CN203043786U - Outer-circulation heating regenerative gas dryer with three-way valves - Google Patents
Outer-circulation heating regenerative gas dryer with three-way valves Download PDFInfo
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- CN203043786U CN203043786U CN 201220733571 CN201220733571U CN203043786U CN 203043786 U CN203043786 U CN 203043786U CN 201220733571 CN201220733571 CN 201220733571 CN 201220733571 U CN201220733571 U CN 201220733571U CN 203043786 U CN203043786 U CN 203043786U
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- triple valve
- filter
- absorption
- way valve
- regenerator
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Abstract
The utility model relates to a gas drying device, and particularly discloses an outer-circulation heating regenerative gas dryer with three-way valves. The outer-circulation heating regenerative gas dryer with the three-way valves comprises a first adsorption/regeneration tower, a second adsorption/regeneration tower, a pre-filter and a post-filter, wherein inlets of the first adsorption/regeneration tower and the second adsorption/regeneration tower are respectively communicated with two ports of the three-way valve A through inlet pipes, and the third port of the three-way valve A is communicated with an outlet of the pre-filter through a pipeline; outlets of the first adsorption/regeneration tower and the second adsorption/regeneration tower are respectively communicated with two ports of the three-way valve B through outlet pipes, and the third port of the three-way valve B is communicated with an inlet of the post-filter through the pipeline, the three-way valve C is arranged between the two outlet pipes and is connected with the three-way valve B in parallel, and the post-filter is connected to the third port of the three-way valve C sequentially through a circulating fan and a heater; and the three-way valve D is arranged between the two inlet pipes, is connected with the three-way valve A in parallel and is connected to the pre-filter sequentially through a cooler and a separator. The outer-circulation heating regenerative gas dryer with the three-way valves ensures the stability of continuous dehydration of the two towers.
Description
Technical field
The utility model relates to a kind of gas drier, is specifically related to a kind of triple valve outer circulation thermal regeneration gas-drying apparatus.
Background technology
In the every field of Compressed Gas production and application, usually need be to Compressed Gas employing dehydration control techniques in various degree to satisfy different instructions for uses, existing absorption type dewatering drying device namely is for the dehydration purified treatment to Compressed Gas.
Present thermal regeneration absorption type gas drier all is provided with two adsorption towers, each adsorption tower is filled with adsorbent, such as molecular sieve, silica gel etc., during operation, one of them adsorption tower is used for Compressed Gas is carried out adsorption dewatering, another adsorption tower will carry out desorption and regeneration to adsorbent, dehydrate thereby two adsorption towers switch the continuous uninterrupted that realizes Compressed Gas in turn.And how to realize that two adsorption towers switch in turn and the regeneration of adsorbent is the key that determines the drying device quality.
Traditional drying device adopts 8 common 2/2-way valves to control the switching of adsorption tower, during the regeneration adsorption tower, from dryer export end throttling step-down small amount of compression gas through the heating after, make the adsorbent desorption through regenerator again, emptying after allowing realizes switching in turn of adsorption tower, and the valve that this kind mode needs is many, pipeline complexity, operation and control difficulty.Based on this kind defective, triple valve closed cycle thermal regeneration formula gas-drying apparatus has appearred, adopt 4 two-position three-way valves to replace 8 2/2-way valves, patent name as ZL200920127370.6 is triple valve closed cycle thermal regeneration formula gas-drying apparatus, regeneration gas is driven by recycle compressor, flow through then heater, regeneration adsorption tower, cooler and separator, get back to recycle compressor at last again, go round and begin again.This device has been simplified the switching pipeline of two adsorption towers, be easy to operate and control, the desorption of adsorbent is taked regeneration gas closed cycle heating and cooling mode, no longer emptying regeneration gas, realized isobaric regeneration, yet, because triple valve closed cycle heating regeneration gas is only through separating and filtering, contain more water, and behind regeneration adsorption tower process thermal regeneration, need lower the temperature to the adsorption tower blast-cold, this moment, heater quit work, and recycle compressor is not being stopped transport commentaries on classics always, regeneration gas is still circulating, the part adsorbent of regeneration gas arrival end adsorbs the residual moisture in regeneration gas and cooler and the separator again in the feasible regeneration adsorption tower, thereby forfeiture part adsorption capacity, because the compressed gas flow direction that needs dehydration to purify is opposite with the mobile direction of regeneration gas, cause it when the adsorption tower that flows out after coming into operation again, polluted by this part adsorbent again, make the dew-point temperature of outlet Compressed Gas rise on the contrary, need through after 1～2 hour, performance indications could be recovered normal level, as the then dry result requirement that do not reach regulation usually of continuation drying during this period.
The utility model content
At above-mentioned weak point of the prior art, the utility model aims to provide a kind of triple valve outer circulation thermal regeneration formula gas-drying apparatus, avoid adsorption tower/regeneration to be polluted by wet regeneration gas at the blast-cold temperature-fall period, guaranteed the dewatering stability of absorption/regenerator.
