Process pump shell structure for petroleum and petrochemical engineering

Abstract

The utility model discloses a process pump shell structure for petroleum and petrochemical engineering, and relates to the technical field of petroleum and petrochemical engineering. The device comprises a bracket I, wherein a filtering mechanism and a cleaning mechanism are arranged on the bracket I; the filtering mechanism comprises a container assembly and a filter screen assembly, a first pipeline is arranged on the outer wall of the filtering barrel in a communicating mode, the filter screen assembly comprises a bottom plate fixedly connected to the bottom of the filtering barrel, a top plate is fixedly connected to the top of the spiral blade, and the cleaning mechanism comprises a transmission assembly and a scraping assembly. According to the process pump shell structure for petroleum and petrochemical engineering, by arranging the filtering mechanism, the problem that in the using process of an existing process pump shell structure for petroleum and petrochemical engineering, a process pump is prone to being damaged due to the fact that petroleum and petrochemical media contain a large number of impurities is solved; the efficiency of petroleum and petrochemical production is reduced, the cost is increased, and safety production is difficult to guarantee.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of petroleum and petrochemical industry, especially relates to a process pump shell structure for petroleum and petrochemical industry. BACKGROUND

[0002] In the field of petroleum and petrochemical industry, the process pump plays a vital role, and the requirements for flow and lift in the production process of petroleum and petrochemical industry are often relatively strict. While meeting the requirements of large flow and high lift, the traditional process pump may have problems of low efficiency and high energy consumption. In addition, the stability and reliability of the process pump are also key factors. Once the pump fails, it may cause production interruption and bring huge economic losses. With the continuous development of the petroleum and petrochemical industry, the performance requirements for the process pump are becoming higher and higher. Therefore, the process pump for petroleum and petrochemical industry urgently needs a shell structure.

[0003] However, the existing process pump shell structure for petroleum and petrochemical industry is prone to damage the process pump due to the presence of a large amount of impurities in the petroleum and petrochemical medium during use, which reduces the efficiency of petroleum and petrochemical production, increases the cost, and makes it difficult to ensure safe production. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide a process pump shell structure for petroleum and petrochemical industry, which solves the problem of damage to the process pump due to the presence of a large amount of impurities in the petroleum and petrochemical medium during use of the existing process pump shell structure for petroleum and petrochemical industry, which reduces the efficiency of petroleum and petrochemical production, increases the cost, and makes it difficult to ensure safe production.

[0005] To solve the above technical problems, the utility model is realized by the following technical scheme:

[0006] The utility model is a process pump shell structure for petroleum and petrochemical industry, which comprises a support one, a filtering mechanism and a cleaning mechanism are arranged on the support one;

[0007] A limiting groove one is formed in the top of the support one, a support two is connected to the inner wall of the limiting groove one in a sliding manner, a process pump is fixedly connected to the top of the support two, a plurality of telescopic rods are fixedly connected to the inner wall of the limiting groove one, the top of each of the telescopic rods is fixedly connected to the support two, a spring one is sleeved on the outer wall of each of the telescopic rods, the bottom of each of the spring ones is fixedly connected to the support one, and the top of each of the spring ones is fixedly connected to the support two.

[0008] Further, the filtering mechanism comprises a container assembly and a filter screen assembly, the container assembly comprises a filter barrel fixedly connected to the top of the support one, a barrel cover is fixedly connected to the top of the filter barrel, and an electric motor is fixedly connected to the top of the barrel cover.

[0009] Further, the outer wall of the filter bucket is provided with a pipeline one in communication, the pipeline one is provided with a valve one, the outer wall of the filter bucket is provided with a pipeline two in communication, the pipeline two is provided with a valve two.

[0010] Further, the filter screen assembly comprises a bottom plate fixedly connected to the bottom of the filter bucket, a pipeline three is arranged in communication at the central axis of the bottom plate, a filter barrel is fixedly connected to the top of the bottom plate, the top of the pipeline three is in communication with the filter barrel, a spiral blade is rotatably connected to the top of the bottom plate, the inner wall of the spiral blade is in contact with the filter barrel, and the outer wall of the spiral blade is in contact with the filter bucket.

