CN213132082U - Automatic feeding and blowing device of plate and frame filter press - Google Patents
Automatic feeding and blowing device of plate and frame filter press Download PDFInfo
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- CN213132082U CN213132082U CN202021535572.7U CN202021535572U CN213132082U CN 213132082 U CN213132082 U CN 213132082U CN 202021535572 U CN202021535572 U CN 202021535572U CN 213132082 U CN213132082 U CN 213132082U
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Abstract
The utility model belongs to the technical field of coal chemical industry water treatment, concretely relates to plate and frame filter press automatic feed gas blowing device, include: the filter press is provided with a feeding hole, a feeding pipeline is arranged at the feeding hole, and a feeding valve is arranged on the feeding pipeline; the air blowing pipeline is arranged on the feeding pipeline and is led from the crevasse position of the feeding pipeline and communicated with a compressed air pipeline, and an air blowing valve is arranged on the air blowing pipeline; the pressure transmitter is arranged at one end, close to the filter pressing mechanism, of the feeding pipeline; one end of the pressure guiding pipe is connected with the pressure transmitter, the other end of the pressure guiding pipe is communicated with a production water pipeline, and a recoil valve is arranged on the pressure guiding pipe; and the control cabinet is used for controlling the working state of the filter press. The pressure filter automatic feed gas blowing device of this scheme of adoption has solved the unable automatic feed of prior art pressure filter, has blown and lead to artifical production efficiency low, the problem that the recruitment is with high costs.
Description
Technical Field
The utility model belongs to the technical field of coal chemical industry water treatment, concretely relates to plate and frame filter press automatic feed gas blowing device.
Background
In the wet acetylene production process, the generated carbide slag slurry needs to be further treated in order to realize the recycling of resources. The plate-frame filter press is widely applied because of the advantages of large filtration driving force, high solid content of filter cakes, clear filtrate, high solid recovery rate and the like. At present, the existing plate-and-frame filter press has the functions of automatic loosening, discharging, pressing and the like, but because the filter press cannot automatically feed and blow, the filtering efficiency is greatly reduced, a DN250 feeding valve needs to be manually opened after pressing at each time, the feeding is carried out for 7 minutes, then a DN50 air blowing valve is opened, the air blowing is carried out for 10 minutes, the feeding amount in the process is large, and the dryness and humidity degree of the blown material cannot be judged, so that the production efficiency is low, and the labor cost is high.
In view of the above, there is a need to improve a filter press in the prior art to solve the problems of low manual production efficiency and high labor cost caused by the fact that the filter press cannot automatically feed and blow air.
Disclosure of Invention
An object of the utility model is to solve the unable automatic feed of prior art middling pressure filter, blow and lead to artifical production efficiency low, the problem that the recruitment is with high costs provides a plate and frame pressure filter automatic feed gas blowing device.
Realize the utility model discloses the technical scheme of purpose as follows:
an automatic feeding and blowing device of a plate and frame filter press comprises:
the filter press is provided with a feeding hole, a feeding pipeline is arranged at the feeding hole, and a feeding valve is arranged on the feeding pipeline;
the blowing pipeline is cut on the feeding pipeline, is led from the cut of the feeding pipeline and is communicated with a compressed air pipeline, and a blowing valve is arranged on the blowing pipeline;
the pressure transmitter is arranged at one end, close to the filter pressing mechanism, of the feeding pipeline;
one end of the pressure guiding pipe is connected with the feeding pipeline, the other end of the pressure guiding pipe is communicated with a production water pipeline, and a back flushing valve is arranged on the pressure guiding pipe;
and the control cabinet is used for controlling the working state of the filter press.
Furthermore, the feed valve adopts a DN250 pneumatic adjusting valve.
Furthermore, the air blowing valve adopts a DN50 pneumatic regulating valve.
Further, the recoil valve adopts a DN25 electromagnetic valve.
Furthermore, the device also comprises an instrument gas pipeline which is respectively connected with the feeding valve and the blowing valve.
Furthermore, the instrument gas pipeline is connected with the feeding valve and the blowing valve through a DN15 gas source ball valve, and the gas source pressure of the DN15 gas source ball valve is not less than 0.6 Mpa.
Furthermore, the range of the pressure transmitter is 0-1Mpa, and the output signal is 4-20 ma.
Compared with the prior art, the beneficial effects of the utility model are that:
compared with the prior art, the automatic feeding and blowing device of the plate and frame filter press has the advantages that one blowing pipeline is led out from the feeding pipeline, the blowing pipeline is connected with the compressed air pipeline, and compressed air is used as a medium for blowing; in addition, a pressure transmitter is installed at one end, close to the filter pressing mechanism, of the feeding pipeline, feeding pressure is detected on line, the production water pipeline is connected with the feeding pipeline through a pressure leading pipe, acetylene sludge adhered to the inner wall of the pressure leading pipe is backflushed through a backflushing valve, and online automatic control is performed on feeding and blowing of the filter press through a control cabinet, so that the working efficiency is improved, the labor intensity of workers is reduced, and the labor cost is reduced.
