CN212652371U

CN212652371U - Container formula removes beasts and birds corpse innocent treatment equipment

Info

Publication number: CN212652371U
Application number: CN202020357000.8U
Authority: CN
Inventors: 田晓军; 王增鑫; 潘利
Original assignee: Shandong Sensitar Machinery Manufacturing Co ltd
Current assignee: Shandong Sensitar Machinery Manufacturing Co ltd
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2021-03-05
Anticipated expiration: 2030-03-19

Abstract

The utility model belongs to the technical field of livestock and poultry corpse treatment, in particular to container type mobile livestock and poultry corpse innocent treatment equipment, which comprises a first container, a second container and a third container which are arranged in parallel in sequence, wherein a pure water unit, a pure water box and a crusher are arranged in the first container, and a material conveying pump is arranged at the discharge port of the crusher; a heat source unit and a chemical processing machine are arranged in the second container, the heat source unit is connected with the pure water tank through a pipeline, a discharge port of the material conveying pump is connected with a feed port of the chemical processing machine through a pipeline, the heat source unit is connected with a steam sub-cylinder, and the steam sub-cylinder is connected with the chemical processing machine; a cooling tower, a cyclone dust collector, a condenser and a vacuum pump station are arranged in the third container, the cyclone dust collector is connected with the condenser, the condenser is connected with the vacuum pump station, and the vacuum pump station is connected with a fan through a pipeline. The utility model discloses with various equipment settings on the container, the dismouting and the high-speed joint of being convenient for, the convenient to use vehicle carries out the quick travel moreover to deal with the proruption epidemic situation.

Description

Container formula removes beasts and birds corpse innocent treatment equipment

Technical Field

The utility model belongs to the technical field of the corpse of beasts and birds is handled, concretely relates to container formula removes beasts and birds corpse innocent treatment equipment.

Background

At present, the livestock and poultry breeding industry in China is rapidly developed, and in the livestock and poultry breeding process, harmless treatment is needed to be carried out on live bodies and corpses of livestock and poultry infected or suspected to be infected with animal pathogenic bacteria and dead livestock and poultry corpses of other abnormal reasons so as to kill the pathogenic bacteria in the livestock and poultry, prevent epidemic disease from spreading, and effectively control and put out animal epidemic situations.

The existing livestock and poultry carcass innocent treatment equipment is complex in structure, multiple in equipment components, large in size, inconvenient to transport, long in time consuming for equipment assembly, long in several days for optical equipment assembly, and capable of debugging equipment in a certain time, and can treat a large number of livestock and poultry carcasses as soon as possible under the condition that a large number of livestock and poultry die rapidly due to acute outburst epidemic situations.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a container formula removes beasts and birds corpse innocent treatment equipment, convenient transportation, the equipment debugging is convenient, can carry out beasts and birds corpse innocent treatment fast, kills the pathogenic bacterium, reaches acute proruption epidemic situation and causes the dead processing requirement of beasts and birds in a large number fast, is favorable to preventing epidemic disease diffusion, effective control and putting out the animal epidemic situation.

In order to achieve the technical purpose, the utility model adopts the technical scheme that:

a container type mobile livestock and poultry corpse innocent treatment device comprises a first container, a second container and a third container which are sequentially arranged in parallel, wherein a pure water unit and a pure water box are arranged at one end, close to one end, in the first container, a crusher is arranged at the other end, and a material conveying pump is arranged at a discharge port of the crusher;

a heat source unit is arranged in the second container and close to one end of the second container, a chemical machine is arranged close to the other end of the second container, the position of the heat source unit corresponds to the positions of the pure water unit and the pure water box, the chemical machine corresponds to the position of the crusher, the heat source unit is connected with the pure water box through a pipeline, a discharge port of the delivery pump is connected with a feed port of the chemical machine through a pipeline, the heat source unit is connected with a steam distributing cylinder, and the steam distributing cylinder is connected with the chemical machine;

be equipped with the cold water tower near one end in the third container, be close to the other end and be equipped with cyclone, condenser and vacuum pump station, cyclone's gas outlet connection condenser, the gas outlet connection vacuum pump station of condenser, vacuum pump station passes through the pipe connection fan.

