阅读说明：本技术 一种用于解决密闭防爆卧式离心机转鼓泛液的装置 (Device for solving flooding of drum of airtight explosion-proof horizontal centrifuge ) 是由 张其忠 郭蔡乐 解春明 薛东东 戴林 周英 鲁学锐 唐东升 杨品 张贵 张强 于 2021-09-07 设计创作，主要内容包括：本发明公开了一种用于解决密闭防爆卧式离心机转鼓泛液的装置,包括离心机体和压力调节单元；所述离心机体上设有与其转鼓段内腔室连通的泄压口及出液口后的气液放空口,离心机体上还设有与其出料段内腔室连通的增压口和与出液口连通的气液放空口；本发明通过设置压力调节单元用以平衡离心机转鼓段和出料段的压力差,解决了密闭防爆卧式离心机转鼓泛液的问题,结构巧妙,适用性好；本发明压力调节单元通过设置第一气液分离器,在气体通入离心机出料段前进行除液,避免了液体对出料段产品的影响,保证了生产质量。(The invention discloses a device for solving the problem of liquid flooding of a rotary drum of a closed explosion-proof horizontal centrifuge, which comprises a centrifuge body and a pressure regulating unit, wherein the centrifuge body is provided with a liquid inlet and a liquid outlet; the centrifugal machine body is provided with a pressure relief port communicated with the inner cavity of the rotary drum section of the centrifugal machine body and a gas-liquid vent port behind the liquid outlet, and the centrifugal machine body is also provided with a pressure boosting port communicated with the inner cavity of the discharge section of the centrifugal machine body and a gas-liquid vent port communicated with the liquid outlet; the pressure adjusting unit is arranged to balance the pressure difference between the drum section and the discharge section of the centrifugal machine, so that the problem of liquid flooding of the drum of the closed explosion-proof horizontal centrifugal machine is solved, and the centrifugal machine is ingenious in structure and good in applicability; according to the pressure regulating unit, the first gas-liquid separator is arranged, and liquid is removed before gas is introduced into the discharge section of the centrifugal machine, so that the influence of liquid on products at the discharge section is avoided, and the production quality is ensured.)

1. A device for solving the flooding problem of a rotary drum of a closed explosion-proof horizontal centrifuge is characterized by comprising a centrifuge body (1) and a pressure regulating unit (2); the centrifugal machine body (1) is provided with a pressure relief port (11) communicated with the inner cavity of the rotary drum section of the centrifugal machine body, and the centrifugal machine body (1) is also provided with a pressure boosting port (12) communicated with the inner cavity of the discharge section of the centrifugal machine body and a gas-liquid emptying port (13) communicated with a liquid outlet of the centrifugal machine body; the pressure adjusting unit (2) extracts gas from the rotary drum section through the pressure relief port (11) and the gas-liquid vent port (13), so that the gas is introduced into the discharge section through the pressure boost port (12) after gas-liquid separation, and returns to the inner chamber of the rotary drum section along with the centrifugal work of the centrifugal machine body (1) to balance the pressure difference between the rotary drum section and the discharge section of the centrifugal machine body (1).

2. The device for solving flooding of the drum of a hermetic explosion-proof horizontal centrifuge as recited in claim 1, characterized in that the pressure regulating unit (2) comprises a first gas-liquid separator (21), a second gas-liquid separator (22) and a liquid storage tank (24); a first gas phase inlet (211) on the first gas-liquid separator (21) is communicated with the pressure relief opening (11), a suction unit (23) is arranged between the first gas phase inlet (211) and the pressure relief opening (11), and a first gas phase outlet (212) on the first gas-liquid separator (21) is communicated with the pressure boost opening (12); the suction unit (23) is used for conveying gas of the pressure relief opening (11) into the first gas-liquid separator (21); the first gas-liquid separator (21) is used for removing liquid drops in the gas which is introduced into the first gas-phase inlet (211);

a second liquid phase inlet (221) on the second gas-liquid separator (22) is communicated with a gas-liquid emptying port (13) on the centrifugal machine body (1), a second liquid phase outlet (222) on the second gas-liquid separator (22) is communicated with a liquid storage tank (24), and a second gas phase outlet (223) on the second gas-liquid separator (22) is communicated with the first gas-liquid separator (21); the second gas-liquid separator (22) is used for recovering gas carried in liquid discharged from the gas-liquid vent (13).

