Low-temperature condensing device for oil gas recovery
By introducing a filter box and filter plate structure into the low-temperature condensation unit, combined with the design of movable baffles and springs, filter plate replacement is facilitated. At the same time, the use of a wall scraping mechanism to scrape off the liquid inside the condenser solves the problem of impurities entering the oil and gas, thereby improving the recovery quality and efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-20
- Publication Date
- 2026-03-27
AI Technical Summary
Existing cryogenic condensation units fail to effectively filter impurities before oil and gas enter, resulting in damage to the unit and poor recovery quality.
A filter box and filter plate are installed in the low-temperature condensing device, equipped with movable blocks and spring structure to facilitate filter plate replacement, and a scraping mechanism is used to scrape off the liquid adhering to the inner wall of the condenser by a motor-driven scraping ring.
It achieves effective filtration of oil and gas, prevents impurities from entering the device, improves the recovery quality, and effectively prevents liquid adhesion, thereby increasing the recovery efficiency.
Smart Images
Figure CN224040350U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to oil gas recovery technical field, concretely is a kind of low-temperature condensing device for oil gas recovery. BACKGROUND
[0002] Oil gas recovery refers to the process of collecting and treating or reusing the volatile oil gas (mainly composed of volatile organic compounds, VOCs) during oil storage, transportation and sales through certain technical means. The purpose is to reduce the pollution of oil gas to the atmosphere environment, and at the same time, to recover valuable oil gas resources. In order to cool and recover the light hydrocarbon components in oil gas and reduce the volatilization loss of oil gas, a low-temperature condensing device is usually used. The low-temperature condensing device is a device specially used for recovering gaseous substances through condensation at low temperature, which is mainly applied to treat low-boiling or highly volatile gases, and can effectively capture and recover these gaseous substances that are difficult to handle at normal temperature. In the low-temperature condensing device, a low-temperature environment is provided by a refrigeration system, so that the gas exchanges heat with the low-temperature medium in the heat exchanger, thereby realizing condensation. Through low-temperature condensation, the gaseous molecules in oil gas gradually gather to form liquid after the temperature is lowered, which is convenient for collection and recovery. The use of low-temperature condensing device helps to reduce the emission of gaseous pollutants and is also beneficial to improve the utilization rate of resources.
[0003] In the prior art, when oil gas is recovered by a low-temperature condensing device, the oil gas is usually directly introduced into the device through the gas inlet. Since the oil gas cannot be well filtered before entering, impurities contained therein will also enter the device, which will not easily affect the device and cannot well improve the recovery quality. Therefore, in order to solve the above problems, a low-temperature condensing device for oil gas recovery is proposed. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a low-temperature condensing device for oil gas recovery to solve the problem that the oil gas cannot be well filtered before entering, impurities contained therein will also enter the device, which will not easily affect the device and cannot well improve the recovery quality.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a low-temperature condensing device for oil gas recovery, comprising a body, the body comprises a condenser, the surface of the condenser is fixedly connected with a water inlet, the surface of the condenser is fixedly connected with a drain, the surface of the water inlet is fixedly installed with a cooler, the inner side of the condenser is provided with a condensing pipe, one end of the condensing pipe is fixedly connected with the water inlet, the other end of the condensing pipe is fixedly connected with the drain, the top end of the condenser is fixedly connected with a gas inlet pipe, and the bottom end of the condenser is fixedly connected with a liquid outlet pipe.
[0006] The top end of the condenser is provided with a filtering mechanism, the filtering mechanism comprises a filtering box, the filtering box is fixedly connected at the top end of the air inlet pipe, the top end of the filtering box is fixedly connected with a gas inlet, the inner side of the filtering box is movably connected with a filter plate, the surface of the filter plate is fixedly connected with a connecting plate, and the surface of the filter plate is fixedly connected with a sealing gasket.
[0007] Preferably, the filtering mechanism further comprises a fixing rod, the fixing rod is fixedly connected to the surface of the filtering box, the surface of the fixing rod is movably connected with a movable block, the surface of the movable block is fixedly connected with a stop block, and the surface of the movable block is fixedly connected with a spring.
