Wastewater recycling system

Abstract

The utility model belongs to the technical field of wastewater recycling, and particularly relates to a wastewater recycling system which comprises a clarification tank, a drainage pipe connected to the clarification tank, a coal conveying belt leading to one end of the drainage pipe away from the clarification tank, a circulating pump mounted on the drainage pipe and used for driving wastewater to flow, and a water supplementing pipe connected to the drainage pipe. And one end, far away from the drainage pipe, of the water replenishing pipe leads to the scraper slag conveyor. According to the utility model, the water replenishing pipe is connected to the water draining pipe and is used for replenishing water into the submerged scraper conveyor, so that wastewater precipitated in the clarification tank not only can wash a coal conveying belt, but also can be used for replenishing water into the submerged scraper conveyor, the aim of saving energy is fulfilled, the situation that drained water at the periphery of a coal yard overflows is reduced, and the waste of water resources is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to wastewater recycling technical field, concretely is a kind of wastewater recycling system. BACKGROUND

[0002] Currently, the water used by coal conveying belt and the water used by scraper slag conveyer in thermal power plant are two water supply systems, the water used by scraper slag conveyer is clean reused water, and the water used by coal conveying belt is the wastewater after the impurities in clarifier are precipitated, the simultaneous water supply of the two water supply systems can cause the overflow of external drainage around coal yard, and also can cause a large amount of water resource waste. CONTENT OF UTILITY MODEL

[0003] In order to solve the problems in the above background art, the utility model provides a kind of wastewater recycling system, water supplementing pipe is connected on drain pipe, water supplementing pipe carries out water supplementing to scraper slag conveyer, therefore, the wastewater after precipitation in clarifier can not only wash coal conveying belt, but also can water supplement for scraper slag conveyer, which not only achieves the purpose of energy saving, but also reduces the overflow of external drainage around coal yard, and reduces water resource waste.

[0004] The utility model provides a kind of wastewater recycling system, including clarifier, clarifier is connected with drain pipe, the end of drain pipe away from clarifier leads to coal conveying belt, and the circulating pump for driving wastewater to flow is installed on drain pipe, water supplementing pipe is connected on drain pipe, water supplementing pipe is located at the export direction of circulating pump, and the end of water supplementing pipe away from drain pipe leads to scraper slag conveyer.

[0005] Further, filter device is further provided on drain pipe, and filter device is located between circulating pump and clarifier, and filter device includes filter box, and filter screen for filtering impurities is arranged in filter box.

[0006] Further, filter screen can be detachably installed in filter box, and the top of filter box is provided with insertion slot, and filter screen is inserted into filter box through insertion slot, and the bottom of filter box is provided with positioning slot, and the bottom of filter screen is inserted into positioning slot, and locking assembly for fixing filter screen is arranged on filter box.

[0007] Further, locking assembly includes clamping block, clamping block is fixed on filter screen, insertion slot is formed in the top of filter box, clamping block is clamped in insertion slot, and pressing member for fixing clamping block is arranged on filter box.

[0008] Further, pressing member includes fixed cylinder, fixed cylinder is fixed on the top surface of filter box, and lifting cylinder is vertically slidably arranged on fixed cylinder, pressing plate is fixed on the outer wall of lifting cylinder, and pressing plate is pressed on clamping block, and pulling spring is fixed between the cylinder bottom of lifting cylinder and the top surface of filter box, and lifting cylinder is moved to the direction close to filter box by pulling spring, and pulling spring is located in fixed cylinder.

[0009] Furthermore, the outer wall of the fixed cylinder is provided with an annular turning groove and a vertically arranged lifting groove. The lifting groove is located below the turning groove and is connected to the turning groove. A limit block is fixed on the inner wall of the lifting cylinder, and the limit block is movably arranged in the turning groove and the lifting groove.

[0010] Furthermore, there are two filters and two locking components.

[0011] Furthermore, the top of the filter screen is higher than the top surface of the filter box.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] (1) A water supply pipe was connected to the drainage pipe, and the water supply pipe supplied water to the scraper slag remover. Therefore, the wastewater after sedimentation in the clarification tank can not only wash the coal conveyor belt, but also supply water to the scraper slag remover. This not only achieves the purpose of energy saving, but also reduces the occurrence of external drainage overflow around the coal yard and reduces the waste of water resources.

