CN212789806U - Scraper device and scraper evaporator - Google Patents
Scraper device and scraper evaporator Download PDFInfo
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- CN212789806U CN212789806U CN202020936851.8U CN202020936851U CN212789806U CN 212789806 U CN212789806 U CN 212789806U CN 202020936851 U CN202020936851 U CN 202020936851U CN 212789806 U CN212789806 U CN 212789806U
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Abstract
The utility model provides a scraper device and a scraper evaporator, which comprises a connecting shaft, a plurality of supporting components fixedly connected with the connecting shaft, and a scraper component rotatably connected with the outer end of the supporting components; the supporting assemblies are arranged along the axial direction of the connecting shaft, and the adjacent supporting assemblies are distributed in a staggered mode; each support component comprises two groups of support rods which are symmetrically distributed along the connecting shaft; the outer end of each group of the supporting rods is rotatably connected with the scraper component; the scraper component is tightly attached to the inner wall of the evaporator cylinder. The utility model provides a scraper device because the scraper blade subassembly rotates with the bracing piece to be connected for the scraper blade subassembly can paste tightly with the inner wall of evaporimeter barrel all the time, thereby makes the material can form thinner liquid film on the inner wall of evaporimeter barrel on the one hand, and on the other hand avoids the material to adhere to on the inner wall of evaporimeter barrel, improves the evaporation efficiency of scraper blade evaporimeter, improves the cleaning nature of evaporimeter barrel inner wall.
Description
Technical Field
The utility model relates to a chemical industry equipment technical field particularly, relates to a scraper means and scraper blade evaporimeter.
Background
The scraper evaporator rotates in an evaporator cylinder through a scraper, materials are forced to form a film on the inner wall of the evaporator cylinder in the rotating process, and the film is evaporated and concentrated in the descending process.
In order to avoid the adhesion of materials on the inner wall of the evaporator cylinder in the operation process, a smaller gap is required between the scraper and the evaporator cylinder or the scraper is always tightly attached to the inner wall of the evaporator cylinder; however, due to the problem of processing precision, the roundness of the inner wall of the evaporator cylinder cannot be guaranteed to be completely consistent, so that the gap between the scraper and the inner wall of the evaporator cylinder cannot be always kept consistent in the rotation process; when the scraper blade rotates in-process through the great position of evaporimeter barrel internal diameter, because of the clearance increase between scraper blade and the evaporimeter barrel, the material is very easily adhered on the evaporimeter barrel inner wall of this internal diameter great department.
SUMMERY OF THE UTILITY MODEL
The utility model provides a problem be because of the scraper blade can't paste tightly with the inner wall of evaporimeter barrel all the time and lead to easily adhesion material on the inner wall of evaporimeter barrel.
In order to solve the problems, the utility model provides a scraper device, which comprises a connecting shaft, a plurality of supporting components fixedly connected with the connecting shaft, and a scraper component rotatably connected with the outer end of the supporting components; wherein the content of the first and second substances,
the supporting assemblies are arranged along the axial direction of the connecting shaft and are distributed in a staggered manner;
each support component comprises two groups of support rods which are symmetrically distributed along the connecting shaft;
the outer end of each group of the supporting rods is rotatably connected with the scraper component;
the scraper component is tightly attached to the inner wall of the evaporator cylinder.
Optionally, the scraper assembly is rotatably connected to the support assembly via a rotating shaft.
Optionally, the squeegee assembly includes a squeegee blade.
Optionally, the scraper is made of nylon.
Optionally, the scraper assembly further comprises a first fixing plate and a second fixing plate; the first fixing plate and the second fixing plate are respectively arranged on two sides of the scraper, and the first fixing plate and the second fixing plate are fixedly connected with the scraper.
Optionally, adjacent the support assembly is vertically distributed.
Optionally, each group of the support rods includes a first support rod located above and a second support rod located below and parallel to the first support rod; two ends of the rotating shaft are respectively connected with the first supporting rod and the second supporting rod in a rotating mode; the scraper component is fixedly connected with the rotating shaft.
Optionally, each group of the support rods further comprises a reinforcing connecting rod, one end of the reinforcing connecting rod is fixedly connected with the connecting shaft, and the other end of the reinforcing connecting rod is fixedly connected with the first support rod.
