CN213790454U - Air source treatment and purification device - Google Patents

Abstract

The utility model provides an air source treatment and purification device, which comprises an upper cover, a condenser and a conical collection and filtration funnel, wherein a sampling air inlet is arranged below the conical collection and filtration funnel, the condenser is connected above the conical collection and filtration funnel, and the upper cover is arranged above the condenser; the condenser comprises a condensing body and a semiconductor refrigerating sheet, and the semiconductor refrigerating sheet is attached to the outer surface of the condensing body; still be provided with a plurality of air guide grooves in the upper cover, the air guide groove is connected with the multichannel honeycomb formula air guide groove structure of condensation body, the upper cover still is provided with sample gas outlet and blowback. The device middle part adopts the structure of "semiconductor refrigeration piece + honeycomb formula logical groove form heat dissipation condenser", and the semiconductor refrigeration piece still is external to have 12V's direct current voltage simultaneously, and accessible control current direction realizes refrigeration or heating function, can be used to cold winter and prevents that air supply handles purifier's freezing jam, adapts to the work under the different temperature environment of whole year.

Description

Air source treatment and purification device

Technical Field

The utility model belongs to coal industry machinery, concretely relates to purifier is handled to air supply.

Background

In industrial environment, gas analysis data is the basis of process control, especially the requirements of industrial development and detection at the present stage and the requirements of safety, environmental protection detection and the like on data continuity, and the data accuracy and the operation condition of gas analysis equipment directly relate to the safety of the equipment and the stability of a production process, so that the operation condition of an online gas analysis system is very critical to the central control operation and the normal operation of the equipment. The tested sample gas has various and complex components, such as flue gas or coal gas, and the like, and not only contains sulfur dioxide, nitrogen, oxygen, carbon monoxide, carbon dioxide, hydrocarbons, oxynitrides and the like, but also contains water vapor, ash, oil drops, liquid and solid impurities such as benzene, naphthalene, tar, coal powder and the like. Due to the diversity and complexity of components in the sample gas, a gas analysis system is frequently blocked, damaged, large in maintenance amount, short in service life and other fault conditions, and high-temperature or impurity-containing sample gas can cause deviation of measurement data of a gas analysis instrument, so that the continuity and accuracy of gas analysis and stable operation of a production process are seriously affected, and the safety production is seriously threatened.

In the utility model patent with the publication number of CN 209606191U, an adsorption condensation sampling and purifying device is disclosed, which has the following disadvantages as proved by practice:

(1) the device utilizes the air cooling heat dissipation principle to cool and condense the sampled high-temperature detected gas through a plurality of array condensing pipes; air cooling or air cooling is greatly influenced by the ambient temperature, for example, in hot summer, because the installation ambient temperature or the surface temperature of the adsorption condensation sampling and purifying device is very high, water vapor, ash content, oil drops, benzene, naphthalene, tar, coal dust and the like in the detected gas are not condensed and adsorbed, and directly flow to a gas analysis system and an analysis instrument along a gas sampling pipeline. The gas sampling pipeline is polluted and blocked by condensation and adsorption in the flowing process; the auxiliary materials for filtering and drying are also disabled in a short term, and the manpower and consumable loss are increased; more serious people can cause the failure and damage of a gas pump or a gas sensor in a gas circuit by water vapor, ash, oil drops, benzene, naphthalene, tar, coal dust and other impurities in the detected gas, thereby causing great economic loss.

(2) The device adopts many array condenser pipes to ventilate the cross section less, needs more frequent anti-washing in order to prevent blocking, influences online analysis system's continuity.

(3) The device filters the cooling not good for the sample gas who gathers contains impurity more, and real-time supervision data accuracy is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems mentioned in the background art, and provides an air source treatment and purification device, which is particularly suitable for the different temperature environments all the year around and can effectively treat and purify liquid or solid impurities in the tested gas with various and complex contents, thereby reducing or avoiding the pollution or blockage of a sampling pipeline; reducing frequent maintenance results in loss of labor and materials.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an air source treatment and purification device comprises an upper cover, a condenser and a conical collection and filtration funnel, wherein a sampling air inlet is arranged below the conical collection and filtration funnel, the condenser is connected above the conical collection and filtration funnel, and the upper cover is arranged above the condenser; the condenser comprises a condensing body and a semiconductor refrigerating sheet, the condensing body is of an integrated structure with a multi-channel honeycomb type air guide groove structure, the semiconductor refrigerating sheet is attached to the outer surface of the condensing body, and the semiconductor refrigerating sheet is further externally connected with 12V direct-current voltage; still be provided with a plurality of air guide grooves in the upper cover, the air guide groove is connected with the multichannel honeycomb formula air guide groove structure of condensation body, the upper cover still is provided with appearance gas outlet and blowback, the upper cover top still is provided with radiator fan.

