External circulation type vent gas recovery device of liquid carbon dioxide storage tank

Abstract

The utility model relates to the field of liquid carbon dioxide storage tanks, in particular to an external circulation type vent gas recovery device of a liquid carbon dioxide storage tank, which comprises a movable recovery frame body, a main body used for bearing a carbon dioxide vent gas recovery assembly, and a transverse frame plate arranged in the movable recovery frame body and used for separating the internal space. The external circulation type vent gas recovery device for the liquid carbon dioxide storage tank is provided with the pretreatment tank, the first purification tank, the medicament box, the second purification tank and the circulation storage tank. Carbon dioxide gas flowing out of the liquid carbon dioxide storage tank firstly enters the pretreatment tank to be adsorbed by the activated carbon filter bag to filter out most impurities and harmful factors, then enters the first purification tank to be heated by the inner treatment tank and the electric heating ring, and then is mixed with chemical agents sprayed out by the atomization spray head; and in the same treatment mode, the gas enters the circulating storage tank after being subjected to double purification in the second purification tank.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid carbon dioxide storage tank field, concretely relates to a liquid carbon dioxide storage tank external circulation type vent gas recovery device. BACKGROUND

[0002] Liquid carbon dioxide storage tank is the storage pressure vessel of low temperature liquid carbon dioxide medium, and the storage tank maintains the low temperature state inside through the refrigerator, and the carbon dioxide is stored in the liquid state, when needing to use, liquid carbon dioxide can be converted into gaseous state through the gasification device, and the user uses, in the operation process of liquid carbon dioxide storage tank, due to pressure change, temperature fluctuation or operation need, a certain amount of vent gas may be produced in the storage tank, these vent gas usually contains high concentration carbon dioxide, if directly discharging to the atmosphere, not only will cause resource waste, but also can produce negative influence to the environment, therefore, design and install external circulation type vent gas recovery device, aim at effectively recovering the carbon dioxide in these vent gas, realize the reuse of resources and the protection of environment.

[0003] The existing liquid carbon dioxide storage tank external circulation type vent gas recovery device lacks systematization and continuity in the whole treatment process during use, leads to low processing efficiency, and the overall performance of the recovery device is affected, cannot satisfy the actual demand, and the recovery efficiency of different liquid carbon dioxide storage tanks is affected in the long run.

[0004] Therefore, it is necessary to invent a liquid carbon dioxide storage tank external circulation type vent gas recovery device to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model discloses a purpose is provided with a kind of liquid carbon dioxide storage tank outer circulating formula vent gas recovery device, by pretreatment tank, first purification tank, medicament tank, second purification tank and circulating storage tank realize the purpose that this device completes liquid carbon dioxide storage tank outer circulating formula vent gas recovery, so cooperation uses under let the device have the ability of filtration and multiple purification, increase the flexibility and diversity of processing, and entire processing flow has systematicness and continuity, also can efficiently, flexibly process and store carbon dioxide resource in vent gas, also help environmental protection and resource conservation, also guarantee the security of the device use and the effect of processing efficiency, to solve the liquid carbon dioxide storage tank outer circulating formula vent gas recovery device in prior art in use process, because vent gas contains certain impurity and harmful factor, only rely on single purification process, liquid carbon dioxide storage tank outer circulating formula vent gas recovery device cannot satisfy the purpose of carbon dioxide external circulation, so entire processing flow lacks systematicness and continuity, lead to processing efficiency is low, and also make the overall performance of recovery device be affected, cannot satisfy actual demand, so long-term use also can affect the vent gas recovery efficiency of different liquid carbon dioxide storage tank under problem.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a kind of liquid carbon dioxide storage tank outer circulating formula vent gas recovery device, including mobile recovery frame body, for bearing carbon dioxide vent gas recovery with component main body;

[0007] Horizontal frame plate is arranged in the inside of mobile recovery frame body, for separating internal space, and the top of horizontal frame plate is fixedly installed with pretreatment tank, the inside of pretreatment tank is fixedly installed with fixed frame, the inside of fixed frame is fixedly installed with activated carbon filter bag, the outside of pretreatment tank is provided with second vacuum pump, and the upper end of second vacuum pump is fixedly connected with suction duct;

[0008] First purification tank is arranged above mobile recovery frame body, for purifying treatment to carbon dioxide, and first purification tank is fixedly installed with inner treatment tank in the inside, the outside of inner treatment tank is provided with electric heating ring, the top of first purification tank is fixedly installed with tank cover, the inside of tank cover is fixedly installed with spray cavity, and the bottom of spray cavity is provided with atomizing nozzle;

[0009] Medicament tank is arranged outside mobile recovery frame body, for providing chemical medicament for purification, and the top of medicament tank is fixedly installed with pressurized water pump, the output end of pressurized water pump is fixedly installed with input pipeline, the other end of input pipeline is fixedly connected with spray cavity, and the right side above mobile recovery frame body is provided with second purification tank;

[0010] The circulating storage tank is arranged on the other side of the horizontal rack plate and is used for storing the purified carbon dioxide, and an upper sealing cover is fixedly installed above the circulating storage tank, and a condenser is fixedly installed in the upper sealing cover.