Another object of the present invention is to provide a scraper evaporator, which comprises the above scraper device, and further comprises the evaporator cylinder and a speed reduction motor;
the scraper device is arranged in the evaporator cylinder in a penetrating way;
the speed reducing motor is connected with the connecting shaft.
Optionally, a teflon coating is disposed on an inner wall of the evaporator cylinder.
Compared with the prior art, scraper blade device have following advantage:
the utility model provides a scraper device, because the scraper blade subassembly rotates with the bracing piece to be connected, when the scraper blade subassembly carries out circular motion in the evaporimeter barrel, under gear motor's drive, rely on the material to flow the reaction force of in-process to the scraper blade subassembly simultaneously, make the relative angle between scraper blade subassembly and the bracing piece can change along with the mobile condition of material in the evaporimeter barrel, make the scraper blade subassembly can paste tightly with the inner wall of evaporimeter barrel all the time, thereby make the material can form thinner liquid film on the inner wall of evaporimeter barrel on the one hand, on the other hand avoids the material to adhere on the inner wall of evaporimeter barrel, improve the evaporation efficiency of scraper blade evaporimeter, improve the cleanliness factor of evaporimeter barrel inner wall.
Drawings
Fig. 1 is a schematic structural diagram of a scraper device according to the present invention;
FIG. 2 is a sectional view taken along line A-A in FIG. 1;
fig. 3 is a top view of the scraper device according to the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at B;
fig. 5 is a schematic view of a scraper evaporator according to the present invention.
Description of reference numerals:
1-a connecting shaft; 2-a support rod; 21-a first support bar; 22-a second support bar; 23-a reinforcing connecting rod; 3-a squeegee assembly; 31-a scraper; 31-a first fixing plate; 33-a second fixation plate; 4-a rotating shaft; 5-evaporator cylinder; 6-speed reduction motor.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Furthermore, the terms "first" and "second" are used merely to simplify the description and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
In order to solve the problem that materials are easy to adhere to the inner wall of an evaporator cylinder body because a scraper cannot be attached to the inner wall of the evaporator cylinder body all the time in the conventional scraper evaporator, the utility model provides a scraper device, which is shown in figures 1-4 and comprises a connecting shaft 1, a plurality of supporting components fixedly connected with the connecting shaft 1 and a scraper component 3 rotatably connected to the outer end of the supporting components; the outer end of the supporting component specifically refers to one end, far away from the connecting shaft 1, of the supporting component; the connecting shaft 1 penetrates through the evaporator cylinder body 5 of the scraper evaporator, and the plurality of supporting assemblies are arranged along the axial direction of the connecting shaft 1 and fixedly connected with the connecting shaft 1, so that a plurality of layers of supporting assemblies are formed along the axial direction of the connecting shaft 1, and the adjacent supporting assemblies are distributed in a staggered manner, namely, the projections of the adjacent supporting assemblies on the connecting shaft 1 in the horizontal direction are not overlapped, so that the wall scraping effect is improved; specifically, each support component comprises two groups of support rods 2 which are symmetrically distributed along the connecting shaft 1; the outer end of each group of support rods 2 is rotatably connected with a scraper component 3, so that each support component is in a structure which is symmetrically distributed along the connecting shaft 1, and the stability of the scraper device in the operation process is improved; the distribution direction of the tube plate assembly 3 is vertical and is parallel to the connecting shaft 1; a gap can be arranged between the tube plate assembly 3 and the inner wall of the evaporator cylinder 5, and the tube plate assembly can also be tightly attached to the inner wall of the evaporator cylinder 5; in order to avoid the adhesion of dirt or material on the inner wall of the evaporator cylinder 5, the tube plate assembly 3 is preferably tightly attached to the inner wall of the evaporator cylinder 5.
In the working process of the scraper device, the upper end of the connecting shaft 1 is connected with the speed reducing motor 6 of the scraper evaporator, and the connecting shaft 1 is driven to rotate by the speed reducing motor 6; the plurality of support assemblies are fixedly connected with the connecting shaft 1, so that the connecting shaft 1 rotates and drives the plurality of support assemblies to perform circular motion in the evaporator cylinder 5; the number of the supporting components in each scraper device is determined according to the requirement; each support component comprises two groups of support rods 2 which are symmetrically distributed along the connecting shaft 1, one ends of the two groups of support rods 2 are fixedly connected with the connecting shaft 1, and the other ends, namely the ends far away from the connecting shaft 1, are connected with the scraper component 3, so that the support components drive the scraper component 3 to do circular motion while doing circular motion in the evaporator cylinder 5; scraper blade subassembly 3 makes the material that flows along the inner wall of evaporimeter barrel 5 form the film on the inner wall of evaporimeter barrel 5 on the one hand when carrying out circular motion for the material is concentrated by the politics, and on the other hand, under scraper blade subassembly 3's the effect of scraping the area, dirt or the material that partly adheres to on the inner wall of evaporimeter barrel 5 are scraped and are fallen to the bottom of evaporimeter barrel 5, avoid appearing the inner wall phenomenon of hanging the material.