To achieve these goals, the technical solution of the utility model: a kind of triple valve outer circulation thermal regeneration formula gas-drying apparatus, comprise first and second absorption/regenerator, fore filter, post-filter, entrance at this first and second absorption/regenerator is communicated with two ports of triple valve A through inlet pipe respectively, is communicated with the outlet of fore filter by pipeline at the third connectivity mouth of this triple valve A; Outlet at this first and second absorption/regenerator is communicated with two ports of triple valve B through going out pipe respectively, third connectivity mouth at this triple valve B is communicated with the entrance of post-filter by pipeline, wherein, with triple valve B and be connected to triple valve C, described post-filter is connected on the third connectivity mouth of described triple valve C through circulating fan, heater successively between this scene 2 pipe; With triple valve A and be connected to triple valve D, this triple valve D is connected on the described fore filter through cooler, separator successively between described two inlet pipes.
Further, described triple valve A, B, C, D are two-position three-way valve.
Described heater is electric heater.
Described fore filter is that the one or more serial connections in separator-filter, dust removal filter, the oil removal filter constitute.
Between described separator and fore filter, be provided with first control valve; Between described post-filter and circulating fan, be provided with second control valve.
The beneficial effects of the utility model: changed the regeneration gas endless form, make that the regeneration gas that enters absorption/regenerator all is the Compressed Gas behind the dry decontamination all the time, avoid absorption/regenerator to be polluted by wet regeneration gas at the blast-cold temperature-fall period, guaranteed the dewatering stability of two absorption/regenerators in continuous non-stop run; The valve quantity that also possesses simultaneously traditional drying tower is few, the reliability height, and operating maintenance is easy, isobaric regeneration, device efficiency height, zero-emission, the advantage of environmental protection.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is structure schematic process flow diagram of the present utility model.
The specific embodiment
Further describe the utility model below in conjunction with specific embodiment and accompanying drawing.
A kind of triple valve outer circulation thermal regeneration formula gas-drying apparatus as shown in Figure 1 comprises first and second absorption/ regenerator 10,20, fore filter 1, post-filter 6, be communicated with two ports of triple valve A2 through inlet pipe respectively at this first and second absorption/ regenerator 10,20 entrance, be communicated with by the outlet of pipeline with fore filter 1 at the third connectivity mouth of this triple valve A2; Be communicated with two ports of triple valve B12 through going out pipe respectively in this first and second absorption/ regenerator 10,20 outlet, third connectivity mouth at this triple valve B12 is communicated with by the entrance of pipeline with post-filter 6, wherein, with triple valve B12 and be connected to triple valve C11, described post-filter 6 is connected on the third connectivity mouth of described triple valve C11 through circulating fan 7, heater 8 successively between this scene 2 pipe; With triple valve A2 and be connected to triple valve D3, this triple valve D3 is connected on the described fore filter 1 through cooler 4, separator 5 successively between described two inlet pipes.
This triple valve outer circulation thermal regeneration formula gas-drying apparatus in use, extract the part dry gas by dry gas exit or post-filter 6 positions by circulating fan 7, heater via 8 heating, flow through first again, two absorption/regenerators 10, in one of 20, to the adsorbent desorption in this corresponding absorption/regenerator, and another absorption/regenerator carries out compressed air drying, by the Compressed Gas behind the adsorbent desorption again through cooler 4, separator 5 back Compressed Gas and Compressed Gas to be dried are mixed into to the pipeline of air inlet, and separator 5 isolated water are discharged.This kind mode makes in the circulating line that carries out the adsorbent desorption and regeneration, enter that Compressed Gas that absorption/regenerator carries out the adsorbent desorption and regeneration is always behind the dry decontamination and through the Compressed Gas of heating, also just avoid absorption/regenerator to be polluted by wet regeneration gas at the blast-cold temperature-fall period, guaranteed the dewatering stability that two absorption/regenerators switch.
Described triple valve A2 in the utility model, B12, C11, D3 are the two-bit triplet magnetic valve.Described heater 8 is electric heater.Described fore filter 1 is that the one or more serial connections in separator-filter, dust removal filter, the oil removal filter constitute.At last, between described separator 5 and fore filter 1, be provided with first control valve 13; Between described post-filter 6 and circulating fan 7, be provided with second control valve 14, be used for the amount of the control and regulation Compressed Gas that extracts.
