Wastewater treatment device in trichlorosilane production

Abstract

The invention relates to the technical field of wastewater treatment, and discloses a wastewater treatment device in trichlorosilane production, which comprises a coarse sedimentation tank, two groups of support legs are fixedly connected to the bottom of the left side of the coarse sedimentation tank, protective shells are fixedly connected to the front and back sides of the coarse sedimentation tank, and threaded rods are arranged on the inner walls of the two groups of protective shells. The right sides of the two sets of threaded rods are fixedly connected with the protective shell, the left sides of the two sets of threaded rods penetrate through the protective shell, motors are arranged on the sides, close to the supporting legs, of the two sets of threaded rods, the two sets of motors are close to the coarse sedimentation tank and fixedly connected with the coarse sedimentation tank, and the output ends of the two sets of motors are fixedly connected with the two sets of threaded rods correspondingly. By arranging the inclined plate and utilizing the gradient of the inclined plate, impurities carried by water flow can be brought into the next separation mechanism through the flowability of the water flow, so that the remaining amount of the impurities on the inclined plate is reduced, and the workload of the pushing mechanism is greatly reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of wastewater treatment, and in particular to a wastewater treatment device in the production of trichlorosilane. Background Art

[0002] The trichlorosilane wastewater treatment device removes and purifies harmful substances in wastewater through a series of physical, chemical and mechanical processes. The device is reasonably designed and easy to operate. It can stably and efficiently treat wastewater and meet environmental protection requirements. The working principle of the wastewater treatment device is based on the comprehensive application of physical, chemical and mechanical principles. By adjusting the pH value of the wastewater, removing large suspended particles, concentration treatment, solid-liquid separation and clarification, the content of harmful substances in the wastewater is gradually reduced and the water quality indicators of the wastewater are improved. The entire treatment process has a high degree of automation, is easy and stable to operate, and can continuously and stably treat wastewater.

[0003] Patent application with application number CN200920297343.3 discloses a wastewater treatment device in the production of trichlorosilane, including a wastewater buffer tank, a neutralization reaction tank, a coarse sedimentation tank, a high-level concentration tank, a filter press and a filtrate clarification tank connected in sequence, a wastewater pump is connected between the coarse sedimentation tank and the high-level concentration tank, the high-level concentration tank is connected to the filter press through a dosing mixer, and the dosing mixer is connected to the auxiliary agent preparation tank through a dosing pump; the device adopts a belt filter press with a high degree of automation to handle the solid-liquid separation of trichlorosilane wastewater.

[0004] In the existing wastewater treatment process, the coarse sedimentation tank plays a vital role. After the wastewater passes through the coarse sedimentation tank, a large amount of impurities are often left in the tank. As time goes by, these impurities gradually settle and solidify at the bottom of the tank. However, when the water flow continues to flush, the solidified impurities will be dispersed. In this way, the dispersed impurities will flow into the next treatment agency, which undoubtedly brings great difficulties to the subsequent work of wastewater treatment and greatly increases the workload of subsequent treatment. Summary of the invention