Further improved design, the sample gas outlet and the back flushing port are respectively provided with a control switch.

The design is further improved, the condenser is connected with the conical collecting and filtering funnel through a base with a plurality of air guide grooves, and the sample air is guided and communicated to the inside of the condensing body.

The conical collecting and filtering funnel comprises a conical body structure, wherein the conical body structure is a conical body with a large opening at the upper end and a small opening at the lower end, and a metal wire mesh and glass balls are arranged in the conical body structure.

The improved design is further improved, a mounting flange is further installed at the lower end of the conical collecting and filtering funnel, and the mounting flange is connected with the lower end of the sampling device.

Compared with the prior art, the utility model discloses purifier is handled to air supply adopts and installs radiator fan forced air cooling additional on upper portion, and the structure of "semiconductor refrigeration piece + honeycomb formula logical groove form heat dissipation condenser" is adopted at the middle part, and the semiconductor refrigeration piece is still external to have 12V's direct current voltage simultaneously, and accessible control current direction realizes the function of heating, can be used to prevent in cold winter that purifier is handled to the air supply that freezes and block up, adapts to the work under the different temperature environment of whole year. The utility model discloses purifier is handled to air supply except above-mentioned innovation point, still has following advantage simultaneously:

(1) the purification device reduces the defect that air cooling heat dissipation is limited by the environmental temperature, the two stages of condensers provided with the semiconductor refrigeration sheets are used for forcibly cooling, and the top heat dissipation fan is used for enabling the heat around the condensers to flow away in time, so that impurities such as water vapor, tar, benzene, naphthalene and the like can be effectively condensed, adsorbed and filtered at different environmental temperatures;

(2) the purification device reduces the pollution of a sampling pipeline, and reduces the manual maintenance time and the loss of a post-stage filter material;

(3) the purification device indirectly prolongs the service life of the gas pump and the gas sensor in the gas circuit, and ensures the long-term stable operation of the analysis system;

(4) the purification device is used as a treatment purification device, is not polluted and damaged by treated collected materials and condensate, is reliable in operation and free of blockage in the coal gas sampling and collecting stage, and can be used in a maintenance-free mode for a long time.

(5) The purification device can effectively adsorb and discharge sewage, can provide relatively pure sample gas for real-time online detection and analysis, is favorable for further data analysis, and has small numerical deviation.

Drawings

FIG. 1 is an assembly structure view of the air source treatment and purification device of the present invention;

FIG. 2 is a structural diagram of a condensing body of the air source processing and purifying device of the present invention;

FIG. 3 is a structural diagram of an upper cover of the air source treatment and purification device of the present invention;

FIG. 4 is a structural view of a semiconductor refrigerating sheet of the air source processing and purifying device of the present invention;

reference numerals: the device comprises an upper cover-1, a condenser-2, a conical collecting and filtering funnel-3, a sampling air inlet-4, a condensing body-5, a semiconductor refrigerating sheet-6, a multi-channel honeycomb type air guide groove structure-7, direct current voltage-8, an air guide groove-9, a sample air outlet-10, a back flushing port-11, a cooling fan-12 and a base-13.

Detailed Description

The invention will be further described with reference to the following drawings and examples:

with reference to fig. 1-4, it can be seen that the air source treatment and purification device of the present invention comprises an upper cover 1, a condenser 2 and a conical collection and filtration funnel 3, wherein a sampling air inlet 4 is arranged below the conical collection and filtration funnel 3, the condenser 2 is connected above the conical collection and filtration funnel 3, and the upper cover 1 is arranged above the condenser 2; the condenser comprises a condensation body 5 and a semiconductor refrigeration piece 6, the condensation body 5 is of an integrated structure with a multi-channel honeycomb type air guide groove structure 7, the semiconductor refrigeration piece 6 is attached to the outer surface of the condensation body 2, and the semiconductor refrigeration piece 6 is further externally connected with a 12V direct current voltage 8; still be provided with a plurality of air guide grooves 9 in the upper cover 1, air guide groove 9 is connected with the multichannel honeycomb formula air guide groove structure 7 of condensation body, upper cover 1 still is provided with sample gas outlet 10 and blowback 11, the upper cover top still is provided with radiator fan 12, control switch is installed respectively to sample gas export and blowback.

The condenser is connected with the conical collecting and filtering funnel through a base 13 with a plurality of air guide grooves, and the sample air is guided and communicated to the inside of the condenser body.

The cone-shaped collecting and filtering funnel comprises a cone-shaped body structure, the cone-shaped body structure is a cone-shaped body with a large opening at the upper end and a small opening at the lower end, and a metal wire mesh and glass balls are arranged in the cone-shaped body structure.

