CN215387789U - Intermittent squeezing circulating water tank matched with diaphragm filter press - Google Patents
Intermittent squeezing circulating water tank matched with diaphragm filter press Download PDFInfo
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- CN215387789U CN215387789U CN202121904268.XU CN202121904268U CN215387789U CN 215387789 U CN215387789 U CN 215387789U CN 202121904268 U CN202121904268 U CN 202121904268U CN 215387789 U CN215387789 U CN 215387789U
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Abstract
The utility model relates to a circulating water tank for intermittent pressing matched with a diaphragm filter press, which comprises a stainless steel water tank, a water tank outer crawling ladder and a water tank inner crawling ladder; the key points of the innovative scheme are as follows: (1) the stainless steel water tank is provided with various necessary functional water holes, comprises a water inlet, a water outlet, a water return port, an overflow port and a sewage discharge port, can return water, overflow and discharge sewage, can ensure that water storage and water supply are clean by periodically discharging the sewage, and effectively saves energy by utilizing the returned water; (2) the ladder stands inside and outside the water tank facilitate workers to install and overhaul various pipelines up and down; (3) the circulating water tank for squeezing is used as a matched device of the diaphragm filter press and leaves the factory along with the filter press, and has reliable quality; therefore, the technical problems that a squeezing water tank or a squeezing water tank built or made by a user is not standard, the water quality is not clean, muddy water and water scale pollute an elastic diaphragm or block a high-pressure medium hole for a long time, the squeezing dehydration effect is influenced, and the squeezing water is not recycled and does not meet the energy-saving and emission-reducing requirements are solved; the squeezing and dewatering effects are ensured, and the effects of energy conservation and efficiency improvement are achieved.
Description
Technical Field
The utility model belongs to the technical field of corollary equipment of a membrane filter press (patent classification number B01D 25/12), and relates to a circulating water tank for intermittent pressing.
Background
The filter press is a pressurized filtering device with multiple filtering chambers operated intermittently; the membrane filter press is a filter press for performing primary low-pressure static filtration and performing secondary high-pressure medium swelling membrane squeezing filter cake dehydration; the filter press mainly comprises a double-beam frame, a filter plate pressing mechanism, a squeezing and filtering mechanism, a plate pulling and cake unloading mechanism, a filter cloth cleaning mechanism, a liquid receiving and plate turning mechanism and a PLC program control system; the squeezing and filtering mechanism is formed by alternately arranging a plurality of diaphragm filter plates, filter cloth and matched filter plates (without diaphragm filter plates); the diaphragm filter plate is characterized in that a layer of elastic diaphragm is additionally arranged on the basis of a common box-type filter plate, and the elastic diaphragm can squeeze filter cakes to dewater under the bulging of a high-pressure medium.
The single complete operation cycle working process of the membrane filter press comprises the following steps: compacting a filter plate, feeding at low pressure, maintaining pressure, filtering, turning over a plate to receive liquid, squeezing and dehydrating, washing and purifying, back blowing materials, drying and purifying, pulling the plate to remove cakes and cleaning filter cloth; through a PLC control system, single operation cycle is automatically completed by one key; intermittent reciprocating circulation work is carried out to realize solid-liquid separation of batch suspension liquid materials; the method is suitable for solid-liquid separation of various suspension materials (namely a mixture of liquid and solid particles) with low water content of filter cakes.
Squeezing and dewatering (including pressure maintaining), namely, introducing high-pressure fluid or gas medium through a high-pressure medium hole of a chamber to swell a diaphragm to squeeze filter cakes for secondary dewatering, so that the purity of the filter cakes and the recovery rate of filtrate are improved; the filter chamber is automatically locked to keep a pressing state without pressure relief, so that the water content of a filter cake is reduced to the lowest point; when the squeezing pressure is below 0.7MPa, compressed air is used as a high-pressure medium, and when the squeezing pressure is above 0.7MPa, water is used as the high-pressure medium; when using water as the high pressure medium, the user must configure a press water storage facility, including a press water tank or a press water tank.
