CN210560042U

CN210560042U - Pretreatment device for deep dehydration of sludge

Info

Publication number: CN210560042U
Application number: CN201921593516.6U
Authority: CN
Inventors: 高才
Original assignee: Nanjing Langxi Environmental Protection Technology Co ltd
Current assignee: Nanjing Langxi Environmental Protection Technology Co ltd
Priority date: 2019-09-24
Filing date: 2019-09-24
Publication date: 2020-05-19
Anticipated expiration: 2029-09-24

Abstract

The utility model discloses a preprocessing device of mud degree of depth dehydration, the power distribution box comprises a box body, one side upper portion and the lower part of box are fixedly connected with feed inlet and outlet respectively, the opposite side fixedly connected with discharge gate of box, the opposite side sliding connection of clamp plate and box, it is equipped with carborundum hot plate to inlay on the inside of the box that corresponds between drain bar and the filter. The device passes through the filter, the slide bar, adjust the pole, the scraper blade and the mating reaction of scraping the tooth, filter efficiency has effectively been guaranteed and has been avoided blockking up, be convenient for improve sludge dewatering efficiency and sludge treatment quality, through fixed frame, the clamp plate, the locating piece, the constant head tank, the mating reaction of push rod and fixed orifices, be convenient for squeeze sludge, moisture in the mud passes through the wash port and discharges fast under consolidation stress effect, thereby reach the mesh of degree of depth dehydration, the inside heat of box is dried the evaporation to the moisture of mud simultaneously, and then sludge dewatering efficiency has been improved greatly.

Description

Pretreatment device for deep dehydration of sludge

Technical Field

The utility model belongs to the technical field of sludge treatment, concretely relates to preprocessing device of mud degree of depth dehydration.

Background

The sludge of the sewage plant is municipal sludge, the municipal sludge has high cellular water content and has heat productivity, if the sludge is sold to a power plant as fuel, 2000-3300 kilocalories of heat can be generated per ton of dry sludge, currently, 5500 kilocalories of heat fire coal is sold to about 800 yuan per ton in China, the consumption is very large every day, the sludge is finally treated in an efficient and environment-friendly manner, and the sludge is used as the fuel to exert the self-maximized utilization rate, so that the renewable energy is really realized.

At present, the existing and developing sludge deep dehydration technology at home and abroad is developed based on plate frame dehydration. Generally, 77-83% of dewatered sludge is added with water and is subjected to size mixing treatment to enable the dewatered sludge to reach a flowing state which can be operated by a plate-and-frame dewatering machine, a flocculating agent is added to enable the dewatered sludge to form flocs, and then the flocs are subjected to plate-and-frame mechanical filter pressing. In order to further improve the mechanical efficiency, some methods perform a leaching treatment before flocs are formed, that is, a method of releasing cell water from sludge by adding a leaching agent. Although the deep dehydration method can reduce the water content of the sludge to be less than 60 percent, the deep dehydration sludge is more complicated due to the influence of additives, the calorific value is greatly reduced due to the loss of organic matters, and the subsequent treatment and utilization are not favorable. And a large amount of water still exists in the sludge after the plate frame is subjected to pressure dehydration and is difficult to remove. This device utilizes sand well drainage theory, sets up the passageway that can quick drainage in advance in mud, then under the hydraulic stress effect, promotes the moisture in the dehydration mud to get rid of fast, reaches the purpose of degree of depth drainage, has improved sludge dewatering's work efficiency greatly to and further guaranteed sludge treatment quality.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a preprocessing device of mud degree of depth dehydration to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a pretreatment device for deep dehydration of sludge comprises a box body, wherein the upper part and the lower part of one side of the box body are respectively and fixedly connected with a feed inlet and a water outlet, the other side of the box body is fixedly connected with a discharge outlet, the feed inlet is fixedly connected with one end of a sludge pump, the top of the box body is tightly inserted with a box cover, the top of the box cover is fixedly connected with a telescopic hydraulic cylinder, the inside of the box body is fixedly connected with a filter plate, one side of the box body corresponding to the filter plate is inserted with a slide rod in a sliding way, one end of the slide rod is fixedly connected with a scraper, the output end of the telescopic hydraulic cylinder penetrates through to the bottom of the filter plate and is fixedly connected with a fixed frame, the inside of the fixed frame is inserted with a pressing plate in a sliding way, the pressing plate is connected, and a silicon carbide electric heating plate is embedded in the corresponding box body between the drainage plate and the filter plate.