[0005] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a wastewater treatment device in the production of trichlorosilane to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a wastewater treatment device in trichlorosilane production, comprising a coarse sedimentation tank, two groups of support legs are fixedly connected to the bottom of the left side of the coarse sedimentation tank, protective shells are fixedly connected to the front and back sides of the coarse sedimentation tank, threaded rods are arranged on the inner walls of the two groups of protective shells, the right sides of the two groups of threaded rods are fixedly connected to the protective shells, the left sides of the two groups of threaded rods penetrate the protective shells, the two groups of threaded rods are arranged on the side close to the support legs, the two groups of motors are fixedly connected to the coarse sedimentation tanks, the output ends of the two groups of motors are respectively fixedly connected to the two groups of threaded rods, and the bottom of the inner wall of the coarse sedimentation tank is fixedly connected to an inclined plate, and further comprising: The pushing mechanism comprises two groups of sliding rings, the inner walls of the two groups of sliding rings are respectively threadedly connected to the threaded rods, the two groups of sliding rings are respectively fixedly connected with connecting blocks on one side close to each other, the bottom of the middle end of the connecting block is fixedly connected with a fixing rod, and the right side of the fixing rod is fixedly connected with a contact plate; The detection mechanism includes an alarm, the alarm passes through the coarse sedimentation tank, and the outer wall is fixedly connected to the coarse sedimentation tank, a pull rod is fixedly connected to the bottom of the alarm, and a dustproof shell is fixedly connected to the left side of the inner wall of the coarse sedimentation tank; The separation mechanism includes a protective shell, the top of the protective shell is fixedly connected to the bottom of the left side of the coarse sedimentation tank, the inner wall of the protective shell is fixedly connected to a positioning frame, the inner wall of the positioning frame is rotatably connected to a filter plate through a rotating shaft, and a discharge port is opened on the left side of the protective shell.

[0007] According to the above technical solution, a push plate is fixedly connected to the bottom of the contact plate, baffles are fixedly connected to the left and right sides of the push plate, a scraper is fixedly connected to the bottom of the fixed rod, and both the push plate and the scraper are in contact with the top of the inclined plate.

[0008] According to the above technical solution, a first pressing block is fixedly connected to the bottom of the pulling rod, a first spring is fixedly connected to the inner wall of the first pressing block, and a pulling block is arranged at the bottom of the first pressing block.

[0009] According to the above technical solution, a moving block is fixedly connected to one side of the pulling block close to the first pressing block, the bottom of the moving block is fixedly connected to the first spring, the bottom of the pulling block is fixedly connected to a spring rod, the bottom of the spring rod is fixedly connected to a lower pressure plate, and the bottom of the lower pressure plate is in contact with the filter plate.

[0010] According to the above technical solution, a water outlet is provided on the left side of the protective shell away from the discharge port, and two groups of limit blocks are provided on the side of the protective shell away from the positioning frame, and a sliding rod is fixedly connected to the side where the two groups of limit blocks are close to each other.

[0011] According to the above technical solution, two groups of sliders are provided on the outer wall of the sliding rod, and bending rods are fixedly connected on the left and right sides of the two groups of sliders. Second springs are respectively provided on the sides where the two groups of bending rods are close to each other, and the upper and lower ends of the two groups of second springs are fixedly connected to the bending rods.

[0012] According to the above technical solution, a second pressing block is fixedly connected to the top of the sliding block located on the upper side, and a side of the second pressing block away from the sliding block is in contact with the lower pressing plate.

[0013] According to the above technical solution, the limit block and the second pressing block, the sliding rod, the bending rod, the second spring, and the sliding block are each provided in two groups, and are all symmetrically arranged with the middle of the protective shell as the center.

[0014] Compared with the prior art, the present invention provides a wastewater treatment device in trichlorosilane production, which has the following beneficial effects: 1. The present invention sets an inclined plate and utilizes the slope of the inclined plate to bring the impurities carried by the water flow into the next separation mechanism through the fluidity of the water flow itself. In this way, the amount of impurities left on the inclined plate is reduced, thereby greatly reducing the workload of the pushing mechanism.

[0015] 2. The present invention can collect fine impurities scattered by the push plate by arranging a scraper. A hole is opened at the upper end of the scraper. The impurities collected by the scraper will be brought to the front of the push plate by the water flow flowing out of the hole. In this way, the impurities not pushed by the push plate can be brought into the separation mechanism by the water flow.

[0016] 3. The present invention sets a lower pressure plate. When water flows into the separation mechanism, the water will fall on the filter plate, and the impurities will be blocked by the filter net. Therefore, the water will continue to impact the filter plate, and the impurities will be rushed to the surroundings by the impact force of the water, so that they fall on the lower pressure plate. When too much impurities accumulate on the lower pressure plate, the lower pressure plate will move downward, so that the weight of the impurities on the filter plate can be detected by the downward movement distance of the lower pressure plate.