3. The device for solving flooding of the drum of the closed explosion-proof horizontal centrifuge as recited in claim 1, characterized in that a differential pressure transmitter for measuring the pressure difference between the inner chamber of the drum section and the inner chamber of the discharge section is provided on the centrifuge body (1).

4. The device for solving the flooding problem of the drum of the closed explosion-proof horizontal centrifuge as claimed in claim 2, wherein the first gas phase inlet (211) is connected with the pressure relief port (11) by a stainless steel air pipe (15).

5. The device for solving the flooding problem of the drum of the closed explosion-proof horizontal centrifuge as claimed in claim 2, wherein the first gas phase outlet (212) is connected with the pressurizing port (12) by a stainless steel air pipe (15).

6. Device for resolving flooding of the bowl of closed explosion-proof horizontal centrifuges according to claim 2 characterized in that said suction unit (23) is an explosion-proof axial fan.

Technical Field

The invention relates to the technical field of centrifugal equipment, in particular to a device for solving the problem of liquid flooding of a rotary drum of a closed explosion-proof horizontal centrifuge.

Background

The centrifugal machine is a machine for separating each component in liquid and solid particles or a mixture of the liquid and the liquid by using centrifugal force; the separating agent is mainly used for separating solid particles from liquid in suspension, or separating two liquids which have different densities and are insoluble with each other in emulsion; in industrial production, the situation that the pressure of a drum section of the closed explosion-proof horizontal centrifuge is too large and the air pressure of a discharge section is too small can occur when the closed explosion-proof horizontal centrifuge is used, when the pressure difference between the pressure of the drum section and the pressure of the discharge section is large enough, liquid flooding phenomenon is generated by blowing out liquid from the sealing position of the drum by airflow in the drum section, and production safety and product quality are affected, so that the problem of liquid flooding of the drum of the closed explosion-proof horizontal centrifuge needs to be solved by designing a device.

Disclosure of Invention

The invention aims to provide a device for solving the problem of liquid flooding of a drum of a closed explosion-proof horizontal centrifuge in the prior art.

In order to solve the technical problem, the device for solving the flooding of the drum of the closed explosion-proof horizontal centrifuge comprises a centrifuge body and a pressure adjusting unit; the centrifugal machine body is provided with a pressure relief port communicated with the inner cavity of the rotary drum section of the centrifugal machine body and a gas-liquid vent port behind the liquid outlet, and the centrifugal machine body is also provided with a pressure boosting port communicated with the inner cavity of the discharge section of the centrifugal machine body and a gas-liquid vent port communicated with the liquid outlet; the pressure regulating unit pumps the gas out of the rotary drum section through the pressure relief port and the gas-liquid vent port, so that the gas is separated from the gas and then introduced into the discharge section through the pressure boost port and returns to the inner cavity of the rotary drum section along with the centrifugal work of the centrifugal machine body, and the pressure regulating unit is used for balancing the pressure difference between the rotary drum section and the discharge section of the centrifugal machine body.

Preferably, the pressure regulating unit comprises a first gas-liquid separator, a second gas-liquid separator and a liquid storage tank; a first gas phase inlet on the first gas-liquid separator is communicated with the pressure relief opening, a suction unit is further arranged between the first gas phase inlet and the pressure relief opening, and a first gas phase outlet on the first gas-liquid separator is communicated with the pressure boost opening; the suction unit is used for conveying the gas at the pressure relief opening into the first gas-liquid separator; the first gas-liquid separator is used for removing liquid drops in the gas introduced into the first gas phase inlet;

preferably, a second liquid phase inlet on the second gas-liquid separator is communicated with a gas-liquid emptying port arranged on the centrifuge body, a second liquid phase outlet on the second gas-liquid separator is communicated with the liquid storage tank, and a second gas phase outlet on the second gas-liquid separator is communicated with the first gas-liquid separator; the second gas-liquid separator is used for recovering gas carried in liquid discharged from the gas-liquid vent.

Preferably, a differential pressure transmitter for measuring the pressure difference between the inner chamber of the rotary drum section and the inner chamber of the discharging section is arranged on the centrifugal machine body.

Preferably, the first gas phase inlet is connected with the pressure relief opening by a stainless steel air pipe.

Preferably, the first gas phase outlet is connected with the pressurizing port by a stainless steel air pipe.

Preferably, the suction unit is an explosion-proof axial flow fan.