[0014] (2) The filtration device is used to further filter the wastewater in the clarification tank to prevent impurities from entering the circulation pump and causing damage to the circulation pump.

[0015] (3) There are two filter screens and two locking components. The two filter screens are arranged side by side. On the one hand, this can improve the filtration effect of the filtration device. On the other hand, the filter screen can be replaced without stopping the machine. When one filter screen is replaced, the other filter screen can play a filtration role. The top of the filter screen is higher than the top surface of the filter box, which makes it easy to pull the filter screen upward when replacing it. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the overall structure of a wastewater recycling system.

[0018] Figure 2 This is a cross-sectional view of the filter box;

[0019] Figure 3 This is a cross-sectional view of the locking component;

[0020] Figure 4 This is a schematic diagram of the fixed cylinder structure;

[0021] Explanation of reference signs: 1, clarifier; 2, drain pipe; 3, circulating pump; 4, water supply pipe; 5, scraper reclaimer; 6, filtering device; 60, filter box; 61, filter screen; 62, insertion slot; 63, positioning groove; 64, locking assembly; 640, clamping block; 641, clamping groove; 642, pressing part; 6420, fixed cylinder; 6421, pull cylinder; 6422, pressing plate; 6423, tension spring; 6424, turning groove; 6425, pulling groove; 6426, limiting block. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work are within the protection scope of the present application.

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work are within the protection scope of the present application. Figure 1 to the drawings Figure 4 The present application will be described in detail below with reference to the drawings.

[0024] With reference to Figures 1-4 The wastewater recycling system provided by the present application comprises a clarifier 1, a drain pipe 2 connected to the clarifier 1, a circulating pump 3 installed on the drain pipe 2 to drive the wastewater to flow, a water supply pipe 4 connected to the drain pipe 2 and located in the outlet direction of the circulating pump 3, and a scraper reclaimer 5 to which the end of the water supply pipe 4 away from the drain pipe 2 is connected. The water supply pipe 4 is connected to the drain pipe 2 and supplies water to the scraper reclaimer 5, so that the wastewater in the clarifier 1 can not only flush the coal conveying belt but also supply water to the scraper reclaimer 5, achieving the purpose of energy saving and reducing the overflow of the external drainage of the coal yard, thereby reducing the waste of water resources.

[0025] The wastewater recycling system provided by the present application comprises a clarifier 1, a drain pipe 2 connected to the clarifier 1, a circulating pump 3 installed on the drain pipe 2 to drive the wastewater to flow, a water supply pipe 4 connected to the drain pipe 2 and located in the outlet direction of the circulating pump 3, and a scraper reclaimer 5 to which the end of the water supply pipe 4 away from the drain pipe 2 is connected. The water supply pipe 4 is connected to the drain pipe 2 and supplies water to the scraper reclaimer 5, so that the wastewater in the clarifier 1 can not only flush the coal conveying belt but also supply water to the scraper reclaimer 5, achieving the purpose of energy saving and reducing the overflow of the external drainage of the coal yard, thereby reducing the waste of water resources.

[0026] The top surface of the filter box 60 is provided with a locking assembly 64 for fixing the filter screen 61, the locking assembly 64 comprises a clamping block 640 fixed on the filter screen 61, the top of the filter box 60 is provided with a clamping groove 641, the clamping block 640 is clamped in the clamping groove 641, and the top surface of the filter box 60 is provided with a pressing piece 642 for fixing the clamping block 640; the filter screen 61 is inserted into the filter box 60, the bottom of the filter screen 61 is inserted into the positioning groove 63 at the same time, the clamping block 640 is also inserted into the clamping groove 641, and then the pressing piece 642 is pressed to fix the filter screen 61.

[0027] The pressing piece 642 comprises a fixed cylinder 6420 with two open ends, the fixed cylinder 6420 is fixed on the top surface of the filter box 60, a lifting cylinder 6421 with one open end is vertically slidably arranged on the fixed cylinder 6420, the opening of the lifting cylinder 6421 faces the filter box 60, a pressing plate 6422 is fixed on the outer wall of the lifting cylinder 6421, the pressing plate 6422 presses on the clamping block 640, a tension spring 6423 is fixed between the bottom of the lifting cylinder 6421 and the top surface of the filter box 60, the tension spring 6423 pulls the lifting cylinder 6421 to move towards the filter box 60, and the tension spring 6423 is located in the fixed cylinder 6420; the lifting cylinder 6421 is pressed downward under the elastic action of the tension spring 6423, the lifting cylinder 6421 drives the pressing plate 6422 to press the clamping block 640 downward, and then the clamping block 640 is fixed.

