CN206853402U - Pressure swing adsorption gas separation device - Google Patents

Pressure swing adsorption gas separation device Download PDF

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Publication number
CN206853402U
CN206853402U CN201720646957.2U CN201720646957U CN206853402U CN 206853402 U CN206853402 U CN 206853402U CN 201720646957 U CN201720646957 U CN 201720646957U CN 206853402 U CN206853402 U CN 206853402U
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China
Prior art keywords
control valve
group
adsorption tower
valve
check valve
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Active
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CN201720646957.2U
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Chinese (zh)
Inventor
何锦杰
郑州
刘益民
胡金国
刘海龙
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Shanghai Ruiqi Gas Technology Co., Ltd
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SHANGHAI TONGXUE INDUSTRIAL Co Ltd
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Abstract

The utility model provides a kind of pressure swing adsorption gas separation device, including the first adsorption tower and the second adsorption tower parallel with one another, first group of check valve parallel with one another and first group of control valve are connected between first adsorption tower and second adsorption tower, the 3rd control valve and each self-forming branch road are connected between first group of check valve and first group of control valve, the branch road of first group of check valve is connected with the outlet of finished product gas, the branch road of first group of control valve is connected with the 4th control valve, for desorption waste gas purging displacement.The utility model solves the problems such as existing pressure swing adsorption gas separation device finished product gas consumption amount is big, plant energy consumption is high and manufacturing cost is high.