Drawings
FIG. 1 is a schematic view of the automatic feeding device of a filter press according to the present invention;
wherein, 1, a slurry pipeline; 2. a compressed air line; 3. an instrument gas line; 4. a production water line; 5. a feed conduit; 6. a feed valve; 7. a blowing valve; 8. a recoil valve; 9. a pressure transmitter; 10. a control cabinet; 11. a touch screen; 12. an oil cylinder; 13. a pressure gauge; 14. and (4) a filter press.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
In the description of the present embodiments, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
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 or implicit to a number of indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
The terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
Example 1:
an automatic feeding and blowing device of a plate and frame filter press comprises: the filter press 14 is provided with a feeding hole, a feeding pipeline 5 is installed at the feeding hole, the feeding pipeline 5 is connected with a slag slurry pipeline 1, the slag slurry enters the material pressing machine 14 through the feeding pipeline 5 for filter pressing, and a feeding valve 6 is installed on the feeding pipeline 5; the air blowing pipeline is arranged on the feeding pipeline 5 and is cut, the air blowing pipeline is led from the cut of the feeding pipeline 5 and is communicated with the compressed air pipeline 2, and an air blowing valve 7 is arranged on the air blowing pipeline; the pressure transmitter 9 is arranged at one end, close to the filter pressing mechanism, of the feeding pipeline 5, and the pressure transmitter 9 is arranged at one end, close to the filter pressing mechanism, of the feeding pipeline 5; one end of the pressure guide pipe is connected with the feeding pipeline 5, the other end of the pressure guide pipe is communicated with the production water pipeline 4, and a recoil valve 8 is arranged on the pressure guide pipe; a control cabinet 10, wherein the control cabinet 10 is used for controlling the working state of the filter press 14.
Because the inner wall of the pressure guiding pipe can be blocked by the carbide mud in the running process of the machine, and the recoil valve 8 is arranged on the pressure guiding pipe, the production water in the production water pipeline 4 can flush away the blocking objects adhered to the inner wall of the pressure guiding pipe.
Specifically, be provided with touch-sensitive screen 11 on the switch board 10, be provided with the PLC controller in the switch board 10, touch-sensitive screen 11 is connected with the PLC controller, and 11 picture requirements of touch-sensitive screen: the method comprises the steps of setting operation authority, displaying opening degree of a feed valve 6 in real time, displaying graphs, displaying states of a recoil valve 8, starting a blowing valve 7 in a segmented mode, timing, manually resetting, displaying feeding pressure, setting the maximum opening degree and the starting speed of the feed valve 6, setting the segmented opening mode of the blowing valve 7, setting the maximum feeding pressure, starting time of the recoil valve 8, delaying blowing and manually switching a button of the valve. The normal operation of the filter press 14 is controlled by selecting the above settings.
Siemens S7-200 SMART series PLC is selected as a controller, the touch screen 11 is Siemens SMART 700 series, a control cable is a 1.5x2mm shielded cable, an air source is dry compressed air not less than 0.6Mpa, and the feed valve 6 and the air blowing valve 7 are connected with PLC analog quantity output; the pressure transmitter 9 is connected with the PLC analog input; the recoil valve 8 is connected with the PLC switching value output; the valves are connected with the gas source ball valve through phi 8 stainless steel gas source pipes.
Compare with current manual feeding, blow, this scheme can reduce personnel working strength when improving production efficiency. From the time used in the process of operating one cycle of the filter press 14, the time is about 45 minutes after automatic modification, 10 minutes is saved compared with the original manual operation, and 3-4 hours can be saved every day; the filter cake after filtration is drier, and the filtrate is clearer; each person operates one device before, and each person can operate 3 devices at the same time; the expansibility is stronger, can set up the remote control network, realize many remote monitoring of equipment, operation, further reduce the recruitment cost accurately. In addition, the controller can be interlocked with the discharge opening scraper conveyor, so that the purpose of being started at any time is achieved, and electric energy is saved.
Example 2:
compare in embodiment 1, the automatic feed gas blowing device of plate and frame filter press of this embodiment, it is further still including instrument gas pipeline 3, inlet valve 6 and gas blowing valve 7 are connected respectively to instrument gas pipeline 3, instrument gas pipeline 3 is connected through DN15 air supply ball valve between inlet valve 6 and the gas blowing valve 7, DN15 air supply ball valve's air supply pressure is not less than 0.6Mpa, and pressure transmitter 9's range is 0-1Mpa, and output signal is 4-20 ma.
As a further improvement of the scheme, the feeding valve 6 adopts a DN250 pneumatic regulating valve, the air blowing valve 7 adopts a DN50 pneumatic regulating valve, and the recoil valve 8 adopts a DN25 electromagnetic valve.
