CN212119141U

CN212119141U - Plate-and-frame filter press for discharging desulfurization slurry

Info

Publication number: CN212119141U
Application number: CN202020509289.0U
Authority: CN
Inventors: 郝立东
Original assignee: Weifang Yexing New Type Building Material Co ltd
Current assignee: Weifang Yexing New Type Building Material Co ltd
Priority date: 2020-04-09
Filing date: 2020-04-09
Publication date: 2020-12-11
Anticipated expiration: 2030-04-09

Abstract

The utility model discloses a desulfurization thick liquid is discharged and is used plate frame pressure filter, including two mounting panels, two the top fixedly connected with diaphragm of mounting panel, two rotate between the diaphragm and be connected with the feed liquor pipe that the level set up, be connected with a plurality of filter-pressing boards on the feed liquor pipe, it is a plurality of connect, two through the connecting chain between the filter-pressing board fixedly connected with two fixed plates that are located a plurality of filter-pressing board both sides between the diaphragm, connecting block and fixed plate sliding connection through corresponding are passed through at the both ends of filter-pressing board, two filter-pressing mouths have been seted up to the both sides of filter-pressing board. The utility model discloses, through the cooperation work between the strengthening mechanism, make the filter cake between two adjacent filter-pressing boards receive the drum gasbag extrusion, further extrude the water in the filter cake, effectually avoided traditional current plate and frame filter press dewatering performance not enough, make the water content still more problem in the desulfurization thick liquid, promoted the dehydration efficiency of desulfurization thick liquid greatly.

Description

Plate-and-frame filter press for discharging desulfurization slurry

Technical Field

The utility model relates to a pressure filter technical field especially relates to a desulfurization thick liquid is discharged and is used plate and frame pressure filter.

Background

The existing desulfurization and denitrification facility adopts FOSS desulfurization and denitrification integrated technology and a single-furnace single-tower desulfurization and denitrification device, the performance guarantee and the technical requirements of the integrated technology all meet the requirements of the scheme, the design flue gas desulfurization efficiency requirement is not less than 94 percent, and the flue gas denitrification efficiency requirement is not less than 88 percent.

Plate and frame filter press is the machinery that is applied to the chemical industry dehydration at first, can produce the desulfurization thick liquid after present SOx/NOx control technology work is accomplished, need handle the desulfurization thick liquid with plate and frame filter press, realize further dehydration, current plate and frame filter press dewatering performance is not enough on the one hand, make the moisture content still more in the desulfurization thick liquid, on the other hand the filter press washing after the work generally directly sprays the clear water between two filter pressing plates, do not directly openly wash the filter pressing plate, the cleaning performance is good inadequately, for this reason, provide a desulfurization thick liquid and discharge with plate and frame filter press.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems that the dehydration performance of a plate-and-frame filter press in the prior art is not enough, the water content in the desulfurization slurry is still more, and providing a plate-and-frame filter press for discharging the desulfurization slurry.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a plate-frame filter press for discharging desulfurization slurry comprises two mounting plates, wherein the tops of the two mounting plates are fixedly connected with transverse plates, a horizontally arranged liquid inlet pipe is rotatably connected between the two transverse plates, the liquid inlet pipe is connected with a plurality of filter pressing plates, the filter pressing plates are connected with one another through connecting chains, two fixing plates positioned on two sides of the filter pressing plates are fixedly connected between the two transverse plates, two ends of each filter pressing plate are slidably connected with the fixing plates through corresponding connecting blocks, two filter pressing ports are formed in two sides of each filter pressing plate, a filter screen is fixedly connected to the inner side walls of the filter pressing ports, filter cloth is connected to the side faces of the filter screen, the inner side walls of the two filter pressing ports are communicated with one another through a connecting port, a liquid outlet is formed in the bottom of the connecting port, a water guide pipe is fixedly connected to the inner side wall of the liquid outlet, and, the water guide pipe is communicated with the water outlet pipe, the filter pressing port is connected with a reinforcing mechanism, and the transverse plate is connected with a driven mechanism and a cleaning mechanism.

Preferably, the filter pressing plate corresponds to the filter pressing opening on the opposite side of the adjacent filter pressing plate in size.

Preferably, strengthening mechanism is including seting up the enhancement mouth between filter screen and filter-pressing mouth, strengthen the inside wall fixedly connected with drum gasbag of mouth, the connector passes drum gasbag and does not communicate with drum gasbag, the side fixedly connected with forcing pipe of drum gasbag, the one end that the gasbag was kept away from to the forcing pipe is external to have the booster compressor.

Preferably, the driven mechanism comprises first sliding ports formed in the two transverse plates, the inner side wall of each first sliding port is connected with a sliding plate in a sliding mode, and a second sliding port is formed in each sliding plate.