Description

Pressure swing adsorption gas separation device
Technical field
The utility model belongs to gas separation technique field, is related to a kind of pressure swing adsorption gas separation device.
Background technology
At present, the equipment for mixed gas being separated using adsorbent transformation includes boosting absorption, depressurization desorption and regeneration air-blowing Sweep three processes.Its operation principle is:When one or one are assembled with the container (abbreviation adsorption tower) of adsorbent in boosting absorption production During gas, while another or one group of adsorption tower emptying depressurization desorption regeneration, and using part finished product gas by just in depressurization desorption It is adsorbent bed, to adsorbent desorption waste gas carry out purging displacement;Such alternating cycle work, constantly export finished product gas.
As shown in Figure 1 to Figure 3, pressure swing adsorption gas separation device of the prior art includes:First group of adsorption tower, first Silencer 3 ', first group of check valve, first group of control valve, first throttle valve 8 '.In Fig. 2 and Fig. 3, the main gas circuit of A ' expressions, B ' tables Show purging gas circuit, wherein, balance pipe line and control valve, admission line and control valve between first group of adsorption tower, exhaust pipe Line and control valve do not embody in Fig. 1.
First group of adsorption tower includes the first adsorption tower 1 ' and the second adsorption tower 2 ' parallel with one another.First absorption First group of check valve parallel with one another and first group of control valve are connected between the top of tower 1 ' and the top of the second adsorption tower 2 '.
First group of check valve includes the first check valve 4 ' and the second check valve 5 ' being serially connected, first group of control Valve processed includes the first control valve 6 ' and the second control valve 7 ' that are serially connected, described in one end of the first throttle valve 8 ' is connected to The first check valve 4 ' and the second described check valve 5 ' between, the other end of the first throttle valve 8 ' is connected to described the Between one control valve 6 ' and the second described control valve 7 ', the outlet 9 ' of finished product gas is connected to first control valve 6 ' and described The second control valve 7 ' between, the bottom of first adsorption tower 1 ' and the bottom of the second adsorption tower 2 ' pass through exhaust pipe line And control valve (not shown) is connected with the entrance of the first silencer 3 '.
However, itself finished product gas is relied on using the adsorbent desorption waste gas of the pressure swing adsorption gas separation device of said structure Displacement is purged to it certainly will produce following shortcoming:
A. the waste of finished product gas is caused;
B. finished product gas specific energy consumption is higher, causes plant energy consumption height;
C. finished product gas excess production capacity, installation cost height is caused.
Utility model content
The defects of to overcome present in prior art, a kind of pressure swing adsorption gas separation device is now provided, it is existing to solve The problems such as pressure swing adsorption gas separation device finished product gas consumption amount is big, plant energy consumption is high and manufacturing cost is high.
To achieve the above object, solution of the present utility model is:
A kind of pressure swing adsorption gas separation device, including the first adsorption tower parallel with one another and the second absorption are provided first Tower, first group of check valve parallel with one another and first group of control are connected between first adsorption tower and second adsorption tower Valve, the 3rd control valve and each self-forming branch road are connected between first group of check valve and first group of control valve, it is described The branch road of first group of check valve is connected with the outlet of finished product gas, and the branch road of first group of control valve is connected with the 4th control valve, with For single step or substep desorption waste gas purging displacement.
Preferably, the bottom of first adsorption tower and the second adsorption tower is entered by exhaust pipe line and control valve respectively And it is connected with silencer.
Preferably, first group of check valve includes the first check valve and the second check valve that are serially connected, and described first Group control valve includes the first control valve and the second control valve being serially connected.
Preferably, the other end of the 4th control valve is connected with purge gass entrance.
The utility model beneficial effect includes:
The utility model considerably reduces the consumption of finished product gas needed for adsorbent desorption waste gas purging displacement, reduces change The production capacity of its finished product gas of adsorptive gas separation apparatus is pressed, the consumption of unstripped gas is reduced, reduces production cost and the buying of user Cost.
Brief description of the drawings
Fig. 1 is the structural representation of pressure swing adsorption gas separation device in the prior art;
Fig. 2 is to desorb waste gas purging displacement corresponding to adsorbent in the first adsorption tower aerogenesis in Fig. 1 and the second adsorption tower Schematic flow sheet;
Fig. 3 is to desorb waste gas purging displacement corresponding to adsorbent in the second adsorption tower aerogenesis in Fig. 1 and the first adsorption tower Schematic flow sheet;
Fig. 4 is the overall structure diagram of the utility model pressure swing adsorption gas separation device;
Fig. 5 is to desorb waste gas purging displacement corresponding to adsorbent in the first adsorption tower aerogenesis in Fig. 1 and the second adsorption tower Schematic flow sheet;
Fig. 6 is to desorb waste gas purging displacement corresponding to adsorbent in the second adsorption tower aerogenesis in Fig. 1 and the first adsorption tower Schematic flow sheet.
Embodiment
The utility model is further illustrated below in conjunction with accompanying drawing illustrated embodiment.
As shown in figure 4, the utility model provide firstly a kind of pressure swing adsorption gas separation device, including:First group of suction Attached tower, 3, first groups of check valves of the first silencer, first group of control valve, the control valve of the 3rd control valve (magnetic valve) the 8, the 4th (electricity Magnet valve) 9.Wherein, balance pipe line and control valve between first group of adsorption tower, admission line and control valve, exhaust pipe line and Control valve does not embody in Fig. 4.
Specifically, first group of adsorption tower includes the first adsorption tower 1 and the second adsorption tower 2 parallel with one another.Described First group of check valve parallel with one another and first group of control are connected between the top of one adsorption tower 1 and the top of the second adsorption tower 2 Valve processed.
Wherein, more preferably, first group of check valve includes the first check valve 4 and the second check valve being serially connected 5;First group of control valve includes the first control valve 6 and the second control valve 7 being serially connected;First check valve 4 and Be provided with two branch roads between two check valves 5, two branch roads respectively with the 3rd control valve (magnetic valve) 8 and the 4th control valve (magnetic valve) 9 One end be connected;Be provided with two branch roads between the control valve 7 of first control valve 6 and second, two branch roads respectively with the 3rd control valve The other end and finished product the gas outlet 10 of (magnetic valve) 8 is connected;The other end of 4th control valve (magnetic valve) 9 enters with purge gass Mouth 11 is connected;The bottom of first adsorption tower 1 and the bottom of the second adsorption tower 2 by exhaust pipe line and control valve (not Diagram) it is connected with the entrance of the first silencer 3.
After with said structure feature, with reference to shown in Fig. 5 and Fig. 6, the utility model can be implemented by procedure below:
In the utility model, it is connected with and is serially connected between the top of the top of the first adsorption tower 1 and the second adsorption tower 2 The first check valve 4 and the second check valve 5, the pipeline between the first check valve 4 and the second check valve 5 is provided with two branch roads, point One end not with the 3rd control valve (magnetic valve) 8 and the 4th control valve (magnetic valve) 9 is connected so as to the first adsorption tower 1 or the The waste gas that adsorbent desorbs in two adsorption towers 2 carries out purging displacement.Wherein,
It can step by step be desorbed, be specifically carried out in two steps:The first step, utilize dry compressed air or low-purity finished product gas By adsorbent desorption waste gas purging displacement in the adsorption tower 2 of the 4th 9 pair of first adsorption tower of control valve (magnetic valve) 1 or second;The Two steps, fraction finished product gas is recycled by being inhaled in the adsorption tower 2 of the 3rd 8 pair of first adsorption tower of control valve (magnetic valve) 1 or second Attached dose of desorption waste gas purging displacement.In figure, A represents main gas circuit, and B represents purging gas circuit.
Certainly, also can single step desorbed:Using low quality finished product gas by the 4th control valve 9 to the first adsorption tower 1 or Adsorbent desorption waste gas purging displacement in second adsorption tower 2.So, the 3rd control valve 8 in figure can be turned off without using.
Thus, the consumption of finished product gas needed for adsorbent desorption waste gas purging displacement is considerably reduced, reduces transformation suction The finished product gas production capacity of attached gas fractionation unit, the consumption of unstripped gas is reduced, reduce the production cost and purchase cost of user.
The above-mentioned description to embodiment is understood that for ease of those skilled in the art and using this reality With new.Person skilled in the art obviously can easily make various modifications to these embodiments, and saying herein Bright General Principle is applied in other embodiment without by performing creative labour.Therefore, the utility model is not limited to Embodiment is stated, those skilled in the art do not depart from the improvement that the utility model category is made according to announcement of the present utility model All should be within the scope of protection of the utility model with modification.