The existing water storage facility for the diaphragm filter press has the following defects: the water storage facilities are not matched with the matched equipment of the membrane filter press for delivery, a squeezing water pool or a squeezing water tank is freely constructed by a user on the use site of the membrane filter press, the construction of the water storage facilities is not standard, some water storage facilities lack a sewage discharge outlet, some water storage facilities lack a cover plate, the water quality is not clean, muddy water and water scale pollute an elastic membrane or block a high-pressure medium hole for a long time, and the squeezing and dewatering effect is influenced; some users do not recycle the squeezed water, and after the squeezing dehydration process is finished, the squeezed water is taken as waste water to be discharged, so that the requirements of energy conservation and emission reduction are not met, and a squeezing water tank is necessary to be brought into the matched equipment of the diaphragm filter press for standard manufacture and matched with the filter press to leave a factory.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of a water storage facility for the existing diaphragm filter press, solve the technical problems that a squeezing water tank or a squeezing water tank built or made by a user is not standard, the water quality is not clean, muddy water and water scale pollute an elastic diaphragm or block a high-pressure medium hole for a long time, the squeezing and dewatering effects are influenced, and squeezing water is not recycled and does not meet the requirements of energy conservation and emission reduction, and provide the circulating water tank for intermittent squeezing matched with the diaphragm filter press.
The utility model solves the problems of the prior art and adopts the innovative technical scheme that: a circulating water tank for intermittent squeezing (hereinafter referred to as circulating water tank for squeezing) matched with a diaphragm filter press mainly comprises a stainless steel water tank, a water tank outer crawling ladder and a water tank inner crawling ladder; the main point of the general technical scheme is that compared with the prior art, the innovative general structure has the prominent substantive characteristics that: (1) the stainless steel water tank is provided with various necessary functional water holes, comprises a water inlet, a water outlet, a water return port, an overflow port and a sewage discharge port, can be used for water inlet, water outlet, water return, overflow and sewage discharge, can ensure that water storage and water supply are clean by periodically discharging sewage, and effectively saves energy by utilizing the return water; (2) the inner and outer crawling ladders of the water tank facilitate workers to install and overhaul various pipelines up and down and clean sediments at the bottom of the tank; (3) the circulating water tank for squeezing is used as a matched device of the diaphragm filter press and leaves the factory along with the filter press, and has reliable quality; therefore, the technical problems that a squeezing water tank or a squeezing water tank built or made by a user is not standard, the water quality is not clean, muddy water and water scale pollute an elastic diaphragm or block a high-pressure medium hole for a long time, the squeezing dehydration effect is influenced, and the squeezing water is not recycled and does not meet the energy-saving and emission-reducing requirements are solved.
The specific design scheme is as follows: (1) the stainless steel water tank is provided with a top cover water tank in an excircle barrel shape and comprises a water tank main body, a manhole cover, flange short pipes of various fluid ports, double lifting lugs, a tank cylinder reinforcing rib and a tank bottom cross rib; one side of the top cover of the water tank main body is provided with a water tank manhole; the height of the water tank main body corresponds to that of the filter press cake unloading and loading platform truck (namely the water return port of the water tank is lower than a press water pipe of the filter press); the water inlet is positioned on a cover plate of the water tank main body, the double lifting lugs are symmetrically welded on the water tank main body, the water return port and the overflow port are symmetrically positioned on the top side of the water tank main body, the water outlet and the sewage discharge port are positioned on the top side of the water tank main body at intervals of 90 degrees, and the water outlet is slightly higher than the sewage discharge port; (2) the water tank outer ladder comprises a ladder stand pedal, a double ladder stand handrail and a ladder stand bracket, wherein one section of the ladder stand handrail is n-shaped, the height of the ladder stand handrail is higher than that of the water tank main body, and the ladder stand handrail is made of carbon steel; the water tank inner ladder is shorter than the water tank outer ladder by a section of n-shaped ladder above, and is made of stainless steel materials.
The connection relation of the main parts is as follows: (1) assembling and welding a stainless steel water tank: the upper cross rib and the lower cross rib are welded on the bottom and the top cover of the water tank main body, a circle of reinforcing ribs of the tank cylinder are welded in the middle of the inner wall of the water tank main body, the double lifting lugs are symmetrically welded at the cross ribs at the upper edge of the water tank main body, and the flange short pipes of each fluid port are respectively welded on the corresponding fluid port holes; the manhole cover is covered on a manhole of the top cover of the water tank; (2) the installation of the inner ladder and the outer ladder of the water tank: two ends of a plurality of ladder stand pedals are respectively welded on the double ladder stand handrails, and a ladder stand bracket is welded on the double ladder stand handrails perpendicular to the ladder stand pedals to form a water tank outer ladder stand; the upper section of the outer crawling ladder of the water tank is lapped at a manhole of the water tank, and the crawling ladder bracket is welded on the outer wall of the main body of the water tank; the inner ladder stand of the water tank is welded on the inner wall of the water tank body below the manhole of the water tank to form a circulating water tank for squeezing; (3) assembling a circulating water tank for squeezing and a filter press: the water outlet of the water tank and the squeezing water pipe are connected through a high-pressure water supply pipeline and a squeezing water pump; the water return port of the water tank and the squeezing water pipe are connected through a pressure relief water pipeline.
