Desalting bed
By designing a regeneration mechanism and auxiliary components, the problem of insufficient contact during cation exchange resin regeneration was solved, achieving full contact between brine and resin and improving the regeneration effect.
Patent Information
- Application Number
- CN202520003434.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-02
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-01-02
AI Technical Summary
In existing desalination beds, high-concentration brine is directly discharged into the equipment during cation exchange resin regeneration, resulting in insufficient resin contact and affecting the regeneration effect.
A regeneration mechanism and auxiliary components were designed, including a salt tank, an inlet pipe, a drain pipe, a circular pipe, a four-way pipe, a vertical pipe, a rotating pipe, and a delivery pump. The delivery pump ensures that the brine and resin are in full contact, and the circular pipe and four-way pipe are rotated by a motor to increase the contact area.
This improves the regeneration effect of cation exchange resin, ensuring sufficient contact between brine and resin, and restoring the resin's exchange capacity.
Smart Images

Figure CN223906595U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to water treatment field, specifically, relate to a kind of salt removal bed. BACKGROUND
[0002] Salt removal bed is usually called soft water bed or water softening bed, it is a kind of equipment for removing hardness ions (mainly calcium ions Ca 2 + and magnesium ions Mg2+) in water, these minerals in hard water can cause pipe fouling, household appliance damage, poor washing effect etc.
[0003] The existing salt removal bed is generally directly discharged into the equipment inside the high-concentration brine in the salt tank when regenerating the cation exchange resin inside it, which can cause the cation exchange resin inside the equipment to not fully contact with the cation exchange resin, thereby affecting the regeneration effect. UTILITY MODEL CONTENT
[0004] The utility model aims at the problem that the existing salt removal bed is generally directly discharged into the equipment inside the high-concentration brine in the salt tank when regenerating the cation exchange resin inside it, which can cause the cation exchange resin inside the equipment to not fully contact with the cation exchange resin, thereby affecting the regeneration effect.
[0005] To achieve the above utility model purpose, the utility model provides the following technical scheme: a salt removal bed, comprising a tank body, a regeneration mechanism is arranged inside the tank body, an auxiliary assembly is arranged on the top of the tank body;
[0006] The regeneration mechanism comprises a support plate, a salt tank, a liquid inlet pipe, a first filter screen, a liquid outlet pipe, a water inlet pipe, a drain pipe, a second filter screen, a circular ring pipe, a four-way pipe, a vertical pipe, a rotating pipe and a delivery pump, the support plate is bolted to the outer wall of the tank body, the salt tank is bolted to the top of the support plate, the liquid inlet pipe is communicated and arranged on the top of the salt tank, the first filter screen is fixedly connected to the top end of the liquid inlet pipe, the liquid outlet pipe is arranged on one side of the salt tank, the water inlet pipe is communicated and arranged on the side wall of the tank body, the drain pipe is communicated and arranged on the bottom of the tank body, the second filter screen is fixedly connected to the inner wall of the tank body, the circular ring pipe and the four-way pipe are both arranged inside the tank body and above the second filter screen, the vertical pipe is communicated and arranged on the bottom of the four-way pipe, the rotating pipe is fixedly connected to the outer wall of the vertical pipe, and the delivery pump is arranged between the salt tank and the liquid outlet pipe.
[0007] As the preferred technical scheme of the utility model, the auxiliary assembly includes a fixed column, a support seat and a motor, the fixed column is fixedly connected to the top of the four-way pipe, the support seat is bolted to the top of the tank body, and the motor is bolted to the top of the support seat.
[0008] As the preferred technical scheme of the utility model, the electromagnetic valve is arranged on the outer wall of one end of the water inlet pipe and the drain pipe.
[0009] As the preferred technical scheme of the utility model, the inner wall top of the tank body is provided with a guide seat, the number of the guide seat is several, and the guide seat is circumferentially distributed along the central axis of the tank body.
[0010] As the preferred technical scheme of the utility model, the outer wall of the tank body is fixedly connected with an extension block, the bottom of the extension block is fixedly connected with a support leg, the bottom of the support leg is fixedly connected with a circular plate, and a threaded hole is formed in the circular plate.
[0011] As the preferred technical scheme of the utility model, the outer wall of the tank body is provided with an observation window.
[0012] As the preferred technical scheme of the utility model, the inner wall of the tank body is provided with a durable layer, and the material of the durable layer is an epoxy resin coating.
