CN210814254U

CN210814254U - Liquid drainage system of filter

Info

Publication number: CN210814254U
Application number: CN201921626121.1U
Authority: CN
Inventors: 苏勇; 柴福源
Original assignee: Urad Houqi Zijin Mining Co Ltd
Current assignee: Urad Houqi Zijin Mining Co Ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-06-23
Anticipated expiration: 2029-09-27

Abstract

The utility model discloses a filter flowing back system, including the filtrating jar body, the filtrating jar body includes first filtrating jar and second filtrating jar, first filtrating jar bottom insert in the second filtrating jar and with second filtrating jar fixed connection, the bottom difference fixedly connected with fluid-discharge tube of first filtrating jar and second filtrating jar, connecting rod fixedly connected with burden heavy piece is passed through to fluid-discharge tube bottom side, and it has the drainage bottom valve to articulate on the connecting rod, first filtrating jar top side end fixedly connected with two feed liquor pipes, on two feed liquor pipes respectively fixed mounting have the filtrating valve, first filtrating jar top opposite side is equipped with the tee bend connecting pipe, two outputs of tee bend connecting pipe communicate with each other with first filtrating jar and pipe fixed connection respectively. The utility model discloses directly save filtrate pump, level gauge and flowing back valve, the material moisture after the filtration is few, and the maintenance cost is low, and the fault rate is low.

Description

Liquid drainage system of filter

Technical Field

The utility model relates to a ceramic filter technical field specifically is a filter flowing back system.

Background

The existing ceramic filter mainly comprises a roller system, a stirring system, an ore feeding and discharging system, a vacuum system and a filtrate discharging system, wherein a green field system comprises a filtrate tank, a filtrate valve, a filtrate pump and a liquid level meter, a PLC automatically executes to open the filtrate valve under the condition that the liquid level meter detects high liquid level in the filtrate tank, the filtrate pump is started to discharge liquid, and the filtrate pump is stopped by closing the filtrate valve when the liquid level reaches a low level.

However, when the liquid level meter works specifically, the filtrate valve is easy to clamp and cannot be sealed after long service time, a vacuum system sucks air from the outlet of the filtrate pump to cause insufficient negative pressure, the filtered finished product has high moisture, the filtrate pump is frequently maintained, the maintenance cost is high, the insulation between the liquid level meter and a water contact electrode is reduced for a long time, and the misoperation phenomenon occurs. Therefore, the filter drainage system is improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects existing in the prior art, the utility model provides a liquid drainage system of a filter.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a filter drainage system, which comprises a filtrate tank body, wherein the filtrate tank body comprises a first filtrate tank and a second filtrate tank, the bottom end of the first filtrate tank is inserted into the second filtrate tank and is fixedly connected with the second filtrate tank, the bottom ends of the first filtrate tank and the second filtrate tank are respectively and fixedly connected with a drainage pipe, the bottom side end of the drainage pipe is fixedly connected with a negative weight block through a connecting rod, a drainage bottom valve is hinged on the connecting rod, the side end of the top of the first filtrate tank is fixedly communicated and connected with two liquid inlet pipes, filtrate valves are respectively and fixedly arranged on the two liquid inlet pipes, the other side end of the top of the first filtrate tank is provided with a three-way connecting pipe, two output ends of the three-way connecting pipe are respectively and fixedly communicated and connected with the first filtrate tank and a guide pipe, a first vacuum valve and a second vacuum valve are respectively and fixedly arranged on two, the output end of the guide pipe is fixedly communicated with the second filtrate tank, and a liquid discharge valve is fixedly mounted on the guide pipe.

As an optimal technical scheme of the utility model, first filtrating jar top surface is fixed with relief valve and negative pressure table, negative pressure table and relief valve control electric connection.

As an optimized technical scheme of the utility model, the fixed sealing washer that is equipped with on the drainage bottom valve.

As an optimized technical scheme of the utility model, tee bend connecting pipe input is connected with external vacuum pump output end fixed communicating.

As an optimal technical scheme of the utility model, the pipe input communicates with each other with the external world, tee junction pipe and pipe connection department set up between flowing back valve and second filtrating jar.