[0008] Preferably, the fixing rod is fixedly connected with the filtering box in two groups, and the movable block is correspondingly connected with the fixing rod in two groups.
[0009] Preferably, the stop block is correspondingly connected with the movable block in two groups, one end of the spring is fixedly connected with the fixing rod, and the other end of the spring is fixedly connected with the movable block.
[0010] Preferably, the inner side of the condenser is provided with a wall scraping mechanism, the wall scraping mechanism comprises a reciprocating screw rod, the reciprocating screw rod is movably connected to the inner side of the condenser, the surface of the condenser is fixedly provided with a motor, the surface of the reciprocating screw rod is movably connected with a scraping ring, and the inner wall of the condenser is fixedly connected with a limiting rod.
[0011] Preferably, the reciprocating screw rod is fixedly connected with the output end of the motor, the limiting rod is fixedly connected with the condenser in two groups, and the scraping ring is movably connected with the limiting rod.
[0012] Compared with the prior art, the utility model has the advantages that:
[0013] 1. Through the arrangement of the filtering box and the filter plate, the oil gas can be filtered when entering the condenser, thereby the impurities in the oil gas can be intercepted, the influence of the impurities on the condenser can be avoided, the quality of the oil gas recovery can be guaranteed, the movable block can be moved on the surface of the fixing rod, the elastic property of the spring can be utilized, the stop block can be moved and the connecting plate can be blocked and unblocked, the filter plate is not easy to slide out of the filtering box through the blocking of the stop block, the filter plate can be taken out for cleaning or replacement through the unblocking of the stop block, and therefore the use of the filter plate can be guaranteed.
[0014] 2、Through the motor operation drives the reciprocating screw rod to rotate, cooperation limit rod's setting, make the scraper ring can move to and fro in the condenser, and can and the condenser inner wall rub, further can realize through the scraper ring movement to the condenser is scraped wall, make in the oil gas recovery, the liquid that recovers can be scraped ring from the condenser inner wall falls, can avoid adhesion, further can better carry out the recovery. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the structure front view schematic diagram of the utility model;
[0016] Figure 2 It is the structure side view cut view explosion schematic diagram of the utility model condenser and filter box;
[0017] Figure 3 It is the structure side view cut view explosion schematic diagram of the utility model filter plate and stop block;
[0018] Figure 4 It is the structure front view cut view schematic diagram of the utility model reciprocating screw rod and scraper ring.
[0019] In the drawing: 1, condenser;11, water inlet;12, drain outlet;13, cooler;14, condensing pipe;15, air inlet pipe;16, liquid outlet pipe;2, filter box;21, gas inlet;22, filter plate;23, connecting plate;24, gasket;25, fixed rod;26, movable block;27, stop block;28, spring;3, reciprocating screw rod;31, motor;32, scraper ring;33, limit rod. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0021] Please refer to Figures 1-4 The utility model provides an embodiment:
[0022] The cooler 13 and the motor 31 used in the application are products that can be directly purchased in the market, and their principles and connection modes are prior art known to those skilled in the art, so they will not be described here.
[0023] The utility model provides a low temperature condensing device for oil gas recovery, including the body, the body includes condenser 1, the surface fixed connection of condenser 1 has water inlet 11, the surface fixed connection of condenser 1 has drain 12, the surface fixed mounting of water inlet 11 has cooler 13, the inside of condenser 1 is provided with condensing pipe 14, one end of condensing pipe 14 is fixedly connected with water inlet 11, the other end of condensing pipe 14 is fixedly connected with drain 12, the top of condenser 1 is fixedly connected with air inlet pipe 15, the bottom of condenser 1 is fixedly connected with liquid outlet pipe 16, and oil gas is introduced into condenser 1 through air inlet pipe 15, cooling water enters into condensing pipe 14 through water inlet 11, and the temperature is reduced through the effect of cooler 13, so that the condenser 1 can be cooled to a lower temperature, under low temperature, the heavier hydrocarbon components in oil gas are condensed into liquid and can be discharged through liquid outlet pipe 16 to realize collection, so that recovery can be realized,
[0024] The top of condenser 1 is provided with a filtering mechanism, the filtering mechanism includes a filter box 2, the filter box 2 is fixedly connected to the top of the air inlet pipe 15, the top of the filter box 2 is fixedly connected with a gas inlet 21, the inner side of the filter box 2 is movably connected with a filter plate 22, the surface of the filter plate 22 is fixedly connected with a connecting plate 23, the surface of the filter plate 22 is fixedly connected with a sealing gasket 24, by the setting of the filter plate 22, when the oil gas enters the filter box 2 through the gas inlet 21, the filter plate 22 can filter the oil gas, so that impurities can be prevented from entering, and the quality of oil gas recovery can be ensured.