Preferably, wiper mechanism includes a plurality of water storage tank on the internal lateral wall of second sliding port of sliding connection, the side threaded connection of water storage tank has the installation stopper, the last intercommunication of water storage tank is equipped with fixed pipe, the side fixedly connected with a plurality of water pipes of fixed pipe.

Preferably, the sliding plate and the side surface of the water storage tank are externally connected with electric push rods.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the cooperation between the strengthening mechanism, make the filter cake between two adjacent filter-pressing boards receive the drum gasbag extrusion, further extrude the water in the filter cake, effectually avoided traditional current plate and frame filter press dewatering performance not enough, the problem that the water content is still more in the messenger desulfurization thick liquid has promoted the dehydration efficiency of desulfurization thick liquid greatly.

2. Through the cooperation between the driven mechanism and the cleaning mechanism, water is sprayed out through the water outlet pipes, and the sprayed water faces the filter cloth after filter pressing, so that the problem that the conventional filter press is cleaned by directly spraying clean water between the two filter pressing plates without directly washing the filter pressing plates from the front side is effectively solved, and the cleaning effect is improved.

Drawings

FIG. 1 is a schematic structural view of a plate and frame filter press for discharging desulfurization slurry according to the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is a schematic structural view of a sliding plate of a plate and frame filter press for discharging desulfurization slurry according to the present invention;

fig. 4 is an enlarged view at B in fig. 3.

In the figure: the device comprises a mounting plate 1, a filter pressing plate 2, a connecting chain 3, a transverse plate 4, a liquid inlet pipe 5, a water outlet pipe 6, a connecting port 7, a water guide pipe 8, a connecting block 9, a fixing plate 10, a sliding plate 11, a pressurizing pipe 12, an air bag 13, a filter screen 14, filter cloth 15, a filter pressing port 16, a water storage tank 17, a water flowing pipe 18 and a fixing pipe 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a plate-and-frame filter press for discharging desulfurization slurry comprises two mounting plates 1, wherein the tops of the two mounting plates 1 are fixedly connected with transverse plates 4, a horizontally arranged liquid inlet pipe 5 is rotatably connected between the two transverse plates 4, the liquid inlet pipe 5 is connected with a plurality of filter pressing plates 2, the filter pressing plates 2 are connected through connecting chains 3, two fixing plates 10 positioned at two sides of the filter pressing plates 2 are fixedly connected between the two transverse plates 4, two ends of each filter pressing plate 2 are slidably connected with the fixing plates 10 through corresponding connecting blocks 9, two filter pressing ports 16 are formed in two sides of each filter pressing plate 2, the filter pressing plates 2 correspond to the filter pressing ports 16 on the opposite sides of the adjacent filter pressing plates 2 in size, a filter screen 14 is fixedly connected to the inner side walls of the filter screen 14, the filter cloth 15 is connected to the side walls of the filter pressing ports 16, and the inner, the liquid outlet has been seted up to the bottom of connector 7, and the inside wall fixedly connected with aqueduct 8 of liquid outlet, the same outlet pipe 6 of one end fixedly connected with of connector 7 is kept away from to a plurality of aqueducts 8, and aqueduct 8 and outlet pipe 6 intercommunication set up.

Be connected with strengthening mechanism on filter-pressing mouth 16, strengthening mechanism is including seting up the enhancement mouth between filter screen 14 and filter-pressing mouth 16, strengthen the inside wall fixedly connected with drum gasbag 13 of mouth, connector 7 passes drum gasbag 13 and does not communicate with drum gasbag 13, the side fixedly connected with forcing pipe 12 of drum gasbag 13, the one end that drum gasbag 13 was kept away from to forcing pipe 12 is external to have the booster compressor, cooperation work through between the strengthening mechanism, make the filter cake between two adjacent filter-pressing boards 2 receive the extrusion of drum gasbag 13, further extrude the water in the filter cake, the effectual current plate and frame filter press dewatering performance of having avoided tradition is not enough, make the water content still more problem in the desulfurization thick liquid, the dehydration efficiency of desulfurization thick liquid has been promoted greatly.

The transverse plates 4 are connected with a driven mechanism and a cleaning mechanism, the driven mechanism comprises a first sliding port arranged on the two transverse plates 4, the inner side wall of the first sliding port is connected with a sliding plate 11 in a sliding way, the sliding plate 11 is provided with a second sliding port, the cleaning mechanism comprises a plurality of water storage tanks 17 connected on the inner side wall of the second sliding port in a sliding way, the side surfaces of the water storage tanks 17 are in threaded connection with mounting plugs, the water storage tanks 17 are communicated with a fixed pipe 19, the side surfaces of the fixed pipe 19 are fixedly connected with a plurality of water flow pipes 18, the sliding plate 11 and the side surfaces of the water storage tanks 17 are both externally connected with electric push rods, through the matching work between the driven mechanism and the cleaning mechanism, water is sprayed out through the plurality of water flow pipes 18, the sprayed water faces towards the filter cloth 15 after filter pressing, the condition that the clean water is generally directly sprayed between the two filter pressing plates 2 in the traditional filter press, the cleaning effect is improved.

