CN216005456U - Small-size soft water preparation equipment of plain type - Google Patents

Abstract

The utility model provides a small-size soft water preparation equipment of plain type, including a jar body, water inlet and delivery port with jar internal portion intercommunication are seted up respectively to the relative both ends of jar body, and the internal filter layer, adsorbed layer and the cation exchange layer that are used for purifying water and communicate in proper order that is equipped with of jar, and filter layer, adsorbed layer and cation exchange layer distribute in proper order from the direction of water inlet to delivery port, have still seted up regenerant supply mouth on the jar body, and regenerant supply mouth and cation exchange layer intercommunication to supply the regenerant to the cation exchange layer. Above-mentioned small-size soft water preparation equipment of plain type has solved ordinary resident's water safety problem, and conveniently washs preparation equipment, avoids the secondary pollution of drinking water and can reduce the cost that soft water prepared.

Description

Small-size soft water preparation equipment of plain type

Technical Field

The utility model relates to a drinking water production facility, concretely relates to small-size soft water preparation equipment of plain type.

Background

The condition of remote mountain areas is limited, the treatment process of the tap water supply process of residents is simple, the water supply quantity of urban residents is large, the water quality is difficult to improve to households, the residents drink hard water for a long time, and diseases such as fructification and the like have hidden danger, so that the domestic water needs to be pretreated according to the quality. At present, equipment for softening tap water in the market usually occupies a large area, is complex in process and inconvenient to install and maintain, and is not suitable for water demands of common residents.

Chinese patent with publication number CN205382031U discloses a small-size multi-stage filtration pure water production equipment, including the suction pump, the conveyer pipe, fluviograph and precision filter, suction pump one side is provided with the water inlet, the suction pump upside is provided with the conveyer pipe, be provided with three tee junction pipe on the conveyer pipe respectively, tee junction pipe downside is provided with quartz sand filter respectively, activated carbon filter and cation softener, the conveyer pipe end is provided with precision filter, the last pure water case that is provided with of precision filter, be provided with the fluviograph on the pure water case front surface, fluviograph one side is provided with the water pressure gauge, pure water case downside is provided with filling tap, pure water case one side is provided with operating button. Its simple structure, installation convenient operation, the occupation of land space is little, can install downstairs at the residential area, makes things convenient for the daily drinking water demand of people, and after multi-stage filtration, the purity of water is higher, drinks safelyr. However, after the small multi-stage filtration pure water production equipment is used for a long time, the quartz sand filter, the activated carbon filter and the cation softener are difficult to clean, the deposited dirt in the equipment is easy to cause bacteria breeding, the secondary pollution of drinking water is caused, and the cost is overlarge due to the fact that the quartz sand filter, the activated carbon filter and the cation softener are directly replaced.

Disclosure of Invention

The utility model discloses aim at solving one of the above-mentioned technical problem that proposes at least, provide a small-size soft water preparation equipment of plain type, solved ordinary resident's water safety problem, and the convenience washs preparation equipment, avoids the secondary pollution of drinking water and can reduce the cost that soft water prepared.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

the utility model provides a small-size soft water preparation equipment of plain type, includes a jar body, the relative both ends of jar body are seted up respectively with jar water inlet and the delivery port of internal intercommunication, jar internal filter layer, adsorbed layer and the cation exchange layer that is used for purifying water and communicates in proper order that is equipped with, filter layer, adsorbed layer and cation exchange layer distribute from the direction of water inlet to delivery port in proper order, still seted up regenerant supply port on the jar body, regenerant supply port and cation exchange layer intercommunication to supply the regenerant to cation exchange layer.

Furthermore, the adsorption layer and the cation exchange layer are arranged at intervals to form an interval space, and the tank body is also provided with a water outlet communicated with the interval space for discharging backwashing water or concentrated water.

Further, the jar body includes body and two end covers, and the relative both ends of body are the open end that supplies filter layer, adsorbed layer and cation exchange layer business turn over body, and two end covers detachably are installed respectively in two open end departments of body and seal the open end that corresponds, and water inlet and delivery port are located respectively on two end covers, and outlet and regenerant supply mouth are seted up on the body at interval.

Furthermore, the filter layer comprises a gravel layer and a quartz sand layer, and the quartz sand layer is positioned between the gravel layer and the adsorption layer; the adsorption layer is an activated carbon layer.

Furthermore, the gravel layer comprises a first inner tank communicated with the pipe body and gravel arranged in the first inner tank, the quartz sand layer comprises a second inner tank and quartz sand arranged in the second inner tank, the adsorption layer comprises a third inner tank and activated carbon arranged in the third inner tank, the cation exchange layer comprises a fourth inner tank communicated with the pipe body and cation exchange resin arranged in the fourth inner tank, and the first inner tank, the second inner tank, the third inner tank and the fourth inner tank are all inserted in the pipe body and are sequentially communicated end to end; and a communicating port for the regenerant to enter the fourth inner tank is formed in the fourth inner tank corresponding to the regenerant supply port.

