CN211005236U

CN211005236U - Sludge intermittent drying and carbonizing device

Info

Publication number: CN211005236U
Application number: CN201921881622.4U
Authority: CN
Inventors: 白海涛; 柴博; 柴哲; 张若诗; 杨怀然; 杨其涛; 白海捷
Original assignee: Jilin Shuangyuan Environmental Protection Technology Co ltd
Current assignee: Jilin Shuangyuan Environmental Protection Technology Co ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-07-14
Anticipated expiration: 2029-11-04

Abstract

The utility model relates to the technical field of environmental protection, in particular to a sludge intermittent drying and carbonizing device, which comprises a belt cooling conveyor and an intermittent carbonizing machine, wherein the top side of the intermittent carbonizing machine is provided with a flue gas outlet, the intermittent carbonizing machine is connected with a 1# cyclone separator through the flue gas outlet, the other end of the 1# cyclone separator is communicated with a waste heat boiler, the right side of the waste heat boiler is communicated with a 1# fan, the output end of the 1# fan is connected with a standard flue gas discharge outlet through a dust removal desulfurizing tower and a deodorizing tower, the right side of the intermittent carbonizing machine is provided with a steam and combustible smoke outlet, the intermittent carbonizing machine is communicated with a 2# cyclone separator through the steam and combustible smoke outlet, the other end of the 2# cyclone separator is communicated with a condenser, the other end of the condenser is connected with a 2# fan, and the other end of the 2# fan is connected with the intermittent carbonizing machine, the whole device realizes zero emission of dioxin, has the characteristics of high energy utilization rate, low energy loss and the like, and is an energy-saving and environment-friendly technology.

Description

Sludge intermittent drying and carbonizing device

Technical Field

The utility model relates to the technical field of environmental protection, specifically a mud intermittent type formula mummification carbonizing apparatus.

Background

With the development of economy and the increase of urban population, the discharge amount of industrial wastewater and domestic sewage is increasing day by day, and sludge is an unavoidable byproduct in the sewage treatment process, so that the output of sludge is rapidly increased.

The sludge usually contains pathogenic microorganisms, parasitic ova, harmful heavy metals and a large amount of refractory substances. If the treatment is not thorough, secondary pollution to the environment is easy to cause, and the industrial sludge also contains other industrial pollution sources, such as oily sludge generated by oil overflow in the oil exploitation process. Therefore, how to treat the sludge with huge yield and complex components through scientific treatment and make the sludge harmless and resource-oriented becomes a hot spot which is deeply concerned in China and even the environment world.

At present, domestic and foreign sludge treatment and disposal methods mainly comprise landfill, incineration and direct land utilization. The sludge landfill occupies a large amount of land and takes a long time, and the generated leachate and gas can seriously pollute the environment. The investment of incineration equipment is large, the operation cost is high, and the tail gas treatment process is complex. When the sludge is directly used in land, the sludge contains pathogenic bacteria, parasitic ova, heavy metals and various refractory organic compounds, which are harmful to human health and growth of animals and plants in soil.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mud intermittent type formula mummification carbonizing apparatus to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a sludge intermittent drying and carbonizing device comprises a cooling conveyor, a No. 1 cyclone separator, a waste heat boiler, a No. 1 fan, a dedusting and desulfurizing tower, a deodorizing tower, a No. 2 fan, a condenser, a sewage tank, a No. 2 cyclone separator, an intermittent carbonizing machine, a material port, a smoke outlet, a No. 1 hot water outlet, a No. 1 cold water inlet, a standard smoke discharge outlet, a No. 2 hot water outlet, a No. 2 cold water inlet, a steam and combustible smoke outlet and a natural gas and air inlet, wherein the material port is formed in one side of the intermittent carbonizing machine, the smoke outlet is formed in the top side of the intermittent carbonizing machine, the intermittent carbonizing machine is connected with the No. 1 cyclone separator through the smoke outlet, the other end of the No. 1 cyclone separator is communicated with the waste heat boiler, the right side of the waste heat boiler is communicated with the No. 1 fan, the output end of the No. 1 fan is connected with the smoke discharge outlet through the dedusting and desulfurizing, the utility model discloses a carbonization device, including intermittent type formula carbonization machine, 2# cyclone, condenser, 2# fan, sewage pond, steam and combustible smoke export have been seted up on intermittent type formula carbonization machine's right side, and intermittent type formula carbonization machine passes through steam and combustible smoke export and 2# cyclone intercommunication, 2# cyclone's other end intercommunication has the condenser, the other end of condenser is connected with the 2# fan, the other end and the intermittent type formula carbonization machine of 2# fan are connected, the bottom side of condenser is connected with the sewage pond.