As an improvement, the crusher comprises a base, a crushing box body is arranged on the base, the crushing box body is provided with two end walls and two side walls, rotating shafts penetrate through the two end walls of the crushing box body, rotors are arranged on the parts, located in the crushing box body, of the rotating shafts, stators are arranged on the side walls of the crushing box body, the rotors and the stators are of matched counterblade structures, two ends, penetrating out of the crushing box body, of the rotating shafts are respectively connected with a bearing seat, the bearing seats are fixedly arranged on the base, a driving motor is arranged on the base and is in transmission connection with a speed reducer, and the speed reducer is connected with the rotating shafts through a coupler;

the bearing seat is sequentially provided with a first axial thrust roller bearing, a self-aligning roller bearing and a second axial thrust roller bearing, and the rotating shaft is connected with the first axial thrust roller bearing, the self-aligning roller bearing and the second axial thrust roller bearing;

the bottom of the speed reducer is provided with a rectangular mounting base, four corners of the rectangular mounting base are respectively and axially fixedly provided with adjusting bolts in a circumferential rotating mode, the top of the base is fixedly provided with nuts, and the adjusting bolts are matched with the nuts.

As a further improvement, the rotating shaft is made of Q345R materials, the cutter point of the rotor is made of Q235B materials, a wear-resistant metal layer is welded at the cutter point of the rotor, and a wear-resistant metal layer is welded on the working face of the stator.

As a further improvement, two side walls of the crushing box body are detachably arranged on the crushing box body, and a filler is sealed between two end walls of the crushing box body and the rotating shaft.

As a further improvement, the feeding pump comprises a base, a horizontally arranged pump body is arranged on the base, an impeller is arranged in the pump body through a rotating shaft, a feeding opening is arranged at the axis position of one side of the pump body and connected with the feeding hopper, the rotating shaft extends through the feeding hopper, a feeding screw is arranged at the part of the rotating shaft, which is positioned in the feeding hopper, and the rotating shaft is connected with a driving motor through a coupling.

As a further improvement, the screw pitch of the feeding screw close to the feeding opening part is smaller than that far away from the feeding opening part.

As a further improvement, the feeding screw comprises a first screw band and a second screw band which are fixedly arranged on the rotating shaft and have the same rotating direction, the screw pitches of the first screw band and the second screw band are equal, one end of the first screw band is positioned in the feeding hopper and is far away from the feeding port, the other end of the first screw band penetrates through the feeding port and is close to the impeller, one end of the second screw band is positioned in the feeding hopper and is close to the feeding port, and the other end of the second screw band penetrates through the feeding port and is close to the impeller.

As a further improvement, the bottom of the feed hopper is inclined downwards towards the direction of the feeding opening, the bottom edge of the first ribbon is arranged close to the bottom of the feed hopper, and the height of the first ribbon is gradually increased along the direction close to the feeding opening.

As a further improvement, the condenser comprises a horizontally arranged shell, tube plates are arranged at two ends of the shell, a plurality of horizontally arranged heat exchange tubes are connected between the tube plates, one end of the shell is connected with an air inlet tube box, a steam inlet is formed in the top of the air inlet tube box, the other end of the shell is connected with an air outlet tube box, a steam condensation outlet is formed in the bottom of the air outlet tube box, the heat exchange tubes are communicated with the air inlet tube box and the air outlet tube box, a plurality of gas multi-pass baffle plates are respectively arranged in the air inlet tube box and the air outlet tube box, a cooling water inlet is formed in the top of the shell, a cooling water outlet is formed in the bottom of the shell, and.

As a further improvement, the heat exchange tubes are divided into a plurality of first heat exchange tubes and a plurality of second heat exchange tubes, the tube diameter of each first heat exchange tube is larger than that of each second heat exchange tube, and the first heat exchange tubes are located above the second heat exchange tubes.