Further, filter screen layers are arranged between the first inner tank and the second inner tank, between the second inner tank and the third inner tank, between the third inner tank and the spacing space, between the spacing space and the fourth inner tank, at the end part of the first inner tank back to the second tank body and at the end part of the fourth inner tank back to the spacing space, and the first inner tank and the fourth inner tank are communicated with the pipe body through corresponding filter screen layers.

Furthermore, the filter screen layer comprises two support gaskets and a filter screen clamped between the two support gaskets, the support gaskets are detachably supported in the pipe body, and filter holes are formed in the support gaskets in a penetrating manner; the aperture of the filter hole of the filter screen is smaller than that of the support gasket.

Furthermore, the water inlet and the water outlet are both connected with a threaded connector used for being connected with an external pipeline.

Furthermore, the simple small soft water preparation equipment also comprises a regenerant bottle and a connecting pipe, one end of the connecting pipe is communicated with the regenerant bottle, the other end of the connecting pipe is communicated with the cation exchange layer through a regenerant supply port, and the regenerant supply port is provided with a valve switch for controlling the on-off of the regenerant supply port.

Further, the compact type small soft water preparing apparatus includes a liftable bracket for supporting the tank body.

Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:

1. according to the simple small-sized soft water preparation equipment, the purification and softening treatment of tap water are realized through the filter layer, the adsorption layer and the cation exchange layer which are sequentially communicated in the tank body, the water safety problem of common residents is solved, the quality-divided pretreatment of domestic water can be realized, and the water safety level of each urban and rural area is improved; and the simple small-sized soft water preparation equipment is simple in structure, small in occupied space and suitable for water requirements of common residents, and can be used for small-sized production.

2. According to the simple small soft water preparation equipment, the water inlet and the water outlet are oppositely arranged, the filter layer, the adsorption layer and the cation exchange layer are arranged between the water inlet and the water outlet, the water outlet can be connected with the tap connector after the simple small soft water preparation equipment is used for a preset time, at the moment, water sequentially passes through the cation exchange layer, the adsorption layer and the filter layer and finally is flushed out from the water inlet, so that the cation exchange layer, the adsorption layer and the filter layer are backwashed, the bacteria breeding caused by the deposition of dirt in the simple small soft water preparation equipment is prevented, the secondary pollution of drinking water is avoided, and the cation exchange layer, the adsorption layer and the filter layer can be repeatedly used; meanwhile, after the simple small soft water preparation equipment is used for a preset time, the regenerant can be introduced into the cation exchange layer through the regenerant supply port, so that the cation exchange resin can be reduced for reuse, the cation exchange resin is convenient to reduce and backwash, and the preparation cost of soft water can be reduced.

3. According to the simple small soft water preparation equipment, the spacing space is arranged between the adsorption layer and the cation exchange layer, and when the soft water is prepared, the spacing space can temporarily store and discharge concentrated water generated by the adsorption layer and the filter layer through the water outlet, so that the cation exchange layer is prevented from being blocked by large-particle impurities in the concentrated water, and the cleaning frequency of the equipment is reduced; during back flushing, the impurities washed from the cation exchange layer can be discharged through the water outlet on the spacing space, and the impurities washed from the cation exchange layer are prevented from entering the adsorption layer or the filter layer.

4. When the small-size soft water preparation equipment of above-mentioned plain type used, can take out first inner tank, second inner tank, third inner tank and fourth inner tank from the body to change easy dismounting to gravel, quartz sand, active carbon and cation exchange resin.

5. According to the simple small soft water preparation equipment, the filter screen layers are respectively arranged between the first inner tank and the second inner tank, between the second inner tank and the third inner tank, between the third inner tank and the spacing space, between the spacing space and the fourth inner tank, at the end part of the first inner tank back to the second tank and at the end part of the fourth inner tank back to the spacing space, and water entering the corresponding inner tank can be filtered and purified through the filter screen layers, so that the blocking probability of the preparation equipment is reduced; in addition, the filter screen layer includes two support gaskets and presss from both sides the filter screen of locating between two support gaskets, and during the use, not only can fix the filter screen through the support gasket, but also can support the body, prevents the body bending deformation.

6. Above-mentioned small-size soft water preparation equipment of plain type, jar body include body and two end covers, and during the use, the end cover is opened to the accessible to take first inner tank, second inner tank, third inner tank and fourth inner tank out from the body.

7. Above-mentioned small-size soft water preparation equipment of plain type still including being used for supporting the liftable bracket of jar body, during the use, the body is supported to accessible liftable bracket, and can adjust the height of body as required, more convenient to use.

Drawings

FIG. 1 is a schematic view of a simplified small-sized soft water producing apparatus according to a preferred embodiment of the present invention.

FIG. 2 is an enlarged view of a part of the structure of the compact type soft water producing apparatus shown in FIG. 1.

FIG. 3 is an enlarged view of another structure of the compact type soft water preparing apparatus shown in FIG. 1.

FIG. 4 is a front view of a support gasket and a filter net constituting a filter net layer in the simplified small-sized soft water preparing apparatus of FIG. 1.

Fig. 5 is a structural view of a filter screen layer in the simplified small-sized soft water preparing apparatus of fig. 1.