As a preferred technical scheme of the utility model, first vacuum valve, second vacuum valve, flowing back valve and two filtrating valves respectively with external PLC timing controller control electric connection.

The utility model has the advantages that: the liquid drainage system of the filter indirectly increases the capacity of the whole filtrate barrel by connecting the first filtrate tank with the second filtrate tank through the filtrate barrel body, realizes an upper-layer structure and a lower-layer structure, simultaneously installs the drainage bottom valve with the sealing ring at the bottom of the filtrate barrel to achieve the sealing effect, and the filtrate barrel body is connected with the vacuum pump by a three-way connecting pipe which is provided with a first vacuum valve and a second vacuum valve, when the filtrate barrel discharges liquid, the vacuum valve at the vacuum pump inlet at the top of the filtrate barrel is closed to bypass the vacuum, the filtrate in the filtrate barrel presses the drainage bottom valve to open due to the gravity effect and automatically flows out, and the timing function of the PLC is adopted for control, the liquid drainage time and the liquid drainage interval are adjusted according to the field use condition, so that a filtrate pump, a liquid level meter and a liquid drainage valve are directly omitted in the whole device, the filtered material has less moisture, the maintenance cost is low, and the failure rate is low.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of a liquid discharge system of a filter according to the present invention;

FIG. 2 is a schematic diagram of a square frame control of a drainage system of a filter according to the present invention.

In the figure: 1. a first filtrate tank; 2. a second filtrate tank; 3. a liquid discharge pipe; 4. a negative weight block; 5. a drain bottom valve; 6. a filtrate valve; 7. a safety valve; 8. a negative pressure gauge; 9. a three-way connecting pipe; 10. a first vacuum valve; 11. a second vacuum valve; 12. a conduit; 13. and a drain valve.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in figures 1 and 2, the utility model relates to a liquid drainage system of a filter, which comprises a filtrate tank body, wherein the filtrate tank body comprises a first filtrate tank 1 and a second filtrate tank 2, the bottom end of the first filtrate tank 1 is inserted into the second filtrate tank 2 and is fixedly connected with the second filtrate tank 2, the bottom ends of the first filtrate tank 1 and the second filtrate tank 2 are respectively and fixedly connected with a liquid drainage pipe 3, the bottom side end of the liquid drainage pipe 3 is fixedly connected with a negative weight block 4 through a connecting rod, a water drainage bottom valve 5 is hinged on the connecting rod, the top side end of the first filtrate tank 1 is fixedly connected with two liquid inlet pipes through a connecting rod, the two liquid inlet pipes are respectively and fixedly provided with a filtrate valve 6, the other side end of the top of the first filtrate tank 1 is provided with a three-way connecting pipe 9, two output ends of the three-way connecting pipe 9 are respectively and fixedly communicated with the first filtrate tank 1 and a guide pipe 12, the two output ends of the, the output end of a guide pipe 12 is fixedly communicated and connected with a second filtrate tank 2, a liquid discharge valve 13 is fixedly installed on the guide pipe 12, the liquid discharge system of the filter adopts the connection of a first filtrate tank 1 and the second filtrate tank 2 through a filtrate barrel body, the capacity of the whole filtrate barrel is indirectly increased, an upper layer structure and a lower layer structure are realized, a drainage bottom valve 5 with a sealing ring is installed at the bottom of the filtrate barrel to achieve a sealing effect, the filtrate barrel body is connected with a vacuum pump through a three-way connecting pipe 9, a first vacuum valve 10 and a second vacuum valve 11 are arranged on the three-way connecting pipe 9, when the filtrate barrel discharges liquid, an inlet vacuum valve of the vacuum pump at the top of the filtrate barrel is closed to form a vacuum bypass, filtrate in the filtrate barrel, the drainage bottom valve 5 is pressed open by the gravity effect to automatically flow out, the timing function control of a PLC is adopted, the liquid discharge time and the liquid discharge interval are adjusted according to the field use condition, so that, The liquid level meter and the liquid discharge valve have the advantages of less water content of filtered materials, low maintenance cost and low failure rate.