The utility model is applicable to the drying of all gases.Below with the first absorption/regenerator 10 as adsorption tower, second absorption/the regenerator 20 is that example illustrates operation principle of the present utility model as regenerator: during absorption, the air-flow that contains moisture enters fore filter 1 through air inlet, after removing impurity, advance triple valve A2 and enter in the first absorption/regenerator 10, after dehydrating, entered through triple valve B12 by 10 outlets of this first absorption/regenerator and enter in gas outlet or the caisson after removing dust in the post-filter 6.And when regeneration, second absorption/the regenerator 20 is by unlatching, the closure of valve, extracted through circulating fan 7 by post-filter 6, enter heating in the heater 8, enter to the second absorption/regenerator 20 by triple valve C11 again and carry out the adsorbent desorption and regeneration, then this gas by the outlet of the second absorption/regenerator 20 by triple valve D3 enter to cooler 4, separator 5 carries out gas-liquid separation, isolated water is discharged, and gas enters to fore filter 1 or air inlet mixes with Compressed Gas to be dried, enters again in the first absorption/regenerator 10 to carry out processed; And the Compressed Gas that of newly dewatering extracts small part gas again and enters regenerator regeneration.
When the adsorption capacity of the first absorption/regenerator 10 saturated, when reaching the work period of setting, four triple valve A2, B12, the corresponding passage of C11, D3 are closed and opened to automatic control system, the automatic switchover duty also can adopt manual control, transfers the first absorption/regenerator 10 to regenerator, second absorption/the regenerator 20 transfers adsorption tower to, like this, the adsorption-regeneration process of two towers hockets, and the air feed process is able to successively.
More than technical scheme that the utility model embodiment is provided be described in detail, used specific case herein principle and the embodiment of the utility model embodiment are set forth, the explanation of above embodiment only is applicable to the principle that helps to understand the utility model embodiment; Simultaneously, for one of ordinary skill in the art, according to the utility model embodiment, the part that on the specific embodiment and range of application, all can change, in sum, this description should not be construed as restriction of the present utility model.
Claims (6)
1. triple valve outer circulation thermal regeneration formula gas-drying apparatus, comprise first and second absorption/regenerator (10,20), fore filter (1), post-filter (6), at the entrance of this first and second absorption/regenerator (10,20) respectively through inlet pipe and triple valve A(2) two ports be communicated with, at this triple valve A(2) third connectivity mouth be communicated with by the outlet of pipeline with fore filter (1); In the outlet of this first and second absorption/regenerator (10,20) respectively through going out pipe and triple valve B(12) two ports be communicated with, at this triple valve B(12) third connectivity mouth be communicated with by the entrance of pipeline with post-filter (6), it is characterized in that: between this scene 2 pipe with triple valve B(12) and be connected to triple valve C(11), described post-filter (6) is connected to described triple valve C(11 through circulating fan (7), heater (8) successively) third connectivity mouth on; Between described two inlet pipes with triple valve A(2) and be connected to triple valve D(3), this triple valve D(3) be connected on the described fore filter (1) through cooler (4), separator (5) successively.
2. triple valve outer circulation thermal regeneration formula gas-drying apparatus according to claim 1 is characterized in that: described triple valve A, B, C, D(2,12,11,3) be two-position three-way valve.
3. triple valve outer circulation thermal regeneration formula gas-drying apparatus according to claim 1, it is characterized in that: described heater (8) is electric heater.
4. triple valve outer circulation thermal regeneration formula gas-drying apparatus according to claim 1 is characterized in that: described fore filter (1) constitutes for the one or more serial connections in separator-filter, dust removal filter, the oil removal filter.
5. triple valve outer circulation thermal regeneration formula gas-drying apparatus according to claim 1 is characterized in that: be provided with first control valve (13) between described separator (5) and fore filter (1).
6. triple valve outer circulation thermal regeneration formula gas-drying apparatus according to claim 1 or 5 is characterized in that: be provided with second control valve (14) between described post-filter (6) and circulating fan (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220733571 CN203043786U (en) | 2012-12-27 | 2012-12-27 | Outer-circulation heating regenerative gas dryer with three-way valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220733571 CN203043786U (en) | 2012-12-27 | 2012-12-27 | Outer-circulation heating regenerative gas dryer with three-way valves |
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| Publication Number | Publication Date |
|---|---|
| CN203043786U true CN203043786U (en) | 2013-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220733571 Withdrawn - After Issue CN203043786U (en) | 2012-12-27 | 2012-12-27 | Outer-circulation heating regenerative gas dryer with three-way valves |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103028304A (en) * | 2012-12-27 | 2013-04-10 | 重庆联合机器制造有限公司 | External circulation heating regeneration gas dryer with three-way valves |
-
2012
- 2012-12-27 CN CN 201220733571 patent/CN203043786U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103028304A (en) * | 2012-12-27 | 2013-04-10 | 重庆联合机器制造有限公司 | External circulation heating regeneration gas dryer with three-way valves |
| CN103028304B (en) * | 2012-12-27 | 2016-02-10 | 重庆联合机器制造有限公司 | Triple valve external circulation heating regenerative gas-drying apparatus |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130710 Effective date of abandoning: 20160210 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |