CN216295684U - Compression boiler flue gas dehydration drying device - Google Patents
Compression boiler flue gas dehydration drying device Download PDFInfo
- Publication number
- CN216295684U CN216295684U CN202122516809.8U CN202122516809U CN216295684U CN 216295684 U CN216295684 U CN 216295684U CN 202122516809 U CN202122516809 U CN 202122516809U CN 216295684 U CN216295684 U CN 216295684U
- Authority
- CN
- China
- Prior art keywords
- valve
- adsorption tower
- flue gas
- cooler
- connecting pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Separation Of Gases By Adsorption (AREA)
- Drying Of Gases (AREA)
Abstract
The utility model provides a compression boiler flue gas dehydration drying device, wherein a cooler is used for cooling gas passing through the cooler; the adsorption towers are internally provided with adsorbents to adsorb moisture in the flue gas, the adsorbents can desorb the adsorbed moisture by heating, the adsorption towers are provided with two coolers, the two adsorption towers and the two coolers are connected through a plurality of connecting pipelines, valves are arranged on the connecting pipelines, the flue gas passes through at least one cooler after passing through one adsorption tower, and the cooled flue gas passes through the other adsorption tower to adsorb the moisture; under this flue gas circulation way, the flue gas directly gets into one of them adsorption tower, carries out thermal regeneration to the adsorbent in this adsorption tower to the heat in to the flue gas is recycled, and then the flue gas cools off through the cooler, and another adsorption tower adsorbs the flue gas, adsorbs sulphide and nitrogen oxide in the flue gas, in order to reach gas cleaning and refrigerated purpose.
Description
Technical Field
The utility model belongs to the technical field of flue gas drying and purification, and particularly relates to a flue gas dehydration and drying device for a compression boiler.
Background
Due to the chemical components of coal, the flue gas of the coal-fired boiler has complex components after combustion, and mainly contains a large amount of fine dust, sulfide, nitrogen oxide, carbon dioxide, oxygen, nitrogen and water. Carbon peak reaching and carbon neutralization tend to be achieved by recycling carbon dioxide and nitrogen in the flue gas of the coal burning boiler.
Generally, boiler flue gas is subjected to desulfurization and denitrification, dedusting and cooling treatment and then introduced into carbon and nitrogen co-production equipment, but sulfides, nitrogen oxides and carbon dioxide still remain, and the substances react with water to generate acidic substances, so that the flue gas becomes acidic boiler flue gas, the pH value can be below 4, and the corrosion effect on a pipeline and a tower is stronger due to the reduction of the temperature of the flue gas, so that the acidic boiler flue gas is subjected to dehydration and drying treatment, and the equipment is necessary for protecting the pipeline and the tower equipment and protecting a carbon dioxide recovery device.
Therefore, there is a need to provide an improved solution to the above-mentioned deficiencies of the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide the purification equipment which is simple in structure and can carry out moisture on the flue gas.
In order to achieve the above purpose, the utility model provides the following technical scheme: a compression boiler flue gas dehydration drying device comprises:
the adsorption tower is internally provided with an adsorbent to adsorb moisture in the flue gas;
a cooler for cooling the gas passing through the cooler;
the two adsorption towers are connected with the two coolers through a plurality of connecting pipelines, and valves are arranged on the connecting pipelines to control the guiding of the connecting pipelines, so that the flue gas passes through at least one of the coolers after passing through one of the adsorption towers, and the flue gas passing through the cooler is guided to the other adsorption tower;
or the flue gas passes through one of the coolers in sequence and then is guided into one of the adsorption towers and then passes through the other cooler and the other adsorption tower;
or the flue gas is guided to at least one adsorption tower after sequentially passing through the two coolers.
