CN213953718U

CN213953718U - Internal combustion engine tail gas siloxane treatment and denitration device

Info

Publication number: CN213953718U
Application number: CN202022648009.7U
Authority: CN
Inventors: 李玉望; 汪宏文; 曾陶才; 查道松
Original assignee: Lvlian Purification Technology Dongguan Co ltd
Current assignee: Lvlian Purification Technology Dongguan Co ltd
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-08-13
Anticipated expiration: 2030-11-16

Abstract

The utility model relates to a tail gas treatment technical field, concretely relates to internal-combustion engine tail gas siloxane handles and denitrification facility, the power distribution box comprises a box body, air inlet expansion section, white carrier, catalytic module and gas vent expansion section, the air inlet expansion section is connected with the inlet end of box, the gas vent expansion section is connected with the end of giving vent to anger of box, be equipped with module mount and fixed spout in the box, and fixed spout is located the one side that is close to the air inlet expansion section, the module mount is located one side of fixed spout, white carrier cover is established in fixed spout, catalytic module is fixed to be set up in the module mount, reserve mount is located the one side that is close to gas vent expansion section. The utility model discloses the device can tentatively with impurity particle desorption such as siloxane in the tail gas through set up white carrier before catalytic module, has avoided follow-up high temperature tail gas to lead to catalytic module local emergence reaction when catalytic module, improves the quality of taking off the round pin, and the effect of use is better for traditional mode.

Description

Internal combustion engine tail gas siloxane treatment and denitration device

Technical Field

The utility model relates to a tail gas treatment technical field, concretely relates to internal-combustion engine tail gas siloxane handles and denitrification facility.

Background

At present, a plurality of exhaust gas treatment products are produced in the domestic market in the aspect of exhaust gas treatment, and particularly, a plurality of products are produced in the aspect of treatment of the exhaust gas of the internal combustion engine. The mode of chemical reaction is generally adopted in gas turbine tail gas denitration, in the time of chemical reaction, just there must be suitable reaction temperature, but the temperature of the tail gas of general internal-combustion engine emission is all higher, can exceed the suitable temperature that the catalyst takes place chemical reaction, not only reduce the life of product, still can consume a large amount of costs of labor simultaneously, the cost of tail gas treatment has been increased, in addition, be connected insecurely between denitrification facility and the engine unit, and the leakproofness is not good, tail gas is revealed easily, secondly, tail gas gets into in the denitrification facility directly and contacts with the catalytic layer, lead to the catalytic layer to react locally, local inefficacy after long-term the use, lead to taking off tail gas.

Disclosure of Invention

In order to overcome shortcoming and not enough that exist among the prior art, the utility model aims to provide an internal-combustion engine tail gas siloxane is handled and denitrification facility, the device can tentatively be with impurity particle desorption such as siloxane in the tail gas through set up white carrier before catalytic module, follow-up high temperature tail gas leads to catalytic module local emergence reaction when catalytic module has been avoided, removable ripple heat dissipation tube group is earlier to tail gas cooling when tail temperature is too high temperature, later through the catalytic module equally also can be fine avoid changing the problem that the partial emergence reaction of mould, can prevent effectively through the aforesaid setting that catalytic module from using back local inefficacy leads to out of stock effect variation for a long time, improve the quality of out of stock, the effect of use is better for traditional mode.

The purpose of the utility model is realized through the following technical scheme: a device for treating and denitrifying siloxane in tail gas of an internal combustion engine comprises a box body, an air inlet expansion section, a white carrier, a catalytic module and an air outlet expansion section, wherein the air inlet expansion section is connected with the air inlet end of the box body, the air outlet expansion section is connected with the air outlet end of the box body, a module fixing frame and a plurality of fixing chutes are arranged in the box body, the fixing chutes are positioned at one side close to the air inlet expansion section, the module fixing frame is positioned at one side of the fixing chutes, the white carrier is sleeved in the fixing chutes, the catalytic module is fixedly arranged in the module fixing frame, a standby fixing frame is further arranged at one side of the module fixing frame in the box body, and the standby fixing frame is positioned at one side close to the air outlet expansion section; and a corrugated heat dissipation pipe set can be arranged at the fixed sliding chute.

Furthermore, this denitrification facility still including set up in the ceramic fiber net of box, the module mount is located to the ceramic fiber net clamp, just the ceramic fiber net is located one side of gas vent expansion section.

Furthermore, the white carrier comprises a fixed frame and a plurality of carrier modules, the carrier modules are orderly sleeved in the fixed frame, and the fixed frame is slidably sleeved in the fixed sliding chute.

Furthermore, the inside wall of air inlet expansion section and gas vent expansion section all is equipped with the water conservancy diversion subassembly, just the water conservancy diversion subassembly sets up along the direction that the air current flows.

