Pretreatment device for oily wastewater

Abstract

The utility model relates to the technical field of oil-containing wastewater pretreatment, and discloses an oil-containing wastewater pretreatment device which comprises a box body, a partition plate is fixedly connected to the bottom of the inner wall of the box body, a water outlet groove is formed in the bottom of the left side of the partition plate, and an isolation filtering mechanism is arranged on the left side in the box body. A second water outlet pipe is fixedly connected to the right side of the bottom of the front face of the box, and a pump body is fixedly connected to the front end of the second water outlet pipe. Oily wastewater is poured into a separation net, impurities in the oily wastewater are blocked through the separation net, the impurities are prevented from entering a pipeline in the next procedure and blocking the pipeline, when the separation net is cleaned, a pulling plate is pulled, the left end of a fixing rod is made to move away from a fixing hole in the right side of the separation net, then the separation net is pulled out of a clamping block, and the separation net is cleaned. And the separation net is cleaned, the separation net slides into the clamping block after cleaning is completed, then the pulling plate is loosened, the fixing rod can move leftwards through the elastic force of the spring and drive into the fixing hole, and the separation net is fixed into the clamping block.

Description

Technical Field

[0001] The utility model relates to the technical field of oily wastewater pretreatment, in particular to a device for pretreatment of oily wastewater. Background Art

[0002] A large amount of oily wastewater is discharged during production and daily life activities. If the oily wastewater is not recycled and treated and discharged directly, it will cause waste, pollute water bodies and affect the survival of aquatic organisms. If it is used for agricultural irrigation, it will block soil gaps, hinder the growth of crops, and have a great adverse impact on the ecological environment.

[0003] According to application number 201921381401.0, a pretreatment device for oily wastewater is characterized by including a shell, an inner brain and a base frame; the inner cavity includes an oil drainage tank, a dosing reaction tank, a mixing tank and an overflow tank: the oil drainage tank includes an oil inlet tank, an oil filter tank, an oil collecting tank and a buffer tank.

[0004] The device has a simple structure. It uses the density difference between oil and water to first remove most of the floating grease in the wastewater, and then removes the dissolved grease in the water through chemical reactions, making the subsequent wastewater treatment simpler, improving the treatment efficiency, simple operation and low cost. However, the first process of the device does not block the impurities in the oily wastewater, which will cause the impurities to flow into the next process through the pipeline with the oily wastewater, thereby causing the impurities to block the pipeline. Utility Model Content

[0005] The purpose of the utility model is to provide a pretreatment device for oily wastewater to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pretreatment device for oily wastewater, comprising a box body, a partition is fixedly connected to the bottom of the inner wall of the box body, a water outlet groove is opened at the bottom of the left side of the partition, an isolation and filtering mechanism is arranged on the left side of the box body, a stirring mechanism is arranged on the right side of the top of the box body, a second water outlet pipe is fixedly connected to the right side of the bottom of the front side of the box body, a pump body is fixedly connected to the front end of the second water outlet pipe, and a connecting pipe is fixedly connected to the output end of the pump body;

[0007] The isolation and filtering mechanism comprises an isolation component and a filtering component, wherein the isolation component is arranged on the left side of the box body, and the filtering component is arranged on the right bottom of the partition;

[0008] The isolation assembly includes a card block, which is symmetrically fixedly connected to the front and rear sides of the inner wall of the box near the top, a partition net is slidably connected to the card block, a connecting frame is fixedly connected to the right side of the card block, a guide rod is provided on the right side of the connecting frame, a pull plate is fixedly connected to the right end of the guide rod, a connecting plate is fixedly connected to the left end of the guide rod, a spring is symmetrically fixedly connected to the right side of the connecting plate, a fixing rod is fixedly connected to the left side of the connecting plate, and a fixing hole is opened at the top of the right side of the partition net corresponding to the left end of the fixing rod.

[0009] Preferably, the bottom of the box body is inclined and tilted upward, a shielding net is fixedly connected to the second water outlet pipe, and the back of the pump body is fixedly connected to the front of the box body.

[0010] Preferably, a hole matching the guide rod is opened on the right side of the connecting frame, and the guide rod passes through and is slidably connected in the hole, the right end of the spring is fixedly connected to the right side of the connecting frame, and a hole matching the fixed rod is opened on the right side of the block, and the surface of the fixed rod passes through and is slidably connected in the hole.