Preferably, the adsorption tower comprises a first adsorption tower and a second adsorption tower, the cooler comprises a first cooler and a second cooler, the air inlet ends of the first cooler and the second cooler are communicated through a first connecting pipeline, a first valve and a second valve which are connected in series are arranged on the first connecting pipeline, and a flue gas inlet positioned between the first cooler and the first valve is arranged on the first connecting pipeline; the air outlet end of the first cooler is communicated with the air inlet end of the second cooler through a second connecting pipeline, and a third valve and a fourth valve which are connected in series are arranged on the second connecting pipeline;
the lower ends of the first adsorption tower and the second adsorption tower are communicated through a third connecting pipeline, and a fifth valve and a sixth valve which are connected in series are arranged on the third connecting pipeline; fourth connecting pipelines are communicated between the fifth valve and the first adsorption tower and between the sixth valve and the second adsorption tower, and a seventh valve and an eighth valve which are connected in series are arranged on the fourth connecting pipelines;
the upper ends of the first adsorption tower and the second adsorption tower are communicated through a fifth connecting pipeline, and a ninth valve and a tenth valve which are connected in series are arranged on the fifth connecting pipeline; a sixth connecting pipeline is communicated between the ninth valve and the first adsorption tower and between the tenth valve and the second adsorption tower, an eleventh valve and a twelfth valve which are connected in series are arranged on the sixth connecting pipeline, and the flue gas is led out from between the ninth valve and the tenth valve;
a seventh connecting pipeline is arranged between the third valve and the fourth valve, and the seventh connecting pipeline is communicated between the fifth valve and the sixth valve; an eighth connecting pipeline is arranged at the air outlet end of the second cooler and communicated between the seventh valve and the eighth valve; and a ninth connecting pipeline is arranged between the first valve and the second valve, and the ninth connecting pipeline is communicated between the eleventh valve and the twelfth valve.
Preferably, when the first valve, the fourth valve, the sixth valve, the seventh valve, the ninth valve and the twelfth valve are opened and the rest valves are closed, the flue gas passes through the second adsorption tower, the second cooler and the first adsorption tower in sequence and then is led out;
or when the first valve, the fourth valve, the fifth valve, the eighth valve, the tenth valve and the eleventh valve are opened and the rest valves are closed, the flue gas is led out after passing through the first adsorption tower, the second cooler and the second adsorption tower in sequence.
Preferably, when the second valve, the third valve, the sixth valve, the seventh valve, the ninth valve and the twelfth valve are opened and the rest valves are closed, the flue gas passes through the first cooler, the second adsorption tower, the second cooler and the first adsorption tower in sequence and then is led out;
or when the second valve, the third valve, the fifth valve, the eighth valve, the tenth valve and the eleventh valve are opened and the rest valves are closed, the flue gas passes through the first cooler, the first adsorption tower, the second cooler and the second adsorption tower in sequence and then is led out.
Preferably, when the first valve, the second valve, the fifth valve, the sixth valve, the eleventh valve and the twelfth valve are closed and the third valve and the fourth valve are opened, the seventh valve and the ninth valve are opened simultaneously, and/or the eighth valve and the tenth valve are opened simultaneously, and the flue gas passes through the first cooler and the second cooler in sequence and then is guided to at least one of the first adsorption tower and the second adsorption tower.
Preferably, the valve is a pneumatic valve and is switched between an open and a closed state by control of a solenoid valve;
and a plurality of valves are correspondingly connected to the controller.
Preferably, a thermometer and a pressure gauge are arranged on the connecting pipeline, and the thermometer and the pressure gauge are correspondingly connected to the controller.
Preferably, the cooler is a water cooling device.
Preferably, the adsorbent is any one or more of alumina, zeolite molecular sieve and silica gel.
A method of controlling a compression boiler flue gas dehydration drying apparatus, the method comprising:
step S1, leading out the flue gas after sequentially passing through the second adsorption tower, the second cooler and the first adsorption tower, so that the first adsorption tower performs adsorption work, and the second adsorption tower performs thermal regeneration;
step S2, leading out the flue gas after passing through the first cooler, the second adsorption tower, the second cooler and the first adsorption tower in sequence; enabling the first adsorption tower to perform adsorption work, and enabling the second adsorption tower to perform cold regeneration;
step S3, leading out the flue gas after sequentially passing through the first cooler, the second cooler and the first adsorption tower, so that the first adsorption tower performs adsorption work, and the second adsorption tower is in standby;
step S4, leading the flue gas to the first adsorption tower and the second adsorption tower simultaneously after passing through the first cooler and the second cooler in sequence; after the continuous period of time, stopping guiding the flue gas to the first adsorption tower, enabling the first adsorption tower to stand by, and enabling the second adsorption tower to perform adsorption work;
step S5, leading out the flue gas after sequentially passing through a first adsorption tower, a second cooler and a second adsorption tower, so that the second adsorption tower performs adsorption work, and the first adsorption tower performs thermal regeneration;
step S6, leading out the flue gas after sequentially passing through the first cooler, the first adsorption tower, the second cooler and the second adsorption tower, so that the second adsorption tower performs adsorption work, and the first adsorption tower performs cold regeneration;
step S7, leading out the flue gas after sequentially passing through the first cooler, the second cooler and the second adsorption tower, so that the second adsorption tower performs adsorption work, and the first adsorption tower is standby;
step S8, leading the flue gas to the first adsorption tower and the second adsorption tower simultaneously after passing through the first cooler and the second cooler in sequence; after the continuous period of time, stopping guiding the flue gas to the second adsorption tower, enabling the second adsorption tower to stand by, and enabling the first adsorption tower to perform adsorption work;
and step S9, circulating the steps S1-S8 to circularly regenerate the adsorbents in the two adsorption towers.
Has the advantages that: the utility model regenerates the adsorbent by using the waste heat of the flue gas, decomposes and analyzes the adsorbed water by using the adsorbent through temperature change, effectively utilizes the heat of the flue gas, belongs to a device with zero gas consumption and zero power consumption, has obvious energy-saving effect and can greatly reduce the carbon emission.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. Wherein:
FIG. 1 is a schematic diagram of piping connections in an embodiment provided herein;
FIG. 2 is a schematic view showing the state of a valve for heat regeneration of one of the adsorption columns according to the embodiment of the present invention;
FIG. 3 is a schematic view of the valve state of one of the adsorption towers for cold regeneration according to the embodiment of the present invention;
FIG. 4 is a schematic view showing the state of a valve in which only one of the adsorption columns operates according to the embodiment of the present invention;
FIG. 5 is a schematic diagram showing the states of the valves for cooling and operating two adsorption towers simultaneously according to the embodiment of the present invention.
In the figure: 1. a first adsorption tower; 2. a second adsorption column; 3. a second cooler; 4. a first cooler; 5. an electric cabinet; 21. a first connecting line; 22. a second connecting line; 23. a third connecting pipeline; 24. a fourth connecting pipeline; 25. a fifth connecting pipeline; 26. a sixth connecting line; 27. a seventh connecting line; 28. an eighth connecting pipeline; 29. a ninth connecting line; 101. a first valve; 102. a second valve; 103. a third valve; 104. a fourth valve; 105. a fifth valve; 106. a sixth valve; 107. a seventh valve; 108. an eighth valve; 109. a ninth valve; 110. a tenth valve; 111. an eleventh valve; 112. a twelfth valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
In the description of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are for convenience of description of the present invention only and do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "connected" and "connected" used herein should be interpreted broadly, and may include, for example, a fixed connection or a detachable connection; they may be directly connected or indirectly connected through intermediate members, and specific meanings of the above terms will be understood by those skilled in the art as appropriate.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
As shown in fig. 1 to 5, the drying apparatus provided by the present invention includes: the cooler is used for cooling the gas passing through the cooler; the adsorption tower is internally provided with an adsorbent to adsorb moisture in the flue gas, the adsorbent can desorb the adsorbed moisture by heating, and the adsorbent is kept dry again by external heating and temperature rise, so that the adsorbent can be recycled, the treatment cost is reduced, and the generation of waste residues is reduced, which is hereinafter referred to as thermal regeneration; the two adsorption towers are connected with the two coolers through a plurality of connecting pipelines, and valves are arranged on the connecting pipelines to control the guiding of the connecting pipelines, so that the flue gas passes through at least one cooler after passing through one adsorption tower, and the cooled flue gas passes through the other adsorption tower to carry out moisture adsorption; under this flue gas circulation way, the flue gas directly gets into one of them adsorption tower, carries out thermal regeneration to the adsorbent in this adsorption tower to the heat in to the flue gas is recycled, and then the flue gas cools off through the cooler, and another adsorption tower adsorbs the flue gas, adsorbs sulphide and nitrogen oxide in the flue gas, in order to reach gas cleaning and refrigerated purpose.