The utility model discloses in, press a plurality of filter-pressing boards 2 together, make a plurality of filter-pressing boards 2 support tightly mutually, inject the desulfurization thick liquid through feed liquor pipe 5 this moment, make the desulfurization thick liquid flow to the space that filter-pressing mouth 16 on two adjacent filter-pressing boards 2 supported formation when tight mutually, the desulfurization thick liquid that the low pressure was injected into, make the moisture in the desulfurization thick liquid flow to aqueduct 8 through connector 7, rethread outlet pipe 6 flows, open external booster compressor this moment, make the air-blowing bag 13 that corresponds begin the pressure boost air-blowing, with the further extrusion dewatering of the filter cake between two filter-pressing boards 2, open a plurality of filter-pressing boards 2 at last, it links to each other to make a plurality of filter-pressing boards 2 through connecting link 3, the filter cake between two filter-pressing boards 2 drops automatically, the effectual reduction of the water yield in the desulfurization thick liquid.

The opened filter press plates 2 are then washed by the water in the water storage tank 17, the fixed pipe 19 is moved between the two filter press plates 2 by the moving slide plate 11, the washing is performed between the filter press plates 2 by the moving water storage tank 17, and the water is sprayed through the flow pipes 18, so that the washing is more sufficient.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The plate-and-frame filter press for discharging desulfurization slurry comprises two mounting plates (1) and is characterized in that transverse plates (4) are fixedly connected to the tops of the two mounting plates (1), a horizontally arranged liquid inlet pipe (5) is rotatably connected between the two transverse plates (4), a plurality of filter pressing plates (2) are connected to the liquid inlet pipe (5), the filter pressing plates (2) are connected through connecting chains (3), two fixing plates (10) positioned on two sides of the filter pressing plates (2) are fixedly connected between the two transverse plates (4), two ends of each filter pressing plate (2) are slidably connected with the fixing plates (10) through corresponding connecting blocks (9), two filter pressing ports (16) are formed in two sides of each filter pressing plate (2), filter screens (14) are fixedly connected to the inner side walls of the filter pressing ports (16), and filter fabrics (15) are connected to the side faces of each filter screen (14), two the inside wall of pressure filtration mouth (16) passes through connector (7) intercommunication setting, the liquid outlet has been seted up to the bottom of connector (7), the inside wall fixedly connected with aqueduct (8) of liquid outlet, it is a plurality of the same outlet pipe (6) of one end fixedly connected with of connector (7) are kept away from in aqueduct (8), aqueduct (8) and outlet pipe (6) intercommunication setting, be connected with reinforcing mechanism on pressure filtration mouth (16), be connected with follower and wiper mechanism on diaphragm (4).

2. The filter press for discharging desulfurization slurry according to claim 1, wherein the filter press plates (2) correspond in size to the filter press ports (16) on the opposite side of the adjacent filter press plates (2).

3. The plate and frame filter press for discharging desulfurization slurry according to claim 1, wherein the reinforcement means comprises a reinforcement port provided between the filter screen (14) and the filter press port (16), the inner side wall of the reinforcement port is fixedly connected with a drum air bag (13), the connection port (7) penetrates through the drum air bag (13) and is not communicated with the drum air bag (13), the side surface of the drum air bag (13) is fixedly connected with a pressurization pipe (12), and the end of the pressurization pipe (12) far away from the drum air bag (13) is externally connected with a supercharger.

4. The plate and frame filter press for discharging desulfurization slurry according to claim 1, wherein the driven mechanism comprises a first sliding port formed on two transverse plates (4), a sliding plate (11) is slidably connected to the inner side wall of the first sliding port, and a second sliding port is formed on the sliding plate (11).

5. The plate and frame filter press for discharging desulfurization slurry according to claim 4, wherein the washing mechanism comprises a plurality of water storage tanks (17) slidably connected to the inner side wall of the second sliding port, the side surface of each water storage tank (17) is connected with a mounting plug through a thread, a fixed pipe (19) is communicated with the water storage tanks (17), and a plurality of water flow pipes (18) are fixedly connected to the side surface of the fixed pipe (19).

6. The plate and frame filter press for discharging desulfurization slurry according to claim 5, wherein the sliding plate (11) and the water storage tank (17) are externally connected with electric push rods.