Scale scraping mechanism for electrochemical equipment

Abstract

The utility model discloses a scale scraping mechanism for electrochemical equipment, which comprises a cylinder body, a top cover arranged on an opening of the cylinder body and a scale scraping component arranged in the cylinder body, a water inlet pipe and a water outlet pipe are arranged on the wall of the cylinder body, the cylinder body comprises an outer cylinder and an inner cylinder, a plurality of anode plates are arranged in the outer cylinder along the circumferential direction of the inner cylinder, the scale scraping assembly comprises an optical shaft penetrating through the top cover, a supporting plate connected with the upper end of the optical shaft, a scraper connected with the lower end of the optical shaft and a lifting assembly capable of driving the optical shaft to reciprocate up and down, and a plurality of avoiding grooves avoiding the anode plate are formed in the scraper; when moving up and down, the scrapers can scrape off scale layers on the inner surface of the outer cylinder and the outer surface of the inner cylinder, when moving up and down, the nylon scrapers can scrape off scale layers on the inner surface of the cathode outer cylinder and the outer surface of the cathode inner cylinder, and the polished shaft in reciprocating motion cannot scale and corrode, so that scale removal is thorough, and the service life of the polished shaft is prolonged. The water treatment capacity of the device can be improved, and the service life of the equipment can be prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electrochemical water treatment equipment, in particular to a scale scraping mechanism for electrochemical equipment. BACKGROUND

[0002] Chemical water treatment equipment is applied more and more widely in industrial water treatment, and is an important method for solving industrial water problems at present, which can not only save a lot of cost in cost, but also achieve the effect of clean environment, energy saving and emission reduction. The electrochemical water treatment equipment currently used usually installs cathode plates and anode plates in the reaction chamber of the equipment, and reduction reaction is generated on the surface of the cathode during the reaction process, and CaCO3, Mg(OH)2 and other insoluble substances are synthesized. These insoluble substances directly adhere to the cathode to form a scale layer, thereby playing a scale removal role.

[0003] If the scale formed on the cathode plate is not removed for a long time, the cathode plate will be passivated, thereby affecting the electrolysis efficiency and effect of the water treatment equipment in the later period. Some electrochemical water treatment equipment currently has an automatic scale removal function, and the scale on the surface of the cathode plate is scraped off through the movement (rotation or reciprocating movement) of the scraper. The scraper currently used in the electrochemical water treatment device is usually made of metal, which is self-scaling, resulting in incomplete scale removal and reduced processing capacity. Moreover, the metal scraper is easy to corrode, which reduces the service life of the equipment and increases the replacement cost.

[0004] The scale scraping mechanism of the electrochemical water treatment device in the prior art is usually a metal scraper, and the transmission optical shaft is made of 45 steel plated with chromium or stainless steel, which has the problems of scaling and corrosion. In addition, the power mechanism adopts a three-phase alternating current motor, which produces vibration, noise and other problems, and the operation is not stable. UTILITY MODEL CONTENTS

[0005] The utility model provides a scale scraping mechanism for electrochemical equipment, which can scrape off the scale layer on the inner surface of the cathode outer cylinder and the outer surface of the cathode inner cylinder when the nylon scraper moves up and down. The reciprocating optical shaft will not scale and corrode, thereby completely removing the scale, solving the technical problems of scale and corrosion of the scraper or optical shaft of the existing electrochemical water treatment equipment.

[0006] To solve the above technical problems, the utility model adopts the technical scheme of a scale scraping mechanism for electrochemical equipment, which comprises: a cylinder, a top cover arranged on the opening of the cylinder, and a scale scraping assembly arranged in the cylinder, wherein the cylinder wall is provided with a water inlet pipe and a water outlet pipe, the cylinder comprises an outer cylinder and an inner cylinder, a plurality of anode plates are mounted in the outer cylinder along the circumferential direction of the inner cylinder, the scale scraping assembly comprises an optical axis penetrating through the top cover, a support plate connected with the upper end of the optical axis, a scraper connected with the lower end of the optical axis, and a lifting assembly capable of driving the optical axis to move up and down, the scraper is provided with a plurality of avoidance grooves that avoid the anode plates, and the scraper can scrape off the scale layer on the inner surface of the outer cylinder and the outer surface of the inner cylinder when moving up and down.

[0007] In a preferred embodiment of the utility model, the inner surface of the outer cylinder and the outer surface of the inner cylinder are defined as cathode electrodes.

