CN213295142U

CN213295142U - Sludge storage system utilizing waste heat of sludge drying tail gas

Info

Publication number: CN213295142U
Application number: CN202021847275.6U
Authority: CN
Inventors: 张微; 翁焕新; 杜红卫
Original assignee: Zhejiang Huisheng Information Technology Co ltd
Current assignee: Zhejiang Huisheng Information Technology Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-05-28
Anticipated expiration: 2030-08-28

Abstract

The utility model provides an utilize sludge drying tail gas waste heat's mud storage system, including closed sludge repository and the rotary drying kiln who is linked together through exhaust pipe and closed sludge repository, first tuber pipe is installed to closed sludge repository side, the first tuber pipe other end is connected with the gate valve, the gate valve other end is connected with the second tuber pipe, air-blower air-out end is connected to the second tuber pipe other end, the air exit has been seted up to the one side that first tuber pipe was kept away from to closed sludge repository, the air exit outside is equipped with the frame with closed sludge repository fixed connection, the one side that the frame deviates from closed sludge repository articulates and is connected with the apron that plays the shutoff effect, compares with prior art, the utility model discloses following beneficial effect has: the circulation of the air in the closed sludge storage warehouse is accelerated, and the safety is improved.

Description

Sludge storage system utilizing waste heat of sludge drying tail gas

Technical Field

The utility model relates to an utilize sludge drying tail gas waste heat's sludge storage system belongs to sludge treatment technical field.

Background

In the sludge treatment process, the waste heat of tail gas discharged in the sludge drying process (the temperature of the tail gas discharged in the sludge drying process is 100-250 ℃) is usually utilized, so that the temperature of the sludge is increased in the storage process, conditions are created for increasing the sludge drying efficiency, and the purposes of recycling the energy in the system and reducing the sludge drying operation cost are finally achieved. Closed sludge storage storehouse is often used for storing mud, and for the sludge of turning over, often install in closed sludge storage storehouse and push away equipment such as mud machine, but closed sludge storage storehouse inner space air mobility is poor, when pushing away equipment such as mud machine and needing the maintenance, personnel directly get into and easily take place danger, and the security is not enough.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing an utilize sludge drying tail gas waste heat's mud storage system to it is poor to provide closed sludge storage storehouse inner space air mobility in the above-mentioned background art to solve, when equipment such as mud pushing machine need be maintained, personnel directly get into and take place danger easily, the not enough problem of security, the utility model discloses the realization accelerates the circulation of air in the closed sludge storage storehouse, improves the security.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides an utilize sludge drying tail gas waste heat's mud storage system, includes closed sludge storage storehouse and the rotary drying kiln who is linked together through exhaust pipe and closed sludge storage storehouse, first tuber pipe is installed to closed sludge storage storehouse side, the first tuber pipe other end is connected with the gate valve, the gate valve other end is connected with the second tuber pipe, air-blower air-out end is connected to the second tuber pipe other end, the air exit has been seted up to the one side that first tuber pipe was kept away from to closed sludge storage storehouse, the air exit outside is equipped with the frame with closed sludge storage storehouse fixed connection, the one side that the frame deviates from closed sludge storage storehouse articulates and is connected with the apron that plays the shutoff effect.

Further, a plurality of are installed to first tuber pipe equidistance is installed on closed mud repository, and the first tuber pipe of a plurality of all has connected gradually gate valve, second tuber pipe and air-blower, closed mud repository keeps away from the one side equidistance of first tuber pipe and has seted up a plurality of air exit, a plurality of the frame of taking the apron is all installed in the air exit outside.

Further, a sludge outlet is installed on one side face of the closed sludge storage warehouse, a sludge feeder is connected to the other end of the sludge outlet, a sludge conveying belt is connected to the sludge feeder, and the other end of the sludge conveying belt extends to a feed inlet of the rotary drying kiln.

Further, rotary drying kiln inlet end passes through the heat supply pipe and connects the fluidized bed furnace, the fluidized bed furnace passes through first connecting pipe and connects the draught fan, the draught fan passes through the second connecting pipe and connects closed sludge storage storehouse.

Further, two sludge feeding holes are installed to a side face of the closed sludge storage warehouse, and a detachable blocking plate is installed outside the sludge feeding holes.

