A counterflow type evaporative condenser

Abstract

The utility model discloses a countercurrent type evaporative condenser, specifically relates to condenser technical field, including condenser shell, the supplementary pipe of one side of condenser shell outer surface and the water pump of one side of condenser shell outer surface, the inlet of water pump and condenser shell between fixed connection has the water pipe, the outlet fixed mounting of water pump has the transmission pipe. The utility model discloses a countercurrent type evaporative condenser, in actual work, when water pump will the water in condenser shell transmission to the water spray pipe in condenser shell, will pass through the filter box, and three filter plates in the filter box can filter the impurity in water, and through the three -way ball valve, then can control the direction of water transmission, when one of filter box stops and cleans, another filter box can replace operation, thereby being convenient for to the water in the water spray pipe of entering to filter, effectively avoid the influence condenser's work efficiency because of the blockage of the water spray pipe caused by the impurity into the water spray pipe.

Description

Technical Field

[0001] This utility model relates to the field of condenser technology, and in particular to a counter-flow evaporative condenser. Background Technology

[0002] An evaporative condenser is a refrigeration device primarily used in compression refrigeration systems. Its function is to condense compressed gaseous refrigerant. The working principle of an evaporative condenser is to exchange heat between the gaseous refrigerant and the outside air, utilizing the evaporation of water to absorb heat from the refrigerant, thereby causing the refrigerant to condense into a liquid state.

[0003] A search revealed, for example, a utility model with publication number CN212109590U, which discloses a counter-current evaporative condenser, including a base, a shell, a fan, an air inlet, a refrigerant inlet, a refrigerant outlet, a water pump, a spray pipe, an installation device, and a handle. The shell is fixedly installed on the upper end of the base, and the fan is fixedly installed on the upper end of the shell. This utility model uses a water pump to transfer water from inside the shell to the spray pipe, causing the water to be sprayed onto the surface of the coil. Since external air can carry impurities, when external air enters the shell, the impurities will adhere to the surface of the coil. When the sprayed water falls onto the surface of the coil, it will mix with the impurities. With the accumulation of impurities, the spray pipe is prone to blockage during subsequent use, requiring unblocking of the spray pipe, which can easily affect the working efficiency of the condenser. However, this utility model does not facilitate the filtration of the water entering the spray pipe. Therefore, in order to solve the above defects, the inventor proposes a counter-current evaporative condenser. Utility Model Content

[0004] The main purpose of this invention is to provide a counter-flow evaporative condenser that can effectively solve the problem that existing condensers are not convenient for filtering water entering the spray pipe.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A counter-current evaporative condenser includes a condenser shell, a supply pipe disposed on one side of the outer surface of the condenser shell, and a water pump disposed on one side of the outer surface of the condenser shell. A water supply pipe is fixedly connected between the inlet of the water pump and the condenser shell. A transmission pipe is fixedly installed at the outlet of the water pump, and a three-way ball valve is fixedly installed at the end of the transmission pipe away from the water pump. A first connecting pipe is fixedly installed at both outlets of the three-way ball valve.

[0007] The outer surface of the condenser shell is fixedly installed with an inlet pipe equipped with a water flow control valve on one side of the water pump. A tee is fixedly installed at one end of the inlet pipe. A second connecting pipe is fixedly installed at each of the two inlets of the tee. Two filter boxes are fixedly installed between the two second connecting pipes and the two first connecting pipes. Each of the two filter boxes is equipped with three filter plates inside.

[0008] Preferably, three slide rods are fixedly installed on one side of the outer surface of the filter box, and the three slide rods correspond one-to-one with the three filter plates. The outer surfaces of the three slide rods are slidably connected with movable blocks, and the top surfaces of the three movable blocks are provided with brush plates.

[0009] Preferably, three springs are fixedly installed on one side of the slide rod on the outer surface of the filter box, and the three springs are respectively sleeved on the outer ends of the three slide rods and fixedly connected to the three movable blocks. The bottom surfaces of the three movable blocks are all fixedly installed with traction ropes, and one end of the three traction ropes is fixedly installed with a pull plate.

[0010] Preferably, three dustproof cloth covers are fixedly installed on one side of the slide bar on the outer surface of the filter box, and the three dustproof cloth covers are respectively fitted onto the outer ends of the three springs and respectively fixedly connected to the three movable blocks.

[0011] Preferably, a sealing plate is fixedly installed on one side of the filter plate, and a rubber gasket is fixedly installed on the sealing plate on one side of the filter plate.

