Dehydrator

Abstract

The utility model discloses a dehydrator, which relates to the technical field of dehydrators and comprises a casing, a filter cartridge is arranged in the casing, an opening is arranged on at least one end face of the filter cartridge, a water inlet pipe is arranged on the casing, the water inlet pipe extends into the filter cartridge through the opening, a bearing structure is arranged in the filter cartridge, and the bearing structure is connected with the filter cartridge. A blow-off pipe, a driving assembly and a cleaning assembly are arranged on the machine shell, the blow-off pipe is communicated with the bearing structure, the driving assembly is used for driving the filter cartridge to rotate, the cleaning assembly comprises a spraying pipe, the spraying pipe is arranged above the filter cartridge, a plurality of sprayers are arranged on the spraying pipe, the spraying pipe is communicated with a water outlet of a spraying water pump, and a spraying inlet pipe is arranged at a water inlet of the spraying water pump; and the lower end of the spraying inlet pipe extends to the inner bottom of the shell. Impurities on the filter cartridge are cleaned by water flow, so that the flowability of the impurities is improved, blockage is avoided, and the discharge efficiency of the impurities can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a dewatering machine technical field, concretely relates to a dewatering machine. BACKGROUND

[0002] The dewatering machine is a kind of equipment for reducing the water content in material.

[0003] According to different dewatering principles, the dewatering machine is divided into vacuum dewatering machine, stacked screw dewatering machine, pressure dewatering machine and centrifugal filter dewatering machine.The vacuum dewatering machine is to evaporate the water in material by using the evaporation under negative pressure environment.The stacked screw dewatering machine is to extrude the water from material by using the helical rod with gradually reduced pitch.The pressure dewatering machine is to extrude the water from material by using pressure difference.The centrifugal filter dewatering machine is to throw the water from filter hole of filter cylinder by rotating filter cylinder, and the material is intercepted in the inside of filter cylinder.

[0004] For the centrifugal filter dewatering machine, the inside of the casing is provided with a filter cylinder, and the end face of the filter cylinder is provided with an open mouth;the casing is provided with a water inlet pipe, and the water inlet pipe enters the inside of the filter cylinder through the open mouth;the casing is provided with a driving assembly for driving the filter cylinder to rotate;by the rotation of the filter cylinder, the water can be thrown from the filter hole of the filter cylinder, and the material in water is thrown on the inner wall of the filter cylinder, and with the extension of use time, the filter hole of the filter cylinder is gradually blocked, which affects the normal dewatering efficiency.

[0005] Through search, it is found that in the patent with announcement number CN221535813U, a sewage treatment device convenient to filter is disclosed, referring to Figure 14 The device includes a cleaning assembly, which sprays air from the top to the bottom of the filter cylinder to make the impurities blocking the filter hole of the filter cylinder fall off, and the fallen impurities fall into the sewage receiving hopper, and the bottom of the sewage receiving hopper is provided with a sewage discharge pipe 15, and the impurities in the sewage receiving hopper are discharged through the sewage discharge pipe 15, so that the filter hole of the filter cylinder can be dredged through the process.

[0006] However, the above-mentioned device uses air to clean the impurities on the filter cylinder, so that the water content of the impurities falling into the sewage receiving hopper is small, the flowability of the impurities is reduced, the impurities are easily blocked in the sewage receiving hopper and the sewage discharge pipe, and the discharge efficiency of the impurities is reduced. UTILITY MODEL CONTENTS

[0007] The utility model in the present application proposes a dewatering machine for the above-mentioned deficiencies in the prior art, which uses water flow to clean the impurities on the filter cylinder, increases the flowability of the impurities, avoids blockage, and can improve the discharge efficiency of the impurities.