[0017] 4. The present invention adjusts the rotation angle of the filter plate by setting a second spring. When there are small impurity particles on the filter plate, these particles are easily stuck in the filter holes. At this time, the second spring is continuously pressed, and the rebound force of the second spring itself causes the filter plate on the right to shake. With the help of this shaking force, the impurities stuck in the hole can be thrown out. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 It is a structural cross-sectional view of the present invention; Figure 3 It is a schematic diagram of the structure of the coarse sedimentation tank of the present invention; Figure 4 It is a structural schematic diagram of the driving mechanism of the present invention; Figure 5 It is a structural schematic diagram of the inclined plate of the present invention; Figure 6 It is a structural schematic diagram of the detection mechanism of the present invention; Figure 7 It is a schematic diagram of the structure of the dustproof shell of the present invention; Figure 8 It is a structural schematic diagram of the separation mechanism of the present invention; Fig. 9 It is a structural schematic diagram of the second pressing block of the present invention.

[0019] In the figure: 1, support leg; 2, coarse sedimentation tank; 3, protective shell; 4, motor; 5, threaded rod; 6, pushing mechanism; 601, connecting block; 602, fixing rod; 603, contact plate; 604, sliding ring; 605, push plate; 606, baffle; 607, scraper; 7, detection mechanism; 701, alarm; 702, pulling rod; 703, dustproof shell; 704, lower pressure plate; 705, first press Pressing block; 706, spring rod; 707, moving block; 708, pulling block; 709, first spring; 8, separation mechanism; 801, protective shell; 802, positioning frame; 803, filter plate; 804, discharge port; 805, water outlet; 806, limiting block; 807, second pressing block; 808, sliding rod; 809, bending rod; 810, second spring; 811, slider; 9, tilting plate. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0021] Examples of 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 intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0022] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" 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.

[0023] Example 1: See Figure 1-Figure 4 The present invention provides a technical solution: a wastewater treatment device in trichlorosilane production, including a coarse sedimentation tank 2, two groups of support legs 1 are fixedly connected to the bottom of the left side of the coarse sedimentation tank 2, and protective shells 3 are fixedly connected on both sides of the coarse sedimentation tank 2. Threaded rods 5 are arranged on the inner walls of the two groups of protective shells 3. The right sides of the two groups of threaded rods 5 are fixedly connected to the protective shells 3, and the left sides of the two groups of threaded rods 5 penetrate the protective shells 3. Motors 4 are arranged on the side of the two groups of threaded rods 5 close to the support legs 1. The two groups of motors 4 are fixedly connected to the coarse sedimentation tank, and the output ends of the two groups of motors 4 are respectively fixedly connected to the two groups of threaded rods 5. An inclined plate 9 is fixedly connected to the bottom of the inner wall of the coarse sedimentation tank 2. By setting the inclined plate 9, impurities can start to roll due to the inclination angle of the inclined plate 9 when they fall on the inclined plate 9, and the impurities will not be allowed to stay in the same position for too long, thereby causing the impurities to solidify, which may cause them to be dispersed by water flow and cause the workload of subsequent wastewater treatment. It also includes: The pushing mechanism 6 comprises two groups of sliding rings 604, the inner walls of the two groups of sliding rings 604 are respectively threadedly connected with the threaded rod 5 in two groups, the two groups of sliding rings 604 are respectively fixedly connected with a connecting block 601 on the side close to each other, the bottom of the middle end of the connecting block 601 is fixedly connected with a fixing rod 602, the right side of the fixing rod 602 is fixedly connected with a contact plate 603, the bottom of the contact plate 603 is fixedly connected with a push plate 605, the left and right sides of the push plate 605 are fixedly connected with baffles 606, and the bottom of the fixing rod 602 is fixedly connected with a scraper 607, by setting the scraper 607 to be curved, the scraper 607 can process the impurities that are successfully pushed by the push plate 605, and a hole is opened at the upper end of the scraper 607, so that water will flow through the hole, thereby driving the impurities to move, so that the impurities will not be solidified due to the push plate 605 not processing them in place, and the push plate 605 and the scraper 607 are both in contact with the top of the inclined plate 9.

[0024] The working principle of this embodiment is as follows: when water flows into the coarse sedimentation tank 2, it first contacts the inclined plate 9, and then the staff starts the motor 4, and drives the threaded rod 5 to rotate through the motor 4, so that the sliding ring 604 is driven to move by the rotating threaded rod 5, and the connecting block 601 is driven to move through the sliding ring 604, so that the connecting block 601 drives the bottom fixed rod 602 to move, and the scraper 607 is driven to move through the fixed rod 602, and then the fixed rod 602 also drives the contact plate 603 to move, so that the push plate 60 is driven by the contact plate 603. 5 is moved, so that when the push plate 605 moves on the inclined plate 9, it will push the impurities left on the inclined plate 9, and the push plate 605 is provided with a hole, and the impurities are driven forward by the water flowing out of the hole. When there are still some impurities that are not driven by the push plate 605, the scraper 607 collects them through its own curved shape, and the scraper 607 is also provided with a hole. At this time, the water flowing out of the hole will drive the impurities between the scraper 607 and the push plate 605 to move forward, so as to flow out of the hole on the push plate 605, continue to move, and then flow to the separation mechanism 8.

[0025] Example 2: Please refer to Figure 5-Figure 7 On the basis of the first embodiment, the present invention provides a technical solution: a detection mechanism 7, the detection mechanism 7 includes an alarm 701, the alarm 701 passes through the coarse sedimentation tank 2, and the outer wall is fixedly connected to the coarse sedimentation tank 2, a pull rod 702 is fixedly connected to the bottom of the alarm 701, a dust cover 703 is fixedly connected to the left side of the inner wall of the coarse sedimentation tank 2, a first pressing block 705 is fixedly connected to the bottom of the pull rod 702, a first spring 709 is fixedly connected to the inner wall of the first pressing block 705, a pulling block 708 is arranged at the bottom of the first pressing block 705, a moving block 707 is fixedly connected to the side of the pulling block 708 close to the first pressing block 705, the bottom of the moving block 707 is fixedly connected to the first spring 709, a spring rod 706 is fixedly connected to the bottom of the pulling block 708, and a lower pressure plate 704 is fixedly connected to the bottom of the spring rod 706, By setting up the lower pressure plate 704, the impurities that are constantly impacted by the water flow will begin to diffuse around, so that the accumulation at the corners is larger, causing the lower pressure plate 704 to receive more impurities, and thus the amount of impurities can be measured more accurately by measuring the accumulation of impurities. The bottom of the lower pressure plate 704 is in contact with the filter plate 803.

[0026] The working principle of this embodiment is as follows: when water flows onto the filter plate 803 on the separation mechanism 8, impurities will be left on the filter plate 803 as the water flows down, but the water flows down from the filter plate 803. When impurities stay on the filter plate 803, the impact force generated by the continuous falling of the water flow will begin to disperse the impurities to the surroundings, causing the impurities to be washed onto the lower pressure plate 704. At this time, the lower pressure plate 704 will begin to move downward due to too many impurities on the plate, thereby pulling the spring rod 706 to move. As a result, the spring rod 706 will pull the pulling block 708 to move downward. When the pulling block 708 moves downward, it will continue to drive the moving block 707 to move downward synchronously, thereby pressing the first spring 709, causing the first spring 709 to begin to contract, thereby causing the moving block 707 to pull the first pressing block 705 to press, causing the first pressing block 705 to pull the pulling rod 702 to move downward at the same time, and the alarm 701 starts to work by the downward movement of the pulling rod 702.