[0012] Preferably, a magnet is embedded in the center of the top surface of the movable block, four positioning holes are opened on the top surface of the movable block, four positioning rods matching the positioning holes are fixedly installed on the bottom surface of the brush plate, and an iron sheet matching the magnet is fixedly installed on the bottom surface of the brush plate.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] This utility model discloses a counter-flow evaporative condenser. By setting up a filter box, in actual operation, when the water pump transmits water from inside the condenser shell to the spray pipe inside the condenser shell, it passes through the filter box. The three filter plates inside the filter box can filter impurities in the water. The direction of water transmission can be controlled by a three-way ball valve. When one filter box is stopped for cleaning, the other filter box can take over the operation, which facilitates the filtration of water entering the spray pipe and effectively avoids blockage caused by impurities entering the spray pipe, thus affecting the working efficiency of the condenser. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2This is a side view of the condenser housing of the present invention.

[0017] Figure 3 This is a schematic diagram of the filter box structure of this utility model;

[0018] Figure 4 This is a schematic diagram of the sealing plate structure of this utility model;

[0019] Figure 5 This is a schematic diagram of the movable block structure of this utility model.

[0020] In the diagram: 1. Condenser housing; 2. Supplementary pipe; 3. Water pump; 4. Water supply pipe; 5. Transmission pipe; 6. Three-way ball valve; 7. First connecting pipe; 8. Filter box; 9. Second connecting pipe; 10. T-junction; 11. Inlet pipe; 12. Water flow control valve; 801. Sealing plate; 802. Filter plate; 803. Slide rod; 804. Movable block; 805. Spring; 806. Dustproof cover; 807. Pull plate; 808. Traction rope; 8021. Rubber pad; 8041. Positioning hole; 8042. Magnet; 8043. Brush plate; 8044. Iron sheet; 8045. Positioning rod. Detailed Implementation

[0021] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0022] This utility model discloses a counter-current evaporative condenser, such as... Figures 1-5 As shown, the device includes a condenser housing 1, a replenishment pipe 2 located on one side of the outer surface of the condenser housing 1, and a water pump 3 located on one side of the outer surface of the condenser housing 1. The refrigerant enters from one end of the coil inlet and flows along a serpentine path. When the high-temperature and high-pressure gaseous refrigerant flows inside the coil, it transfers heat to the outside through the pipe wall and gradually cools into liquid refrigerant. Finally, it flows out from the other end of the coil outlet, completing the condensation process.

[0023] Water in the water collection tank inside the condenser shell 1 is pressurized by the water pump 3 and transported to the multi-layer annular spray pipe inside the condenser shell 1. It is then evenly sprayed onto the outer surface of the coil through the atomizing nozzle, forming a continuous water film.

[0024] The water film is in direct contact with the surface of the coil, absorbing the heat released by the condensation of the refrigerant. Some of the water evaporates due to the increase in temperature and turns into water vapor, while the unevaporated water flows down the surface of the coil and eventually flows back to the water collection tank, forming a cycle.

[0025] After the axial fan inside the condenser housing 1 starts, it drives outside air to enter through the air inlet grille at the bottom of the housing, forming a counter-flow with the downward-flowing spray water and refrigerant.

[0026] The refrigerant and spray water flow in opposite directions, forming a counter-current design, which prolongs the "meeting" time between the two on the coil surface.

[0027] A water supply pipe 4 is fixedly connected between the inlet of the water pump 3 and the condenser housing 1. A transmission pipe 5 is fixedly installed at the outlet of the water pump 3, and a three-way ball valve 6 is fixedly installed at the end of the transmission pipe 5 away from the water pump 3. A first connecting pipe 7 is fixedly installed at both outlets of the three-way ball valve 6.

[0028] When the ball of the three-way ball valve 6 is in its initial position, the inlet and outlet A are connected, and the outlet B is closed by the ball wall. After manually rotating the handle, the ball through hole rotates synchronously, the inlet and outlet B are connected, and the outlet A is closed, thus realizing the switching of the water flow direction.

[0029] A water inlet pipe 11 with a water flow control valve 12 is fixedly installed on the outer surface of the condenser shell 1 on one side of the water pump 3. A tee 10 is fixedly installed at one end of the water inlet pipe 11. A second connecting pipe 9 is fixedly installed at both inlets of the tee 10. Two filter boxes 8 are fixedly installed between the two second connecting pipes 9 and the two first connecting pipes 7 respectively. Three filter plates 802 are provided inside the two filter boxes 8.