The utility model provides a scraper means, because scraper blade subassembly 3 rotates with bracing piece 2 to be connected, when scraper blade subassembly 3 carries out circular motion in evaporimeter barrel 5, under gear motor 6's drive, rely on the material to flow the reaction force of in-process to scraper blade subassembly 3 simultaneously, make the relative angle between scraper blade subassembly 3 and the bracing piece 2 can change along with the mobile condition of material in evaporimeter barrel 5, make scraper blade subassembly 3 can paste tightly with the inner wall of evaporimeter barrel 5 all the time, thereby make the material can form thinner liquid film on the inner wall of evaporimeter barrel 5 on the one hand, on the other hand avoids the material to adhere to on the inner wall of evaporimeter barrel 5, improve the evaporation efficiency of scraper blade evaporimeter, improve the cleanliness factor of the 5 inner walls of evaporimeter barrel.
For realizing that scraper component and 3 are connected with the rotation of supporting component, the scraper means that this application provided still includes rotation axis 4, and scraper component 3 rotates with the supporting component through rotation axis 4 and is connected.
Specifically, the support component is provided with a mounting hole matched with the rotating shaft 4, the rotating shaft 4 is mounted in the mounting hole on the support component, and the scraper component 3 is connected with the rotating shaft 4.
The scraper means that this application provided compares with traditional machinery is fixed and movable, does not set up stop device to make the scraper means that this application provided in the use, can not have the motion inefficacy phenomenon, help prolonging scraper means's life.
The blade assembly 3 in this application comprises a blade 31, the blade 31 being connected to a rotating shaft 4; the scraper 31 can make the material form a film on the inner wall of the evaporator cylinder 5 while performing circular motion, and scrape off the dirt or the material on the inner wall of the evaporator cylinder 5, thereby improving the evaporation efficiency and the cleanness of the inner wall of the evaporator cylinder 5.
The shape and size of the scraper 31 are adapted to the inner wall of the evaporator cylinder 5, and the scraper 31 is preferably rectangular in this application.
In order to reduce the friction between the scraper 31 and the inner wall of the evaporator cylinder 5, reduce wear, and prolong the service life of the scraper 31, it is further preferable that the scraper 31 is made of nylon.
In order to improve the strength of the scraper component 3, the scraper component 3 further comprises a first fixing plate 32 and a second fixing plate 33; the first fixing plate 32 and the second fixing plate 33 are respectively disposed at two sides of the scraper 31, and both the first fixing plate 32 and the second fixing plate 33 are fixedly connected to the scraper 31.
In order to improve the structural stability of the scraper device and strengthen the mechanical structural strength, the first fixing plate 32 and the second fixing plate 33 are preferably connected with the rotating shaft 4; the first fixing plate 32 and the second fixing plate 33 are preferably made of a high-strength metal plate such as a stainless steel plate.
In addition, in order to ensure the stability of the scraper device and simplify the structure of the scraper device, the adjacent support assemblies in the scraper device are preferably vertically distributed, namely the included angle between the projections of the adjacent support assemblies in the horizontal direction is 90 degrees.
Through distributing adjacent supporting component perpendicularly, be favorable to scraper means atress equilibrium in the working process, improve the equilibrium of scraper means operation.
The adjacent support rods 2 in the scraper device can be in the same structure or different structures; in the application, the supporting rods 2 in each group are preferably of the same structure; each group of support rods 2 comprises at least one support rod distributed along the horizontal direction; in order to improve the structural stability of the scraper device, each group of support rods 2 preferably comprises a first support rod 21 positioned above and a second support rod 22 positioned below and parallel to the first support rod 21; one ends of the first support rod 21 and the second support rod 22 are fixedly connected with the connecting shaft 1, and the other ends of the first support rod and the second support rod are rotatably connected with the scraper component 3; in the present application, preferably, both ends of the rotating shaft 4 are respectively rotatably connected to the first support rod 21 and the second support rod 22; the scraper assembly 3 is fixedly connected with the rotating shaft 4.