Preferably, the belt cooling conveyor is connected with the batch type carbonization machine through a material port.

Preferably, the bottom side of the batch type carbonization machine is provided with natural gas and air inlets.

Preferably, the top end of the waste heat boiler is provided with a No. 1 hot water outlet, and the bottom end of the waste heat boiler is provided with a No. 1 cold water inlet.

Preferably, the upper end and the lower end of one side of the condenser are respectively provided with a No. 2 hot water outlet and a No. 2 cold water inlet.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, the intermittent automatic feeding and discharging mode is adopted to carbonize the sludge, the equipment automatically operates, the moisture content of the sludge is not required, and the sludge drying process can be omitted;

2. in the utility model, the heat in the steam and the combustible smoke and the heat in the high-temperature smoke are recycled to generate hot water, and the oil contained in the sludge can be recycled;

3. the utility model discloses in, whole device has realized the zero release of dioxin, has characteristics such as high energy utilization and low energy loss, is an energy-concerving and environment-protective technique.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

In the figure: the system comprises a 1-belt cooling conveyor, a 2-1# cyclone separator, a 3-waste heat boiler, a 4-1# fan, a 5-dust removal desulfurization tower, a 6-deodorization tower, a 7-2# fan, an 8-condenser, a 9-sewage tank, a 10-2# cyclone separator, an 11-batch type carbonizing machine, an a-material port, a b-flue gas outlet, a c-1# hot water outlet, a d-1# cold water inlet, an e-standard flue gas discharge outlet, an f-2# hot water outlet, a g-2# cold water inlet, an h-steam and combustible smoke outlet, and an i-natural gas and air inlet.

Detailed Description

The patent laws stipulate that the utility model refers to a new technical solution suitable for practical use proposed for the shape, structure or combination of the products. The structure of the product can be a mechanical structure or a circuit structure.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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.

Referring to fig. 1, the present invention provides a technical solution:

a sludge intermittent drying and carbonizing device comprises a belt cooling conveyor 1, a No. 1 cyclone separator 2, a waste heat boiler 3, a No. 1 fan 4, a dedusting and desulfurizing tower 5, a deodorizing tower 6, a No. 2 fan 7, a condenser 8, a sewage tank 9, a No. 2 cyclone separator 10, an intermittent carbonizing machine 11, a material port a, a smoke outlet b, a No. 1 hot water outlet c, a No. 1 cold water inlet d, a standard smoke discharge outlet e, a No. 2 hot water outlet f, a No. 2 cold water inlet g, a steam and combustible smoke outlet h and a natural gas and air inlet i, wherein the material port a is formed in one side of the intermittent carbonizing machine 11, the smoke outlet b is formed in the top side of the intermittent carbonizing machine 11, the intermittent carbonizing machine 11 is connected with the No. 1 cyclone separator 2 through the smoke outlet b, the other end of the No. 1 cyclone separator 2 is communicated with the waste heat boiler 3, and the right side of the waste heat boiler 3 is communicated with the No. 1 fan 4, the 4 output of 1# fan is connected with flue gas emission outlet e up to standard through dust removal desulfurizing tower 5 and deodorizing tower 6, steam and combustible smoke export h have been seted up on intermittent type formula carbonizer 11's right side, and intermittent type formula carbonizer 11 passes through steam and combustible smoke export h and 2# cyclone 10 intercommunication, 2# cyclone 10's other end intercommunication has condenser 8, condenser 8's the other end is connected with 2

# fan

7, 2# fan 7's the other end and intermittent type formula carbonizer 11 are connected, the bottom side of condenser 8 is connected with effluent water sump 9.

Take cooling conveyer 1 to be connected with intermittent type formula carbonizer 11 through material mouth a, adopt the automatic mode carbonization mud of business turn over material of intermittent type formula, equipment automatic operation does not have the requirement to mud moisture content, can save the sludge drying process, natural gas and air inlet i have been seted up to intermittent type formula carbonizer 11 bottom side, and this kind of setting can be when system self energy can not maintain self balance, and natural gas and air inlet i are sent into as the replenishment to the fuel outside the combustion chamber, 1# hot water export c has been seted up on waste heat boiler 3's top, 1# cold water import d has been seted up to waste heat boiler 3's bottom, 2# hot water export f and 2# cold water import g have been seted up respectively at both ends about one side of condenser 8, and this kind of setting can effectually carry out recycle to the energy.