Through the switching of the states of a plurality of valves, the flue gas can also pass through another cooler and another adsorption tower after sequentially passing through one cooler and one adsorption tower; in this flue gas flow path, the cooled flue gas is introduced into an adsorption tower, and the adsorbent subjected to thermal regeneration is rapidly cooled to recover the capacity of adsorbing moisture by cooling, thereby performing cold regeneration of the adsorbent, wherein the method of recovering the capacity of adsorbing moisture by cooling is a cold regeneration method, hereinafter referred to as cold regeneration.
Also can make the flue gas in proper order behind two coolers, lead to at least one adsorption tower, can select to carry out absorbent adsorption tower according to actual need, for example, more in the flue gas, under the higher condition of moisture content, make two adsorption towers simultaneous workings, improve purification efficiency, perhaps carry out the function switching in-process at two adsorption towers and carry out the transition.
In the utility model, the heat of the flue gas is fully utilized, the temperature of the adsorbent is raised through the flue gas, so that the moisture adsorbed on the surface of the adsorbent is separated, the adsorption performance of the adsorbent is recovered, and the adsorbent can be reused. The recycling of the adsorbent can be realized through regeneration, the treatment cost is reduced, and the generation of waste residues is reduced.
It should be noted that, in fig. 2-5, the valve includes two forms, namely a solid valve and a hollow valve, wherein the hollow valve represents that the valve is in an open state, and the solid valve represents that the valve is in a closed state.
In another optional embodiment, the adsorption tower comprises a first adsorption tower 1 and a second adsorption tower 2, the coolers comprise a first cooler 4 and a second cooler 3, the air inlet ends of the first cooler 4 and the second cooler 3 are communicated through a first connecting pipeline 21, a first valve 101 and a second valve 102 which are connected in series are arranged on the first connecting pipeline 21, a flue gas inlet positioned between the first cooler and the first valve is arranged on the first connecting pipeline, and flue gas can be introduced into the first cooler 4 and the first valve 101 from the flue gas inlet as required; the air outlet end of the first cooler 4 is communicated with the air inlet end of the second cooler 3 through a second connecting pipeline 22, and a third valve 103 and a fourth valve 104 which are connected in series are arranged on the second connecting pipeline 22; the lower ends of the first adsorption tower 1 and the second adsorption tower 2 are communicated through a third connecting pipeline 23, and a fifth valve 105 and a sixth valve 106 which are connected in series are arranged on the third connecting pipeline 23; fourth connecting pipelines 24 are communicated between the fifth valve 105 and the first adsorption tower 1 and between the sixth valve 106 and the second adsorption tower 2, and a seventh valve 107 and an eighth valve 108 which are connected in series are arranged on the fourth connecting pipelines 24;
the upper ends of the first adsorption tower 1 and the second adsorption tower 2 are communicated through a fifth connecting pipeline 25, and a ninth valve 109 and a tenth valve 110 which are connected in series are arranged on the fifth connecting pipeline 25; a sixth connecting pipeline 26 is communicated between the ninth valve 109 and the first adsorption tower 1 and between the tenth valve 110 and the second adsorption tower 2, an eleventh valve 111 and a twelfth valve 112 which are connected in series are arranged on the sixth connecting pipeline 26, and the flue gas is led out from between the ninth valve 109 and the tenth valve 110;
a seventh connecting pipeline 27 is arranged between the third valve 103 and the fourth valve 104, and the seventh connecting pipeline 27 is communicated between the fifth valve 105 and the sixth valve 106; an eighth connecting pipeline 28 is arranged at the gas outlet end of the second cooler 3, and the eighth connecting pipeline 28 is communicated between the seventh valve 107 and the eighth valve 108; a ninth connecting line 29 is provided between the first valve 101 and the second valve 102, and the ninth connecting line 29 is connected between the eleventh valve 111 and the twelfth valve 112.
