CN212198726U

CN212198726U - Scale inhibitor slow release device

Info

Publication number: CN212198726U
Application number: CN202020321333.5U
Authority: CN
Inventors: 姜亚
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2020-03-15
Filing date: 2020-03-15
Publication date: 2020-12-22
Anticipated expiration: 2030-03-15

Abstract

A slow release device of a scale inhibitor is characterized by comprising: a linker; the shell is connected to the bottom of the connecting body; the top of the shell is provided with two channels, and a sealing device is arranged in each channel; the connecting body is internally provided with convex shafts which can be correspondingly inserted into corresponding channels respectively, and each convex shaft is provided with a shaft hole which can be communicated with the pipeline; the sealing device is sealed when the shell is not assembled to the connecting body, the sealing device is opened when the shell is assembled to the connecting body, and the inner cavity of the shell is communicated with the connecting body pipeline. The utility model has the advantages that: the shell for storing the scale inhibitor in a closed manner is designed, so that the scale inhibitor can be conveniently detached from the connecting piece and is convenient to replace after the scale inhibitor is used; the shell is provided with a sealing device, and is automatically opened after being installed on the connecting body, so that the use is convenient and simple.

Description

Scale inhibitor slow release device

Technical Field

The utility model relates to a reverse osmosis purifier, in particular to a scale inhibitor slow-release device for the purifier.

Background

The household reverse osmosis water purifier is widely applied to daily life, but the service life of a key filtering element, namely a reverse osmosis membrane or a nanofiltration membrane, is usually two years, and the blockage is easy to occur after two years, so that the household reverse osmosis water purifier needs to be replaced regularly. The biggest reason for the blockage is that the surface of the filtering membrane is scaled, especially in areas with high hardness, the speed of the membrane blockage is very high, and some areas or even half a year need to be replaced, but the cost of the membrane is very high, and the maintenance cost for frequently replacing the filtering membrane is high due to the home service cost.

At present, the relatively wider practice in the industry is to make the wastewater ratio larger, and generally adopt the pure wastewater ratio of 1:1, thereby increasing the flow rate on the surface of the membrane, reducing the adhesion of scales and delaying the time of membrane blockage. However, the life of the membrane is generally two years after the wastewater ratio is increased, and the phenomenon that the water is wasted by the water purifier is serious after the wastewater ratio is increased. Therefore, in the prior art, a water purifying mechanism is disclosed in the chinese utility model "water purifier" with patent number 201520931429.2, and this application adopts a scale inhibiting mechanism arranged between a wastewater outlet and a wastewater proportioner to avoid the surface scaling and blockage of a reverse osmosis membrane/nanofiltration membrane so as to prolong the service life of the filtration membrane. If chinese utility model "a reation kettle of special antisludging agent of high-efficient reverse osmosis of production" of patent number 201820066330.4 still specifically discloses such antisludging mechanism, stirs in two different azimuths through helical agitator and paddle, makes the material more even by the stirring, makes the material at reation kettle sleeve inner chamber edge can be stirred by the stirring through the frame simultaneously, and stirring effect is good.

However, most of the existing scale inhibition mechanisms in the above patents are complex in structure, cannot be used independently, are troublesome to replace, and need to be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a simple structure and convenient scale inhibitor sustained-release devices of installation dismantlement are provided to above-mentioned prior art current situation.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a slow release device of scale inhibitor is characterized in that the device comprises:

the connecting body is arranged at the front end of a filter element water purification system of the water purification equipment, quick connectors for pipeline connection are arranged at two ends of the connecting body, and pipelines which can be respectively communicated with the quick connectors are formed inside the connecting body;

the scale inhibitor comprises a shell, a connecting body and a water tank, wherein the shell is provided with a relatively closed inner cavity, the scale inhibitor is stored in the inner cavity, and the shell is detachably connected to the bottom of the connecting body;

the top of the shell is provided with two channels which extend from outside to inside and can be communicated with the inner cavity, and a sealing device for plugging the channels is arranged in each channel; correspondingly, convex shafts which can be correspondingly inserted into the corresponding channels respectively are formed in the connecting body, and each convex shaft is provided with a shaft hole which can be communicated with the pipeline; the channel is sealed by the sealing device when the shell is not assembled to the connecting body, the sealing device is opened when the shell is assembled to the connecting body, and the inner cavity of the shell is communicated with the pipeline of the connecting body.

In order to simplify the structure and facilitate assembly, preferably, the sealing device includes a guide rod, a sealing plug and an elastic member, the guide rod is slidably disposed in the channel, the elastic member is sleeved outside the guide rod, the sealing plug is exposed outside the channel and connected with the guide rod, an annular step is formed at an opening at the bottom of the channel, and the elastic member and the guide rod can be axially limited on the step.