[0011] Preferably, the filter assembly includes a water tank, which is fixedly connected to the bottom right side of the partition, a first water outlet pipe is fixedly connected to the bottom right side of the water tank, a one-way valve is fixedly connected to the surface of the first water outlet pipe, a water inlet groove is provided on the left side of the water tank corresponding to the water outlet groove, and an oil-absorbing cotton net is provided on the top of the water tank.

[0012] Preferably, a groove matching the oil-absorbing cotton net is provided on the top of the water tank, and the oil-absorbing cotton net is slidably connected in the groove.

[0013] Preferably, the stirring mechanism includes a fixed plate, the fixed plate is fixedly connected to the right side of the top of the box body, a bearing is arranged on the top of the fixed plate, a stirring rod is fixedly connected to the inner ring of the bearing, a fixed sleeve is fixedly connected to the back of the top of the fixed plate, a motor is fixedly connected to the fixed sleeve, a first pulley is fixedly connected to the surface of the motor output shaft, a second pulley is fixedly connected to the top end of the stirring rod surface, and a belt is sleeved between the first pulley and the second pulley.

[0014] Preferably, a hole matching the outer ring of the bearing is opened on the top of the fixing plate, and the outer ring of the bearing is fixedly connected in the hole.

[0015] Compared with the prior art, the utility model provides a pretreatment device for oily wastewater, which has the following beneficial effects:

[0016] 1. The pretreatment device for oily wastewater pours the oily wastewater into the separation net through the isolation and filtering mechanism, and uses the separation net to block the impurities in the oily wastewater to prevent the impurities from entering the pipeline of the next process and blocking the pipeline. When cleaning the separation net, pull the pull plate to make the left end of the fixing rod move away from the fixing hole on the right side of the separation net, then pull the separation net out of the card block, clean the separation net, slide the separation net into the card block after cleaning, and then release the pull plate. The fixing rod will move to the left through the elastic force of the spring and drive into the fixing hole to fix the separation net in the card block.

[0017] 2. The pretreatment device for oily wastewater adds a certain amount of chemical agents to the wastewater through a stirring mechanism, and then starts the motor to rotate the first pulley, which rotates the second pulley through the cooperation of the belt, and the second pulley drives the stirring rod to rotate, so as to mix the wastewater and chemical agents in the box body and precipitate the particles in the wastewater. After mixing, the motor is stopped, and the particles in the wastewater in the box body are waited to settle to the bottom of the box body, and then the pump body is started to pump the wastewater out of the box body. The shielding net in the second outlet pipe can prevent the pump body from pumping out the particles. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of 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 labor:

[0019] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structural isolation component of the utility model;

[0021] Figure 3 It is an enlarged schematic diagram of the structural isolation component of the utility model;

[0022] Figure 4 This is a schematic diagram of the structural filtering assembly of the utility model;

[0023] Figure 5 This is a schematic diagram of the stirring mechanism of the utility model structure.

[0024] In the figure: 1. box body; 2. partition; 3. water outlet trough; 4. isolation and filtering mechanism; 41. isolation component; 411. block; 412. partition net; 413. connecting frame; 414. guide rod; 415. pull plate; 416. connecting plate; 417. spring; 418. fixing rod; 419. fixing hole; 42. filtering component; 421. water tank; 422. first water outlet pipe; 423. one-way valve; 424. water inlet trough; 425. oil-absorbing cotton net; 5. stirring mechanism; 51. fixing plate; 52. bearing; 53. stirring rod; 54. fixing sleeve; 55. motor; 56. first pulley; 57. second pulley; 58. belt; 6. second water outlet pipe; 7. pump body; 8. connecting pipe. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] The utility model provides the following technical solutions:

[0028] Embodiment 1

[0029] See also Figure 1-4 The utility model provides a technical solution: a pretreatment device for oily wastewater, comprising a box body 1, a partition 2 is fixedly connected to the bottom of the inner wall of the box body 1, a water outlet trough 3 is opened at the bottom of the left side of the partition 2, an isolation and filtering mechanism 4 is arranged on the left side of the box body 1, a stirring mechanism 5 is arranged on the right side of the top of the box body 1, a second water outlet pipe 6 is fixedly connected to the right side of the bottom of the front of the box body 1, a pump body 7 is fixedly connected to the front end of the second water outlet pipe 6, and a connecting pipe 8 is fixedly connected to the output end of the pump body 7;

[0030] The isolation and filtering mechanism 4 includes an isolation component 41 and a filtering component 42. The isolation component 41 is arranged on the left side of the box body 1, and the filtering component 42 is arranged on the right bottom of the partition 2.

