CN213506527U

CN213506527U - Parallel sludge drying system

Info

Publication number: CN213506527U
Application number: CN202021847423.4U
Authority: CN
Inventors: 杜红卫; 翁焕新; 张微
Original assignee: Zhejiang Huichao Environmental Protection Technology Co ltd
Current assignee: Zhejiang Huichao Environmental Protection Technology Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-06-22
Anticipated expiration: 2030-08-28

Abstract

The utility model provides a parallel sludge drying system, including first gyration drying kiln and second gyration drying kiln, first gyration drying kiln discharge end is equipped with the temporary storage storehouse, three supporting leg has evenly been arranged to the temporary storage storehouse surface, the inlet pipe of slope form is installed to temporary storage storehouse side, first gyration drying kiln discharge end extends to in the inlet tube, the detachable cang gai is installed to the temporary storage storehouse upper end, the temporary storage storehouse discharge end is connected with first screw conveyer, the one end that first screw conveyer kept away from the temporary storage storehouse extends to second gyration drying kiln feed inlet, compares with prior art, the utility model discloses following beneficial effect has: the closed sludge material transfer is realized, and the flying dust generated in the transfer process of the sludge material is prevented from floating randomly.

Description

Parallel sludge drying system

Technical Field

The utility model relates to a parallel sludge drying system belongs to sludge treatment technical field.

Background

Because the municipal sludge has high water content (after primary dehydration, the water content of the sludge is generally 75% -85%), the sludge is made into granules and needs to be subjected to a drying process. Sludge drying is a process of evaporating water in sludge by supplying heat. At present, two rotary drying kilns connected in parallel are often utilized to dry sludge, a screw conveyor is often utilized to transfer sludge materials between the two rotary drying kilns, but the discharge end of the rotary drying kiln and the connection part of the feed end of the screw conveyor are in an open state, and dust generated by the sludge materials is easy to scatter randomly in a working environment, so that the working environment is polluted, and the settled dust needs to be cleaned frequently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a parallel sludge drying system to solve the above-mentioned background art and put forward the rotary drying kiln discharge end and the position of being connected of screw conveyer feed end and be in uncovered state, the dust that the mud material produced drifts about easily in operational environment at will, not only pollutes operational environment, needs frequently to clear up the problem of subsiding the dust moreover, the utility model discloses realize closed transfer mud material, prevent that the raise dust that the mud material produced drifts about at will in the transfer process.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a parallel sludge drying system, includes first gyration drying kiln and second gyration drying kiln, first gyration drying kiln discharge end is equipped with the storehouse of keeping in, three supporting leg has evenly been arranged to the storehouse surface of keeping in, the inlet pipe of slope form is installed to a storehouse side of keeping in, first gyration drying kiln discharge end extends to in the inlet tube, the detachable cang gai is installed to the storehouse upper end of keeping in, the storehouse discharge end of keeping in is connected with first screw conveyer, the one end that the storehouse was kept away from to first screw conveyer extends to second gyration drying kiln feed inlet.

Furthermore, a funnel bin with a wide upper part and a narrow lower part is installed at the lower end of the temporary storage bin, and a discharge pipe connected with the feeding end of the first screw conveyor is installed at the lower end of the funnel bin.

Further, the opening has been seted up to temporary storage bin side upper portion position, the opening outside be equipped with temporary storage bin fixed connection's rectangle frame, install the filter screen that is used for filtering the dust in the rectangle frame.

Further, be equipped with the slide of slope form in the rectangle frame, the one end that the slide is in the rectangle frame contacts with the filter screen, the slide is kept away from the one end fixedly connected with even board of filter screen, even board passes through screw and temporary storage bin fixed connection.

Further, storehouse lid downside symmetry is equipped with two support bars, support bar and temporary storage storehouse fixed connection, and have a determining deviation between support bar and the storehouse lid, the storehouse lid passes through bolt and support bar fixed connection.

Further, first gyration drying kiln afterbody and second gyration drying kiln afterbody all connect the collection pipe through the connecting pipe, closed sludge storage field is connected to collection pipe one end, be equipped with the sludge feeder in the closed sludge storage field, the sludge feeder is connected with second screw conveyer, the second screw conveyer other end extends to first gyration drying kiln feed inlet.

Furthermore, the air inlet end of the first rotary drying kiln and the air inlet end of the second rotary drying kiln are connected with a temperature regulator through a heat supply pipe, and the temperature regulator is connected with the fluidized bed furnace through a pipeline.

