A crystal-induced softening device for water treatment

Abstract

The present invention discloses a crystal-seeding softening device for water treatment, which relates to the technical field of crystal-seeding softening in water treatment and includes: a reactor, a water inlet pipe is fixedly installed at the top of the reactor, a drainage device is fixedly installed at the bottom of the reactor, and a feeding box is fixedly installed on the reactor; a softening device, the softening device is arranged inside the reactor, the softening device includes a motor, a stirring rod, a moving frame, a fixed rod, a hollow column, a placing frame, a protective cover, a sliding rod, a push rod, a connecting frame and a rotating plate. The reciprocating up and down movement of the moving frame will drive the reciprocating up and down movement of the hollow column, and the reciprocating up and down movement of the hollow column will drive the reciprocating up and down movement of the placing frame. The motor is fixedly installed at the top of the reactor, and the stirring rod is fixedly installed at the output end of the motor. By the reciprocating up and down movement of the placing frame, the contact area between the crystal seeds and water is increased, and the efficiency of crystal precipitation of calcium and magnesium ions in the water body is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of water treatment induced crystallization softening, and specifically relates to an induced crystallization softening device for water treatment. Background Technique

[0002] The induced crystallization softening device in water treatment is a device that removes the dissolved hardness in water by inducing the crystallization and precipitation of crystals. It utilizes a physicochemical process, and through induced crystallization under specific conditions, converts the hardness components in water into crystal forms, thereby reducing the hardness of water.

[0003] The patent with the patent announcement number CN219771894U relates to a softening device for water treatment, including a base and a reduction motor arranged on the base. The reduction motor drives a tank body on the base to slide and swing through a swinging device. A strip-shaped groove is opened at the bottom of the tank body. The swinging device includes a meshing connection of a gear sleeve and a gear. One side of the gear is axially hinged with a first dial fixed to the output end of the reduction motor, and the other side of the gear is axially hinged with a second dial. A pulley extending into the strip-shaped groove is vertically arranged on the second dial. Through the arranged reduction motor and swinging device, the swinging device drives the tank body to slide and swing on the slide rail, so that the solution in the tank body and the added chemical reagent are fully oscillated and dissolved, improving the softening effect.

[0004] In the above patent, through the arranged reduction motor and swinging device, the swinging device drives the tank body to slide and swing on the slide rail, so that the solution in the tank body and the added chemical reagent are fully oscillated and dissolved, improving the softening effect. However, if the induced crystallization is not replaced for a long time, the seed crystals may lose the effect of promoting crystallization, the crystallization process becomes unstable or the efficiency decreases, resulting in an extended production cycle. Summary of the Invention

[0005] Aiming at the deficiencies of the prior art, the present invention provides an induced crystallization softening device for water treatment, which solves the problems put forward in the above background technique.

[0006] To achieve the above object, the present invention is realized by the following technical solutions: A crystallization-induced softening device for water treatment, comprising: a reactor, an inlet pipe is fixedly installed at the top of the reactor, a drainage device is fixedly installed at the bottom of the reactor, and a feeding box is fixedly installed on the reactor; a softening device, the softening device is arranged inside the reactor, the softening device includes a motor, a stirring rod, a moving frame, a fixed rod, a hollow column, a placement rack, a protective cover, a sliding rod, a push rod, a connecting frame and a rotating plate. The up-and-down reciprocating movement of the moving frame will drive the up-and-down reciprocating movement of the hollow column, and the up-and-down reciprocating movement of the hollow column will drive the up-and-down reciprocating movement of the placement rack. The motor is fixedly installed at the top of the reactor, the stirring rod is fixedly installed at the output end of the motor, a reciprocating thread groove is provided on the surface of the stirring rod, the moving frame is threadedly installed on the circumferential surface of the stirring rod, the fixed rod is fixedly installed at the top of the inner wall of the reactor, the fixed rod penetrates through the surface of the moving frame, the hollow column is fixedly installed on the top of the moving frame, the placement rack is slidably installed inside the hollow column, the protective cover is fixedly installed at the top of the reactor, the sliding rod slidably penetrates through the surface of the moving frame, the push rod slidably penetrates through the surface of the moving frame, the connecting frame is fixedly installed at the bottom of the moving frame, and the rotating plate is rotatably installed inside the connecting frame. When one end of the rotating plate rotates downward, it will drive the other end of the rotating plate to rotate upward. The upward rotation of the other end of the rotating plate will push the push rod upward, and the upward movement of the push rod will push the placement rack upward.

