CN219231538U - Pretreatment filter press for hydrogen energy public workshop - Google Patents

Abstract

The utility model relates to the field of hydrogen production equipment, and particularly discloses a pretreatment filter press for a hydrogen energy public workshop, which comprises a machine body, wherein a filter pressing chamber is arranged in the machine body, a filter pressing plate is arranged in the filter pressing chamber, one side of the filter pressing plate is connected with a pressing plate, the pressing plate is connected with the output end of a power element, the filter pressing plate is connected with a feeding pipe and a water outlet pipe, a pressure sensor is arranged on the water outlet pipe, the water outlet pipe is connected with a first port of a five-position three-way valve, a second port of the five-position three-way valve is connected with a qualified water outlet pipe, a third port of the five-position three-way valve is connected with one end of a return pipe, the other end of the return pipe is connected with the feeding pipe, and a return pump is arranged on the return pipe. The utility model can ensure constant water outlet pressure, effectively improve the caking rate of mud cakes, reduce the water content of the mud cakes, accelerate the integrated mud discharging efficiency and improve the grid rate of water production.

Description

Pretreatment filter press for hydrogen energy public workshop

Technical Field

The utility model relates to the technical field of hydrogen production equipment, in particular to a pretreatment filter press for a hydrogen energy public workshop.

Background

In hydrogen utility plants, pretreatment filter presses are one of the common equipment. The pretreatment filter press is used for carrying out filter pressing treatment on various solid-liquid mixtures generated in the hydrogen production process and separating water and mud. The prior pretreatment filter press directly sends sludge into the filtering of the pretreatment filter press and then compresses the sludge by using a pressing plate, water in the compression process directly flows out of a water outlet pipeline, and the filter press discovers that the cement proportion of a solid-liquid mixture is inconsistent when in actual operation, the water outlet pressure is not constant in the filter pressing process, the water content of a mud cake after filter pressing is high, and the caking effect cannot be achieved.

Disclosure of Invention

In order to solve the problems, the utility model provides a pretreatment filter press for a hydrogen energy public workshop, which adopts the following technical scheme:

the utility model provides a pretreatment pressure filter in hydrogen energy public workshop, includes the organism, set up the pressure filter room in the organism, set up the pressure filter board in the pressure filter room, the clamp plate is connected to one side of pressure filter board, the output of power component is connected to the clamp plate, be connected with inlet pipe and outlet pipe on the pressure filter board, set up pressure sensor on the outlet pipe, the first port of five three-way valve of outlet pipe connection, the qualified outlet pipe of second port connection of five three-way valve, the one end of back flow is connected to the third port of five three-way valve, the other end of back flow is connected the inlet pipe, set up the backwash pump on the back flow.

As a preferable technical scheme, the power element is a hydraulic cylinder.

As a preferable technical scheme, the power element is a linear motor.

As a preferred technical solution, the power element is fixedly mounted by a mounting plate.

As the preferable technical scheme, the intelligent control system further comprises a controller, wherein the signal output end of the pressure sensor is connected with the signal input end of the controller, and the signal output end of the controller is connected with the five-position three-way valve and the reflux pump.

As a preferable technical scheme, the controller is a PLC controller.

The beneficial effects of the utility model are as follows: according to the pretreatment filter press for the hydrogen energy public workshop, the return pipeline is additionally arranged, the pressure sensor arranged on the water outlet pipe is used for detecting the water pressure, when the water outlet pressure is overlarge, the five-position three-way valve is opened, so that the water outlet flows back to the filter plate through the return pipeline, the feeding amount of unit time is improved, the water outlet pressure is reduced, the water outlet pressure is constant, the caking rate of mud cakes is effectively improved, the water content of the mud cakes is reduced, the integrated mud discharging efficiency is accelerated, and the water yield is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.

Fig. 1 is a block diagram showing a pretreatment filter press for a hydrogen utility plant according to an embodiment of the present utility model, in which arrows show material flow when the outlet water pressure is lower than a preset outlet water pressure value.

