CN211625234U

CN211625234U - Integrated gas catalytic oxidation device

Info

Publication number: CN211625234U
Application number: CN202020101430.3U
Authority: CN
Inventors: 高永江; 高茂鑫; 卢永杰; 宫爱辉; 朱杰; 王浩; 汪立芳; 周俊来
Original assignee: Jiangsu Yongchun Environmental Engineering Co ltd
Current assignee: Jiangsu Yongchun Environmental Engineering Co ltd
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-10-02
Anticipated expiration: 2030-01-16

Abstract

The utility model relates to an integrated type gas catalytic oxidation device, include: plate heat exchanger, combustor and catalytic combustion bed, the connection is equipped with combustor furnace on the combustor, waste gas pipeline is connected to plate heat exchanger one side, and the opposite side is equipped with the draught fan, plate heat exchanger's top is equipped with combustor furnace and catalytic combustion bed in proper order, still be equipped with the spark arrester between waste gas pipeline and plate heat exchanger, connect the benefit trachea on the waste gas pipeline, be equipped with the catalysis moisturizing cold valve on the benefit trachea. The plate type burner replaces the prior electric heating pipe, so that the problem that the electric heating pipe is easy to damage after being used for a long time is solved; the temperature of the equipment is quickly raised after the equipment is started and heated by matching the plate heat exchanger with the burner; and the arrangement of the catalytic cold compensation valve solves the problem of compensation heating adjustment under different working conditions.

Description

Integrated gas catalytic oxidation device

Technical Field

The utility model belongs to the technical field of the environmental protection and specifically relates to an integrated gas catalytic oxidation device is related to.

Background

At present, catalytic combustion devices in the market have the following problems that 1, heating is mostly electric heating, and a plurality of potential safety hazards such as aging damage and the like can occur under the long-term operation of an electric heating pipe; 2. in the heating process, the temperature is slowly increased, and the temperature is increased to more than 250 ℃ required by the reaction generally after waiting for more than 1 h; 3. in the traditional heat exchange plate, the gas flow dead angle is too much, and the actual heat exchange efficiency is very low; 4. the traditional equipment is electrically heated, the operation cost is high, and the load of many civil enterprises is large; some enterprises have sufficient natural gas resources, and the electric heating type catalytic combustion equipment cannot be utilized; 5. the reaction of the exhaust gas and the catalyst releases heat, and under the condition of no external heating or only little heating, each heating pipe needs to be heated in groups because the power of each heating pipe is rated, and the regulation is inconvenient.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, the utility model provides an integrated gas catalytic oxidation device.

The utility model provides a technical scheme that its technical problem adopted is: an integrated gas catalytic oxidation device comprising: plate heat exchanger, combustor and catalytic combustion bed, the connection is equipped with combustor furnace on the combustor, waste gas pipeline is connected to plate heat exchanger one side, and the opposite side is equipped with the draught fan, plate heat exchanger's top is equipped with combustor furnace and catalytic combustion bed in proper order, still be equipped with the spark arrester between waste gas pipeline and plate heat exchanger, connect the benefit trachea on the waste gas pipeline, be equipped with the catalysis moisturizing cold valve on the benefit trachea.

In a preferred embodiment of the present invention, the induced draft fan is connected to the chimney at the other side.

In a preferred embodiment of the present invention, the plate heat exchanger, the burner hearth and the catalytic combustion bed are sequentially disposed in the casing from bottom to top, the casing is provided with an explosion-proof port, and a smoke exhaust pipe is disposed on one side of the casing.

In a preferred embodiment of the present invention, the housing further has an access hole and a pressure relief hole.

In a preferred embodiment of the present invention, a burner interface board is correspondingly disposed on the casing at a position corresponding to the burner hearth.

In a preferred embodiment of the present invention, the furnace chamber is made of high temperature resistant stainless steel 310 s.

In a preferred embodiment of the present invention, a gas guide plate is welded inside the plate heat exchanger.

In a preferred embodiment of the present invention, the burner is provided with an automatic flame adjusting device.

The utility model has the advantages that: after the structure is adopted, the plate type burner replaces the existing electric heating pipe, so that the problem that the electric heating pipe is easy to damage after being used for a long time is solved; the temperature of the equipment is quickly raised after the equipment is started and heated by matching the plate heat exchanger with the burner; and the arrangement of the catalytic cold compensation valve solves the problem of compensation heating adjustment under different working conditions.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a process flow diagram of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The first embodiment is as follows: an integrated gas catalytic oxidation apparatus as shown in fig. 1 to 3 includes: electric controller 15, plate heat exchanger 4, combustor 501 and catalytic combustion bed 6, connect on the combustor 501 and be equipped with combustor furnace 5, waste gas pipeline 1 is connected to 4 one sides of plate heat exchanger, and the opposite side is equipped with draught fan 11, the top of plate heat exchanger 4 is equipped with combustor furnace 5 and catalytic combustion bed 6 in proper order, still be equipped with spark arrester 3 between waste gas pipeline 1 and plate heat exchanger 4, connect the benefit trachea on the waste gas pipeline 1, be equipped with catalysis benefit cold valve 2 on the benefit trachea.

