the air storage tank is connected with an aeration pipe of the water treatment aeration tank.
Preferably, a plurality of air storage tanks are connected in parallel between the exhaust pipeline and the aeration pipe of the water treatment aeration tank.
Preferably, the number of the plate and frame filter presses is multiple, and the press emptying ports of the plate and frame filter presses share one exhaust pipeline.
Preferably, the tail end of the exhaust pipeline is provided with an exhaust valve and a silencer.
Preferably, an inlet check valve and an inlet electric valve are arranged at the front end of an air inlet of the air storage tank; and a pressure gauge is arranged on the gas storage tank.
Preferably, an outlet check valve and an outlet electric valve are arranged at the rear end of the air outlet of the air storage tank.
Preferably, the rear end of the aeration pipe of the water treatment aeration tank is provided with a general regulating valve.
A use method of a plate and frame filter press residual gas recycling system comprises the following steps:
step S1, opening an inlet check valve and an inlet electric valve of the air storage tank;
s2, conveying gas to a plurality of gas storage tanks through an exhaust pipeline by a squeezing evacuation port of the plate-and-frame filter press;
s3, when the gas storage pressure of the gas storage tank is lower than 0.3Mpa, setting an electric valve at an outlet of the gas storage tank for conveying gas to the aeration pipe to be in a closed state;
and S4, closing the electric valves at the inlets of all the gas storage tanks until the gas storage pressure of all the gas storage tanks exceeds 0.9Mpa, and opening the emptying valve at the tail end of the exhaust pipeline.
Preferably, in the step S4, when the gas storage pressure of a single gas storage tank exceeds 0.9Mpa, an inlet electric valve arranged at the front end of the gas inlet is set to be in a closed state.
Preferably, in the step S4, the electric valve at the outlet of the air storage tank with the air storage pressure exceeding 0.9Mpa is opened, and the air is discharged to the aeration pipe of the water treatment aeration tank.
The beneficial effects obtained by the invention are as follows:
1. this application is through setting up the gas holder between plate and frame filter press and water treatment aeration tank, is used for water treatment aeration tank to aerate after the storage of gas holder with plate and frame filter press exhaust compressed air, and the mode adjustment through directly discharging compressed air is for being used for water treatment aeration tank aeration, and then has solved the noise problem when traditional plate and frame filter press directly discharges compressed gas.
2. This application has a plurality of gas holders in parallel connection between the aeration pipe of exhaust duct and water treatment aeration tank, and a plurality of plate and frame filter press's the mode of a shared exhaust duct of the row's of squeezing evacuation mouth, and then realized the correspondence of many plate and frame filter press and many gas holders, make the exhaust of plate and frame filter press intermittent type nature turn into the gas holder to the continuous stable air feed of water treatment aeration tank.
3. This application has designed blowoff valve and muffler at the exhaust duct tail end of being connected with system plate and frame filter press, can be when all gas holder gas storage pressure are greater than 0.9Mpa, carry out the gas treatment, and at this moment, the exhaust duct inside gas behind the gas holder gas storage is less, behind blowoff valve and muffler, can accomplish essentially noiselessness ization.
The foregoing description is only an overview of the technical solutions of the present application, so that the technical means of the present application can be more clearly understood and the present application can be implemented according to the content of the description, and in order to make the above and other objects, features and advantages of the present application more clearly understood, the following detailed description is made with reference to the preferred embodiments of the present application and the accompanying drawings.
The above and other objects, advantages and features of the present application will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a design diagram of a plate and frame filter press residual air recycling system provided in the present application;
FIG. 2 is a flow chart of a method for recycling residual gas of a plate and frame filter press according to the present application;
reference numerals are as follows: 1. squeezing and emptying; 2. an exhaust duct; 3. a pressure gauge; 4. an inlet check valve; 5. an inlet electric valve; 6. an evacuation valve; 7. a muffler; 8. an outlet check valve; 9. an outlet electric valve; 10. a main regulator valve; 11. an aeration pipe; 12. a plate-and-frame filter press; 13. a gas storage tank; 14. a water treatment aeration tank.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. In the following description, specific details such as specific configurations and components are provided only to help the embodiments of the present application be fully understood. Accordingly, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the present application. In addition, descriptions of well-known functions and constructions are omitted in the embodiments for clarity and conciseness.