Fig. 2 is a block diagram showing a pretreatment filter press for a hydrogen utility plant according to an embodiment of the present utility model, wherein arrows show material flow directions when a water outlet pressure is equal to or higher than a preset water outlet pressure value.

Fig. 3 is a block diagram showing a pretreatment filter press for a hydrogen energy utility plant according to an embodiment of the present utility model, in which arrows indicate signal flow directions of respective electronic components to indicate line connection manners of the respective electronic components.

In the figure, 1 is a machine body, 2 is a filter press chamber, 3 is a filter press plate, 4 is a press plate, 5 is a power element, 6 is a feed pipe, 7 is a water outlet pipe, 8 is a pressure sensor, 9 is a qualified water outlet pipe, 10 is a return pipe, 11 is a return pump, 12 is a five-position three-way valve, 13 is a controller, and 14 is a mounting plate.

Description of the embodiments

Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples.

The applicant finds through experiments that under the condition that a power element provides pressure for a pressing plate by constant power, if the pressure of discharged water is too high, the mud content in water produced by the solid-liquid mixture after the secondary pressure filtration treatment is too high, the water quality is unqualified, mud blocks on the pressing plate cannot be formed due to the fact that the mud blocks contain a certain amount of water, and the produced mud blocks are not beneficial to cleaning from the pressing plate and do not meet the qualified standard of the mud blocks. Based on this, an embodiment of the present utility model provides a pretreatment filter press for a hydrogen energy public workshop, as shown in fig. 1 and fig. 2, the pretreatment filter press for the hydrogen energy public workshop includes a machine body 1, a filter pressing chamber 2 is disposed in the machine body 1, a filter pressing plate 3 is disposed in the filter pressing chamber 2, one side of the filter pressing plate 3 is connected with a pressing plate 4, the pressing plate 4 is connected with an output end of a power element 5, the filter pressing plate 3 is connected with a feed pipe 6 and a water outlet pipe 7, a pressure sensor 8 is disposed on the water outlet pipe 7, the water outlet pipe 7 is connected with a first port of a five-position three-way valve 12, a second port of the five-position three-way valve 12 is connected with a qualified water outlet pipe 9, a third port of the five-position three-way valve 12 is connected with one end of a return pipe 10, the other end of the return pipe 10 is connected with the feed pipe 6, and a return pump 11 is disposed on the return pipe 10.

In a specific implementation, a solid-liquid mixture to be subjected to filter pressing treatment (generally, cement-containing slurry generated in the hydrogen production process) enters the filter pressing plate 3 through the feed pipe 6, the power element 5 provides pressure for the pressing plate 4 with constant power, the filter pressing plate 3 is extruded to realize filter pressing on the solid-liquid mixture, mud remains in the filter pressing plate 3 (generally, the mud is trapped through filter cloth carried by the filter pressing plate 3), and water flows out through the water outlet pipe 7, and a worker can adjust the connection mode of the five-position three-way valve 12 according to the water outlet pressure detected by the pressure sensor 8 so as to improve the water outlet qualification rate and the mud cake qualification rate, and the method is as follows:

in fig. 1, the arrow shows the flow direction of the material when the outlet water pressure is lower than the preset outlet water pressure value, the water quality is qualified at the moment, and the five-position three-way valve 12 is adjusted, so that the outlet water pipe 7 is connected with the qualified outlet water pipe 9, and the water treated by the filter press is directly discharged.

In fig. 2, the arrow shows the flow direction of the material when the outlet water pressure is greater than or equal to the preset outlet water pressure value, the outlet water carries excessive suspended matters, at this time, the reflux pump 11 is opened, the five-position three-way valve 12 is adjusted, the outlet water pipe 7 is connected with the reflux pipe 10, the outlet water flows back to the filter pressing plate 3 through the reflux pipe 10 and the feed pipe 6 for reprocessing, and after the outlet water pressure is lower than the preset outlet water pressure value, the five-position three-way valve 12 is adjusted again, so that the outlet water pipe 7 is connected with the qualified outlet water pipe 9, and qualified outlet water is discharged.

In some embodiments, the power element 5 may be selected as a hydraulic cylinder or a linear motor.

