Anti-scaling scraper structure for steam crystallizer

Abstract

The utility model discloses an anti-scaling scraper structure for a steam crystallizer. The anti-scaling scraper structure comprises an evaporation cavity, a rotating main shaft, a spiral blade and an adjustable spiral scraper assembly. By means of the mode, according to the anti-scaling scraper structure for the steam crystallizer, an existing spiral blade is improved, scraping and cleaning are conducted through the adjustable spiral scraper assembly, pushing and stirring are conducted through the spiral blade, hardened dirt on the inner wall of an evaporation cavity can be scraped away, and therefore the anti-scaling scraper structure for the steam crystallizer is convenient to use. The hardening problem of the inner wall of the cavity is effectively relieved, the feeding and stirring efficiency is further improved, and the service life of the whole product is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of steam crystallizers, in particular to an anti-scaling scraper structure for steam crystallizers. Background Art

[0002] Under the guidance of "carbon peak and carbon neutrality" and the call for the construction of "zero-waste cities", enterprises' hazardous waste "reduction" work is progressing rapidly. The evaporator, which is the core equipment for "reduction" work, is rapidly increasing in scope of application and number of installed units.

[0003] During long-term actual operation, we found that during the evaporation process of wastewater with high salt and organic matter content, there is a gap between the inherent blades in the chamber and the cavity of the evaporator, which causes the evaporator to easily become hardened on the directly heated surface, greatly affecting the heat exchange efficiency. In the long run, it is also prone to safety accidents. Utility Model Content

[0004] In order to solve the above technical problems, a technical solution adopted by the present invention is:

[0005] Provided is an anti-scaling scraper structure for a steam crystallizer, comprising: an evaporation chamber, a rotating main shaft, a spiral blade, and an adjustable spiral scraper assembly. The rotating main shaft is rotatably disposed in the evaporation chamber, the spiral blade is fixedly wound around the rotating main shaft, and a gap is provided between the outer edge of the spiral blade and the inner wall of the evaporation chamber. The adjustable spiral scraper assembly is provided on the spiral blade to clean the inner wall of the evaporation chamber.

[0006] The adjustable spiral scraper assembly includes a scraper mounting seat, a scraper mounting slot, a telescopic guide shaft, a telescopic guide slot, a spring, a sealing member, and a scraper unit, wherein the scraper mounting seat is arranged on the spiral blade, the scraper mounting seat is provided with the scraper mounting slot, a plurality of scraper units are movably arranged in the scraper mounting slot by the spring, and the outer edge thereof protrudes from the outer edge of the spiral blade and contacts the inner wall of the evaporation chamber, so that the scraper unit can adaptively adjust its own position according to the state of the inner wall of the evaporation chamber to remove the compacted matter on the cavity wall, a plurality of telescopic guide slots are provided on the inner side of the scraper unit, one end of the telescopic guide shaft is arranged in the scraper mounting slot, and the other end passes through the spring and extends into the telescopic guide slot to guide the telescopic movement of the scraper unit, and the sealing member that is in close contact with the scraper unit is provided at the opening outside the scraper mounting slot to prevent waste water and dirt from entering the scraper mounting slot.

[0007] In a preferred embodiment of the present invention, a rotary drive motor is connected to the rotating main shaft to drive it to rotate in the evaporation chamber.

[0008] In a preferred embodiment of the present invention, the shape of the adjustable spiral scraper assembly is the same as the spiral shape of the spiral blade.

[0009] In a preferred embodiment of the present invention, the inclination angle between the spiral blade and the rotating main shaft is 45°.

[0010] In a preferred embodiment of the present invention, a fixing buckle is provided on the outer end of the rotating main shaft.

[0011] In a preferred embodiment of the present invention, the scraper mounting seat is arranged on the back side of the spiral blade facing the discharge direction.

[0012] In a preferred embodiment of the present invention, the side wall of the scraper mounting seat is in close contact with the spiral blade, or is provided with an angle smaller than 30°.