[0011] Preferably, a first vacuum pump is fixedly installed on the top of the moving recovery frame body, an inlet pipe is fixedly installed at the front end of the first vacuum pump, and an outlet pipe is fixedly installed at the rear end of the first vacuum pump.

[0012] Preferably, a plurality of the activated carbon filter bags are arranged, and the plurality of activated carbon filter bags are equidistantly distributed on the fixing frame.

[0013] Preferably, a plurality of the atomizing nozzles are arranged, and the plurality of atomizing nozzles are equidistantly distributed on the spraying cavity.

[0014] Preferably, a recovery pipe is fixedly installed outside the circulating storage tank, and an electromagnetic control valve is fixedly installed at the bottom end of the recovery pipe.

[0015] Preferably, a pressure sensor is arranged in the circulating storage tank, a connecting line is fixedly connected to the outside of the pressure sensor, and a driving display controller is fixedly installed at the other end of the connecting line.

[0016] In the above technical solution, the technical effects and advantages of the present application are provided.

[0017] 1. The present application is provided with a pretreatment tank, a first purification tank, a medicament box, a second purification tank and a circulating storage tank. When the liquid carbon dioxide storage tank external circulation type emptying gas recovery device is used, the carbon dioxide gas flowing out of the liquid carbon dioxide storage tank first enters the pretreatment tank and is adsorbed and filtered by the activated carbon filter bag to remove most of the impurities and harmful factors, then enters the first purification tank and is heated and treated by the inner treatment tank and the electric heating ring, and is mixed with the chemical agent sprayed by the atomizing nozzle. The same treatment method is used in the second purification tank, and the treated carbon dioxide gas is compressed by the external compressor and then enters the condenser in the circulating storage tank. In this way, the carbon dioxide gas releases heat and gradually liquefies and then flows back into the liquid carbon dioxide storage tank, so that the device can complete the purpose of liquid carbon dioxide storage tank external circulation type emptying gas recovery. The use of the device can filter and purify multiple times, increase the flexibility and diversity of treatment, and the whole treatment process has systematization and continuity. The device can efficiently and flexibly treat and store the carbon dioxide resources in the emptying gas, is conducive to environmental protection and resource conservation, and ensures the safety and efficiency of the device.

[0018] 2. The utility model discloses a recovery pipeline, solenoid control valve, pressure sensor, connecting wire and drive display controller are set up, when using the liquid carbon dioxide storage tank outer circulation formula emptying gas recovery device, the device four jar all are provided with pressure sensor, can through drive display controller real -time monitoring the pressure in pretreatment jar, first purification jar, second purification jar and circulation storage jar, thereby ensure the safe and stable operation of device, complete emptying gas recovery work, then the recovery pipeline and solenoid control valve that circulation storage jar outside sets up can adjust the outflow of carbon dioxide according to actual demand, realize the function of flow control, the rational use of auxiliary resources, avoid waste and loss. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0020] Figure 1 It is the whole structure schematic diagram of the utility model;

[0021] Figure 2 It is the pretreatment jar structure schematic diagram of the utility model;

[0022] Figure 3 It is the first purification jar structure schematic diagram of the utility model;

[0023] Figure 4 It is the second purification jar structure schematic diagram of the utility model;

[0024] Figure 5 It is the recovery pipeline structure schematic diagram of the utility model.

[0025] Explanation of reference signs:

[0026] 1, mobile recovery frame body; 2, cross frame plate; 3, first vacuum pump; 4, inlet pipeline; 5, flow pipeline; 6, pretreatment jar; 7, fixed frame; 8, activated carbon filter bag; 9, second vacuum pump; 10, suction pipeline; 11, first purification jar; 12, inner treatment jar; 13, electric heating ring; 14, jar cover; 15, spraying cavity; 16, atomizing nozzle; 17, reagent tank; 18, pressure water pump; 19, input pipeline; 20, second purification jar; 21, circulation storage jar; 22, upper closure cover; 23, condenser; 24, recovery pipeline; 25, solenoid control valve; 26, pressure sensor; 27, connecting wire; 28, drive display controller. DETAILED DESCRIPTION

[0027] In order to make the technical personnel of the prior art better understand the technical scheme of the utility model, the utility model will be described in further detail below in conjunction with the drawings.