Further, as shown in fig. 1 and 2, the power element 5 is fixedly mounted by a mounting plate 14, wherein the mounting plate 14 may be provided at one side of the machine body 1.

In some embodiments, an automated control structure is provided, as shown in fig. 3, where arrows in fig. 3 indicate signal flow directions of the respective electronic components to indicate a wiring connection manner of the respective electronic components. Specifically, the pretreatment filter press of the hydrogen energy public workshop further comprises a controller 13, a signal output end of the pressure sensor 8 is connected with a signal input end of the controller 13, and a signal output end of the controller 13 is connected with the five-position three-way valve 12 and the reflux pump 11.

The specific automatic control principle is as follows:

the controller 13 receives the water outlet pressure detected by the pressure sensor 8, and when the water outlet pressure is lower than a preset water outlet pressure value, the five-position three-way valve 12 is controlled to enable the water outlet pipe 7 to be connected with the qualified water outlet pipe 9, and water outlet directly flows out according to the arrow direction shown in the figure 1; when the water outlet pressure is greater than or equal to a preset water outlet pressure value, the reflux pump 11 is controlled to be opened, the five-position three-way valve 12 is adjusted, the water outlet pipe 7 is connected with the reflux pipe 10, the water outlet flows back to the filter pressing plate 3 through the reflux pipe 10 and the feed pipe 6 for reprocessing according to the arrow direction shown in fig. 2, and after the water outlet pressure is lower than the preset water outlet pressure value, the five-position three-way valve 12 is adjusted again, the water outlet pipe 7 is connected with the qualified water outlet pipe 9, and qualified water is discharged.

In addition, the applicant considers that numerous electronic detection elements and electronic execution elements exist in the whole hydrogen production system process, and in order to integrate with the automation control of other electronic elements conveniently, the controller 13 is preferably a PLC controller, and the PLC controller has a plurality of I/O interfaces, so that more data collection and emission of downlink control signals can be realized, and the automation control cooperation with other devices is facilitated, so that the hydrogen production system has a wide application space.

The present embodiment compares the existing filter press with the present utility model, the present utility model produces more water about 50 per day, more water about 350 per week, more water about 1500 per month, more water about 18000 per year, each water about 5 yuan, and the cost is saved 18000 x 5=9 ten thousand yuan throughout the year. Therefore, the utility model can improve the recovery efficiency of the sludge, reduce the treatment cost of the sludge and has good economic benefit.

The above embodiments are only for illustrating the present utility model, not for limiting the present utility model, and various changes and modifications may be made by one of ordinary skill in the relevant art without departing from the spirit and scope of the present utility model, and therefore, all equivalent technical solutions are also within the scope of the present utility model, and the scope of the present utility model is defined by the claims.

Claims (6)

1. The utility model provides a pretreatment pressure filter in hydrogen energy public workshop, includes the organism, set up the pressure filter room in the organism, set up the pressure filter board in the pressure filter room, the clamp plate is connected to one side of pressure filter board, the output of power component is connected to the clamp plate, be connected with inlet pipe and outlet pipe on the pressure filter board, a serial communication port, set up pressure sensor on the outlet pipe, the first port of five three-way valve of outlet pipe connection, the qualified outlet pipe of second port connection of five three-way valve, the one end of back flow is connected to the third port of five three-way valve, the other end of back flow is connected the inlet pipe, set up the backwash pump on the back flow.

2. The hydrogen utility plant pretreatment filter press of claim 1, wherein the power element is a hydraulic cylinder.

3. The hydrogen utility plant pretreatment filter press of claim 1, wherein the power element is a linear motor.

4. A hydrogen utility plant pretreatment filter press as claimed in claim 1, wherein said power element is fixedly mounted by a mounting plate.

5. The hydrogen utility plant pretreatment filter press of any one of claims 1 to 4, further comprising a controller, wherein a signal output of the pressure sensor is connected to a signal input of the controller, and wherein a signal output of the controller is connected to the five-position three-way valve and the return pump.

6. The hydrogen utility plant pretreatment filter press of claim 5, wherein the controller is a PLC controller.

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