Preferably, the other end of the sliding rod is in threaded connection with an adjusting rod, the two scraping plates are arranged at the front position and the rear position of the output shaft of the telescopic hydraulic cylinder correspondingly, the scraping plates are fixedly connected with scraping teeth, and one side of the box body corresponding to the scraping plates is hinged with a side door plate.

This setting is convenient for adjust the length of slide bar, and the convenient scraper blade motion of driving scrapes the large granule impurity that filters off on to the filter and gets during the push-and-pull slide bar, opens the side door board and can push out the clearance to large granule impurity, and convenient operation scrapes the tooth and makes the scraper blade firm effect increase frictional force to be convenient for more thorough promotion large granule impurity, the clearance is abundant.

Preferably, the filter plate is provided with uniformly distributed filter holes, and the drain plate is provided with uniformly distributed drain holes.

The filter holes are arranged, so that sludge can be conveniently placed on the drainage plate in parallel, large-particle impurities in the sludge can be conveniently filtered, and the sludge dewatering efficiency and the sludge treatment quality can be conveniently improved; the telescopic hydraulic cylinder drives the pressing plate to squeeze sludge on the drainage plate, and water in the sludge is quickly discharged through the drainage hole under the action of consolidation stress, so that the purpose of deep dehydration is achieved.

Preferably, the both sides of clamp plate all welded fastening have the locating piece, be equipped with the constant head tank with locating piece looks accordant connection on the inner wall of fixed frame, the tip of clamp plate be equipped with push rod looks accordant connection's fixed orifices, the one end and the fixed orifices sliding connection of push rod, the other end and the fixed orifices threaded connection of push rod, be equipped with the thread groove on the other end of push rod.

This setting has effectively improved connection structure's between clamp plate and the fixed frame steadiness, and convenient to use is dismantled in the installation in a flexible way, and when the installation clamp plate, the one end of push rod promotes the clamp plate in inserting the fixed orifices, and the locating piece slides along the constant head tank this moment, until the clamp plate get into completely fixed frame can to take the push rod out, when dismantling the clamp plate, in the other end threaded connection to the fixed orifices of push rod, and the pulling push rod drive the fixed frame of clamp plate roll-off can, simple structure, flexible operation convenience.

Preferably, the inner bottom of the box body is fixedly connected with an inclined plate, the inner wall of the box body is provided with a mounting groove which is in matched connection with the silicon carbide electric heating plate, and a heat conduction copper sheet is fixedly connected to a notch of the mounting groove.

The inclined plate is arranged to facilitate water to flow into the water outlet for discharging; be convenient for dry the mud on the drain bar, heat conduction efficiency is high, is convenient for further improve the dehydration efficiency of mud.

Preferably, a support plate is fixedly connected between the tops of the fixing frames, and the tops of the support plate are fixedly connected with the output end of the telescopic hydraulic cylinder.

This setting has effectively improved connection structure's steadiness between fixed frame and the flexible pneumatic cylinder to conveniently drive the clamp plate and squeeze mud.

Compared with the prior art, the utility model discloses a technological effect and advantage: the pretreatment device for deep sludge dewatering comprises a sludge pump, a silicon carbide electrothermal plate, a filter plate, a fixed frame, a scraper blade, a sliding rod, a push rod, a telescopic hydraulic cylinder, a push rod, a baffle plate, a side door plate, a filter plate, a fixed frame, a sludge dewatering plate, a sludge treatment plate, a sludge dewatering plate, a sludge discharging hole, a sludge discharging holes, a sludge discharging hole, thereby reach the mesh of degree of depth dehydration, the inside heat of box is dried the evaporation to the moisture of mud simultaneously, and then has improved sludge dewatering efficiency greatly, and rivers discharge through the outlet at last, and the mud after the processing is discharged from the discharge gate can.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the top view structure of the fixing frame of the present invention;

fig. 3 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 4 is a schematic view of the scraper structure of the present invention.

In the figure: 1. a box body; 101. a feed inlet; 102. a discharge port; 103. a box cover; 104. a telescopic hydraulic cylinder; 105. a side door panel; 106. a mud pump; 107. a water outlet; 2. a filter plate; 201. a filtration pore; 202. a slide bar; 203. adjusting a rod; 204. a squeegee; 205. scraping teeth; 3. a fixing frame; 301. a mounting plate; 302. pressing a plate; 303. positioning blocks; 304. positioning a groove; 305. a fixing hole; 306. a push rod; 307. a thread groove; 4. a silicon carbide hotplate; 401. mounting grooves; 402. a thermally conductive copper sheet; 5. a drain plate; 501. a drain hole; 502. a sloping plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in figures 1-4, a pretreatment device for deep dehydration of sludge comprises a box body 1, wherein the upper part and the lower part of one side of the box body 1 are respectively and fixedly connected with a feed inlet 101 and a water outlet 107, the other side of the box body 1 is fixedly connected with a discharge outlet 102, the feed inlet 101 is fixedly connected with one end of a mud pump 106, the top of the box body 1 is tightly inserted with a box cover 103, the top of the box cover 103 is fixedly connected with a telescopic hydraulic cylinder 104, the inside of the box body 1 is fixedly connected with a filter plate 2, one side of the box body 1 corresponding to the filter plate 2 is inserted with a slide bar 202 in a sliding way, one end of the slide bar 202 is fixedly connected with a scraper 204, the output end of the telescopic hydraulic cylinder 104 penetrates through the bottom of the filter plate 2 and is fixedly connected with a fixed frame 3, the inside of the, the end part of the pressing plate 302 is provided with a push rod 306, the inside of the corresponding box body 1 below the fixing frame 3 is fixedly connected with a water drainage plate 5, and a silicon carbide electric heating plate 4 is embedded in the corresponding box body 1 between the water drainage plate 5 and the filtering plate 2.

The other end of the sliding rod 202 is in threaded connection with an adjusting rod 203, the two scraping plates 204 are correspondingly arranged at the front and back positions of the output shaft of the telescopic hydraulic cylinder 104, the scraping plates 204 are fixedly connected with scraping teeth 205, and one side of the box body 1 corresponding to the scraping plates 204 is hinged with a side door panel 105; be convenient for adjust the length of slide bar 202, conveniently drive scraper blade 204 during push-and-pull slide bar 202 and move and scrape the large granule impurity of filtering on the filter 2 and get, open side door board 105 and can push out the clearance to large granule impurity, convenient operation scrapes tooth 205 and makes scraper blade 204 firm effect increase frictional force to be convenient for more thorough promotion large granule impurity, the clearance is abundant.

The filter plate 2 is provided with uniformly distributed filter holes 201, and the drain plate 5 is provided with uniformly distributed drain holes 501; the filtering holes 201 are convenient for sludge to pass through and be arranged on the drainage plate 5 in parallel, so that large-particle impurity hard substances in the sludge can be conveniently filtered, and the sludge dewatering efficiency and the sludge treatment quality can be conveniently improved; the telescopic hydraulic cylinder 104 drives the pressing plate 302 to press the sludge on the drainage plate 5, and the water in the sludge is quickly drained through the drainage hole 501 under the action of consolidation stress, so that the purpose of deep dehydration is achieved.

Positioning blocks 303 are fixedly welded on two sides of the pressure plate 302, positioning grooves 304 which are matched and connected with the positioning blocks 303 are arranged on the inner wall of the fixed frame 3, fixing holes 305 which are matched and connected with a push rod 306 are arranged at the end part of the pressure plate 302, one end of the push rod 306 is slidably connected with the fixing holes 305, the other end of the push rod 306 is in threaded connection with the fixing holes 305, and a threaded groove 307 is arranged at the other end of the push rod 306; effectively improved the steadiness of connection structure between clamp plate 302 and the fixed frame 3, the installation is dismantled convenient to use and is nimble, when installation clamp plate 302, push plate 302 is pushed in inserting fixed orifices 305 to the one end of push rod 306, locating piece 303 slides along constant head tank 304 this moment, until clamp plate 302 get into fixed frame 3 completely can, and take push rod 306 out, when dismantling clamp plate 302, in fixed orifices 305 to the other end threaded connection of push rod 306, and stimulate push rod 306 drive clamp plate 302 roll-off fixed frame 3 can, moreover, the steam generator is simple in structure, the flexible operation is convenient.

An inclined plate 502 is fixedly connected to the inner bottom of the box body 1, an installation groove 401 which is matched and connected with the silicon carbide electric heating plate 4 is formed in the inner wall of the box body 1, and a heat conduction copper sheet 402 is fixedly connected to a notch of the installation groove 401; facilitating water to flow into the drain port 107 for draining; be convenient for dry the mud on the drain bar 5, heat conduction efficiency is high, is convenient for further improve the dehydration efficiency of mud.

A support plate 301 is fixedly connected between the tops of the fixed frames 3, and the top of the support plate 301 is fixedly connected with the output end of the telescopic hydraulic cylinder 104; the stability of the connection structure between the fixed frame 3 and the telescopic hydraulic cylinder 104 is effectively improved, so that the pressing plate 302 is conveniently driven to squeeze sludge.