For further improving scraper means's structural stability, every group bracing piece 2 still includes strengthening connecting rod 23 in this application, this strengthening connecting rod 23's one end and connecting axle 1 fixed connection, the other end and first bracing piece 21 fixed connection to make strengthening connecting rod 23, first bracing piece 21 in every group bracing piece 2 all constitute a triangle-shaped structure jointly with connecting axle 1, improve the stability of structure.
Another object of the present invention is to provide a scraper evaporator, as shown in fig. 5, which includes the above scraper device, further includes an evaporator cylinder 5 and a speed reduction motor 6; the scraper device is arranged in the evaporator cylinder 5 in a penetrating way, and the speed reducing motor 6 is arranged on the evaporator cylinder 5 and is connected with the connecting shaft 1.
In the operation process of the scraper evaporator, the connecting shaft 1 is driven to rotate through the speed reducing motor 6, and then the scraper blade assembly 3 is driven to perform circular motion in the evaporator cylinder 5, so that materials form a film on the inner wall of the evaporator cylinder 5, and evaporation and concentration of the materials are promoted.
The utility model provides a scraper blade evaporimeter, because scraper blade subassembly 3 among the scraper blade device is connected with the rotation of bracing piece 2, when scraper blade subassembly 3 carries out circular motion in evaporimeter barrel 5, under gear motor 6's drive, rely on the material to the reaction force of scraper blade subassembly 3 among the flow process simultaneously, make the relative angle between scraper blade subassembly 3 and the bracing piece 2 can change along with the mobile condition of material in evaporimeter barrel 5, make scraper blade subassembly 3 can paste tightly with the inner wall of evaporimeter barrel 5 all the time, thereby make the material can form thinner liquid film on the inner wall of evaporimeter barrel 5 on the one hand, on the other hand avoids the material to adhere to on the inner wall of evaporimeter barrel 5, improve scraper blade evaporimeter's evaporation efficiency.
In order to improve the evaporation effect, the inner wall of the barrel 5 of the evaporator is preferably provided with a Teflon coating.
Through spraying teflon on the inner wall of evaporimeter barrel 5, based on almost all the material all with the characteristics of teflon membrane bonding for the inner wall of evaporimeter barrel 5 who sprays teflon has non-adhesion performance, thereby can avoid the material to adhere on the inner wall of evaporimeter barrel 5.
The Teflon-based coating film has excellent heat resistance and low temperature resistance, can resist the temperature of 300 ℃ in a short time, can be continuously used at the temperature of 240-260 ℃, has obvious thermal stability, can work at a freezing temperature without embrittlement, and does not melt at a high temperature, so that the high temperature resistance of the evaporator cylinder body 5 is improved through the Teflon coating.
The teflon coating film has a low friction coefficient, and the friction coefficient changes when the film slides under load, but the value of the friction coefficient only changes between 0.05 and 0.15, so that the sliding property between the scraper device 3 and the inner wall of the evaporator cylinder 5 can be improved through the teflon coating.
Based on the excellent moisture resistance of the Teflon coating film, the surface of the Teflon coating film is not stained with water and oil, and the Teflon coating film is not easy to be stained with solution during production operation, if a small amount of dirt is adhered, the Teflon coating film can be removed by simply wiping; the machine has short stop time, saves working hours and can improve the working efficiency.
Based on the excellent wear resistance of Teflon, the inner wall of the evaporator cylinder 5 has excellent wear resistance under high load; under a certain load, the wear-resistant and non-adhesive dual-purpose wear-resistant rubber belt has the advantages of wear resistance and non-adhesion.
Based on the excellent corrosion resistance of the Teflon, the Teflon is hardly corroded by chemicals, the inner wall of the evaporator cylinder 5 can be protected from any kind of chemical corrosion, and the application range of the scraper evaporator provided by the application is expanded.