[0008] In a preferred embodiment of the utility model, the scraper is a nylon scraper with elasticity.

[0009] In a preferred embodiment of the utility model, the scraper is a circular ring structure, the inner ring of the scraper is in contact with the outer surface of the inner cylinder, and the outer ring of the scraper is in contact with the inner surface of the outer cylinder.

[0010] In a preferred embodiment of the utility model, the avoidance grooves of the scraper are provided with four groups and are in the form of circular arcs, and the width of the avoidance grooves is greater than the thickness of the anode plates.

[0011] In a preferred embodiment of the utility model, the periphery of the optical axis is wrapped with nylon material.

[0012] In a preferred embodiment of the utility model, the top cover is provided with a bearing seat, the optical axis penetrates through the top cover and is installed in the bearing seat and can move up and down in the bearing seat, a first sealing ring is arranged between the bearing seat and the optical axis, and a shaft seat gland is arranged on the bearing seat.

[0013] In a preferred embodiment of the utility model, the lifting assembly comprises a push rod support arranged on the top cover and an electric push rod arranged on the push rod support, the top end of the electric push rod is connected with the support plate, and the electric push rod is provided with up and down limit switches.

[0014] In a preferred embodiment of the utility model, the opening of the cylinder is provided with a flange, the flange is connected with the top cover and is provided with a second sealing ring therebetween.

[0015] In a preferred embodiment of the utility model, the bottom of the cylinder is provided with a slag discharge port.

[0016] The electric push rod can effectively and stably push the nylon scraper to scrape off the scale layer on the inner surface of the cathode outer cylinder and the outer surface of the cathode inner cylinder when the nylon scraper moves up and down, so that the scale removal purpose is achieved; the optical axis in reciprocating motion will not be scaled and corroded, so that the scale removal is complete, the water treatment capacity of the device is improved, and the service life of the equipment is also improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the present utility model, the drawings needed to be used in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present utility model, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0018] Figure 1 It is a side view of the scale scraping mechanism for the electrochemical equipment of the present utility model;

[0019] Figure 2 It is an appearance view of the scale scraping mechanism for the electrochemical equipment of the present utility model;

[0020] Figure 3 It is a schematic view of the optical axis installation in the present utility model;

[0021] Figure 4 It is a perspective view of the optical axis installation in the present utility model;

[0022] Figure 5 It is a plan view of the scraper in the present utility model. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the present utility model will be clearly and completely described as follows. Obviously, the described embodiments are only some embodiments of the present utility model, but not all the embodiments. Based on the embodiments in the present utility model, all the other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the present utility model.

[0024] Please refer to Figures 1-5 The present utility model discloses a scale scraping mechanism for electrochemical equipment, which comprises a cylinder body 1, a top cover 2 arranged on the opening of the cylinder body and a scale scraping assembly arranged in the cylinder body, a water inlet pipe 3 is arranged on the upper side of the cylinder body wall, and a water outlet pipe 4 is arranged on the lower side of the cylinder body wall, the cylinder body comprises an outer cylinder 101 and an inner cylinder 102, a plurality of anode plates 5 are arranged in the outer cylinder along the circumferential direction of the inner cylinder, and the inner surface of the outer cylinder and the outer surface of the inner cylinder are defined as cathode electrodes, so that the production cost is saved, the equipment weight is reduced, and the installation is simple and convenient to maintain.

[0025] Specific, the scraping assembly includes a light axis 6 through the top cover, the upper end of the light axis is connected with the support plate 7 through the nut, the lower end of the light axis is connected with the scraper 8 through the nut 18, and the lifting assembly capable of driving the light axis reciprocating motion up and down, wherein the scraper is a nylon scraper with elasticity, which can avoid the scraper from scaling while ensuring the strength, the scraper is a circular ring structure with a certain width, the inner ring of the scraper is in contact with the outer surface of the inner cylinder, the outer ring of the scraper is in contact with the inner surface of the outer cylinder, the scraper has a plurality of avoidance grooves 9 avoiding the anode plate, the avoidance groove of the scraper is a circular arc structure, in the embodiment, the avoidance groove is provided with four groups of structures which can be combined to form a circular ring, the width of the avoidance groove is greater than the thickness of the anode plate, the scraper can smoothly pass through the anode plate when moving up and down, and the knocking phenomenon does not occur, the circular ring structure of the scraper can play a good cutting effect on the scale layer on the cylinder wall, and the scale layer on the inner surface of the outer cylinder and the outer surface of the inner cylinder can be scraped off smoothly.