[0008] In order to achieve the above-mentioned purpose, the utility model adopts the technical scheme that

[0009] A kind of dehydrator, the inside of the shell is equipped with filter cartridge, at least one end face of filter cartridge is equipped with open mouth, water inlet pipe is equipped on the shell, water inlet pipe is extended into the inside of filter cartridge by open mouth, the inside of filter cartridge is equipped with receiving structure, the shell is equipped with blow-off pipe, drive assembly and cleaning assembly, blow-off pipe is communicated with receiving structure, drive assembly is used to drive filter cartridge rotation, cleaning assembly includes spray pipe, spray pipe is located above filter cartridge, spray pipe is equipped with several spray heads, spray pipe is communicated with the water outlet of spray water pump, the water inlet of spray water pump is equipped with spray inlet pipe, the lower end of spray inlet pipe extends to the inside bottom of shell.

[0010] Further, the cleaning assembly further includes a spray frame, the spray frame is arranged on the side wall of the shell, and the spray frame is provided with the spray water pump and the spray pipe.

[0011] Further, the receiving structure adopts a receiving groove, the receiving groove extends into the inside of the filter cartridge through the open mouth, and the end of the receiving groove is communicated with the blow-off pipe.

[0012] Further, the inside of the receiving groove is provided with a spiral feeding rod, the side wall of the shell is provided with a feeding motor, one end of the spiral feeding rod is connected with the feeding motor, one end of the receiving groove is bent downward to form a discharge end, and the discharge end is communicated with the blow-off pipe.

[0013] Further, the filter cartridge is provided with the open mouth at both ends, one end of the receiving groove provided with the discharge end and one end of the receiving groove away from the discharge end both pass through the open mouth, one end of the receiving groove provided with the discharge end and one end of the receiving groove away from the discharge end are both connected with the side wall of the shell, and both ends of the spiral feeding rod are rotatably connected with the side wall of the shell.

[0014] Further, one side groove wall of the receiving groove is provided with a scraper, and the scraper is matched with the inner side wall of the filter cartridge.

[0015] Further, the filter cartridge includes a cartridge frame, at least one end face of the cartridge frame is provided with the open mouth, the outer side of the cartridge frame is wrapped with a filter layer, and both ends of the filter layer are connected with the cartridge frame by means of a clamp.

[0016] Further, the cartridge frame is provided with a plurality of cartridge rods uniformly distributed along the circumference, the inner side edge of the cartridge rod is provided with an arc-shaped corner, the outer side of the receiving groove is provided with a first seat body, the outer side of the scraper is provided with a second seat body, a guide rod is arranged on the second seat body, the guide rod penetrates downward through the first seat body, the guide rod is slidably matched with the first seat body, a return spring is sleeved on the guide rod, the upper end of the return spring abuts against the first seat body, the lower end of the return spring abuts against the second seat body, and the scraper is matched with the arc-shaped corner.

[0017] Further, the driving assembly comprises a driving motor, a main gear, a secondary gear and a support seat, the driving motor is arranged on the side wall of the shell, the output end of the driving motor is provided with the main gear, the secondary gear is arranged on one end of the filter cartridge, the main gear is engaged with the secondary gear, and the side wall of the shell is provided with the support seat in sliding fit with the outer side wall of the filter cartridge.

[0018] The utility model has the beneficial effect as follows:

[0019] 1. The dewatering machine uses water flow to clean the impurities blocking the filter cartridge, increases the mobility of the impurities, avoids the impurities from blocking the receiving groove and the blow-off pipe, and improves the discharge efficiency of the impurities.

[0020] 2. In the dewatering machine, the spraying water is from the water filtered by the filter cartridge, realizes the reuse of water, and does not need to find another water source, which is convenient to use.

[0021] 3. When the feeding motor is started, the feeding motor drives the spiral feeding rod to rotate, the spiral feeding rod transports the impurities in the receiving groove to the front end of the receiving groove, so that the impurities in the receiving groove can not only be discharged to the blow-off pipe under the washing of the spraying water, but also be discharged through the discharge end and the blow-off pipe under the pushing of the spiral feeding rod, further reduces the risk of impurity blockage, and further improves the discharge efficiency.