[0011] Further, the top of the spiral blade is fixedly connected with a top plate, the outer wall of the top plate is in contact with the filter barrel, the top of the bucket cover is rotatably connected with a rotating shaft one, the bottom of the rotating shaft one rotatably penetrates the inner wall of the bucket cover and extends to the inner side, the output shaft of the motor is fixedly connected with the rotating shaft one through a shaft coupling, a gear one is fixedly connected to the outer wall of the rotating shaft one, a gear two is fixedly connected to the top of the top plate, and the gear one is engaged with the gear two.

[0012] Further, the cleaning mechanism comprises a transmission assembly and a scraping assembly, the transmission assembly comprises a rotating shaft two rotatably penetrating the central axis of the bucket cover, a belt pulley is fixedly connected to the outer wall of the rotating shaft one and the rotating shaft two, and a belt is sleeved on the two belt pulleys.

[0013] Further, a sealing ring is fixedly connected to the outer wall of the rotating shaft two, a limiting ring is fixedly connected to the inner wall of the gear two, the inner wall of the limiting ring is in contact with the sealing ring, the bottom of the rotating shaft two extends to the limiting ring, a semicircular block one is fixedly connected to the inner wall of the limiting ring, and the semicircular block one is located below the sealing ring.

[0014] Further, the scraping assembly comprises a limiting groove two formed in the bottom side extension of the rotating shaft two, a scraper is slidably connected to the inner wall of the limiting groove two, the right side of the scraper is in contact with the filter barrel, a semicircular block two is fixedly connected to the top of the scraper, the semicircular block two is matched with the semicircular block one, a spring two is fixedly connected to the left side of the scraper, and the left side of the spring two is fixedly connected with the inner wall of the limiting groove two.

[0015] The utility model has the following beneficial effects:

[0016] 1. By setting the filtering mechanism, when the device is placed in the corresponding position, open the valve one, add the petroleum petrochemical medium into the filter bucket through the pipeline one, then start the motor, the motor drives the rotating shaft one, when the rotating shaft one rotates, it will drive the top plate to rotate through the gear one and the gear two, when the top plate rotates, it will drive the helical blade to rotate, when the helical blade rotates, it will drive the petroleum petrochemical medium to move upward, in this process, the petroleum in the petroleum petrochemical medium will enter into the filter bucket through the filter hole on the filter bucket, and the filter residue in the petroleum petrochemical medium will move upward, at this time, open the pipeline two, the filter residue will be discharged through the valve two, the petroleum in the filter bucket will enter into the flow pump under the action of gravity through the bottom plate, at this time, start the flow pump, so as to avoid the damage of the flow pump caused by the large amount of impurities in the petroleum petrochemical medium, improve the efficiency of petroleum petrochemical production, reduce the cost, and ensure the safety production;

[0017] 2. By setting the cleaning mechanism, when the rotating shaft one rotates, it will drive the rotating shaft two to rotate through the two pulleys and the belt, when the rotating shaft two rotates, it will drive the scraper to rotate, and scrape the petroleum adhered to the inner wall of the filter bucket, when the scraper rotates and meets the semicircular block one, it will vibrate under the action of the semicircular block two and the spring two, and shake off the petroleum adhered to the scraper, the semicircular block one will rotate with the limiting ring, so that the vibration position is not fixed, preventing the occurrence of scraping dead angle, so that it can avoid the reduction of petroleum filtering efficiency caused by the adhesion of petroleum in the filter device, and greatly improve the filtering efficiency of petroleum, save the cost, and ensure the yield and quality.

[0018] Of course, any product implementing the present application does not necessarily need to achieve all the advantages described above. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creating laborious work.

[0020] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0021] Figure 2 It is a schematic diagram of the left side cross-sectional structure of the present application;

[0022] Figure 3 It is a schematic diagram of the filtering mechanism structure of the present application;

[0023] Figure 4 It is a schematic diagram of part of the structure of the present application;

[0024] Figure 5 For the utility model Figure 2 Amplification structure diagram of middle A;

[0025] Figure 6 For the utility model Figure 2 Amplification structure diagram of middle B;

[0026] Figure 7 For the utility model Figure 3 Amplification structure diagram of middle C.

[0027] In the drawings, the component list represented by each sign is as follows:

[0028] 1, support one;101, limit groove one;102, support two;103, flow pump;104, telescopic rod;105, spring one;2, filter mechanism;21, container assembly;211, filter bucket;212, bucket cover;213, motor;214, pipeline one;215, valve one;216, pipeline two;217, valve two;22, filter screen assembly;221, bottom plate;222, pipeline three;223, filter bucket;224, spiral blade;225, top plate;226, rotating shaft one;227, gear one;228, gear two;3, cleaning mechanism;31, transmission assembly;311, rotating shaft two;312, belt pulley;313, belt;314, sealing ring;315, limit ring;316, semicircular block one;32, scraping assembly;321, limit groove two;322, scraper;323, semicircular block two;324, spring two. Specific implementation

[0029] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0030] Please refer to Figures 1-7The utility model discloses a process pump shell structure for petroleum and petrifaction, including support one 1, be provided with filter mechanism 2 and cleaning mechanism 3 on support one 1, the top of support one 1 is opened and is limited to groove one 101, the inner wall of limited groove one 101 is slidably connected with support two 102, and the top of support two 102 is fixedly connected with process pump 103, and the inner wall of limited groove one 101 is fixedly connected with a plurality of telescopic links 104, and the top of a plurality of telescopic links 104 is fixedly connected with support two 102, and the outer wall of a plurality of telescopic links 104 is all set up with spring one 105, and the bottom of a plurality of spring one 105 is fixedly connected with support one 1, and the top of a plurality of spring one 105 is fixedly connected with support two 102, filter mechanism 2 includes container subassembly 21 and filter screen subassembly 22, container subassembly 21 includes the filter drum 211 of fixedly connected in support one 1 top, the top of filter drum 211 is fixedly connected with bucket cover 212, and the top of bucket cover 212 is fixedly connected with motor 213, and the outer wall of filter drum 211 is connected with and is provided with pipeline one 214, and pipeline one 214 is provided with valve one 215, and the outer wall of filter drum 211 is connected with and is provided with pipeline two 216, and pipeline two 216 is provided with valve two 217, filter screen subassembly 22 includes the bottom plate 221 of fixedly connected in filter drum 211 bottom, the central axis of bottom plate 221 is connected with and is provided with pipeline three 222, and the top of bottom plate 221 is fixedly connected with filter drum 223, and the top of pipeline three 222 is connected with filter drum 223, and the top of bottom plate 221 is rotatably connected with helical blade 224, and the inner wall of helical blade 224 is in contact with filter drum 223, and the outer wall of helical blade 224 is in contact with filter drum 211, and the top of helical blade 224 is fixedly connected with top plate 225, and the outer wall of top plate 225 is in contact with filter drum 211, and the top of bucket cover 212 is rotatably connected with the shaft one 226, and the bottom of shaft one 226 rotatably penetrates the inner wall of bucket cover 212 and extends to the inside, and the output shaft of motor 213 is fixedly connected with shaft one 226 through the shaft coupling, and the outer wall of shaft one 226 is fixedly connected with gear one 227, and the top of top plate 225 is fixedly connected with gear two 228, and gear one 227 is engaged with gear two 228, by setting filter mechanism 2, make avoid the situation because petroleum petrifaction medium contains a large number of impurities and lead to damage process pump, improve the efficiency of petroleum petrifaction production, reduce the cost, guarantee the safe production.

[0031] The cleaning mechanism 3 comprises a transmission assembly 31 and a scraping assembly 32. The transmission assembly 31 comprises a rotating shaft two 311 penetrating through the shaft of the bucket cover 212, and a belt pulley 312 is fixedly connected to the outer wall of the rotating shaft one 226 and the rotating shaft two 311. A belt 313 is sleeved on the two belt pulleys 312. A sealing ring 314 is fixedly connected to the outer wall of the rotating shaft two 311. A limiting ring 315 is fixedly connected to the inner wall of the gear two 228. The inner wall of the limiting ring 315 is in contact with the sealing ring 314. The bottom of the rotating shaft two 311 extends into the limiting ring 315. A semicircular block one 316 is fixedly connected to the inner wall of the limiting ring 315. The semicircular block one 316 is located below the sealing ring 314. The scraping assembly 32 comprises a limiting groove two 321 opened in the bottom extension of the rotating shaft two 311. A scraper 322 is slidingly connected to the inner wall of the limiting groove two 321. The right side of the scraper 322 is in contact with the filter bucket 223. A semicircular block two 323 is fixedly connected to the top of the scraper 322. The semicircular block two 323 is matched with the semicircular block one 316. A spring two 324 is fixedly connected to the left side of the scraper 322. The left side of the spring two 324 is fixedly connected to the inner wall of the limiting groove two 321. Through the cleaning mechanism 3, the situation that the oil filtration efficiency is reduced due to the adhesion of oil in the filter device can be avoided. Moreover, the oil filtration efficiency is greatly improved, the cost is saved, and the yield and quality are guaranteed.

