Novel hydrazine primary steaming kettle

Abstract

The utility model discloses a novel hydrazine primary distillation kettle, which comprises a primary distillation kettle, the primary distillation kettle comprises a lower primary distillation kettle and an upper primary distillation kettle, the lower primary distillation kettle and the upper primary distillation kettle are both arranged to be of an inner-outer double-layer structure, and the lower primary distillation kettle and the upper primary distillation kettle are detachably and fixedly connected through bolts. The inner wall of the bottom of the lower primary steaming kettle is rotationally connected with a scraping and washing assembly, the scraping and washing assembly comprises a scraping plate, the scraping plate is in matched and rotating contact with the bottom of the lower primary steaming kettle, the side wall of the lower primary steaming kettle and the inner wall of the upper primary steaming kettle, and a spraying and washing assembly is fixedly installed on the inner wall of the top of the upper primary steaming kettle in a matched mode; the spray-washing assembly comprises spray heads evenly distributed on the periphery of the inner wall of the upper primary steaming kettle, the spray-washing assembly and the scraping assembly are used in cooperation, and the effect that the side walls and the inner walls of the bottoms of the lower primary steaming kettle and the upper primary steaming kettle can be automatically cleaned in a comprehensive and dead-corner-free mode conveniently is achieved; and the interiors of the lower primary steaming kettle and the upper primary steaming kettle can be self-cleaned conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of hydrazine primary distillation kettle, in particular to a novel hydrazine primary distillation kettle. Background Art

[0002] A primary steamer is a device used for the initial concentration of hydrazine water. It plays an important role in the production process of hydrazine hydrate. Its main function is to heat and evaporate the solution containing hydrazine to separate the hydrazine gas and water vapor, and introduce the hydrazine gas into the receiving kettle for subsequent treatment. The design and operation of the primary steamer need to consider many factors, such as temperature, pressure, solution concentration, etc., to ensure the safety and efficiency of the production process. At the same time, in order to improve product quality and yield, the primary steamer also needs to be regularly maintained and cleaned. The current hydrazine primary steamer is generally an integrated structure. After the work of the hydrazine primary steamer is completed, the inside of the hydrazine primary steamer needs to be regularly maintained and cleaned. Due to the narrow opening on the top of the hydrazine primary steamer, it is difficult to thoroughly clean the inside of the hydrazine primary steamer in all directions, and the operation is inconvenient, and the self-cleaning and disassembly maintenance of the inside of the hydrazine primary steamer cannot be completed quickly. Utility Model Content

[0003] The utility model aims to provide a novel hydrazine primary steaming kettle to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A novel hydrazine primary steaming kettle comprises a primary steaming kettle, wherein the primary steaming kettle comprises a lower primary steaming kettle and an upper primary steaming kettle, wherein the lower primary steaming kettle and the upper primary steaming kettle are both arranged as inner and outer double-layer structures, wherein the lower primary steaming kettle and the upper primary steaming kettle are detachably fixedly connected by bolts, wherein the inner wall of the bottom of the lower primary steaming kettle is rotatably connected to a scraping and washing component, wherein the scraping and washing component comprises a scraper, wherein the scraper is in rotational contact with the bottom of the lower primary steaming kettle, the side wall of the lower primary steaming kettle and the inner wall of the upper primary steaming kettle, wherein the top inner wall of the upper primary steaming kettle is cooperated with and fixedly installed with a spraying and washing component, wherein the spraying and washing component comprises nozzles uniformly distributed around the inner wall of the upper primary steaming kettle.

[0006] In a preferred embodiment of the utility model, the outer wall of the bottom of the upper primary steaming kettle is welded to the flange ring, the inner wall of the top of the lower primary steaming kettle is welded to the docking ring, and the top and bottom of the docking ring are welded with insert rings.

[0007] In a preferred embodiment of the utility model, the flange ring and the docking ring are plug-in connected via an insert ring, a sealing gasket is installed between the flange ring and the docking ring, and the flange ring and the docking ring are detachably fixedly connected via bolts.

[0008] In a preferred embodiment of the present utility model, the scraping and washing assembly includes a rotating shaft, which is rotatably mounted on the inner wall of the lower primary steaming kettle through a bearing, a scraper is fixedly mounted on the outer wall of the rotating shaft, and a servo motor is fixedly mounted on the outer wall of the bottom of the lower primary steaming kettle.

[0009] In a preferred embodiment of the present utility model, the outer wall of the servo motor output shaft is rotatably connected to the outer wall of the rotating shaft via a pulley and a belt, the outer wall of the bottom of the lower primary steaming kettle is fixedly connected to a discharge pipe, and a valve is fixedly installed on the outer wall of the discharge pipe.