Further, a catalyst is loaded on the catalytic module.

Furthermore, the bottom of the box body is provided with a plurality of liquid discharge holes.

Furthermore, fixed ears are arranged on the periphery of the outer side wall of the box body.

Furthermore, a first flange is arranged at the air inlet of the air inlet expansion section.

Furthermore, a second flange is arranged at the air outlet of the air outlet expansion section.

The beneficial effects of the utility model reside in that: the utility model discloses a denitrification facility can tentatively with the desorption of foreign particle such as siloxane in the tail gas through set up white carrier before catalytic module, follow-up high temperature tail gas has been avoided leading to catalytic module local emergence reaction when catalytic module, removable ripple heat dissipation pipe group is earlier cooled down tail gas when tail temperature is too high temperature, later through the catalytic module problem of avoiding changing the mould local emergence reaction that also can be fine equally, can prevent effectively through the aforesaid setting that catalytic module from using the back local inefficacy for a long time and leading to out of stock effect variation, improve the quality of out of stock, the effect of use is better for traditional mode.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a schematic view of the exploded structure of the present invention;

fig. 3 is an exploded view of another perspective of the present invention;

fig. 4 is an exploded view of another perspective of the present invention;

FIG. 5 is a schematic cross-sectional view of the corrugated heat sink tube assembly of the present invention;

fig. 6 is a schematic structural diagram of the white carrier of the present invention.

The reference signs are: 1-box body, 11-module fixing frame, 12-fixing sliding groove, 13-spare fixing frame, 14-liquid discharging hole, 15-fixing lug, 2-air inlet expanding section, 21-flow guide assembly, 22-first flange, 31-white carrier, 311-fixing frame, 312-carrier module, 32-corrugated heat radiating pipe group, 4-catalytic module, 5-air outlet expanding section, 51-second flange and 6-ceramic fiber net

Detailed Description

In order to facilitate the understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying fig. 1 to 6, which are not intended to limit the present invention.

Referring to fig. 1-6, an internal combustion engine tail gas siloxane treatment and denitration device comprises a box body 1, an air inlet expansion section 2, a white carrier 31, a catalytic module 4 and an exhaust port expansion section 5, the air inlet expansion section 2 is connected with the air inlet end of the box body 1, the air outlet expansion section 5 is connected with the air outlet end of the box body 1, a module fixing frame 11 and a plurality of fixing sliding chutes 12 are arranged in the box body 1, the fixed chute 12 is located at one side close to the air inlet expansion section 2, the module fixing frame 11 is located at one side of the fixed chute 12, the white carrier 31 is sleeved in the fixed chute 12, the catalytic module 4 is fixedly arranged in the module fixing frame 11, a spare fixing frame 13 is further arranged on one side of the module fixing frame 11 in the box body 1, and the spare fixing frame 13 is positioned on one side close to the exhaust port expansion section 5; a corrugated heat dissipation tube set 32 may be further disposed at the fixed chute 12, and further, a catalyst is loaded on the catalytic module 4.

In the denitration device in the embodiment, the white carrier 31 is arranged in front of the catalytic module 4, so that impurity particles such as siloxane and the like contained in tail gas entering the box body 1 from the air inlet expansion section 2 can be preliminarily removed, the problem that the catalytic module partially reacts when the follow-up high-temperature tail gas passes through the catalytic module 4 is avoided, when the tail temperature is too high, the white carrier 31 can be replaced by the corrugated heat dissipation pipe set 32 to cool the tail gas firstly, and then the tail gas is also well reacted by the catalytic module to avoid the partial reaction of the chemical module, the denitration device can effectively prevent the denitration effect from being poor due to the partial failure after the catalytic module is used for a long time through the arrangement, the quality of denitration is improved, and the using effect is better than that of a traditional mode; the spare fixing frame 13 is arranged to facilitate the addition of the catalytic module 4 or the replacement of the original catalytic module 4; the white carrier 31 is a ceramic carrier mainly made of one of raw talc, clay, alumina or feldspar, and cordierite as a main crystal phase.

In this embodiment, the denitration device further includes a ceramic fiber mesh 6 disposed on the box body 1, the ceramic fiber mesh 6 is clamped on the module fixing frame 11, and the ceramic fiber mesh 6 is located on one side of the exhaust port expansion section 5.

The ceramic fiber net 6 and the catalytic module 4 arranged in the embodiment have good catalytic purification effect on NOx in tail gas, and can form multilayer purification treatment on the tail gas.

In this embodiment, the white carrier 31 includes a fixed frame 311 and a plurality of carrier modules 312, the carrier modules 312 are neatly sleeved in the fixed frame 311, and the fixed frame 311 is slidably sleeved in the fixed chute 12.