Due to the adoption of the technical scheme, the beneficial effects of the utility model are that:

the utility model provides a container formula removes beasts and birds corpse innocent treatment equipment, including first container, second container and third container, set up pure water unit on the first container, the pure water case, breaker and conveying pump, be equipped with heat source unit on the second container, change the system machine, be equipped with the cold water tower on the third container, cyclone, condenser and vacuum pump station, various equipment sets up on the container, dismouting and high-speed joint of being convenient for, and the vehicle of being convenient for use carries out the high-speed joint, and the transportation is removed conveniently to deal with proruption epidemic situation.

The utility model discloses a rotor and stator of breaker are counter-blade structure, are used for the broken spoil, the pivot drives the rotor and rotates, driving motor connects the speed reducer, reduce the rotational speed of output shaft through the speed reducer, improve the moment of torsion of output shaft, the speed reducer passes through the shaft coupling drive and connects the pivot, the pivot is fixed on the base through the bearing frame, be equipped with self-aligning roller bearing on the bearing frame, have the automatic aligning function, can adjust some slopes of pivot in the course of the work, avoid the pivot slope to cause the damage to the spoil breaker, bearing frame on self-aligning roller bearing both sides be equipped with first axial thrust roller bearing and second axial thrust roller bearing, axial thrust roller bearing can carry out axial fixation to the pivot, avoid the pivot to take place axial displacement when violent work, and axial thrust roller bearing has the self-aligning function of certain degree, avoid the pivot displacement to cause irreversible damage, the rectangular mounting seat connected to the bottom of the speed reducer can adjust the height of the speed reducer relative to the base through the bolts which are circumferentially rotated and axially fixed, and the speed reducer can be conveniently mounted and leveled as required.

The rotating shaft is made of Q345R material, so that the rotor has good strength and good comprehensive performance, the tool tip of the rotor is made of Q235B material and has good toughness, and the tool tip of the rotor and the surface of the stator are welded with the wear-resistant metal layer in a build-up mode, so that the service lives of the rotor and the stator are prolonged, and when the wear-resistant metal layer which is built up in the build-up mode is damaged, the specific damaged part can be replaced, and the maintenance is facilitated; two lateral walls of the crushing box body can be detached, and maintenance in case of failure is facilitated.

The utility model discloses the material is put into to the entry on feeder hopper upper portion of well conveying pump, driving motor passes through shaft coupling drive pivot and rotates, the pivot drives feed screw and impeller rotation, feed screw rotates the material in with the feeder hopper and passes through the feed inlet and transmit to the pump body in, and the material in the back pump body passes through the centrifugal extrusion of pump body impeller and discharges from the discharge gate, the structure principle makes conveying pump have better stability more than adopting, the corrosion resistance is better and the corruption of material does not constitute the influence to the function of equipment in the transmission course, moreover, the steam generator is simple in structure, and is difficult for blockking up.

The screw pitch of the feeding screw is larger on one side far away from the feeding port than on one side close to the feeding port, so that the transmission capability of the feeding screw is improved by adopting different screw pitches; the bottom of the feed hopper is inclined towards the direction of the feeding opening, so that the materials in the feed hopper can be conveniently conveyed; the outer surface of the coupler is provided with the protective cover, and the coupler is prevented from being corroded by the outside, so that the service life and the replacement difficulty are prevented; the pivot cooperatees with the bearing frame, and the bearing frame is fixed on the base for the position of fixed rotating shaft avoids pivot during operation atress to take place the displacement, and damage equipment, feeder hopper and the junction of the pump body and pivot are equipped with the seal receptacle, are used for guaranteeing the inside sealed of feeder hopper and the pump body, avoid the material to flow pollution equipment

The utility model provides a steam gets into from the steam inlet at intake pipe box top when condenser uses, then the steam circulation is through heat exchange tube and gaseous multipass baffling board, the steam condensation export discharge from exhaust pipe case at last, the cooling water import at casing top gets into the cooling water, shell side water baffling board through the level setting, promote the ability that flows of cooling water in the shell side, the cooling water cools off condensing to the steam in the heat exchange tube, the cooling water after carrying out the cold and hot exchange passes through the cooling water export discharge of casing bottom, among the current equipment structure, the shell side is walked to the cooling water, steam walks, compare with the structure of existing equipment, the equipment steam journey length of this scheme, heat exchange efficiency is high, the cooling rate is fast.