[0030] The valve body of the water flow control valve 12 is equipped with a rotatable valve core. A variable flow gap is formed between the valve core and the valve seat. When the valve stem is rotated manually, the position of the valve core changes. If the gap increases, the flow rate increases, and if the gap decreases, the flow rate decreases. This makes it easier to control the water flow rate entering the multi-layer annular spray pipe.

[0031] The water pump 3 can transfer water from the water collection tank inside the condenser shell 1 to one of the filter boxes 8 through the water supply pipe 4 and the transmission pipe 5. The three filter plates 802 inside the filter box can filter impurities in the water. The filtered water will enter the multi-layer annular spray pipe inside the condenser shell 1 through the tee 10 and the water inlet pipe 11.

[0032] By using the three-way ball valve 6, when it is necessary to replace or clean the filter plate 802 in one of the filter boxes 8, the water flow direction can be switched by manually rotating the handle of the three-way ball valve 6, so that the water flows into the other filter box 8, thus avoiding the normal flow of water being affected by cleaning the filter plate 802.

[0033] The three filter plates 802 inside the filter box 8 are arranged longitudinally at equal intervals, and the filter hole size of the three filter plates 802 decreases sequentially from bottom to top.

[0034] Three slide rods 803 are fixedly installed on one side of the outer surface of the filter box 8, and the three slide rods 803 correspond one-to-one with the three filter plates 802. The outer surface of each of the three slide rods 803 is slidably connected to a movable block 804, and the top surface of each of the three movable blocks 804 is provided with a brush plate 8043. The movable block 804 can move along the slide rod 803. When the filter plate 802 is pulled out from the inside of the filter box 8, the movable block 804 can drive the brush plate 8043 to move along the slide rod 803, so that the bristles of the brush plate 8043 can wipe and clean the part of the filter plate 802 that has been pulled out.

[0035] Three springs 805 are fixedly installed on one side of the slide bar 803 on the outer surface of the filter box 8. The three springs 805 are respectively sleeved on the outer ends of the three slide bars 803 and respectively fixedly connected to the three movable blocks 804. When the movable block 804 moves along the slide bar 803 toward the spring 805, it will compress the spring 805.

[0036] The bottom surfaces of the three movable blocks 804 are all fixedly equipped with traction ropes 808, and one end of the three traction ropes 808 is fixedly equipped with a pull plate 807. The operator can move the three traction ropes 808 simultaneously by manually pulling the pull plate 807.

[0037] Three dustproof cloth covers 806 are fixedly installed on one side of the slide bar 803 on the outer surface of the filter box 8. The three dustproof cloth covers 806 are respectively fitted on the outer ends of the three springs 805 and fixedly connected to the three movable blocks 804. The dustproof cloth covers 806 can effectively prevent external impurities from entering the gaps of the springs 805, while not affecting the normal movement of the movable blocks 804.

[0038] A sealing plate 801 is fixedly installed on one side of the filter plate 802. A rubber gasket 8021 is fixedly installed on the sealing plate 801 on one side of the filter plate 802. After the filter plate 802 is inserted into the filter box 8, the sealing plate 801 is connected and fixed to the outer surface of the filter box 8 by bolts. The rubber gasket 8021 can provide a seal between the sealing plate 801 and the outer surface of the filter box 8, effectively preventing water from flowing out from the gap between the sealing plate 801 and the filter box 8.

[0039] A magnet 8042 is embedded in the center of the top surface of the movable block 804. Four positioning holes 8041 are opened on the top surface of the movable block 804. Four positioning rods 8045 that match the positioning holes 8041 are fixedly installed on the bottom surface of the brush plate 8043. An iron piece 8044 that matches the magnet 8042 is fixedly installed on the bottom surface of the brush plate 8043. When the positioning rod 8045 is inserted into the corresponding positioning hole 8041, the magnet 8042 can attract the iron piece 8044, thereby completing the installation of the brush plate 8043.

[0040] The working principle of this utility model is as follows: the refrigerant enters from one end of the coil inlet and flows along a serpentine path. The water pump 3, through the delivery pipe, the transmission pipe 5, and the three-way ball valve 6, transmits the water in the water collection tank inside the condenser shell 1 to one of the filter boxes 8. The three filter plates 802 in the filter box 8 filter the water. The filtered water is then transported through the corresponding second connecting pipe 9 and the water inlet pipe 11 to the multi-layer annular spray pipe inside the condenser shell 1. After that, it is evenly sprayed on the outer surface of the coil through the atomizing nozzle to form a continuous water film.