The circulating water tank for intermittent pressing matched with the diaphragm filter press has the advantages of standard design, reasonable structure, factory delivery matched with a host, circulating water use and reliable quality, and has the beneficial effects that the water tank for pressing is brought into the equipment matched with the diaphragm filter press for standard manufacture and is matched with the filter press for delivery, so that the water quality for pressing is not clean, the water for pressing can be recycled, the requirements of the water quality for pressing and the recycling of the water for pressing of the diaphragm filter press are met, the effect of pressing and dehydration is ensured, and the energy is saved and the efficiency is increased.
Drawings
Fig. 1 is a schematic front view of a circulating water tank for intermittent pressing matched with the membrane filter press.
FIG. 2 is a right view schematically showing a circulation water tank for intermittent pressing which is used in conjunction with the membrane filter press according to the present invention.
Fig. 3 is a schematic top view of a circulation water tank for intermittent pressing which is used with the membrane filter press of the present invention.
Fig. 4 is a schematic diagram of an external ladder stand of a water tank of a circulating water tank for intermittent pressing matched with the membrane filter press.
FIG. 5 is a schematic view showing the connection between a circulation water tank for intermittent pressing and a corresponding membrane filter press which are matched with the membrane filter press according to the present invention.
Reference numerals: 1-a stainless steel water tank, 2-a water tank outer ladder stand, 3-a water tank inner ladder stand, 4-a manhole cover, 5-a water inlet, 6-a water outlet, 7-a water return port, 8-an overflow port, 9-a sewage discharge port, 10-double lifting lugs, 11-a tank cylinder reinforcing rib (namely a tank waist reinforcing rib), 12-upper and lower top and bottom cross ribs (short for upper and lower cross ribs), 13-a ladder stand pedal, 14-a ladder stand handrail, 15-a ladder stand, 16-a circulating water tank for intermittent squeezing of a membrane filter press (a circulating water tank for squeezing or the utility model), 17-a squeezing water pipe, 18-a membrane filter plate, 19-a box type distribution plate and 20-a squeezing water pump.
Detailed Description
The technical solution of the embodiment of the present invention will be described below with reference to the accompanying drawings of an embodiment of a circulation water tank for intermittent pressing of a membrane filter press according to the present invention, and the described embodiment is only a part of the preferred embodiments of the present invention, but not all of them. All other embodiments, such as a press circulating water tank with a similar structure and a matching manner with a main machine, which are not inventive by the technical personnel in the field, belong to the protection scope of the utility model.
Example 1
A circulating water tank 16 for intermittent squeezing (abbreviated as a circulating water tank for squeezing) matched with a diaphragm filter press mainly comprises a stainless steel water tank 1, a water tank outer ladder 2 and a water tank inner ladder 3; the main point of the general technical scheme is that compared with the prior art, the innovative general structure has the prominent substantive characteristics that: (1) the stainless steel water tank 1 is provided with various necessary functional water holes, comprises a water inlet 5, a water outlet 6, a water return port 7, an overflow port 8 and a sewage discharge port 9, can be used for water inlet, water outlet, water return, overflow and sewage discharge, can ensure clean water storage and water supply by periodically discharging the sewage, and effectively saves energy by utilizing the return water; (2) the inner and outer crawling ladders 2 and 3 of the water tank facilitate workers to install and overhaul various pipelines up and down and clean sediments at the bottom of the tank; (3) the circulating water tank 16 for squeezing is used as a matched device of a diaphragm filter press and leaves a factory along with the filter press, and has reliable quality; the water outlet 6 of the water tank and the squeezing water pipe 17 are connected through a high-pressure water supply pipeline and a squeezing water pump 20; the water tank water return port 7 and the squeezing water pipe 17 are connected through a pressure relief water pipeline; the detailed description is as follows.