In this embodiment, when the first valve 101, the fourth valve 104, the sixth valve 106, the seventh valve 107, the ninth valve 109, and the twelfth valve 112 are opened and the remaining valves are closed, the flue gas passes through the second adsorption tower 2, the second cooler 3, and the first adsorption tower 1 in sequence and is then discharged.
Or when the first valve 101, the fourth valve 104, the fifth valve 105, the eighth valve 108, the tenth valve 110 and the eleventh valve 111 are opened and the remaining valves are closed, the flue gas passes through the first adsorption tower 1, the second cooler 3 and the second adsorption tower 2 in sequence and is then led out.
In this embodiment, when the second valve 102, the third valve 103, the sixth valve 106, the seventh valve 107, the ninth valve 109, and the twelfth valve 112 are opened and the remaining valves are closed, the flue gas passes through the first cooler 4, the second adsorption tower 2, the second cooler 3, and the first adsorption tower 1 in sequence and is then discharged.
Or when the second valve 102, the third valve 103, the fifth valve 105, the eighth valve 108, the tenth valve 110, and the eleventh valve 111 are opened and the remaining valves are closed, the flue gas passes through the first cooler 4, the first adsorption tower 1, the second cooler 3, and the second adsorption tower 2 in sequence and is then discharged.
In this embodiment, when the first valve 101, the second valve 102, the fifth valve 105, the sixth valve 106, the eleventh valve 111, and the twelfth valve 112 are closed, the third valve 103 and the fourth valve 104 are simultaneously opened, the seventh valve 107 and the ninth valve 109 are simultaneously opened, and/or the eighth valve 108 and the tenth valve 110 are simultaneously opened, and the flue gas passes through the first cooler 4 and the second cooler 3 in sequence and is then guided to at least one of the first adsorption tower 1 and the second adsorption tower 2.
Based on above-mentioned flue gas direction route, can install following work flow to this device and move:
step S1, the first adsorption tower 1 carries out adsorption work, and the second adsorption tower 2 carries out heat regeneration;
the flue gas of the high-temperature compression boiler with the temperature exceeding 100 ℃ is guided into the second adsorption tower 2 through the first valve 101 and the twelfth valve 112, because the flue gas temperature is high, the adsorbent in the second adsorption tower 2 can be thermally regenerated, the flue gas passing through the second adsorption tower 2 is guided into the second cooler 3 through the sixth valve 106 and the fourth valve 104, the flue gas is cooled through the second cooler 3, the cooled flue gas enters the first adsorption tower 1, the flue gas is dried, and then the flue gas is guided out through the ninth valve 109. This process lasts about 90 min.
Step S2, the first adsorption tower 1 carries out adsorption work, and the second adsorption tower 2 carries out cold regeneration;
after the thermal regeneration of the second adsorption tower 2 is finished, the flue gas enters the first cooler 4 for primary temperature reduction, then enters the second adsorption tower 2 through the third valve 103 and the sixth valve 106, the adsorbent in the second adsorption tower is swept and cooled, then enters the second cooler 3 through the twelfth valve 112 and the second valve 102 for further temperature reduction, the flue gas enters the first adsorption tower 1 through the seventh valve 107 after further temperature reduction, and the flue gas which is subjected to the first moisture adsorption is discharged through the ninth valve 109. This process lasted for 30 min.
Step S3, the first adsorption tower 1 performs adsorption work, and the second adsorption tower 2 is standby;
the high-temperature boiler flue gas passes through the first cooler 4, the third valve 103, the fourth valve 104 and the second cooler 3 in sequence, after 2-stage cooling and dewatering, enters the first adsorption tower 1 through the seventh valve 107, and the dry flue gas is discharged through the ninth valve 109. This process lasted 60 min.
Step S4, switching between the first adsorption tower 1 and the second adsorption tower 2;
the first adsorption tower 1 is adsorbed for 180min to reach saturation state and needs to be regenerated, the second adsorption tower 2 is started to work, the two adsorption towers simultaneously admit air and simultaneously dry and dehydrate, and the process lasts for about 3min to perform transition. After the continuous period of time, the flue gas is stopped to be guided to the first adsorption tower, so that the first adsorption tower is in standby, the second adsorption tower performs adsorption work, and the first adsorption tower 1 and the second adsorption tower 2 are switched.