Claims (4)

  1. A kind of 1. pressure swing adsorption gas separation device, it is characterised in that:Adsorbed including the first adsorption tower parallel with one another and second Tower, first group of check valve parallel with one another and first group of control are connected between first adsorption tower and second adsorption tower Valve, the 3rd control valve and each self-forming branch road are connected between first group of check valve and first group of control valve, it is described The branch road of first group of check valve is connected with the outlet of finished product gas, and the branch road of first group of control valve is connected with the 4th control valve, with For desorption waste gas purging displacement.
  2. 2. pressure swing adsorption gas separation device according to claim 1, it is characterised in that:4th control valve it is another End is connected with purge gass entrance.
  3. 3. pressure swing adsorption gas separation device according to claim 1, it is characterised in that:First adsorption tower and second Adsorption tower is connected by exhaust pipe line and control valve and then with silencer respectively.
  4. 4. pressure swing adsorption gas separation device according to claim 1, it is characterised in that:First group of check valve includes The first check valve and the second check valve being serially connected, first group of control valve include the first control valve for being serially connected and the Two control valves.
CN201720646957.2U 2017-06-06 2017-06-06 Pressure swing adsorption gas separation device Active CN206853402U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720646957.2U CN206853402U (en) 2017-06-06 2017-06-06 Pressure swing adsorption gas separation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720646957.2U CN206853402U (en) 2017-06-06 2017-06-06 Pressure swing adsorption gas separation device

Publications (1)

Publication Number Publication Date
CN206853402U true CN206853402U (en) 2018-01-09

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CN201720646957.2U Active CN206853402U (en) 2017-06-06 2017-06-06 Pressure swing adsorption gas separation device

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107051113A (en) * 2017-06-06 2017-08-18 上海通学实业有限公司 Pressure swing adsorption gas separation device and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107051113A (en) * 2017-06-06 2017-08-18 上海通学实业有限公司 Pressure swing adsorption gas separation device and method

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Effective date of registration: 20200811

Address after: Room 7717, building 2, No. 293, Weichang Road, Jinshan District, Shanghai, 201508

Patentee after: Shanghai Ruiqi Gas Technology Co., Ltd

Address before: 201500, room 7, building 101, Jinshi Bay, 16299 Pu Road, Shanyang Town, Jinshan District, Shanghai

Patentee before: SHANGHAI TONGXUE INDUSTRIAL Co.,Ltd.