It should be appreciated that reference throughout this specification to "one embodiment" or "the embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrase "one embodiment" or "the present embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
Further, the present application may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.
The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, may mean: a exists alone, B exists alone, and A and B exist at the same time, and the term "/and" is used herein to describe another association object relationship, which means that two relationships may exist, for example, A/and B, may mean: the presence of a alone, and both cases a and B alone, and further, the character "/" herein generally means that the former and latter associated objects are in an "or" relationship.
The term "at least one" herein is merely an association relationship describing an associated object, and means that there may be three relationships, for example, at least one of a and B, may mean: a exists alone, A and B exist simultaneously, and B exists alone.
It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion.
Example 1
The embodiment mainly introduces a simplified design of a plate-and-frame filter press residual air recycling system, which comprises a plate-and-frame filter press 12, a gas storage tank 13 and a water treatment aeration tank 14;
the squeezing evacuation port 1 of the plate-and-frame filter press 12 is connected with an air inlet of an air storage tank 13 through an exhaust pipeline 2;
the air outlet of the air storage tank 13 is connected with an aeration pipe 11 of a water treatment aeration tank 14.
Further, the tail end of the exhaust pipeline 2 is provided with an exhaust valve 6 and a silencer 7.
Further, an inlet check valve 4 and an inlet electric valve 5 are arranged at the front end of an air inlet of the air storage tank 13;
the gas storage tank 13 is provided with a pressure gauge 3.
Further, an outlet check valve 8 and an outlet electric valve 9 are arranged at the rear end of the air outlet of the air storage tank 13.
Further, a main regulating valve 10 is arranged at the rear end of the aeration pipe 11 of the water treatment aeration tank 14.
This embodiment is used for water treatment aeration tank to aerate through setting up the gas holder between plate and frame filter press and water treatment aeration tank after the storage of gas holder with plate and frame filter press exhaust compressed air, and the mode adjustment through directly discharging compressed air is for being used for water treatment aeration tank aeration, and then has solved the noise problem when traditional plate and frame filter press directly discharges compressed gas.
Example 2
Based on the above embodiment 1, this embodiment mainly introduces an optimized design of a plate-and-frame filter press residual air recycling system, which includes a plate-and-frame filter press 12, an air storage tank 13, and a water treatment aeration tank 14;
the squeezing evacuation port 1 of the plate-and-frame filter press 12 is connected with the air inlet of the air storage tank 13 through an exhaust pipeline 2;
the air outlet of the air storage tank 13 is connected with an aeration pipe 11 of a water treatment aeration tank 14.
Furthermore, 2 gas storage tanks 13 are connected in parallel between the exhaust pipeline 2 and the aeration pipe 11 of the water treatment aeration tank 14, please refer to fig. 1 specifically.
Further, the tail end of the exhaust pipeline 2 is provided with an exhaust valve 6 and a silencer 7.
Further, an inlet check valve 4 and an inlet electric valve 5 are arranged at the front end of an air inlet of the air storage tank 13;
the gas storage tank 13 is provided with a pressure gauge 3.
Further, an outlet check valve 8 and an outlet electric valve 9 are arranged at the rear end of the air outlet of the air storage tank 13.
Further, a main regulating valve 10 is arranged at the rear end of the aeration pipe 11 of the water treatment aeration tank 14.
In the embodiment, 2 gas storage tanks are arranged between the plate and frame filter press and the water treatment aeration tank, when one gas storage tank is inflated to a pressure greater than 0.9Mpa due to the exhaust pipeline, the electric valve 5 at the inlet is closed, and the gas is exhausted to the water treatment aeration tank, and at the moment, the other gas storage tank can receive the compressed air exhausted by the plate and frame filter press through the exhaust pipeline, so that the gas exhausted by the plate and frame filter press can be fully utilized.