Step S5, the second adsorption tower 2 performs adsorption work, and the first adsorption tower 1 performs heat regeneration;
when the first valve 101, the fourth valve 104, the fifth valve 105, the eighth valve 108, the tenth valve 110 and the eleventh valve 111 are opened and the rest valves are closed, the flue gas is led out after sequentially passing through the first adsorption tower 1, the second cooler 3 and the second adsorption tower 2, and the process lasts for 90 min.
Step S6, the second adsorption tower 2 performs adsorption work, and the first adsorption tower 1 performs cold regeneration;
when the second valve 102, the third valve 103, the fifth valve 105, the eighth valve 108, the tenth valve 110 and the eleventh valve 111 are opened and the rest valves are closed, the flue gas passes through the first cooler 4, the first adsorption tower 1, the second cooler 3 and the second adsorption tower 2 in sequence and then is led out, and the process lasts for 30 min.
Step S7, the second adsorption tower 2 performs adsorption work, and the first adsorption tower 1 is standby;
the high-temperature boiler flue gas passes through the first cooler 4, the third valve 103, the fourth valve 104 and the second cooler 3 in sequence, after 2-stage cooling and dewatering, enters the second adsorption tower 2 through the eighth valve 108, and the dry flue gas is discharged through the tenth valve 110. This process lasted 60 min.
Step S8, switching between the first adsorption tower 1 and the second adsorption tower 2;
the second adsorption tower 2 is adsorbed for 180min to reach saturation state, regeneration is needed, the first adsorption tower 1 starts to work, air is simultaneously fed into the two adsorption towers, and drying and dehydration are simultaneously carried out, wherein the process lasts for about 3min for transition. After a period of time, the flue gas is stopped to be guided to the second adsorption tower, so that the second adsorption tower is in standby, the first adsorption tower performs adsorption work, and the first adsorption tower 1 and the second adsorption tower 2 are switched.
And step S9, the steps are circulated, so that the adsorbents in the two adsorption towers are regenerated in a circulating mode, zero consumption is realized, and the adsorbents do not need to be replaced.
In another alternative embodiment, the valve is a pneumatic valve and is switched between open and closed states by control of a solenoid valve; the valves are correspondingly connected to the controller. The controller can control each valve, and the valves are automatically controlled through programming, so that the automatic control system operates according to the working process, has high automation degree, and does not need manual intervention, wherein the controller is arranged in the electric cabinet 5.
In this embodiment, a thermometer and a pressure gauge are arranged on the connection pipeline, and the thermometer and the pressure gauge are correspondingly connected to the controller. The automatic control system comprises a first adsorption tower, a second adsorption tower, a gas inlet of flue gas, a gas outlet of the flue gas, a pressure gauge, thermometers, a controller and a pneumatic valve, wherein the pressure gauges are arranged on the first adsorption tower, the second adsorption tower, the gas inlet of the flue gas and the gas outlet of the flue gas at least in a corresponding mode, the thermometers are arranged at two ends of the first adsorption tower, two ends of the second adsorption tower, the gas inlet of the flue gas and the gas outlet of the flue gas at least in a corresponding mode, as shown in figure 1, the thermometers and instrument parameters of the pressure gauges are uploaded to the controller in a unified mode, effects of measurement, adjustment, recording, alarming, storage and the like are achieved, the pneumatic valve is controlled to be automatically switched through an electromagnetic valve by the controller, and automatic and stable operation of equipment is guaranteed. Wherein the controller is an editable logic controller or a distributed control system.
In another alternative embodiment, the adsorbent is any one or more of alumina, zeolite, molecular sieve, silica gel, and may be, for example, a mixture of alumina and zeolite molecular sieve, a mixture of alumina and silica gel, a mixture of zeolite molecular sieve and silica gel, or a mixture of three of alumina, zeolite molecular sieve, and silica gel.