[0022] 4. When the filter cartridge is a cylindrical structure rolled by a perforated plate, the cleaning effect on the filter cartridge can be further improved under the joint action of the cleaning assembly and the scraper.

[0023] 5. When the filter cartridge comprises a cartridge frame and a filter layer, and the filter layer is connected to the cartridge frame through a clamp, after the clamp is removed, the filter layer wrapped outside the cartridge frame can be replaced, which is convenient to maintain.

[0024] 6. When the filter cartridge comprises a cartridge frame and a filter layer, and the middle part of the cartridge frame is provided with a plurality of circumferentially distributed cartridge rods, the scraper of the utility model can avoid the cartridge rods and scrape off the impurities on the inner side wall of the filter layer, and the adaptability and flexibility of cleaning different structures of filter cartridges are improved. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a perspective view of the dewatering machine Figure 1 ;

[0026] Figure 2 is a perspective view of the dewatering machine Figure 2 ;

[0027] Figure 3 is a perspective view of the dewatering machine without the cover plate Figure 1 ;

[0028] Figure 4is a perspective view of the dewatering machine without the cover plate Figure 2 ;

[0029] Figure 5 is a plan view of the dewatering machine without the cover plate

[0030] Figure 6 is a perspective view of the dewatering machine without the casing Figure 1 ;

[0031] Figure 7 is a perspective view of the dewatering machine without the casing Figure 2 ;

[0032] Figure 8 is a perspective view of the hoop

[0033] Figure 9 is Figure 8 a partial enlarged view of A in FIG. 4

[0034] Figure 10 is a perspective view of the dewatering machine without the casing and the filter layer

[0035] Figure 11 is a front view of the dewatering machine without the casing and the filter layer

[0036] Figure 12 is Figure 11 a sectional view of B-B in FIG. 5

[0037] Figure 13 is Figure 12 a partial enlarged view of C in FIG. 6

[0038] Figure 14 is a structural schematic diagram of the background art.

[0039] Explanation of reference numerals:

[0040] 1 - casing, 11 - opening, 12 - cover plate, 121 - handle, 13 - drain pipe, 14 - water inlet pipe, 141 - water delivery pump, 1411 - delivery pipe, 15 - sewage pipe, 16 - cleaning pipe, 161 - cover,

[0041] 21 - cylinder holder, 211 - open end, 212 - cylinder rod, 2121 - arc angle, 213 - annular groove, 214 - annular slide rail, 22 - filter layer, 23 - hoop, 231 - ear plate, 232 - screw rod, 233 - nut,

[0042] 31 - driving motor, 32 - main gear, 33 - auxiliary gear, 34 - support seat,

[0043] 41 - cross beam, 42 - vertical beam, 43 - spraying water pump, 431 - spraying inlet pipe, 432 - water delivery pipe, 44 - spraying pipe, 45 - spray head,

[0044] 5-receiving groove, 51-spiral feeding rod, 511-feeding motor, 52-discharge end, 53-scraper, 531-second seat body, 532-guide rod, 533-return spring, 534-limiting block, 54-first seat body. DETAILED DESCRIPTION

[0045] In order to better understand the present application, the present application will be further described below in conjunction with the accompanying drawings. It should be noted that in the description of the present application, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0046] Example 1:

[0047] Referring to Figure 1 , Figure 2 , Figure 3 and Figure 4 , a dehydrator comprises a casing 1, the top of the casing 1 is provided with an opening 11 and a cover plate 12, the cover plate 12 is used to cover the opening 11. After taking away the cover plate 12, the opening 11 is exposed, and the worker can see the internal structure of the casing 1 from the opening 11, so as to maintain and repair the internal structure of the casing 1.

[0048] Referring to Figure 1 and Figure 2 , in order to facilitate the taking away of the cover plate 12, a handle 121 is fixedly installed (for example, can be fixed by welding) on the top of the cover plate 12.

[0049] Referring to Figure 1 , a water inlet pipe 14 is fixedly installed in the middle of the front side wall of the casing 1. One end of the water inlet pipe 14 located outside the casing 1 is in communication with the water outlet of a conveying water pump 141, and the water inlet of the conveying water pump 141 is in communication with a conveying pipe 1411, which is used to extend into a water body (the water body can be a landscape pond, or a reservoir, or a wastewater pool).

[0050] Referring to Figure 1 , a sewage pipe 15 is fixedly installed in the middle of the front side wall of the casing 1, and the sewage pipe 15 is arranged above the water inlet pipe 14.

[0051] Referring to Figure 1The bottom of the front side wall of the casing 1 is fixedly provided with a cleaning pipe 16, which is in communication with the inside of the casing 1, and the outside of the cleaning pipe 16 is provided with a cover 161 which is threadedly connected with the cleaning pipe 16. After the cover 161 is opened, the water in the inside of the casing 1 can be discharged through the cleaning pipe 16.

[0052] Referring to Figure 2 The bottom of the left side wall of the casing 1 is fixedly provided with a drain pipe 13 which is in communication with the inside of the casing 1.

[0053] Referring to Figure 3 、 Figure 4 and Figure 5 The inside of the casing 1 is provided with a filter cylinder. The filter cylinder is provided with an open end 211 at the front end face, or the filter cylinder is provided with open ends 211 at the front end face and the rear end face. In the embodiment, referring to Figure 6 and Figure 7 The filter cylinder is provided with open ends 211 at the front end face and the rear end face.

[0054] Referring to Figure 7 The water inlet pipe 14 located at the front side wall of the casing 1 extends into the inside of the filter cylinder through the open end 211 at the front end face of the filter cylinder. After the water delivery pump 141 is started, the water delivery pump 141 can send the water in the water body into the inside of the filter cylinder through the water inlet pipe 14.

[0055] The casing 1 is provided with a driving assembly for driving the filter cylinder to rotate. Through the rotation of the filter cylinder, the impurities in the water are thrown to the cylinder wall of the filter cylinder under the action of centrifugal force, so that the impurities are filtered and dewatered. At the same time, the filtered clean water enters the inside bottom of the casing 1 through the filter holes on the cylinder wall of the filter cylinder, and then is discharged through the water inlet pipe 14.

[0056] The driving assembly comprises a driving motor 31, a main gear 32, a secondary gear 33 and a support seat 34. Referring to Figure 4 The driving motor 31 is fixedly installed on the rear side wall of the casing 1, the output end of the driving motor 31 penetrates through the rear side wall of the casing 1, and the output end of the driving motor 31 is rotatably connected with the rear side wall of the casing 1 through a bearing. Referring to Figure 3 After the output end of the driving motor 31 extends into the casing 1, the output end of the driving motor 31 is fixedly provided with the main gear 32, the secondary gear 33 is fixedly installed on the outside wall of the rear end of the filter cylinder, and the main gear 32 is engaged with the secondary gear 33. Referring to Figure 6 and Figure 7 The front end and the rear end of the filter cylinder are both fixedly provided with annular slide rails 214, referring to Figure 5 The left side wall and the right side wall of the casing 1 are both fixedly provided with the support seats 34, the support seats 34 are provided with dovetail grooves, and the annular slide rails 214 are slidably matched with the dovetail grooves.

[0057] When the driving motor 31 is started, the driving motor 31 drives the main gear 32 to rotate. Since the main gear 32 is engaged with the secondary gear 33, the secondary gear 33 drives the filter cartridge to rotate. In the process of rotating the filter cartridge, the annular slide rail 214 on the filter cartridge slides relative to the support seat 34.