[0007] According to the above technical solution, a first spring is arranged between the sliding rod and the moving frame to drive the sliding rod to reset through the first spring. A second spring is arranged between the push rod and the moving frame to drive the push rod to reset through the second spring. A first torsion spring is arranged between the rotating plate and the connecting frame to drive the rotating plate to reset through the first torsion spring.

[0008] According to the above technical solution, an anti-adhesion device for preventing scale adhesion is arranged on the moving frame, and a control feeding device is arranged at the top of the reactor. The anti-adhesion device includes a fixing plate, a connecting plate, an elastic telescopic rod, an arc plate and an elastic plate. The downward movement of the moving frame will drive the downward movement of the elastic telescopic rod, the downward movement of the elastic telescopic rod will drive the downward movement of the arc plate, and the downward movement of the arc plate will drive the downward movement of the elastic plate. The fixing plate is fixedly installed at the top of the inner wall of the reactor, the connecting plate is fixedly installed on the surface of the fixing plate, the elastic telescopic rod is fixedly installed on the surface of the moving frame, the arc plate is fixedly installed at the free end of the elastic telescopic rod, and the elastic plate is fixedly installed on the surface of the arc plate.

[0009] According to the above technical solution, a connecting rod is fixedly installed on the free end of the elastic telescopic rod, a rotating plate is fixedly installed on a side of the connecting plate away from the fixed plate, a limiting plate is fixedly installed on the top of the rotating plate, and a limiting block is fixedly installed on a side of the connecting plate away from the fixed plate. The movement of the connecting rod in a direction away from the inner wall of the reactor will drive the free end of the elastic telescopic rod to contract, and the contraction of the free end of the elastic telescopic rod will drive the arc plate to break away from the contact with the inner wall of the reactor.

[0010] According to the above technical solution, an arc groove is provided on one side of the connecting plate away from the inner wall of the reactor, and a No. 2 torsion spring is arranged between the connecting plate and the rotating plate. The No. 2 torsion spring drives the rotating plate to reset, and the limit plate contacts the surface of the limit block.

[0011] According to the above technical solution, the feeding control device includes a concave plate, a sliding plate and a short plate. The movement of the short plate toward the inner wall of the reactor will drive the sliding plate to move toward the inner wall of the reactor. The concave plate is fixedly installed on one side of the arc plate close to the elastic telescopic rod. The sliding plate is slidably installed on the top of the inner wall of the reactor. The short plate is fixedly installed on the bottom of the sliding plate.

[0012] According to the above technical solution, a support frame is fixedly installed on the inner wall of the feeding box, a long rod is slidably penetrated by the surface of the support frame, a cross rod is fixedly installed on the top of the long rod, and a semicircular block is fixedly installed on the bottom of the long rod. The semicircular block will move downward when it loses support, and the downward movement of the semicircular block will drive the long rod and the cross rod to move downward. When the No. 3 spring drives the sliding plate to reset, the discharge port will push the semicircular block to move upward when it contacts the semicircular block.

[0013] According to the above technical solution, a discharge port is provided on the surface of the sliding plate, a No. 3 spring is arranged between the sliding plate and the reactor, and the sliding plate is driven to reset by the No. 3 spring, and a No. 4 spring is arranged between the support frame and the long rod, and the long rod is driven to reset by the No. 4 spring.

[0014] The present invention provides a crystal softening device for water treatment, which has the following beneficial effects:

[0015] (1)In this invention, water is first injected into the reactor through the water inlet pipe. It is combined with the seed crystals inside the placement rack and fused with the water, converting the hardness components in the water into crystal form and attaching them to the seed crystals. The motor rotates to drive the stirring rod to rotate, and the stirring can increase the contact area between the water and the seed crystals. At the same time, the placement rack moves up and down reciprocally to increase the contact area between the seed crystals and the water, improving the efficiency of crystal precipitation of calcium and magnesium ions in the water body. Also, when it is necessary to replace the seed crystals, when the hollow column rises to the height of the protective cover, the motor is turned off, and the placement rack can be manually pulled upward to remove the seed crystals inside the placement rack and replace the seed crystals, preventing excessive crystallization from adhering to the seed crystals and resulting in a decrease in the efficiency of crystal precipitation. When the push rod moves upward, it will push the placement rack upward, and the upward movement of the placement rack can prevent the seed crystals from adhering to the inside of the placement rack and affecting the efficiency of crystal precipitation.