In this embodiment, the white carrier 31 is provided with the carrier module 312 which is formed by the fixed frame 311 and the carrier module 312 which is sleeved in the fixed frame 311, so that the carrier module of the white carrier 31 can be replaced and cleaned after being used for a long time, and the service life and the denitration efficiency of the denitration device are prolonged.

In this embodiment, the inner side walls of the air inlet expansion section 2 and the air outlet expansion section 5 are both provided with a flow guide assembly 21, and the flow guide assembly 21 is arranged along the flowing direction of the air flow.

In this embodiment, the inside wall through expanding section 2 at the air inlet and 5 at gas vent sets up water conservancy diversion subassembly 21, and control water conservancy diversion subassembly 21 along the direction that the air current flows, be favorable to tail gas to get into and spread tail gas in the short time behind the 2 air inlet expansion sections, make tail gas evenly pass through white carrier 31 or ripple heat dissipation tube group 32, utilize gas vent expansion section 5's inside wall water conservancy diversion subassembly 21 to concentrate exhaust denitrification facility with tail gas after taking off the round pin processing, this denitrification facility's work efficiency and practicality have been promoted.

In this embodiment, the bottom of the box body 1 is provided with a plurality of liquid discharge holes 14; and fixing lugs 15 are arranged on the periphery of the outer side wall of the box body 1.

In this embodiment, the liquid discharge hole 14 is formed in the bottom of the box body 1, so that part of water vapor deposited in the denitration device can be discharged out of the denitration device in time, corrosion of the water vapor to each component in the denitration device can be well avoided, and the service life of the denitration device is prolonged.

In this embodiment, a first flange 22 is disposed at the air inlet of the air inlet expansion section 2; a second flange 51 is arranged at the air outlet of the air outlet expansion section 5.

Through being equipped with first flange 22 in the air inlet department at air inlet expansion section 2 in this embodiment to and be equipped with second flange 51 in the exhaust vent department of gas vent expansion section 5, be favorable to promoting the fastness and the leakproofness of denitrification facility and engine unit junction, avoided the easy condition of revealing of tail gas.

The above-mentioned embodiment is the utility model discloses the implementation of preferred, in addition, the utility model discloses can also realize by other modes, not deviating from the utility model discloses any obvious replacement is all within the protection scope under the prerequisite of design.

Claims

1. The utility model provides an internal-combustion engine tail gas siloxane is handled and denitrification facility, includes the box, its characterized in that: the gas-water separation device is characterized by further comprising a gas inlet expansion section, a white carrier, a catalytic module and a gas outlet expansion section, wherein the gas inlet expansion section is connected with the gas inlet end of the box body, the gas outlet expansion section is connected with the gas outlet end of the box body, a module fixing frame and a plurality of fixing sliding grooves are arranged in the box body, the fixing sliding grooves are located on one side close to the gas inlet expansion section, the module fixing frame is located on one side of the fixing sliding grooves, the white carrier is sleeved in the fixing sliding grooves, the catalytic module is fixedly arranged in the module fixing frame, a standby fixing frame is further arranged on one side of the module fixing frame in the box body, and the standby fixing frame is located on; and a corrugated heat dissipation pipe set can be arranged at the fixed sliding chute.

2. The apparatus according to claim 1, wherein the apparatus comprises: the denitration device further comprises a ceramic fiber net arranged on the box body, the ceramic fiber net is clamped on the module fixing frame, and the ceramic fiber net is located on one side of the exhaust port expansion section.

3. The apparatus according to claim 1, wherein the apparatus comprises: the white carrier comprises a fixed frame and a plurality of carrier modules, the carrier modules are orderly sleeved in the fixed frame, and the fixed frame is slidably sleeved in the fixed chute.

4. The apparatus according to claim 1, wherein the apparatus comprises: the inside wall of air inlet expansion section and gas vent expansion section all is equipped with the water conservancy diversion subassembly, just the water conservancy diversion subassembly sets up along the direction that the air current flows.

5. The apparatus according to claim 1, wherein the apparatus comprises: the catalyst module is loaded with a catalyst.

6. The apparatus according to claim 1, wherein the apparatus comprises: the bottom of the box body is provided with a plurality of liquid discharge holes.

7. The apparatus according to claim 1, wherein the apparatus comprises: and fixing lugs are arranged on the periphery of the outer side wall of the box body.

8. The apparatus according to claim 1, wherein the apparatus comprises: and a first flange is arranged at the air inlet of the air inlet expansion section.

9. The apparatus according to claim 1, wherein the apparatus comprises: and a second flange is arranged at the air outlet of the air outlet expansion section.