[0027] Example 3: Please refer to Figure 8-Figure 9On the basis of the first and second embodiments, the present invention provides a technical solution: a separation mechanism 8, the separation mechanism 8 includes a protective shell 801, the top of the protective shell 801 is fixedly connected to the bottom of the left side of the coarse sedimentation tank 2, the inner wall of the protective shell 801 is fixedly connected to a positioning frame 802, the inner wall of the positioning frame 802 is rotatably connected to a filter plate 803 through a rotating shaft, and the filter plate 803 on the right side can be rotated by setting it so that when there are too many impurities on the filter plate 803, only the filter plate 803 on the right side needs to be rotated. However, at this time, the falling water flow will flush the rotating filter plate 803, so that the impurities on the filter plate 803 have been removed, and a discharge port 804 is provided on the left side of the protective shell 801, and a water outlet 805 is provided on the left side of the protective shell 801 away from the discharge port 804. Two sets of limit blocks 806 are provided on the side of the protective shell 801 away from the positioning frame 802, and a sliding rod 808 is fixedly connected to the side where the two sets of limit blocks 806 are close to each other. Two sets of sliding blocks 811 are provided on the outer wall of the sliding rod 808. The left and right sides of the block 811 are fixedly connected with bending rods 809, and the sides of the two sets of bending rods 809 close to each other are respectively provided with second springs 810. The second springs 810 are provided to adjust the rotation angle of the filter plate 803. When there are small impurity particles on the filter plate 803, these particles are easily stuck in the filter holes. At this time, the second springs 810 are continuously pressed so that the rebound force of the second springs 810 itself causes the filter plate 803 on the right to shake. With the help of this shaking force, , the impurities stuck in the hole can be thrown out, the upper and lower ends of the two groups of second springs 810 are fixedly connected to the bending rod 809, the top of the slider 811 located on the upper side is fixedly connected with the second pressing block 807, the side of the second pressing block 807 away from the slider 811 is in contact with the lower pressure plate 704, the limit block 806 and the second pressing block 807, the sliding rod 808, the bending rod 809, the second spring 810, and the slider 811 are all provided with two groups, and are symmetrically arranged with the middle of the protective shell 801 as the center.

[0028] The working principle of this embodiment is as follows: when the alarm 701 is working, the staff will receive the information and press the second pressing block 807 downward, causing the second pressing block 807 to drive the slider 811 on the upper side to move downward when it moves downward, so that the slider 811 will drive the bending rod 809 to begin to bend inward when it moves downward, causing the bending rod 809 to drive the second spring 810 to begin to contract when it bends, causing the slider 811 to slide on the slide bar 808, and when the second pressing block 807 moves downward, it will drive the lower pressure plate 704 to move downward, and at the same time, the lower pressure plate 704 will synchronously drive the filter plate 803 on the right side to rotate downward, so that the impurities on the filter plate 803 and the lower pressure plate 704 begin to roll and fall out from the discharge port 804, and the water flowing out of the filter plate 803 will flow out from the water outlet, completing the work.

[0029] 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.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A wastewater treatment device in trichlorosilane production, comprising a coarse sedimentation tank (2), wherein two groups of supporting legs (1) are fixedly connected to the bottom of the left side of the coarse sedimentation tank (2), and protective shells (3) are fixedly connected to the front and back sides of the coarse sedimentation tank (2), and threaded rods (5) are arranged on the inner walls of the two groups of protective shells (3), and the right sides of the two groups of threaded rods (5) are fixedly connected to the protective shells (3), and the left sides of the two groups of threaded rods (5) penetrate the protective shells (3), and motors (4) are arranged on the sides of the two groups of threaded rods (5) close to the supporting legs (1), and the two groups of motors (4) are fixedly connected to the coarse sedimentation tank, and the output ends of the two groups of motors (4) are respectively fixedly connected to the two groups of threaded rods (5), and an inclined plate (9) is fixedly connected to the bottom of the inner wall of the coarse sedimentation tank (2), characterized in that: Also includes: A pushing mechanism (6), the pushing mechanism (6) comprising two groups of sliding rings (604), the inner walls of the two groups of sliding rings (604) being threadedly connected to the threaded rod (5) in two groups, the two groups of sliding rings (604) being fixedly connected to a connecting block (601) on one side close to each other, the middle bottom of the connecting block (601) being fixedly connected to a fixing rod (602), and the right side of the fixing rod (602) being fixedly connected to a contact plate (603); A detection mechanism (7), the detection mechanism (7) comprising an alarm (701), the alarm (701) passing through the coarse sedimentation tank (2), and the outer wall of the alarm (701) being fixedly connected to the coarse sedimentation tank (2), a pull rod (702) being fixedly connected to the bottom of the alarm (701), and a dust cover (703) being fixedly connected to the left side of the inner wall of the coarse sedimentation tank (2); A separation mechanism (8), the separation mechanism (8) comprising a protective shell (801), the top of the protective shell (801) being fixedly connected to the bottom of the left side of the coarse sedimentation tank (2), the inner wall of the protective shell (801) being fixedly connected to a positioning frame (802), the inner wall of the positioning frame (802) being rotatably connected to a filter plate (803) via a rotating shaft, and a discharge port (804) being provided on the left side of the protective shell (801).

2. The wastewater treatment device in trichlorosilane production according to claim 1, characterized in that: The bottom of the contact plate (603) is fixedly connected to a push plate (605), the left and right sides of the push plate (605) are fixedly connected to baffles (606), the bottom of the fixed rod (602) is fixedly connected to a scraper (607), and both the push plate (605) and the scraper (607) are in contact with the top of the inclined plate (9).

3. The wastewater treatment device in trichlorosilane production according to claim 1, characterized in that: A first pressing block (705) is fixedly connected to the bottom of the pulling rod (702), a first spring (709) is fixedly connected to the inner wall of the first pressing block (705), and a pulling block (708) is arranged at the bottom of the first pressing block (705).

4. The wastewater treatment device in trichlorosilane production according to claim 3, characterized in that: A moving block (707) is fixedly connected to one side of the pulling block (708) close to the first pressing block (705); the bottom of the moving block (707) is fixedly connected to the first spring (709); the bottom of the pulling block (708) is fixedly connected to a spring rod (706); the bottom of the spring rod (706) is fixedly connected to a lower pressing plate (704); the bottom of the lower pressing plate (704) is in contact with the filter plate (803).

5. The wastewater treatment device in trichlorosilane production according to claim 1, characterized in that: A water outlet (805) is provided on the left side of the protective shell (801) away from the material outlet (804), and two groups of limit blocks (806) are provided on the side of the protective shell (801) away from the positioning frame (802), and a sliding rod (808) is fixedly connected to the side of the two groups of limit blocks (806) close to each other.

6. The wastewater treatment device in trichlorosilane production according to claim 5, characterized in that: Two groups of sliders (811) are arranged on the outer wall of the slide bar (808), and the left and right sides of the two groups of sliders (811) are fixedly connected to bending bars (809), and the sides of the two groups of bending bars (809) close to each other are respectively provided with second springs (810), and the upper and lower ends of the two groups of second springs (810) are fixedly connected to the bending bars (809).

7. The wastewater treatment device in the production of trichlorosilane according to claim 6, characterized in that: A second pressing block (807) is fixedly connected to the top of the sliding block (811) located on the upper side, and a side of the second pressing block (807) away from the sliding block (811) is in contact with the lower pressing plate (704).

8. The wastewater treatment device in trichlorosilane production according to claim 7, characterized in that: The limit block (806), the second pressing block (807), the sliding rod (808), the bending rod (809), the second spring (810), and the sliding block (811) are all provided in two groups, and are all symmetrically arranged with the middle of the protective shell (801) as the center.

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