[0013] In a preferred embodiment of the present invention, the scraper mounting seat and the spiral blade are an integrated structure or are connected and fixed by bolts.

[0014] In a preferred embodiment of the present invention, one scraper installation groove is correspondingly connected to one scraper unit.

[0015] In a preferred embodiment of the present invention, adjacent scraper units are in contact or movably connected.

[0016] The beneficial effects of the utility model are as follows: the existing spiral blades are improved, and the adjustable spiral scraper assembly is used to scrape and clean the material. The spiral blades are used for propulsion and stirring, which can scrape off the compacted dirt on the inner wall of the evaporation chamber, effectively alleviating the compaction problem of the inner wall of the chamber, further improving the efficiency of feeding and stirring, and extending the practical life of the entire product. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work. Among them:

[0018] Figure 1 This is a schematic diagram of the overall structure of a preferred embodiment of an anti-scaling scraper structure for a steam crystallizer of the utility model;

[0019] Figure 2 This is a structural schematic diagram of a preferred embodiment of an anti-scaling scraper structure for a steam crystallizer of the utility model;

[0020] Figure 3 The utility model is a partial structural diagram of a preferred embodiment of an anti-scaling scraper structure for a steam crystallizer. DETAILED DESCRIPTION

[0021] The following is a clear and complete description of the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figure 1-3 , the embodiments of the present utility model include:

[0023] An anti-scaling scraper structure for a steam crystallizer comprises: an evaporation chamber 1, a rotating main shaft 2, spiral blades 3, and an adjustable spiral scraper assembly 4.

[0024] The rotating main shaft can be rotatably set in the evaporation chamber, the spiral blade is fixedly wound around the rotating main shaft, and a gap is set between the outer edge of the spiral blade and the inside of the evaporation chamber for stirring and feeding. The adjustable spiral scraper assembly is set on the spiral blade to clean the inner wall of the evaporation chamber.

[0025] Further preferably, a rotary drive motor is connected to the rotating main shaft to drive it to rotate in the evaporation chamber.

[0026] Further preferably, the shape of the adjustable spiral scraper assembly is the same as the spiral shape of the spiral blade.

[0027] Further preferably, the inclination angle between the spiral blade and the rotating main shaft is 45°.

[0028] Further preferably, a fixing buckle is provided on the outer end of the rotating main shaft for connecting to an external driving device or instrument.

[0029] Further preferably, the spiral blade is provided with a through groove for material transportation.

[0030] The adjustable spiral scraper assembly 4 includes a scraper mounting seat 41 , a scraper mounting groove 42 , a telescopic guide shaft 43 , a telescopic guide groove 44 , a spring 45 , a seal 46 , and a scraper unit 47 .

[0031] The scraper mounting seat is arranged on the spiral blade, and one or more scraper mounting grooves are arranged on the scraper mounting seat. Multiple scraper units are arranged in the scraper mounting groove by spring movement, and their outer edges are in contact with the inner wall of the evaporation chamber, so that the scraper unit can adaptively adjust its own position according to the state of the inner wall of the evaporation chamber to remove the compacted matter on the cavity wall. Several telescopic guide grooves are provided on the inner side of the scraper unit, one end of the telescopic guide shaft is provided in the scraper mounting groove, and the other end passes through the spring and extends into the telescopic guide groove to guide the telescopic movement of the scraper unit. A seal that is tightly attached to the scraper unit is provided at the opening on the outside of the scraper mounting groove to prevent wastewater and dirt from entering the scraper mounting groove, thereby ensuring the adaptive movement of the scraper and extending the service life of the scraper.

[0032] Further preferably, the scraper mounting seat is arranged on the back side of the spiral blade facing the discharge (feeding) direction.

[0033] Further preferably, the side wall of the scraper mounting seat is in close contact with the spiral blade, or an angle (less than 30°) is set therebetween.