Wherein, the DN250 pneumatic adjusting valve and the DN250 pneumatic adjusting valve positioner both support standard signals of 4-20 ma.
Specifically, in combination with embodiment 1, the control program principle of the present invention is as follows:
when the pressure is kept to a pressure maintaining state, the state is taken as a feeding starting instruction, the feeding valve 6 is opened at the speed of 1% per second until the set maximum opening degree is reached, and the maximum opening degree can be modified through the touch screen 11; setting the maximum feeding pressure and the maximum feeding time as the closing conditions of the feeding valve 6, and closing the valve when any one condition is met, wherein the two conditions can be modified through the touch screen 11; delaying for 30 seconds, simultaneously opening the backflushing valve 8 for 5 seconds, backflushing the produced water to induce the accumulated mud in the pressure pipe, and then opening the air blowing valve 7 according to the sequence of 30% opening for 30 seconds, 60% opening for 60 seconds and 100% opening for 600 seconds, wherein the time can be modified through a touch screen, and the material can be prevented from being sprayed at the filter plate by stepwise opening; and finishing the timing, and finishing the whole automatic feeding and blowing process. Meanwhile, a manual switch of a feeding valve and a blowing valve is added on the touch screen, and the valves can be manually switched on and off in emergency.
In addition, an oil cylinder 12 and a pressure gauge 13 are installed on one side of the filter press frame, and in the process that the oil cylinder 12 is compressed, the pressure gauge 13 monitors oil pressure to avoid oil leakage.
After the installation is finished, linkage debugging is carried out, and finally important parameters such as maximum feeding pressure, maximum opening degree and opening speed of the feeding valve 6, segmented opening modes of the air blowing valve 7, opening time of the recoil valve 8, air blowing delay and the like are determined. The parameters are recorded in the touch screen 11, so that the implementation process of the automatic feeding and blowing device is completed, the parameters can be modified at any time along with the change of process conditions and equipment running conditions, and the normal use of the device is ensured.
The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a plate and frame filter press automatic feed gas blowing device which characterized in that includes:
the filter press comprises a filter press body (14), wherein a feeding hole is formed in the filter press body (14), a feeding pipeline (5) is installed at the feeding hole, and a feeding valve (6) is installed on the feeding pipeline (5);
the air blowing pipeline is arranged on the feeding pipeline (5) and is cut, the air blowing pipeline is led from the cut of the feeding pipeline (5) and is communicated with a compressed air pipeline (2), and an air blowing valve (7) is arranged on the air blowing pipeline;
the pressure transmitter (9), the pressure transmitter (9) is arranged at one end, close to the filter pressing mechanism, of the feeding pipeline (5);
one end of the pressure guiding pipe is connected with the feeding pipeline (5), the other end of the pressure guiding pipe is communicated with a production water pipeline (4), and a recoil valve (8) is arranged on the pressure guiding pipe;
a control cabinet (10), wherein the control cabinet (10) is used for controlling the working state of the filter press (14).
2. The automatic feeding and air blowing device of the plate and frame filter press according to claim 1, wherein the feeding valve (6) adopts a DN250 pneumatic regulating valve.
3. The automatic feeding and air blowing device of a plate and frame filter press according to claim 1, wherein the air blowing valve (7) adopts DN50 pneumatic regulating valve.
4. The automatic feeding and blowing device of a plate and frame filter press according to claim 1, wherein the backflushing valve (8) is a DN25 solenoid valve.
5. The automatic feeding and blowing device of a plate and frame filter press according to any one of claims 1 to 3, further comprising an instrument gas pipeline (3), wherein the instrument gas pipeline (3) is respectively connected with the feeding valve (6) and the blowing valve (7).
6. The automatic feeding and air blowing device of a plate and frame filter press according to claim 5, wherein the instrument air pipeline (3) is connected with the feeding valve (6) and the air blowing valve (7) through a DN15 air source ball valve, and the air source pressure of the DN15 air source ball valve is not less than 0.6 MPa.
7. The automatic feeding and blowing device of a plate and frame filter press according to claim 1, wherein the range of the pressure transmitter (9) is 0-1Mpa, and the output signal is 4-20 ma.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021535572.7U CN213132082U (en) | 2020-07-29 | 2020-07-29 | Automatic feeding and blowing device of plate and frame filter press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021535572.7U CN213132082U (en) | 2020-07-29 | 2020-07-29 | Automatic feeding and blowing device of plate and frame filter press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213132082U true CN213132082U (en) | 2021-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021535572.7U Active CN213132082U (en) | 2020-07-29 | 2020-07-29 | Automatic feeding and blowing device of plate and frame filter press |
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| Country | Link |
|---|---|
| CN (1) | CN213132082U (en) |
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2020
- 2020-07-29 CN CN202021535572.7U patent/CN213132082U/en active Active
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