[0013] Compared with the prior art, the utility model has the advantages of:
[0014] 1. The regeneration mechanism is arranged, when the cation exchange resin on the second filter screen needs to be regenerated, high-concentration brine is injected into the interior of the salt tank, the brine enters the interiors of the drain pipe, the circular ring pipe and the four-way pipe in sequence, and then is discharged through the multiple holes at the bottoms of the circular ring pipe and the four-way pipe, so that the brine can fully contact the cation exchange resin, and the regeneration effect is improved.
[0015] 2. The auxiliary assembly is arranged, after the brine is discharged through the multiple holes at the bottoms of the circular ring pipe and the four-way pipe for a period of time, the cation exchange resin close to the inner wall of the tank body can not be contacted with the brine, at this time, the motor is started, the support seat, the circular ring pipe, the four-way pipe, the vertical pipe and the rotating pipe are rotated by the motor output end, the brine is thrown on the inner wall of the tank body, falls along the inner wall of the tank body, and then contacts the cation exchange resin, and the regeneration effect is improved again. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 The utility model provides a structure schematic view of the salt removing bed;
[0017] Figure 2 The utility model provides a left view of the salt removing bed;
[0018] Figure 3 The salt removal bed provided by the utility model Figure 2 The sectional view of A-A in the middle;
[0019] Figure 4 The salt removal bed provided by the utility model Figure 3 The enlarged view of A in the middle;
[0020] Figure 5 The salt removal bed provided by the utility model Figure 3 The enlarged view of B in the middle.
[0021] In the figure: 1, tank body; 2, regeneration mechanism; 3, auxiliary assembly; 4, electromagnetic valve; 5, flange plate; 6, guide seat; 7, extension block; 8, support leg; 9, round plate; 10, threaded hole; 11, observation window; 201, support plate; 202, salt tank; 203, liquid inlet pipe; 204, first filter screen; 205, liquid outlet pipe; 206, water inlet pipe; 207, water outlet pipe; 208, second filter screen; 209, circular ring pipe; 210, four-way pipe; 211, vertical pipe; 212, rotating pipe; 213, delivery pump; 301, fixed column; 302, support seat; 303, motor. DETAILED DESCRIPTION
[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments.
[0023] Therefore, the following detailed description of the embodiments of the utility model is not intended to limit the scope of the claimed utility model, but only represents some embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the utility model.
[0024] It should be noted that the embodiments in the utility model and the features and technical schemes in the embodiments can be combined with each other without conflict.
[0025] It should be noted that: similar signs and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.
[0026] As Figures 1-5 shown, the present embodiment proposes a salt removal bed, which comprises a tank body 1, the inside of the tank body 1 is provided with a regeneration mechanism 2, the top of the tank body 1 is provided with an auxiliary assembly 3;
[0027] As Figure 3 shown, the present embodiment proposes a salt removal bed, which comprises a tank body 1, the inside of the tank body 1 is provided with a regeneration mechanism 2, the top of the tank body 1 is provided with an auxiliary assembly 3;Figure 4 and Figure 5 As shown, the regeneration mechanism 2 includes a support plate 201, a salt tank 202, an inlet pipe 203, a first filter screen 204, a drain pipe 205, a water inlet pipe 206, a drain pipe 207, a second filter screen 208, a circular pipe 209, a four-way pipe 210, a vertical pipe 211, a rotating pipe 212, and a delivery pump 213. The support plate 201 is bolted to the outer wall of the tank 1, the salt tank 202 is bolted to the top of the support plate 201, the inlet pipe 203 is connected to the top of the salt tank 202, the first filter screen 204 is fixedly connected to the top of the inlet pipe 203, the drain pipe 205 is located on one side of the salt tank 202, and the water inlet pipe 206 is connected to the tank body. On the side wall of tank 1, drain pipe 207 is connected to the bottom of tank 1. Second filter screen 208 is fixedly connected to the inner wall of tank 1. Circular pipe 209 and four-way pipe 210 are both located inside tank 1 and above the second filter screen 208. Vertical pipe 211 is connected to the bottom of four-way pipe 210. Rotating pipe 212 is fixedly connected to the outer wall of vertical pipe 211. Transfer pump 213 is located between salt tank 202 and drain pipe 205. Several holes are opened at the bottom of circular pipe 209 and four-way pipe 210 for discharging high-concentration brine. The input end of transfer pump 213 is connected to the inside of salt tank 202 for drainage. One end of pipe 205 is connected to the output end of delivery pump 213, and the other end of drain pipe 205 passes through tank 1, with the end furthest from salt tank 202 rotatably connected to the bottom of rotating pipe 212. Four-way pipe 210 is horizontally arranged, with all four ends connected to the interior of annular pipe 209. During use, cation exchange resin is added to the interior of tank 1. The pore size of the second filter screen 208 is smaller than the particle size of the cation exchange resin. When water enters tank 1 through inlet pipe 206 and comes into contact with the cation exchange resin, calcium and magnesium ions (hardness ions) in the water exchange with sodium ions in the cation exchange resin. After the exchange, the hardness ions in the water are... The cation exchange resin adsorbs the water, turning it into soft water, which is then discharged through the drain pipe 207. After a certain period of use, the cation exchange resin will become saturated due to the adsorption of too many calcium and magnesium ions, resulting in a decrease in its exchange capacity. At this time, regeneration is required. Then, high-concentration brine is added into the brine tank 202 through the inlet pipe 203, and the brine is transported by the delivery pump 213. It is then discharged through multiple holes on the annular pipe 209 and the four-way pipe 210, which greatly increases the contact area between the brine and the cation exchange resin. This allows the brine to flush the cation exchange resin, re-displace the calcium and magnesium ions from the cation exchange resin, and restore its exchange capacity.