In order to better block the passage opening and increase the sealing contact area, it is further preferable that the sealing plug is spherical and is in threaded connection with the guide rod.

In order to ensure the smoothness of the channel, as a further preferable mode, the cross section of the guide rod is in a T shape, the T-shaped head of the guide rod is limited on the step, and the T-shaped head of the guide rod is further provided with at least one through hole which penetrates through the guide rod along the axial direction. The position of the through hole needs to be kept away from the position of the main shaft of the guide rod, and after the sealing plug is opened, liquid can flow along the outer wall of the main shaft of the guide rod through the through hole in the guide rod, so that the communication between the channel and the inner cavity of the shell is realized.

For convenience of assembly, simply, preferably, the elastic member is a spring, one end of the spring abuts against the T-shaped head of the guide rod, and the other end of the spring abuts against the step; the spring has a tendency to keep the sealing plug against the passage outlet at all times when the housing is not assembled to the connecting body; when the shell is installed on the connecting body, the T-shaped head of the guide rod is abutted to the tail end of the protruding shaft, the spring is in a compressed state, and the sealing plug is separated from the passage outlet.

After the housing is opened, in order to enable the scale inhibitor to be fully mixed with the liquid flowing through the connecting body and form an ordered flow, the channel preferably comprises a first channel and a second channel which are arranged in parallel and at intervals, the diameter of the first channel is larger than that of the second channel, and the first channel is positioned at the upstream of the second channel. Because the first channel is positioned at the upstream of the second channel, the pressure applied to the first channel is greater than the pressure of the second channel, and the diameter of the first channel is greater than the diameter of the second channel, the water pressure finally acting on the first channel is ensured to be greater than the water pressure on the second channel, so that the water flow can enter the inner cavity of the shell through the first channel and then flow out of the second channel to form ordered flow in a set direction, and the complete fusion of the scale inhibitor and the water flow is ensured.

In order to conveniently contain the scale inhibitor, the shell preferably comprises a box body and a box cover which are connected and fixed with each other and are integrated into a whole

In order to improve the overall sealing performance of the case, it is further preferable that the case body and the case cover are integrally fixed by welding.

In order to facilitate the replacement of the scale inhibitor, preferably, an annular bulge is formed on the box cover, and correspondingly, an annular groove which can be matched with the annular bulge is formed at the corresponding position at the bottom of the connecting body; the outer side of the annular bulge of the box cover is also provided with a clamping hook, and correspondingly, the bottom of the connecting body is provided with a convex column which can be matched with the corresponding clamping hook at a corresponding position. The clamping hook and the convex column are matched to realize the connection of the clamping hook and the convex column, and the disassembly is convenient, and after the scale inhibitor in the shell is used up, the whole shell only needs to be directly disassembled to be replaced.

In order to further improve the connection tightness and the sealing performance, a sealing ring is preferably arranged between the protruding shaft and the channel.

Compared with the prior art, the utility model has the advantages of: the shell capable of storing the scale inhibitor in a closed manner is designed, the shell is simple in structure and is an independent component, the convenient disassembly of the shell and a connecting piece can be realized, and the shell is convenient to replace after the scale inhibitor is used; the shell is provided with a sealing device, and is automatically opened after being installed on the connecting body, so that the use is convenient and simple; adopt the structure of this application can release the antisludging agent in advance and get into the water route, effectively slow down the dirty stifled of scale deposit of filtration membrane, reduce the frequent change of membrane element to the life-span of extension membrane element.

Drawings

Fig. 1 is an overall schematic view of a scale inhibitor slow release device according to an embodiment of the present invention after installation.

Fig. 2 is a three-dimensional cross-sectional view of the scale inhibitor box body of the embodiment of the utility model.

Fig. 3 is an assembled cross-sectional view of the scale inhibitor slow-release device of the embodiment of the present invention.

Fig. 4 is an exploded perspective view of a scale inhibitor slow-release device according to an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 4, the present embodiment discloses a slow release device for scale inhibitor, which comprises a connector 1 and a housing detachably connected to the bottom of the connector 1.

The scale inhibitor 6 is stored in the inner cavity, the green slow-release scale inhibitor is adopted, the scale inhibitor is not dissolved after the solubility is saturated, and the scale inhibitor 6 cannot be liquefied and softened, has a corrosion inhibition effect and also has a protection effect on stainless steel capillary tubes in the wastewater ratio.

In order to conveniently load the scale inhibitor 6, the shell comprises a box body 21 and a box cover 22 which are fixedly connected with each other and integrated into a whole, and in order to improve the integral sealing performance of the shell, the box body 21 and the box cover 22 are fixed into a whole by welding; the top of the shell is provided with two capillary channels which extend from outside to inside and can be communicated with the inner cavity, the channels comprise a first channel 211 and a second channel 212 which are parallel to each other and are arranged at intervals, the diameter of the first channel 211 is larger than that of the second channel 212, and the first channel 211 is positioned at the upstream of the second channel 212; each channel is provided with a sealing device for sealing off the channel, and the bottom opening of each channel is formed with an annular step 213.

In order to simplify the structure, the assembly is convenient, the sealing device comprises a guide rod 3, a sealing plug 4 and an elastic part, wherein the guide rod 3 is arranged in the channel in a sliding manner, the cross section of the guide rod 3 is T-shaped, the T-shaped head of the guide rod 3 is limited on the step, four through holes 31 which are communicated along the axial direction are further formed in the T-shaped head of the guide rod 3, the positions of the through holes 31 are kept away from the position of a main shaft of the guide rod 3, after the sealing plug 4 is opened, liquid can flow along the outer wall of the main shaft of the guide rod 3 through the through holes 31 in the guide rod 3, and then the.

The elastic member is sleeved outside the guide rod 3, and simply, the elastic member is a spring 5 in this embodiment, one end of the spring 5 abuts against the T-shaped head of the guide rod 3, and the other end of the spring 5 abuts against the annular step 213.

The sealing plug 4 is exposed out of the channel and connected with the guide rod 3 through the threaded guide rod 3, the section of the opening at the bottom of the channel is splayed, and the sealing plug 4 is spherical in order to better seal the opening of the channel and increase the sealing contact area.

In the state of the housing not assembled to the connecting body 1, the spring 5 has a tendency to make the sealing plug 4 always abut against the passage outlet, which is closed, see fig. 2; when the housing is mounted on the connecting body 1, the T-shaped head of the guide rod 3 abuts against the end of the protruding shaft 13, the spring 5 is in a compressed state, the sealing plug 4 is separated from the passage outlet, and the passage outlet is open, see fig. 3.

The connecting body 1 is arranged at the front end of a filter element water purification system of water purification equipment, two ends of the connecting body 1 are provided with quick connectors 11 for pipeline connection, and a pipeline 12 which can be respectively communicated with the quick connectors 11 at the two ends is formed inside the connecting body 1; the connector 1 is further formed with protruding shafts 13 respectively inserted into the corresponding channels, and each protruding shaft 13 is provided with a shaft hole 131 capable of communicating with the pipeline 12.

In order to facilitate the replacement of the scale inhibitor, an annular protrusion 221 is formed on the box cover 22, and correspondingly, an annular groove which can be matched with the annular protrusion 221 is formed at the corresponding position at the bottom of the connector 1; the outer side of the annular bulge 221 of the box cover 22 is also provided with a hook 222, correspondingly, the bottom of the connector 1 is provided with a convex column 14 which can be matched with the corresponding hook 222 at a corresponding position, the hook 222 and the convex column 14 are matched to realize the connection of the hook 222 and the convex column, and the hook 222 and the convex column 14 can be conveniently detached, after the scale inhibitor in the shell is used up, the whole shell only needs to be directly detached and replaced; in order to further improve the connection tightness and the sealing performance, the outer peripheral wall of the protruding shaft 13 is further provided with an annular groove, and a sealing ring 132 capable of abutting against the inner wall of the passage is arranged in the annular groove.

When the installation is carried out, firstly, a sealing device is installed in the box body 21, and then the scale inhibitor 6 is loaded into the box body 21; then the box cover 22 is arranged on the box body 21, the arranged box body 21 and the box cover 22 are well positioned, and welding and fixing are carried out on an ultrasonic welding machine; finally, the box body 21 and the box cover 22 form a closed shell with an integral structure;

the spring 5 in the shell is in a stretching state before installation, and the spherical sealing plug 4 is in a sealing state; when the shell is mounted on the connecting body 1 in use, the end part of the convex shaft 13 in the connecting body 1 is propped against the head part of the guide rod 3, so that the guide rod 3 moves downwards, the spring 5 is compressed, the spherical sealing plug 4 is in an open state, and after the shell is dismounted from the connecting body 1, the spring 5 is stretched again to reset, and the sealing plug 4 is in a sealing state again; after the scale inhibitor is used up, the whole shell is disassembled and a new box is directly replaced, so that the operation is simple and convenient.

According to the water flow pressure formula: where F is the pressure of the water flow applied vertically to the channel, P is the pressure acting on the channel, and S is the cross-sectional area of the channel, the first channel 211 being located upstream of the second channel 212 in this embodiment, since the pressure of the water pressure is gradually reduced along the water flow direction, the pressure applied to the first passage 211 is greater than the pressure applied to the second passage 212, and the diameter of the first passage 211 is larger than that of the second passage 212 (i.e., the sectional area of the first passage 211 is larger than that of the second passage 212), it is ensured that the water flow pressure finally acting on the first passage 211 is larger than that of the second passage 212, therefore, the water flow entering the connector 1 finally enters the inner cavity of the housing through the first channel 211 and then flows out from the second channel 212 to form an ordered flow in a predetermined direction, so that the scale inhibitor is completely fused with the liquid flowing through the connector 1 and forms an ordered flow in a direction.

The scale inhibitor slow-release device can be conveniently detached and replaced, the device is provided with a sealing device and is automatically opened after being installed, and the scale inhibitor is slowly released in a capillary manner;

after the scale inhibitor slow-release device is adopted, the wastewater ratio can be smaller, the ratio of pure water to wastewater is 4:1 from the original pure wastewater ratio of 1:1, water is saved, and the primary water effect can be achieved. With the scale agent sustained-release devices of this application set up in filter core water purification system front end can effectual protection milipore filter, reverse osmosis membrane, receive filter membrane etc. avoid its surface scale deposit to block up, prolong its life.

Claims

1. A slow release device of scale inhibitor is characterized in that the device comprises:

the water purifier comprises a connecting body (1) and a water purifying device, wherein the connecting body (1) is arranged at the front end of a filter element water purifying system of the water purifying device, two ends of the connecting body (1) are provided with quick connectors (11) for pipeline connection, and pipelines (12) which can be respectively communicated with the quick connectors (11) are formed inside the connecting body (1);

the shell is provided with a relatively closed inner cavity, scale inhibitor is stored in the inner cavity, and the shell is detachably connected to the bottom of the connecting body (1);

the top of the shell is provided with two channels which extend from outside to inside and can be communicated with the inner cavity, and a sealing device for plugging the channels is arranged in each channel; correspondingly, convex shafts (13) which can be correspondingly inserted into the corresponding channels respectively are formed in the connecting body (1), and each convex shaft (13) is provided with a shaft hole which can be communicated with the pipeline; the channel is sealed by the sealing device when the shell is not assembled to the connecting body (1), the sealing device is opened when the shell is installed to the connecting body (1), and the inner cavity of the shell is communicated with a pipeline of the connecting body (1).

2. The scale inhibitor slow-release device according to claim 1, characterized in that: the sealing device comprises a guide rod (3), a sealing plug (4) and an elastic piece, wherein the guide rod (3) is arranged in a channel in a sliding mode, the elastic piece is sleeved outside the guide rod (3), the sealing plug (4) is exposed outside the channel and connected with the guide rod (3), an annular step is formed in the opening at the bottom of the channel, and the elastic piece and the guide rod (3) can be axially limited on the step.

3. The scale inhibitor slow-release device according to claim 2, characterized in that: the sealing plug (4) is spherical, and the sealing plug (4) is connected with the guide rod (3) through threads.

4. The scale inhibitor slow-release device according to claim 2, characterized in that: the cross section of the guide rod (3) is T-shaped, the T-shaped head of the guide rod (3) is limited on the step, and the T-shaped head of the guide rod (3) is further provided with at least one through hole which is through along the axial direction.

5. The scale inhibitor slow-release device according to claim 4, characterized in that: the elastic piece is a spring (5), one end of the spring (5) is abutted against the T-shaped head of the guide rod (3), and the other end of the spring (5) is abutted against the step; the spring (5) has a tendency to keep the sealing plug (4) against the passage outlet at all times in the state of the housing not assembled to the connecting body (1); when the shell is installed on the connecting body (1), the T-shaped head of the guide rod (3) is abutted against the tail end of the protruding shaft (13), the spring (5) is in a compressed state, and the sealing plug (4) is separated from the channel outlet.

6. The scale inhibitor slow-release device according to claim 1, characterized in that: the channel comprises a first channel (211) and a second channel (212) which are parallel to each other and are arranged at intervals, the diameter of the first channel (211) is larger than that of the second channel (212), and the first channel (211) is positioned at the upstream of the second channel (212).

7. The scale inhibitor slow-release device according to claim 1, characterized in that: the shell comprises a box body (21) and a box cover (22) which are connected and fixed with each other into a whole.

8. The scale inhibitor slow-release device according to claim 7, characterized in that: the box body (21) and the box cover (22) are fixed into a whole through welding.

9. The scale inhibitor slow-release device according to claim 7, characterized in that: an annular bulge (221) is formed on the box cover (22), and correspondingly, an annular groove which can be matched with the annular bulge (221) is formed at the corresponding position of the bottom of the connecting body (1); the outer side of the annular bulge (221) of the box cover (22) is also provided with a hook (222), and correspondingly, the bottom of the connector (1) is provided with a convex column (14) which can be matched with the corresponding hook (222) at a corresponding position.

10. The scale inhibitor slow-release device according to claim 1, characterized in that: and a sealing ring is also arranged between the convex shaft (13) and the channel.