[0028] A ring-shaped turning groove 6424 and a vertical lifting groove 6425 are arranged on the outer wall of the fixed cylinder 6420, the lifting groove 6425 is located below the turning groove 6424, the lifting groove 6425 is in communication with the turning groove 6424, a limiting block 6426 is fixed on the inner wall of the lifting groove 6425, and the limiting block 6426 is movably arranged in the turning groove 6424 and the lifting groove 6425; when the pressing plate 6422 presses the clamping block 640 downward, the limiting block 6426 is located at the bottom end of the lifting groove 6425, when the filter screen 61 needs to be replaced, the lifting cylinder 6421 is pulled upward, the lifting cylinder 6421 drives the pressing plate 6422 and the limiting block 6426 to move upward, the pressing plate 6422 is separated from the clamping block 640, the limiting block 6426 moves upward along the lifting groove 6425, the limiting block 6426 moves to the top end of the lifting groove 6425, the lifting cylinder 6421 is turned, the lifting cylinder 6421 drives the limiting block 6426 and the pressing plate 6422 to turn, the limiting block 6426 moves along the turning groove 6424, at this time, the pressing plate 6422 is away from the clamping block 640, the filter screen 61 can be pulled upward, and the filter screen 61 is replaced.

[0029] The filter screen 61 and the locking assembly 64 are both provided with two, and the two filter screens 61 are arranged side by side in front and back, which can improve the filtering effect of the filtering device 6, and when one of the filter screens 61 is replaced, the other filter screen 61 can play a filtering role; the top of the filter screen 61 is higher than the top surface of the filtering box 60, which facilitates upward pulling of the filter screen 61 when the filter screen 61 is replaced.

[0030] The above has further described the utility model by means of specific embodiments, but it should be understood that, here specific description, should not be understood as the limitation of the essence and scope of the utility model, various modifications made to the above embodiment by the ordinary skilled in the art after reading the present specification all belong to the range protected by the utility model.

Claims

1. A wastewater recycling system characterized by, The water drainage pipe is further provided with a filtering device between the circulating pump and the clarifying tank, the filtering device comprises a filtering box, and a filtering screen for filtering impurities is arranged in the filtering box.

2. The wastewater recycling system according to claim 1, characterized by, The filtering screen is detachably arranged in the filtering box, a top portion of the filtering box is provided with an insertion slot, the filtering screen is inserted into the filtering box through the insertion slot, a bottom portion of the filtering box is provided with a positioning slot, a bottom portion of the filtering screen is inserted into the positioning slot, and the filtering box is provided with a locking assembly for fixing the filtering screen.

3. The wastewater recycling system according to claim 2, characterized by, The locking assembly comprises a clamping block fixed on the filtering screen, a top portion of the filtering box is provided with a clamping slot, the clamping block is clamped in the clamping slot, and the filtering box is provided with a pressing piece for fixing the clamping block.

4. The wastewater recycling system according to claim 3, characterized by The pressing piece comprises a fixing cylinder fixed on a top surface of the filtering box, a pull cylinder is vertically slidably arranged on the fixing cylinder, a pressing plate is fixed on an outer wall of the pull cylinder and presses on the clamping block, a pull spring is fixed between a cylinder bottom of the pull cylinder and the top surface of the filtering box and pulls the pull cylinder to move towards the filtering box, and the pull spring is located in the fixing cylinder.

5. The wastewater recycling system according to claim 4, characterized by An annular turning groove and a vertical pull groove are arranged on an outer wall of the fixing cylinder, the pull groove is located below the turning groove, the pull groove is in communication with the turning groove, a limiting block is fixed on an inner wall of the pull cylinder and movably arranged in the turning groove and the pull groove.

6. The wastewater recycling system according to claim 5, wherein Both the filtering screen and the locking assembly are provided with two.

7. The wastewater recycling system according to claim 3, characterized by A top portion of the filtering screen is higher than the top surface of the filtering box.

8. The wastewater recycling system according to claim 3, characterized by ​

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