[0028] like Figure 3 and Figure 5As shown, the auxiliary assembly 3 includes a fixed column 301, a support seat 302 and a motor 303, the fixed column 301 is fixedly connected to the top of the four-way pipe 210, the support seat 302 is bolted to the top of the tank body 1, the motor 303 is bolted to the top of the support seat 302, the output end of the motor 303 penetrates the support seat 302 and the tank body 1, and is rotatably connected with the support seat 302 and the tank body 1, the output end of the motor 303 is fixedly connected with the top of the fixed column 301, when the brine is discharged from the multiple holes on the circular ring pipe 209 and the four-way pipe 210 for a period of time, the motor 303 can be started, the motor 303 drives the vertical pipe 211 and the rotating pipe 212 to rotate, so that the brine is thrown to the inner wall of the tank body 1, and then falls along the inner wall of the tank body 1, thereby improving the contact area of the brine and the cation exchange resin.
[0029] As shown in Figure 1 As shown, the water inlet pipe 206 and the drain pipe 207 are provided with electromagnetic valves 4, and the outer walls of one end of the water inlet pipe 206 and the drain pipe 207 are provided with flanges 5, which can control the opening and closing of the water inlet pipe 206 and the drain pipe 207 through the electromagnetic valves 4, and can facilitate the connection of the water inlet pipe 206 and the drain pipe 207 with external pipelines through the flanges 5.
[0030] As shown in Figure 4 As shown, the inner wall of the tank body 1 is provided with guide seats 6, the number of the guide seats 6 is several, and the guide seats 6 are distributed along the central axis of the tank body 1, the side wall of the guide seat 6 is slidably connected with the outer wall of the circular ring pipe 209, when the motor 303 drives the four-way pipe 210 and the circular ring pipe 209 to rotate, the guide ring can provide support for the outer wall of the circular ring pipe 209, avoiding the shaking of the circular ring pipe 209.
[0031] As shown in Figure 1 As shown, the outer wall of the tank body 1 is fixedly connected with an extension block 7, the bottom of the extension block 7 is fixedly connected with a support leg 8, the bottom of the support leg 8 is fixedly connected with a circular plate 9, and the circular plate 9 is provided with threaded holes 10, the number of the extension block 7, the support leg 8 and the circular plate 9 is four, and they are distributed along the central axis of the tank body 1, the number of the threaded holes 10 on the four circular plates 9 is four, and during use, external bolts are screwed into the threaded holes 10 and the external concrete ground, thereby fixing the device and improving the stability of the device.
[0032] As shown in Figure 1 As shown, the outer wall of the tank body 1 is provided with an observation window 11, through which the state of the cation exchange resin in the tank body 1 can be observed, so that workers can know when to regenerate the cation exchange resin.
[0033] As shown in Figure 3As shown, the inner wall of the tank body 1 is provided with a durable layer, the material of the durable layer is an epoxy coating, the durable layer made of the epoxy resin has good corrosion resistance, can effectively prevent the acid, alkali, salt and other substances in water from corroding the tank body 1, especially in the case of long-term operation, the epoxy resin can enhance the durability and safety of the tank body 1.
