CN214130458U - Online cleaning equipment for filter cloth of filter press - Google Patents
Online cleaning equipment for filter cloth of filter press Download PDFInfo
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- CN214130458U CN214130458U CN202022814016.XU CN202022814016U CN214130458U CN 214130458 U CN214130458 U CN 214130458U CN 202022814016 U CN202022814016 U CN 202022814016U CN 214130458 U CN214130458 U CN 214130458U
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Abstract
The utility model relates to an online cleaning device for filter press filter cloth, which comprises a main body structure, a connecting part and an aeration part, wherein the connecting part is fixedly connected with the base body part and is used for being detachably and hermetically connected with a filter pressing barrel, the aeration part is fixedly connected with the base body part to form a cleaning space, and the main body structure is internally provided with an air channel and a liquid channel which are mutually independent; the aeration device comprises an air pump, an air valve and an air pipe, the air pipe is communicated with the air channel and the air pump, and the air valve is arranged on the air pipe; the bubble washing device comprises a water inlet pipe, a water outlet pipe, a water pump and a three-way valve, wherein one end of the water inlet pipe is communicated with the water inlet end of the liquid channel, the water pump and the three-way valve are arranged on the water inlet pipe, and the water outlet pipe is communicated with the water inlet pipe through the three-way valve. This online cleaning equipment of pressure filter cloth need not to dismantle the filter cloth from the filter vat, but is connected this cleaning equipment and filter vat, directly washs the filter cloth in the filter vat, has effectively slowed down the ageing speed of filter cloth, has prolonged life.
Description
Technical Field
The utility model relates to a pressure filter washs technical field, especially relates to a pressure filter cloth on-line cleaning equipment.
Background
The filter press is equipment for sludge treatment in a sewage treatment system and has the functions of carrying out filter pressing on sludge, separating mud from water and generating filtrate and large mud cakes so as to be discharged or subjected to next treatment. The filter cloth is continuously compressed in operation, water in the sludge permeates the filter cloth and flows away through a flow channel, and due to the fact that pressure is high and alkaline sludge is filtered for a long time (a sewage treatment process is generally an alkaline working condition), the filter cloth can become hard and brittle after being used for a period of time, the interception performance of the filter cloth is reduced, and even the filter cloth is damaged, if the filter cloth is not replaced in time, the sludge can permeate the filter cloth and is finally deposited on a plate frame to block a filtrate channel.
Therefore, in the using process, the filter cloth can be cleaned in time, the alkaline sludge is prevented from being further attached to the filter cloth to continuously corrode the filter cloth, and the aging of the filter cloth is accelerated. However, the existing filter press is designed to be vehicle-mounted in order to be suitable for sewer pipes all over the city, so that the filter press is difficult to dismount and mount the filter cloth, and the filter cloth is also lack of special cleaning equipment after being dismounted, so that the filter cloth is difficult to clean in time on an operation site.
SUMMERY OF THE UTILITY MODEL
In view of the above, there is a need for an online cleaning device for filter cloth of a filter press, which is used to solve the technical problems of the prior art that the filter cloth of the filter press is difficult to clean on site, so that the filter cloth is rapidly aged and the service life is short.
The utility model provides an online cleaning equipment of pressure filter cloth, this online cleaning equipment of pressure filter cloth are arranged in wasing the filter cloth in the pressure filter bucket of pressure filter, a serial communication port, include: the main structure comprises a base body part, a connecting part and an aeration part, wherein the connecting part is fixedly connected with the base body part and is used for being detachably and hermetically connected with the filter pressing barrel; the main body structure is internally provided with an air channel and a liquid channel which are mutually independent, the air inlet end of the air channel extends to the side surface of the base body part far away from the aeration part, the air outlet end of the air channel extends to the inner wall of the aeration part to form an aeration hole, the water inlet end of the liquid channel is communicated with the side surface of the base body part far away from the aeration part, and the water outlet end of the liquid channel is communicated with the cleaning space; the aeration device comprises an air pump, an air valve and an air pipe, one end of the air pipe is communicated with the air inlet end of the air channel, the other end of the air pipe is communicated with the air outlet end of the air pump, and the air valve is arranged on the air pipe; the bubble washing device comprises a water inlet pipe, a water outlet pipe, a water pump and a three-way valve, wherein one end of the water inlet pipe is communicated with the water inlet end of the liquid channel, the water pump and the three-way valve are arranged on the water inlet pipe, and the water outlet pipe is communicated with the water inlet pipe through the three-way valve.
