Coal gas cooling circulating water treatment device and method

Abstract

The present application relates to the technical fields, and disclose a kind of coal gas cooling circulating cooling water processing device and method, including cooling box, the inside of the cooling box is provided with heat exchange mechanism, the inner wall of the cooling box is installed with filter plate, the inside and surface of the cooling box are installed with cleaning assembly, linkage assembly.The cleaning assembly is set, when dehydration piston cylinder drives fixed plate and scraper to move to the left side to the leftmost side, the inclined surface of limit block and the inclined surface of clamping plate are in contact and compress spring, after limit block and clamping plate parallel, spring resets, the plane side of limit block and the plane side of clamping plate are in contact and form locking, when fixed plate drives scraper right reset, the locked scraper keeps lifting state and separates from filter plate, realize that scraper is not contacted with filter plate when back, avoid the function that solid impurities that have been scraped off are brought back to filter plate surface, avoid the situation that solid impurities re-accumulation, filter plate is blocked again, cleaning efficiency is low during backstroke.

Description

Technical Field

[0001] This invention relates to the technical field, specifically to a gas cooling circulating cooling water treatment device and method. Background Technology

[0002] Solid impurities refer to fine-grained soil containing organic matter that deposits in still or slow-flowing water environments. They are commonly found in riverbeds, and excessive accumulation can lead to shallower riverbeds, reduced water storage, and consequently, deteriorated water quality and environmental degradation. Therefore, when excessive solid impurities accumulate in riverbeds, dehydration and solidification devices are needed for treatment. To ensure the cleanliness of urban rivers, regular cleaning is necessary. Current technology typically involves sucking solid impurities from the riverbed into a transfer vehicle, which then transports them to a treatment plant for further processing. However, the sucked solid impurities contain a large amount of water, increasing their volume and reducing the efficiency of the transfer vehicle. Current technology often uses mechanical dehydration methods, such as filter presses, at the solid impurity collection site to remove the large amount of water before transport.

[0003] A search revealed a solid impurity dehydration device with publication number CN220537670U. This application, through the action of a rotating column and stirring blades, can stir and tumble the solid impurities entering the dehydration tank. Simultaneously, with the action of a blower body and air duct, the solid impurities undergo secondary dehydration. This achieves the goal of continuously tumbling the solid impurities entering the dehydration tank while simultaneously air-drying and dehydrating them, thus improving the efficiency and effectiveness of solid impurity dehydration.

[0004] However, the aforementioned device still has shortcomings in practical applications. During the discharge process, some solid impurities after dehydration tend to remain on the surface of components such as the support plate and filter cloth, and cannot be completely discharged by gravity or the device's own movement. Currently, manual cleaning is the only option, which is cumbersome, inefficient, and increases maintenance costs, hindering continuous and automated operations. If residual solid impurities are not cleaned for a long time, they may dry out and clog the filter media, affecting subsequent dehydration effects and the stability of equipment operation. Summary of the Invention

[0005] The purpose of this invention is to provide a gas cooling circulating cooling water treatment device and method to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a cooling box body, wherein a water inlet is installed at the top of the cooling box body, a water outlet is installed at the bottom of the cooling box body, a discharge port is opened on the left side of the cooling box body, an installation door is installed on the left side of the cooling box body, a heat exchange mechanism is provided inside the cooling box body, a filter plate is installed on the inner wall of the cooling box body, and a cleaning assembly and a linkage assembly are installed inside and on the surface of the cooling box body; the cleaning assembly includes: A dehydration piston cylinder is fixed on the right side of the cooling box. The output end of the dehydration piston cylinder passes through the cooling box and is fixed with a fixing plate. A scraper is slidably connected to the outer surface of the fixed plate, and a magnetic plate is fixed to the top of the scraper, the magnetic plate being magnetically connected to the fixed plate; An abutment block is fixed to the top of the filter plate, and a groove is provided on the side of the scraper near the fixed plate; When the scraper moves to the left, it removes solid impurities from the filter plate surface; when it moves to the right, it resets and prepares for the next scraping. The sliding connection between the scraper and the fixed plate allows the scraper to undergo vertical displacement under certain conditions, preventing the re-carrying of solid impurities.