Example 3
Based on the above embodiments 1-2, this embodiment mainly introduces a method for using a plate and frame filter press residual air recycling system, specifically referring to fig. 2, which includes the following steps:
step S1, opening an inlet check valve 4 and an inlet electric valve 5 of an air storage tank 13;
s2, conveying gas to a plurality of gas storage tanks 13 through an exhaust pipeline 2 by a squeezing evacuation port 1 of the plate and frame filter press 12;
s3, when the gas storage pressure of the gas storage tank 13 is lower than 0.3Mpa, the electric valve 9 at the outlet of the gas storage tank 13 for conveying gas to the aeration pipe 11 is set to be in a closed state;
and S4, closing the electric inlet valves 5 of all the air storage tanks 13 and opening the emptying valves 6 at the tail ends of the exhaust pipelines 2 until the air storage pressures of all the air storage tanks 13 exceed 0.9 Mpa.
The plate and frame filter press residual gas recycling system used in the steps comprises a plate and frame filter press 12, a gas storage tank 13 and a water treatment aeration tank 14;
the squeezing evacuation port 1 of the plate-and-frame filter press 12 is connected with an air inlet of an air storage tank 13 through an exhaust pipeline 2;
the air outlet of the air storage tank 13 is connected with an aeration pipe 11 of a water treatment aeration tank 14.
Furthermore, a plurality of air storage tanks 13 are connected in parallel between the exhaust pipeline 2 and the aeration pipe 11 of the water treatment aeration tank 14.
Further, the number of the plate and frame filter presses 12 is plural, and the press vents 1 of the plurality of plate and frame filter presses 12 share one exhaust duct 2.
Further, the tail end of the exhaust pipeline 2 is provided with an exhaust valve 6 and a silencer 7.
Further, an inlet check valve 4 and an inlet electric valve 5 are arranged at the front end of an air inlet of the air storage tank 13;
the gas storage tank 13 is provided with a pressure gauge 3.
Further, all the pressure gauges 3 are transmitted back to the control cabinet of the filter press through 24v signals, and the air storage and exhaust logics of the air storage tank are controlled through linkage between the electric valve or other control valves and the electric contact pressure gauge through PLC linkage control.
Further, an outlet check valve 8 and an outlet electric valve 9 are arranged at the rear end of the air outlet of the air storage tank 13.
Further, a main regulating valve 10 is arranged at the rear end of the aeration pipe 11 of the water treatment aeration tank 14.
Further, in the step S4, when the gas storage pressure of the single gas storage tank 13 exceeds 0.9Mpa, the inlet electric valve 5 disposed at the front end of the gas inlet is set to be in a closed state.
Further, in the step S4, the electric valve 9 at the outlet of the air tank 13 having the air storage pressure of more than 0.9Mpa is opened to discharge air to the aeration pipe 11 of the water treatment aeration tank 14.
This application has a plurality of gas holders in parallel connection between the aeration pipe of exhaust duct and water treatment aeration tank, and a plurality of plate and frame filter press's the mode of a shared exhaust duct of the row's of squeezing evacuation mouth, and then realized the correspondence of many plate and frame filter press and many gas holders, make the exhaust of plate and frame filter press intermittent type nature turn into the gas holder to the continuous stable air feed of water treatment aeration tank.
This application has designed blowoff valve and muffler at the exhaust duct tail end of being connected with system plate and frame filter press, can be when all gas holder gas storage pressure are greater than 0.9Mpa, carry out the gas treatment, and at this moment, the exhaust duct inside gas behind the gas holder gas storage is less, behind blowoff valve and muffler, can accomplish essentially noiselessness ization.