Furthermore, the online cleaning equipment for the filter cloth of the filter press also comprises a stirring device which comprises a motor, a stirring shaft and a stirring blade, wherein the motor is fixedly connected with the base body part, the stirring shaft penetrates through the base body part in a sealing manner and is rotatably connected with the base body part, the stirring blade is positioned in the cleaning space, and the motor is connected with the stirring blade through the stirring shaft for transmission.
Furthermore, a splicing seam is formed between the connecting part and the aeration part, and an internal thread corresponding to the filter pressing barrel is arranged on the inner wall of the connecting part facing the aeration part.
Further, the soaking and washing device further comprises a liquid medicine tank and a sewage tank, one end of the liquid channel is far away from the water inlet pipe, the end of the liquid channel is arranged in the liquid medicine tank, and one end of the three-way valve is far away from the water outlet pipe, and the end of the three-way valve is arranged in the sewage tank.
Further, the three-way valve is arranged between the water pump and the liquid channel.
Furthermore, the aeration holes are uniformly distributed on the inner wall of the aeration part.
Compared with the prior art, this online cleaning equipment of pressure filter cloth need not to dismantle the filter cloth from the filter vat, but is connected this cleaning equipment and filter vat, directly washs the filter cloth in the filter vat, only needs to provide water, electricity at the job site, just can vibrate through aeration equipment aeration and shake adnexed mud on the filter cloth and get off, and the filter cloth of in time sanitization has effectively slowed down the ageing speed of filter cloth, has prolonged life.
Drawings
FIG. 1 is a cross-sectional view of a prior art filter basket;
FIG. 2 is a schematic structural view of the online cleaning equipment for filter cloth of a filter press provided by the present invention;
fig. 3 is a cross-sectional view of the body structure of fig. 2.
Detailed Description
The following detailed description of the preferred embodiments of the invention, which is to be read in connection with the accompanying drawings, forms a part of this application, and together with the embodiments of the invention, serve to explain the principles of the invention and not to limit its scope.
Referring to fig. 1, the conventional filter vat is generally cylindrical, and includes a vat body 11, a vat cover 12, a filter cloth 13, a sludge pipe 14, and a sewage pipe 15. The cylinder 11 is generally cylindrical, one end of the cylinder is open and is detachably and hermetically connected with the cylinder cover 12 to form a filter cavity in a surrounding manner, and the cylinder 11 and the cylinder cover 12 are usually connected in a threaded engagement manner. The filter cloth 13 is also cylindrical and is fixedly arranged in the filter cavity, one end of the filter cloth is fixedly and hermetically connected with the bottom of the cylinder 11, and the other end of the filter cloth is hermetically connected with the cylinder cover 12, so that the filter cavity is divided into an inner cavity and an outer cavity. The sludge pipe 14 is communicated with the inner cavity, the sewage pipe 15 is communicated with the top of the outer cavity, and valves are arranged on the sludge pipe 14 and the sewage pipe 15. When sludge is cleaned, muddy water is input into the inner cavity through the sludge pipe 14, then the muddy water is filtered by the filter cloth 13, sewage is extracted from the sewage pipe 15, and the sludge is remained in the inner cavity. When the inner cavity is filled with sludge, the cylinder cover 12 is opened to clean the sludge in the inner cavity. The above is the common structure and the working mode of the existing filter vat.
Referring to fig. 2 and 3, the filter press filter cloth on-line cleaning apparatus includes a main structure 2, an aeration device 3, a soaking and washing device 4 and a stirring device 5, which are used for on-line cleaning the filter cloth 13 in the filter vat and cleaning the sludge attached to the filter cloth 13.
The main body structure 2 includes a base portion 21, a connecting portion 22, and an aeration portion 23. The connecting portion 22 is fixedly connected with the base portion 21 and is used for being detachably connected with the cylinder 11 in a sealing manner, so that correspondingly, a plug-in seam is formed between the connecting portion 22 and the aeration portion 23, the inner diameter of the connecting portion 22 is corresponding to the outer diameter of the cylinder 11, and an inner thread corresponding to the outer thread of the cylinder 11 is arranged on the inner wall of the connecting portion 22 facing the aeration portion 23, so that the connecting portion 22 can be connected with the cylinder 11 in a threaded engagement manner, and the sealing performance is achieved.
The aeration section 23 is also cylindrical, and one end is integrally fixed to the base section 21 to form a cleaning space. The cross-sectional shape of the aeration section 23 is the same as the cross-sectional shape of the filter cloth 13, and therefore, in the present embodiment, the aeration section 23 is cylindrical. And because the aeration part 23 needs to be inserted into the outer cavity, the inner wall of the aeration part 23 is larger than the outer diameter of the filter cloth 13, and the outer wall of the aeration part 23 is smaller than the inner diameter of the barrel 11. Thus, the aeration unit 23 can be inserted into the outer chamber during cleaning, and the filter cloth 13 can be positioned in the cleaning space.