[0058] The inside of the casing 1 is provided with a cleaning assembly. Referring to Figure 6 、 Figure 7 and Figure 11 , the cleaning assembly comprises a spraying frame, a spraying water pump 43, a spraying pipe 44 and a spraying head 45. The spraying frame comprises a horizontal beam 41 and a vertical beam 42. The left end of the horizontal beam 41 is fixedly installed on the left side wall of the casing 1, the right end of the horizontal beam 41 is fixedly installed on the right side wall of the casing 1, and the vertical beam 42 is fixedly installed on the left side of the horizontal beam 41. The lower end of the vertical beam 42 is fixedly installed with the spraying water pump 43. The water inlet of the spraying water pump 43 is communicated with a spraying inlet pipe 431. The lower end of the spraying inlet pipe 431 extends to the inside bottom of the casing 1, and the height of the lower end of the spraying inlet pipe 431 is lower than the height of the drain pipe 13, so that the spraying water pump 43 can draw water from the inside bottom of the casing 1. The water outlet of the spraying water pump 43 is communicated with the spraying pipe 44 through a water delivery pipe 432. The spraying pipe 44 is arranged above the filter cartridge. The front end of the spraying pipe 44 is fixedly installed on the front side wall of the casing 1, the rear end of the spraying pipe 44 is fixedly installed on the rear side wall of the casing 1, and the front part of the spraying pipe 44 is placed on the horizontal beam 41. A plurality of spraying heads 45 are installed on the spraying pipe 44.

[0059] The inside of the casing 1 is provided with a receiving structure, which adopts a receiving groove 5.

[0060] In the first case, when only the front end face of the filter cartridge is provided with an opening 211, the front end of the receiving groove 5 is fixedly installed on the front side wall of the casing 1, the rear end of the receiving groove 5 extends into the inside of the filter cartridge through the opening 211 of the front end face of the filter cartridge, and the front end of the receiving groove 5 is communicated with the blowdown pipe 15 on the front side wall of the casing 1. In this case, the rear end of the receiving groove 5 is in a suspended state.

[0061] The second case is adopted in the embodiment. Referring to Figure 6 and Figure 7 , in the second case, the front end face and the rear end face of the filter cartridge are both provided with an opening 211. The front end and the rear end of the receiving groove 5 both pass through the openings 211. The front end of the receiving groove 5 is fixedly installed on the front side wall of the casing 1, the rear end of the receiving groove 5 is fixedly installed on the rear side wall of the casing 1, and the front end of the receiving groove 5 is communicated with the blowdown pipe 15 on the front side wall of the casing 1. Compared with the first case, since the rear end of the receiving groove 5 is not in a suspended state, the stability of the receiving groove 5 can be improved.

[0062] The principle of the dehydration machine in the dehydration process is as follows:

[0063] The water pump 141 and the driving assembly are started, the water pump 141 sends the water in the water body to the inside of the filter cylinder through the water inlet pipe 14, the driving assembly drives the filter cylinder to rotate, the impurities in the water are thrown to the cylinder wall of the filter cylinder under the action of the centrifugal force, the dehydration of the impurities is realized, the clean water enters the inside bottom of the casing 1 through the filter hole on the cylinder wall of the filter cylinder, and the clean water in the inside bottom of the casing 1 is discharged through the drain pipe 13. Through the process, the water quality of the water body can be improved.

[0064] The principle of the dehydration machine in the embodiment when the filter cylinder is cleaned is as follows:

[0065] The spray water pump 43 and the driving assembly are started, the clean water in the inside bottom of the casing 1 is pumped into the spray pipe 44 by the spray water pump 43, and then sprayed to the upper side of the filter cylinder by the spray head 45. The driving assembly drives the filter cylinder to rotate, the water sprayed by the spray head 45 washes the impurities clogging the filter cylinder into the receiving groove 5, and the impurities in the receiving groove 5 are discharged from the drain pipe 15 under the washing of the spray water.