[0016] (2)In this invention, the scale adhering to the inner wall of the reactor is scraped off by the downward movement of the arc plate and the elastic plate, preventing the scale accumulation on the inner wall of the reactor from possibly causing uneven heat transfer and a decrease in the reaction rate. At the same time, when the free end of the elastic telescopic rod contracts, it will drive the arc plate to disengage from the contact with the inner wall of the reactor, preventing the arc plate from continuously scraping the inner wall of the reactor during the upward movement. The long-term reciprocating scraping may cause damage to the inner wall of the reactor and affect the service life of the reactor.

[0017] (3)In this invention, when the short plate moves towards the inner wall of the reactor, it will drive the sliding plate to move towards the inner wall of the reactor. The movement of the sliding plate towards the inner wall of the reactor will cause the discharge port to coincide with the outlet of the feeding box, enabling the limestone powder inside the feeding box to enter the reactor and fuse with the water. Then, combined with the stirring of the stirring rod, it promotes the crystallization reaction. At the same time, when the discharge port contacts the semi-circular block, it will push the semi-circular block upward, and through the up and down reciprocating movement of the long rod and the cross rod, it prevents the limestone powder inside the feeding box from being blocked and affecting the catalytic effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 is a schematic diagram of the overall sectional structure of the present invention;

[0020] Figure 3 is a schematic diagram of the sectional structure of the moving rack and the hollow column of the present invention;

[0021] Figure 4 is a schematic diagram of the anti-adhesion device structure of the present invention;

[0022] Figure 5 is the present invention Figure 4 is an enlarged schematic diagram of the structure of part A in;

[0023] Figure 6Schematic structural diagram of the reactor and sliding plate of the present invention;

[0024] Figure 7 Schematic sectional structural diagram of the feeding box of the present invention.

[0025] In the figure: 1. Reactor; 2. Water inlet pipe; 3. Drainage device; 4. Feeding box; 5. Motor; 6. Stirring rod; 7. Moving frame; 8. Fixed rod; 9. Hollow column; 10. Placing rack; 11. Protective cover; 12. Sliding rod; 13. Push rod; 14. Connecting frame; 15. Rotating plate; 161. Fixed plate; 162. Connecting plate; 163. Elastic telescopic rod; 164. Arc plate; 165. Elastic plate; 166. Connecting rod; 167. Rotating plate; 168. Limiting plate; 169. Limiting block; 171. Concave plate; 172. Sliding plate; 173. Short plate; 174. Support frame; 175. Long rod; 176. Cross rod; 177. Semi-circular block. Specific embodiments

[0026] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0027] Please refer to Figures 1-3 , an embodiment of the present invention is: a crystal-induced softening device for water treatment, including: a reactor 1, a water inlet pipe 2 is fixedly installed at the top of the reactor 1, a drainage device 3 is fixedly installed at the bottom of the reactor 1, and a feeding box 4 is fixedly installed on the reactor 1; a softening device, the softening device is arranged inside the reactor 1, and the softening device includes a motor 5, a stirring rod 6, a moving frame 7, a fixed rod 8, a hollow column 9, a placing rack 10, a protective cover 11, a sliding rod 12, a push rod 13, a connecting frame 14 and a rotating plate 15. By reciprocating the up and down movement of the placing rack 10, the contact area between the crystal seeds and water is increased, and the efficiency of calcium and magnesium ion crystallization and precipitation in the water body is improved. The motor 5 is fixedly installed at the top of the reactor 1, the stirring rod 6 is fixedly installed at the output end of the motor 5, a reciprocating thread groove is provided on the surface of the stirring rod 6, the moving frame 7 is threadedly installed on the circumferential surface of the stirring rod 6, the fixed rod 8 is fixedly installed at the top of the inner wall of the reactor 1, the fixed rod 8 penetrates through the surface of the moving frame 7, the hollow column 9 is fixedly installed at the top of the moving frame 7, the placing rack 10 is slidably installed inside the hollow column 9, the protective cover 11 is fixedly installed at the top of the reactor 1, the sliding rod 12 slidably penetrates through the surface of the moving frame 7, the push rod 13 slidably penetrates through the surface of the moving frame 7, the connecting frame 14 is fixedly installed at the bottom of the moving frame 7, and the rotating plate 15 is rotatably installed inside the connecting frame 14. By moving the placing rack 10 upward, it is possible to prevent the crystal seeds from adhering to the inside of the placing rack 10 and affecting the efficiency of crystallization and precipitation.