The stainless steel water tank 1 is provided with a top cover water tank in an excircle barrel shape and comprises a water tank main body, a manhole cover 4, flange short pipes of various fluid ports, double lifting lugs 10, a tank barrel reinforcing rib 11 and upper and lower top and bottom cross ribs 12; one side of the top cover of the water tank main body is provided with a water tank manhole; the height of the water tank main body corresponds to that of a filter press mounting table (namely the water tank return port 7 is lower than a filter press squeezing water pipe 17); the water inlet 5 is located the apron of water tank main part, and 10 symmetric welds of double-lifting lug on water tank main part, and return water mouth 7 and 8 symmetric locates water tank main part top sides of overflow mouth, and delivery port 6 and 9 alternate 90 degrees of drain are located water tank main part top sides, and delivery port 6 is a little higher than drain 9. An upper cross rib 12 and a lower cross rib 12 are welded on the bottom and the top cover of the water tank main body, a circle of reinforcing ribs 11 (namely tank waist reinforcing ribs) of a tank cylinder are welded in the middle of the inner wall of the water tank main body, double lifting lugs 10 are symmetrically welded at the cross ribs 11 at the upper edge of the water tank main body, and each fluid port flange short pipe is respectively welded on a corresponding fluid port hole; the manhole cover 4 covers a manhole of the top cover of the water tank; the high pressure medium is used for storing and recycling the pressing water of the swelling membrane, namely the high pressure medium of the swelling membrane for the membrane filter press.
The water tank outer ladder 2 comprises a ladder step pedal 13, a double-ladder handrail 14 and a ladder support 15, wherein one section of the ladder handrail 14 is n-shaped, the ladder handrail 14 is higher than a water tank main body, and the ladder handrail is made of carbon steel. Two ends of a plurality of ladder climbing pedals 13 are respectively welded on the double ladder climbing handrail 14, and a ladder climbing bracket 15 is welded on the double ladder climbing handrail 14 perpendicular to the ladder climbing pedals 13 to form the water tank outer ladder 2; the upper section of the n-shaped ladder stand of the outer ladder stand 2 of the water tank is arranged at the manhole of the water tank, and the ladder stand bracket 15 is welded on the outer wall of the main body of the water tank; the device is used for installing and overhauling various pipelines of the upper water tank and the lower water tank of a worker.
The inner water tank ladder stand 3 is shorter than the outer water tank ladder stand 2 in a section of n-shaped ladder stand and is made of stainless steel materials; the water tank inner ladder 3 is welded on the inner wall of the water tank body below the water tank manhole; the cleaning device is used for cleaning sediments when workers enter the water tank.
The circulating water tank 16 for intermittent pressing matched with the membrane filter press provided by the utility model has the advantages of standard design, reasonable structure, factory matched with a host, circulating water and reliable quality; the technical problems that a squeezing water tank or a squeezing water tank built or made by a user is not standard, water quality is not clean, muddy water and water scale pollute an elastic diaphragm or block a high-pressure medium hole for a long time, squeezing dehydration effect is influenced, and squeezing water is not recycled and does not meet energy-saving and emission-reduction requirements are solved; the squeezing and dewatering efficiency is ensured, and the energy is saved and the efficiency is increased.
Example 2
Assembly of the circulation water tank for squeezing 16: after the membrane filter press is arranged on a cake unloading and loading platform or a filter cake conveyor rack, a plurality of membrane filter plates 18, filter cloth and matched filter plates 19 (without membrane filter plates) are arranged alternately to form a squeezing and filtering mechanism; a circulating water tank 16 for squeezing is hung beside a cake unloading and loading platform of the filter press by using a double lifting lug 10, and a water return port 7 of the water tank is ensured to be lower than a squeezing water pipe 17 of the filter press so as to return water; the water outlet 6 of the water tank and the squeezing water pipe 17 are connected through a high-pressure water supply pipeline and a squeezing water pump 20; the water return opening 7 of the water tank and the squeezing water pipe 17 are connected through a pressure relief water pipeline.
Use of the circulation water tank for squeezing 16: (1) adding water into a water tank: the tap water is filled into the water tank from the water inlet 5, namely the tap water is filled until the tap water flows out from the overflow port 8 of the water tank; the overflow port 8 is in a normally open state and can also be used as a breathing hole to balance the air pressure in the stainless steel water tank 1; (2) pumping water and squeezing: when squeezing is needed, the squeezing water pump 20 is automatically started, water in the water tank is input into the diaphragm filter plate 18 through the squeezing water pump 20 and the squeezing water pipe 17 through the water outlet 6, high-pressure water with the pressure of more than 0.7MPa swells the diaphragm to squeeze filter cakes for the second time for dehydration, and the purity of the filter cakes and the recovery rate of filtrate are improved; the filter chamber is automatically locked to keep a pressing state without pressure relief, so that the water content of a filter cake is reduced to the lowest point; (3) pressure relief and water return: after the squeezing and filtering are finished, the pressure relief water flows back to the circulating water tank 16 along the squeezing water pipe 17 and the water return port so as to be beneficial to cyclic utilization, energy conservation and emission reduction; (4) cleaning a water tank: workers can enter the water tank through a manhole of the water tank, precipitate in the water tank is cleaned regularly, and sewage is discharged from a sewage outlet 9 of the water tank; and the running water is added again, so that the squeezed water is ensured to be clean, and the squeezing and dewatering effects are ensured.