Because the Teflon has the characteristics, the scraper evaporator provided by the application has longer service life; simultaneously, based on this characteristic of the lower coefficient of friction of teflon, make the scraper means who sets up in evaporimeter barrel 5 under the low-speed circumstances of rotating, combine the material to flow the in-process to scraper blade subassembly 3's reaction force for scraper blade subassembly 3 can closely laminate the inner tube wall of evaporimeter barrel 5, does not produce great resistance again simultaneously, thereby makes the scraper blade evaporimeter that this application provided on the basis that improves evaporation efficiency, still has the rotational speed low, the characteristic that heat transfer coefficient is little.
Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, and such changes and modifications will fall within the scope of the present invention.
Claims (10)
1. The scraper device is characterized by comprising a connecting shaft (1), a plurality of supporting components fixedly connected with the connecting shaft (1), and a scraper component (3) rotatably connected to the outer ends of the supporting components; wherein the content of the first and second substances,
the supporting assemblies are arranged along the axial direction of the connecting shaft (1), and the adjacent supporting assemblies are distributed in a staggered mode;
each support component comprises two groups of support rods (2) which are symmetrically distributed along the connecting shaft (1);
the outer end of each group of the support rods (2) is rotatably connected with the scraper component (3);
the scraper component (3) is tightly attached to the inner wall of the evaporator cylinder (5).
2. A scraper device as claimed in claim 1, characterized in that the scraper assembly (3) is rotatably connected to the support assembly by means of a rotary shaft (4).
3. A scraper arrangement according to claim 2, characterized in that the scraper assembly (3) comprises a scraper (31).
4. A scraper device according to claim 3, characterized in that the material of the scraper (31) is nylon.
5. A squeegee assembly according to claim 3, wherein the squeegee assembly (3) further comprises a first fixing plate (32) and a second fixing plate (33); the first fixing plate (32) and the second fixing plate (33) are respectively arranged on two sides of the scraper (31), and the first fixing plate (32) and the second fixing plate (33) are fixedly connected with the scraper (31).
6. The squeegee apparatus of any one of claims 2-5, wherein adjacent support members are vertically spaced.
7. A scraper arrangement as claimed in claim 6, characterized in that each set of support bars (2) comprises a first support bar (21) located above and a second support bar (22) located below and arranged parallel to the first support bar (21); two ends of the rotating shaft (4) are respectively and rotatably connected with the first supporting rod (21) and the second supporting rod (22); the scraper component (3) is fixedly connected with the rotating shaft (4).
8. The scraper device as claimed in claim 7, characterized in that each set of said support bars (2) further comprises a reinforcing link (23), one end of said reinforcing link (23) being fixedly connected to said connecting shaft (1) and the other end being fixedly connected to said first support bar (21).
9. A scraper evaporator, characterized in that it comprises a scraper device as claimed in any one of claims 1 to 8, and further comprises said evaporator cylinder (5) and a reduction motor (6);
the scraper device is arranged in the evaporator cylinder (5) in a penetrating manner;
the speed reducing motor (6) is connected with the connecting shaft (1).
10. A scraper evaporator according to claim 9, characterized in that the evaporator cylinder (5) is provided with a teflon coating on its inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020936851.8U CN212789806U (en) | 2020-05-28 | 2020-05-28 | Scraper device and scraper evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020936851.8U CN212789806U (en) | 2020-05-28 | 2020-05-28 | Scraper device and scraper evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212789806U true CN212789806U (en) | 2021-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020936851.8U Active CN212789806U (en) | 2020-05-28 | 2020-05-28 | Scraper device and scraper evaporator |
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| Country | Link |
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| CN (1) | CN212789806U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113893565A (en) * | 2021-09-23 | 2022-01-07 | 河北华环化工设备制造有限公司 | Efficient corrosion-resistant self-cleaning type scraper evaporator |
-
2020
- 2020-05-28 CN CN202020936851.8U patent/CN212789806U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113893565A (en) * | 2021-09-23 | 2022-01-07 | 河北华环化工设备制造有限公司 | Efficient corrosion-resistant self-cleaning type scraper evaporator |
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Address after: 213331 Building 1, 8 zhongdali Road, Daibu Town, Liyang City, Changzhou City, Jiangsu Province Patentee after: Jiangsu Kejie Environmental Technology Co.,Ltd. Address before: 213331 Building 1, 8 zhongdali Road, Daibu Town, Liyang City, Changzhou City, Jiangsu Province Patentee before: CHANGZHOU KELV WATER TREATMENT TECHNOLOGY Co.,Ltd. |
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