CN218011731U

CN218011731U - Soil thermal desorption rear end desorption gas dust collector

Info

Publication number: CN218011731U
Application number: CN202220373874.1U
Authority: CN
Inventors: 唐述山; 韩文勇; 张科
Original assignee: Anhui Weilun Kelin Environmental Engineering Co ltd
Current assignee: Anhui Weilun Kelin Environmental Engineering Co ltd
Priority date: 2022-02-23
Filing date: 2022-02-23
Publication date: 2022-12-13
Anticipated expiration: 2032-02-23

Abstract

The utility model discloses a soil thermal desorption rear end desorption gas dust collector, including cooling tower and filter tower, the built-in cooling chamber of cooling tower is the water cavity between cooling chamber and the cooling tower lateral wall, and the intercommunication has the connecting pipe between the bottom in cooling chamber and the filter tower upper portion, and the blast pipe of filter tower is located the bottom, and the built-in cylindric cartridge filter of filter tower, blast pipe pass filter tower lateral wall parallel connection through strain inside the section of thick bamboo. The cavity is covered with from top to bottom to the air in the tower body that corresponds, makes the time that gas stayed in the cavity that corresponds longer, and desorption gas is accompanied with high temperature, directly gets into the cartridge filter and filters and can lead to filtering fibrous life to shorten, and the front end is the cooling tower, and the cooperation is used, greatly reduced get into the temperature of filtering gas in the tower.

Description

Soil thermal desorption rear end desorption gas dust collector

Technical Field

The utility model belongs to the technical field of soil pollution administers, especially, relate to a soil thermal desorption rear end desorption gas dust collector.

Background

In recent years, as the environmental protection supervision of government level is continuously enhanced and the organic pollution problem of China is very prominent, the organic pollution treatment demand is increasingly increased, and the repair technology is also named as various. According to the different properties of organic pollutants, the organic pollution remediation technology mainly comprises a thermal desorption method, a chemical oxidation/reduction method, a solidification/stabilization method and the like.

The thermal desorption technology is to heat organic pollutants to be close to or exceed the boiling point of the organic matters in a heating mode, volatilize and separate the organic matters from the pollutants, and then treat desorption waste gas to achieve the aim of restoration. The thermal desorption method can effectively remove volatile and semi-volatile organic pollutants in soil, such as: volatile organic compounds (vocs), polycyclic aromatic hydrocarbons (pahs), polychlorinated biphenyls (pcbs), and the like. The thermal desorption technology can be divided into two categories of in-situ thermal desorption and ex-situ thermal desorption, wherein the ex-situ thermal desorption is divided into two treatment modes of ex-situ direct thermal desorption and ex-situ indirect thermal desorption according to the difference of a heat transfer mode and a treatment and disposal mode of desorption gas.

In the heterotopic thermal desorption processing technology, including the charge-up system (feed bin, measure the belt balance, the de-ironing separator, big inclination belt material loading machine, airtight surge bin, screw conveyer), thermal desorption system (the kiln body, the kiln head, the kiln tail, main kiln natural gas combustor, the furnace combustion chamber, the flue gas chimney), ejection of compact system (ejection of compact humidification screw conveyer, the negative pressure big-arch shelter), desorption gas processing system (front end desorption gas dust collector, front end ejection of compact machine, front end desorption gas condensing equipment, the condensate buffer tank, the drain pump, front end desorption gas induced draft machine, rear end desorption gas dust collector, rear end ejection of compact machine, rear end desorption gas induced draft machine, desorption gas burn out the room, the quench tower, the deacidification tower, the tail gas condenser, active carbon adsorption equipment, the tail gas draught fan, the tail gas discharges the waste gas that the chimney after the kiln body burns, wherein mix with a lot of dust, high temperature gas in addition, in the desorption gas processing system of the tail end of kiln body, the corresponding desorption gas desorption dust collector handles high temperature gas simultaneously and satisfies the requirement of dust filtration, the high temperature gas exhaust chimney, the life of the filter layer is led to low. Therefore, the utility model discloses mainly solve because the furnace combustion chamber is to taking off additional heat treatment process to organic soil heat, kiln body tail end produces a large amount of desorption gas, and the desorption gas dust collector that the rear end corresponds leads to the lower problem of filter layer life owing to the high temperature effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a soil thermal desorption rear end desorption gas dust collector, main solution is because the furnace combustion chamber is to in the additional heat treatment process of organic soil thermal desorption, kiln body tail end produces a large amount of desorption gas, and the desorption gas dust collector that the rear end corresponds leads to the lower problem of filter layer life owing to the high temperature effect.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the device comprises a cooling tower and a filtering tower, wherein the cooling tower and the filtering tower are arranged side by side in sequence, the bottoms of the cooling tower and the filtering tower are funnel-shaped and are communicated with the same ash deposition groove, a cooling cavity is arranged in the cooling tower, the cooling cavity is a flat cavity, a water cavity is arranged between the cooling cavity and the side wall of the cooling tower, the bottom of the water cavity is communicated with a water inlet pipe, the top of the water cavity is communicated with a water drain pipe, the upper side of the cooling cavity is connected with an air inlet pipe, and a connecting pipe is communicated between the bottom of the cooling cavity and the upper part of the filtering tower;

the exhaust pipe of the filter tower is positioned at the bottom, a cylindrical filter cylinder is arranged in the filter tower, and the exhaust pipe penetrates through the side wall of the filter tower and is connected with the inside of the filter cylinder in parallel.

