Ion exchange device for boiler

Abstract

The utility model discloses an ion exchange unit for a boiler, which comprises a barrel, an upper water cap layer is arranged at the top in the barrel, a lower water cap layer is arranged at the bottom in the barrel, a grease pressing layer and a resin layer are sequentially filled between the upper water cap layer and the lower water cap layer, and a middle drain pipe is mounted on the bottom surface of the resin layer. A collecting pipe is arranged on the side wall of the barrel and located below the upper water cap layer, a one-way valve is installed at a liquid inlet of the collecting pipe and comprises a valve element and a push-pull rod, the push-pull rod penetrates through the outer portion of the collecting pipe and is fixedly connected with the valve element, and the valve element slides front and back at the liquid inlet of the collecting pipe. The resin regeneration device has the advantages that after the resin layer is regenerated, the collecting pipe is arranged below the upper water cap layer, effective regeneration liquid located above the resin layer is recycled, the recycled regeneration liquid can be used for next resin regeneration, resources are saved, and the practicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to ion exchanger technical field especially is related to a boiler ion exchange device. BACKGROUND

[0002] The steam boiler is heated to steam, the hot water or steam produced in the boiler can directly provide the required heat energy for industrial production and people's life, in the process of steam boiler treatment water, need to adapt to soft water, thereby avoiding the boiler pipeline is blocked, need to connect the boiler with soft water treatment device, the existing steam boiler soft water treatment device is ion exchange device, through the ion exchange resin and the impurity ion in hard water exchange reaction, get soft water, supply steam boiler.

[0003] In the prior art, the ion exchange device needs to use the regeneration liquid to regenerate the invalid ion exchange resin during ion exchange, and the regeneration liquid flows from top to bottom through the resin layer during countercurrent regeneration of the ion exchange resin, and is gradually replaced, the regeneration rate is high, but the regeneration liquid in the water inlet space of the upper part of the resin layer is not fully utilized, causing waste and reducing practicability. UTILITY MODEL CONTENT

[0004] In view of the above prior art, the utility model provides a boiler ion exchange device, which mainly solves the technical problems in the above background.

[0005] To achieve the above purpose, the technical scheme of the utility model embodiment is as follows:

[0006] A boiler ion exchange device, comprising a cylinder, an upper water cap layer is arranged at the top of the cylinder, a lower water cap layer is arranged at the bottom of the cylinder, a grease pressing layer and a resin layer are sequentially filled between the upper water cap layer and the lower water cap layer, an intermediate drain pipe is installed on the bottom surface of the resin layer, a collecting pipe is arranged on the side wall of the cylinder below the upper water cap layer, a one-way valve is installed on the liquid inlet of the collecting pipe, the one-way valve comprises a valve core and a push-pull rod, the push-pull rod is fixedly connected with the valve core from outside the collecting pipe, the valve core slides before and after the liquid inlet of the collecting pipe, an upper inlet and outlet pipe is arranged on the top of the cylinder, and a lower inlet and outlet pipe is arranged on the bottom of the cylinder.

[0007] Preferably, a sealing ring is arranged in the perforation of the push-pull rod and the collecting pipe.

[0008] Preferably, a water inlet pipe and a backwashing pipe are connected to the lower inlet and outlet pipe.

[0009] Preferably, a support seat is installed on the side wall of the collecting pipe below the push-pull rod, and a micro-cylinder for driving the push-pull rod is installed on the support seat.

[0010] Preferably, the resin layer corresponds to the outer part of the barrel is provided with resin inlet and outlet.

[0011] Preferably, the first perforated plate is fixedly installed below the lower water cap layer, the second perforated plate is tightly installed at the bottom of the first perforated plate, the rotating shaft is fixedly connected to the bottom of the second perforated plate, the rotating shaft penetrates through the bottom of the barrel and is connected with the motor, the motor is fixedly installed at the bottom of the barrel, and the through holes on the second perforated plate are aligned or staggered with the through holes on the first perforated plate through rotation, so that the flow of liquid through the second perforated plate is controlled.

[0012] Preferably, the intermediate drain pipe is installed between the first perforated plate and the lower water cap layer.