[0031] The isolation component 41 includes a card block 411, which is symmetrically fixedly connected to the front and rear sides of the inner wall of the box body 1 near the top. A partition net 412 is slidably connected to the card block 411 up and down. A connecting frame 413 is fixedly connected to the right side of the card block 411. A guide rod 414 is provided on the right side of the connecting frame 413. A pull plate 415 is fixedly connected to the right end of the guide rod 414, and a connecting plate 416 is fixedly connected to the left end of the guide rod 414. A spring 417 is symmetrically fixedly connected to the front and rear sides of the right side of the connecting plate 416, and a fixing rod 418 is fixedly connected to the left side of the connecting plate 416. A fixing hole 419 is opened at the top of the right side of the partition net 412 corresponding to the left end of the fixing rod 418.

[0032] The bottom of the box body 1 is inclined and tilted upward. A shielding net is fixedly connected to the second water outlet pipe 6 , and the back of the pump body 7 is fixedly connected to the front of the box body 1 .

[0033] A hole matching the guide rod 414 is opened on the right side of the connecting frame 413, and the guide rod 414 passes through and is slidably connected in the hole. The right end of the spring 417 is fixedly connected to the right side of the connecting frame 413. A hole matching the fixing rod 418 is opened on the right side of the block 411, and the surface of the fixing rod 418 passes through and is slidably connected in the hole.

[0034] The filter assembly 42 includes a water tank 421, which is fixedly connected to the bottom right side of the partition 2. A first water outlet pipe 422 is fixedly connected to the bottom right side of the water tank 421. A one-way valve 423 is fixedly connected to the surface of the first water outlet pipe 422. A water inlet groove 424 is provided on the left side of the water tank 421 corresponding to the water outlet groove 3, and an oil-absorbing cotton net 425 is provided on the top of the water tank 421.

[0035] A groove matching the oil-absorbing cotton net 425 is formed on the top of the water tank 421, and the oil-absorbing cotton net 425 is slidably connected in the groove.

[0036] Embodiment 2

[0037] See also Figure 5 , and on the basis of the first embodiment, a stirring mechanism 5 is further obtained.

[0038] The stirring mechanism 5 includes a fixed plate 51, which is fixedly connected to the top right side of the box body 1. A bearing 52 is arranged on the top of the fixed plate 51, and a stirring rod 53 is fixedly connected to the inner ring of the bearing 52. A fixed sleeve 54 is fixedly connected to the top back of the fixed plate 51, and a motor 55 is fixedly connected to the fixed sleeve 54. A first pulley 56 is fixedly connected to the surface of the output shaft of the motor 55, and a second pulley 57 is fixedly connected to the top end of the surface of the stirring rod 53. A belt 58 is sleeved between the first pulley 56 and the second pulley 57.

[0039] A hole matching the outer ring of the bearing 52 is formed on the top of the fixing plate 51 , and the outer ring of the bearing 52 is fixedly connected in the hole.

[0040] In actual operation, when the device is used, the oily wastewater is poured into the separation net 412, and the separation net 412 is used to block the impurities in the oily wastewater to prevent the impurities from entering the pipeline of the next process and blocking the pipeline. When cleaning the separation net 412, the pull plate 415 is pulled to make the left end of the fixing rod 418 move away from the fixing hole 419 on the right side of the separation net 412, and then the separation net 412 is pulled out from the block 411, and the separation net 412 is cleaned. After the cleaning is completed, the separation net 412 is slid into the block 411. , and then release the pull plate 415, the fixing rod 418 will move to the left by the elastic force of the spring 417, and drive into the fixing hole 419, fixing the partition net 412 in the block 411, and the oily wastewater will flow into the water tank 421 through the water outlet groove 3 and the water inlet groove 424, and the oil-absorbing cotton net 425 in the water tank 421 will absorb the grease in the oily wastewater, and then flow into the space where the stirring rod 53 is located in the box body 1 through the first water outlet pipe 422. Since the surface of the first water outlet pipe 422 is provided with a one-way valve 423, the wastewater can only flow out but not in;

[0041] A certain amount of chemical agent is added to the wastewater, and the motor 55 is started to rotate the first pulley 56, and the first pulley 56 rotates the second pulley 57 through the cooperation of the belt 58, and the second pulley 57 drives the stirring rod 53 to rotate, so as to mix the wastewater and chemical agent in the box body 1 and precipitate the particles in the wastewater. After mixing, the motor 55 is stopped, and the particles in the wastewater in the box body 1 are waited to settle to the bottom of the box body 1, and then the pump body 7 is started to pump the wastewater out of the box body 1. The shielding net in the second water outlet pipe 6 can prevent the pump body 7 from pumping out the particles.