Fig. 6 is an exploded view of a filter screen layer in the simplified small-sized soft water preparing apparatus of fig. 5.

Fig. 7 is a structural view of a liftable bracket in the simple small soft water preparing apparatus according to the preferred embodiment of the present invention.

Fig. 8 is a structural view of a liftable bracket according to another embodiment of the present invention.

FIG. 9 is a schematic view showing a partial structure of a compact type small-sized soft water producing apparatus according to another embodiment of the present invention.

Description of the main elements

10. A tank body; 11. a water inlet; 12. a water outlet; 13. a water outlet; 131. a drain pipe; 14. a regenerant supply port; 141. Opening and closing a valve; 15. a pipe body; 16. an end cap; 20. a filter layer; 21. a gravel layer; 211. a first inner tank; 213. gravel; 23. a quartz sand layer; 231. a second inner tank; 233. quartz sand; 30. an adsorption layer; 31. a third inner tank; 32. activated carbon; 40. a cation exchange layer; 41. a fourth inner tank; 42. a cation exchange resin; 43. a communication port; 50. an intervening space; 62. A regenerant bottle; 621. a feed inlet; 623. a bottle cap; 64. a connecting pipe; 70. a screen layer; 72. a support pad; 74. a filter screen; 75. a protrusion; 76. a slot; 82. a first stop flange; 84. a second position-defining flange; 86. a fifth inner tank; 90. a bracket capable of lifting; 91. a base; 92. a lifting screw; 93. adjusting the nut; 94. a support frame; 95. a locking nut; 96. an avoiding groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, a preferred embodiment of the present invention provides a compact soft water preparing apparatus, which comprises a tank 10, and a filter layer 20, an adsorption layer 30 and a cation exchange layer 40 sequentially disposed in the tank 10 for purifying water.

The opposite ends of the tank 10 are respectively provided with a water inlet 11 and a water outlet 12 communicated with the inside of the tank 10, the tank 10 is further provided with a water outlet 13 and a regenerant supply port 14, and the water outlet 13 and the regenerant supply port 14 are positioned between the water inlet 11 and the water outlet 12. Referring to fig. 2 and 3, in the present embodiment, the can body 10 includes a tube 15 and two end caps 16. The tube body 15 is substantially hollow and cylindrical, opposite ends of the tube body 15 are open ends through which the filter layer 20, the adsorption layer 30 and the cation exchange layer 40 enter and exit the tube body 15, and the two end caps 16 are detachably mounted at the two open ends of the tube body 15 respectively and close the corresponding open ends. In this embodiment, each end cap 16 is removably attached to the tube 15 by threads. It will be appreciated that the end cap 16 may be removably connected to the tube 15 in other ways.

The water inlet 11 and the water outlet 12 are respectively arranged on two end covers 16. In this embodiment, the water inlet 11 and the water outlet 12 are both connected to a nipple for connection to an external pipe. The drain port 13 and the regenerant supply port 14 both penetrate the pipe body 15 and are provided at intervals in the axial direction of the pipe body 15. In the present embodiment, a drain pipe 131 is further connected to the drain port 13; the regenerant supply port 14 is provided with a valve switch 141 for controlling the on-off of the regenerant supply port 14. The valve switch 141 can be a valve of the prior art, and is not described herein for brevity. In the present embodiment, the regenerant supply port 14 and the drain port 13 are located on the same side of the pipe body 15.

The filter layer 20, the adsorption layer 30 and the cation exchange layer 40 are sequentially arranged along the axial direction of the pipe body 15 and are communicated end to end, and the filter layer 20, the adsorption layer 30 and the cation exchange layer 40 are sequentially distributed from the water inlet 11 to the water outlet 12 and are used for purifying raw water introduced from the water inlet 11 and finally discharging the prepared soft water through the water outlet 12. In the present embodiment, the filter layer 20 includes a gravel layer 21 and a quartz sand layer 23, and the quartz sand layer 23 is located between the gravel layer 21 and the adsorption layer 30; the adsorption layer 30 is an activated carbon layer. Specifically, the gravel layer 21 includes a first inner tank 211 communicated with the pipe body 15 and gravel 213 installed in the first inner tank 211, the silica sand layer 23 includes a second inner tank 231 and silica sand 233 installed in the second inner tank 231, the adsorption layer 30 includes a third inner tank 31 and activated carbon 32 installed in the third inner tank 31, and the cation exchange layer 40 includes a fourth inner tank 41 communicated with the pipe body 15 and cation exchange resin 42 installed in the fourth inner tank 41. In the present embodiment, a sodium ion exchange resin is used as the cation exchange resin 42, and a concentrated brine, that is, a saturated solution of sodium chloride is used as the regenerant. It is understood that other cation exchange resins, such as ammonium ion exchange resin, may be used as the cation exchange resin 42, and in this case, the regenerant is an ammonium type corresponding to the regenerant.

First inner tank 211, second inner tank 231, third inner tank 31 and fourth inner tank 41 are inserted and are located body 15 and end to end intercommunication in proper order, and first inner tank 211, second inner tank 231, third inner tank 31 and fourth inner tank 41 are arranged in proper order from water inlet 11 to the direction of delivery port 12. The cation exchange layer 40 is communicated with the regenerant supply port 14, and specifically, the fourth inner tank 41 is opened with a communication port 43 corresponding to the regenerant supply port 14, through which the regenerant enters the fourth inner tank 41, so as to supply the regenerant to the cation exchange layer 40. The adsorption layer 30 and the cation exchange layer 40 are further disposed at intervals to form an interval space 50, the interval space 50 is communicated with the water discharge port 13, and the water discharge port 13 is used for discharging backwash water or regenerant.

In the present embodiment, the first inner tank 211, the second inner tank 231, the third inner tank 31, and the fourth inner tank 41 are each a hollow cylinder having both ends open, and the first inner tank 211, the second inner tank 231, the third inner tank 31, and the fourth inner tank 41 communicate with each other through the corresponding end openings. When the first inner tank 211, the second inner tank 231, the third inner tank 31 and the fourth inner tank 41 are disposed in the pipe body 15, the outer circumferential walls of the first inner tank 211, the second inner tank 231, the third inner tank 31 and the fourth inner tank 41 are in sealing contact with the inner wall of the pipe body 15, so as to prevent water from flowing to the water outlet 12 through the gaps between the first inner tank 211, the second inner tank 231, the third inner tank 31, the fourth inner tank 41 and the inner wall of the pipe body 15.

In the present embodiment, the simplified small-sized soft water preparing apparatus further includes a regenerant bottle 62 and a connection pipe 64, one end of the connection pipe 64 is communicated with the regenerant bottle 62, and the other end of the connection pipe 64 penetrates the regenerant supply port 14 to communicate with the cation exchange layer 40, and specifically, the other end of the connection pipe 64 sequentially penetrates the regenerant supply port 14 and the communication port 43 of the fourth inner tank 41 to communicate with the fourth inner tank 41. In the present embodiment, the regenerant bottle 62 may be made of elastic plastic or the like, and when used, the regenerant in the regenerant bottle 62, for example, a saturated solution of sodium chloride, may be guided to the cation exchange layer 40 through the connection pipe 64 by pressing the regenerant bottle 62. By adopting elastic plastic and the like to prepare the regenerant bottle 62, the weight of the regenerant bottle 62 can be reduced, the device is convenient to carry, and devices such as a water pump and the like are not needed to be installed to assist the regenerant to enter the cation exchange layer 40, the structure is simpler, and the cost is lower.

The regenerant bottle 62 is provided with a feed inlet 621 for feeding water, sodium chloride powder and the like into the regenerant bottle 62. In this embodiment, the feed inlet 621 is opened at the top of the regenerant bottle 62 and is communicated with the inner cavity of the regenerant bottle 62, a bottle cap 623 is detachably mounted at the feed inlet 621 by means of plugging or the like, and one end of the connecting pipe 64 far away from the pipe body 15 is connected with the bottle cap 623 and is communicated with the inner cavity of the regenerant bottle 62. When it is desired to add water to the regenerant bottle 62, the cap 623 can be opened and water and sodium chloride powder can be added to the regenerant bottle 62 through the inlet 621. It is understood that in other embodiments, the filling port 621 may be disposed at other positions of the regenerant bottle 62.

In the present embodiment, the filter layer 70 is provided between the first inner tank 211 and the second inner tank 231, between the second inner tank 231 and the third inner tank 31, between the third inner tank 31 and the separation space 50, between the separation space 50 and the fourth inner tank 41, and at the opening end of the first inner tank 211 facing away from the second tank 10 and at the opening end of the fourth inner tank 41 facing away from the separation space 50, and the first inner tank 211 and the fourth inner tank 41 communicate with the pipe body 15 through the corresponding filter layer 70. The strainer layer 70 covers the end openings of the first inner tank 211, the second inner tank 231, the third inner tank 31, and the fourth inner tank 41, and is capable of filtering water entering the first inner tank 211, the second inner tank 231, the third inner tank 31, and the fourth inner tank 41.

Referring to fig. 4 to 6, in the present embodiment, each filter screen layer 70 includes two support spacers 72 and a filter screen 74 sandwiched between the two support spacers 72, the support spacers 72 are detachably supported in the tube body 15, that is, the outer peripheral wall of the support spacers 72 contacts the inner wall of the tube body 15, and the support spacers 72 are provided with filter holes (not labeled) therethrough; the aperture of the filter holes of the filter screen 74 is smaller than that of the filter holes of the support pad 72, preferably, the aperture of the filter holes of the support pad 72 is approximately 4mm, and the aperture of the filter holes of the filter screen 74 is approximately 5 μm, it can be understood that the aperture of the filter holes of the support pad 72 and the filter screen 74 can be set to other values as required. In the present embodiment, a protrusion 75 is disposed on an end surface of one of the supporting spacers 72 facing the filter screen 74, and the protrusion 75 is disposed near an outer periphery of the supporting spacer 72; the end surface of the other support pad 72 facing the filter screen 74 is concavely provided with a slot 76 corresponding to the protrusion 75, and the protrusion 75 can be detachably connected with the slot 76 on the other support pad 72 to clamp the filter screen 74 between the two support pads 72.

In the present embodiment, in order to prevent the first inner vessel 211, the second inner vessel 231, the third inner vessel 31, and the fourth inner vessel 41 from moving freely in the pipe body 15, a stopper mechanism may be provided on the pipe body 15, and in the present embodiment, the stopper mechanism includes two first stopper flanges 82 and two second stopper flanges 84. The two first limiting flanges 82 are respectively protruded from the inner wall of the tube body 15 and are respectively located at two opposite ends of the space 50. Two second position-defining flanges 84 are provided on the two end caps 16, respectively. When in use, the first inner tank 211, the second inner tank 231, the third inner tank 31 and the corresponding filter layer 20 are clamped between one of the first limiting flange 82 and the second limiting flange 84, so as to prevent the first inner tank 211, the second inner tank 231, the third inner tank 31 and the corresponding filter layer 20 from moving randomly; the fourth inner tank 41 and the filter layers 20 located at two opposite ends of the fourth inner tank 41 are sandwiched between the other first position-limiting flange 82 and the other second position-limiting flange 84, so as to prevent the fourth inner tank 41 and the corresponding filter layers 20 from moving freely.

It should be understood that the structure of the limiting mechanism is not limited to the embodiment, for example, referring to fig. 9, in another embodiment, the limiting mechanism includes a fifth inner tank 86 and two second limiting flanges 84, the fifth inner tank 86 is disposed in the tube 15 and located at the space 50, and opposite ends of the fifth inner tank 86 are respectively communicated with the fourth inner tank 41 and the third inner tank 31; two second position-defining flanges 84 are provided on the two end caps 16, respectively. When in use, the first inner tank 211, the second inner tank 231, the third inner tank 31 and the corresponding filter layer 20 are clamped between one of the second limiting flange 84 and the fifth inner tank 86 to prevent the first inner tank 211, the second inner tank 231, the third inner tank 31 and the corresponding filter layer 20 from moving freely; the fourth inner tank 41 and the filter layers 20 located at two opposite ends of the fourth inner tank 41 are sandwiched between the second limiting flange 84 and the fifth inner tank 86 to prevent the fourth inner tank 41 and the corresponding filter layers 20 from moving freely. In the present embodiment, the fifth inner tank 86 has an attachment opening corresponding to the drain opening 13 and communicating with the fifth inner tank 86, and the drain pipe 131 communicates with the fifth inner tank 86 through the drain opening 13 and the attachment opening in this order when in use.

Referring to fig. 7 together, in the present embodiment, the compact soft water preparing apparatus further includes a liftable bracket 90 for supporting the tank 10. Specifically, the lifting bracket 90 includes a base 91, a lifting screw 92, an adjusting nut 93, a supporting frame 94 and two locking nuts 95. The lifting screw 92 is vertically arranged, and the lifting screw 92 is in threaded connection with the base 91; the adjusting nut 93 is rotatably connected with the base 91 and is in threaded connection with the lifting screw 92; two locking nuts 95 are sleeved at the top end of the lifting screw 92 at intervals and are in threaded connection with the lifting screw 92; the support frame 94 is substantially U-shaped, a space for placing the can body 10 is provided on the support frame 94, and the support frame 94 is sleeved on the lifting screw 92 and clamped between two locking nuts 95. During the use, through rotating adjusting nut 93, can drive lift screw 92 and the support frame 94 that is connected with lift screw 92 and go up and down, and then realize the regulation to jar body 10 height on support frame 94.

Referring to fig. 8, in other embodiments, the top surface of the supporting frame 94 may further be concavely provided with a position-avoiding groove 96 for avoiding the position of the locking nut 95 and the lifting screw 92, and the position-avoiding groove 96 can prevent the locking nut 95 and the lifting screw 92 from protruding out of the top surface of the supporting frame 94, so that the supporting frame 94 can support the tube body 15 more stably without affecting the rotation operation of the locking nut 95.

In this embodiment, tube 15 is about 10cm in diameter and about 60cm in length; the first inner vessel 211, the second inner vessel 231, the third inner vessel 31, and the fourth inner vessel 41 have an outer diameter of about 8 cm. The regenerant bottle 62 has a maximum diameter of about 15cm and a height of about 25cm, and has a small overall volume and a small footprint. In addition, the tube body 15, the first inner tank 211, the second inner tank 231, the third inner tank 31, the fourth inner tank 41, the supporting gasket 72, the regenerant bottle 62 and the liftable bracket 90 can all be made of plastic materials, and are light in weight and easy to carry.