The above description is only a preferred embodiment of the present invention, and it is not intended to limit the scope of the present invention, and various modifications and changes may be made by those skilled in the art. Variations, modifications, substitutions, integrations and parameter changes of the embodiments may be made by the conventional substitutes or the same functions may be performed within the spirit and principle of the invention without departing from the principle and spirit of the invention.
Claims (10)
1. A plate-and-frame filter press residual air recycling system is characterized by comprising a plate-and-frame filter press (12), an air storage tank (13) and a water treatment aeration tank (14);
a squeezing evacuation port (1) of the plate-and-frame filter press (12) is connected with an air inlet of an air storage tank (13) through an exhaust pipeline (2);
the air outlet of the air storage tank (13) is connected with an aeration pipe (11) of a water treatment aeration tank (14).
2. The residual air recycling system of the plate and frame filter press according to claim 1, wherein a plurality of air storage tanks (13) are connected in parallel between the exhaust pipeline (2) and the aeration pipe (11) of the water treatment aeration tank (14).
3. The residual gas recycling system of plate and frame filter press according to claim 1, wherein the number of the plate and frame filter presses (12) is plural, and the press vents (1) of the plural plate and frame filter presses (12) share one exhaust duct (2).
4. The plate and frame filter press residual air recycling system according to claim 1, wherein the tail end of the exhaust pipeline (2) is provided with an exhaust valve (6) and a silencer (7).
5. The residual air recycling system of the plate and frame filter press according to claim 2, wherein the front end of the air inlet of the air storage tank (13) is provided with an inlet check valve (4) and an inlet electric valve (5);
and the gas storage tank (13) is provided with a pressure gauge (3).
6. The residual gas recycling system of the plate and frame filter press according to claim 2, wherein the rear end of the gas outlet of the gas storage tank (13) is provided with an outlet check valve (8) and an outlet electric valve (9).
7. The plate and frame filter press residual air recycling system according to claim 2, characterized in that the rear end of the aeration pipe (11) of the water treatment aeration tank (14) is provided with a main regulating valve (10).
8. The use method of the plate and frame filter press residual air recycling system according to any one of claims 1 to 7, comprising the steps of:
s1, opening an inlet check valve (4) and an inlet electric valve (5) of an air storage tank (13);
s2, conveying gas to a plurality of gas storage tanks (13) through an exhaust pipeline (2) by a squeezing evacuation port (1) of the plate-and-frame filter press (12);
s3, when the gas storage pressure of the gas storage tank (13) is lower than 0.3Mpa, setting an electric valve (9) at an outlet of the gas storage tank (13) for conveying gas to the aeration pipe (11) to be in a closed state;
and S4, when the gas storage pressures of all the gas storage tanks (13) exceed 0.9Mpa, closing the electric inlet valves (5) of all the gas storage tanks (13), and opening the emptying valves (6) at the tail ends of the exhaust pipelines (2).
9. The method of using the residual air recycling system of a plate and frame filter press according to claim 8, wherein in the step S4, when the air storage pressure of the single air storage tank (13) exceeds 0.9Mpa, the electric valve (5) of the inlet provided at the front end of the air inlet is set to be in a closed state.
10. The method for using the residual air recycling system of a plate and frame filter press according to claim 9, wherein in the step S4, the electric valve (9) at the outlet of the air storage tank (13) with the air storage pressure exceeding 0.9Mpa is opened to discharge air to the aeration pipe (11) of the water treatment aeration tank (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211709580.2A CN115920504A (en) | 2022-12-29 | 2022-12-29 | Plate-and-frame filter press residual gas recycling system and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211709580.2A CN115920504A (en) | 2022-12-29 | 2022-12-29 | Plate-and-frame filter press residual gas recycling system and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115920504A true CN115920504A (en) | 2023-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211709580.2A Pending CN115920504A (en) | 2022-12-29 | 2022-12-29 | Plate-and-frame filter press residual gas recycling system and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115920504A (en) |
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2022
- 2022-12-29 CN CN202211709580.2A patent/CN115920504A/en active Pending
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