[0028] A first spring is provided between the sliding rod 12 and the moving frame 7, and the sliding rod 12 is driven to reset by the first spring. A second spring is provided between the push rod 13 and the moving frame 7, and the push rod 13 is driven to reset by the second spring. A first torsion spring is provided between the rotating plate 15 and the connecting frame 14, and the rotating plate 15 is driven to reset by the first torsion spring.

[0029] When this embodiment works: First, water is injected into the reactor 1 through the water inlet pipe 2, and it is combined with the seeds inside the placement rack 10 to fuse with the water, converting the hardness components in the water into crystal form and attaching them to the seeds. The motor 5 rotates to drive the stirring rod 6 to rotate. Stirring can increase the contact area between the water and the seeds, promoting more dissolved ions to crystallize on the surface of the seeds. At the same time, the rotation of the stirring rod 6 will drive the moving frame 7 to move up and down reciprocally. The up and down reciprocating movement of the moving frame 7 will drive the hollow column 9 to move up and down reciprocally. The up and down reciprocating movement of the hollow column 9 will drive the placement rack 10 to move up and down reciprocally. By the up and down reciprocating movement of the placement rack 10, the contact area between the seeds and the water is increased, and the efficiency of calcium and magnesium ions crystallization and precipitation in the water body is improved. At the same time, when the seeds need to be replaced, when the hollow column 9 rises to the height of the protective cover 11, the motor 5 is turned off, and the placement rack 10 can be manually pulled upward to remove the seeds inside the placement rack 10 and replace the seeds to prevent too much crystallization from adhering to the seeds, resulting in a decrease in the efficiency of crystallization and precipitation. At the same time, during the upward movement of the moving frame 7, the sliding rod 12 will be driven to move upward. When the sliding rod 12 moves upward, it will contact the top of the reactor 1, and the reaction force will push the sliding rod 12 to move downward. When the sliding rod 12 moves downward, it will push one end of the rotating plate 15 to rotate downward. When one end of the rotating plate 15 rotates downward, it will drive the other end of the rotating plate 15 to rotate upward. When the other end of the rotating plate 15 rotates upward, it will push the push rod 13 to move upward. When the push rod 13 moves upward, it will push the placement rack 10 to move upward. By the upward movement of the placement rack 10, it can prevent the seeds from adhering to the inside of the placement rack 10 and affecting the efficiency of crystallization and precipitation.

[0030] Please refer to Figures 1-7 , on the basis of the above embodiment, in another embodiment of the present invention, an anti-adhesion device for preventing scale adhesion is provided on the moving frame 7, and a control feeding device is provided on the top of the reactor 1. The anti-adhesion device includes a fixing plate 161, a connecting plate 162, an elastic telescopic rod 163, an arc plate 164 and an elastic plate 165. The fixing plate 161 is fixedly installed on the top inner wall of the reactor 1, the connecting plate 162 is fixedly installed on the surface of the fixing plate 161, the elastic telescopic rod 163 is fixedly installed on the surface of the moving frame 7, the arc plate 164 is fixedly installed at the free end of the elastic telescopic rod 163, and the elastic plate 165 is fixedly installed on the surface of the arc plate 164. The scale adhering to the inner wall of the reactor 1 is scraped off by the downward movement of the arc plate 164 and the elastic plate 165, preventing the scale accumulation on the inner wall of the reactor 1 from possibly causing uneven heat transfer and a reduction in the reaction rate.

[0031] A connecting rod 166 is fixedly installed at the free end of the elastic telescopic rod 163. A rotating plate 167 is fixedly installed on the side of the connecting plate 162 away from the fixed plate 161. A limiting plate 168 is fixedly installed at the top of the rotating plate 167. A limiting block 169 is fixedly installed on the side of the connecting plate 162 away from the fixed plate 161, preventing the arc-shaped plate 164 from continuously scraping the inner wall of the reactor 1 during the upward movement. Repeated scraping back and forth for a long time may cause damage to the inner wall of the reactor 1 and affect the service life of the reactor 1.

[0032] An arc-shaped groove is formed on the side of the connecting plate 162 away from the inner wall of the reactor 1. A second torsion spring is arranged between the connecting plate 162 and the rotating plate 167 to drive the rotating plate 167 to reset through the second torsion spring, and the limiting plate 168 is in contact with the surface of the limiting block 169.