The working process is as follows: the carbonization furnace of the intermittent carbonization machine 11 is a horizontal rotating body, and adopts an indirect heat supply mode, the hot blast stove at the side part of the carbonization furnace burns to generate high temperature to heat a rotatable furnace body, materials enter the intermittent carbonization machine 11 from the feed end of a material port a, the materials are heated and decomposed in a high-temperature oxygen-free state, a large amount of dry distillation gas generated in the carbonization process is sent to a combustion chamber of the carbonization furnace to be combusted secondarily, and when the operation is stable, a combustor of a carbonization system can automatically and indirectly ignite according to the temperature; the material is conveyed by the furnace body and output from the discharge end of the material port a, the output end of the furnace body passes through the conveyer 1 with cooling, the product is cooled and collected, high-temperature steam and combustible smoke generated by carbonization pass through the steam and combustible smoke outlet h and enter the condenser 10 for heat exchange, the condensed liquid enters the sewage pool 9, if the material is oily sludge, the liquid entering the sewage pool 9 is subjected to oil-water separation, oil contained in the sludge can be recycled, combustible gas is introduced into the combustion chamber of the intermittent carbonization machine 11 for combustion through the No. 2 fan 7, thus peculiar smell can be prevented from leaking, 20 ℃ cold water enters the waste heat boiler 3 through the No. 1 cold water inlet d, the waste heat boiler 3 is used for heating the cold water, the cold water is discharged and utilized through the No. 1 hot water outlet c, the 20 ℃ cold water enters the condenser 8 through the No. 2 cold water inlet g, and the cold water is heated by the condenser 8, the smoke after carbonization heating enters a waste heat boiler 3 from a smoke outlet b after passing through a cyclone separator 2 No. 1, the smoke is cooled and then is introduced into a dedusting and desulfurizing tower 5 and a deodorizing tower 6 by a fan 4 No. 2, and then is discharged by a standard-reaching smoke discharge e after reaching the standard, and the carbonization process is carried out under a reducing atmosphere, so that the synthesis of dioxin can be effectively inhibited; substances (metal or oxide thereof) with catalytic action do not exist in the cooling process of the flue gas, and dioxin cannot be generated in the flue gas; secondly, combustible smoke returns to a hearth of the carbonizing machine to be combusted, the high-temperature combustion process is a thorough and clean process for removing dioxin, and gas discharged into the air is subjected to alkali washing, so that no dioxin is discharged.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a mud intermittent type formula mummification carbonization device, including taking cooling conveyer (1), 1# cyclone (2), exhaust-heat boiler (3), 1# fan (4), dust removal desulfurizing tower (5), deodorizing tower (6), 2# fan (7), condenser (8), sewage pond (9), 2# cyclone (10), intermittent type formula carbonizer (11), material mouth (a), exhanst gas outlet (b), 1# hot water outlet (c), 1# cold water inlet (d), flue gas emission outlet up to standard (e), 2# hot water outlet (f), 2# cold water inlet (g), steam and combustible smoke export (h) and natural gas and air inlet (i), its characterized in that: the material opening (a) is formed in one side of the intermittent carbonization machine (11), the flue gas outlet (b) is formed in the top side of the intermittent carbonization machine (11), the intermittent carbonization machine (11) is connected with the 1# cyclone separator (2) through the flue gas outlet (b), the other end of the 1# cyclone separator (2) is communicated with the waste heat boiler (3), the right side of the waste heat boiler (3) is communicated with the 1# fan (4), the output end of the 1# fan (4) is connected with the standard flue gas emission outlet (e) through the dedusting and desulfurization tower (5) and the deodorization tower (6), the steam and combustible smoke outlet (h) is formed in the right side of the intermittent carbonization machine (11), the intermittent carbonization machine (11) is communicated with the 2# cyclone separator (10) through the steam and combustible smoke outlet (h), and the other end of the 2# cyclone separator (10) is communicated with the condenser (8), the other end of condenser (8) is connected with 2# fan (7), the other end and the intermittent type formula carbonizer (11) of 2# fan (7) are connected, the bottom side of condenser (8) is connected with effluent water sump (9).

2. The intermittent drying and carbonizing apparatus for sludge according to claim 1, characterized in that: the belt cooling conveyor (1) is connected with the intermittent carbonizer (11) through a material port (a).

3. The intermittent drying and carbonizing apparatus for sludge according to claim 1, characterized in that: and natural gas and air inlets (i) are formed in the bottom side of the intermittent carbonizer (11).

4. The intermittent drying and carbonizing apparatus for sludge according to claim 1, characterized in that: a1 # hot water outlet (c) is formed in the top end of the waste heat boiler (3), and a 1# cold water inlet (d) is formed in the bottom end of the waste heat boiler (3).

5. The intermittent drying and carbonizing apparatus for sludge according to claim 1, characterized in that: and the upper end and the lower end of one side of the condenser (8) are respectively provided with a No. 2 hot water outlet (f) and a No. 2 cold water inlet (g).