And the lower end of the conical collecting and filtering funnel is also provided with a mounting flange which is connected with the lower end of the sampling device.

In order to understand better, the utility model discloses air supply treatment purifier theory of operation and workflow are as follows:

the sample gas firstly enters from an air inlet at the lower end of the conical filter funnel, the sample gas is primarily filtered by the wire mesh and the spherical glass in the conical filter funnel, then enters the condenser body through the base and enters the multi-channel honeycomb-shaped through groove of the condenser body, the cross section of gas circulation is gradually reduced, the airflow space of the device structure is reduced, the pressure is increased, the structure accelerates the water vapor to absorb heat, and the temperature is reduced, the impurities are condensed and separated out for adsorption; the semiconductor refrigerating sheet attached to the condenser cools the condenser by using the Peltier effect, so that liquid or solid impurities in the measured gas flowing through the through hole are condensed and separated out when cooled; water vapor condensed in the sample gas flows back to the conical funnel to be collected, and impurities such as tar, benzene, naphthalene, coal dust and the like in the sample gas are separated out due to temperature reduction and are adsorbed in the wall of the hole of the condenser or the filter at the lower end of the condenser; the treated and purified sample gas is collected by the upper cover gas guide groove and then reaches the sample gas outlet, the sample gas outlet and the back flushing port of the upper cover are respectively provided with an automatic control switch device, impurities such as tar on the wall of the condenser and the filter of the lower conical funnel are adsorbed, the gas outlet is closed, when the back flushing port blows high-temperature steam, various adsorbed impurities are swept into the lower conical filter funnel to realize collection and flow guide, the effect of pollution discharge is achieved, meanwhile, the upper end of the upper cover of the condenser is provided with a cooling fan, air around the condenser flows rapidly through the fan, heat at the hot end of the condenser and the hot end of the semiconductor refrigerator is timely and rapidly lost, and finally, the gas at the sample gas outlet reaches a detection instrument.

In another working state, the semiconductor refrigerating sheet can realize the heating function by controlling the current direction, and can be used for preventing the freezing blockage of the air source processing and purifying device in cold winter.

The utility model discloses air supply treatment purifier is through actual effect test: description of the test conditions: 1) attaching a semiconductor refrigerator half to the outside of the condensation body, and simultaneously connecting 12V direct current voltage to the semiconductor refrigeration piece; 2) the ambient temperature was 32.4 ℃; 3) a 6L/min air pump is used for pumping the measured sample gas outwards from the gas pipeline through the gas source processing and purifying device; sample introduction temperature measured at the air inlet of the conical funnel of the device: at 68.7 ℃; after the sample gas passes through the gas source treatment and purification device, the temperature of the sample gas measured at the sample gas outlet is 2.3 ℃. Experiments show that the gas source purifying device can greatly reduce the temperature of the measured gas. If a heat dissipation measure is added to the hot end of the semiconductor heat dissipation sheet, a heat insulation measure is added to the condensation body of the gas source treatment and purification device, and the like, the condensation effect is better.

Claims (5)

1. An air source treatment and purification device comprises an upper cover, a condenser and a conical collection and filtration funnel, and is characterized in that a sampling air inlet is arranged below the conical collection and filtration funnel, the condenser is connected above the conical collection and filtration funnel, and the upper cover is arranged above the condenser; the condenser comprises a condensing body and a semiconductor refrigerating sheet, the condensing body is of an integrated structure with a multi-channel honeycomb type air guide groove structure, the semiconductor refrigerating sheet is attached to the outer surface of the condensing body, and the semiconductor refrigerating sheet is further externally connected with 12V direct-current voltage; still be provided with a plurality of air guide grooves in the upper cover, the air guide groove is connected with the multichannel honeycomb formula air guide groove structure of condensation body, the upper cover still is provided with appearance gas outlet and blowback, the upper cover top still is provided with radiator fan.

2. The air source processing and purifying device according to claim 1, wherein the sample gas outlet and the back-blowing opening are respectively provided with a control switch.

3. An air supply treatment purification device as defined in claim 1, wherein the condenser is connected to the conical collection filter funnel by a base having a plurality of air guide grooves for guiding the sample air to the interior of the condenser body.

4. The air supply treatment purification device according to claim 1, wherein the cone-shaped collection and filtration funnel comprises a cone-shaped structure, the cone-shaped structure is a cone-shaped body with a large opening at the upper end and a small opening at the lower end, and a metal wire mesh and glass balls are arranged in the cone-shaped structure.

5. An air supply treatment purification device as defined in claim 1, wherein a mounting flange is further mounted to a lower end of the conical collection filter funnel, and said mounting flange is connected to a lower end of the sampling device.

Images