[0033] The control feeding device includes a concave plate 171, a sliding plate 172 and a short plate 173. The concave plate 171 is fixedly installed on the side of the arc-shaped plate 164 close to the elastic telescopic rod 163. The sliding plate 172 is slidably installed at the top of the inner wall of the reactor 1. The short plate 173 is fixedly installed at the bottom of the sliding plate 172. When the sliding plate 172 moves towards the inner wall of the reactor 1, it will drive the discharge port to coincide with the outlet of the feeding box 4, so that the limestone powder inside the feeding box 4 enters the reactor 1 and fuses with water, and then cooperates with the stirring rod 6 to stir to promote the crystallization reaction.

[0034] A support frame 174 is fixedly installed on the inner wall of the feeding box 4. A long rod 175 slidably penetrates through the surface of the support frame 174. A cross rod 176 is fixedly installed at the top of the long rod 175. A semi-circular block 177 is fixedly installed at the bottom of the long rod 175. Through the up and down reciprocating movement of the long rod 175 and the cross rod 176, it is prevented that the limestone powder inside the feeding box 4 is blocked, affecting the catalytic effect.

[0035] A discharge port is formed on the surface of the sliding plate 172. A third spring is arranged between the sliding plate 172 and the reactor 1 to drive the sliding plate 172 to reset through the third spring. A fourth spring is arranged between the support frame 174 and the long rod 175 to drive the long rod 175 to reset through the fourth spring.

[0036] During the operation of this embodiment: when the moving frame 7 moves downward, it will drive the elastic telescopic rod 163 to move downward. When the elastic telescopic rod 163 moves downward, it will drive the arc-shaped plate 164 to move downward. When the arc-shaped plate 164 moves downward, it will drive the elastic plate 165 to move downward. By the downward movement of the arc-shaped plate 164 and the elastic plate 165, the water scale adhering to the inner wall of the reactor 1 is scraped off, preventing the uneven heat transfer and the reduction of the reaction rate caused by the scale on the inner wall of the reactor 1. At the same time, when the elastic telescopic rod 163 moves downward, it will drive the connecting rod 166 to move downward. When the connecting rod 166 moves downward, it will push the rotating plate 167 to rotate downward. When the connecting rod 166 disengages from the rotating plate 167, the second torsion spring will drive the rotating plate 167 to reset. When the rotating plate 167 resets, it will drive the limiting plate 168 to contact the limiting block 169, and the limiting block 169 will perform one-way limiting on the limiting plate 168. At the same time, when the moving frame 7 moves upward and drives the elastic telescopic rod 163 and the connecting rod 166 to move upward, the connecting rod 166 will contact the rotating plate 167, and the rotating plate 167 will squeeze the connecting rod 166 to move away from the inner wall of the reactor 1. When the connecting rod 166 moves away from the inner wall of the reactor 1, it will drive the free end of the elastic telescopic rod 163 to contract. When the free end of the elastic telescopic rod 163 contracts, it will drive the arc-shaped plate 164 to disengage from the contact with the inner wall of the reactor 1, preventing the arc-shaped plate 164 from continuously scraping the inner wall of the reactor 1 during the upward movement. The long-term reciprocating scraping may damage the inner wall of the reactor 1 and affect the service life of the reactor 1.

[0037] When the connecting rod 166 disengages from the contact with the connecting plate 162, the elastic force of the elastic telescopic rod 163 itself will drive the arc-shaped plate 164 to move towards the inner wall of the reactor 1. When the arc-shaped plate 164 moves towards the inner wall of the reactor 1, it will drive the concave-shaped plate 171 to move towards the inner wall of the reactor 1. When the concave-shaped plate 171 moves towards the inner wall of the reactor 1, it will push the short plate 173 to move towards the inner wall of the reactor 1. When the short plate 173 moves towards the inner wall of the reactor 1, it will drive the sliding plate 172 to move towards the inner wall of the reactor 1. When the sliding plate 172 moves towards the inner wall of the reactor 1, it will drive the discharge port to coincide with the outlet of the feeding box 4, so that the limestone powder inside the feeding box 4 enters the reactor 1 and fuses with water, and then cooperates with the stirring rod 6 to stir to promote the crystallization reaction. At the same time, when the discharge port coincides with the outlet of the feeding box 4, the semi-circular block 177 will move downward due to the loss of support. When the semi-circular block 177 moves downward, it will drive the long rod 175 and the cross rod 176 to move downward. When the third spring drives the sliding plate 172 to reset, when the discharge port contacts the semi-circular block 177, it will push the semi-circular block 177 to move upward. Through the up and down reciprocating movement of the long rod 175 and the cross rod 176, it is prevented that the limestone powder inside the feeding box 4 is blocked, affecting the catalytic effect.

[0038] Although embodiments of the present invention have been shown and described, those of ordinary skill in the art will appreciate that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A crystal-inducing softening device for water treatment, characterized in that, Comprising: A reactor (1), a water inlet pipe (2) is fixedly installed at the top of the reactor (1), a drainage device (3) is fixedly installed at the bottom of the reactor (1), and a feeding box (4) is fixedly installed on the reactor (1); A softening device, the softening device is arranged inside the reactor (1), the softening device includes a motor (5), a stirring rod (6), a moving frame (7), a fixing rod (8), a hollow column (9), a placing rack (10), a protective cover (11), a sliding rod (12), a push rod (13), a connecting frame (14) and a rotating plate (15), the motor (5) is fixedly installed at the top of the reactor (1), the stirring rod (6) is fixedly installed at the output end of the motor (5), a reciprocating thread groove is formed on the surface of the stirring rod (6), the moving frame (7) is threadedly installed on the circumferential surface of the stirring rod (6), the fixing rod (8) is fixedly installed at the top of the inner wall of the reactor (1), the fixing rod (8) penetrates through the surface of the moving frame (7), the hollow column (9) is fixedly installed at the top of the moving frame (7), the placing rack (10) is slidably installed inside the hollow column (9), the protective cover (11) is fixedly installed at the top of the reactor (1), the sliding rod (12) slidably penetrates through the surface of the moving frame (7), the push rod (13) slidably penetrates through the surface of the moving frame (7), the connecting frame (14) is fixedly installed at the bottom of the moving frame (7), and the rotating plate (15) is rotatably installed on the inner wall of the connecting frame (14); Wherein, an anti-adhesion device for preventing scale adhesion is arranged on the moving frame (7), and a control feeding device is arranged at the top of the reactor (1).

2. The crystal induction softening device for water treatment according to claim 1, wherein: A first spring is arranged between the sliding rod (12) and the moving frame (7), a second spring is arranged between the push rod (13) and the moving frame (7), and a first torsion spring is arranged between the rotating plate (15) and the connecting frame (14).

3. The crystallization-inducing softening device for water treatment according to claim 2, wherein: The anti-adhesion device includes a fixing plate (161), a connecting plate (162), an elastic telescopic rod (163), an arc plate (164) and an elastic plate (165), the fixing plate (161) is fixedly installed at the top of the inner wall of the reactor (1), the connecting plate (162) is fixedly installed on the surface of the fixing plate (161), the elastic telescopic rod (163) is fixedly installed on the surface of the moving frame (7), the arc plate (164) is fixedly installed at the free end of the elastic telescopic rod (163), and the elastic plate (165) is fixedly installed on the surface of the arc plate (164).

4. The crystallization-induced softening device for water treatment according to claim 3, wherein: A connecting rod (166) is fixedly installed at the free end of the elastic telescopic rod (163), a rotating plate (167) is fixedly installed on the side of the connecting plate (162) away from the fixing plate (161), a limiting plate (168) is fixedly installed at the top of the rotating plate (167), and a limiting block (169) is fixedly installed on the side of the connecting plate (162) away from the fixing plate (161).

5. The crystallization-inducing softening device for water treatment according to claim 4, characterized in that: An arc groove is formed on the side of the connecting plate (162) away from the inner wall of the reactor (1), a second torsion spring is arranged between the connecting plate (162) and the rotating plate (167), and the limiting plate (168) is in contact with the surface of the limiting block (169).

6. The crystal induction softening device for water treatment according to claim 5, characterized in that: The described controlled feeding device includes a concave plate (171), a sliding plate (172) and a short plate (173). The concave plate (171) is fixedly installed on the side of the arc plate (164) close to the elastic telescopic rod (163). The sliding plate (172) is slidably installed on the top of the inner wall of the reactor (1). The short plate (173) is fixedly installed at the bottom of the sliding plate (172).

7. The crystallization-induced softening device for water treatment according to claim 6, wherein: A support frame (174) is fixedly installed on the inner wall of the feeding box (4). A long rod (175) slidably penetrates through the surface of the support frame (174). A cross rod (176) is fixedly installed at the top of the long rod (175). A semi-circular block (177) is fixedly installed at the bottom of the long rod (175).

8. The crystallization-induced softening device for water treatment according to claim 7, wherein: A discharge port is formed on the surface of the sliding plate (172). A third spring is provided between the sliding plate (172) and the reactor (1). A fourth spring is provided between the support frame (174) and the long rod (175).

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