Wherein, first filtrate jar 1 top surface is fixed with relief valve 7 and negative pressure table 8, and negative pressure table 8 and relief valve 7 control electric connection have guaranteed the safe handling of filtrate jar body.

Wherein, the drainage bottom valve 5 is fixedly provided with a sealing ring to achieve the sealing effect.

Wherein, the input end of the three-way connecting pipe 9 is fixedly communicated and connected with the output end of the external vacuum pump, so as to realize vacuum treatment.

Wherein, the input end of the conduit 12 is communicated with the outside, and the joint of the three-way connecting pipe 9 and the conduit 12 is arranged between the liquid discharge valve 13 and the second filtrate tank 2, thereby ensuring the normal operation of the whole device.

Wherein, first vacuum valve 10, second vacuum valve 11, flowing back valve 13 and two filtrating valves 6 respectively with external PLC timing controller control electric connection, realized automatic timing control.

The working principle is as follows:

two filtrate valves 6 are started, so that the filter plate inner hole is pumped into the filtrate tank body, and firstly enters the first filtrate tank 1, and meanwhile, the first filtrate tank 1 and the second filtrate tank 2 are pumped into a low-pressure vacuum state by an external vacuum pump.

After two filtrate valves 6 are in opening a period of time, PLC timing controller control filtrate valve 6 is closed, first vacuum valve 10 is opened, second vacuum valve 11 is opened, the vacuum pump stop work, flowing back valve 13 is opened, make the drainage bottom valve 5 of 1 bottom of first filtrate jar open and the drainage bottom valve 5 of 2 bottoms of second filtrate jar is automatic to be opened like this, then in first filtrate jar 1 liquid will enter into second filtrate jar 2 through fluid-discharge tube 3, flow out through the fluid-discharge tube 3 of 2 bottoms of second filtrate jar at last.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and 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 therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A liquid drainage system of a filter comprises a filtrate tank body and is characterized in that the filtrate tank body comprises a first filtrate tank (1) and a second filtrate tank (2), the bottom end of the first filtrate tank (1) is inserted into the second filtrate tank (2) and is fixedly connected with the second filtrate tank (2), the bottom ends of the first filtrate tank (1) and the second filtrate tank (2) are respectively and fixedly connected with a liquid drainage pipe (3), the bottom side end of the liquid drainage pipe (3) is fixedly connected with a negative weight block (4) through a connecting rod, a drainage bottom valve (5) is hinged on the connecting rod, the top side end of the first filtrate tank (1) is fixedly connected with two liquid inlet pipes, filtrate valves (6) are respectively and fixedly installed on the two liquid inlet pipes, the other top side end of the first filtrate tank (1) is provided with a three-way connecting pipe (9), two output ends of the three-way connecting pipe (9) are respectively and fixedly communicated with the first filtrate tank (1) and a guide pipe (12), and a first vacuum valve (10) and a second vacuum valve (11) are respectively and fixedly installed on two output ends of the three-way connecting pipe (9), the output end of the guide pipe (12) is fixedly communicated and connected with the second filtrate tank (2), and a liquid discharge valve (13) is fixedly installed on the guide pipe (12).

2. A filter drainage system as claimed in claim 1, wherein a safety valve (7) and a negative pressure gauge (8) are fixed on the top surface of the first filtrate tank (1), and the negative pressure gauge (8) is electrically connected with the safety valve (7) in a control manner.

3. A filter drainage system as claimed in claim 1 wherein the drainage foot valve (5) is fitted with a gasket.

4. A filter drainage system as claimed in claim 1 wherein the input end of the three-way connection pipe (9) is in fixed communication with the output end of an external vacuum pump.

5. A filter drainage system as claimed in claim 1, wherein the inlet of the conduit (12) communicates with the outside, and the junction of the three-way connection pipe (9) and the conduit (12) is arranged between the drainage valve (13) and the second filtrate tank (2).

6. A filter drainage system as claimed in claim 1 wherein the first vacuum valve (10), the second vacuum valve (11), the drainage valve (13) and the two filtrate valves (6) are electrically connected to an external PLC timing controller respectively.