After adopting the structure, compared with the prior art, the invention has the following advantages: the pressure adjusting unit is arranged to balance the pressure difference between the drum section and the discharge section of the centrifugal machine, so that the problem of liquid flooding of the drum of the closed explosion-proof horizontal centrifugal machine is solved, and the centrifugal machine is ingenious in structure and good in applicability; according to the pressure regulating unit, the first gas-liquid separator is arranged, and liquid is removed before gas is introduced into the discharge section of the centrifugal machine, so that the influence of liquid on products at the discharge section is avoided, and the production quality is ensured.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a top view of a centrifuge body of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 2, the device for solving the flooding problem of the drum of the closed explosion-proof horizontal centrifuge comprises a centrifuge body 1 and a pressure adjusting unit 2; the centrifugal machine body 1 is provided with a pressure relief port 11 communicated with the inner cavity of the rotary drum section, and the centrifugal machine body 1 is also provided with a pressure boost port 12 communicated with the inner cavity of the discharge section and a gas-liquid vent port 13 communicated with the liquid outlet; the pressure adjusting unit 2 extracts gas from the drum section through the pressure relief port 11 and the gas-liquid vent port 13, so that the gas is separated from the gas and then introduced into the discharge section through the pressure boost port 12, and returns to the inner chamber of the drum section along with the centrifugal work of the centrifugal machine body 1, so as to balance the pressure difference between the drum section and the discharge section of the centrifugal machine body 1.

The pressure adjusting unit 2 comprises a first gas-liquid separator 21, a second gas-liquid separator 22 and a liquid storage tank 24; a first gas phase inlet 211 on the first gas-liquid separator 21 is communicated with the pressure relief port 11, a suction unit 23 is further arranged between the first gas phase inlet 211 and the pressure relief port 11, and a first gas phase outlet 212 on the first gas-liquid separator 21 is communicated with the pressure boost port 12; the suction unit 23 is used for conveying the gas of the pressure relief port 11 into the first gas-liquid separator 21; the first gas-liquid separator 21 is used for removing liquid drops in the gas introduced into the first gas phase inlet 211;

a second liquid phase inlet 221 on the second gas-liquid separator 22 is communicated with a gas-liquid vent 13 arranged on the centrifuge body 1, a second liquid phase outlet 222 on the second gas-liquid separator 22 is communicated with the liquid storage tank 24, and a second gas phase outlet 223 on the second gas-liquid separator 22 is communicated with the first gas-liquid separator 21; the second gas-liquid separator 22 is used for recovering the gas carried in the liquid discharged from the gas-liquid vent 13.

In this embodiment, the first gas-liquid separator 21 and the second gas-liquid separator 22 preferably adopt gas-liquid separation tanks, and during specific operation, the suction unit 23 is started to pump out the gas in the chamber in the drum section of the centrifuge body 1 and convey the gas to the first gas-liquid separator 21, the first gas-liquid separator 21 removes the liquid phase in the gas and then conveys the gas to the pressurization port 12, the pressure of the discharge section and the drum section is balanced, the phenomenon of liquid flooding due to excessive pressure difference is prevented, meanwhile, the liquid phase carried in the gas is prevented from polluting the products in the discharge section, and the quality of the products is ensured; meanwhile, the second gas-liquid separator 22 separates the gas in the liquid discharged from the gas-liquid vent 13 and then recycles and conveys the separated gas to the first gas-liquid separator 21, and the effect of improving the product quality is also achieved.

A differential pressure transmitter for measuring the pressure difference between the inner chamber of the rotary drum section and the inner chamber of the discharging section is arranged on the centrifugal machine body 1; the double-flange differential pressure transmitter is preferably used in the embodiment, has wide application range, and can be used in viscous media, media easy to crystallize at high temperature and precipitating media with solid particles or suspended matters.

The first gas phase inlet 211 is connected with the pressure relief port 11 by a stainless steel air pipe 15.

The first gas phase outlet 212 is connected with the pressurizing port 12 through a stainless steel air pipe 15, the stainless steel air pipe 15 is formed through an argon arc welding forming process, precision is high, connection is tight, and stable operation of the device is guaranteed.

The suction unit 23 is an explosion-proof axial flow fan.

The above description is only about the preferred embodiment of the present invention, but it should not be understood as limiting the claims, and the present invention may be modified in other structures, not limited to the above structures. In general, all changes which come within the scope of the invention as defined by the independent claims are intended to be embraced therein.