The cooler is water cooling plant to correspond at water cooling plant's water inlet and delivery port and connect the water pipe, set up the valve on the water pipe, and with this valve connection on the controller, the controller is equally through solenoid valve to water cooling plant's intaking control, stops supplying water when not using, with the water economy resource. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
The above description is only exemplary of the utility model and should not be taken as limiting the utility model, as any modification, equivalent replacement, or improvement made within the spirit and principle of the utility model is intended to be covered by the appended claims.
Claims (9)
1. The utility model provides a compression boiler flue gas dehydration drying device which characterized in that includes:
the adsorption tower is internally provided with an adsorbent to adsorb moisture in the flue gas;
a cooler for cooling the gas passing through the cooler;
the two adsorption towers are connected with the two coolers through a plurality of connecting pipelines, and valves are arranged on the connecting pipelines to control the guiding of the connecting pipelines, so that the flue gas passes through at least one of the coolers after passing through one of the adsorption towers, and the flue gas passing through the cooler is guided to the other adsorption tower;
or the flue gas passes through one of the coolers in sequence and then is guided into one of the adsorption towers and then passes through the other cooler and the other adsorption tower;
or the flue gas is guided to at least one adsorption tower after sequentially passing through the two coolers.
2. The flue gas dehydration and drying device of a compression boiler according to claim 1, wherein said adsorption tower comprises a first adsorption tower and a second adsorption tower, said cooler comprises a first cooler and a second cooler, the inlet ends of said first cooler and said second cooler are connected through a first connecting pipeline, a first valve and a second valve are connected in series on said first connecting pipeline, said first connecting pipeline is provided with a flue gas inlet between said first cooler and said first valve; the air outlet end of the first cooler is communicated with the air inlet end of the second cooler through a second connecting pipeline, and a third valve and a fourth valve which are connected in series are arranged on the second connecting pipeline;
the lower ends of the first adsorption tower and the second adsorption tower are communicated through a third connecting pipeline, and a fifth valve and a sixth valve which are connected in series are arranged on the third connecting pipeline; fourth connecting pipelines are communicated between the fifth valve and the first adsorption tower and between the sixth valve and the second adsorption tower, and a seventh valve and an eighth valve which are connected in series are arranged on the fourth connecting pipelines;
the upper ends of the first adsorption tower and the second adsorption tower are communicated through a fifth connecting pipeline, and a ninth valve and a tenth valve which are connected in series are arranged on the fifth connecting pipeline; a sixth connecting pipeline is communicated between the ninth valve and the first adsorption tower and between the tenth valve and the second adsorption tower, an eleventh valve and a twelfth valve which are connected in series are arranged on the sixth connecting pipeline, and the flue gas is led out from between the ninth valve and the tenth valve;
a seventh connecting pipeline is arranged between the third valve and the fourth valve, and the seventh connecting pipeline is communicated between the fifth valve and the sixth valve; an eighth connecting pipeline is arranged at the air outlet end of the second cooler and communicated between the seventh valve and the eighth valve; and a ninth connecting pipeline is arranged between the first valve and the second valve, and the ninth connecting pipeline is communicated between the eleventh valve and the twelfth valve.
3. The flue gas dehydration and drying device of compression boiler of claim 2, characterized in that when the first valve, the fourth valve, the sixth valve, the seventh valve, the ninth valve and the twelfth valve are opened and the rest valves are closed, the flue gas passes through the second adsorption tower, the second cooler and the first adsorption tower in sequence and then is led out;
or when the first valve, the fourth valve, the fifth valve, the eighth valve, the tenth valve and the eleventh valve are opened and the rest valves are closed, the flue gas is led out after passing through the first adsorption tower, the second cooler and the second adsorption tower in sequence.
4. The flue gas dehydration and drying device of compression boiler according to claim 2, wherein when the second valve, the third valve, the sixth valve, the seventh valve, the ninth valve and the twelfth valve are opened and the remaining valves are closed, the flue gas passes through the first cooler, the second adsorption tower, the second cooler and the first adsorption tower in sequence and is then led out;
or when the second valve, the third valve, the fifth valve, the eighth valve, the tenth valve and the eleventh valve are opened and the rest valves are closed, the flue gas passes through the first cooler, the first adsorption tower, the second cooler and the second adsorption tower in sequence and then is led out.