[0025] Further, the filtering mechanism further includes a fixed rod 25, the fixed rod 25 is fixedly connected to the surface of the filter box 2, the surface of the fixed rod 25 is movably connected with a movable block 26, the surface of the movable block 26 is fixedly connected with a stop block 27, the surface of the movable block 26 is fixedly connected with a spring 28, by the movement of the stop block 27, the stop block 27 cancels the blocking of the connecting plate 23, so that the filter plate 22 can be easily taken out for cleaning or replacement, and the use effect of the filter plate 22 can be ensured.
[0026] Further, the fixed rod 25 is fixedly connected to the filter box 2 in two groups, and the movable block 26 is correspondingly connected to the fixed rod 25 in two groups, by the setting of the fixed rod 25 and the movable block 26, the stop block 27 can stably move up and down on the surface of the connecting plate 23, so that the blocking and unblocking of the stop block 27 can be realized.
[0027] Further, the stop block 27 is correspondingly connected to the movable block 26 in two groups, one end of the spring 28 is fixedly connected to the fixed rod 25, and the other end of the spring 28 is fixedly connected to the movable block 26, by the setting of the spring 28, the reset of the movable block 26 can be realized, and the stop block 27 can be reset accordingly, and the connecting plate 23 can be blocked, so that the filter plate 22 is not easy to slide out of the filter box 2.
[0028] Further, the inner side of the condenser 1 is provided with a wall scraping mechanism, the wall scraping mechanism comprises a reciprocating screw rod 3, the reciprocating screw rod 3 is movably connected to the inner side of the condenser 1, the surface of the condenser 1 is fixedly provided with a motor 31, the surface of the reciprocating screw rod 3 is movably connected with a scraping ring 32, the inner wall of the condenser 1 is fixedly connected with a limiting rod 33, through the rotation of the reciprocating screw rod 3, the scraping ring 32 can move back and forth in the condenser 1 under the action of the reciprocating screw rod 3, and then the scraping ring 32 can scrape the wall of the condenser 1, so that the liquid can be prevented from sticking to the wall, and then the recovery can be better.
[0029] Further, the reciprocating screw rod 3 and the output end of the motor 31 are fixedly connected, the limiting rod 33 is fixedly connected with the condenser 1 in two groups, the scraping ring 32 is movably connected with the limiting rod 33, through the setting of the limiting rod 33, the scraping ring 32 can be prevented from deviating under the action of the reciprocating screw rod 3, and the scraping ring 32 can move stably in the condenser 1.