[0034] Specifically, the desalination bed is used as follows: the delivery pump 213, the motor 303 and the electromagnetic valve 4 are connected with the external power supply, the cation exchange resin is added into the tank body 1, the pore size of the second filter screen 208 is smaller than the particle size of the cation exchange resin, the second filter screen 208 is used for containing the cation exchange resin, when the water enters the tank body 1 through the water inlet pipe 206 and contacts the cation exchange resin, the calcium and magnesium ions (hardness ions) in the water exchange with the sodium ions in the cation exchange resin, after the exchange, the hardness ions in the water are adsorbed by the cation exchange resin, and the water becomes soft water and is discharged through the drain pipe 207, the cation exchange resin is saturated after a certain use period due to the adsorption of too much calcium and magnesium ions, so that the exchange capacity is reduced, at this time, regeneration is needed, then high-concentration brine is added into the salt tank 202 through the liquid inlet pipe 203, so that the brine is delivered by the delivery pump 213 and then discharged through the multiple holes on the annular pipe 209 and the four-way pipe 210, so that the contact area of the brine and the cation exchange resin is greatly improved, after the brine is discharged from the multiple holes on the annular pipe 209 and the four-way pipe 210 for a period of time, the motor 303 can be started, the motor 303 drives the vertical pipe 211 and the rotating pipe 212 to rotate, so that the brine is thrown to the inner wall of the tank body 1 and then falls along the inner wall of the tank body 1, so that the contact area of the brine and the cation exchange resin is improved, so that the brine washes the cation exchange resin, replaces the calcium and magnesium ions out of the cation exchange resin, and restores the exchange capacity.
[0035] All the technical features in the embodiment can be freely combined according to actual needs.
[0036] The above embodiment is a preferred implementation scheme of the utility model, in addition to this, the utility model can be realized in other ways, and any obvious replacement without departing from the technical scheme concept is within the protection scope of the utility model.
Claims
1. A salt removal bed comprising a tank body (1), characterized in that, The inside of the tank body (1) is provided with a regeneration mechanism (2), and the top of the tank body (1) is provided with an auxiliary assembly (3). The regeneration mechanism (2) comprises a support plate (201), a salt tank (202), a liquid inlet pipe (203), a first filter screen (204), a liquid outlet pipe (205), a water inlet pipe (206), a water outlet pipe (207), a second filter screen (208), a circular ring pipe (209), a four-way pipe (210), a vertical pipe (211), a rotating pipe (212) and a delivery pump (213), the support plate (201) is bolted to the outer wall of the tank body (1), the salt tank (202) is bolted to the top of the support plate (201), the liquid inlet pipe (203) is communicatedly arranged at the top of the salt tank (202), the first filter screen (204) is fixedly connected to the top end of the liquid inlet pipe (203), the liquid outlet pipe (205) is arranged on one side of the salt tank (202), the water inlet pipe (206) is communicatedly arranged on the side wall of the tank body (1), the water outlet pipe (207) is communicatedly arranged at the bottom of the tank body (1), the second filter screen (208) is fixedly connected to the inner wall of the tank body (1), the circular ring pipe (209) and the four-way pipe (210) are both arranged inside the tank body (1) and above the second filter screen (208), the vertical pipe (211) is communicatedly arranged at the bottom of the four-way pipe (210), the rotating pipe (212) is fixedly connected to the outer wall of the vertical pipe (211), and the delivery pump (213) is arranged between the salt tank (202) and the liquid outlet pipe (205).
2. A salt removal bed according to claim 1, characterized in that The auxiliary assembly (3) comprises a fixed column (301), a support seat (302) and a motor (303), the fixed column (301) is fixedly connected to the top of the four-way pipe (210), the support seat (302) is bolted to the top of the tank body (1), and the motor (303) is bolted to the top of the support seat (302).
3. A salt removal bed according to claim 1, wherein The water inlet pipe (206) and the water outlet pipe (207) are both provided with electromagnetic valves (4), and the outer walls of one ends of the water inlet pipe (206) and the water outlet pipe (207) are both provided with flanges (5).
4. The salt-removal bed of claim 1, wherein The inner wall of the tank body (1) is provided with guide seats (6) at the top end, the number of the guide seats (6) is several, and the guide seats (6) are circumferentially distributed along the central axis of the tank body (1).
5. The salt-removal bed of claim 1, wherein The outer wall of the tank body (1) is fixedly connected with an extension block (7), the bottom of the extension block (7) is fixedly connected with a support leg (8), the bottom of the support leg (8) is fixedly connected with a circular plate (9), and the circular plate (9) is provided with threaded holes (10).
6. A salt removal bed according to claim 1, wherein The outer wall of the tank body (1) is communicatedly provided with an observation window (11).
7. A salt removal bed according to claim 1, wherein The inner wall of the tank body (1) is provided with a durable layer, and the material of the durable layer is an epoxy resin coating.