5. The flue gas dehydration drying device of compression boiler according to claim 2, wherein when said first valve, said second valve, said fifth valve, said sixth valve, said eleventh valve and said twelfth valve are closed and said third valve and said fourth valve are opened, said seventh valve and said ninth valve are opened simultaneously, and/or said eighth valve and said tenth valve are opened simultaneously, flue gas is guided to at least one of said first adsorption tower and said second adsorption tower after passing through said first cooler and said second cooler in sequence.
6. The flue gas dehydration drying device of compression boiler according to claim 1, characterized in that said valve is a pneumatic valve and is switched between open and closed state by the control of the solenoid valve;
and a plurality of valves are correspondingly connected to the controller.
7. The compression boiler flue gas dehydration drying device of claim 6, characterized in that a thermometer and a pressure gauge are configured on said connection pipeline, said thermometer and said pressure gauge are correspondingly connected to a controller.
8. The compression boiler flue gas dehydration drying device of claim 1, characterized in that said cooler is a water cooling device.
9. The compression boiler flue gas dehydration drying device of claim 1, characterized in that said adsorbent is any one or more of alumina, zeolite molecular sieve, silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122516809.8U CN216295684U (en) | 2021-10-19 | 2021-10-19 | Compression boiler flue gas dehydration drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122516809.8U CN216295684U (en) | 2021-10-19 | 2021-10-19 | Compression boiler flue gas dehydration drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216295684U true CN216295684U (en) | 2022-04-15 |
Family
ID=81113565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122516809.8U Active CN216295684U (en) | 2021-10-19 | 2021-10-19 | Compression boiler flue gas dehydration drying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216295684U (en) |
-
2021
- 2021-10-19 CN CN202122516809.8U patent/CN216295684U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101732954A (en) | Zero-loss internal recycle type gas purifying method and device | |
| KR101509152B1 (en) | Compressed air dryer for recycling tank cooling by atmosphere and its method | |
| CN101732953A (en) | Energy-saving compressed air drying method and device special for compression heat regenerative pipelines | |
| US20130145779A1 (en) | Absorption type air drying system and method of performing heating regeneration of the same | |
| CN106582200B (en) | Temperature swing adsorption power plant flue gas carbon capture system utilizing middle extraction | |
| CN111495113A (en) | Fixed bed type low-temperature flue gas adsorption desulfurization system and method | |
| KR101883736B1 (en) | Hybrid type absorption air-drying system | |
| CN116196734A (en) | Cement oxy-fuel combustion coupling flue gas carbon dioxide trapping and purifying device | |
| CN201634651U (en) | Natural gas liquification decarburization and dehydration device | |
| CN203315983U (en) | Adsorption type drying machine for air thermal-energy negative-pressure regenerated compressed air | |
| CN216295684U (en) | Compression boiler flue gas dehydration drying device | |
| CN201366305Y (en) | Adsorption type gas purifying device | |
| CN117866678A (en) | Molecular sieve dehydration process | |
| CN113996143A (en) | Compression boiler flue gas dehydration drying device and control method | |
| CN207356872U (en) | The low dew point heat of compression absorption drier of zero gas consumption of one kind | |
| CN101601959A (en) | A kind of Zero gas consumption low dew point compression heat regeneration absorption compressed air drying method and device thereof | |
| CN106823684B (en) | The temperature swing adsorption system and method for carbon dioxide in energy-saving separation industrial smoke | |
| JP4354756B2 (en) | Oxygen removal system and fuel cell system | |
| CN212188501U (en) | Drying and purifying device based on four towers | |
| CN212548930U (en) | Drying and purifying device based on four towers | |
| CN202893161U (en) | Zero-loss internal-circulation-type gas drying device | |
| KR100825391B1 (en) | Non-purge processing absorption type air drying system and method for preventing hunting dew point and keeping up very low dew point | |
| CN205199266U (en) | Zero gas consumption compression heat regeneration adsorption dryer on heat recovery type | |
| CN206778157U (en) | A kind of waste heat regeneration air drying device | |
| CN205880702U (en) | Adsorption dryer's temperature control device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |