CN210964671U - Mine water film purification chemical backwashing device - Google Patents

Abstract

The utility model discloses a mine water film purifies anti-belt cleaning device of chemistry belongs to environmental protection mine water treatment technical field, and the pore surface receives the problem that too big or pressure release too fast release leads to the pore damage among the prior art easily, including the frame, be provided with first holding vessel, second holding vessel and pressure manifold in the frame, the intercommunication has first hose between first holding vessel and the pressure manifold, is provided with first check valve on the first hose, the intercommunication has the second hose between second holding vessel and the pressure manifold, is provided with the second check valve on the second hose, is provided with the scavenging pump on the pressure manifold, and the one end of keeping away from the scavenging pump on the pressure manifold is provided with safe pressure equalizing valve, first holding vessel upper end intercommunication has the third hose. Utilize safe equalizing valve to carry out the flow pressure of invariable regulation liquid, avoid the phenomenon emergence that liquid pressure is too big or too fast release damages the pore structure of membrane, improve the life of membrane.

Description

Mine water film purification chemical backwashing device

Technical Field

The utility model belongs to the technical field of environmental protection mine water treatment, specifically relate to a mine water film purifies anti-belt cleaning device of chemistry.

Background

When the mine water film purification system normally purifies, adopt the cross-flow to filter the mine water and exert pressure in one side of membrane, there is the condition that pressure differential exists in the two sides of membrane, water will be from the one side of the low pressure that flows of high pressure one side, there is the restriction in the aperture of membrane, cause some moisture and some minutes material can be passed through the membrane and form the water purification, substances such as some macromolecular substances, suspended solids, bacterium are held back in one side of membrane, although the flow direction of mine water is vertical flow and can take away some impurity, but the time has long avoided some stronger impurity of adhesion ratio, but the time has grown some stronger impurity adhesion membrane pore surfaces, these impurity will block the membrane pore, and then influence the purifying capacity of mine water.

The surface of the membrane hole is attached with impurities, the filtering and purifying effect of the membrane can be influenced, the yield of the filtered water body is directly reduced, although the impurities on the surface of the membrane hole can be partially taken away under the impact action of water flow, the membrane hole after long-time operation can still be attached with impurities which are difficult to remove, the impurities can comprise suspended matters, bacteria, oil stain substances and the like, and the impurities can not be removed by adopting a single cleaning method.

When the existing acidic cleaning solution or alkaline cleaning solution is used for cleaning, the pressure can be easily influenced by external factors to cause unstable pressure, the impact on the surface of a membrane hole is large, the surface of the membrane hole can be damaged, the purification effect of a membrane purification system is seriously influenced, and the service life is shortened.

Disclosure of Invention

The utility model aims to provide a: the problem that the surface of a film hole is easily damaged by overlarge pressure or too quick pressure release in the prior art is solved, and the chemical backwashing device for mine water film purification is provided.

The utility model adopts the technical scheme as follows:

the utility model provides a mine water film purifies anti-belt cleaning device of chemistry, includes the frame, is provided with first holding vessel, second holding vessel and pressure manifold in the frame, the intercommunication has first hose between first holding vessel and the pressure manifold, is provided with first check valve on the first hose, the intercommunication has the second hose between second holding vessel and the pressure manifold, is provided with the second check valve on the second hose, is provided with the scavenging pump on the pressure manifold, and the one end of keeping away from the scavenging pump on the pressure manifold is provided with safe pressure equalizing valve, first holding vessel upper end intercommunication has the third hose, is provided with the third check valve on the third hose, second holding vessel upper end intercommunication has the fourth hose, is provided with the fourth check valve on the fourth hose, and third hose and fourth hose all communicate with the pressure manifold.

The utility model discloses a further preferred, safe equalizing valve includes the valve body, and the valve body top is provided with the inlet port, and the lateral wall of valve body is provided with the discharge port, and inlet port department is provided with safe clamping ring and safe plug screw, and safe clamping ring lower part is provided with the pressure plate, is provided with into the water hole on the pressure plate, and sliding connection has the piston rod in the valve body, and piston rod upper portion has set gradually the piston, is provided with the spring between piston lower extreme and the valve body inner wall, piston rod lower part fixedly connected with fixing base, and fixing.

The utility model discloses a further preferred, discharge port department is provided with packing ring and circlip, and circlip fixed connection is on the valve body, and the packing ring setting is in circlip's the outside.

The utility model discloses a further preferred, be provided with support column and rubber column between piston rod and the fixing base, piston rod lower extreme and support column fixed connection, the support column is the toper structure, support column lower extreme and rubber column fixed connection, and the support column inserts in the fixing base.

The working principle is as follows: opening a first one-way valve and a safety pressure equalizing valve, closing a second one-way valve, a third one-way valve and a fourth one-way valve, feeding alkaline cleaning liquid in a first storage tank into a membrane circulating system through a cleaning pump, cleaning for 10-20 minutes, opening the third one-way valve, closing the first one-way valve and the safety pressure equalizing valve, and rinsing with clear water for 5 minutes after the cleaning liquid flows back into a first storage tank to remove residual alkaline liquid on the surface of a membrane pore;

secondly, opening a second one-way valve and a safety pressure equalizing valve, closing the first one-way valve, a third one-way valve and a fourth one-way valve, sending the acidic cleaning solution in a second storage tank into a membrane circulating system through a cleaning pump, cleaning for 10-20 minutes, opening the fourth one-way valve, closing the second one-way valve and the safety pressure equalizing valve, and rinsing for 5 minutes by using clean water after the cleaning solution flows back into a second storage tank so as to remove residual acid liquor on the surface of the membrane pores;

wherein: when acidizing fluid or alkali lye reach the inlet port, can extrude the pressure gauge and enter into the valve body inner chamber, piston and spring extrude downwards, when pressure is great, make the piston rod downstream, when pressure is less, make the piston rod upward movement, the flow of control liquid, and then adjust the fluidic pressure size in inside, make the pressure of liquid tend to invariable, the condition that pressure is too big or too fast release can not appear, be fit for the long distance transport of acidizing fluid or alkali lye, prevent that too big or too fast release of liquid pressure from damaging the phenomenon emergence of membrane pore structure, the liquid that the pressure is impartial, be convenient for improve the cleaning efficiency of acidizing fluid or alkali lye.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

original chemical cleaning process adopts single washing liquid, though also can play certain cleaning performance, but because the complicated nature of pore impurity, lead to can not clear away pore surface filth completely, and adopt the compound cleaning process of acid-base can clear away the pore filth completely, effective recovery membrane flux, through setting up safe pressure equalizing valve, and then adjust the fluidic pressure size in inside, make the pressure of liquid tend to invariable, the condition of too big or too fast release of pressure can not appear, thereby effectively avoid damaging the phenomenon emergence of pore structure, compare with prior art, the utility model discloses it is simple, and adopt compound acid-base cleaning process can high-efficiently clear away the pore filth, utilize safe pressure equalizing valve to carry out the flow pressure of invariable regulation liquid, avoid the too big or too fast release of liquid pressure to damage the phenomenon emergence of pore structure, improve the life of membrane.

Drawings

The invention will now be described, by way of example, with reference to the accompanying drawings, in which:

fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural diagram of the safety equalizing valve of the present invention.

Reference numerals: 1-a first storage tank, 2-a second storage tank, 3-a first check valve, 4-a first hose, 5-a second hose, 6-a second check valve, 7-a cleaning pump, 8-a collecting pipe, 9-a safety equalizing valve, 10-a fourth hose, 11-a fourth check valve, 12-a third check valve, 13-a third hose, 14-a safety pressing ring, 15-a safety screw plug, 16-a pressure sheet, 17-a piston, 18-a spring, 19-a valve body, 20-a piston rod, 21-a supporting column, 22-a rubber column, 23-a fixed seat, 24-an elastic check ring and 25-a gasket.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limiting the invention, i.e., the described embodiments are merely a few embodiments, rather than all embodiments, and that all features disclosed in this specification, or all methods or process steps disclosed, may be combined in any suitable manner, except for mutually exclusive features and/or steps.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The present invention will be described in detail with reference to fig. 1 and 2.

The first embodiment is as follows: when the existing acidic cleaning solution or alkaline cleaning solution is used for cleaning, the pressure can be easily influenced by external factors to cause unstable pressure, the impact on the surface of a membrane hole is large, the surface of the membrane hole can be damaged, the purification effect of a membrane purification system is seriously influenced, and the service life is shortened.

The problem that the surface of a membrane hole is easily damaged due to overlarge pressure or too quick pressure release in the prior art is solved, and the chemical backwashing device for mine water membrane purification comprises a frame, wherein a first storage tank 1, a second storage tank 2 and a collecting pipe 8 are arranged on the frame, and is characterized in that a first hose 4 is communicated between the first storage tank 1 and the collecting pipe 8, a first check valve 3 is arranged on the first hose 4, a second hose 5 is communicated between the second storage tank 2 and the collecting pipe 8, a second check valve 6 is arranged on the second hose 5, a cleaning pump 7 is arranged on the collecting pipe 8, a safe pressure equalizing valve 9 is arranged at one end, far away from the cleaning pump 7, on the collecting pipe 8, a third hose 13 is communicated with the upper end of the first storage tank 1, a third check valve 12 is arranged on the third hose 13, a fourth hose 10 is communicated with the upper end of the second storage tank 2, and a fourth check valve 11 is arranged on the fourth hose 10, third hose 13 and fourth hose 10 all communicate with pressure manifold 8, safe equalizing valve 9 includes valve body 19, 19 tops of valve bodies are provided with the inlet port, 19 lateral walls of valve bodies are provided with the discharge port, inlet port department is provided with safe clamping ring and safe plug screw 15, 14 lower parts of safe clamping ring are provided with pressure gauge 16, be provided with into the water hole on the pressure gauge 16, sliding connection has piston rod 20 in valve body 19, piston rod 20 upper portion has set gradually piston 17, be provided with spring 18 between piston 17 lower extreme and the 19 inner walls of valve body, 20 lower part fixedly connected with fixing base 23 of piston rod, fixing base 23 fixed connection is on 19 inner walls of valve body.

The working principle is as follows: the method comprises the steps of firstly, opening a first one-way valve 3 and a safety pressure equalizing valve 9, closing a second one-way valve 6, a third one-way valve 12 and a fourth one-way valve 11, feeding alkaline cleaning liquid in a first storage tank 1 into a membrane circulating system through a cleaning pump 7, cleaning for 10-20 minutes, opening the third one-way valve 12, closing the first one-way valve 3 and the safety pressure equalizing valve 9, and rinsing with clear water for 5 minutes after the cleaning liquid flows back into a first storage tank to remove residual alkaline liquor on the surface of a membrane pore;

secondly, opening a second one-way valve 6 and a safety pressure equalizing valve 9, closing a first one-way valve 3, a third one-way valve 12 and a fourth one-way valve 11, sending the acid cleaning solution in the second storage tank 2 into a membrane circulating system through a cleaning pump 7, cleaning for 10-20 minutes, opening the fourth one-way valve 11, closing the second one-way valve 6 and the safety pressure equalizing valve 9, and rinsing with clear water for 5 minutes after the cleaning solution flows back into the second storage tank to remove residual acid liquor on the surface of the membrane pores;

wherein: when acid liquor or alkali liquor reaches the inlet, the pressure sheet 16 is extruded to enter the inner cavity of the valve body 19, the piston 17 and the spring 18 are extruded downwards, when the pressure is higher, the piston rod 20 is made to move downwards, when the pressure is lower, the piston rod 20 is made to move upwards, the flow of liquid is controlled, and then the pressure of the fluid inside is adjusted, so that the pressure of the liquid tends to be constant, the condition that the pressure is too high or too fast released cannot occur, the liquid cleaning device is suitable for long-distance conveying of the acid liquor or alkali liquor, the phenomenon that the membrane pore structure is damaged due to too high or too fast release of the liquid pressure is prevented, and the liquid with equal pressure is convenient for improving the cleaning efficiency of the acid liquor.

The second embodiment: as shown in fig. 2, this embodiment is further optimized on the basis of embodiment 1, and this embodiment focuses on explaining the improvement compared with embodiment 1, and details of the same parts are not repeated, a support pillar 21 and a rubber pillar 22 are disposed between a piston rod 20 and a fixing seat 23, a lower end of the piston rod 20 is fixedly connected with the support pillar 21, the support pillar 21 is a tapered structure, the tapered structure at the lower end of the support pillar 21 abuts against the bottom wall of the valve body 19, the lower end of the support pillar 21 is fixedly connected with the rubber pillar 22, an insertion slot adapted to the rubber pillar 22 is disposed in the fixing seat 23, the support pillar 21 is inserted into the fixing seat, during the up and down movement of the piston rod 20, the structural design of the support column 21 and the rubber column 22, the structure of the piston rod 20 can be positioned, so that the situation that the piston rod 20 deflects or cannot move and be blocked is avoided, and the movement stability of the piston rod 20 is improved.

The third embodiment is as follows: as shown in fig. 2, this embodiment is further optimized based on embodiment 1, the present embodiment focuses on the improvement of embodiment 1, and the details of the same are not repeated, a gasket 25 and a circlip 24 are disposed at the discharge port, the circlip 24 is fixedly connected to the valve body 19, the gasket 25 is disposed at the outer side of the circlip 24, when the discharge port is connected to an external pipe, the structure of the circlip 24 is designed to improve the tightness and sealing performance of the connection, the gasket 25 is disposed at the outer side of the circlip 24, and the gasket 25 is a common standard component structure

The fixed connection, fixed mounting or fixed arrangement mode comprises the existing common technologies, such as bolt fixing, welding, riveting and the like, and all the technologies play a role in fixing without influencing the overall effect of the device.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure and claims of this application. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims (4)

1. A mine water film purification chemical backwashing device comprises a rack, wherein a first storage tank (1), a second storage tank (2) and a collecting pipe (8) are arranged on the rack, and the mine water film purification chemical backwashing device is characterized in that a first hose (4) is communicated between the first storage tank (1) and the collecting pipe (8), a first check valve (3) is arranged on the first hose (4), a second hose (5) is communicated between the second storage tank (2) and the collecting pipe (8), a second check valve (6) is arranged on the second hose (5), a cleaning pump (7) is arranged on the collecting pipe (8), a safe pressure equalizing valve (9) is arranged at one end, far away from the cleaning pump (7), of the collecting pipe (8), a third hose (13) is communicated with the upper end of the first storage tank (1), a third check valve (12) is arranged on the third hose (13), a fourth hose (10) is communicated with the upper end of the second storage tank (2), a fourth one-way valve (11) is arranged on the fourth hose (10), and the third hose (13) and the fourth hose (10) are both communicated with the collecting pipe (8).

2. The mine water film purification chemical backwashing device of claim 1, wherein the safety pressure equalizing valve (9) comprises a valve body (19), an inlet is arranged at the top of the valve body (19), an outlet is arranged on the side wall of the valve body (19), a safety pressure ring (14) and a safety screw plug (15) are arranged at the inlet, a pressure plate (16) is arranged at the lower part of the safety pressure ring (14), a water inlet hole is arranged on the pressure plate (16), a piston rod (20) is slidably connected in the valve body (19), a piston (17) is sequentially arranged at the upper part of the piston rod (20), a spring (18) is arranged between the lower end of the piston (17) and the inner wall of the valve body (19), a fixing seat (23) is fixedly connected at the lower part of the piston rod (20), and the fixing.

3. Mine water membrane purification chemical backwashing device according to claim 2, wherein a gasket (25) and a circlip (24) are provided at the discharge opening, the circlip (24) being fixedly connected to the valve body (19), the gasket (25) being provided outside the circlip (24).

4. The mine water film purification chemical backwashing device of claim 2, wherein a support column (21) and a rubber column (22) are arranged between the piston rod (20) and the fixing seat (23), the lower end of the piston rod (20) is fixedly connected with the support column (21), the support column (21) is of a conical structure, the lower end of the support column (21) is fixedly connected with the rubber column (22), and the support column (21) is inserted into the fixing seat (23).

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