Specifically, when the sludge treatment device is used, the sludge pump 106 is started to pump sludge into the feeding port 101 to the interior of the box body 1, the silicon carbide electric heating plate 4 is started to heat the interior of the box body 1, at the moment, the sludge is placed on the drainage plate 5 through the filter plate 2 and the fixed frame 3, large-particle solid impurities are filtered on the filter plate 2, when the particle impurities on the filter plate 2 are cleaned, the adjusting rod 203 is pushed to enable the slide rod 202 to drive the scraper 204 to push the particle impurities until the side door plate 105 is opened to be discharged, the filtering efficiency of the filter plate 2 is effectively guaranteed to avoid blockage, the sludge dewatering efficiency and the sludge treatment quality are conveniently improved, then the pressing plate 302 is inserted on the box body 1 and pushes the pushing rod 306 to enable the pressing plate 302 to be inserted on the fixed frame 3, the pushing rod 306 is pulled out, the telescopic hydraulic cylinder 104 is started to drive the pressing plate 302 and the fixed frame 3 to squeeze the sludge, and moisture, therefore, the purpose of deep dehydration is achieved, meanwhile, the moisture of the sludge is dried and evaporated by the heat inside the box body 1, the sludge dehydration efficiency is greatly improved, finally, water flow is discharged through the water outlet 107, and the treated sludge is discharged from the discharge port 102.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a preprocessing device of mud degree of depth dehydration, includes box (1), its characterized in that: the upper part and the lower part of one side of the box body (1) are respectively fixedly connected with a feed inlet (101) and a water outlet (107), the other side of the box body (1) is fixedly connected with a discharge outlet (102), the feed inlet (101) is fixedly connected with one end of a mud pump (106), a box cover (103) is tightly inserted at the top of the box body (1), a telescopic hydraulic cylinder (104) is fixedly connected at the top of the box cover (103), a filter plate (2) is fixedly connected inside the box body (1), a slide rod (202) is inserted at one side of the box body (1) corresponding to the filter plate (2) in a sliding manner, a scraper (204) is fixedly connected at one end of the slide rod (202), the output end of the telescopic hydraulic cylinder (104) penetrates through the bottom of the filter plate (2) and is fixedly connected with a fixed frame (3), and a, the solar water heater is characterized in that the pressing plate (302) is connected with the other side of the box body (1) in a sliding mode, a push rod (306) is arranged at the end portion of the pressing plate (302), a water drainage plate (5) is fixedly connected to the inside of the box body (1) corresponding to the lower portion of the fixing frame (3), and a silicon carbide heating plate (4) is embedded in the inside of the box body (1) corresponding to the position between the water drainage plate (5) and the filtering plate (2).

2. The pretreatment device for deep dewatering of sludge according to claim 1, wherein: the other end of the sliding rod (202) is connected with an adjusting rod (203) in a threaded mode, the two scraping plates (204) are arranged at the front position and the rear position of an output shaft of the telescopic hydraulic cylinder (104) correspondingly, the scraping plates (204) are fixedly connected with scraping teeth (205), and one side of the box body (1) corresponding to the scraping plates (204) is hinged with a side door plate (105).

3. The pretreatment device for deep dewatering of sludge according to claim 1, wherein: the filter plate (2) is provided with uniformly distributed filter holes (201), and the drain plate (5) is provided with uniformly distributed drain holes (501).

4. The pretreatment device for deep dewatering of sludge according to claim 1, wherein: the equal welded fastening in both sides of clamp plate (302) has locating piece (303), be equipped with on the inner wall of fixed frame (3) with locating piece (303) looks accordant connection's constant head tank (304), the tip of clamp plate (302) is equipped with fixed orifices (305) with push rod (306) looks accordant connection, the one end and the fixed orifices (305) sliding connection of push rod (306), the other end and the fixed orifices (305) threaded connection of push rod (306), be equipped with thread groove (307) on the other end of push rod (306).

5. The pretreatment device for deep dewatering of sludge according to claim 1, wherein: the inner bottom of the box body (1) is fixedly connected with an inclined plate (502), the inner wall of the box body (1) is provided with a mounting groove (401) which is connected with the silicon carbide heating plate (4) in a matched mode, and a heat conduction copper sheet (402) is fixedly connected to a notch of the mounting groove (401).

6. The pretreatment device for deep dewatering of sludge according to claim 1, wherein: fixedly connected with mounting panel (301) between the top of fixed frame (3), the top and the flexible pneumatic cylinder (104) output fixed connection of mounting panel (301).