[0013] The beneficial effects of the utility model lie in:

[0014] (1) after the regeneration of the resin layer is completed, the effective regenerated liquid located above the resin layer is recycled by setting the collecting pipe below the upper water cap layer, and the regenerated liquid after recycling can be used for the next resin regeneration, thereby saving resources and improving the practicability of the device.

[0015] (2) the one-way valve is arranged at the liquid inlet of the collecting pipe, the valve core is pulled back into the collecting pipe through the push-pull rod, the collecting pipe is closed, and when backwashing, the resin cannot run out of the barrel through the collecting pipe, thereby improving the periodic water production of the device. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure schematic view of an ion exchange device for a boiler in the embodiment 1 of the application;

[0017] Figure 2 It is a side view structure schematic view of an ion exchange device for a boiler in the embodiment of the application;

[0018] Figure 3 It is Figure 1 It is an enlarged structure schematic view of part A in the middle;

[0019] Figure 4 It is a structure schematic view of an ion exchange device for a boiler in the embodiment 2 of the application;

[0020] Figure 5 It is a structure schematic view of the alignment of the through holes of the first perforated plate and the second perforated plate in the embodiment 2 of the application;

[0021] Figure 6 It is a structure schematic view of the stagger of the through holes of the first perforated plate and the second perforated plate in the embodiment 2 of the application;

[0022] Explanation of reference numerals:

[0023] 1, cylinder; 2, upper water cap layer; 3, lower water cap layer; 4, grease pressing layer; 5, resin layer; 6, intermediate drain pipe; 7, collecting pipe; 8, valve core; 9, push-pull rod; 10, upper inlet and outlet pipe; 11, lower inlet and outlet pipe; 12, water inlet pipe; 13, backwashing pipe; 14, support seat; 15, micro-cylinder; 16, resin inlet and outlet; 17, first porous plate; 18, second porous plate; 19, rotating shaft; 20, motor. DETAILED DESCRIPTION

[0024] The technical scheme of the utility model is further described in detail below in combination with the drawings and specific embodiments. Unless otherwise defined, all technical and scientific terms used herein have the same meanings as commonly understood by those skilled in the art to which the utility model belongs. The terms used in the specification of the utility model are only for the purpose of describing specific embodiments and are not intended to limit the utility model. In the following description, the expression "some embodiments" describes a subset of all possible embodiments, but it should be understood that "some embodiments" can be the same subset or different subsets of all possible embodiments and can be combined with each other without conflict.

[0025] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there can be an intervening element. The terms "vertical", "horizontal", "inner", "outer", "left", "right", and similar expressions used herein are for the purpose of illustration only and are not intended to be the only implementation.

[0026] Embodiment 1

[0027] Please refer to the drawings Figures 1-3 The utility model provides a kind of ion exchange device for boiler, including cylinder 1, upper water cap layer 2 is equipped in the top of cylinder 1, lower water cap layer 3 is equipped in the bottom of cylinder 1, upper water cap layer 2 and lower water cap layer 3 are filled with grease pressing layer 4 and resin layer 5 in sequence, intermediate drain pipe 6 is installed in the bottom layer of resin layer 5, collecting pipe 7 is equipped in the side wall of cylinder 1 below upper water cap layer 2, one-way valve is installed in the liquid inlet of collecting pipe 7, one-way valve includes valve core 8 and push-pull rod 9, push-pull rod 9 is fixedly connected from the outside of collecting pipe 7 with valve core 8, valve core 8 slides before and after the liquid inlet of collecting pipe 7, the top of cylinder 1 is equipped with upper inlet and outlet pipe 10, and the bottom of cylinder 1 is equipped with lower inlet and outlet pipe 11.