[0041] The water film is in direct contact with the surface of the coil, absorbing the heat released by the condensation of the refrigerant. Some of the water evaporates due to the increase in temperature and turns into water vapor, while the unevaporated water flows down the surface of the coil and eventually flows back to the water collection tank, forming a cycle.

[0042] After the axial fan inside the condenser housing 1 starts, it drives outside air to enter through the air inlet grille at the bottom of the housing, forming a counter-flow with the downward-flowing spray water and refrigerant.

[0043] All of the above-mentioned components are general standard parts or components known to those skilled in the art. Their structure and principles can be learned by those skilled in the art through technical manuals or conventional experimental methods.

[0044] All the electrical components mentioned above are connected to the main controller and power supply. The main controller can control computers and other devices.

[0045] Commonly known devices and existing publicly available power connection technologies will not be described in detail here.

[0046] The specific models and specifications of components such as the three-way ball valve 6, water pump 3, water flow control valve 12, and three-way valve 10 proposed in this application need to be selected and determined according to the actual specifications of the device. The specific selection calculation method, circuit connection method and control method all adopt the existing technology in this field, and the power supply is also common knowledge in this field, so it will not be described in detail.

[0047] The control method of this utility model is automatic control through a controller. The control circuit of the controller can be implemented by simple programming by those skilled in the art, and the power supply is also common knowledge in the art.

[0048] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A counter-flow type evaporative condenser comprising a condenser housing (1), a make-up pipe (2) provided on one side of the outer surface of the condenser housing (1), and a water pump (3) provided on one side of the outer surface of the condenser housing (1), characterized in that: A water supply pipe (4) is fixedly connected between the inlet of the water pump (3) and the condenser shell (1). A transmission pipe (5) is fixedly installed at the outlet of the water pump (3), and a three-way ball valve (6) is fixedly installed at the end of the transmission pipe (5) away from the water pump (3). A first connecting pipe (7) is fixedly installed at both outlets of the three-way ball valve (6). The outer surface of the condenser housing (1) is fixedly installed with an inlet pipe (11) with a water flow control valve (12) on one side of the water pump (3), and a tee (10) is fixedly installed at one end of the inlet pipe (11). Two inlets of the tee (10) are fixedly installed with second connecting pipes (9), and two filter boxes (8) are fixedly installed between the two second connecting pipes (9) and the two first connecting pipes (7). The two filter boxes (8) are each provided with three filter plates (802).

2. The counter-current evaporative condenser according to claim 1, characterized in that: Three slide rods (803) are fixedly installed on one side of the outer surface of the filter box (8), and the three slide rods (803) correspond one-to-one with the three filter plates (802). The outer surfaces of the three slide rods (803) are slidably connected with movable blocks (804), and the top surfaces of the three movable blocks (804) are provided with brush plates (8043).

3. A counter-current evaporative condenser according to claim 2, characterized in that: Three springs (805) are fixedly installed on the outer surface of the filter box (8) on one side of the slide rod (803). The three springs (805) are respectively sleeved on the outer ends of the three slide rods (803) and fixedly connected to the three movable blocks (804). The bottom surfaces of the three movable blocks (804) are all fixedly installed with traction ropes (808), and one end of the three traction ropes (808) is fixedly installed with a pull plate (807).

4. A counter-current evaporative condenser according to claim 2, characterized in that: The filter box (8) has three dustproof cloth covers (806) fixedly installed on one side of the slide bar (803) on its outer surface. The three dustproof cloth covers (806) are respectively sleeved on the outer ends of the three springs (805) and respectively fixedly connected to the three movable blocks (804).

5. A counter-current evaporative condenser according to claim 1, characterized in that: A sealing plate (801) is fixedly installed on one side of the filter plate (802), and a rubber pad (8021) is fixedly installed on the sealing plate (801) on one side of the filter plate (802).

6. A counter-current evaporative condenser according to claim 2, characterized in that: A magnet (8042) is embedded in the center of the top surface of the movable block (804). Four positioning holes (8041) are opened on the top surface of the movable block (804). Four positioning rods (8045) that match the positioning holes (8041) are fixedly installed on the bottom surface of the brush plate (8043). An iron sheet (8044) that matches the magnet (8042) is fixedly installed on the bottom surface of the brush plate (8043).

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