The intermittent pressing circulating water tank 16 matched with the diaphragm filter press has the advantages that the pressing water tank is brought into the matched equipment of the diaphragm filter press for standard manufacture and leaves the factory along with the filter press, so that the pressing water quality is not clean, the pressing water can be recycled, the pressing water quality requirement and the pressing water recycling requirement of the diaphragm filter press are met, the pressing dehydration effect is ensured, and the energy and the efficiency are saved.
Claims (2)
1. A circulating water tank for intermittent pressing matched with a diaphragm filter press comprises a stainless steel water tank, a water tank outer crawling ladder and a water tank inner crawling ladder; the method is characterized in that: the stainless steel water tank is provided with a top cover water tank in an excircle barrel shape and comprises a water tank main body, a manhole cover, flange short pipes of various fluid ports, double lifting lugs, a tank cylinder reinforcing rib and a tank bottom cross rib; each fluid port comprises a water inlet, a water outlet, a water return port, an overflow port and a sewage discharge port; the water tank outer ladder comprises a ladder stand pedal, a double ladder stand handrail and a ladder stand bracket, wherein one section of the ladder stand handrail is n-shaped, the height of the ladder stand handrail is higher than that of the water tank main body, and the ladder stand handrail is made of carbon steel; the inner water tank crawling ladder is shorter than the outer water tank crawling ladder by a section of n-shaped crawling ladder and is made of stainless steel materials; two ends of a plurality of ladder stand pedals are respectively welded on the double ladder stand handrails, and a ladder stand bracket is welded on the double ladder stand handrails perpendicular to the ladder stand pedals to form a water tank outer ladder stand; the upper section of the outer crawling ladder of the water tank is lapped at a manhole of the water tank, and the crawling ladder bracket is welded on the outer wall of the main body of the water tank; the water tank inner ladder stand is welded on the inner wall of the water tank body below the water tank manhole.
2. The circulation water tank for intermittent pressing matched with the membrane filter press according to claim 1, wherein one side of the top cover of the stainless steel water tank body is provided with a water tank manhole; the height of the water tank main body corresponds to that of the filter press cake unloading and loading platform truck, namely the water return port of the water tank is lower than a press water pipe of the filter press; the water inlet is positioned on a cover plate of the water tank main body, the double lifting lugs are symmetrically welded on the water tank main body, the water return port and the overflow port are symmetrically positioned on the top side of the water tank main body, the water outlet and the sewage discharge port are positioned on the top side of the water tank main body at intervals of 90 degrees, and the water outlet is slightly higher than the sewage discharge port; the upper cross rib and the lower cross rib are welded on the bottom and the top cover of the water tank main body, a circle of reinforcing ribs of the tank cylinder are welded in the middle of the inner wall of the water tank main body, the double lifting lugs are symmetrically welded at the cross ribs at the upper edge of the water tank main body, and the flange short pipes of each fluid port are respectively welded on the corresponding fluid port holes; the manhole cover covers the manhole of the top cover of the water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121904268.XU CN215387789U (en) | 2021-08-16 | 2021-08-16 | Intermittent squeezing circulating water tank matched with diaphragm filter press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121904268.XU CN215387789U (en) | 2021-08-16 | 2021-08-16 | Intermittent squeezing circulating water tank matched with diaphragm filter press |
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| Publication Number | Publication Date |
|---|---|
| CN215387789U true CN215387789U (en) | 2022-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121904268.XU Active CN215387789U (en) | 2021-08-16 | 2021-08-16 | Intermittent squeezing circulating water tank matched with diaphragm filter press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215387789U (en) |
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2021
- 2021-08-16 CN CN202121904268.XU patent/CN215387789U/en active Active
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Address after: 253034 Shandong province Dezhou Jinghua Road Economic Development Zone Jingjin group Patentee after: Jingjin Equipment Co.,Ltd. Address before: 253034 Shandong province Dezhou Jinghua Road Economic Development Zone Jingjin group Patentee before: Jing Jin Environmental Protection Inc. |
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| CP01 | Change in the name or title of a patent holder |