The heat exchange tubes in the shell are divided into two types according to the tube diameter, the two types of heat exchange tubes are a first heat exchange tube and a second heat exchange tube, the first heat exchange tube with the larger tube diameter is positioned above the second heat exchange tube with the smaller tube diameter, after the steam inlet of the air inlet tube box enters high-pressure and high-temperature steam fluid from the steam inlet above the air inlet tube box, the steam fluid just entering the first heat exchange tube is in a high-temperature and high-pressure state, the steam fluid firstly enters the first heat exchange tube with the larger tube diameter, so that the impact of the steam fluid on the heat exchange tubes is relieved, the heat exchange tubes are prevented from being damaged, the steam fluid flows into the second heat exchange tube after the cooling volume is gradually reduced, the second heat exchange tube with the smaller tube diameter can.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of the structure of the crusher;

FIG. 3 is a schematic view showing the construction of a feed pump;

FIG. 4 is a schematic structural view of a condenser;

in the attached drawing, 1-a first container, 2-a second container, 3-a third container, 4-a pure water unit, 5-a pure water tank, 6-a crusher, 630-a rotating shaft, 640-a rotor, 650-a stator, 660-a bearing seat, 7-a delivery pump, 720-a rotating shaft, 730-an impeller, 740-a feed hopper, 750-a feed screw, 8-a chemical making machine, 9-a steam distributor, 10-a cold water tower, 11-a cyclone dust collector, 12-a condenser, 1210-a shell, 1220-a tube plate, 1230-a heat exchange tube, 1231-a first heat exchange tube, 1232-a second heat exchange tube, 1240-an air inlet tube box, 1250-a steam inlet, 1260-an air outlet box, 1270-a steam condensation outlet and 1280-a gas multi-pass baffle plate, 13-vacuum pump station, 14-heat source unit and 15-electric control cabinet.

Detailed Description

The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

As shown in fig. 1 to 4, the container type mobile livestock and poultry corpse innocent treatment equipment comprises a first container 1, a second container 2 and a third container 3 which are arranged in parallel in sequence, wherein a pure water unit 4 and a pure water box 5 are arranged near one end in the first container 1, a crusher 6 is arranged near the other end, an electric cabinet 15 is further arranged, and a delivery pump 7 is arranged at a discharge port of the crusher 6;

a heat source unit 14 is arranged near one end of the second container 2, a chemical processing machine 8 is arranged near the other end of the second container, the position of the heat source unit 14 corresponds to the positions of the pure water unit 4 and the pure water box 5, the position of the chemical processing machine 8 corresponds to the position of the crusher 6, the heat source unit 14 is connected with the pure water box 5 through a pipeline, the discharge port of the material conveying pump 7 is connected with the feed port of the chemical processing machine 8 through a pipeline, the heat source unit 14 is connected with a steam distributing cylinder 9, and the steam distributing cylinder 9 is connected with the chemical processing machine 8;

be equipped with cold water tower 10 near one end in the third container 3, be close to the other end and be equipped with cyclone 11, condenser 12 and vacuum pump station 13, cyclone 11's gas outlet connection condenser 12, the gas outlet connection vacuum pump station 13 of condenser 12, vacuum pump station 13 passes through the pipe connection fan.

In this embodiment, the crusher 6 includes a base, a crushing box is disposed on the base, the crushing box is provided with two end walls and two side walls, the two end walls of the crushing box are provided with a rotating shaft 630 in a penetrating manner, a rotor 640 is disposed on a portion of the rotating shaft 630 located in the crushing box, a stator 650 is disposed on a side wall of the crushing box 630, the rotor 640 and the stator 650 are of matched counter-blade structures, two ends of the rotating shaft 630 penetrating out of the crushing box are respectively connected with a bearing seat 660, the bearing seat 660 is fixedly disposed on the base, the base is provided with a driving motor, the driving motor is in transmission connection with a speed reducer, the speed reducer is connected with the rotating shaft through a coupling, specifically, the speed reducer is a planetary speed reducer, and the coupling is a;

Specifically, the rotating shaft is made of Q345R material, the cutter point of the rotor is made of Q235B material, a wear-resistant metal layer is welded at the cutter point of the rotor, and a wear-resistant metal layer is welded on the working surface of the stator in a surfacing mode; two side walls of the crushing box body are detachably arranged on the crushing box body, and a filler seal is arranged between two end walls of the crushing box body and the rotating shaft.