[0010] In a preferred embodiment of the utility model, lock buckles are evenly fixedly installed on the top side walls around the upper primary steaming kettle, and the lock buckles include a support plate, the inner wall of the support plate is rotatably connected to the locking plate through a rotating shaft, and a hand wheel is fixedly installed on the top outer wall of the rotating shaft.

[0011] In a preferred embodiment of the utility model, a top cover is plugged into the top of the upper primary steaming kettle, the locking plate is used to lock the top of the top cover, a handle is fixedly installed on the outer wall of the top of the top cover, and a pressure relief valve is installed on the outer wall of the top of the top cover.

[0012] In a preferred embodiment of the utility model, the spray washing assembly includes a spray pipe, which is fixedly installed on the outer wall of the top of the upper primary steaming kettle. The spray pipe is arranged in a flat shape, and the spray heads are evenly fixedly installed on the outer walls around the bottom of the spray pipe. The outer wall of the spray pipe is fixedly connected to a conduit, and the conduit is used to connect tap water.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention.

[0014] 1. By setting the spray cleaning component and the scraping cleaning component for use together, it is convenient to automatically clean the side walls and bottom inner walls of the lower primary steaming kettle and the upper primary steaming kettle without dead corners, and it is convenient to self-clean the interior of the lower primary steaming kettle and the upper primary steaming kettle;

[0015] 2. The upper primary steaming kettle and the lower primary steaming kettle are arranged as a split structure, so that when the internal maintenance and overhaul of the primary steaming kettle is carried out, the upper primary steaming kettle and the lower primary steaming kettle can be separated, so that the internal components of the upper primary steaming kettle and the lower primary steaming kettle can be overhauled conveniently. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0017] Figure 1 It is a schematic diagram of the main structure of a novel hydrazine primary steaming kettle;

[0018] Figure 2 It is a schematic diagram of the structure of a novel hydrazine primary distillation kettle viewed from above;

[0019] Figure 3 It is a schematic diagram of the top view of the internal structure of a hydrazine primary steaming kettle in a novel hydrazine primary steaming kettle;

[0020] Figure 4 This is a schematic diagram of the decomposition structure of a novel hydrazine in the primary distillation kettle;

[0021] Figure 5 This is a schematic diagram of the structure of a new type of spray assembly in a hydrazine primary steamer.

[0022] In the figure: lower primary steamer 100, docking ring 110, insert ring 111, upper primary steamer 120, flange ring 121, lock, support plate 130, rotating shaft 131, hand wheel 132, locking plate 133, top cover 140, handle 141, pressure relief valve 142, discharge pipe 160, valve 161, rotating shaft 200, scraper 210, servo motor 220, belt 230, spray pipe 300, spray head 310, and conduit 320. DETAILED DESCRIPTION

[0023] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0024] Example 1: Figure 1-3 , including a primary steaming kettle, the primary steaming kettle includes a lower primary steaming kettle 100 and an upper primary steaming kettle 120, the lower primary steaming kettle 100 and the upper primary steaming kettle 120 are both set as an inner and outer double-layer structure, the lower primary steaming kettle 100 and the upper primary steaming kettle 120 are detachably fixedly connected by bolts, the bottom inner wall of the lower primary steaming kettle 100 is rotatably connected to a scraping assembly, the scraping assembly includes a scraper 210, the scraper 210 is in rotational contact with the bottom of the lower primary steaming kettle 100, the side wall of the lower primary steaming kettle 100, and the inner wall of the upper primary steaming kettle 120, the top inner wall of the upper primary steaming kettle 120 is fixedly installed with a spraying assembly, and the spraying assembly includes nozzles 310 evenly distributed around the inner wall of the upper primary steaming kettle 120,

[0025] The specific usage scenario of this embodiment is: by setting the lower primary steaming kettle 100 and the upper primary steaming kettle 120 as an inner and outer double-layer structure, adding insulation material in the gap inside the double-layer structure to improve the insulation effect of the interior of the primary steaming kettle, and by setting a spray cleaning component and a scraping cleaning component for use together, it is convenient to automatically clean the side walls and bottom inner walls of the lower primary steaming kettle 100 and the upper primary steaming kettle 120 without dead ends, and it is convenient to self-clean the interior of the lower primary steaming kettle 100 and the upper primary steaming kettle 120.

[0026] Example 2: Figure 4 The outer wall of the bottom of the upper primary steaming kettle 120 is welded to the flange ring 121, and the inner wall of the top of the lower primary steaming kettle 100 is welded to the docking ring 110. Insert rings 111 are welded on the top and bottom of the docking ring 110. The flange ring 121 and the docking ring 110 are plug-in connected through the insert ring 111. A sealing gasket (not shown in the figure) is installed between the flange ring 121 and the docking ring 110. The flange ring 121 and the docking ring 110 are detachably fixedly connected by bolts.

[0027] The specific usage scenario of this embodiment is: by setting the upper primary steaming kettle 120 and the lower primary steaming kettle 100 as a split structure, it is convenient to separate the upper primary steaming kettle 120 and the lower primary steaming kettle 100 when performing maintenance and inspection on the interior of the primary steaming kettle, so as to facilitate the inspection and repair of the internal components of the upper primary steaming kettle 120 and the lower primary steaming kettle 100.

[0028] Example 3: Figure 2 and Figure 4 The scraping and washing assembly includes a rotating shaft 200, which is rotatably installed on the inner wall of the lower primary steaming kettle 100 through a bearing, a scraper 210 is fixedly installed on the outer wall of the rotating shaft 200, a servo motor 220 is fixedly installed on the outer wall of the bottom of the lower primary steaming kettle 100, the outer wall of the output shaft of the servo motor 220 is rotatably connected to the outer wall of the rotating shaft 200 through a pulley and a belt 230, the outer wall of the bottom of the lower primary steaming kettle 100 is fixedly connected to the discharge pipe 160, and the outer wall of the discharge pipe 160 is fixedly installed with a valve 161.

[0029] The specific usage scenario of this embodiment is: by turning on the servo motor 220, the servo motor 220 can drive the scraper 210 to rotate, so that the scraper 210 can scrape and clean the inner walls of the upper primary steaming kettle 120 and the lower primary steaming kettle 100.

[0030] Example 4: Figure 1The top side walls around the upper primary steaming kettle 120 are evenly fixed with lock buckles, and the lock buckles include a support plate 130. The inner wall of the support plate 130 is rotatably connected to a locking plate 133 through a rotating shaft 131. A hand wheel 132 is fixedly installed on the top outer wall of the rotating shaft 131. A top cover 140 is plugged and installed on the top of the upper primary steaming kettle 120. The locking plate 133 is used to lock the top of the top cover 140. A handle 141 is fixedly installed on the top outer wall of the top cover 140. A pressure relief valve 142 is installed on the top outer wall of the top cover 140.

[0031] The specific usage scenario of this embodiment is: by setting a lock buckle to make the top cover 140 and the top of the upper primary steaming kettle 120 cover more tightly when installing the top cover 140, by setting a handle 141 to facilitate taking the top cover 140, by holding the hand wheel 132 and rotating it, the hand wheel 132 drives the rotating shaft 131 and the locking plate 133 to rotate synchronously, so that the locking plate 133 can cover and release the top of the top cover 140 by rotation.

[0032] Example 5: Figure 5 The spray assembly includes a spray pipe 300, which is fixedly installed on the top outer wall of the upper primary steaming kettle 120. The spray pipe 300 is set to be flat, and the spray heads 310 are evenly fixedly installed on the outer walls around the bottom of the spray pipe 300. The outer wall of the spray pipe 300 is fixedly connected to the conduit 320, and the conduit 320 is used to connect tap water.

[0033] The specific usage scenario of this embodiment is: high-pressure tap water is delivered to a plurality of nozzles 310 through a spray pipe 300, so that the nozzles 310 can spray the inner walls of the upper primary steaming kettle 120 and the lower primary steaming kettle 100, and the servo motor 220 is simultaneously turned on, so that the servo motor 220 can drive the scraper 210 to rotate, so that the scraper 210 can scrape and wash the inner walls of the upper primary steaming kettle 120 and the lower primary steaming kettle 100, so that under the joint action of the high-pressure water flow and the scraper 210, the inner walls of the lower primary steaming kettle 100 and the upper primary steaming kettle 120 can be scraped and washed.

[0034] The working principle of the utility model is as follows: when the technicians in the field use the utility model, after the hydrazine gas and water vapor are introduced into the receiving kettle through the blind air device for the initial concentration, it is easy to cause certain pollution to the inner wall of the primary steaming kettle, and the primary steaming kettle needs to be maintained and cleaned to facilitate the next use. The high-pressure tap water after pressurization is input into the conduit 320, so that the tap water can enter the inside of the spray pipe 300, and then the high-pressure tap water is transported to a plurality of nozzles 310 through the spray pipe 300, so that the nozzles 310 can spray the inner walls of the upper primary steaming kettle 120 and the lower primary steaming kettle 100, and the servo motor 220 is synchronously turned on, so that the servo motor 2 20 can drive the scraper 210 to rotate, so that the scraper 210 can scrape and wash the inner walls of the upper primary steaming kettle 120 and the lower primary steaming kettle 100, so that under the joint action of the high-pressure water flow and the scraper 210, the inner walls of the lower primary steaming kettle 100 and the upper primary steaming kettle 120 can be scraped and washed, so as to facilitate the automatic completion of the upper primary steaming kettle 120 and the lower primary steaming kettle 100. The side walls and the bottom inner wall can maintain a good self-cleaning function. By opening the valve 161, the tap water used for cleaning in the lower primary steaming kettle 100 and the upper primary steaming kettle 120 and the dirt in the lower primary steaming kettle 100 and the upper primary steaming kettle 120 can be discharged together through the discharge pipe 160.

[0035] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A novel hydrazine primary steamer, comprising a primary steamer, wherein the primary steamer comprises a lower primary steamer (100) and an upper primary steamer (120), characterized in that: The lower primary steaming kettle (100) and the upper primary steaming kettle (120) are both configured as inner and outer double-layer structures. The lower primary steaming kettle (100) and the upper primary steaming kettle (120) are detachably fixedly connected by bolts. The inner wall of the bottom of the lower primary steaming kettle (100) is rotatably connected to a scraping and washing assembly. The scraping and washing assembly comprises a scraper (210). The scraper (210) cooperates with the bottom of the lower primary steaming kettle (100), the side wall of the lower primary steaming kettle (100), and the inner wall of the upper primary steaming kettle (120) to rotate in contact. The inner wall of the top of the upper primary steaming kettle (120) cooperates to fix and install a spraying and washing assembly. The spraying and washing assembly comprises spray heads (310) evenly distributed around the inner wall of the upper primary steaming kettle (120).

2. A novel hydrazine primary steamer according to claim 1, characterized in that: The bottom outer wall of the upper primary steaming kettle (120) is welded to a flange ring (121), and the top inner wall of the lower primary steaming kettle (100) is welded to a docking ring (110), and the top and bottom of the docking ring (110) are both welded with insert rings (111).

3. A novel hydrazine primary steamer according to claim 2, characterized in that: The flange ring (121) and the docking ring (110) are plug-connected via an insert ring (111), a sealing gasket is installed between the flange ring (121) and the docking ring (110), and the flange ring (121) and the docking ring (110) are detachably fixedly connected via bolts.

4. A novel hydrazine primary steamer according to claim 1, characterized in that: The scraping and washing assembly comprises a rotating shaft (200), the rotating shaft (200) being rotatably mounted on the inner wall of the lower primary steaming kettle (100) via a bearing, a scraper (210) being fixedly mounted on the outer wall of the rotating shaft (200), and a servo motor (220) being fixedly mounted on the outer wall of the bottom of the lower primary steaming kettle (100).

5. A novel hydrazine primary steamer according to claim 4, characterized in that: The outer wall of the output shaft of the servo motor (220) is rotatably connected to the outer wall of the rotating shaft (200) via a pulley and a belt (230); the outer wall of the bottom of the lower primary steaming kettle (100) is fixedly connected to a discharge pipe (160); and a valve (161) is fixedly installed on the outer wall of the discharge pipe (160).

6. A novel hydrazine primary steamer according to claim 1, characterized in that: Lock buckles are evenly fixedly installed on the top side walls around the upper primary steaming kettle (120), and the lock buckles include a support plate (130). The inner wall of the support plate (130) is rotatably connected to a locking plate (133) via a rotating shaft (131), and a hand wheel (132) is fixedly installed on the top outer wall of the rotating shaft (131).

7. A novel hydrazine primary steamer according to claim 6, characterized in that: A top cover (140) is plugged and installed on the top of the upper primary steaming kettle (120); the locking plate (133) is used to lock the top of the top cover (140); a handle (141) is fixedly installed on the top outer wall of the top cover (140); and a pressure relief valve (142) is installed on the top outer wall of the top cover (140).

8. A novel hydrazine primary steamer according to claim 1, characterized in that: The spray washing assembly comprises a spray pipe (300), wherein the spray pipe (300) is fixedly mounted on the outer wall of the top of the upper primary steaming kettle (120), the spray pipe (300) is arranged in a flat shape, spray heads (310) are evenly fixedly mounted on the outer walls around the bottom of the spray pipe (300), and the outer wall of the spray pipe (300) is fixedly connected to a conduit (320), and the conduit (320) is used to connect tap water.

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