Further, closed sludge storage storehouse bottom is through blow off union coupling sedimentation tank, the sedimentation tank passes through conduit coupling water pump inlet end, the high-pressure flushing pipe in extending to the closed sludge storage storehouse is connected to the water pump play liquid end.

The utility model has the advantages that: before the personnel need get into maintenance of equipment in the closed mud repository, open the gate valve and open the apron, then the circuit of switch-on air-blower, the air-blower work is carried the outside air to closed mud repository in through second tuber pipe and first tuber pipe, the air that flows into in the closed mud repository afterwards passes through the air exit and discharges, realizes accelerating the circulation of air in the closed mud repository, the concentration of the poisonous gas in the closed mud repository of being convenient for dilute, the security that the improvement personnel got into.

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 sludge storage system using waste heat of sludge drying tail gas according to the present invention;

in the figure: 1-closed sludge storage warehouse, 2-tail gas pipe, 3-rotary drying kiln, 4-cover plate, 5-frame, 6-sludge feeding port, 7-blocking plate, 8-high pressure flushing pipe, 9-first air pipe, 10-gate valve, 11-second air pipe, 12-blower, 13-water pump, 14-water conveying pipe, 15-sedimentation tank, 16-blow-off pipe, 17-sludge feeder, 18-sludge output port, 19-sludge conveying belt, 20-induced draft fan, 21-first connecting pipe, 22-fluidized bed furnace, 23-heat supply pipe and 24-second connecting pipe.

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, the present invention provides a technical solution: the utility model provides an utilize sludge storage system of sludge drying tail gas waste heat, including closed sludge repository 1 and the rotary drying kiln 3 that is linked together through tail gas pipe 2 and closed sludge repository 1, the high temperature tail gas that rotary drying kiln 3 mummification mud produced is carried to closed sludge repository 1 through tail gas pipe 2, through the cyclic utilization of the inside energy of system, when having reduced sludge drying in-process energy consumption, the initial temperature of sludge drying has been improved, condition has been created for improving sludge drying efficiency, especially when the mud temperature is lower winter, through preheating of mud, the mud temperature has been improved, can make the energy consumption of sludge drying reduce to minimumly.

A first air pipe 9 is arranged on one side surface of the closed sludge storage warehouse 1, the other end of the first air pipe 9 is connected with a gate valve 10, the other end of the gate valve 10 is connected with a second air pipe 11, the other end of the second air pipe 11 is connected with an air outlet end of a blower 12, one side of the closed sludge storage warehouse 1, which is far away from the first air pipe 9, is provided with an air outlet, the outer side of the air outlet is provided with a frame 5 fixedly connected with the closed sludge storage warehouse 1, one side of the frame 5, which is far away from the closed sludge storage warehouse 1, is hinged with a cover plate 4 which plays a role in plugging, when personnel need to enter maintenance equipment in the closed sludge storage warehouse 1, the gate valve 10 is opened, the cover plate 4 is opened, then a circuit of the blower 12 is switched on, the blower 12 works to convey external air into the, the circulation of the air in the closed sludge storage warehouse 1 is accelerated, the concentration of toxic gas in the closed sludge storage warehouse 1 is convenient to dilute, and the safety of personnel entering is improved.

A plurality of is installed to first tuber pipe 9, the equidistance of the first tuber pipe 9 of a plurality of is installed on closed mud repository 1, and the first tuber pipe 9 of a plurality of all has connected gradually gate valve 10, second tuber pipe 11 and air-blower 12, a plurality of air exit has been seted up to the one side equidistance that first tuber pipe 9 was kept away from to closed mud repository 1, frame 5 of taking apron 4 is all installed in a plurality of air exit outside, the design of a plurality of air-blower 12 and a plurality of air exit, the circulation of the air in the closed mud repository 1 in the improvement unit interval.

Sludge outlet 18 is installed to 1 side of closed sludge repository, sludge feeder 17 is connected to sludge outlet 18 other end, and sludge feeder 17 connects sludge conveyer belt 19, and sludge conveyer belt 19 other end extends to gyration drying kiln 3 feed inlet, and under mud pusher's effect, the mud in the closed sludge repository 1 passes through sludge outlet 18 and gets into sludge feeder 17 in, and sludge conveyer belt 19 carries mud to gyration drying kiln 3 in.