When the simple small-sized soft water preparation equipment is assembled, one end cover 16 is opened, one filter screen layer 70 is placed in the pipe body 15 until the filter screen layer abuts against the first limiting flange 82, then the third inner tank 31 is placed in the pipe body 15, the activated carbon 32 is placed in the third inner tank 31, and the other filter screen layer 70 is placed in the pipe body 15 and covers the end opening of the third inner tank 31, which faces away from the spacing space 50; placing the second inner vessel 231 in the tube body 15 and placing the quartz sand 23 in the second inner vessel 231, placing the further screen layer 70 in the tube body 15 and covering the end opening of the second inner vessel 231 facing away from the separation space 50; placing the first inner tank 211 in the pipe body 15 and placing the gravel 21 in the first inner tank 211, placing the further screen layer 70 in the pipe body 15 and covering the end opening of the first inner tank 211 facing away from the interspace 50; the end cap 16 is screwed to the tubular body 15, and the end cap 16 is rotated until the second position-defining flange 84 of the end cap 16 abuts against the screen layer 70, thereby positioning the first inner vessel 211, the second inner vessel 231, the third inner vessel 31, and the corresponding screen layer 70 between the first position-defining flange 82 and the second position-defining flange 84.

Opening the other end cap 16, placing a filter screen layer 70 in the tube body 15 until abutting against the first limit flange 82, then placing the fourth inner vessel 41 in the tube body 15 and the cation exchange resin 42 in the fourth inner vessel 41, placing the other filter screen layer 70 in the tube body 15 and covering the end opening of the fourth inner vessel 41 facing away from the separation space 50; the other end cap 16 is threaded onto the tubular body 15 and the end cap 16 is rotated until the second position-defining flange 84 on the end cap 16 abuts the screen layer 70, thereby positioning the fourth inner vessel 41 and the corresponding screen layer 70 between the first position-defining flange 82 and the second position-defining flange 84.

During the use, can place a plurality of liftable brackets 90 along the length direction interval of body 15, place body 15 in the space of placing of a plurality of liftable brackets 90 in support frame 94, prevent body 15 from landing from liftable bracket 90 through the space of placing of support frame 94. The pipe 15 is rotated so that the drain port 13 of the pipe 15 faces upward and the regenerant supply port 14 faces upward. The water inlet 11 on the pipe body 15 can be installed to the faucet through an external pipeline, raw water (hard water) flowing out of the faucet enters the pipe body 15 through the water inlet 11, large-particle impurities are filtered through the supporting gasket 72 and the filter screen 74 in the filter screen layer 70, and some strip-shaped objects with large volumes in the raw water are intercepted on the gravel layer 21; when raw water reaches the quartz sand layer 23, firstly impurities in the raw water can be intercepted or screened through the resistance of the quartz sand 23, secondly suspended matters in the raw water are subjected to gravity sedimentation, and thirdly the suspended matters in the raw water are subjected to contact flocculation. The quartz sand filter material has a large surface area, so that the quartz sand filter material has an obvious physical adsorption effect on suspended matters. In addition, quartz sand grain is the negative charge always in aqueous, colloid such as iron, aluminium that can absorb positive charge to form the film of taking the positive charge on the filter material surface, and then colloid such as clay and multiple organic matter of adsorption band negative charge take place to contact the flocculation on the sand grain.

When the raw water reaches the activated carbon layer, the activated carbon 32 can adsorb peculiar smell, organic matters, colloid, iron, residual chlorine and the like in the water body due to the huge specific surface area, so that the turbidity and the chromaticity of the water body can be reduced, the water quality can be purified, and the purification pressure on a subsequent system (reverse osmosis, ultrafiltration and an ion exchanger) can be reduced. When the raw water reaches the cation exchange layer 40, calcium ions and magnesium ions in the water are removed through the cation exchange layer 40 to prepare softened water. The softened water thus obtained is discharged from the water outlet 12 for drinking. It is understood that the water outlet 12 may be provided with a valve for controlling the on/off of the water outlet 12, which belongs to the prior art and will not be described herein for brevity. The soft water can be directly used for drinking and can be used separately from the water for washing clothes and vegetables, so that the soft water can be saved by using water according to quality.

After the simple small-sized soft water preparation device is used for a long time, the filter layer 20 and the adsorption layer 30 generate concentrated water, and if large-particle impurities in the concentrated water are too much, the cation exchange layer 40 is easily blocked. Above-mentioned small-size soft water preparation facilities of plain type, it still sets up interstitial space 50 between adsorbed layer 30 and cation exchange layer 40, and when soft water preparation, interstitial space 50 can keep in the dense water that filter layer 20 and adsorbed layer 30 produced to through the dense water that outlet 13 discharge filter layer 20 and adsorbed layer 30 produced under the pressure of body 15 internal water, avoid the large granule impurity jam cation exchange layer 40 in the dense water, reduce the washing number of times of equipment.

When the simple small soft water preparation equipment needs to be backwashed for a long time, the pipe body 15 is rotated, and the water outlet 13 on the pipe body 15 faces downwards. The water outlet 12 is connected to the faucet so that water in the faucet enters through the water outlet 12 and is discharged from the water inlet 11 to form backwash water, which plays a role of backwashing each layer, and particularly the cation exchange layer 40 can reduce the filtration load of impurities on the cation exchange layer 40 by backwashing, and the backwash water is discharged from the water inlet 11 and the water outlet 13. During backwashing, the impurities washed from the cation exchange layer 40 can be discharged through the water discharge port 13 in the partition space 50, and the impurities washed from the cation exchange layer 40 are prevented from entering the adsorption layer 30 or the filtration layer 20.