[0028] When water is produced, i.e. hard water enters the cylinder 1 for softening, the intermediate drain pipe 6 is closed, the hard water enters from the lower inlet and outlet port at the bottom of the cylinder 1 and flows upward, the lower water cap layer 3 plays a buffering role on the hard water, avoiding the hard water flow rate being too large to disturb the resin layer 5, the effective resin and the failed resin are mixed together, reducing the ion exchange efficiency of the resin, at the same time, the function of uniform water distribution is achieved, improving the water production efficiency, the hard water passing through the lower water cap layer 3 and the resin layer 5 undergoes ion exchange to obtain soft water for use in the boiler, improving the resource utilization rate, the function of the pressure layer 4 is to uniformly press on the surface of the entire resin layer 5 when the hard water flows upward, preventing the resin from being disordered, after the hard water is softened, it continues to flow upward, the valve core 8 can be pulled back into the collecting pipe 7 by the push-pull rod 9, the collecting pipe 7 is closed to ensure that the soft water cannot be discharged outside the cylinder through the collecting pipe 7, the soft water is discharged outside the cylinder 1 through the upper water cap layer 2 and the upper inlet and outlet pipe 10, and the hard water softening is completed; after the ion exchanger runs for 10 cycles, it needs to be backwashed, soft water is introduced from the bottom of the cylinder 1, the backwashing water flow rate is gradually increased from small to large, preventing damage to the intermediate drain pipe, the suspended matter and broken resin in the resin layer 5 and the pressure layer 4 are removed by backwashing water, the water flow carries the suspended matter in the resin layer 5 and the pressure layer 4 out of the cylinder through the upper inlet and outlet pipe 10, at the same time, the resin is loosened, improving the utilization rate of the subsequent regeneration liquid, the valve core 8 is pulled back into the collecting pipe 7 by the push-pull rod 9, the collecting pipe 7 is closed to ensure that the resin cannot run out of the cylinder 1 through the collecting pipe 7 during backwashing, improving the periodic water production of the device; when the resin is regenerated, the regeneration liquid enters from the upper inlet and outlet port at the top of the cylinder 1, then passes through the upper water cap layer 2, the upper water cap layer 2 plays a buffering role on the regeneration liquid, the regeneration liquid can be uniformly distributed on the resin layer 5 through the upper water cap layer 2, so that the resin and the regeneration liquid are fully mixed, the regeneration liquid is fully utilized, after the regeneration liquid passes through the resin layer 5, the obtained regeneration liquid waste is discharged by opening the intermediate drain pipe, after the regeneration is completed, the effective regeneration liquid above the resin layer 5 is recovered by pushing the valve core 8 out of the collecting pipe 7 through the push-pull rod 9, the recovered regeneration liquid can be used for the next resin regeneration, saving resources and improving the practicality of the device.

[0029] Specifically, a sealing ring is arranged in the perforation of the push-pull rod 9 and the collecting pipe 7. By arranging a sealing ring in the perforation of the push-pull rod 9 and the collecting pipe 7, water leakage of the collecting pipe 7 is avoided, regeneration liquid is saved, and the practicality of the device is improved.

[0030] Specifically, the lower inlet and outlet pipe 11 is connected with a water inlet pipe 12 and a backwashing pipe 13. The water inlet pipe 12 and the backwashing pipe 13 are connected to the lower inlet and outlet pipe 11 through a three-way pipe, which reduces the opening of the cylinder 1 itself under the condition of ensuring all functions, which is conducive to the overall structural strength of the cylinder 1.

[0031] Specific, the collecting pipe 7 side wall is located below the push-pull rod 9 is installed with support seat 14, the support seat 14 is installed with the micro cylinder 15 of driving the push-pull rod 9. By connecting micro cylinder 15 at push-pull rod 9, realize automation control, reduce the labor intensity of workers, by setting up support seat 14, for micro cylinder 15 improves support, facilitates micro cylinder 15 work.

[0032] Specific, the resin layer 5 corresponds the resin inlet and outlet 16 is arranged outside the barrel 1. The broken resin flows out of the barrel 1 by backwashing, in order to ensure the water production efficiency of the device, the effective resin is passed into the barrel 1 through the resin inlet and outlet 16, and the resin can be discharged from the resin inlet and outlet 16, and then the new resin is replaced, which improves the service life of the device.

[0033] Embodiment 2

[0034] Please refer to the attached Figures 2-6 The difference between the embodiment and the embodiment 1 is that the first perforated plate 17 is fixedly installed below the drain cap layer 3, the second perforated plate 18 is tightly installed at the bottom of the first perforated plate 17, the rotating shaft 19 is fixedly connected at the bottom of the second perforated plate 18, the rotating shaft 19 penetrates through the bottom of the barrel 1 and is connected with the motor 20, the motor 20 is fixedly installed at the bottom of the barrel 1, the through holes on the second perforated plate 18 are aligned or staggered with the through holes on the first perforated plate 17 by rotating, so as to control the flow of liquid through the second perforated plate 18.