[0034] More preferably, the sealing member is a sealing strip.

[0035] Furthermore, preferably, adjacent scraper units can be in contact or movably connected to improve the flexibility of movement of each scraper unit while ensuring the scraping area. For example, the side walls of adjacent scraper units can be provided with interconnected grooves and ridges, so that the scraper units can move independently of each other.

[0036] The beneficial effects of the anti-scaling scraper structure for a steam crystallizer of the utility model are as follows: the existing spiral blades are improved, the scraping and cleaning are performed by an adjustable spiral scraper assembly, and the spiral blades are advanced and stirred, so that the compacted dirt on the inner wall of the evaporation chamber can be scraped off, effectively alleviating the compaction problem of the inner wall of the chamber, further improving the efficiency of feeding and stirring, and extending the practical life of the entire product.

[0037] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An anti-scaling scraper structure for a steam crystallizer, characterized in that: include: An evaporation chamber, a rotating main shaft, a spiral blade, and an adjustable spiral scraper assembly. The rotating main shaft is rotatably arranged in the evaporation chamber. The spiral blade is fixedly wound around the rotating main shaft, and a gap is provided between the outer edge of the spiral blade and the inner wall of the evaporation chamber. The adjustable spiral scraper assembly is provided on the spiral blade to clean the inner wall of the evaporation chamber. The adjustable spiral scraper assembly includes a scraper mounting seat, a scraper mounting slot, a telescopic guide shaft, a telescopic guide slot, a spring, a sealing member, and a scraper unit, wherein the scraper mounting seat is arranged on the spiral blade, the scraper mounting seat is provided with the scraper mounting slot, a plurality of scraper units are movably arranged in the scraper mounting slot by the spring, and the outer edge thereof protrudes from the outer edge of the spiral blade and contacts the inner wall of the evaporation chamber, so that the scraper unit can adaptively adjust its own position according to the state of the inner wall of the evaporation chamber to remove the compacted matter on the cavity wall, a plurality of telescopic guide slots are provided on the inner side of the scraper unit, one end of the telescopic guide shaft is arranged in the scraper mounting slot, and the other end passes through the spring and extends into the telescopic guide slot to guide the telescopic movement of the scraper unit, and the sealing member that is in close contact with the scraper unit is provided at the opening outside the scraper mounting slot to prevent waste water and dirt from entering the scraper mounting slot.

2. The anti-scaling scraper structure for a steam crystallizer according to claim 1, characterized in that: The rotating main shaft is connected to a rotating drive motor to drive it to rotate in the evaporation chamber.

3. The anti-scaling scraper structure for a steam crystallizer according to claim 1, characterized in that: The shape of the adjustable spiral scraper assembly is the same as the spiral shape of the spiral blade.

4. The anti-scaling scraper structure for a steam crystallizer according to claim 1, characterized in that: The inclination angle between the spiral blade and the rotating main shaft is 45°.

5. The anti-scaling scraper structure for a steam crystallizer according to claim 1, characterized in that: A fixing buckle is provided on the outer end of the rotating main shaft.

6. The anti-scaling scraper structure for a steam crystallizer according to claim 1, characterized in that: The scraper mounting seat is arranged on the back side of the spiral blade facing the discharging direction.

7. The anti-scaling scraper structure for a steam crystallizer according to claim 1, characterized in that: The side wall of the scraper mounting seat is in close contact with the spiral blade, or is provided with an angle less than 30°.

8. The anti-scaling scraper structure for a steam crystallizer according to claim 1, characterized in that: The scraper mounting seat and the spiral blade are an integrated structure or are connected and fixed by bolts.

9. The anti-scaling scraper structure for a steam crystallizer according to claim 1, characterized in that: One of the scraper installation grooves is correspondingly connected to one of the scraper units.

10. The anti-scaling scraper structure for a steam crystallizer according to claim 1, characterized in that: Adjacent scraper units are in contact or movably connected.

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