[0028] The utility model provides a kind of liquid carbon dioxide storage tank outer circulating type vent gas recovery device as Figures 1-5 As shown in a kind of liquid carbon dioxide storage tank outer circulating type vent gas recovery device, including mobile recovery frame body 1, for bearing carbon dioxide vent gas recovery with component main body;

[0029] Horizontal shelf plate 2 is arranged in the inside of mobile recovery frame body 1, for separating internal space, and the upper portion of horizontal shelf plate 2 is fixedly installed with pretreatment tank 6, the inside of pretreatment tank 6 is fixedly installed with fixed frame 7, and the inside of fixed frame 7 is fixedly installed with activated carbon filter bag 8, the outside of pretreatment tank 6 is provided with second vacuum pump 9, and the upper end of second vacuum pump 9 is fixedly connected with suction duct 10;

[0030] First purification tank 11 is arranged above mobile recovery frame body 1, for purifying treatment to carbon dioxide, and the inside of first purification tank 11 is fixedly installed with inner treatment tank 12, and the outside of inner treatment tank 12 is provided with electric heating ring 13, and the upper portion of first purification tank 11 is fixedly installed with tank cover 14, and the inside of tank cover 14 is fixedly installed with spraying cavity 15, and the bottom of spraying cavity 15 is provided with atomizing nozzle 16;

[0031] Medicine box 17 is arranged outside mobile recovery frame body 1, for providing chemical agent for purification, and the upper portion of medicine box 17 is fixedly installed with pressurized water pump 18, and the output end of pressurized water pump 18 is fixedly installed with input duct 19, and the other end of input duct 19 is fixedly connected with spraying cavity 15, and the upper right side of mobile recovery frame body 1 is provided with second purification tank 20;

[0032] Circulating storage tank 21 is arranged on the other side of horizontal shelf plate 2, for storing purified carbon dioxide, and the upper portion of circulating storage tank 21 is fixedly installed with upper closed cover 22, and the inside of upper closed cover 22 is fixedly installed with condenser 23, and the processed carbon dioxide vent gas is extracted by compressor and duct outside second purification tank 20, compressed, and then input into circulating storage tank 21 and contact condenser 23, so that carbon dioxide gas releases heat and gradually liquefies and reflows into liquid carbon dioxide storage tank, so that the device completes the purpose of liquid carbon dioxide storage tank outer circulating type vent gas recovery.

[0033] As shown in Figure 1 , Figure 2 , Figure 3 And Figure 4As shown, the top of the mobile recovery frame body 1 is fixedly installed with a first vacuum pump 3, the front end of the first vacuum pump 3 is fixedly installed with an inlet pipeline 4, the rear end of the first vacuum pump 3 is fixedly installed with an outlet pipeline 5, the first vacuum pump 3 and the outlet pipeline 5 can be connected with the liquid carbon dioxide storage tank, so that the vent air of the liquid carbon dioxide storage tank can smoothly enter the recovery device, reducing the probability of contact with the outside, a plurality of activated carbon filter bags 8 are arranged on the fixed frame 7, and the plurality of activated carbon filter bags 8 are equally spaced on the fixed frame 7, the pretreatment tank 6 is preliminarily filtered by the plurality of activated carbon filter bags 8, and impurities, harmful factors and odors are effectively removed.

[0034] As shown in Figure 1 , Figure 4 and Figure 5 , a plurality of atomizing nozzles 16 are arranged on the spraying cavity 15, the plurality of atomizing nozzles 16 are equally spaced on the spraying cavity 15, the chemical agent sprayed by the atomizing nozzle 16 is mixed with the vent air, which can further remove residual impurities in the carbon dioxide and improve the purification effect, the outside of the circulating storage tank 21 is fixedly installed with a recovery pipeline 24, the bottom end of the recovery pipeline 24 is fixedly installed with an electromagnetic control valve 25, and the recovery pipeline 24 and the electromagnetic control valve 25 arranged outside the circulating storage tank 21 can adjust the outflow of carbon dioxide according to actual needs, realize the function of flow control, reasonably utilize auxiliary resources, avoid waste and loss, and the inside of the circulating storage tank 21 is provided with a pressure sensor 26, the outside of the pressure sensor 26 is fixedly connected with a connecting line 27, the other end of the connecting line 27 is fixedly installed with a driving display controller 28, and the four tanks of the device are provided with the pressure sensor 26, which can monitor the pressure in the pretreatment tank 6, the first purification tank 11, the second purification tank 20 and the circulating storage tank 21 in real time through the driving display controller 28, so as to ensure the safe and stable operation of the device and complete the vent air recovery work.