The air inlet end of the rotary drying kiln 3 is connected with a fluidized bed boiler 22 through a heat supply pipe 23, the fluidized bed boiler 22 is connected with a draught fan 20 through a first connecting pipe 21, the draught fan 20 is connected with a closed sludge storage warehouse 1 through a second connecting pipe 24, and various harmful gases released by stored sludge are sent into the fluidized bed boiler 22 under the action of the draught fan 20 to be eliminated at high temperature.

Two mud feed inlets 6 are installed to 1 side of closed mud repository, and detachable closure plate 7 is installed in 6 outsides of mud feed inlet, opens closure plate 7 back, is convenient for carry mud to closed mud repository 1 in through mud feed inlet 6.

Closed sludge storage storehouse 1 bottom is passed through blow off pipe 16 and is connected sedimentation tank 15, sedimentation tank 15 passes through raceway 14 and connects 13 feed liquor ends of water pump, 13 play liquid end of water pump connects and extends to the high-pressure flushing pipe 8 in the closed sludge storage storehouse 1, switch on behind the circuit of water pump 13, the flush fluid pump sending in water pump 13 will sedimentation tank 15 is to the high-pressure flushing pipe 8 in, the flush fluid dashes on to tail gas pipe 2 afterwards, thereby wash the smoke and dust granule of attached on tail gas pipe 2, the flush fluid deposits in 15 rows to the sedimentation tank through blow off pipe 16 at last.

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 an utilize sludge drying tail gas waste heat's mud storage system, includes closed mud repository (1) and rotary drying kiln (3) that are linked together through exhaust pipe (2) and closed mud repository (1), its characterized in that: first tuber pipe (9) are installed to closed sludge storage storehouse (1) one side, first tuber pipe (9) other end is connected with gate valve (10), gate valve (10) other end is connected with second tuber pipe (11), air-blower (12) air-out end is connected to second tuber pipe (11) other end, the air exit has been seted up to the one side that first tuber pipe (9) were kept away from in closed sludge storage storehouse (1), the air exit outside be equipped with closed sludge storage storehouse (1) fixed connection's frame (5), frame (5) one side that deviates from closed sludge storage storehouse (1) is articulated to be connected with apron (4) that play the shutoff effect.

2. The sludge storage system using the residual heat of the sludge drying tail gas as set forth in claim 1, wherein: a plurality of, a plurality of are installed to first tuber pipe (9) equidistance is installed on closed mud repository (1), and first tuber pipe of a plurality of (9) all have connected gradually gate valve (10), second tuber pipe (11) and air-blower (12), a plurality of air exit, a plurality of are seted up to the one side equidistance that first tuber pipe (9) were kept away from in closed mud repository (1) the frame (5) of taking apron (4) are all installed in the air exit outside.

3. The sludge storage system using the residual heat of the sludge drying tail gas as set forth in claim 1, wherein: sludge outlet (18) are installed to closed sludge storage storehouse (1) one side, sludge feeder (17) are connected to sludge outlet (18) other end, sludge conveyer belt (19) is connected in sludge feeder (17), sludge conveyer belt (19) other end extends to gyration drying kiln (3) feed inlet.

4. The sludge storage system using the residual heat of the sludge drying tail gas as set forth in claim 1, wherein: gyration drying kiln (3) inlet end passes through heat supply pipe (23) and connects fluidized bed furnace (22), fluidized bed furnace (22) are through first connecting pipe (21) connection draught fan (20), closed sludge storage storehouse (1) is connected through second connecting pipe (24) in draught fan (20).

5. The sludge storage system using the residual heat of the sludge drying tail gas as set forth in claim 1, wherein: two sludge feeding ports (6) are installed to closed sludge storage storehouse (1) one side, detachable closure plate (7) are installed in sludge feeding port (6) outside.

6. The sludge storage system using the residual heat of the sludge drying tail gas as set forth in claim 1, wherein: the bottom of the closed sludge storage warehouse (1) is connected with a sedimentation tank (15) through a sewage discharge pipe (16), the sedimentation tank (15) is connected with a liquid inlet end of a water pump (13) through a water conveying pipe (14), and a liquid outlet end of the water pump (13) is connected with a high-pressure flushing pipe (8) extending into the closed sludge storage warehouse (1).