[0035] By setting the first perforated plate 17 and the second perforated plate 18 below the drain cap layer 3, the first perforated plate 17 is fixedly installed in the barrel 1, the second perforated plate 18 is connected together through the rotating shaft 19 and the motor 20, and the first perforated plate 17 and the second perforated plate 18 are tightly arranged, and the through holes on the second perforated plate 18 can be aligned or staggered with the through holes on the first perforated plate 17 by rotating, when the through holes on the second perforated plate 18 are aligned with the through holes on the first perforated plate 17, liquid can pass through, and the flow of liquid through the second perforated plate 18 can be controlled by controlling the position of the through holes on the second perforated plate 18 and the through holes on the first perforated plate 17, further controlling the flow of hard water or backwashing water, preventing the resin layer 5 from being disordered, when the through holes on the second perforated plate 18 are misaligned with the through holes on the first perforated plate 17, the regenerated liquid is intercepted above the second perforated plate 18, after regeneration is completed, the effective regenerated liquid above the resin layer 5 can be recycled through the collecting pipe 7, which improves the recycling amount of regenerated liquid, saves resources, and improves the practicability of the device.

[0036] Specifically, the intermediate drain pipe 6 is installed between the first porous plate 17 and the sewer cap layer 3. Since the intermediate drain device is buried in the resin layer 5, it will be subjected to strong bending stress during water production and regeneration, and then damaged, and the resin will be lost. In order to completely eliminate the stress, the intermediate drain device is placed between the first porous plate 17 and the sewer cap layer 3, and is completely separated from the resin layer 5, so that the resin is effectively guaranteed to be leak-free, the water treatment quality and efficiency are improved, and the maintenance frequency and cost are reduced.

[0037] The above is only a specific implementation manner of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. The protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. An ion exchange device for a boiler, characterized by, The utility model provides a water purifier, including the cylinder, the top of cylinder is equipped with upper water cap layer, the bottom of cylinder is equipped with lower water cap layer, upper water cap layer and lower water cap layer between fill in turn as grease and resin layer, the resin layer bottom level is installed with intermediate drain pipe, the lateral wall of cylinder is located below upper water cap layer and is equipped with collection pipe, the one-way valve is installed to the collection pipe liquid inlet, the one-way valve includes valve core and push-pull rod, push-pull rod passes from the collection pipe outside and is fixedly connected with valve core, valve core slides before and after the collection pipe liquid inlet, the top of cylinder is equipped with upper inlet and outlet pipe, the bottom of cylinder is equipped with lower inlet and outlet pipe.

2. A water treatment apparatus for a boiler according to claim 1, wherein The push-pull rod is provided with a sealing ring in the perforation of the collection pipe.

3. A water treatment apparatus for a boiler according to claim 1, wherein The lower inlet and outlet pipe is connected with a water inlet pipe and a backwashing pipe.

4. A water treatment apparatus for a boiler according to claim 1, wherein The lateral wall of the collection pipe is installed with a support seat below the push-pull rod, and the support seat is installed with a micro-cylinder for driving the push-pull rod.

5. A water treatment apparatus for a boiler according to claim 1, wherein The resin layer corresponds to the outside of the cylinder and is provided with a resin inlet and outlet.

6. A water treatment apparatus for a boiler according to claim 1, wherein A first perforated plate is fixedly installed below the lower water cap layer, a second perforated plate is tightly installed at the bottom of the first perforated plate, a rotating shaft is fixedly connected to the bottom of the second perforated plate, the rotating shaft passes through the bottom of the cylinder and is connected with a motor, the motor is fixedly installed at the bottom of the cylinder, the through holes on the second perforated plate are aligned or staggered with the through holes on the first perforated plate by rotating, so as to control the flow rate of liquid passing through the second perforated plate.

7. A water treatment apparatus according to claim 6, wherein the ion exchange device is a water softener. The intermediate drain pipe is installed between the first perforated plate and the lower water cap layer.

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