[0035] The utility model discloses a liquid carbon dioxide storage tank outside circulating type emptying air recovery device, which comprises a first vacuum pump 3, a second vacuum pump 9, a pressurized water pump 18, a first purification tank 11, a second purification tank 20, a circulating storage tank 21, a recovery pipeline 24 and an electromagnetic control valve 25.

[0036] The above only describes some exemplary embodiments of the utility model through the way of illustration, without doubt, for ordinary skilled person in the art, under the condition of not deviating from the spirit and scope of the utility model, can modify the described embodiment in various different ways. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the utility model claims.

Claims

1. A liquid carbon dioxide storage tank external circulation type venting and recovery device, characterized in that: Comprising The mobile recovery frame (1) is used to carry the carbon dioxide exhaust recovery assembly body; The cross frame plate (2) is arranged in the mobile recovery frame (1), which is used to separate the internal space, and the upper part of the cross frame plate (2) is fixedly installed with a pretreatment tank (6), the inside of the pretreatment tank (6) is fixedly installed with a fixed frame (7), the inside of the fixed frame (7) is fixedly installed with an activated carbon filter bag (8), and the outside of the pretreatment tank (6) is provided with a second vacuum pump (9), and the upper end of the second vacuum pump (9) is fixedly connected with a suction pipeline (10); A first purification tank (11) is arranged above the mobile recovery frame (1) and is used for purifying carbon dioxide, and the inside of the first purification tank (11) is fixedly installed with an internal treatment tank (12), the outside of the internal treatment tank (12) is provided with an electric heating ring (13), the upper part of the first purification tank (11) is fixedly installed with a tank cover (14), the inside of the tank cover (14) is fixedly installed with a spraying cavity (15), and the bottom of the spraying cavity (15) is provided with an atomizing nozzle (16); A chemical tank (17) is arranged outside the mobile recovery frame (1) and is used to provide chemical agents for purification, and the upper part of the chemical tank (17) is fixedly installed with a pressurized water pump (18), the output end of the pressurized water pump (18) is fixedly installed with an input pipeline (19), the other end of the input pipeline (19) is fixedly connected with the spraying cavity (15), and the upper right side of the mobile recovery frame (1) is provided with a second purification tank (20); A circulating storage tank (21) is arranged on the other side of the cross frame plate (2) and is used to store purified carbon dioxide, and the upper part of the circulating storage tank (21) is fixedly installed with an upper sealing cover (22), and the inside of the upper sealing cover (22) is fixedly installed with a condenser (23).

2. The liquid carbon dioxide storage tank external circulation type vent gas recovery apparatus according to claim 1, characterized by: The top of the mobile recovery frame (1) is fixedly installed with a first vacuum pump (3), the front end of the first vacuum pump (3) is fixedly installed with an inflow pipeline (4), and the rear end of the first vacuum pump (3) is fixedly installed with an outflow pipeline (5).

3. The liquid carbon dioxide storage tank external circulation type vent gas recovery apparatus according to claim 1, characterized by: The number of the activated carbon filter bags (8) is multiple, and the multiple activated carbon filter bags (8) are distributed at equal intervals on the fixed frame (7).

4. The liquid carbon dioxide storage tank external circulation type vent gas recovery apparatus according to claim 1, characterized by: The number of the atomizing nozzles (16) is multiple, and the multiple atomizing nozzles (16) are distributed at equal intervals on the spraying cavity (15).

5. The liquid carbon dioxide storage tank external circulation type vent gas recovery apparatus according to claim 1, characterized by: The outside of the circulating storage tank (21) is fixedly installed with a recovery pipeline (24), and the bottom end of the recovery pipeline (24) is fixedly installed with an electromagnetic control valve (25).

6. The liquid carbon dioxide storage tank external circulation type vent gas recovery apparatus according to claim 1, characterized by: The inside of the circulating storage tank (21) is provided with a pressure sensor (26), the outside of the pressure sensor (26) is fixedly connected with a connecting line (27), and the other end of the connecting line (27) is fixedly installed with a driving display controller (28).

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