[0042] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A pretreatment device for oily wastewater, comprising a housing (1), characterized in that: A partition (2) is fixedly connected to the bottom of the inner wall of the box body (1); a water outlet groove (3) is provided at the bottom of the left side of the partition (2); an isolation and filtering mechanism (4) is provided on the left side of the box body (1); a stirring mechanism (5) is provided on the right side of the top of the box body (1); a second water outlet pipe (6) is fixedly connected to the right side of the bottom of the front side of the box body (1); a pump body (7) is fixedly connected to the front end of the second water outlet pipe (6); and a connecting pipe (8) is fixedly connected to the output end of the pump body (7); The isolation and filtering mechanism (4) comprises an isolation component (41) and a filtering component (42), wherein the isolation component (41) is arranged on the left side of the box body (1), and the filtering component (42) is arranged on the right bottom of the partition (2); The isolation assembly (41) comprises a card block (411), the card block (411) is symmetrically fixedly connected to the front and rear sides of the inner wall of the box body (1) near the top, a partition net (412) is slidably connected in the card block (411) up and down, a connecting frame (413) is fixedly connected to the right side of the card block (411), a guide rod (414) is arranged on the right side of the connecting frame (413), a pull plate (415) is fixedly connected to the right end of the guide rod (414), a connecting plate (416) is fixedly connected to the left end of the guide rod (414), a spring (417) is fixedly connected to the right side of the connecting plate (416) in a front-to-back symmetrical manner, a fixing rod (418) is fixedly connected to the left side of the connecting plate (416), and a fixing hole (419) is provided at the top of the right side of the partition net (412) corresponding to the left end of the fixing rod (418).

2. The oily wastewater pretreatment device according to claim 1, characterized in that: The bottom of the box body (1) is inclined and tilted upwards; a shielding net is fixedly connected to the inside of the second water outlet pipe (6); and the back of the pump body (7) is fixedly connected to the front of the box body (1).

3. The oily wastewater pretreatment device according to claim 1, characterized in that: The right side of the connecting frame (413) is provided with a hole matching the guide rod (414), and the guide rod (414) passes through and is slidably connected in the hole. The right end of the spring (417) is fixedly connected to the right side of the connecting frame (413). The right side of the clamping block (411) is provided with a hole matching the fixing rod (418), and the surface of the fixing rod (418) passes through and is slidably connected in the hole.

4. The oily wastewater pretreatment device according to claim 1, characterized in that: The filter assembly (42) comprises a water tank (421), the water tank (421) being fixedly connected to the right bottom of the partition (2), a first water outlet pipe (422) being fixedly connected to the right bottom of the water tank (421), a one-way valve (423) being fixedly connected to the surface of the first water outlet pipe (422), a water inlet groove (424) being provided on the left side of the water tank (421) corresponding to the water outlet groove (3), and an oil-absorbing cotton net (425) being provided on the top of the water tank (421).

5. The oily wastewater pretreatment device according to claim 4, characterized in that: The top of the water tank (421) is provided with a groove matching the oil-absorbing cotton net (425), and the oil-absorbing cotton net (425) is slidably connected in the groove.

6. The oily wastewater pretreatment device according to claim 1, characterized in that: The stirring mechanism (5) comprises a fixed plate (51), the fixed plate (51) is fixedly connected to the right side of the top of the box body (1), a bearing (52) is arranged on the top of the fixed plate (51), a stirring rod (53) is fixedly connected to the inner ring of the bearing (52), a fixed sleeve (54) is fixedly connected to the back of the top of the fixed plate (51), a motor (55) is fixedly connected inside the fixed sleeve (54), a first belt pulley (56) is fixedly connected to the surface of the output shaft of the motor (55), a second belt pulley (57) is fixedly connected to the top of the surface of the stirring rod (53), and a belt (58) is sleeved between the first belt pulley (56) and the second belt pulley (57).

7. The oily wastewater pretreatment device according to claim 6, characterized in that: A hole matching the outer ring of the bearing (52) is formed on the top of the fixing plate (51), and the outer ring of the bearing (52) is fixedly connected in the hole.

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