[0026] Specific, the light axis main body is a steel structure, which is wrapped with nylon material on the periphery, so as to avoid scaling of the light axis while ensuring the strength.

[0027] Specific, the lifting assembly includes a push rod support 10 arranged on the top cover and an electric push rod 11 arranged on the push rod support, the top end of the electric push rod is connected with the support plate, and the electric push rod is provided with up and down limit switches, so that additional configuration is not needed, and cost is saved.

[0028] Specific, the top cover is provided with a bearing seat 12, the light axis is installed in the bearing seat after penetrating the top cover and can move up and down in the bearing seat under the driving of the electric push rod, the bearing seat is provided with a shaft seat gland 13, a first sealing ring 14 is arranged between the bearing seat and the light axis for sealing to prevent water leakage, a flange 15 is installed at the opening of the cylinder body, the flange is connected with the top cover through fasteners and the second sealing ring 16 is installed between the flange and the top cover, wherein the first sealing ring and the second sealing ring are both four fluorine packing rings, in addition, a residue discharge port 17 is arranged at the bottom of the cylinder body, which facilitates the discharge of the scraped scale and residue.

[0029] The beneficial effects of the utility model are: the nylon scraper can scrape off the scale layer on the inner surface of the cathode outer cylinder and the outer surface of the cathode inner cylinder when moving up and down, the reciprocating light axis will not scale and corrode, so that the scale removal is complete, the water treatment capacity of the device can be improved, and the service life of the equipment can be improved.

[0030] The above only describes the embodiments of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion according to the content of the utility model specification, or direct or indirect application in other related technical fields, are all included in the patent protection range of the utility model.

Claims

1. A scale removal mechanism for an electrochemical apparatus, comprising: The cylinder, the top cover arranged on the opening of the cylinder and the scraping assembly arranged in the cylinder, the water inlet pipe and the water outlet pipe are arranged on the wall of the cylinder, characterized in that the cylinder comprises an outer cylinder and an inner cylinder, a plurality of anode plates are arranged in the outer cylinder along the circumferential direction of the inner cylinder, the scraping assembly comprises an optical axis penetrating the top cover, a support plate connected with the upper end of the optical axis, a scraper connected with the lower end of the optical axis and a lifting assembly capable of driving the optical axis to move up and down, the scraper is provided with a plurality of avoidance grooves avoiding the anode plates, and the scraper can scrape off the scale layer on the inner surface of the outer cylinder and the outer surface of the inner cylinder when moving up and down.

2. The scale removing mechanism for an electrochemical apparatus according to claim 1, wherein The inner surface of the outer cylinder and the outer surface of the inner cylinder are defined as cathode electrodes.

3. The scale removal mechanism for an electrochemical apparatus according to claim 1, wherein The scraper is a nylon scraper with elasticity.

4. The scale removal mechanism for an electrochemical apparatus according to claim 3, wherein The scraper is a circular ring structure, the inner ring of the scraper is in contact with the outer surface of the inner cylinder, and the outer ring of the scraper is in contact with the inner surface of the outer cylinder.

5. The scale removal mechanism for an electrochemical apparatus according to claim 1, wherein The avoidance grooves of the scraper are provided with four groups and are in circular arc structure, and the width of the avoidance grooves is greater than the thickness of the anode plates.

6. The scale removal mechanism for an electrochemical apparatus according to claim 1, wherein The periphery of the optical axis is wrapped with nylon material.

7. The scale removal mechanism for an electrochemical apparatus according to claim 1, wherein The top cover is provided with a bearing seat, the optical axis penetrates the top cover and is arranged in the bearing seat and can move up and down in the bearing seat, a first sealing ring is arranged between the bearing seat and the optical axis, and a shaft seat gland is arranged on the bearing seat.

8. The scale removal mechanism for an electrochemical apparatus according to claim 1, wherein The lifting assembly comprises a push rod support arranged on the top cover and an electric push rod arranged on the push rod support, the top end of the electric push rod is connected with the support plate, and the electric push rod is provided with up and down limit switches.

9. The scale removal mechanism for an electrochemical apparatus according to claim 1, wherein The opening of the cylinder is provided with a flange, the flange is connected with the top cover and a second sealing ring is arranged between the flange and the top cover.

10. The scale removal mechanism for an electrochemical apparatus according to claim 1, wherein The bottom of the cylinder is provided with a slag discharge port.

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