[0007] Optionally, a magnetic plate is fixed to the top of the scraper, and the magnetic plate is magnetically connected to the fixed plate. An abutment block is fixed to the top of the filter plate. A groove is formed on the side of the scraper near the fixed plate. In normal scraping mode, the magnetic plate attracts the fixed plate, keeping the scraper in contact with the filter plate. When the scraper moves to its leftmost position, the bottom of the scraper contacts the inclined surface of the abutment block, forcing the scraper to move upwards and disengaging the magnetic plate from the fixed plate. This allows the scraper to change height, preventing the return of solid impurities. The groove provides installation and movement space for subsequent limiting components.

[0008] Optionally, a movable plate is slidably connected to the inner wall of the groove, and a spring is fixed to the outer surface of the movable plate. The end of the spring away from the movable plate is fixed to the inner wall of the groove. A limit block is installed on the side of the movable plate away from the spring. A connecting groove is provided on the side of the fixed plate near the scraper. When the scraper moves upward, the movable plate and the limit block rise synchronously. During the rising process, the limit block contacts the clamping plate and compresses the spring. After passing the clamping plate, the spring returns to its original position, causing the limit block to lock the clamping plate, thereby locking the scraper in its high position. At this time, even if the dewatering piston cylinder drives the fixed plate to move to the right, the scraper will not move accordingly, avoiding the re-bringing of the scraped solid impurities back to the filter plate surface. The connecting groove is used to accommodate the clamping plate, ensuring precise matching between the limit block and the clamping plate.

[0009] Optionally, a retaining plate is fixed to the inner wall of the connecting groove, and an abutment rod is fixed to the right side of the inner wall of the cooling box. The abutment rod passes through the retaining plate. When the retaining plate moves to the right to the initial position, the abutment rod passes through the retaining plate and directly contacts the outer surface of the moving plate, causing the moving plate to compress the spring and drive the limiting block to disengage from the retaining plate, thus releasing the lock on the scraper. Subsequently, the magnetic plate and the retaining plate re-attract each other, the scraper falls back to its original position, and re-adhere to the filter plate, preparing for the next scraping cycle.

[0010] Optionally, the limiting block has a right-angled triangle cross-section, the bottom of the end of the clamping plate away from the fixed plate is set as an inclined surface, and the side of the abutment block near the scraper is set as an inclined surface. The right-angled side of the limiting block and the right-angled side of the clamping plate cooperate with each other to form a stable mechanical self-locking after the scraper moves upward, ensuring that the scraper will not fall accidentally due to gravity or vibration. The inclined surface at the bottom of the clamping plate matches the inclined surface of the limiting block, guiding the limiting block to smoothly pass over the clamping plate during the upward movement; the inclined surface of the abutment block pushes the scraper upward when it reaches the leftward end point.

[0011] Optionally, the linkage assembly includes a magnetic block magnetically connected to a magnetic plate. A linkage plate is fixed to the outer surface of the magnetic block and slidably connected to the outer surface of the scraper. Utilizing the magnetic attraction between the magnetic plate and the magnetic block, the linkage plate moves with the scraper while simultaneously sliding relative to it. When the scraper moves to a specific position, an external protrusion pushes up the linkage plate, separating it from the magnetic plate. The magnetic attraction then causes it to fall rapidly, creating a vibration effect. This vibration helps to shake off residual solid impurities adhering to the filter plate surface, improving scraping efficiency.

[0012] Optionally, an abutment plate is fixed to the outer surface of the connecting plate. The outer surface of the abutment plate is inclined. A protrusion is fixed to the inner wall of the cooling box. When the scraper moves to the right and resets, the inclined surface of the abutment plate contacts the protrusion. The protrusion forces the abutment plate and the connecting plate to move upward, and the magnetic block disengages from the magnetic plate. After the abutment plate passes the protrusion, the magnetic block and the magnetic plate re-attract each other, and the connecting plate quickly moves downward to impact the filter plate, generating vibration. This impact action can effectively loosen the fine solid impurities remaining in the pores of the filter plate, preventing blockage, and at the same time assisting the scraper in cleaning, significantly improving the dewatering and sludge removal effect.

[0013] Optionally, the heat exchange mechanism includes: A heat exchange pipe, which penetrates the side wall of the cooling box, with its inlet and outlet ends located outside the cooling box; The movable cleaning block has a cylindrical groove that matches the size of the heat exchange pipe and is slidably installed on the heat exchange pipe. The movable cleaning block has a through groove for cleaning the end area of ​​the heat exchange pipe located in the cooling box. Multiple sets of movable cleaning blocks are arranged in an array. The tops of the multiple sets of movable cleaning blocks are fixed to the connecting plate. A cleaning piston cylinder is detachably mounted on the outer wall of the cooling box, and the output shaft of the cleaning piston cylinder passes through the side wall of the cooling box and is fixed to the outer wall of the connecting plate.

[0014] The present invention also proposes a method for a circulating cooling water treatment device, comprising the following steps: S1. Pipeline connection: First, connect the gas input end and output end to the water inlet and outlet of the cooling box respectively, and then inject gas cooling circulating cooling water into the cooling box. S2. Cooling and heat exchange treatment: When the gas cooling circulating cooling water passes through the heat exchange pipe, the heat exchange pipe exchanges heat with the gas cooling circulating cooling water to achieve waste heat circulation; the cleaning piston cylinder is started periodically and the moving cleaning block is pushed to slide on the heat exchange pipe through the connecting plate. The moving cleaning block cleans the impurities and dirt attached to the heat exchange pipe periodically. S3. Dehydration and separation: The cooling water circulating in the gas cooling system passes through a filter plate, where it is separated from the solid impurities in the cooling water for dehydration. When dehydration is complete, the installation door is opened, and the dehydration piston cylinder is started to reciprocate. During the reciprocating motion of the dehydration piston cylinder, as the fixed plate moves closer to the installation door, the scraper moves synchronously and scrapes off the solid impurities. The solid impurities are discharged through the outlet. When the scraper is at its leftmost position, the bottom of the scraper contacts the inclined surface of the contact block, causing the scraper to move upwards and the magnetic plate to separate from the fixed plate. Simultaneously, as the scraper moves upwards, the moving plate and the limiting block move synchronously, with the inclined surface of the limiting block contacting the inclined surface of the clamping plate. At this time, the moving plate moves, and the spring is compressed. When the position of the limiting block is parallel to the clamping plate, the spring is released, causing the moving plate and the limiting block to reset. The flat side of the limiting block contacts the flat side of the clamping plate and limits the scraper, causing the scraper to detach from the filter plate. When the fixed plate moves the scraper to the right to reset, there will be no backlash. When the fixed plate resets, the contact rod is inserted into the fixed plate, and the end of the contact rod contacts the outer surface of the moving plate, which allows the limiting block to detach from the clamping plate and release the limitation on the scraper. At this time, the magnetic plate attracts the fixed plate to reset, allowing the scraper to re-adhere to the filter plate and continue the cleaning process. Simultaneously, as the scraper moves, it drives the contact plate and the linkage plate to move. When the inclined surface of the contact plate contacts the outer surface of the protrusion, the contact plate and the linkage plate move upward. When the contact plate separates from the protrusion, the magnetic block and the magnetic plate attract and reset, and the linkage plate moves downward to hit the filter plate, causing the filter plate to vibrate.

[0015] Compared with the prior art, the present invention provides a gas cooling circulating cooling water treatment device and method, which has the following beneficial effects: 1. The gas cooling circulating cooling water treatment device and method, through the set cleaning components, when the dehydration piston cylinder drives the fixed plate and scraper to move to the leftmost left, the bottom of the scraper abuts against the inclined surface of the contact block and moves upward, so that the inclined surface of the limit block abuts against the inclined surface of the clamping plate and compresses the spring. After the limit block and the clamping plate are parallel, the spring returns to its original position, and the flat side of the limit block abuts against the flat side of the clamping plate to form a lock. When the fixed plate drives the scraper to move to the right to reset, the locked scraper remains in an elevated state and disengages from the filter plate. This can realize the function of the scraper not contacting the filter plate during the return stroke, avoiding the return of scraped solid impurities to the surface of the filter plate, avoiding the situation of solid impurities re-accumulating during the return stroke, the filter plate being blocked again, and the low cleaning efficiency, and eliminating the need for manual cleaning.

[0016] 2. The gas cooling circulating cooling water treatment device and method, through the set linkage components, during the reciprocating movement of the scraper driven by the cleaning component, the scraper drives the linkage plate and the contact plate to move synchronously. When the inclined surface of the contact plate contacts the protrusion on the inner wall of the cooling box, the contact plate and the linkage plate move upward. When the contact plate separates from the protrusion, the magnetic block and the magnetic plate attract each other, causing the linkage plate to move downward and hit the filter plate. This can realize the function of the filter plate generating intermittent vibration synchronously during the cleaning process, avoiding the situation where solid impurities adhere to the surface of the filter plate and are difficult to scrape off, the scraper scrapes empty or not cleanly, and the filter holes are blocked, resulting in a decrease in dehydration efficiency.

[0017] 3. The gas cooling circulating cooling water treatment device and method, through the heat exchange mechanism, the heat exchange pipe exchanges heat with the gas cooling circulating cooling water, realizing the waste heat circulation while cleaning the piston cylinder periodically starting, and through the connecting plate pushing the moving cleaning block to slide on the heat exchange pipe, the moving cleaning block periodically cleans the impurities and dirt attached to the heat exchange pipe. Attached Figure Description

[0018] Figure 1 This is a front view structural diagram of the present invention; Figure 2 This is a schematic diagram of the internal structure of the present invention; Figure 3 This is a front view structural diagram of the cleaning component and the linkage component of the present invention; Figure 4 This is a schematic diagram of the exploded cross-section of a portion of the cleaning component of the present invention. Figure 5 This is a schematic diagram of the structure of the back of the overall device of the present invention; Figure 6 This is a partial structural schematic diagram of the heat exchange mechanism of the present invention.

[0019] In the diagram: 1. Cooling box; 2. Water inlet; 3. Water outlet; 4. Installation door; 5. Heat exchange mechanism; 51. Heat exchange pipe; 53. Connecting plate; 54. Moving cleaning block; 541. Through groove; 55. Cleaning piston cylinder; 8. Filter plate; 6. Cleaning assembly; 60. Dehydration piston cylinder; 61. Fixing plate; 62. Magnetic plate; 63. Scraper; 64. Abutting block; 65. Moving plate; 66. Spring; 67. Limiting block; 68. Clamping plate; 69. Abutting rod; 7. Linkage assembly; 70. Magnetic block; 72. Linkage plate; 73. Abutting plate; 74. Protrusion. Detailed Implementation

[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0021] like Figures 1-6As shown, the present invention provides a technical solution: a gas cooling circulating cooling water treatment device and method, including a cooling box 1, an inlet 2 installed on the top of the cooling box 1, an outlet 3 installed on the bottom of the cooling box 1, a discharge port on the left side of the cooling box 1, an installation door 4 installed on the left side of the cooling box 1, a heat exchange mechanism 5 installed inside the cooling box 1, a filter plate 8 installed on the inner wall of the cooling box 1, and a cleaning assembly 6 and a linkage assembly 7 installed inside and on the surface of the cooling box 1; the cleaning assembly 6 includes: a dehydration piston cylinder 60, the dehydration piston cylinder 60 is fixed on the right side of the cooling box 1, the output end of the dehydration piston cylinder 60 penetrates the cooling box 1, a fixing plate 61 is fixed to the output end of the dehydration piston cylinder 60, a scraper 63 is slidably connected to the outer surface of the fixing plate 61, a magnetic plate 62 is fixed to the top of the scraper 63, and the magnetic plate 62 is magnetically connected to the fixing plate 61, the filter... A contact block 64 is fixed to the top of plate 8. A groove is provided on the side of scraper 63 near fixed plate 61. A movable plate 65 is slidably connected to the inner wall of the groove. A spring 66 is fixed to the outer surface of movable plate 65. The end of spring 66 away from movable plate 65 is fixed to the inner wall of the groove. A limit block 67 is installed on the side of movable plate 65 away from spring 66. A connecting groove is provided on the side of fixed plate 61 near scraper 63. A retaining plate 68 is fixed to the inner wall of connecting groove. A contact rod 69 is fixed to the right side of the inner wall of cooling box 1. The contact rod 69 passes through fixed plate 61. The cross-section of limit block 67 is a right triangle. The bottom of the end of retaining plate 68 away from fixed plate 61 is set as a slope. The side of contact block 64 near scraper 63 is set as a slope. Dehydration piston cylinder 60 drives fixed plate 61 and scraper 63 to move back and forth. Scraper 63 is magnetically connected to fixed plate 61 through magnetic plate 62. The moving plate 65, spring 66, limit block 67 and clamping plate 68 form a one-way locking structure, which, together with the abutment block 64, enables the scraper 63 to automatically lift and lock at the end of the stroke, preventing solid impurities from being brought back during the return stroke; the abutment rod 69 on the right side is used to release the limit, so that the scraper 63 can re-adhere to the filter plate 8 after resetting, realizing fully automatic cycle cleaning.

[0022] The linkage component 7 includes a magnetic block 70, which is magnetically connected to a magnetic plate 62. A linkage plate 72 is fixed to the outer surface of the magnetic block 70 and slidably connected to the outer surface of the scraper 63. An abutment plate 73 is fixed to the outer surface of the linkage plate 72, and the outer surface of the abutment plate 73 is sloped. A protrusion 74 is fixed to the inner wall of the cooling box 1. The magnetic block 70 moves with the magnetic plate 62, causing the linkage plate 72 and the abutment plate 73 to move synchronously. The protrusion 74 is fixed to the inner wall of the cooling box 1 and is used to cooperate with the slope of the abutment plate 73 to convert the horizontal movement into a vertical lifting and lowering action, providing a power basis for the subsequent vibration filter plate 8 function.

[0023] It is worth noting that the heat exchange mechanism 5 includes: a heat exchange pipe 51, a connecting plate 53, a movable cleaning block 54, and a cleaning piston cylinder 55. The heat exchange pipe 51 penetrates the side wall of the cooling box 1, and its input and output ends are located outside the cooling box 1. The movable cleaning block 54 has a cylindrical groove matching the size of the heat exchange pipe 51, and is slidably mounted on the heat exchange pipe 51. The movable cleaning block 54 has a through groove 541 for cleaning the end area of ​​the heat exchange pipe 51 located inside the cooling box 1. Multiple sets of movable cleaning blocks 54 are arranged in an array. The tops of the multiple sets of movable cleaning blocks 54 are fixed to the connecting plate 53. The cleaning piston cylinder 55 is detachably mounted on the outer wall of the cooling box 1, and its output shaft penetrates the side wall of the cooling box 1 and is fixed to the outer wall of the connecting plate 53. As one application of this embodiment: First, connect the input and output ends of the gas to the inlet 2 and outlet 3 of the cooling box 1, respectively, and then inject gas cooling circulating cooling water into the cooling box 1. When the gas cooling circulating cooling water passes through the heat exchange pipe 51, the heat exchange pipe 51 exchanges heat with the gas cooling circulating cooling water to achieve waste heat circulation. The cleaning piston cylinder 55 is periodically started, and the moving cleaning block 54 is pushed to slide on the heat exchange pipe 51 through the connecting plate 53. The moving cleaning block 54 periodically cleans the impurities and dirt attached to the heat exchange pipe 51, which can improve the heat exchange efficiency between the heat exchange pipe 51 and the gas cooling circulating cooling water, avoid the problem of low heat exchange rate caused by impurities and dirt, and is more green and environmentally friendly.

[0024] The gas cooling circulating cooling water passes through filter plate 8, where solid impurities in the cooling water are separated and dehydrated. When dehydration is complete, installation door 4 is opened, activating the dehydration piston cylinder 60 to reciprocate. As the fixed plate 61 moves closer to installation door 4, scraper 63 moves synchronously to scrape away solid impurities, allowing them to be discharged through the outlet. When scraper 63 is at its leftmost position, its bottom contacts the inclined surface of contact block 64, causing it to move upwards. At this point, magnetic plate 62 separates from fixed plate 61. Simultaneously, as scraper 63 moves upwards, moving plate 65 and limiting block 67 move synchronously. The inclined surface of limiting block 67 contacts the inclined surface of clamping plate 68, causing moving plate 65 to move and spring 66 to compress. When the position of the limiting block 67 is parallel to the clamping plate 68, the spring 66 is released, which can drive the moving plate 65 and the limiting block 67 to reset. The plane side of the limiting block 67 abuts against the plane side of the clamping plate 68, thereby limiting the scraper 63 and causing the scraper 63 to disengage from the filter plate 8. When the fixed plate 61 drives the scraper 63 to move to the right to reset, there will be no back-pulling phenomenon. When the fixed plate 61 resets, the abutting rod 69 is inserted into the fixed plate 61, and the end of the abutting rod 69 abuts against the outer surface of the moving plate 65, which can cause the limiting block 67 to disengage from the clamping plate 68 and release the limitation on the scraper 63. At this time, the magnetic plate 62 attracts the fixed plate 61 to reset, so that the scraper 63 re-attaches to the filter plate 8, which is convenient for continuing the cleaning work. No manual cleaning is required, which improves the cleaning efficiency. Simultaneously, when the scraper 63 moves, it drives the contact plate 73 and the connecting plate 72 to move. When the inclined surface of the contact plate 73 contacts the outer surface of the protrusion 74, the contact plate 73 and the connecting plate 72 can move upward. When the contact plate 73 separates from the protrusion 74, the magnetic block 70 and the magnetic plate 62 attract and reset, causing the connecting plate 72 to move downward and hit the filter plate 8, which can make the filter plate 8 vibrate, facilitating the scraping and cleaning of solid impurities.

[0025] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A gas cooling circulating cooling water treatment device and method, comprising a cooling tank (1), characterized in that: The cooling box (1) has a water inlet (2) installed at the top and a water outlet (3) installed at the bottom. A discharge port is located on the left side of the cooling box (1), and an installation door (4) is installed on the left side of the cooling box (1). A heat exchange mechanism (5) is installed inside the cooling box (1). A filter plate (8) is installed on the inner wall of the cooling box (1). A cleaning assembly (6) and a linkage assembly (7) are installed inside and on the surface of the cooling box (1). The cleaning assembly (6) includes: A dehydration piston cylinder (60) is fixed on the right side of the cooling box (1). The output end of the dehydration piston cylinder (60) passes through the cooling box (1). A fixing plate (61) is fixed to the output end of the dehydration piston cylinder (60). Scraper (63), the outer surface of the fixed plate (61) is slidably connected to the scraper (63), the top of the scraper (63) is fixed with a magnetic plate (62), and the magnetic plate (62) is magnetically connected to the fixed plate (61); The top of the filter plate (8) is fixed with a contact block (64), and the scraper (63) has a groove on the side near the fixing plate (61).

2. The gas cooling circulating cooling water treatment device and method according to claim 1, characterized in that: A movable plate (65) is slidably connected to the inner wall of the groove. A spring (66) is fixed to the outer surface of the movable plate (65). The end of the spring (66) away from the movable plate (65) is fixed to the inner wall of the groove. A limit block (67) is installed on the side of the movable plate (65) away from the spring (66). A connecting groove is provided on the side of the fixed plate (61) near the scraper (63).

3. The gas cooling circulating cooling water treatment device and method according to claim 4, characterized in that: A retaining plate (68) is fixed to the inner wall of the connecting groove, and an abutment rod (69) is fixed to the right side of the inner wall of the cooling box (1). The abutment rod (69) passes through the fixing plate (61).

4. The gas cooling circulating cooling water treatment device and method according to claim 3, characterized in that: The cross-section of the limiting block (67) is a right triangle, the bottom of the end of the card plate (68) away from the fixing plate (61) is set as an inclined surface, and the side of the contact block (64) near the scraper (63) is set as an inclined surface.

5. The gas cooling circulating cooling water treatment device and method according to claim 4, characterized in that: The linkage component (7) includes a magnetic block (70), which is magnetically connected to a magnetic plate (62). A linkage plate (72) is fixed on the outer surface of the magnetic block (70), and the linkage plate (72) is slidably connected to the outer surface of the scraper (63).

6. The gas cooling circulating cooling water treatment device and method according to claim 5, characterized in that: The outer surface of the connecting plate (72) is fixed with an abutment plate (73), the outer surface of the abutment plate (73) is opened as a slope, and the inner wall of the cooling box (1) is fixed with a protrusion (74).

7. The gas cooling circulating cooling water treatment device and method according to claim 1, characterized in that: The heat exchange mechanism (5) includes: A heat exchange pipe (51) penetrates the side wall of the cooling box (1), and the inlet and outlet ends of the heat exchange pipe (51) are located outside the cooling box (1). A movable cleaning block (54) is provided with a cylindrical groove that matches the size of the heat exchange pipe (51), and the movable cleaning block (54) is slidably installed on the heat exchange pipe (51). A through groove (541) is provided on the movable cleaning block (54) for cleaning the end area of ​​the heat exchange pipe (51) located in the cooling box (1). Multiple sets of the movable cleaning blocks (54) are arranged in an array. The top of the multiple sets of movable cleaning blocks (54) is fixed to the connecting plate (53). Cleaning piston cylinder (55) is detachably installed on the outer wall of cooling box (1), and the output shaft of cleaning piston cylinder (55) passes through the side wall of cooling box (1) and is fixed to the outer wall of connecting plate (53).

8. A method for circulating cooling water treatment in a gas cooling circulating cooling water treatment device as described in any one of claims 1-7, characterized in that: Includes the following steps: S1. Pipeline connection: First, connect the gas input end and output end to the water inlet (2) and water outlet (3) of the cooling box (1) respectively, and then inject gas cooling circulating cooling water into the cooling box (1). S2. Cooling and heat exchange treatment: When the gas cooling circulation cooling water passes through the heat exchange pipe (51), the heat exchange pipe (51) exchanges heat with the gas cooling circulation cooling water to realize waste heat circulation; the cleaning piston cylinder (55) is started periodically and the moving cleaning block (54) is pushed to slide on the heat exchange pipe (51) through the connecting plate (53). The moving cleaning block (54) cleans the impurities and dirt attached to the heat exchange pipe (51) periodically. S3. Dehydration and separation: The cooling water of the gas cooling circulation passes through the filter plate (8), and the cooling water is separated from the solid impurities in the cooling water to carry out dehydration. When dehydration is completed, the installation door (4) is opened, and the dehydration piston cylinder (60) is started to reciprocate. During the reciprocating motion of the dehydration piston cylinder (60), when the fixed plate (61) moves close to the installation door (4), the scraper (63) moves synchronously and scrapes and cleans the solid impurities. The solid impurities are discharged through the discharge port. When the scraper (63) is at the leftmost position, the bottom of the scraper (63) abuts against the inclined surface of the contact block (64), the scraper (63) moves upward, the magnetic plate (62) separates from the fixed plate (61), and at the same time, when the scraper (63) moves upward, the moving plate (65) and the limiting block (67) move synchronously, the inclined surface of the limiting block (67) abuts against the inclined surface of the clamping plate (68), at this time the moving plate (65) moves, the spring (66) is compressed, when the position of the limiting block (67) is parallel to the clamping plate (68), the spring (66) is released, driving the moving plate (65) and the limiting block (67) to reset, the plane side of the limiting block (67) abuts against the clamping plate (68) The plane sides of 68) abut against each other and limit the scraper (63). The scraper (63) is separated from the filter plate (8). When the fixed plate (61) drives the scraper (63) to move to the right and reset, there will be no back-carrying phenomenon. When the fixed plate (61) is reset, the abutting rod (69) is inserted into the fixed plate (61) and the end of the abutting rod (69) abuts against the outer surface of the moving plate (65). This allows the limiting block (67) to be separated from the card plate (68) and the limitation on the scraper (63) is released. At this time, the magnetic plate (62) attracts the fixed plate (61) to reset, so that the scraper (63) is re-attached to the filter plate (8) and the cleaning work continues. At the same time, when the scraper (63) moves, it drives the contact plate (73) and the connecting plate (72) to move. When the inclined surface of the contact plate (73) contacts the outer surface of the protrusion (74), the contact plate (73) and the connecting plate (72) move upward. When the contact plate (73) separates from the protrusion (74), the magnetic block (70) and the magnetic plate (62) attract and reset, and the connecting plate (72) moves downward to hit the filter plate (8), causing the filter plate (8) to vibrate.

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