[0066] Through the above working principle, it can be known that the embodiment has the following effects:

[0067] Compared with the background art, the dehydration machine of the embodiment uses water flow to clean the impurities clogging the filter cylinder, increases the flowability of the impurities, avoids the impurities from clogging the receiving groove 5 and the drain pipe 15, and can improve the discharge efficiency of the impurities.

[0068] In addition, in the dehydration machine of the embodiment, the spray water comes from the water filtered by the filter cylinder, realizes the reuse of water, does not need to find another water source, and is convenient to use.

[0069] Embodiment 2:

[0070] The embodiment 2 is further improved on the basis of the embodiment 1:

[0071] In the first case, only the front end surface of the filter cylinder is provided with an opening 211, the front end of the receiving groove 5 is downwardly bent to have a discharge end 52, the discharge end 52 is communicated with the drain pipe 15, the rear end of the receiving groove 5 extends into the inside of the filter cylinder from the opening 211, and the rear end of the receiving groove 5 is in a suspended state. The inside of the receiving groove 5 is provided with a spiral feeding rod 51, the front end of the spiral feeding rod 51 penetrates the front side wall of the casing 1, the front end of the spiral feeding rod 51 is rotationally connected with the front side wall of the casing 1 through a bearing, the front end of the spiral feeding rod 51 is connected with the output end of a feeding motor 511, and the feeding motor 511 is fixedly installed on the front side wall of the casing 1.

[0072] In this first case, because the rear end of the receiving groove 5 is in a suspended state, the stability of the receiving groove 5 needs to be improved, so that the stability of the spiral feeding rod 51 in the receiving groove 5 also needs to be improved.

[0073] The second case, see Figure 6 and Figure 7 The front and rear ends of the filter cartridge are provided with openings 211, the front and rear ends of the receiving groove 5 pass through the openings 211, the front end of the receiving groove 5 is bent downward to form a discharge end 52, the discharge end 52 is fixedly connected to the front side wall of the shell 1, the discharge end 52 is in communication with the drain pipe 15, and the rear end of the receiving groove 5 is fixedly connected to the rear side wall of the shell 1. The inside of the receiving groove 5 is provided with a spiral feeding rod 51, both ends of the spiral feeding rod 51 are rotatably connected to the side wall of the shell 1, the rear end of the spiral feeding rod 51 is connected to the output end of a feeding motor 511, see Figure 2 The feeding motor 511 is fixedly installed on the rear side wall of the shell 1.

[0074] In this second case, because the front and rear ends of the receiving groove 5 are no longer in a suspended state, the stability of the receiving groove 5 is improved, and the stability of the spiral feeding rod 51 located in the receiving groove 5 can also be improved.

[0075] Whether it is the first case or the second case, when the feeding motor 511 is started, the feeding motor 511 drives the spiral feeding rod 51 to rotate, the spiral feeding rod 51 transports the impurities in the receiving groove 5 to the front end of the receiving groove 5, so that the impurities in the receiving groove 5 can not only be washed out by the spray water and discharged through the drain pipe 15, but also can be pushed by the spiral feeding rod 51 to pass through the discharge end 52 and the drain pipe 15, further reducing the risk of impurities blocking, and further improving the discharge efficiency.

[0076] Embodiment 3:

[0077] This embodiment 3 is further improved on the basis of embodiment 1 or embodiment 2:

[0078] In this embodiment, the filter cartridge is a cylindrical structure rolled by a porous plate, and end plates are fixedly welded to the front and rear ends of the cylindrical structure. The end plate at the front end and / or the rear end of the cylindrical structure is provided with an opening 211.

[0079] A scraper 53 is fixedly installed on the left side wall of the receiving groove 5, and the upper end of the scraper 53 abuts against the inner side wall of the filter cartridge.

[0080] When the driving assembly drives the filter cartridge to rotate counterclockwise, the impurities on the inner side wall of the filter cartridge that are not washed away by the spray water are scraped into the inside of the receiving groove 5 by the scraper 53.

[0081] As can be seen from the above introduction, when the filter cartridge is a cylindrical structure rolled by a porous plate, the cleaning effect of the filter cartridge can be further improved under the joint action of the cleaning assembly and the scraper 53.

[0082] Embodiment 4:

[0083] The embodiment 4 is further improved on the basis of the embodiment 1 or the embodiment 2.

[0084] In the embodiment, referring to Figure 10 、 Figure 11 and Figure 12 , the filter cartridge comprises a cartridge frame 21, and the front end and / or the rear end of the cartridge frame 21 is provided with the opening 211. The front end and the rear end of the cartridge frame 21 are both provided with an annular groove 213 and the annular slide rail 214. The middle part of the cartridge frame 21 is provided with a plurality of cartridge rods 212 distributed in the circumferential direction, referring to Figure 13 , the inner side edge of the cartridge rod 212 is provided with an arc-shaped corner 2121.

[0085] Referring to Figure 6 and Figure 7 , the cartridge frame 21 further comprises a filter layer 22 wrapped outside the cartridge frame 21, and both ends of the filter layer 22 are connected with the cartridge frame 21 through a hoop 23. The hoop 23 tightly clamps the front end and the rear end of the filter layer 22 in the annular groove 213, referring to Figure 8 , the hoop 23 is an open 11 annular structure, referring to Figure 9 , the open 11 is provided with two ear plates 231, and the two ear plates 231 are penetrated by a screw rod 232, the upper end and the lower end of the screw rod 232 are both threadedly connected with a nut 233, and the two nuts 233 clamp the two ear plates 231 in the middle, so that the openings 11 of the hoop 23 are close to each other, so that the hoop 23 can tightly clamp the front end and the rear end of the filter layer 22 in the annular groove 213.

[0086] After the hoop 23 is removed, the filter layer 22 wrapped outside the cartridge frame 21 can be replaced, which is convenient for maintenance.

[0087] Referring to Figure 13 , the left groove wall of the receiving groove 5 is fixedly installed with a first seat body 54, the left groove wall of the receiving groove 5 is provided with a scraper 53, the outer side of the scraper 53 is fixedly installed with a second seat body 531, the second seat body 531 is fixedly installed with a guide rod 532, the guide rod 532 penetrates downward through the first seat body 54, the guide rod 532 is in sliding fit with the first seat body 54, the guide rod 532 is sleeved with a reset spring 533, the upper end of the reset spring 533 abuts against the first seat body 54, and the lower end of the reset spring 533 abuts against the second seat body 531. The lower end of the guide rod 532 is provided with a limiting block 534, and the limiting block 534 is below the first seat body 54, and the limiting block 534 is used to prevent the guide rod 532 from completely leaving the first seat body 54 upward.

[0088] When the driving assembly drives the filter cartridge to rotate counterclockwise, the scraper 53 abuts against the inner side wall of the filter layer 22 in the filter cartridge, and the scraper 53 scrapes the impurities on the inner side wall of the filter layer 22 into the interior of the receiving groove 5; when the scraper 53 contacts the barrel rod 212 of the cartridge frame 21, the arc-shaped corner 2121 on the barrel rod 212 guides the scraper 53 to move downward along the arc of the arc-shaped corner 2121, in the process, the scraper 53 drives the second seat body 531 to move downward, the second seat body 531 drives the guide rod 532 to move downward against the elastic force of the reset spring 533, and the guide rod 532 slides downward relative to the first seat body 54; after the scraper 53 slides through the barrel rod 212, the second seat body 531 drives the scraper 53 to move upward under the elastic force of the reset spring 533, so that the upper end of the scraper 53 recontacts the inner side wall of the filter layer 22 to perform the scraping operation.

[0089] It can be known from the above introduction that when the filter cartridge comprises the cartridge frame 21 and the filter layer 22, and the middle part of the cartridge frame 21 is provided with a plurality of circumferentially distributed barrel rods 212, the scraper 53 of the embodiment can avoid the barrel rods 212 and scrape the impurities on the inner side wall of the filter layer 22, thereby improving the adaptability and flexibility of cleaning filter cartridges with different structures.

[0090] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and equivalent technologies thereof, the present application also intends to include these modifications and variations.

Claims

1. A dehydrator, comprising a casing, an inside of the casing is provided with a filter drum, at least one end face of the filter drum is provided with an opening, the casing is provided with a water inlet pipe, the water inlet pipe extends into the inside of the filter drum through the opening, the inside of the filter drum is provided with a receiving structure, the casing is provided with a sewage pipe, a driving assembly and a cleaning assembly, the sewage pipe is communicated with the receiving structure, the driving assembly is used for driving the filter drum to rotate, characterized in that, The cleaning assembly comprises a spray pipe arranged above the filter cartridge, a plurality of spray heads arranged on the spray pipe, the spray pipe being communicated with a water outlet of a spray water pump, and a spray inlet pipe arranged on a water inlet of the spray water pump, the lower end of the spray inlet pipe extending to the bottom inside the casing.

2. A dewatering machine according to claim 1, characterised in that The cleaning assembly further comprises a spray frame arranged on the side wall of the casing, the spray frame being provided with the spray water pump and the spray pipe.

3. A dewatering machine according to claim 1, wherein, The receiving groove is arranged inside the receiving groove, and the end of the receiving groove is communicated with the blowdown pipe.

4. A dewatering machine according to claim 3, wherein, The inside of the receiving groove is provided with a spiral feeding rod, the side wall of the casing is provided with a feeding motor, the feeding motor is connected with one end of the spiral feeding rod, one end of the receiving groove is bent downward to form a discharge end, and the discharge end is communicated with the blowdown pipe.

5. A dewatering machine according to claim 4, characterised in that The filter cartridge is provided with the open end at both ends, one end of the receiving groove provided with the discharge end and the other end of the receiving groove away from the discharge end both pass through the open end, one end of the receiving groove provided with the discharge end and the other end of the receiving groove away from the discharge end are both connected with the side wall of the casing, and both ends of the spiral feeding rod are rotatably connected with the side wall of the casing.

6. A dewatering machine according to claim 3, wherein, One side wall of the receiving groove is provided with a scraper, and the scraper is matched with the inner side wall of the filter cartridge.

7. A dewatering machine according to claim 6, characterised in that The filter cartridge comprises a cartridge frame, at least one end face of the cartridge frame is provided with the open end, the outer side of the cartridge frame is wrapped with a filter layer, and both ends of the filter layer are connected with the cartridge frame through a clamp.

8. A dewatering machine according to claim 7, characterised in that The cartridge frame is provided with a plurality of cartridge rods uniformly distributed in the circumferential direction, the inner side edge of the cartridge rod is provided with an arc-shaped corner, the outer side of the receiving groove is provided with a first seat body, the outer side of the scraper is provided with a second seat body, a guide rod is arranged on the second seat body, the guide rod penetrates downward through the first seat body, the guide rod is in sliding fit with the first seat body, a return spring is sleeved on the guide rod, the upper end of the return spring abuts against the first seat body, the lower end of the return spring abuts against the second seat body, and the scraper is matched with the arc-shaped corner.

9. A dewatering machine according to claim 1, wherein, The driving assembly comprises a driving motor, a main gear, a secondary gear and a support seat, the driving motor is arranged on the side wall of the casing, the output end of the driving motor is provided with the main gear, the secondary gear is arranged at one end of the filter cartridge, the main gear is engaged with the secondary gear, the support seat is arranged on the side wall of the casing and is in sliding fit with the outer side wall of the filter cartridge.

Images