[0032] One specific application of the embodiment is: when in use, first place the device in the corresponding position, open valve 215, add petroleum petrochemical medium into filter barrel 211 through pipeline 214, then start motor 213, motor 213 drives rotating shaft 226, when rotating shaft 226 rotates, it drives top plate 225 to rotate through gear 227 and gear 228, when top plate 225 rotates, it drives helical blade 224 to rotate, when helical blade 224 rotates, it drives petroleum petrochemical medium to move upward, in this process, petroleum in petroleum petrochemical medium enters into filter barrel 223 through filter hole on filter barrel 223, and filter residue in petroleum petrochemical medium moves upward, at this time, open pipeline 216, filter residue is discharged through valve 217, petroleum in filter barrel 223 enters into flow process pump 103 under the action of gravity through bottom plate 221, at this time, start flow process pump 103, the model of flow process pump 103 is LCZ, its working principle is that motor serves as power source, drives pump shaft to rotate through connecting components such as shaft coupling, and then makes impeller installed on pump shaft to rotate at high speed, which is the power basis for pump to transport petroleum, when impeller rotates, blade produces centrifugal force on petroleum, which makes petroleum be thrown out along the radial direction of impeller at high speed, due to continuous rotation of impeller, centrifugal force continuously acts, petroleum obtains energy in pump shell, pressure gradually increases, low pressure area is formed in the central region of impeller, under the action of external atmospheric pressure, petroleum is sucked into pump shell from the suction port of pump, which fills the low pressure area in the center of impeller, petroleum thrown out by impeller enters into the snail-shaped flow channel of pump shell, with the shape of flow channel gradually converging, the speed of petroleum decreases, pressure further increases, and finally petroleum is discharged from the discharge port of pump, so as to realize the transportation of petroleum, at this time, flow process pump 103 rotating at high speed produces intense vibration, vibration exerts pressure on a plurality of telescopic rods 104 and spring 105 through support 102, under the action of telescopic rods 104 and spring 105, the vibration of flow process pump 103 is reduced, which avoids the damage of equipment caused by vibration, adds filtered petroleum into flow process pump 103, which avoids the damage of flow process pump caused by a large amount of impurities in petroleum petrochemical medium, improves the efficiency of petroleum petrochemical production, reduces cost, and guarantees safe production, when rotating shaft 226 rotates, it drives rotating shaft 311 to rotate through two belt pulleys 312 and belt 313, when rotating shaft 311 rotates, it drives scraper 322 to rotate, which scrapes off petroleum adhered to the inner wall of filter barrel 223, when scraper 322 rotates, it vibrates under the action of semicircular block 316, spring 324 and semicircular block 323, which shakes off petroleum adhered to scraper 322, semicircular block 316 rotates with limiting ring 315, so that the position where vibration occurs is not fixed, which prevents dead angle from being scraped, avoids the reduction of petroleum filtering efficiency caused by petroleum adhered to the inside of filtering device, greatly improves the filtering efficiency of petroleum, saves cost, and guarantees yield and quality.

[0033] In the description of the present specification, the description referring to the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0034] The preferred embodiments of the present application disclosed above are only used to help explain the present application. The preferred embodiments do not describe all the details and limit the present application to the specific embodiments described. Obviously, according to the content of the present specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present application, so that the persons skilled in the art can well understand and utilize the present application. The present application is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A process pump housing structure for petroleum petrochemicals, comprising a bracket one (1), wherein a filtering mechanism (2) and a cleaning mechanism (3) are arranged on the bracket one (1), characterized in that ； The top of the support one (1) is provided with a limiting groove one (101), the inner wall of the limiting groove one (101) is slidably connected with a support two (102), the top of the support two (102) is fixedly connected with a flow pump (103), the inner wall of the limiting groove one (101) is fixedly connected with a plurality of telescopic rods (104), the top of the telescopic rods (104) is fixedly connected with the support two (102), the outer wall of the telescopic rods (104) is sleeved with a spring one (105), the bottom of the spring one (105) is fixedly connected with the support one (1), the top of the spring one (105) is fixedly connected with the support two (102).

2. A process pump housing structure for petroleum and petrochemicals as claimed in claim 1, wherein, The filter mechanism (2) comprises a container assembly (21) and a filter screen assembly (22), the container assembly (21) comprises a filter barrel (211) fixedly connected to the top of the support one (1), the top of the filter barrel (211) is fixedly connected with a barrel cover (212), the top of the barrel cover (212) is fixedly connected with a motor (213).

3. A process pump housing structure for petroleum petrochemicals as claimed in claim 2 wherein, The outer wall of the filter barrel (211) is communicated with a pipeline one (214), the pipeline one (214) is provided with a valve one (215), the outer wall of the filter barrel (211) is communicated with a pipeline two (216), the pipeline two (216) is provided with a valve two (217).

4. A process pump housing structure for petroleum and petrochemicals as claimed in claim 3, wherein, The filter screen assembly (22) comprises a bottom plate (221) fixedly connected to the bottom of the filter barrel (211), the middle axis of the bottom plate (221) is communicated with a pipeline three (222), the top of the bottom plate (221) is fixedly connected with a filter barrel (223), the top of the pipeline three (222) is communicated with the filter barrel (223), the top of the bottom plate (221) is rotatably connected with a spiral blade (224), the inner wall of the spiral blade (224) is in contact with the filter barrel (223), the outer wall of the spiral blade (224) is in contact with the filter barrel (211).

5. A process pump housing structure for petroleum petrochemicals as claimed in claim 4 wherein, The top of the spiral blade (224) is fixedly connected with a top plate (225), the outer wall of the top plate (225) is in contact with the filter barrel (211), the top of the barrel cover (212) is rotatably connected with a rotating shaft one (226), the bottom of the rotating shaft one (226) is rotatably penetrated through the inner wall of the barrel cover (212) and extends to the inside, the output shaft of the motor (213) is fixedly connected with the rotating shaft one (226) through a shaft coupling, the outer wall of the rotating shaft one (226) is fixedly connected with a gear one (227), the top of the top plate (225) is fixedly connected with a gear two (228), the gear one (227) is engaged with the gear two (228).

6. A process pump housing structure for petroleum petrochemicals as claimed in claim 5 wherein, The cleaning mechanism (3) comprises a transmission assembly (31) and a scraping assembly (32), the transmission assembly (31) comprises a rotating shaft two (311) rotatably penetrated through the middle axis of the barrel cover (212), the outer walls of the rotating shaft one (226) and the rotating shaft two (311) are fixedly connected with a belt pulley (312), the two belt pulleys (312) are sleeved with a belt (313).

7. A process pump housing structure for petroleum petrochemicals as claimed in claim 6 wherein, The outer wall of the rotating shaft two (311) is fixedly connected with a sealing ring (314), the inner wall of the gear two (228) is fixedly connected with a limiting ring (315), the inner wall of the limiting ring (315) is in contact with the sealing ring (314), the bottom of the rotating shaft two (311) extends into the limiting ring (315), the inner wall of the limiting ring (315) is fixedly connected with a semicircular block one (316), and the semicircular block one (316) is located below the sealing ring (314).

8. A process pump housing structure for petroleum petrochemicals as claimed in claim 7 wherein, The scraping assembly (32) comprises a limiting groove two (321) formed in the bottom side extension of the rotating shaft two (311), and the inner wall of the limiting groove two (321) is slidably connected with a scraper (322). The right side of the scraper (322) is in contact with the filter barrel (223), the top of the scraper (322) is fixedly connected with a semicircular block two (323), the semicircular block two (323) is matched with the semicircular block one (316), the left side of the scraper (322) is fixedly connected with a spring two (324), and the left side of the spring two (324) is fixedly connected with the inner wall of the limiting groove two (321).

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