[0030] Working principle: in use, oil gas is introduced into the filter box 2 through the gas inlet 21, and the oil gas is filtered by the filter plate 22 when passing through the filter plate 22, so as to intercept impurities in the oil gas through the filter plate 22, when it is necessary to clean or replace the filter plate 22, the stop block 27 is pushed, so that the movable block 26 moves upward on the surface of the fixed rod 25 under the action of the stop block 27, at this time the spring 28 is in a contracted state, and then the stop block 27 moves upward to cancel the blocking of the connecting plate 23, and then the filter plate 22 is pulled out of the filter box 2, so that the filter plate 22 can be cleaned or replaced; when it is necessary to install and use the filter plate 22, the filter plate 22 is inserted into the filter box 2, and then the stop block 27 is loosened, so that the movable block 26 is reset under the rebound action of the spring 28, and then the stop block 27 is reset and blocked to the connecting plate 23, so that the filter plate 22 can be prevented from being unstable and sliding out, at this time the sealing gasket 24 and the surface of the filter box 2 are tightly connected to realize sealing;
[0031] The motor 31 is electrically connected by an external power supply, the staff starts the motor 31 by pressing the switch, the motor 31 rotates to drive the reciprocating screw rod 3 to rotate, the scraping ring 32 is limited by the limiting rod 33, and moves back and forth on the inner side of the condenser 1 under the action of the reciprocating screw rod 3, and moves on the surface of the limiting rod 33, so that the scraping ring 32 can scrape the wall of the condenser 1, and the adhesion of liquid can be avoided.
[0032] The above is only a preferred embodiment of the present application, and does not limit the present application in any form; any ordinary technical personnel in the industry can implement the present application according to the drawings and the above; however, any equivalent changes, modifications and evolution of the above disclosed technical content without departing from the technical scheme of the present application can be made by any skilled person in the art, and all of them are equivalent embodiments of the present application; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present application are still within the protection scope of the technical scheme of the present application.
Claims
1. A low-temperature condensing device for oil and gas recovery, comprising a body, the body comprising a condenser (1), a water inlet (11) is fixedly connected to the surface of the condenser (1), a water outlet (12) is fixedly connected to the surface of the condenser (1), a cooler (13) is fixedly installed on the surface of the water inlet (11), a condensing pipe (14) is arranged on the inner side of the condenser (1), one end of the condensing pipe (14) is fixedly connected with the water inlet (11), the other end of the condensing pipe (14) is fixedly connected with the water outlet (12), an air inlet pipe (15) is fixedly connected to the top end of the condenser (1), and a liquid outlet pipe (16) is fixedly connected to the bottom end of the condenser (1). characterized in that A filtering mechanism is arranged at the top end of the condenser (1), the filtering mechanism comprising a filtering box (2) fixedly connected to the top end of the air inlet pipe (15), a gas inlet (21) fixedly connected to the top end of the filtering box (2), a filter plate (22) movably connected to the inner side of the filtering box (2), a connecting plate (23) fixedly connected to the surface of the filter plate (22), and a sealing gasket (24) fixedly connected to the surface of the filter plate (22).
2. The low-temperature condensing device for oil and gas recovery according to claim 1, characterized in that: The filtering mechanism further comprises a fixing rod (25) fixedly connected to the surface of the filtering box (2), a movable block (26) movably connected to the surface of the fixing rod (25), a stop block (27) fixedly connected to the surface of the movable block (26), and a spring (28) fixedly connected to the surface of the movable block (26).
3. The cryogenic condensing unit for oil and gas recovery according to claim 2, characterized in that: The fixing rod (25) is fixedly connected with the filtering box (2) in two groups, and the movable block (26) is correspondingly connected with the fixing rod (25) in two groups.
4. The cryogenic condensing unit for oil and gas recovery according to claim 2, characterized in that: The stop block (27) is correspondingly connected with the movable block (26) in two groups, one end of the spring (28) is fixedly connected with the fixing rod (25), and the other end of the spring (28) is fixedly connected with the movable block (26).
5. The cryogenic condensing unit for oil and gas recovery according to claim 1, characterized in that: A wall scraping mechanism is arranged on the inner side of the condenser (1), the wall scraping mechanism comprising a reciprocating wire rod (3) movably connected to the inner side of the condenser (1), a motor (31) fixedly installed on the surface of the condenser (1), a scraping ring (32) movably connected to the surface of the reciprocating wire rod (3), and a limiting rod (33) fixedly connected to the inner wall of the condenser (1).
6. The cryogenic condensing unit for oil and gas recovery according to claim 5, characterized in that: The reciprocating wire rod (3) is fixedly connected with the output end of the motor (31), the limiting rod (33) is fixedly connected with the condenser (1) in two groups, and the scraping ring (32) is movably connected with the limiting rod (33).