The utility model has the advantages that: extend first gyration drying kiln discharge end to the slope form feed pipe on the temporary storage storehouse in, and then make in the first gyration drying kiln exhaust mud material arrange to the closed space of temporary storage storehouse and cang gai formation, realize first gyration drying kiln discharge end and first screw conveyer feed end closed loop and be connected, realize the closed mud material that shifts, prevent that the raise dust that the mud material produced at the transfer in-process from wafting at will.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural view of a parallel sludge drying system of the present invention;

FIG. 2 is a schematic view of the assembly of the bin cover, the support legs and the temporary storage bin in the parallel sludge drying system of the present invention;

FIG. 3 is a schematic view of the assembly of the feed pipe, the rectangular frame and the temporary storage bin in the parallel sludge drying system of the present invention;

in the figure: 1-a first rotary drying kiln, 2-a closed sludge storage field, 3-a collecting pipe, 4-a connecting pipe, 5-a feeding pipe, 6-a temporary storage bin, 7-a second rotary drying kiln, 8-a first screw conveyor, 9-a heat supply pipe, 10-a temperature regulator, 11-a fluidized bed furnace, 12-a second screw conveyor, 13-a sludge feeding machine, 14-a bin cover, 15-a rectangular frame, 16-a filter screen, 17-a supporting strip, 18-a discharging pipe, 19-a funnel bin, 20-a supporting leg, 21-a sliding plate, 22-a connecting plate and 23-a through opening.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a parallel sludge drying system, includes first gyration drying kiln 1 and second

gyration drying kiln

7, and 1 discharge end of first gyration drying kiln is equipped with temporary storage bin 6, and three supporting leg 20 has evenly been arranged to temporary storage bin 6 surface, and three supporting leg 20 provides the support carrier for temporary storage bin 6.

The inlet pipe 5 of slope form is installed to 6 side in the temporary storage storehouse, 1 discharge end of first gyration drying kiln extends to in the inlet pipe 5, detachable cang gai 14 is installed to the temporary storage storehouse 6 upper end, 6 discharge ends in the temporary storage storehouse are connected with first screw conveyer 8, extend 1 discharge end of first gyration drying kiln to the slope form inlet pipe 5 on the temporary storage storehouse 6 in, and then make the mud material of exhaust in the first gyration drying kiln 1 arrange to the confined space of temporary storage storehouse 6 and cang gai 14 formation in, realize 1 discharge end of first gyration drying kiln and 8 feed end closed loop connection of first screw conveyer, realize the closed mud material that shifts, prevent that the raise dust that the mud material produced at the transfer in-process from wafting at will.

One end of the first screw conveyer 8 far away from the temporary storage bin 6 extends to a feed inlet of the second rotary drying kiln 7, and the first screw conveyer 8 conveys sludge materials in the temporary storage bin 6 to the second rotary drying kiln 7 during working.

The lower end of the temporary storage bin 6 is provided with a funnel bin 19 with a wide upper part and a narrow lower part, the lower end of the funnel bin 19 is provided with a discharge pipe 18 connected with the feeding end of the first screw conveyor 8, and the funnel bin 19 is convenient for gathering the sludge material in the temporary storage bin 6 to the discharge pipe 18.

Opening 23 has been seted up to 6 side upper portion positions in the temporary storage bin, and opening 23 outside is equipped with the rectangle frame 15 with temporary storage bin 6 fixed connection, installs the filter screen 16 that is used for filtering the dust in the rectangle frame 15, and the design of opening 23 is convenient for make temporary storage bin 6 inside the same with external atmospheric pressure, and the filter screen 16 in the rectangle frame 15 prevents that the raise dust from opening 23 diffusion.

The rectangular frame 15 is internally provided with an inclined sliding plate 21, one end of the sliding plate 21 in the rectangular frame 15 is in contact with the filter screen 16, one end of the sliding plate 21 far away from the filter screen 16 is fixedly connected with a connecting plate 22, the connecting plate 22 is fixedly connected with the temporary storage bin 6 through screws, the connecting plate 22 plays a role in connecting the sliding plate 21 with the temporary storage bin 6, dust deposited on the sliding plate 21 slides into the temporary storage bin 6 along the inclined sliding plate 21, and dust is prevented from being gathered in the rectangular frame 15.

Two support bars 17 are equipped with to cang gai 14 downside symmetry, support bar 17 and temporary storage 6 fixed connection, and have a determining deviation between support bar 17 and the cang gai 14, and cang gai 14 passes through bolt and support bar 17 fixed connection, utilizes bolted connection support bar 17 and cang gai 14, realizes the fixed connection in cang gai 14 and temporary storage 6, because of there is a determining deviation between support bar 17 and the cang gai 14, so be convenient for the later stage saw off the bolt that can't twist.

The tail part of the first rotary drying kiln 1 and the tail part of the second rotary drying kiln 7 are both connected with a collecting pipe 3 through a connecting pipe 4, one end of the collecting pipe 3 is connected with a closed sludge storage field 2, when the tail gas of the first rotary drying kiln 1 and the tail gas of the second rotary drying kiln 7 are sent to the bottom of the closed sludge storage field 2, the waste heat of the tail gas can heat the bottom plate of the closed sludge storage field 2 to 50-150 ℃, so that the sludge can be heated, not only is the natural evaporation of part of moisture of the sludge accelerated, but also conditions are created for improving the drying efficiency and the granulation of the sludge.

Be equipped with mud feeder 13 in the closed sludge storage field 2, mud feeder 13 is connected with second screw conveyer 12, and the second screw conveyer 12 other end extends to first rotary drying kiln 1 feed inlet, and mud feeder 13 and second screw conveyer 12 combined action carry mud in to first rotary drying kiln 1.

The air inlet end of the first rotary drying kiln 1 and the air inlet end of the second rotary drying kiln 7 are connected with a temperature regulator 10 through a heat supply pipe 9, the temperature regulator 10 is connected with a fluidized bed furnace 11 through a pipeline, the fluidized bed furnace 11 provides a heat source for the first rotary drying kiln 1 and the second rotary drying kiln 7, and the temperature regulator 10 plays a role in adjusting air supply temperature.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a parallel sludge drying system, includes first gyration drying kiln (1) and second gyration drying kiln (7), its characterized in that: first gyration drying kiln (1) discharge end is equipped with temporary storage storehouse (6), three supporting leg (20) have evenly been arranged to temporary storage storehouse (6) surface, the inlet pipe (5) of slope form are installed to temporary storage storehouse (6) a side, first gyration drying kiln (1) discharge end extends to in inlet pipe (5), detachable cang gai (14) is installed to temporary storage storehouse (6) upper end, temporary storage storehouse (6) discharge end is connected with first screw conveyer (8), the one end that temporary storage storehouse (6) was kept away from in first screw conveyer (8) extends to second gyration drying kiln (7) feed inlet.

2. A parallel sludge drying system according to claim 1 wherein: the temporary storage bin (6) is provided with a funnel bin (19) with a wide upper part and a narrow lower part at the lower end, and a discharge pipe (18) connected with the feeding end of the first screw conveyor (8) is arranged at the lower end of the funnel bin (19).

3. A parallel sludge drying system according to claim 1 wherein: opening (23) have been seted up to temporary storage storehouse (6) a side upper portion position, opening (23) outside is equipped with rectangle frame (15) with temporary storage storehouse (6) fixed connection, install filter screen (16) that are used for filtering the dust in rectangle frame (15).

4. A parallel sludge drying system according to claim 3 wherein: be equipped with slide (21) of slope form in rectangle frame (15), slide (21) are in the one end in rectangle frame (15) and are contacted with filter screen (16), the one end fixedly connected with that filter screen (16) were kept away from in slide (21) links board (22), link board (22) pass through screw and temporary storage storehouse (6) fixed connection.

5. A parallel sludge drying system according to claim 1 wherein: storehouse cover (14) downside symmetry is equipped with two support bars (17), support bar (17) and temporary storage storehouse (6) fixed connection, and have a determining deviation between support bar (17) and storehouse cover (14), storehouse cover (14) passes through bolt and support bar (17) fixed connection.

6. A parallel sludge drying system according to claim 1 wherein: first gyration drying kiln (1) afterbody and second gyration drying kiln (7) afterbody all connect collection pipe (3) through connecting pipe (4), collection pipe (3) one end is connected closed mud and is stored field (2), be equipped with sludge feeder (13) in closed mud storage field (2), sludge feeder (13) are connected with second screw conveyer (12), second screw conveyer (12) other end extends to first gyration drying kiln (1) feed inlet.

7. A parallel sludge drying system according to claim 1 wherein: the air inlet end of the first rotary drying kiln (1) and the air inlet end of the second rotary drying kiln (7) are connected with a temperature regulator (10) through a heat supply pipe (9), and the temperature regulator (10) is connected with a fluidized bed furnace (11) through a pipeline.