After the completion of the cleaning, the cation exchange layer 40 is subjected to a reduction treatment, specifically, the pipe body 15 is rotated so that the regenerant supply port 14 on the pipe body 15 faces upward. The regenerant supply port 14 is opened through the valve switch 141, the regenerant bottle 62 is squeezed, and the sodium chloride saturated solution in the regenerant bottle 62 enters the cation exchange layer 40, so that the reduction treatment of the cation exchange layer 40 is realized.

After the reduction treatment of the cation exchange layer 40 is completed, the cleaning water can be introduced into the pipe body 15 again through the water inlet 11 or the water outlet 12 to clean the reduced calcium ions and magnesium ions on the cation exchange layer 40.

When the fillers in the activated carbon 32 layer, the quartz sand layer 23, the gravel layer 21 or the cation exchange layer 40 need to be replaced, the equipment end cover 16 is unscrewed, the corresponding inner tank is drawn out, and then the equipment end cover can be used after being reassembled in sequence.

According to the simple small-sized soft water preparation equipment, the purification and softening treatment of tap water are realized through the filter layer 20, the adsorption layer 30 and the cation exchange layer 40 which are sequentially communicated in the tank body 10, the water safety problem of common residents is solved, the domestic water can be pretreated according to the quality, and the water safety level of each urban and rural area is improved; and above-mentioned small-size soft water preparation equipment of plain type simple structure can carry out miniaturized production in order to reduce the occupation of land space of equipment, is fit for ordinary resident's water demand.

After the simple small soft water preparation equipment is used for a preset time, the water inlet 11 and the water outlet 12 are oppositely arranged, the filter layer 20, the adsorption layer 30 and the cation exchange layer 40 are arranged between the water inlet 11 and the water outlet 12, the water outlet 12 can be reversely connected to a faucet interface after the simple small soft water preparation equipment is used for the preset time, at the moment, water sequentially passes through the cation exchange layer 40, the adsorption layer 30 and the filter layer 20 and finally rushes out from the water inlet 11, so that the cation exchange layer 40, the adsorption layer 30 and the filter layer 20 are backwashed, the bacterium breeding caused by the deposition dirt in the equipment is prevented, the secondary pollution of drinking water is avoided, and the cation exchange layer 40, the adsorption layer 30 and the filter layer 20 can be repeatedly used; meanwhile, after the simple small soft water preparation device is used for a preset time, a regenerant solution can be introduced into the cation exchange layer 40 through the regenerant supply port 14, so that the cation exchange resin 42 can be reduced for reuse, the cation exchange resin 42 is reduced for back flushing, and the preparation cost of soft water can be reduced.

When the simple small soft water preparation equipment is used, the first inner tank 211, the second inner tank 231, the third inner tank 31 and the fourth inner tank 41 can be drawn out from the pipe body 15, so that the gravel 21, the quartz sand 23, the activated carbon 32 and the cation exchange resin 42 can be replaced, and the simple small soft water preparation equipment is convenient to disassemble and assemble.

The simple small soft water preparation equipment is characterized in that the filter screen layers 70 are respectively arranged between the first inner tank 211 and the second inner tank 231, between the second inner tank 231 and the third inner tank 31, between the third inner tank 31 and the spacing space 50, between the spacing space 50 and the fourth inner tank 41, at the end of the first inner tank 211 opposite to the second tank 10 and at the end of the fourth inner tank 41 opposite to the spacing space 50, and water entering the corresponding inner tank can be preliminarily filtered and purified through the filter screen layers 70, so that the blocking probability of the equipment is reduced; the filter screen layer 70 includes two support spacers 72 and a filter screen 74 interposed between the two support spacers 72, and when in use, the support spacers 72 not only fix the filter screen 74 but also support the pipe body 15 to prevent the pipe body 15 from bending and deforming.

In the above simple small-sized soft water preparing apparatus, the pipe body 15 includes the pipe body 15 and the two end caps 16, and when the apparatus is used, the end caps 16 can be opened by the user, so that the first inner tank 211, the second inner tank 231, the third inner tank 31 and the fourth inner tank 41 can be drawn out from the pipe body 15.

Above-mentioned small-size soft water preparation equipment of plain type still includes the liftable bracket 90 that is used for supporting jar body 10, and during the use, accessible liftable bracket 90 supports body 15, and can adjust the height of body 15 as required to convenient to use. The above-mentioned small-scale soft water preparation facilities of plain type adopt cation exchange layer 40 to prepare soft water, and it is lower than other soft water treatment facilities, such as reverse osmosis, ultrafiltration etc. its cost is more favorable to the family formula or promote in remote area.

Above-mentioned small-size soft water preparation facilities of plain type, when its liftable bracket 90 used, the accessible rotated lock nut 95, made lock nut 95 and lifting screw 92 separation, and then separated support frame 94 and lifting screw 92, and through rotating lifting screw 92, can separate lifting screw 92 and base 91, and then realized liftable bracket 90's split, the transportation of being convenient for.

It is understood that other prior art filter treatment fillers can be used for the filter layer 20, and similarly, other prior art adsorbent treatment fillers can be used for the adsorbent layer 30.

It will be appreciated that the lifting bracket 90 may take other configurations, such as a scissor lift, etc.

It is understood that the drain port 13 may be omitted, and in this case, the sodium ion resin exchange layer 40 may be in contact with the adsorption layer 30.

It is understood that the tube 15, the first inner tank 211, the second inner tank 231, the third inner tank 31, the fourth inner tank 41, the supporting pad 72, the regenerant bottle 62, the liftable bracket 90, etc. may be made of other materials in the prior art.

The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.

Claims (10)

1. The utility model provides a small-size soft water preparation equipment of plain type, which characterized in that, including jar body (10), the relative both ends of jar body (10) are seted up respectively with jar internal portion intercommunication water inlet (11) and delivery port (12), be equipped with in jar body (10) and be used for purifying water and filter layer (20), adsorbed layer (30) and cation exchange layer (40) that communicate in proper order, filter layer (20), adsorbed layer (30) and cation exchange layer (40) distribute in proper order from water inlet (11) to delivery port (12) direction, still seted up regenerant supply opening (14) on jar body (10), regenerant supply opening (14) and cation exchange layer (40) intercommunication to supply the regenerant to cation exchange layer (40).

2. The compact soft water preparation facility of claim 1, wherein the adsorption layer (30) and the cation exchange layer (40) are spaced apart to form a space (50), and the tank (10) is further provided with a drain port (13) communicating with the space (50) for discharging backwash water or concentrate.

3. The compact soft water preparation facility of claim 2, wherein the tank (10) comprises a tube (15) and two end caps (16), opposite ends of the tube (15) are open ends for the filter layer (20), the adsorption layer (30) and the cation exchange layer (40) to enter and exit the tube (15), the two end caps (16) are detachably mounted at the two open ends of the tube (15) respectively and close the corresponding open ends, the water inlet (11) and the water outlet (12) are mounted on the two end caps (16) respectively, and the water outlet (13) and the regenerant supply port (14) are spaced apart from each other on the tube (15).

4. A compact soft water production plant according to claim 3, wherein the filter layer (20) comprises a gravel layer (21) and a quartz sand layer (23), the quartz sand layer (23) being located between the gravel layer (21) and the adsorption layer (30); the adsorption layer (30) is an activated carbon layer.

5. The simplified small-sized soft water preparation apparatus according to claim 4, wherein the gravel layer (21) comprises a first inner tank (211) communicating with the pipe body (15) and gravels (213) installed in the first inner tank (211), the quartz sand layer (23) comprises a second inner tank (231) and quartz sand (233) installed in the second inner tank (231), the adsorption layer (30) comprises a third inner tank (31) and activated carbon (32) installed in the third inner tank (31), the cation exchange layer (40) comprises a fourth inner tank (41) communicating with the pipe body (15) and cation exchange resin (42) installed in the fourth inner tank (41), and the first inner tank (211), the second inner tank (231), the third inner tank (31) and the fourth inner tank (41) are inserted into the pipe body (15) and sequentially communicate end to end; the fourth inner tank (41) is provided with a communication port (43) corresponding to the regenerant supply port (14) for the regenerant to enter the fourth inner tank (41).

6. The compact soft water preparation plant of claim 5, wherein a strainer layer (70) is installed between the first inner tank (211) and the second inner tank (231), between the second inner tank (231) and the third inner tank (31), between the third inner tank (31) and the separation space (50), between the separation space (50) and the fourth inner tank (41), and the end of the first inner tank (211) facing away from the second tank (10) and the end of the fourth inner tank (41) facing away from the separation space (50), and the first inner tank (211) and the fourth inner tank (41) are communicated with the pipe body (15) through the corresponding strainer layer (70).

7. The simple small-sized soft water preparation apparatus according to claim 6, wherein the filter screen layer (70) comprises two support spacers (72) and a filter screen (74) interposed between the two support spacers (72), the support spacers (72) are detachably supported in the pipe body (15), and the support spacers (72) are perforated with filter holes; the aperture of the filter holes of the filter screen (74) is smaller than that of the filter holes of the support gasket (72).

8. The compact soft water preparation plant of claim 1, wherein the water inlet (11) and the water outlet (12) are each provided with a screw connection for connection to an external pipe.

9. The compact soft water preparation apparatus of claim 1, further comprising a regenerant bottle (62) and a connection pipe (64), wherein one end of the connection pipe (64) is connected to the regenerant bottle (62), the other end of the connection pipe (64) is connected to the cation exchange layer (40) through a regenerant supply port (14), and a valve switch (141) for controlling the on-off of the regenerant supply port (14) is provided at the regenerant supply port (14).

10. The compact soft water preparation apparatus of claim 1, wherein the compact soft water preparation apparatus comprises a liftable bracket (90) for supporting the tank (10).

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