The main body structure 2 has a gas passage 24 and a liquid passage 25 formed therein independently of each other. The air inlet end of the air channel 24 extends to the side of the base body part 21 far away from the aeration part 23, the air outlet end of the air channel 24 extends to the inner wall of the aeration part 23 to form aeration holes, and the aeration holes are uniformly distributed on the inner wall of the aeration part 23, so that dead corners which are not aerated on the filter cloth 13 can not occur. The water inlet end of the liquid channel 25 is communicated with the side surface of the base part 21 far away from the aeration part 23, and the water outlet end is communicated with the cleaning space. For clean drainage, the water outlet end is disposed near the aeration section 23, and the base section 21 is rotated so that the water outlet end of the liquid passage 25 is located at the bottom of the cleaning space while ensuring the sealing property at the time of cleaning.
The aeration device 3 comprises an air pump 31, an air pipe 32 and an air valve 33, one end of the air pipe 32 is communicated with the air inlet end of the air channel 24, the other end of the air pipe is communicated with the air outlet end of the air pump 31, and the air valve 33 is arranged on the air pipe 32. The air pump 31 can pump air into the air channel 24 through the air delivery pipe 32, and the air is sprayed out from each aeration hole and impacts the filter cloth 13, so that the filter cloth 13 vibrates, and the sludge attached to the filter cloth 13 is promoted to fall off. The gas valve 33 may preferably be an intermittent valve, so that the gas pipe 32 is intermittently conducted, and the filter cloth 13 is subjected to intermittent aeration vibration, so as to better enable the sludge to fall off.
The soaking and washing device 4 includes a water inlet pipe 41, a water pump 42, a three-way valve 43, and a water outlet pipe 44. One end of the water inlet pipe 41 is communicated with the water inlet end of the liquid channel 25, and the other end of the water inlet pipe can be connected with an external water source and is used for supplying water into the cleaning space through the liquid channel 25 and soaking the filter cloth 13. Since the sludge on the filter cloth is generally alkaline, it is preferable to soak and clean the filter cloth with acidic liquid, in this embodiment, the soaking and cleaning device 4 further includes a liquid medicine tank 45, the other end of the water inlet pipe 41 is disposed in the liquid medicine tank 45, and the liquid medicine tank 45 is configured with a solution of acidic cleaning agent having a pH of about 2, such as a diluted solution of citric acid. A water pump 42 and a three-way valve 43 are sequentially provided on the water inlet pipe 41, and the three-way valve 43 is located between the water pump 42 and the liquid passage 25. One end of the water outlet pipe 44 is communicated with the water inlet pipe 41 through a three-way valve 43, and the other end can be directly guided to a sewer or received by a special sewage tank 46.
The stirring device 5 comprises a motor 51, a stirring shaft 52 and a stirring blade 53, wherein the motor 51 is fixedly connected with the base body 21, the stirring shaft 52 hermetically penetrates through the base body 21 and is rotatably connected with the base body 21, the stirring blade 53 is positioned in the cleaning space, and the motor 51 is connected with the stirring blade 53 through the stirring shaft 52 for transmission.
When cleaning, the cover 12 is removed first, the sludge in the cavity is cleaned, and then the main structure 2 is connected with the cylinder 11 in a sealing way, and the water outlet end of the liquid channel 25 is positioned at the lowest part. Then the valve on the sludge pipe 14 is closed, but the valve on the sewage pipe 15 is opened, then the aeration device 3 and the soaking and washing device 4 are respectively connected with the main body structure 2, the water inlet pipe 41 is conducted through the three-way valve 43, and the water outlet pipe 44 is closed. The cleaning solution prepared in the liquid medicine tank 45 is pumped into the barrel body 11 by the water pump 42 until the filter cavity is completely filled, so that the filter cloth 13 is completely soaked by the cleaning solution, and then the water inlet pipe 41 is closed by the three-way valve 43. Then the gas is fixed in the gas channel 24 by the gas pump 31, the gas overflows from each aeration hole and impacts the filter cloth 13, and the generated vibration causes the sludge attached on the filter cloth 13 to fall off. After a period of aeration vibration washing, the sludge attached to the filter cloth 13 drops off, and the water outlet pipe 44 is conducted through the three-way valve 43, so that the washed sludge flows out from the water outlet pipe 44 along with the washing liquid. In order to avoid that the sludge is deposited at the bottom of the inner cavity and cannot flow out along with the washing liquid, the motor 51 can drive the stirring blade 53 to rotate at a high speed, so that the deposited sludge is mixed with the washing liquid again to form suspension under the action of water flow and then is discharged from the water outlet pipe 44, and thus, the sludge residue can be avoided. When the filter cloth 13 cannot be fully cleaned by one-time cleaning, the above steps can be repeated to perform soaking and cleaning for multiple times until the filter cloth 13 is completely cleaned.