Further, the cartridge filter includes inlayer barrel and outside filter layer, the filter layer is the corrugate, the bleeder vent has been seted up to the cartridge filter, the plectane is all installed to the tip of barrel for it is sealed.

Furthermore, a rotating shaft is arranged in the center of an upper end circular plate corresponding to the filter cylinder, an exhaust pipe is communicated with the center of a lower end circular plate corresponding to the filter cylinder, a gear is sleeved on the rotating shaft, and the filter tower is provided with a first motor which drives the gear to rotate together with the filter cylinder;

vertical air blast pipe of installing between filter tower and the cartridge filter, air blast pipe has set gradually a plurality of nozzles towards the cartridge filter from top to bottom, the air compressor machine that is used for connecting air blast pipe is installed to the filter tower.

Furthermore, the tops of the cooling tower and the filtering tower are provided with access holes.

Further, the outer side wall of the cooling cavity is provided with a radiating fin.

Further, the ash deposition groove is tubular, a spiral push rod is installed in the ash deposition groove, and a second motor for driving the spiral push rod is installed beside the ash deposition groove.

The utility model discloses following beneficial effect has:

the cooling tower is the mode that the upper end was admitted air with filtering the tower, and the air is covered with the cavity from top to bottom in the tower body that corresponds, makes the time that gas stayed in the cavity that corresponds longer, and desorption gas accompanies with high temperature, directly gets into the cartridge filter and filters and can lead to filtering fiber's life to shorten, and the front end is the cooling tower, and the cooperation is used, greatly reduced the gaseous temperature in the entering filtering tower.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1: the utility model discloses the schematic structure.

FIG. 2: the utility model discloses cartridge filter structure picture.

In the drawings, the components represented by the respective reference numerals are listed below:

the cooling tower 1, the filter tower 2, the dust deposition groove 3, the cooling chamber 4, the water chamber 14, the water inlet pipe 12, the drain pipe 13, the air inlet pipe 11, the connecting pipe 20, the filter cartridge 5, the circular plate 51, the rotating shaft 52, the exhaust pipe 21, the gear 53, the first motor 22, the air injection pipe 61, the air compressor 6, the access hole 15, the radiating fin 41, the spiral push rod 31 and the second motor 32.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, which are only some embodiments of the present invention, but not all embodiments.

In the present invention, it is to be understood that: the terms "open," "upper," "lower," "thickness," "top," "center," "length," "inner," "peripheral," and the like are used herein for convenience and simplicity of description, and do not denote or imply that the referenced components must be in a particular orientation.

As shown in fig. 1: the utility model provides a soil thermal desorption rear end desorption gas dust collector, includes cooling tower 1 and filter tower 2, cooling tower 1 sets gradually side by side with filter tower 2, supports through the support, and cooling tower 1 and filter tower 2 bottoms are for leaking hopper-shaped and communicate in same deposition groove 3, and the dust of holding back in cooling tower and the filter tower is concentrated in same deposition groove, and same collection is discharged. A cooling cavity 4 is arranged in the cooling tower 1, the cooling cavity 4 is a flat cavity, a water cavity 14 is arranged between the cooling cavity 4 and the side wall of the cooling tower 1, the bottom of the water cavity 14 is communicated with a water inlet pipe 12, the top of the water cavity 14 is communicated with a water outlet pipe 13, the flat cooling cavity is compressed to enter a flowing space of desorption gas, so that high-temperature gas is fully contacted with the side wall of the cooling cavity, an air inlet pipe 11 is connected to the upper side of the cooling cavity 4 and used for receiving the high-temperature desorption gas, and a connecting pipe 20 is communicated between the bottom of the cooling cavity 4 and the upper part of the filter tower 2;

the exhaust pipe 21 of the filter tower 2 is positioned at the bottom, a cylindrical filter cylinder 5 is arranged in the filter tower 2, and the exhaust pipe 21 penetrates through the side wall of the filter tower 2 and is connected with the inside of the filter cylinder 5. The connecting pipe communicates between the inside of the filter tower and the filter cartridge, and the cooled gas is transferred to the filter tower and then filtered through the filter cartridge, and the side wall of the filter cartridge is a filter layer, and impurities are intercepted by the air passing through the filter layer.

The utility model discloses in, the cooling tower is the mode that the upper end was admitted air with filtering the tower, and the air from top to bottom is covered with the cavity in the tower body that corresponds, makes the time that gaseous stops in the cavity that corresponds longer, and desorption gas accompanies high temperature, directly gets into the cartridge filter and filters the life that can lead to filtering fiber and shorten, and the front end is the cooling tower at present, and the cooperation is used, greatly reduced gets into the temperature of gaseous in the filtering tower.