In this embodiment, the material delivery pump 7 includes a base, a horizontally arranged pump body is arranged on the base, an impeller 730 is arranged in the pump body through a rotating shaft 720, a feeding opening is arranged at the axis position of one side of the pump body, the feeding opening is connected with a feeding hopper 740, the rotating shaft extends through the feeding hopper, a feeding screw 750 is arranged at the part of the rotating shaft in the feeding hopper, and the rotating shaft is connected with a driving motor through a coupling.

Specifically, the screw pitch of the part, close to the feeding port, of the feeding screw is smaller than that of the part, far away from the feeding port, of the feeding screw, the feeding screw comprises a first screw band and a second screw band which are fixedly arranged on the rotating shaft and have the same screwing direction, the screw pitches of the first screw band and the second screw band are equal, one end of the first screw band is positioned in the feeding hopper and is far away from the feeding port, the other end of the first screw band penetrates through the feeding port and is close to the impeller, one end of the second screw band is positioned in the feeding hopper and is close to the feeding port, and the other end of the second screw band penetrates through the feeding port and is close to the; the bottom of the feed hopper is obliquely arranged downwards towards the direction of the feed opening, the edge of the bottom of the first ribbon is arranged close to the bottom of the feed hopper, and the height of the first ribbon is gradually increased along the direction close to the feed opening; the driving motor is fixedly arranged on the base, the driving motor is in driving connection with the rotating shaft through a coupler, and a coupler protective cover is arranged on the base; be equipped with on the base and be used for the installation the bearing frame of pivot, be close to in the pivot the seal receptacle is installed to the bearing frame, one the seal receptacle with the feeder hopper is connected, another the seal receptacle with pump body coupling.

In this embodiment, the condenser 12 includes a horizontally disposed housing 1210, tube plates 1220 are disposed at two ends of the housing, a plurality of horizontally disposed heat exchange tubes 1230 are connected between the two tube plates, one end of the housing is connected with an air inlet tube box 1240, a steam inlet 1250 is disposed at the top of the air inlet tube box, the other end of the housing is connected with an air outlet tube box 1260, a steam condensation outlet 1270 is disposed at the bottom of the air outlet tube box, the heat exchange tubes are communicated with the air inlet tube box and the air outlet tube box, a plurality of gas multi-pass baffle plates 1280 are disposed in the air inlet tube box and the air outlet tube box, a cooling water inlet is disposed at the top of the housing, a cooling water outlet is disposed at the bottom of the housing.

In this embodiment, a plurality of the heat exchange tube divide into a plurality of first heat exchange tubes 1231 and a plurality of second heat exchange tubes 1232, the pipe diameter of first heat exchange tube is greater than the pipe diameter of second heat exchange tube, and is a plurality of first heat exchange tube is located a plurality of second heat exchange tube top.

Specifically, the shell is connected with the air inlet pipe box and the air outlet pipe box through flanges, the shell is connected with the air inlet pipe box and the air outlet pipe box through quick-opening hinges respectively, the shell is provided with a shell pass expansion joint, the air inlet pipe box and the air outlet pipe box are provided with six layers of gas multi-pass baffle plates respectively, and the shell pass water baffle plates are provided with three layers in the shell in a staggered mode.