And the last cleaning is preferably performed by clean water, so that the acidic cleaning solution is prevented from remaining on the filter cloth 13 to corrode the filter cloth.
Implement the embodiment of the utility model provides a, following beneficial effect has: this online cleaning equipment of pressure filter cloth need not to dismantle the filter cloth from the filter vat, but is connected this cleaning equipment and filter vat, directly washs the filter cloth in the filter vat, only needs provide water, electricity at the job site, just can vibrate through aeration equipment aeration and shake adnexed mud on the filter cloth and get off, and the filter cloth of in time sanitization has effectively slowed down the ageing speed of filter cloth, has prolonged life.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.
Claims (6)
1. The utility model provides a pressure filter cloth on-line cleaning equipment which is arranged in wasing the filter cloth in the pressure filter bucket of pressure filter, its characterized in that, it includes:
a main structure which comprises a base body part, a connecting part and an aeration part, wherein the connecting part is fixedly connected with the base body part and is used for being detachably and hermetically connected with the filter pressing barrel, the aeration part is in a cylindrical shape, one end of the aeration part is integrally and fixedly connected with the base body part to form a cleaning space, the cross section of the aeration part is the same as that of the filter cloth, the size of the inner wall of the aeration part is larger than that of the outer wall of the filter cloth, the size of the outer wall of the aeration part is smaller than that of the inner wall of the filter pressing barrel, and the aeration part is inserted between the inner wall of the filter pressing barrel and the filter cloth during cleaning so as to enable the filter cloth to be positioned in the cleaning space;
the main body structure is internally provided with an air channel and a liquid channel which are independent of each other, the air inlet end of the air channel extends to the side surface of the base body part far away from the aeration part, the air outlet end of the air channel extends to the inner wall of the aeration part to form an aeration hole, the water inlet end of the liquid channel is communicated with the side surface of the base body part far away from the aeration part, and the water outlet end of the liquid channel is communicated with the cleaning space;
the aeration device comprises an air pump, an air valve and an air pipe, one end of the air pipe is communicated with the air inlet end of the air channel, the other end of the air pipe is communicated with the air outlet end of the air pump, and the air valve is arranged on the air pipe;
the device is washed in bubble, it includes inlet tube, outlet pipe, water pump and three-way valve, inlet tube one end intercommunication the end is intake to the liquid passage, the water pump with the three-way valve set up in on the inlet tube, the outlet pipe passes through the three-way valve with the inlet tube intercommunication.
2. The on-line filter press cloth cleaning apparatus according to claim 1, further comprising an agitator including a motor, an agitator shaft and an agitator blade, wherein the motor is fixedly connected to the base body portion, the agitator shaft is sealed through and rotatably connected to the base body portion, the agitator blade is located in the cleaning space, and the motor is drivingly connected to the agitator blade through the agitator shaft.
3. The on-line cleaning equipment for filter press cloth according to claim 2, wherein a plug-in seam is formed between the connecting part and the aeration part, and an inner thread corresponding to the filter press barrel is formed on the inner wall of the connecting part facing the aeration part.
4. The on-line cleaning equipment for filter press filter cloth according to claim 3, wherein the soaking and washing device further comprises a liquid medicine tank and a sewage tank, one end of the water inlet pipe, which is far away from the liquid channel, is arranged in the liquid medicine tank, and one end of the water outlet pipe, which is far away from the three-way valve, is arranged in the sewage tank.
5. The filter press filter cloth in-line cleaning apparatus according to claim 4, wherein the three-way valve is disposed between the water pump and the liquid passage.
6. The filter press cloth on-line cleaning apparatus according to claim 4, wherein the aeration holes are provided in plurality and uniformly distributed on the inner wall of the aeration part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022814016.XU CN214130458U (en) | 2020-11-27 | 2020-11-27 | Online cleaning equipment for filter cloth of filter press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022814016.XU CN214130458U (en) | 2020-11-27 | 2020-11-27 | Online cleaning equipment for filter cloth of filter press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214130458U true CN214130458U (en) | 2021-09-07 |
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ID=77567654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022814016.XU Active CN214130458U (en) | 2020-11-27 | 2020-11-27 | Online cleaning equipment for filter cloth of filter press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214130458U (en) |
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2020
- 2020-11-27 CN CN202022814016.XU patent/CN214130458U/en active Active
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