After being introduced into the equipment through the waste gas pipeline 1, the organic waste gas is subjected to primary heating through the plate heat exchanger 4, is subjected to heat exchange through the combustor hearth 5 to realize secondary heating, and is reacted with the catalytic combustion bed 6 after reaching the reaction temperature to generate H2O, CO2 and partial heat, wherein the heat is heated for the third time, and high-temperature clean gas enters the plate heat exchanger to exchange heat with the waste gas and then is exhausted. When the temperature is too high, fresh air is supplemented to dilute the concentration of the waste gas through the catalytic cooling supplementing valve 2, and the temperature is reduced.

In the second embodiment, the other side of the induced draft fan 11 is connected with the chimney 12, and the clean gas after heat exchange is sucked out by the induced draft fan 11 and discharged through the chimney.

Plate heat exchanger 4, combustor furnace 5 and catalytic combustion bed 6 set up in casing 14 from bottom to top in proper order, be equipped with explosion-proof mouth 8 on the casing 14, explosion-proof mouth 8 set up the holistic security of improve equipment, and be equipped with exhaust pipe 13 on casing 14 one side, discharge the flue gas through exhaust pipe.

Still be equipped with access hole 7 and pressure release mouth 9 on the casing 14, conveniently overhaul and the pressure release to equipment inside, improve the security of equipment operation. The shell 14 is correspondingly provided with a combustor interface board 10 at a position corresponding to the combustor hearth 5, so that the connection and installation of the combustor are convenient; the electric appliance controller 15 is connected with the combustor 1, the combustor 1 is provided with an automatic flame adjusting device, and the combustor automatically switches the flame size under different conditions of waste gas combustion, so that the adjustment is very convenient.

The heating system is heated by the burner, so that the operation cost is low, the burner is communicated with natural gas, the natural gas is used for heating, the cost is low, and the operation cost is greatly saved; the combustor hearth 5 is made of high-temperature-resistant stainless steel 310s, so that the combustor is not easy to age and damage, and the service life of equipment is prolonged.

4 internally welded of plate heat exchanger has gas guide plate 401, increases heat transfer area of contact and gaseous disturbance, improves whole heat exchange efficiency, solves the poor problem of traditional heat transfer board heat exchange efficiency, and the gas guide plate in this embodiment is a plurality ofly, and a plurality of gas guide plate one end intervals set up in plate heat exchanger's inside both sides, and the other end is the free end, and the free end all leaves the interval that the gas passed through.

The plate type burner replaces the prior electric heating pipe, so that the problem that the electric heating pipe is easy to damage after being used for a long time is solved; the plate heat exchanger and the burner are matched for use, so that the reaction temperature of the catalytic combustion bed can be reached only by waiting for 15-30 minutes after the equipment is started and heated, and the temperature is quickly raised; the combustor is communicated with natural gas, so that the problems of high operation cost and incapability of utilizing owner gas resources are solved; and the arrangement of the catalytic cold compensation valve solves the problem of compensation heating adjustment under different working conditions.

In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that the scope of the present invention shall be determined by the scope of the appended claims.

Claims

1. An integrated gas catalytic oxidation device, comprising: plate heat exchanger, combustor and catalytic combustion bed, the connection is equipped with combustor furnace on the combustor, waste gas pipeline is connected to plate heat exchanger one side, and the opposite side is equipped with the draught fan, plate heat exchanger's top is equipped with combustor furnace and catalytic combustion bed in proper order, still be equipped with the spark arrester between waste gas pipeline and plate heat exchanger, connect the benefit trachea on the waste gas pipeline, be equipped with the catalysis moisturizing cold valve on the benefit trachea.

2. The integrated gas catalytic oxidation device according to claim 1, wherein the induced draft fan is connected at the other side thereof to a chimney.

3. The integrated gas catalytic oxidation device according to claim 1, wherein the plate heat exchanger, the burner hearth and the catalytic combustion bed are sequentially arranged in a shell from bottom to top, the shell is provided with an explosion-proof port, and one side of the shell is provided with a smoke exhaust pipeline.

4. The integrated gas catalytic oxidation device according to claim 3, wherein the housing further comprises an access opening and a pressure relief opening.

5. The integrated gas catalytic oxidation unit according to claim 3, wherein the housing is provided with a burner interface plate at a position corresponding to the burner hearth.

6. The integrated gas catalytic oxidation device according to claim 1, wherein the burner hearth is made of high temperature resistant stainless steel 310 s.

7. The integrated gas catalytic oxidation device according to any one of claims 1 to 6, wherein a gas deflector is welded inside the plate heat exchanger.

8. The integrated gas catalytic oxidation device according to claim 1, wherein the burner is provided with an automatic flame adjusting device.