As shown in fig. 2: the cartridge filter 5 includes inlayer barrel and outside filter layer, the filter layer is the corrugate, the bleeder vent has been seted up to the cartridge filter, the plectane 51 is all installed to the tip of barrel for it is sealed. The barrel is vertical cylindric, plays the performance of support for cup joint the filter layer, the filter layer is made for filtering fiber, and the texture is softer, needs inside to have the support.

As shown in fig. 1-2: the center of the upper end circular plate corresponding to the filter cartridge 5 is provided with a rotating shaft 52, the center of the lower end circular plate corresponding to the filter cartridge 5 is communicated with the exhaust pipe 21, the circular plate is used for providing a cylinder support and is provided with a rotating shaft, the purpose of driving the filter cartridge to rotate is achieved through a second motor driving gear, the rotating shaft 52 is sleeved with a gear 53, and the filter tower 2 is provided with the driving gear 53 and a first motor 22 for driving the filter cartridge 5 to rotate;

vertical air jet pipe 61 of installing between filter tower 2 and the cartridge filter 5, air jet pipe 61 has set gradually a plurality of nozzles towards cartridge filter 5 from top to bottom, filter tower 2 installs the air compressor machine 6 that is used for connecting air jet pipe 61. The air-jet filter cartridge is used for jetting air to the outer side wall of the filter cartridge, is used for cleaning the filter cartridge, starts the first motor and the air compressor when the filter tower is stopped, enables the filter cartridge to rotate, enables the high-pressure airflow sprayed by the hollow press in the rotating process to impact the outer side wall of the filter cartridge, removes impurities attached to and deposited on the outer side wall of the filter cartridge, and keeps the efficient filtering effect of the filter cartridge.

As shown in fig. 1: and the tops of the cooling tower 1 and the filtering tower 2 are provided with access holes 15. The access hole has sealed lid for maintain tower body inside, wherein, the access hole that the cooling tower corresponds the cooling chamber, is used for scraping grey processing to the cooling intracavity wall.

As shown in fig. 1: the outer side wall of the cooling cavity 4 is provided with a radiating fin 41. For improving heat dissipation efficiency.

As shown in fig. 1: the ash depositing groove 3 is tubular, a spiral pushing rod 31 is installed in the ash depositing groove 3, and a second motor 32 for driving the spiral pushing rod 31 is installed beside the ash depositing groove 3.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention.

Claims

1. The utility model provides a soil thermal desorption rear end desorption gas dust collector which characterized in that:

the cooling tower (1) and the filter tower (2) are arranged side by side in sequence, the bottoms of the cooling tower (1) and the filter tower (2) are funnel-shaped and communicated with the same ash deposition groove (3), a cooling cavity (4) is arranged in the cooling tower (1), the cooling cavity (4) is a flat cavity, a water cavity (14) is arranged between the cooling cavity (4) and the side wall of the cooling tower (1), the bottom of the water cavity (14) is communicated with a water inlet pipe (12), the top of the water cavity (14) is communicated with a water drain pipe (13), an air inlet pipe (11) is connected to the upper side of the cooling cavity (4), and a connecting pipe (20) is communicated between the bottom of the cooling cavity (4) and the upper part of the filter tower (2);

the exhaust pipe (21) of the filter tower (2) is positioned at the bottom, the cylindrical filter cylinder (5) is arranged in the filter tower (2), and the exhaust pipe (21) penetrates through the side wall of the filter tower (2) and is connected with the inside of the filter cylinder (5).

2. The soil thermal desorption rear end desorption gas dust removal device according to claim 1, which is characterized in that: cartridge filter (5) include inlayer barrel and outside filter layer, the filter layer is the corrugate, the bleeder vent has been seted up to the cartridge filter, plectane (51) are all installed to the tip of barrel for it is sealed.

3. The soil thermal desorption rear end desorption gas dust removal device according to claim 2, which is characterized in that: the center of an upper end circular plate corresponding to the filter cylinder (5) is provided with a rotating shaft (52), the center of a lower end circular plate corresponding to the filter cylinder (5) is communicated with the exhaust pipe (21), the rotating shaft (52) is sleeved with a gear (53), and the filter tower (2) is provided with a driving gear (53) and a first motor (22) for rotating the filter cylinder (5);

vertical air-jet pipe (61) of installing between filter tower (2) and cartridge filter (5), air-jet pipe (61) from top to bottom sets gradually a plurality of nozzles towards cartridge filter (5), air compressor machine (6) that are used for connecting air-jet pipe (61) are installed in filter tower (2).

4. The soil thermal desorption rear end desorption gas dust removal device according to claim 1, which is characterized in that: and the tops of the cooling tower (1) and the filtering tower (2) are provided with access holes (15).

5. The soil thermal desorption rear end desorption gas dust removal device according to claim 1, which is characterized in that: and the outer side wall of the cooling cavity (4) is provided with a radiating fin (41).

6. The soil thermal desorption rear end desorption gas dust removal device according to claim 1, which is characterized in that: the ash depositing groove (3) is tubular, a spiral pushing rod (31) is installed in the ash depositing groove (3), and a second motor (32) for driving the spiral pushing rod (31) is installed beside the ash depositing groove (3).