The above description of the present invention does not limit the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The container type mobile livestock and poultry carcass innocent treatment equipment is characterized by comprising a first container, a second container and a third container which are sequentially arranged in parallel, wherein a pure water unit and a pure water box are arranged at one end, close to one end, in the first container, a crusher is arranged at the other end, and a material conveying pump is arranged at a discharge port of the crusher;

2. The container type mobile livestock and poultry carcass innocent treatment equipment according to claim 1, wherein the crusher comprises a base, a crushing box body is arranged on the base, the crushing box body is provided with two end walls and two side walls, rotating shafts are arranged on the two end walls of the crushing box body in a penetrating manner, rotors are arranged on the parts of the rotating shafts, which are positioned in the crushing box body, stators are arranged on the side walls of the crushing box body, the rotors and the stators are of matched opposite-edge structures, the rotating shafts penetrate through the two ends of the crushing box body and are respectively connected with a bearing seat, the bearing seats are fixedly arranged on the base, a driving motor is arranged on the base, the driving motor is in belt transmission connection with a speed reducer, and the speed reducer is connected with the rotating shafts;

3. The container type mobile livestock and poultry carcass innocent treatment equipment according to claim 2, wherein the rotating shaft is made of Q345R material, the cutter point of the rotor is made of Q235B material, a wear-resistant metal layer is welded at the cutter point of the rotor, and a wear-resistant metal layer is welded on the working surface of the stator.

4. The container type mobile livestock and poultry carcass innocent treatment equipment according to claim 3, wherein two side walls of the crushing box body are detachably arranged on the crushing box body, and a filler is sealed between two end walls of the crushing box body and the rotating shaft.

5. The container type harmless treatment equipment for the carcasses of mobile livestock and poultry as claimed in claim 1, wherein the material delivery pump comprises a base, a horizontally arranged pump body is arranged on the base, an impeller is arranged in the pump body through a rotating shaft, a feeding port is arranged at the axial center position of one side of the pump body, the feeding port is connected with a feeding hopper, the rotating shaft extends through the feeding hopper, a feeding screw is arranged at the part of the rotating shaft positioned in the feeding hopper, and the rotating shaft is connected with a driving motor through a coupling.

6. The container type mobile livestock and poultry carcass innocent treatment device according to claim 5, wherein the screw pitch of the feeding screw close to the feeding port part is smaller than that far away from the feeding port part.

7. The container type mobile livestock and poultry carcass innocent treatment device according to claim 5, wherein the feeding screw comprises a first screw band and a second screw band which are fixedly arranged on the rotating shaft and have the same rotating direction, the screw pitches of the first screw band and the second screw band are equal, one end of the first screw band is positioned in the feeding hopper and is far away from the feeding opening, the other end of the first screw band penetrates through the feeding opening and is close to the impeller, one end of the second screw band is positioned in the feeding hopper and is close to the feeding opening, and the other end of the second screw band penetrates through the feeding opening and is close to the impeller.

8. The container type mobile livestock and poultry carcass innocent treatment device according to claim 7, wherein the bottom of the feed hopper is inclined downwards towards the feeding opening, the bottom edge of the first spiral belt is arranged close to the bottom of the feed hopper, and the height of the first spiral belt is gradually increased along the direction close to the feeding opening.

9. The container type mobile livestock and poultry carcass innocent treatment device according to claim 1, wherein the condenser comprises a horizontally arranged shell, tube plates are arranged at two ends of the shell, a plurality of horizontally arranged heat exchange tubes are connected between the two tube plates, one end of the shell is connected with an air inlet tube box, the top of the air inlet tube box is provided with a steam inlet, the other end of the shell is connected with an air outlet tube box, the bottom of the air outlet tube box is provided with a steam condensation outlet, the heat exchange tubes are communicated with the air inlet tube box and the air outlet tube box, a plurality of gas multi-pass baffle plates are respectively arranged in the air inlet tube box and the air outlet tube box, the top of the shell is provided with a cooling water inlet, the bottom of the shell is provided with a cooling water outlet, and.

10. The container type mobile livestock and poultry carcass innocent treatment equipment according to claim 9, wherein a plurality of heat exchange pipes are divided into a plurality of first heat exchange pipes and a plurality of second heat exchange pipes, the pipe diameter of the first heat exchange pipes is larger than that of the second heat exchange pipes, and the plurality of first heat exchange pipes are positioned above the plurality of second heat exchange pipes.